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kapyar 2003-09-13 20:34:30 +00:00
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AUTHORS Normal file
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Victor Antonovich (avmlink@vlink.ru)

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COPYING Normal file
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* OpenMODBUS/TCP to RS-232/485 MODBUS gateway license *
Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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INSTALL Normal file
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Basic Installation
==================
These are generic installation instructions.
The `configure' shell script attempts to guess correct values for
various system-dependent variables used during compilation. It uses
those values to create a `Makefile' in each directory of the package.
It may also create one or more `.h' files containing system-dependent
definitions. Finally, it creates a shell script `config.status' that
you can run in the future to recreate the current configuration, a file
`config.cache' that saves the results of its tests to speed up
reconfiguring, and a file `config.log' containing compiler output
(useful mainly for debugging `configure').
If you need to do unusual things to compile the package, please try
to figure out how `configure' could check whether to do them, and mail
diffs or instructions to the address given in the `README' so they can
be considered for the next release. If at some point `config.cache'
contains results you don't want to keep, you may remove or edit it.
The file `configure.in' is used to create `configure' by a program
called `autoconf'. You only need `configure.in' if you want to change
it or regenerate `configure' using a newer version of `autoconf'.
The simplest way to compile this package is:
1. `cd' to the directory containing the package's source code and type
`./configure' to configure the package for your system. If you're
using `csh' on an old version of System V, you might need to type
`sh ./configure' instead to prevent `csh' from trying to execute
`configure' itself.
Running `configure' takes awhile. While running, it prints some
messages telling which features it is checking for.
2. Type `make' to compile the package.
3. Optionally, type `make check' to run any self-tests that come with
the package.
4. Type `make install' to install the programs and any data files and
documentation.
5. You can remove the program binaries and object files from the
source code directory by typing `make clean'. To also remove the
files that `configure' created (so you can compile the package for
a different kind of computer), type `make distclean'. There is
also a `make maintainer-clean' target, but that is intended mainly
for the package's developers. If you use it, you may have to get
all sorts of other programs in order to regenerate files that came
with the distribution.
Compilers and Options
=====================
Some systems require unusual options for compilation or linking that
the `configure' script does not know about. You can give `configure'
initial values for variables by setting them in the environment. Using
a Bourne-compatible shell, you can do that on the command line like
this:
CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure
Or on systems that have the `env' program, you can do it like this:
env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure
Compiling For Multiple Architectures
====================================
You can compile the package for more than one kind of computer at the
same time, by placing the object files for each architecture in their
own directory. To do this, you must use a version of `make' that
supports the `VPATH' variable, such as GNU `make'. `cd' to the
directory where you want the object files and executables to go and run
the `configure' script. `configure' automatically checks for the
source code in the directory that `configure' is in and in `..'.
If you have to use a `make' that does not supports the `VPATH'
variable, you have to compile the package for one architecture at a time
in the source code directory. After you have installed the package for
one architecture, use `make distclean' before reconfiguring for another
architecture.
Installation Names
==================
By default, `make install' will install the package's files in
`/usr/local/bin', `/usr/local/man', etc. You can specify an
installation prefix other than `/usr/local' by giving `configure' the
option `--prefix=PATH'.
You can specify separate installation prefixes for
architecture-specific files and architecture-independent files. If you
give `configure' the option `--exec-prefix=PATH', the package will use
PATH as the prefix for installing programs and libraries.
Documentation and other data files will still use the regular prefix.
In addition, if you use an unusual directory layout you can give
options like `--bindir=PATH' to specify different values for particular
kinds of files. Run `configure --help' for a list of the directories
you can set and what kinds of files go in them.
If the package supports it, you can cause programs to be installed
with an extra prefix or suffix on their names by giving `configure' the
option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'.
Optional Features
=================
Some packages pay attention to `--enable-FEATURE' options to
`configure', where FEATURE indicates an optional part of the package.
They may also pay attention to `--with-PACKAGE' options, where PACKAGE
is something like `gnu-as' or `x' (for the X Window System). The
`README' should mention any `--enable-' and `--with-' options that the
package recognizes.
For packages that use the X Window System, `configure' can usually
find the X include and library files automatically, but if it doesn't,
you can use the `configure' options `--x-includes=DIR' and
`--x-libraries=DIR' to specify their locations.
Specifying the System Type
==========================
There may be some features `configure' can not figure out
automatically, but needs to determine by the type of host the package
will run on. Usually `configure' can figure that out, but if it prints
a message saying it can not guess the host type, give it the
`--host=TYPE' option. TYPE can either be a short name for the system
type, such as `sun4', or a canonical name with three fields:
CPU-COMPANY-SYSTEM
See the file `config.sub' for the possible values of each field. If
`config.sub' isn't included in this package, then this package doesn't
need to know the host type.
If you are building compiler tools for cross-compiling, you can also
use the `--target=TYPE' option to select the type of system they will
produce code for and the `--build=TYPE' option to select the type of
system on which you are compiling the package.
Sharing Defaults
================
If you want to set default values for `configure' scripts to share,
you can create a site shell script called `config.site' that gives
default values for variables like `CC', `cache_file', and `prefix'.
`configure' looks for `PREFIX/share/config.site' if it exists, then
`PREFIX/etc/config.site' if it exists. Or, you can set the
`CONFIG_SITE' environment variable to the location of the site script.
A warning: not all `configure' scripts look for a site script.
Operation Controls
==================
`configure' recognizes the following options to control how it
operates.
`--cache-file=FILE'
Use and save the results of the tests in FILE instead of
`./config.cache'. Set FILE to `/dev/null' to disable caching, for
debugging `configure'.
`--help'
Print a summary of the options to `configure', and exit.
`--quiet'
`--silent'
`-q'
Do not print messages saying which checks are being made. To
suppress all normal output, redirect it to `/dev/null' (any error
messages will still be shown).
`--srcdir=DIR'
Look for the package's source code in directory DIR. Usually
`configure' can determine that directory automatically.
`--version'
Print the version of Autoconf used to generate the `configure'
script, and exit.
`configure' also accepts some other, not widely useful, options.

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@ -0,0 +1,24 @@
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OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway

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To do:
* Broadcast MODBUS messaging implementation
* Response receiving by length (currently by timeout)
* SSL secure connection handling

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#undef ENABLE_NLS
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AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])

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echo "Running gettextize... Ignore non-fatal messages."
./setup-gettext
echo "Making $dr/aclocal.m4 writable ..."
test -r $dr/aclocal.m4 && chmod u+w $dr/aclocal.m4
fi
if grep "^AM_PROG_LIBTOOL" configure.in >/dev/null; then
echo "Running libtoolize..."
libtoolize --force --copy
fi
echo "Running aclocal $aclocalinclude ..."
aclocal $aclocalinclude
if grep "^AM_CONFIG_HEADER" configure.in >/dev/null; then
echo "Running autoheader..."
autoheader
fi
echo "Running automake --gnu $am_opt ..."
automake --add-missing --gnu $am_opt
echo "Running autoconf ..."
autoconf
)
fi
done
#conf_flags="--enable-maintainer-mode --enable-compile-warnings" #--enable-iso-c
if test x$NOCONFIGURE = x; then
echo Running $srcdir/configure $conf_flags "$@" ...
$srcdir/configure $conf_flags "$@" \
&& echo Now type \`make\' to compile $PKG_NAME
else
echo Skipping configure process.
fi

34
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# This file is a shell script that caches the results of configure
# tests run on this system so they can be shared between configure
# scripts and configure runs. It is not useful on other systems.
# If it contains results you don't want to keep, you may remove or edit it.
#
# By default, configure uses ./config.cache as the cache file,
# creating it if it does not exist already. You can give configure
# the --cache-file=FILE option to use a different cache file; that is
# what configure does when it calls configure scripts in
# subdirectories, so they share the cache.
# Giving --cache-file=/dev/null disables caching, for debugging configure.
# config.status only pays attention to the cache file if you give it the
# --recheck option to rerun configure.
#
am_cv_CC_dependencies_compiler_type=${am_cv_CC_dependencies_compiler_type=gcc}
ac_cv_prog_cc_works=${ac_cv_prog_cc_works=yes}
ac_cv_prog_cc_g=${ac_cv_prog_cc_g=yes}
ac_cv_lib_cposix_strerror=${ac_cv_lib_cposix_strerror=no}
ac_cv_exeext=${ac_cv_exeext=no}
ac_cv_path_install=${ac_cv_path_install='/usr/bin/install -c'}
ac_cv_prog_gnu_ld=${ac_cv_prog_gnu_ld=yes}
ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB=ranlib}
ac_cv_path_LD=${ac_cv_path_LD=/usr/libexec/elf/ld}
ac_cv_prog_CC=${ac_cv_prog_CC=gcc}
ac_cv_prog_LN_S=${ac_cv_prog_LN_S='ln -s'}
ac_cv_header_stdc=${ac_cv_header_stdc=yes}
ac_cv_prog_make_make_set=${ac_cv_prog_make_make_set=yes}
ac_cv_path_NM=${ac_cv_path_NM='/usr/bin/nm -B'}
ac_cv_prog_gcc=${ac_cv_prog_gcc=yes}
ac_cv_prog_cc_cross=${ac_cv_prog_cc_cross=no}
am_cv_prog_cc_stdc=${am_cv_prog_cc_stdc=}
ac_cv_prog_CPP=${ac_cv_prog_CPP='gcc -E'}
ac_cv_prog_AWK=${ac_cv_prog_AWK=gawk}
ac_cv_lib_util_uu_lock=${ac_cv_lib_util_uu_lock=yes}

1121
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File diff suppressed because it is too large Load Diff

29
config.h Normal file
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@ -0,0 +1,29 @@
/* config.h. Generated automatically by configure. */
/* config.h.in. Generated automatically from configure.in by autoheader. */
/* Define if you have the ANSI C header files. */
#define STDC_HEADERS 1
/* #undef ENABLE_NLS */
/* #undef HAVE_CATGETS */
/* #undef HAVE_GETTEXT */
/* #undef HAVE_LC_MESSAGES */
/* #undef HAVE_STPCPY */
/* #undef HAVE_LIBSM */
/* #undef PACKAGE_LOCALE_DIR */
#define PACKAGE_DOC_DIR "/usr/local/doc/mbusd"
#define PACKAGE_DATA_DIR "/usr/local/share/mbusd"
#define PACKAGE_PIXMAPS_DIR "/usr/local/share/mbusd/pixmaps"
#define PACKAGE_HELP_DIR "/usr/local/share/mbusd/help"
#define PACKAGE_MENU_DIR "/usr/local/share/mbusd"
#define PACKAGE_SOURCE_DIR "/usr/home/avm/work/mbus"
/* Define if you have the util library (-lutil). */
#define HAVE_LIBUTIL 1
/* Name of package */
#define PACKAGE "mbusd"
/* Version number of package */
#define VERSION "0.1.1"

28
config.h.in Normal file
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@ -0,0 +1,28 @@
/* config.h.in. Generated automatically from configure.in by autoheader. */
/* Define if you have the ANSI C header files. */
#undef STDC_HEADERS
#undef ENABLE_NLS
#undef HAVE_CATGETS
#undef HAVE_GETTEXT
#undef HAVE_LC_MESSAGES
#undef HAVE_STPCPY
#undef HAVE_LIBSM
#undef PACKAGE_LOCALE_DIR
#undef PACKAGE_DOC_DIR
#undef PACKAGE_DATA_DIR
#undef PACKAGE_PIXMAPS_DIR
#undef PACKAGE_HELP_DIR
#undef PACKAGE_MENU_DIR
#undef PACKAGE_SOURCE_DIR
/* Define if you have the util library (-lutil). */
#undef HAVE_LIBUTIL
/* Name of package */
#undef PACKAGE
/* Version number of package */
#undef VERSION

67
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@ -0,0 +1,67 @@
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
configure:584: checking for a BSD compatible install
configure:637: checking whether build environment is sane
configure:708: checking for mawk
configure:708: checking for gawk
configure:738: checking whether make sets ${MAKE}
configure:860: checking for strerror in -lcposix
configure:879: cc -o conftest conftest.c -lcposix 1>&5
/usr/libexec/elf/ld: cannot find -lcposix
configure: failed program was:
#line 868 "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char strerror();
int main() {
strerror()
; return 0; }
configure:904: checking for gcc
configure:1017: checking whether the C compiler (gcc ) works
configure:1033: gcc -o conftest conftest.c 1>&5
configure:1059: checking whether the C compiler (gcc ) is a cross-compiler
configure:1064: checking whether we are using GNU C
configure:1073: gcc -E conftest.c
configure:1092: checking whether gcc accepts -g
configure:1131: checking for style of include used by make
configure:1165: checking dependency style of gcc
configure:1235: checking for gcc option to accept ANSI C
configure:1289: gcc -c -g -O2 conftest.c 1>&5
configure:1313: checking how to run the C preprocessor
configure:1334: gcc -E conftest.c >/dev/null 2>conftest.out
configure:1393: checking for ANSI C header files
configure:1406: gcc -E conftest.c >/dev/null 2>conftest.out
configure:1473: gcc -o conftest -g -O2 conftest.c 1>&5
configure:1572: checking host system type
configure:1593: checking build system type
configure:1613: checking for ranlib
configure:1652: checking for ld used by GCC
configure:1714: checking if the linker (/usr/libexec/elf/ld) is GNU ld
GNU ld version 2.12.1 [FreeBSD] 2002-07-20
configure:1730: checking for BSD-compatible nm
configure:1766: checking whether ln -s works
ltconfig:603: checking for object suffix
ltconfig:604: gcc -c -g -O2 conftest.c 1>&5
ltconfig:629: checking for executable suffix
ltconfig:630: gcc -o conftest -g -O2 conftest.c 1>&5
ltconfig:776: checking if gcc PIC flag -fPIC works
ltconfig:777: gcc -c -g -O2 -fPIC -DPIC conftest.c 1>&5
ltconfig:829: checking if gcc supports -c -o file.o
ltconfig:830: gcc -c -g -O2 -o out/conftest2.o conftest.c 1>&5
ltconfig:862: checking if gcc supports -c -o file.lo
ltconfig:863: gcc -c -g -O2 -c -o conftest.lo conftest.c 1>&5
ltconfig:914: checking if gcc supports -fno-rtti -fno-exceptions
ltconfig:915: gcc -c -g -O2 -fno-rtti -fno-exceptions -c conftest.c conftest.c 1>&5
ltconfig:958: checking if gcc static flag -static works
ltconfig:959: gcc -o conftest -g -O2 -static conftest.c 1>&5
GNU ld version 2.12.1 [FreeBSD] 2002-07-20
ltconfig:1635: checking if global_symbol_pipe works
ltconfig:1636: gcc -c -g -O2 conftest.c 1>&5
ltconfig:1639: eval "/usr/bin/nm -B conftest.o | sed -n -e 's/^.*[ ]\([ABCDGISTW]\)[ ][ ]*\(\)\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2\3 \3/p' > conftest.nm"
ltconfig:1691: gcc -o conftest -g -O2 -fno-builtin -fno-rtti -fno-exceptions conftest.c conftstm.o 1>&5
configure:1952: checking for uu_lock in -lutil
configure:1971: gcc -o conftest -g -O2 conftest.c -lutil 1>&5

376
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@ -0,0 +1,376 @@
#! /bin/sh
# Generated automatically by configure.
# Run this file to recreate the current configuration.
# This directory was configured as follows,
# on host stranger:
#
# ./configure
#
# Compiler output produced by configure, useful for debugging
# configure, is in ./config.log if it exists.
ac_cs_usage="Usage: ./config.status [--recheck] [--version] [--help]"
for ac_option
do
case "$ac_option" in
-recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
echo "running ${CONFIG_SHELL-/bin/sh} ./configure --no-create --no-recursion"
exec ${CONFIG_SHELL-/bin/sh} ./configure --no-create --no-recursion ;;
-version | --version | --versio | --versi | --vers | --ver | --ve | --v)
echo "./config.status generated by autoconf version 2.13"
exit 0 ;;
-help | --help | --hel | --he | --h)
echo "$ac_cs_usage"; exit 0 ;;
*) echo "$ac_cs_usage"; exit 1 ;;
esac
done
ac_given_srcdir=.
ac_given_INSTALL="/usr/bin/install -c"
trap 'rm -fr
Makefile
src/Makefile
doc/Makefile
config.h conftest*; exit 1' 1 2 15
# Protect against being on the right side of a sed subst in config.status.
sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\&%]/\\&/g;
s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
/^[ ]*VPATH[ ]*=[^:]*$/d
s%@SHELL@%/bin/sh%g
s%@CFLAGS@%-g -O2%g
s%@CPPFLAGS@%%g
s%@CXXFLAGS@%%g
s%@FFLAGS@%%g
s%@DEFS@%-DHAVE_CONFIG_H%g
s%@LDFLAGS@%%g
s%@LIBS@%-lutil %g
s%@exec_prefix@%${prefix}%g
s%@prefix@%/usr/local%g
s%@program_transform_name@%s,x,x,%g
s%@bindir@%${exec_prefix}/bin%g
s%@sbindir@%${exec_prefix}/sbin%g
s%@libexecdir@%${exec_prefix}/libexec%g
s%@datadir@%${prefix}/share%g
s%@sysconfdir@%${prefix}/etc%g
s%@sharedstatedir@%${prefix}/com%g
s%@localstatedir@%${prefix}/var%g
s%@libdir@%${exec_prefix}/lib%g
s%@includedir@%${prefix}/include%g
s%@oldincludedir@%/usr/include%g
s%@infodir@%${prefix}/info%g
s%@mandir@%${prefix}/man%g
s%@INSTALL_PROGRAM@%${INSTALL}%g
s%@INSTALL_SCRIPT@%${INSTALL_PROGRAM}%g
s%@INSTALL_DATA@%${INSTALL} -m 644%g
s%@PACKAGE@%mbusd%g
s%@VERSION@%0.1.1%g
s%@EXEEXT@%%g
s%@OBJEXT@%o%g
s%@ACLOCAL@%${SHELL} /usr/home/avm/work/mbus/missing --run aclocal%g
s%@AUTOCONF@%${SHELL} /usr/home/avm/work/mbus/missing --run autoconf%g
s%@AUTOMAKE@%${SHELL} /usr/home/avm/work/mbus/missing --run automake%g
s%@AUTOHEADER@%${SHELL} /usr/home/avm/work/mbus/missing --run autoheader%g
s%@MAKEINFO@%${SHELL} /usr/home/avm/work/mbus/missing --run makeinfo%g
s%@AMTAR@%${SHELL} /usr/home/avm/work/mbus/missing --run tar%g
s%@install_sh@%/usr/home/avm/work/mbus/install-sh%g
s%@INSTALL_STRIP_PROGRAM@%${SHELL} $(install_sh) -c -s%g
s%@AWK@%gawk%g
s%@SET_MAKE@%%g
s%@AMDEP_TRUE@%%g
s%@AMDEP_FALSE@%#%g
s%@AMDEPBACKSLASH@%\%g
s%@DEPDIR@%.deps%g
s%@CC@%gcc%g
s%@am__include@%include%g
s%@am__quote@%%g
s%@CCDEPMODE@%depmode=gcc%g
s%@CPP@%gcc -E%g
s%@host@%i386-unknown-freebsdelf4.8%g
s%@host_alias@%i386-unknown-freebsdelf4.8%g
s%@host_cpu@%i386%g
s%@host_vendor@%unknown%g
s%@host_os@%freebsdelf4.8%g
s%@build@%i386-unknown-freebsdelf4.8%g
s%@build_alias@%i386-unknown-freebsdelf4.8%g
s%@build_cpu@%i386%g
s%@build_vendor@%unknown%g
s%@build_os@%freebsdelf4.8%g
s%@RANLIB@%ranlib%g
s%@LN_S@%ln -s%g
s%@LIBTOOL@%$(SHELL) $(top_builddir)/libtool%g
s%@NO_PREFIX_PACKAGE_DATA_DIR@%share/mbusd%g
s%@PACKAGE_DATA_DIR@%/usr/local/share/mbusd%g
s%@NO_PREFIX_PACKAGE_DOC_DIR@%doc/mbusd%g
s%@PACKAGE_DOC_DIR@%/usr/local/doc/mbusd%g
s%@NO_PREFIX_PACKAGE_PIXMAPS_DIR@%share/mbusd/pixmaps%g
s%@PACKAGE_PIXMAPS_DIR@%/usr/local/share/mbusd/pixmaps%g
s%@NO_PREFIX_PACKAGE_HELP_DIR@%share/mbusd/help%g
s%@PACKAGE_HELP_DIR@%/usr/local/share/mbusd/help%g
s%@NO_PREFIX_PACKAGE_MENU_DIR@%share/mbusd%g
s%@PACKAGE_MENU_DIR@%/usr/local/share/mbusd%g
CEOF
# Split the substitutions into bite-sized pieces for seds with
# small command number limits, like on Digital OSF/1 and HP-UX.
ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
ac_file=1 # Number of current file.
ac_beg=1 # First line for current file.
ac_end=$ac_max_sed_cmds # Line after last line for current file.
ac_more_lines=:
ac_sed_cmds=""
while $ac_more_lines; do
if test $ac_beg -gt 1; then
sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
else
sed "${ac_end}q" conftest.subs > conftest.s$ac_file
fi
if test ! -s conftest.s$ac_file; then
ac_more_lines=false
rm -f conftest.s$ac_file
else
if test -z "$ac_sed_cmds"; then
ac_sed_cmds="sed -f conftest.s$ac_file"
else
ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
fi
ac_file=`expr $ac_file + 1`
ac_beg=$ac_end
ac_end=`expr $ac_end + $ac_max_sed_cmds`
fi
done
if test -z "$ac_sed_cmds"; then
ac_sed_cmds=cat
fi
CONFIG_FILES=${CONFIG_FILES-"Makefile
src/Makefile
doc/Makefile
"}
for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
# Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
# A "../" for each directory in $ac_dir_suffix.
ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
else
ac_dir_suffix= ac_dots=
fi
case "$ac_given_srcdir" in
.) srcdir=.
if test -z "$ac_dots"; then top_srcdir=.
else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
/*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
*) # Relative path.
srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
top_srcdir="$ac_dots$ac_given_srcdir" ;;
esac
case "$ac_given_INSTALL" in
[/$]*) INSTALL="$ac_given_INSTALL" ;;
*) INSTALL="$ac_dots$ac_given_INSTALL" ;;
esac
echo creating "$ac_file"
rm -f "$ac_file"
configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
case "$ac_file" in
*Makefile*) ac_comsub="1i\\
# $configure_input" ;;
*) ac_comsub= ;;
esac
ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
sed -e "$ac_comsub
s%@configure_input@%$configure_input%g
s%@srcdir@%$srcdir%g
s%@top_srcdir@%$top_srcdir%g
s%@INSTALL@%$INSTALL%g
" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
fi; done
rm -f conftest.s*
# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
# NAME is the cpp macro being defined and VALUE is the value it is being given.
#
# ac_d sets the value in "#define NAME VALUE" lines.
ac_dA='s%^\([ ]*\)#\([ ]*define[ ][ ]*\)'
ac_dB='\([ ][ ]*\)[^ ]*%\1#\2'
ac_dC='\3'
ac_dD='%g'
# ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
ac_uA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_uB='\([ ]\)%\1#\2define\3'
ac_uC=' '
ac_uD='\4%g'
# ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
ac_eA='s%^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
ac_eB='$%\1#\2define\3'
ac_eC=' '
ac_eD='%g'
if test "${CONFIG_HEADERS+set}" != set; then
CONFIG_HEADERS="config.h"
fi
for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
# Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
case "$ac_file" in
*:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
*) ac_file_in="${ac_file}.in" ;;
esac
echo creating $ac_file
rm -f conftest.frag conftest.in conftest.out
ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
cat $ac_file_inputs > conftest.in
cat > conftest.frag <<CEOF
${ac_dA}PACKAGE${ac_dB}PACKAGE${ac_dC}"mbusd"${ac_dD}
${ac_uA}PACKAGE${ac_uB}PACKAGE${ac_uC}"mbusd"${ac_uD}
${ac_eA}PACKAGE${ac_eB}PACKAGE${ac_eC}"mbusd"${ac_eD}
${ac_dA}VERSION${ac_dB}VERSION${ac_dC}"0.1.1"${ac_dD}
${ac_uA}VERSION${ac_uB}VERSION${ac_uC}"0.1.1"${ac_uD}
${ac_eA}VERSION${ac_eB}VERSION${ac_eC}"0.1.1"${ac_eD}
${ac_dA}STDC_HEADERS${ac_dB}STDC_HEADERS${ac_dC}1${ac_dD}
${ac_uA}STDC_HEADERS${ac_uB}STDC_HEADERS${ac_uC}1${ac_uD}
${ac_eA}STDC_HEADERS${ac_eB}STDC_HEADERS${ac_eC}1${ac_eD}
${ac_dA}HAVE_LIBUTIL${ac_dB}HAVE_LIBUTIL${ac_dC}1${ac_dD}
${ac_uA}HAVE_LIBUTIL${ac_uB}HAVE_LIBUTIL${ac_uC}1${ac_uD}
${ac_eA}HAVE_LIBUTIL${ac_eB}HAVE_LIBUTIL${ac_eC}1${ac_eD}
CEOF
sed -f conftest.frag conftest.in > conftest.out
rm -f conftest.in
mv conftest.out conftest.in
cat > conftest.frag <<CEOF
${ac_dA}PACKAGE_DATA_DIR${ac_dB}PACKAGE_DATA_DIR${ac_dC}"/usr/local/share/mbusd"${ac_dD}
${ac_uA}PACKAGE_DATA_DIR${ac_uB}PACKAGE_DATA_DIR${ac_uC}"/usr/local/share/mbusd"${ac_uD}
${ac_eA}PACKAGE_DATA_DIR${ac_eB}PACKAGE_DATA_DIR${ac_eC}"/usr/local/share/mbusd"${ac_eD}
${ac_dA}PACKAGE_DOC_DIR${ac_dB}PACKAGE_DOC_DIR${ac_dC}"/usr/local/doc/mbusd"${ac_dD}
${ac_uA}PACKAGE_DOC_DIR${ac_uB}PACKAGE_DOC_DIR${ac_uC}"/usr/local/doc/mbusd"${ac_uD}
${ac_eA}PACKAGE_DOC_DIR${ac_eB}PACKAGE_DOC_DIR${ac_eC}"/usr/local/doc/mbusd"${ac_eD}
${ac_dA}PACKAGE_PIXMAPS_DIR${ac_dB}PACKAGE_PIXMAPS_DIR${ac_dC}"/usr/local/share/mbusd/pixmaps"${ac_dD}
${ac_uA}PACKAGE_PIXMAPS_DIR${ac_uB}PACKAGE_PIXMAPS_DIR${ac_uC}"/usr/local/share/mbusd/pixmaps"${ac_uD}
${ac_eA}PACKAGE_PIXMAPS_DIR${ac_eB}PACKAGE_PIXMAPS_DIR${ac_eC}"/usr/local/share/mbusd/pixmaps"${ac_eD}
${ac_dA}PACKAGE_HELP_DIR${ac_dB}PACKAGE_HELP_DIR${ac_dC}"/usr/local/share/mbusd/help"${ac_dD}
${ac_uA}PACKAGE_HELP_DIR${ac_uB}PACKAGE_HELP_DIR${ac_uC}"/usr/local/share/mbusd/help"${ac_uD}
${ac_eA}PACKAGE_HELP_DIR${ac_eB}PACKAGE_HELP_DIR${ac_eC}"/usr/local/share/mbusd/help"${ac_eD}
CEOF
sed -f conftest.frag conftest.in > conftest.out
rm -f conftest.in
mv conftest.out conftest.in
cat > conftest.frag <<CEOF
${ac_dA}PACKAGE_MENU_DIR${ac_dB}PACKAGE_MENU_DIR${ac_dC}"/usr/local/share/mbusd"${ac_dD}
${ac_uA}PACKAGE_MENU_DIR${ac_uB}PACKAGE_MENU_DIR${ac_uC}"/usr/local/share/mbusd"${ac_uD}
${ac_eA}PACKAGE_MENU_DIR${ac_eB}PACKAGE_MENU_DIR${ac_eC}"/usr/local/share/mbusd"${ac_eD}
${ac_dA}PACKAGE_SOURCE_DIR${ac_dB}PACKAGE_SOURCE_DIR${ac_dC}"/usr/home/avm/work/mbus"${ac_dD}
${ac_uA}PACKAGE_SOURCE_DIR${ac_uB}PACKAGE_SOURCE_DIR${ac_uC}"/usr/home/avm/work/mbus"${ac_uD}
${ac_eA}PACKAGE_SOURCE_DIR${ac_eB}PACKAGE_SOURCE_DIR${ac_eC}"/usr/home/avm/work/mbus"${ac_eD}
s%^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
CEOF
sed -f conftest.frag conftest.in > conftest.out
rm -f conftest.in
mv conftest.out conftest.in
rm -f conftest.frag conftest.h
echo "/* $ac_file. Generated automatically by configure. */" > conftest.h
cat conftest.in >> conftest.h
rm -f conftest.in
if cmp -s $ac_file conftest.h 2>/dev/null; then
echo "$ac_file is unchanged"
rm -f conftest.h
else
# Remove last slash and all that follows it. Not all systems have dirname.
ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
# The file is in a subdirectory.
test ! -d "$ac_dir" && mkdir "$ac_dir"
fi
rm -f $ac_file
mv conftest.h $ac_file
fi
fi; done
am_indx=1
for am_file in config.h; do
case " $CONFIG_HEADERS " in
*" $am_file "*)
am_dir=`echo $am_file |sed 's%:.*%%;s%[^/]*$%%'`
if test -n "$am_dir"; then
am_tmpdir=`echo $am_dir |sed 's%^\(/*\).*$%\1%'`
for am_subdir in `echo $am_dir |sed 's%/% %'`; do
am_tmpdir=$am_tmpdir$am_subdir/
if test ! -d $am_tmpdir; then
mkdir $am_tmpdir
fi
done
fi
echo timestamp > "$am_dir"stamp-h$am_indx
;;
esac
am_indx=`expr $am_indx + 1`
done
AMDEP_TRUE=""
ac_aux_dir="."
test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
test x"$AMDEP_TRUE" != x"" ||
for mf in $CONFIG_FILES; do
case "$mf" in
Makefile) dirpart=.;;
*/Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;;
*) continue;;
esac
grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue
# Extract the definition of DEP_FILES from the Makefile without
# running `make'.
DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
test -z "$DEPDIR" && continue
# When using ansi2knr, U may be empty or an underscore; expand it
U=`sed -n -e '/^U = / s///p' < "$mf"`
test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
# We invoke sed twice because it is the simplest approach to
# changing $(DEPDIR) to its actual value in the expansion.
for file in `sed -n -e '
/^DEP_FILES = .*\\\\$/ {
s/^DEP_FILES = //
:loop
s/\\\\$//
p
n
/\\\\$/ b loop
p
}
/^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`echo "$file" | sed -e 's|/[^/]*$||'`
$ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
exit 0

1232
config.sub vendored Executable file
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2533
configure vendored Executable file
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83
configure.in Normal file
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(configure.in)
AM_INIT_AUTOMAKE(mbusd, 0.1.1)
AM_CONFIG_HEADER(config.h)
AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC
AM_PROG_LIBTOOL
dnl Checks for programs.
dnl Checks for libraries.
dnl Checks for header files.
dnl Checks for typedefs, structures, and compiler characteristics.
dnl Checks for library functions.
AC_CHECK_LIB(util, uu_lock, ,
AC_MSG_WARN("Function uu_lock\(\) is not found in libutil. UUCP locking switched off!"))
dnl Checks for Additional stuffs.
dnl Set PACKAGE SOURCE DIR in config.h.
packagesrcdir=`cd $srcdir && pwd`
dnl Set PACKAGE PREFIX
if test "x${prefix}" = "xNONE"; then
packageprefix=${ac_default_prefix}
else
packageprefix=${prefix}
fi
dnl Set PACKAGE DATA & DOC DIR
packagedatadir=share/${PACKAGE}
packagedocdir=doc/${PACKAGE}
dnl Set PACKAGE DIRS in config.h.
packagepixmapsdir=${packagedatadir}/pixmaps
packagehelpdir=${packagedatadir}/help
packagemenudir=${packagedatadir}
dnl Subst PACKAGE_DATA_DIR.
NO_PREFIX_PACKAGE_DATA_DIR="${packagedatadir}"
AC_SUBST(NO_PREFIX_PACKAGE_DATA_DIR)
PACKAGE_DATA_DIR="${packageprefix}/${packagedatadir}"
AC_SUBST(PACKAGE_DATA_DIR)
dnl Subst PACKAGE_DOC_DIR.
NO_PREFIX_PACKAGE_DOC_DIR="${packagedocdir}"
AC_SUBST(NO_PREFIX_PACKAGE_DOC_DIR)
PACKAGE_DOC_DIR="${packageprefix}/${packagedocdir}"
AC_SUBST(PACKAGE_DOC_DIR)
dnl Subst PACKAGE_PIXMAPS_DIR.
NO_PREFIX_PACKAGE_PIXMAPS_DIR="${packagepixmapsdir}"
AC_SUBST(NO_PREFIX_PACKAGE_PIXMAPS_DIR)
PACKAGE_PIXMAPS_DIR="${packageprefix}/${packagepixmapsdir}"
AC_SUBST(PACKAGE_PIXMAPS_DIR)
dnl Subst PACKAGE_HELP_DIR.
NO_PREFIX_PACKAGE_HELP_DIR="${packagehelpdir}"
AC_SUBST(NO_PREFIX_PACKAGE_HELP_DIR)
PACKAGE_HELP_DIR="${packageprefix}/${packagehelpdir}"
AC_SUBST(PACKAGE_HELP_DIR)
dnl Subst PACKAGE_MENU_DIR.
NO_PREFIX_PACKAGE_MENU_DIR="${packagemenudir}"
AC_SUBST(NO_PREFIX_PACKAGE_MENU_DIR)
PACKAGE_MENU_DIR="${packageprefix}/${packagemenudir}"
AC_SUBST(PACKAGE_MENU_DIR)
AC_DEFINE_UNQUOTED(PACKAGE_DATA_DIR, "${packageprefix}/${packagedatadir}")
AC_DEFINE_UNQUOTED(PACKAGE_DOC_DIR, "${packageprefix}/${packagedocdir}")
AC_DEFINE_UNQUOTED(PACKAGE_PIXMAPS_DIR, "${packageprefix}/${packagepixmapsdir}")
AC_DEFINE_UNQUOTED(PACKAGE_HELP_DIR, "${packageprefix}/${packagehelpdir}")
AC_DEFINE_UNQUOTED(PACKAGE_MENU_DIR, "${packageprefix}/${packagemenudir}")
AC_DEFINE_UNQUOTED(PACKAGE_SOURCE_DIR, "${packagesrcdir}")
AC_OUTPUT([
Makefile
src/Makefile
doc/Makefile
])

411
depcomp Executable file
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@ -0,0 +1,411 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
# Copyright 1999, 2000 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
if test -z "$depmode" || test -z "$source" || test -z "$object"; then
echo "depcomp: Variables source, object and depmode must be set" 1>&2
exit 1
fi
# `libtool' can also be set to `yes' or `no'.
depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`}
tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
# Some modes work just like other modes, but use different flags. We
# parameterize here, but still list the modes in the big case below,
# to make depend.m4 easier to write. Note that we *cannot* use a case
# here, because this file can only contain one case statement.
if test "$depmode" = hp; then
# HP compiler uses -M and no extra arg.
gccflag=-M
depmode=gcc
fi
if test "$depmode" = dashXmstdout; then
# This is just like dashmstdout with a different argument.
dashmflag=-xM
depmode=dashmstdout
fi
case "$depmode" in
gcc3)
## gcc 3 implements dependency tracking that does exactly what
## we want. Yay! Note: for some reason libtool 1.4 doesn't like
## it if -MD -MP comes after the -MF stuff. Hmm.
"$@" -MT "$object" -MD -MP -MF "$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
mv "$tmpdepfile" "$depfile"
;;
gcc)
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
gccflag=-MD,
fi
"$@" -Wp,"$gccflag$tmpdepfile"
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
## The second -e expression handles DOS-style file names with drive letters.
sed -e 's/^[^:]*: / /' \
-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
## This next piece of magic avoids the `deleted header file' problem.
## The problem is that when a header file which appears in a .P file
## is deleted, the dependency causes make to die (because there is
## typically no way to rebuild the header). We avoid this by adding
## dummy dependencies for each header file. Too bad gcc doesn't do
## this for us directly.
tr ' ' '
' < "$tmpdepfile" |
## Some versions of gcc put a space before the `:'. On the theory
## that the space means something, we add a space to the output as
## well.
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
hp)
# This case exists only to let depend.m4 do its work. It works by
# looking at the text of this script. This case will never be run,
# since it is checked for above.
exit 1
;;
sgi)
if test "$libtool" = yes; then
"$@" "-Wp,-MDupdate,$tmpdepfile"
else
"$@" -MDupdate "$tmpdepfile"
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
rm -f "$depfile"
if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files
echo "$object : \\" > "$depfile"
# Clip off the initial element (the dependent). Don't try to be
# clever and replace this with sed code, as IRIX sed won't handle
# lines with more than a fixed number of characters (4096 in
# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines;
# the IRIX cc adds comments like `#:fec' to the end of the
# dependency line.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
tr '
' ' ' >> $depfile
echo >> $depfile
# The second pass generates a dummy entry for each header file.
tr ' ' '
' < "$tmpdepfile" \
| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
>> $depfile
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
aix)
# The C for AIX Compiler uses -M and outputs the dependencies
# in a .u file. This file always lives in the current directory.
# Also, the AIX compiler puts `$object:' at the start of each line;
# $object doesn't have directory information.
stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
tmpdepfile="$stripped.u"
outname="$stripped.o"
if test "$libtool" = yes; then
"$@" -Wc,-M
else
"$@" -M
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile"
exit $stat
fi
if test -f "$tmpdepfile"; then
# Each line is of the form `foo.o: dependent.h'.
# Do two passes, one to just change these to
# `$object: dependent.h' and one to simply `dependent.h:'.
sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
else
# The sourcefile does not contain any dependencies, so just
# store a dummy comment line, to avoid errors with the Makefile
# "include basename.Plo" scheme.
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
tru64)
# The Tru64 AIX compiler uses -MD to generate dependencies as a side
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
# dependencies in `foo.d' instead, so we check for that too.
# Subdirectories are respected.
tmpdepfile1="$object.d"
tmpdepfile2=`echo "$object" | sed -e 's/.o$/.d/'`
if test "$libtool" = yes; then
"$@" -Wc,-MD
else
"$@" -MD
fi
stat=$?
if test $stat -eq 0; then :
else
rm -f "$tmpdepfile1" "$tmpdepfile2"
exit $stat
fi
if test -f "$tmpdepfile1"; then
tmpdepfile="$tmpdepfile1"
else
tmpdepfile="$tmpdepfile2"
fi
if test -f "$tmpdepfile"; then
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
# That's a space and a tab in the [].
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
else
echo "#dummy" > "$depfile"
fi
rm -f "$tmpdepfile"
;;
#nosideeffect)
# This comment above is used by automake to tell side-effect
# dependency tracking mechanisms from slower ones.
dashmstdout)
# Important note: in order to support this mode, a compiler *must*
# always write the proprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
test -z "$dashmflag" && dashmflag=-M
( IFS=" "
case " $* " in
*" --mode=compile "*) # this is libtool, let us make it quiet
for arg
do # cycle over the arguments
case "$arg" in
"--mode=compile")
# insert --quiet before "--mode=compile"
set fnord "$@" --quiet
shift # fnord
;;
esac
set fnord "$@" "$arg"
shift # fnord
shift # "$arg"
done
;;
esac
"$@" $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
) &
proc=$!
"$@"
stat=$?
wait "$proc"
if test "$stat" != 0; then exit $stat; fi
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tr ' ' '
' < "$tmpdepfile" | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
dashXmstdout)
# This case only exists to satisfy depend.m4. It is never actually
# run, as this mode is specially recognized in the preamble.
exit 1
;;
makedepend)
# X makedepend
(
shift
cleared=no
for arg in "$@"; do
case $cleared in no)
set ""; shift
cleared=yes
esac
case "$arg" in
-D*|-I*)
set fnord "$@" "$arg"; shift;;
-*)
;;
*)
set fnord "$@" "$arg"; shift;;
esac
done
obj_suffix="`echo $object | sed 's/^.*\././'`"
touch "$tmpdepfile"
${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@"
) &
proc=$!
"$@"
stat=$?
wait "$proc"
if test "$stat" != 0; then exit $stat; fi
rm -f "$depfile"
cat < "$tmpdepfile" > "$depfile"
tail +3 "$tmpdepfile" | tr ' ' '
' | \
## Some versions of the HPUX 10.20 sed can't process this invocation
## correctly. Breaking it into two sed invocations is a workaround.
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
rm -f "$tmpdepfile" "$tmpdepfile".bak
;;
cpp)
# Important note: in order to support this mode, a compiler *must*
# always write the proprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
( IFS=" "
case " $* " in
*" --mode=compile "*)
for arg
do # cycle over the arguments
case $arg in
"--mode=compile")
# insert --quiet before "--mode=compile"
set fnord "$@" --quiet
shift # fnord
;;
esac
set fnord "$@" "$arg"
shift # fnord
shift # "$arg"
done
;;
esac
"$@" -E |
sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
sed '$ s: \\$::' > "$tmpdepfile"
) &
proc=$!
"$@"
stat=$?
wait "$proc"
if test "$stat" != 0; then exit $stat; fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
cat < "$tmpdepfile" >> "$depfile"
sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile"
rm -f "$tmpdepfile"
;;
msvisualcpp)
# Important note: in order to support this mode, a compiler *must*
# always write the proprocessed file to stdout, regardless of -o,
# because we must use -o when running libtool.
( IFS=" "
case " $* " in
*" --mode=compile "*)
for arg
do # cycle over the arguments
case $arg in
"--mode=compile")
# insert --quiet before "--mode=compile"
set fnord "$@" --quiet
shift # fnord
;;
esac
set fnord "$@" "$arg"
shift # fnord
shift # "$arg"
done
;;
esac
"$@" -E |
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
) &
proc=$!
"$@"
stat=$?
wait "$proc"
if test "$stat" != 0; then exit $stat; fi
rm -f "$depfile"
echo "$object : \\" > "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
echo " " >> "$depfile"
. "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
rm -f "$tmpdepfile"
;;
none)
exec "$@"
;;
*)
echo "Unknown depmode $depmode" 1>&2
exit 1
;;
esac
exit 0

263
doc/Makefile Normal file
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@ -0,0 +1,263 @@
# Generated automatically from Makefile.in by configure.
# Makefile.in generated automatically by automake 1.5 from Makefile.am.
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
# Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
SHELL = /bin/sh
srcdir = .
top_srcdir = ..
prefix = /usr/local
exec_prefix = ${prefix}
bindir = ${exec_prefix}/bin
sbindir = ${exec_prefix}/sbin
libexecdir = ${exec_prefix}/libexec
datadir = ${prefix}/share
sysconfdir = ${prefix}/etc
sharedstatedir = ${prefix}/com
localstatedir = ${prefix}/var
libdir = ${exec_prefix}/lib
infodir = ${prefix}/info
mandir = ${prefix}/man
includedir = ${prefix}/include
oldincludedir = /usr/include
pkgdatadir = $(datadir)/mbusd
pkglibdir = $(libdir)/mbusd
pkgincludedir = $(includedir)/mbusd
top_builddir = ..
ACLOCAL = ${SHELL} /usr/home/avm/work/mbus/missing --run aclocal
AUTOCONF = ${SHELL} /usr/home/avm/work/mbus/missing --run autoconf
AUTOMAKE = ${SHELL} /usr/home/avm/work/mbus/missing --run automake
AUTOHEADER = ${SHELL} /usr/home/avm/work/mbus/missing --run autoheader
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
INSTALL_SCRIPT = ${INSTALL_PROGRAM}
INSTALL_HEADER = $(INSTALL_DATA)
transform = s,x,x,
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
host_alias = i386-unknown-freebsdelf4.8
host_triplet = i386-unknown-freebsdelf4.8
AMTAR = ${SHELL} /usr/home/avm/work/mbus/missing --run tar
AS = @AS@
AWK = gawk
CC = gcc
DEPDIR = .deps
DLLTOOL = @DLLTOOL@
EXEEXT =
INSTALL_STRIP_PROGRAM = ${SHELL} $(install_sh) -c -s
LIBTOOL = $(SHELL) $(top_builddir)/libtool
LN_S = ln -s
NO_PREFIX_PACKAGE_DATA_DIR = share/mbusd
NO_PREFIX_PACKAGE_DOC_DIR = doc/mbusd
NO_PREFIX_PACKAGE_HELP_DIR = share/mbusd/help
NO_PREFIX_PACKAGE_MENU_DIR = share/mbusd
NO_PREFIX_PACKAGE_PIXMAPS_DIR = share/mbusd/pixmaps
OBJDUMP = @OBJDUMP@
OBJEXT = o
PACKAGE = mbusd
PACKAGE_DATA_DIR = /usr/local/share/mbusd
PACKAGE_DOC_DIR = /usr/local/doc/mbusd
PACKAGE_HELP_DIR = /usr/local/share/mbusd/help
PACKAGE_MENU_DIR = /usr/local/share/mbusd
PACKAGE_PIXMAPS_DIR = /usr/local/share/mbusd/pixmaps
RANLIB = ranlib
VERSION = 0.1.1
am__include = include
am__quote =
install_sh = /usr/home/avm/work/mbus/install-sh
man_MANS = mbusd.8
subdir = doc
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
CONFIG_HEADER = $(top_builddir)/config.h
CONFIG_CLEAN_FILES =
DIST_SOURCES =
NROFF = nroff
MANS = $(man_MANS)
DIST_COMMON = Makefile.am Makefile.in
all: all-am
.SUFFIXES:
mostlyclean-libtool:
-rm -f *.lo
clean-libtool:
-rm -rf .libs _libs
distclean-libtool:
-rm -f libtool
$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
cd $(top_srcdir) && \
$(AUTOMAKE) --gnu doc/Makefile
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
cd $(top_builddir) && \
CONFIG_HEADERS= CONFIG_LINKS= \
CONFIG_FILES=$(subdir)/$@ $(SHELL) ./config.status
uninstall-info-am:
man8dir = $(mandir)/man8
install-man8: $(man8_MANS) $(man_MANS)
@$(NORMAL_INSTALL)
$(mkinstalldirs) $(DESTDIR)$(man8dir)
@list='$(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS)'; \
l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
for i in $$l2; do \
case "$$i" in \
*.8*) list="$$list $$i" ;; \
esac; \
done; \
for i in $$list; do \
if test -f $(srcdir)/$$i; then file=$(srcdir)/$$i; \
else file=$$i; fi; \
ext=`echo $$i | sed -e 's/^.*\\.//'`; \
inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
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## Process this file with automake to produce Makefile.in
man_MANS = mbusd.8

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.TH "mbusd" 8 "13 September 2003" "mbusd 0.1.1"
.SH NAME
mbusd \- OpenMODBUS/TCP to MODBUS RTU gateway server
.SH SYNOPSIS
.B mbusd
.RB [ -h ]
.RB [ -d ]
.RB [ -v
.IR level ]
.RB [ -L
.IR name ]
.RB [ -p
.IR name ]
.RB [ -s
.IR value ]
.RB [ -P
.IR number ]
.RB [ -C
.IR number ]
.RB [ -N
.IR number ]
.RB [ -R
.IR value ]
.RB [ -W
.IR value ]
.RB [ -T
.IR value ]
.SH DESCRIPTION
\fImbusd\fR is OpenMODBUS/TCP to MODBUS RTU gateway server.
.SH OPTIONS
.IP \fB-h\fR
Usage help.
.IP \fB-d\fR
Instruct \fImbusd\fR not to fork itself (non-daemonize).
.IP "\fB-v \fIlevel\fR"
Specifies log verbosity level. 0 enables logging of errors only,
1 also enables warnings and 2 enables information messages.
If \fImbusd\fR was compiled in debug mode, valid log levels is up to 9,
where log levels above 2 forces logging of information about additional
internal events.
.IP "\fB-L \fIname\fR"
Specifies log file name.
.IP "\fB-p \fIname\fR"
Specifies serial port device name.
.IP "\fB-s \fIvalue\fR"
Specifies serial port speed.
.IP "\fB-P \fInumber\fR"
Specifies TCP port number.
.IP "\fB-C \fInumber\fR"
Specifies maximum number of simultaneous connections.
.IP "\fB-N \fInumber\fR"
Specifies maximum number of request retries. 0 - no retries.
.IP "\fB-R \fIvalue\fR"
Specifies pause between requests in miliseconds.
.IP "\fB-W \fIvalue\fR"
Specifies response wait time in miliseconds.
.IP "\fB-T \fIvalue\fR"
Specifies connection timeout value in seconds. 0 - no timeout.
.SH NOTES
Because MODBUS RTU protocol have situations which can't straightforwardly
translated into MODBUS/TCP protocol entities, \fImbusd\fR extends standard excepton codes set.
In case of situation when \fImbusd\fR received response with invalid CRC and can't correct
error by re-request, it returns MODBUS/TCP packet with exception code 128. In case of situation
when \fImbusd\fR can't receive response from MODBUS RTU device (e.g. addressed controller
is not present on the network), it returns MODBUS/TCP packet with exception code 129.
.SH FILES
.PP
The default locations of the \fImbusd\fR log file is:
.PP
/var/log/mbusd.log
.SH BUGS
Broadcast messaging on MODBUS network isn't supported.
Please send bug reports to author.
.SH AUTHOR
Victor Antonovich <avmlink@vlink.ru>.
.SH LICENSE
This program is distributed under the BSD-like license, included in
each source file. See also COPYING file in the installation directory.

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#!/bin/sh
#
# install - install a program, script, or datafile
# This comes from X11R5 (mit/util/scripts/install.sh).
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# Copyright 1991 by the Massachusetts Institute of Technology
#
# Permission to use, copy, modify, distribute, and sell this software and its
# documentation for any purpose is hereby granted without fee, provided that
# the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation, and that the name of M.I.T. not be used in advertising or
# publicity pertaining to distribution of the software without specific,
# written prior permission. M.I.T. makes no representations about the
# suitability of this software for any purpose. It is provided "as is"
# without express or implied warranty.
#
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#
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$doit $rmcmd -f $dstdir/$dstfile &&
$doit $mvcmd $dsttmp $dstdir/$dstfile
fi &&
exit 0

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# Anjuta Version 1.0.1
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project.config.extra.modules.before=
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project.config.disable.overwriting=0 0 0 0 0 0 0 0 0
project.menu.entry=mbusd Version 0.1
project.menu.group=Applications
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log.c\
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queue.h\
modbus.c\
modbus.h\
crc16.c\
crc16.h\
state.c\
state.h\
sig.h\
sig.c\
sock.h\
sock.c
module.pixmap.name=pixmaps
module.pixmap.type=
module.pixmap.expanded=0
module.pixmap.files=
module.data.name=data
module.data.type=
module.data.expanded=0
module.data.files=
module.help.name=help
module.help.type=
module.help.expanded=0
module.help.files=
module.doc.name=doc
module.doc.type=
module.doc.expanded=0
module.doc.files=
module.po.expanded=0
module.po.files=
compiler.options.supports=
compiler.options.include.paths=
compiler.options.library.paths=
compiler.options.libraries=\
util
compiler.options.libraries.selected=1
compiler.options.defines=
compiler.options.warning.buttons=0 0 1 1 1 1 1 1 1 1 1 0 1 1 0 1
compiler.options.optimize.buttons=0 1 0 0
compiler.options.other.buttons=0 0
compiler.options.other.c.flags=-W -pedantic
compiler.options.other.l.flags=
compiler.options.other.l.libs=
project.source.paths=

75
mbus.pws Normal file
View File

@ -0,0 +1,75 @@
[filenumbers]
0=46
1=162
2=26
3=17
4=61
5=101
6=53
7=45
8=68
9=397
10=55
11=32
12=27
13=45
14=49
15=36
16=56
17=88
18=1
19=128
20=25
21=138
22=32
23=48
[filemarkers]
0=
1=
2=
3=
4=
5=
6=
7=
8=
9=321,
10=
11=
12=
13=
14=
15=
16=
17=
18=
19=
20=
21=
22=
23=
[executer]
RunInTerminal=true
[Project DBase]
ShowLocals=true
[find_text]
0=log
1=MODBUS
2=DEBUG
3=read(
4=write(
5=log_
6=FD_SET
7=CONN_RQST
[find_in_files]
0=#elif
1=DEBUG
2=Modbus
3=modbus
4=TRY

32
mbusd.pws Normal file
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@ -0,0 +1,32 @@
[executer]
RunInTerminal=true
[Project DBase]
ShowLocals=true
[filenumbers]
0=143
1=143
2=1
3=217
4=1
[filemarkers]
0=
1=
2=
3=
4=
[filelist]
0=/usr/home/avm/work/mbus/src/sock.c
1=/usr/home/avm/work/mbus/src/tty.c
2=/usr/home/avm/work/mbus/src/globals.h
[find_text]
0=TIOS
[find_in_files]
0=tty_open
1=INTBUFSIZE

283
missing Executable file
View File

@ -0,0 +1,283 @@
#! /bin/sh
# Common stub for a few missing GNU programs while installing.
# Copyright 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
# Originally by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
if test $# -eq 0; then
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
fi
run=:
# In the cases where this matters, `missing' is being run in the
# srcdir already.
if test -f configure.ac; then
configure_ac=configure.ac
else
configure_ac=configure.in
fi
case "$1" in
--run)
# Try to run requested program, and just exit if it succeeds.
run=
shift
"$@" && exit 0
;;
esac
# If it does not exist, or fails to run (possibly an outdated version),
# try to emulate it.
case "$1" in
-h|--h|--he|--hel|--help)
echo "\
$0 [OPTION]... PROGRAM [ARGUMENT]...
Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an
error status if there is no known handling for PROGRAM.
Options:
-h, --help display this help and exit
-v, --version output version information and exit
--run try to run the given command, and emulate it if it fails
Supported PROGRAM values:
aclocal touch file \`aclocal.m4'
autoconf touch file \`configure'
autoheader touch file \`config.h.in'
automake touch all \`Makefile.in' files
bison create \`y.tab.[ch]', if possible, from existing .[ch]
flex create \`lex.yy.c', if possible, from existing .c
help2man touch the output file
lex create \`lex.yy.c', if possible, from existing .c
makeinfo touch the output file
tar try tar, gnutar, gtar, then tar without non-portable flags
yacc create \`y.tab.[ch]', if possible, from existing .[ch]"
;;
-v|--v|--ve|--ver|--vers|--versi|--versio|--version)
echo "missing 0.3 - GNU automake"
;;
-*)
echo 1>&2 "$0: Unknown \`$1' option"
echo 1>&2 "Try \`$0 --help' for more information"
exit 1
;;
aclocal)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acinclude.m4' or \`${configure_ac}'. You might want
to install the \`Automake' and \`Perl' packages. Grab them from
any GNU archive site."
touch aclocal.m4
;;
autoconf)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`${configure_ac}'. You might want to install the
\`Autoconf' and \`GNU m4' packages. Grab them from any GNU
archive site."
touch configure
;;
autoheader)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`acconfig.h' or \`${configure_ac}'. You might want
to install the \`Autoconf' and \`GNU m4' packages. Grab them
from any GNU archive site."
files=`sed -n 's/^[ ]*A[CM]_CONFIG_HEADER(\([^)]*\)).*/\1/p' ${configure_ac}`
test -z "$files" && files="config.h"
touch_files=
for f in $files; do
case "$f" in
*:*) touch_files="$touch_files "`echo "$f" |
sed -e 's/^[^:]*://' -e 's/:.*//'`;;
*) touch_files="$touch_files $f.in";;
esac
done
touch $touch_files
;;
automake)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified \`Makefile.am', \`acinclude.m4' or \`${configure_ac}'.
You might want to install the \`Automake' and \`Perl' packages.
Grab them from any GNU archive site."
find . -type f -name Makefile.am -print |
sed 's/\.am$/.in/' |
while read f; do touch "$f"; done
;;
bison|yacc)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.y' file. You may need the \`Bison' package
in order for those modifications to take effect. You can get
\`Bison' from any GNU archive site."
rm -f y.tab.c y.tab.h
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.y)
SRCFILE=`echo "$LASTARG" | sed 's/y$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.c
fi
SRCFILE=`echo "$LASTARG" | sed 's/y$/h/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" y.tab.h
fi
;;
esac
fi
if [ ! -f y.tab.h ]; then
echo >y.tab.h
fi
if [ ! -f y.tab.c ]; then
echo 'main() { return 0; }' >y.tab.c
fi
;;
lex|flex)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.l' file. You may need the \`Flex' package
in order for those modifications to take effect. You can get
\`Flex' from any GNU archive site."
rm -f lex.yy.c
if [ $# -ne 1 ]; then
eval LASTARG="\${$#}"
case "$LASTARG" in
*.l)
SRCFILE=`echo "$LASTARG" | sed 's/l$/c/'`
if [ -f "$SRCFILE" ]; then
cp "$SRCFILE" lex.yy.c
fi
;;
esac
fi
if [ ! -f lex.yy.c ]; then
echo 'main() { return 0; }' >lex.yy.c
fi
;;
help2man)
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a dependency of a manual page. You may need the
\`Help2man' package in order for those modifications to take
effect. You can get \`Help2man' from any GNU archive site."
file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
if test -z "$file"; then
file=`echo "$*" | sed -n 's/.*--output=\([^ ]*\).*/\1/p'`
fi
if [ -f "$file" ]; then
touch $file
else
test -z "$file" || exec >$file
echo ".ab help2man is required to generate this page"
exit 1
fi
;;
makeinfo)
if test -z "$run" && (makeinfo --version) > /dev/null 2>&1; then
# We have makeinfo, but it failed.
exit 1
fi
echo 1>&2 "\
WARNING: \`$1' is missing on your system. You should only need it if
you modified a \`.texi' or \`.texinfo' file, or any other file
indirectly affecting the aspect of the manual. The spurious
call might also be the consequence of using a buggy \`make' (AIX,
DU, IRIX). You might want to install the \`Texinfo' package or
the \`GNU make' package. Grab either from any GNU archive site."
file=`echo "$*" | sed -n 's/.*-o \([^ ]*\).*/\1/p'`
if test -z "$file"; then
file=`echo "$*" | sed 's/.* \([^ ]*\) *$/\1/'`
file=`sed -n '/^@setfilename/ { s/.* \([^ ]*\) *$/\1/; p; q; }' $file`
fi
touch $file
;;
tar)
shift
if test -n "$run"; then
echo 1>&2 "ERROR: \`tar' requires --run"
exit 1
fi
# We have already tried tar in the generic part.
# Look for gnutar/gtar before invocation to avoid ugly error
# messages.
if (gnutar --version > /dev/null 2>&1); then
gnutar ${1+"$@"} && exit 0
fi
if (gtar --version > /dev/null 2>&1); then
gtar ${1+"$@"} && exit 0
fi
firstarg="$1"
if shift; then
case "$firstarg" in
*o*)
firstarg=`echo "$firstarg" | sed s/o//`
tar "$firstarg" ${1+"$@"} && exit 0
;;
esac
case "$firstarg" in
*h*)
firstarg=`echo "$firstarg" | sed s/h//`
tar "$firstarg" ${1+"$@"} && exit 0
;;
esac
fi
echo 1>&2 "\
WARNING: I can't seem to be able to run \`tar' with the given arguments.
You may want to install GNU tar or Free paxutils, or check the
command line arguments."
exit 1
;;
*)
echo 1>&2 "\
WARNING: \`$1' is needed, and you do not seem to have it handy on your
system. You might have modified some files without having the
proper tools for further handling them. Check the \`README' file,
it often tells you about the needed prerequirements for installing
this package. You may also peek at any GNU archive site, in case
some other package would contain this missing \`$1' program."
exit 1
;;
esac
exit 0

40
mkinstalldirs Executable file
View File

@ -0,0 +1,40 @@
#! /bin/sh
# mkinstalldirs --- make directory hierarchy
# Author: Noah Friedman <friedman@prep.ai.mit.edu>
# Created: 1993-05-16
# Public domain
# $Id: mkinstalldirs,v 1.1 2003/09/13 20:37:59 kapyar Exp $
errstatus=0
for file
do
set fnord `echo ":$file" | sed -ne 's/^:\//#/;s/^://;s/\// /g;s/^#/\//;p'`
shift
pathcomp=
for d
do
pathcomp="$pathcomp$d"
case "$pathcomp" in
-* ) pathcomp=./$pathcomp ;;
esac
if test ! -d "$pathcomp"; then
echo "mkdir $pathcomp"
mkdir "$pathcomp" || lasterr=$?
if test ! -d "$pathcomp"; then
errstatus=$lasterr
fi
fi
pathcomp="$pathcomp/"
done
done
exit $errstatus
# mkinstalldirs ends here

202
setup-gettext Executable file
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@ -0,0 +1,202 @@
#!/bin/sh
#
# setup-gettext - Provides compatibility with versions of gettext
# from the 0.10.x series and 0.11.x.
#
# Copyright (C) 2002 Christian Hammond.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
VERSION=0.1.3
VERBOSE=1
parse_gettext_version() {
GETTEXT_VERSION=`$GETTEXT_TOOL --version | sed -n 's/^.*\([0-9]\+\)\.\([0-9]\+\)\.\([0-9]\+\).*$/\1.\2.\3/p'`
GETTEXT_MAJOR_VERSION=`echo $GETTEXT_VERSION | sed -n 's/^\([0-9]\+\).*/\1/p'`
GETTEXT_MINOR_VERSION=`echo $GETTEXT_VERSION | sed -n 's/^[0-9]\+\.\([0-9]\+\).*/\1/p'`
GETTEXT_MICRO_VERSION=`echo $GETTEXT_VERSION | sed -n 's/^[0-9]\+\.[0-9]\+\.\([0-9]\+\).*/\1/p'`
}
find_gettext() {
GETTEXT_TOOL=autopoint
(autopoint --version) < /dev/null > /dev/null 2>&1 || {
GETTEXT_TOOL=gettextize
(gettextize --version) < /dev/null > /dev/null 2>&1 || {
GETTEXT_TOOL=
}
}
}
install() {
[ -f configure.in ] && {
cp configure.in .tmp-configure.in
sed -e 's/^AM_GNU_GETTEXT\(.*\)$/AM_GNU_GETTEXT\1\
AM_GNU_GETTEXT_VERSION(0.10.40)/' < .tmp-configure.in > configure.in
rm .tmp-configure.in
}
[ -f configure.ac ] && {
cp configure.ac .tmp-configure.ac
sed -e 's/^AM_GNU_GETTEXT\(.*\)$/AM_GNU_GETTEXT\1\
AM_GNU_GETTEXT_VERSION(0.10.40)/' < .tmp-configure.ac > configure.ac
rm .tmp-configure.ac
}
[ -f autogen.sh ] && {
cp autogen.sh .tmp-autogen.sh
sed -e 's/\(gettextize\|autopoint\) --version/.\/setup-gettext --gettext-tool/1' -e 's/^\(echo.*|[\t ]*\)\?\(gettextize\|autopoint\) -.*$/.\/setup-gettext/1' < .tmp-autogen.sh > autogen.sh
rm .tmp-autogen.sh
}
echo 'AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])' >> acinclude.m4
}
backup_m4() {
[ -d m4 ] && mv m4 m4~
}
restore_m4() {
[ -d m4~ ] && {
rm -rf m4
mv m4~ m4
}
}
restore_files() {
[ -f configure.in~ ] && mv -f configure.in~ configure.in
[ -f configure.ac~ ] && mv -f configure.ac~ configure.ac
[ -f Makefile.am~ ] && mv -f Makefile.am~ Makefile.am
}
abort() {
restore_files
restore_m4
exit 1
}
# Main code
find_gettext
# See if a version of gettext and its tools are installed.
if [ x$GETTEXT_TOOL = x ]; then
echo
echo "You do not have a version of gettext installed."
echo "Please download one from your local package repository or"
echo "from ftp://ftp.gnu.org/pub/gnu/gettext/"
echo
exit 1
fi
parse_gettext_version
NUMVAR=$#
if [ $NUMVAR -gt 0 ]; then
if [ $NUMVAR -gt 1 ]; then
echo "Only one option at a time!"
exit 1
elif [ $1 = "--gettext-tool" ]; then
echo $GETTEXT_TOOL
exit 0
elif [ $1 = "--help" ]; then
echo "setup-gettext v$VERSION"
echo "Usage:"
echo " --gettext-tool Returns gettextize or autopoint, depending"
echo " on the version of gettext installed."
echo " --gettext-version Returns the version of gettext installed."
echo " --gettext-major-version Returns the major version of gettext installed."
echo " --gettext-minor-version Returns the minor version of gettext installed."
echo " --gettext-micro-version Returns the micro version of gettext installed."
echo " --help Displays this help screen."
echo
exit 0
elif [ $1 = "--version" ]; then
echo $VERSION
exit 0
elif [ $1 = "--gettext-version" ]; then
echo $GETTEXT_VERSION
exit 0
elif [ $1 = "--gettext-major-version" ]; then
echo $GETTEXT_MAJOR_VERSION
exit 0
elif [ $1 = "--gettext-minor-version" ]; then
echo $GETTEXT_MINOR_VERSION
exit 0
elif [ $1 = "--gettext-micro-version" ]; then
echo $GETTEXT_MICRO_VERSION
exit 0
elif [ $1 = "--install" ]; then
install
echo "setup-gettext installed."
exit 0
elif [ $1 = "--happy-url" ]; then
echo http://gaim.sf.net/forkgettext.jpg
exit 0
elif [ $1 = "--verbose" ]; then
VERBOSE=1
else
echo "Invalid option '$1'"
exit 1
fi
fi
# Okay, run the main stuff
if [ "$GETTEXT_TOOL" = "autopoint" ]; then
backup_m4
[ $VERBOSE -eq 1 ] && echo " autopoint --force"
echo n | autopoint --force || abort
restore_m4
else
if [ $GETTEXT_MINOR_VERSION -eq 11 ]; then
backup_m4
# Gettext is pure evil. It DEMANDS that we press Return no matter
# what. This gets rid of their happy "feature" of doom.
[ $VERBOSE -eq 1 ] && \
echo " gettextize --copy --force --intl --no-changelog"
sed 's:read .*< /dev/tty::' `which gettextize` > .temp-gettextize
chmod +x .temp-gettextize
echo n | ./.temp-gettextize --copy --force --intl --no-changelog || abort
rm .temp-gettextize
restore_files
restore_m4
[ -f po/Makevars.template ] && mv po/Makevars.template po/Makevars
else
[ $VERBOSE -eq 1 ] && echo " gettextize --copy --force"
echo n | gettextize --copy --force || exit;
fi
fi

1
src/.deps/cfg.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/conn.Po Normal file
View File

@ -0,0 +1 @@
# dummy

1
src/.deps/crc16.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/log.Po Normal file
View File

@ -0,0 +1 @@
# dummy

1
src/.deps/main.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/modbus.Po Normal file
View File

@ -0,0 +1 @@
# dummy

1
src/.deps/queue.Po Normal file
View File

@ -0,0 +1 @@
# dummy

1
src/.deps/sig.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/sock.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/state.Po Normal file
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@ -0,0 +1 @@
# dummy

1
src/.deps/tty.Po Normal file
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@ -0,0 +1 @@
# dummy

382
src/Makefile Normal file
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@ -0,0 +1,382 @@
# Generated automatically from Makefile.in by configure.
# Makefile.in generated automatically by automake 1.5 from Makefile.am.
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
# Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
SHELL = /bin/sh
srcdir = .
top_srcdir = ..
prefix = /usr/local
exec_prefix = ${prefix}
bindir = ${exec_prefix}/bin
sbindir = ${exec_prefix}/sbin
libexecdir = ${exec_prefix}/libexec
datadir = ${prefix}/share
sysconfdir = ${prefix}/etc
sharedstatedir = ${prefix}/com
localstatedir = ${prefix}/var
libdir = ${exec_prefix}/lib
infodir = ${prefix}/info
mandir = ${prefix}/man
includedir = ${prefix}/include
oldincludedir = /usr/include
pkgdatadir = $(datadir)/mbusd
pkglibdir = $(libdir)/mbusd
pkgincludedir = $(includedir)/mbusd
top_builddir = ..
ACLOCAL = ${SHELL} /usr/home/avm/work/mbus/missing --run aclocal
AUTOCONF = ${SHELL} /usr/home/avm/work/mbus/missing --run autoconf
AUTOMAKE = ${SHELL} /usr/home/avm/work/mbus/missing --run automake
AUTOHEADER = ${SHELL} /usr/home/avm/work/mbus/missing --run autoheader
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
INSTALL_SCRIPT = ${INSTALL_PROGRAM}
INSTALL_HEADER = $(INSTALL_DATA)
transform = s,x,x,
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
host_alias = i386-unknown-freebsdelf4.8
host_triplet = i386-unknown-freebsdelf4.8
AMTAR = ${SHELL} /usr/home/avm/work/mbus/missing --run tar
AS = @AS@
AWK = gawk
CC = gcc
DEPDIR = .deps
DLLTOOL = @DLLTOOL@
EXEEXT =
INSTALL_STRIP_PROGRAM = ${SHELL} $(install_sh) -c -s
LIBTOOL = $(SHELL) $(top_builddir)/libtool
LN_S = ln -s
NO_PREFIX_PACKAGE_DATA_DIR = share/mbusd
NO_PREFIX_PACKAGE_DOC_DIR = doc/mbusd
NO_PREFIX_PACKAGE_HELP_DIR = share/mbusd/help
NO_PREFIX_PACKAGE_MENU_DIR = share/mbusd
NO_PREFIX_PACKAGE_PIXMAPS_DIR = share/mbusd/pixmaps
OBJDUMP = @OBJDUMP@
OBJEXT = o
PACKAGE = mbusd
PACKAGE_DATA_DIR = /usr/local/share/mbusd
PACKAGE_DOC_DIR = /usr/local/doc/mbusd
PACKAGE_HELP_DIR = /usr/local/share/mbusd/help
PACKAGE_MENU_DIR = /usr/local/share/mbusd
PACKAGE_PIXMAPS_DIR = /usr/local/share/mbusd/pixmaps
RANLIB = ranlib
VERSION = 0.1.1
am__include = include
am__quote =
install_sh = /usr/home/avm/work/mbus/install-sh
CFLAGS = \
-W -pedantic\
-Wall -O2
bin_PROGRAMS = mbusd
mbusd_SOURCES = \
main.c\
tty.c\
tty.h\
globals.h\
log.c\
log.h\
cfg.c\
cfg.h\
conn.c\
conn.h\
queue.c\
queue.h\
modbus.c\
modbus.h\
crc16.c\
crc16.h\
state.c\
state.h\
sig.h\
sig.c\
sock.h\
sock.c
subdir = src
mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
CONFIG_HEADER = $(top_builddir)/config.h
CONFIG_CLEAN_FILES =
bin_PROGRAMS = mbusd$(EXEEXT)
PROGRAMS = $(bin_PROGRAMS)
am_mbusd_OBJECTS = main.$(OBJEXT) tty.$(OBJEXT) log.$(OBJEXT) \
cfg.$(OBJEXT) conn.$(OBJEXT) queue.$(OBJEXT) modbus.$(OBJEXT) \
crc16.$(OBJEXT) state.$(OBJEXT) sig.$(OBJEXT) sock.$(OBJEXT)
mbusd_OBJECTS = $(am_mbusd_OBJECTS)
mbusd_LDADD = $(LDADD)
mbusd_DEPENDENCIES =
mbusd_LDFLAGS =
DEFS = -DHAVE_CONFIG_H
DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)
CPPFLAGS =
LDFLAGS =
LIBS = -lutil
depcomp = $(SHELL) $(top_srcdir)/depcomp
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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* cfg.c - configuration related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: cfg.c,v 1.1 2003/09/13 20:38:11 kapyar Exp $
*/
#include "cfg.h"
/* Global configuration storage variable */
cfg_t cfg;
/*
* Setting up config defaults
*/
void
cfg_init(void)
{
#ifdef LOG
cfg.dbglvl = 2;
strncpy(cfg.logname, LOGNAME, INTBUFSIZE);
#endif
strncpy(cfg.ttyport, DEFAULT_PORT, INTBUFSIZE);
cfg.ttyspeed = DEFAULT_SPEED;
#ifdef TRXCTL
cfg.trxcntl = TRX_ADDC;
#endif
cfg.serverport = DEFAULT_SERVERPORT;
cfg.maxconn = DEFAULT_MAXCONN;
cfg.maxtry = DEFAULT_MAXTRY;
cfg.rqstpause = DEFAULT_RQSTPAUSE;
cfg.respwait = DEFAULT_RESPWAIT;
cfg.resppause = DV(3, cfg.ttyspeed);
cfg.conntimeout = DEFAULT_CONNTIMEOUT;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* cfg.h - configuration related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: cfg.h,v 1.1 2003/09/13 20:38:16 kapyar Exp $
*/
#ifndef _CFG_H
#define _CFG_H
#include "globals.h"
#include "log.h"
#include "tty.h"
#include "conn.h"
/* Global configuration storage structure */
typedef struct
{
#ifdef LOG
/* debug level */
char dbglvl;
/* log file name */
char logname[INTBUFSIZE + 1];
#endif
/* tty port name */
char ttyport[INTBUFSIZE + 1];
/* tty speed */
int ttyspeed;
/* trx control type (0 - ADDC, 1 - by RTS) */
int trxcntl;
/* TCP server port number */
int serverport;
/* maximum number of connections */
int maxconn;
/* number of tries of request in case timeout (0 - no tries attempted) */
int maxtry;
/* staled connection timeout (in sec) */
int conntimeout;
/* inter-request pause (in msec) */
unsigned long rqstpause;
/* response waiting time (in msec) */
unsigned long respwait;
/* inter-byte response pause (in usec) */
unsigned long resppause;
} cfg_t;
/* Prototypes */
extern cfg_t cfg;
void cfg_init(void);
#endif /* _CFG_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* conn.c - connections management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: conn.c,v 1.1 2003/09/13 20:38:33 kapyar Exp $
*/
#include "conn.h"
#include "queue.h"
#include "state.h"
/* global variables */
extern int server_sd;
extern queue_t queue;
extern ttydata_t tty;
extern cfg_t cfg;
conn_t *actconn; /* last active connection */
int max_sd; /* major descriptor in the select() sets */
void conn_tty_start(ttydata_t *tty, conn_t *conn);
ssize_t conn_read(int d, void *buf, size_t nbytes);
ssize_t conn_write(int d, void *buf, size_t nbytes);
int conn_select(int nfds,
fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
struct timeval *timeout);
#define FD_MSET(d, s) do { FD_SET(d, s); max_sd = MAX(d, max_sd); } while (0);
/*
* Connections startup initialization
* Parameters: none
* Return: RC_OK in case of success, RC_ERR otherwise
*/
int
conn_init(void)
{
/* tty device initialization */
#ifdef TRXCTL
tty_init(&tty, cfg.ttyport, cfg.ttyspeed, cfg.trxcntl);
#else
tty_init(&tty, cfg.ttyport, cfg.ttyspeed);
#endif
if (tty_open(&tty) != RC_OK)
{
#ifdef LOG
log(0, "conn_init():"
" can't open tty device %s (%s)",
cfg.ttyport, strerror(errno));
#endif
return RC_ERR;
}
state_tty_set(&tty, TTY_READY);
/* create server socket */
if ((server_sd =
sock_create_server("", cfg.serverport, TRUE)) < 0)
{
#ifdef LOG
log(0, "conn_init():"
" can't create listen() socket (%s)",
strerror(errno));
#endif
return RC_ERR;
}
/* connections queue initialization */
queue_init(&queue);
return RC_OK;
}
/*
* Open new client connection
* Parameters: none
* Return: none
*/
void
conn_open(void)
{
int sd;
conn_t *newconn;
struct sockaddr_in rmt_addr;
if ((sd = sock_accept(server_sd, &rmt_addr, TRUE)) == RC_ERR)
{ /* error in conn_accept() */
#ifdef LOG
log(0, "conn_open(): error in accept() (%s)", strerror(errno));
#endif
return;
}
#ifdef LOG
log(2, "conn_open(): accepting connection from %s",
inet_ntoa(rmt_addr.sin_addr));
#endif
/* compare descriptor of connection with FD_SETSIZE */
if (sd >= FD_SETSIZE)
{
#ifdef LOG
log(1, "conn_open(): FD_SETSIZE limit reached,"
" connection from %s will be dropped",
inet_ntoa(rmt_addr.sin_addr));
#endif
close(sd);
return;
}
/* check current number of connections */
if (queue.len == cfg.maxconn)
{
#ifdef LOG
log(1, "conn_open(): number of connections limit reached,"
" connection from %s will be dropped",
inet_ntoa(rmt_addr.sin_addr));
#endif
close(sd);
return;
}
/* enqueue connection */
newconn = queue_new_elem(&queue);
newconn->sd = sd;
memcpy((void *) &newconn->sockaddr,
&rmt_addr, sizeof(struct sockaddr_in));
state_conn_set(newconn, CONN_HEADER);
}
/*
* Close client connection
* Parameters: CONN - ptr to connection to close
* Return: pointer to next queue element
*/
conn_t *
conn_close(conn_t *conn)
{
conn_t *nextconn;
#ifdef LOG
log(2, "conn_close(): closing connection from %s",
inet_ntoa(conn->sockaddr.sin_addr));
#endif
/* close socket */
close(conn->sd);
/* get pointer to next element */
nextconn = queue_next_elem(&queue, conn);
/* dequeue connection */
queue_delete_elem(&queue, conn);
if (actconn == conn) actconn = nextconn;
return nextconn;
}
/*
* Start tty transaction
* Parameters: TTY - ptr to tty structure,
* CONN - ptr to active connection
* Return: none
*/
void
conn_tty_start(ttydata_t *tty, conn_t *conn)
{
(void)memcpy((void *)tty->txbuf,
(void *)(conn->buf + HDRSIZE),
MB_HDR(conn->buf, MB_LENGTH_L));
modbus_crc_write(tty->txbuf, MB_HDR(conn->buf, MB_LENGTH_L));
tty->txlen = MB_HDR(conn->buf, MB_LENGTH_L) + CRCSIZE;
state_tty_set(tty, TTY_RQST);
actconn = conn;
}
/*
* Read() wrapper. Read nomore BYTES from descriptor D in buffer BUF
* Return: number of successfully readed bytes,
* RC_ERR in case of error.
*/
ssize_t
conn_read(int d, void *buf, size_t nbytes)
{
int rc;
do
{ /* trying read from descriptor while breaked by signals */
rc = read(d, buf, nbytes);
} while (rc == -1 && errno == EINTR);
return (rc < 0) ? RC_ERR : rc;
}
/*
* Write() wrapper. Write nomore BYTES to descriptor D from buffer BUF
* Return: number of successfully written bytes,
* RC_ERR in case of error.
*/
ssize_t
conn_write(int d, void *buf, size_t nbytes)
{
int rc;
do
{ /* trying write to descriptor while breaked by signals */
rc = write(d, buf, nbytes);
} while (rc == -1 && errno == EINTR);
return (rc < 0) ? RC_ERR : rc;
}
#if 0
/*
* Select() wrapper with signal checking.
* Return: number number of ready descriptors,
* RC_ERR in case of error.
*/
int
conn_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
struct timeval *timeout)
{
int rc;
do
{ /* trying to select() while breaked by signals */
rc = select(nfds, readfds, writefds, exceptfds, timeout);
} while (rc == -1 && errno == EINTR);
return (rc < 0) ? RC_ERR : rc;
}
#endif
/*
* Connections serving loop
* Parameters: none
* Return: none
*/
void
conn_loop(void)
{
int rc, max_sd, len, min_timeout;
fd_set sdsetrd, sdsetwr;
struct timeval ts, tts, t_out;
unsigned long tval, tout_sec, tout = 0ul;
conn_t *curconn = NULL;
while (TRUE)
{
/* check for the signals */
if (sig_flag) sig_exec();
/* update FD_SETs */
FD_ZERO(&sdsetrd);
max_sd = server_sd;
FD_MSET(server_sd, &sdsetrd);
FD_ZERO(&sdsetwr);
/* update FD_SETs by TCP connections */
len = queue.len;
curconn = queue.beg;
min_timeout = cfg.conntimeout;
while (len--)
{
switch (curconn->state)
{
case CONN_HEADER:
case CONN_RQST:
FD_MSET(curconn->sd, &sdsetrd);
break;
case CONN_RESP:
FD_MSET(curconn->sd, &sdsetwr);
break;
}
min_timeout = MIN(min_timeout, curconn->timeout);
curconn = queue_next_elem(&queue, curconn);
}
/* update FD_SETs by tty connection */
FD_MSET(tty.fd, &sdsetrd);
if (tty.state == TTY_RQST) FD_MSET(tty.fd, &sdsetwr);
if (tty.timer)
{ /* tty.timer is non-zero in TTY_PAUSE, TTY_RESP states */
t_out.tv_sec = tty.timer / 1000000ul;
t_out.tv_usec = tty.timer % 1000000ul;
}
else
{
t_out.tv_usec = 0ul;
if (cfg.conntimeout)
t_out.tv_sec = min_timeout; /* minor timeout value */
else
t_out.tv_sec = 10ul; /* XXX default timeout value */
}
(void)gettimeofday(&ts, NULL); /* make timestamp */
#ifdef DEBUG
log(7, "conn_loop(): select(): max_sd = %d, t_out = %06lu:%06lu ",
max_sd, t_out.tv_sec, t_out.tv_usec);
#endif
rc = select(max_sd + 1, &sdsetrd, &sdsetwr, NULL, &t_out);
if (rc < 0)
{ /* some error caused while select() */
if (errno == EINTR) continue; /* process signals */
/* unrecoverable error in select(), exiting */
#ifdef LOG
log(0, "conn_loop(): error in select() (%s)", strerror(errno));
#endif
break;
}
/* calculating elapsed time */
(void)gettimeofday(&tts, NULL);
tval = 1000000ul * (tts.tv_sec - ts.tv_sec) +
(tts.tv_usec - ts.tv_usec);
/* modify tty timer */
if (tty.timer)
{ /* tty timer is active */
if (tty.timer <= tval)
switch (tty.state)
{ /* timer expired */
case TTY_PAUSE:
/* inter-request pause elapsed */
/* looking for connections in CONN_TTY state */
curconn = state_conn_search(&queue, actconn, CONN_TTY);
if (curconn != NULL)
conn_tty_start(&tty, curconn);
else
state_tty_set(&tty, TTY_READY);
break;
case TTY_RESP:
/* checking for received data */
if (FD_ISSET(tty.fd, &sdsetrd)) break;
/* response timeout handling */
if (!tty.ptrbuf)
{/* there no bytes received */
#ifdef DEBUG
log(5, "tty: response timeout", tty.ptrbuf);
#endif
if (!tty.trynum)
modbus_ex_write(actconn->buf, MB_EX_TIMEOUT);
else
{ /* retry request */
#ifdef DEBUG
log(5, "tty: attempt to retry request (%u of %u)",
cfg.maxtry - tty.trynum + 1, cfg.maxtry);
#endif
state_tty_set(&tty, TTY_RQST);
break;
}
}
else
{ /* some data received */
#ifdef DEBUG
log(5, "tty: response readed (total %d bytes)", tty.ptrbuf);
#endif
if (tty.ptrbuf >= MB_MIN_LEN &&
modbus_crc_correct(tty.rxbuf, tty.ptrbuf))
{ /* received response is correct, make OpenMODBUS response */
#ifdef DEBUG
log(5, "tty: response is correct");
#endif
(void)memcpy((void *)(actconn->buf + HDRSIZE),
(void *)tty.rxbuf, tty.ptrbuf - CRCSIZE);
WORD_WR_BE(actconn->buf + MB_LENGTH_H, tty.ptrbuf - CRCSIZE);
}
else
{
/* received response is incomplete or CRC failed */
#ifdef DEBUG
log(5, "tty: response is incorrect");
#endif
if (!tty.trynum)
modbus_ex_write(actconn->buf, MB_EX_CRC);
else
{ /* retry request */
#ifdef DEBUG
log(5, "tty: attempt to retry request (%u of %u)",
cfg.maxtry - tty.trynum + 1, cfg.maxtry);
#endif
state_tty_set(&tty, TTY_RQST);
break;
}
}
}
/* switch connection to response state */
state_conn_set(actconn, CONN_RESP);
/* make inter-request pause */
state_tty_set(&tty, TTY_PAUSE);
break;
}
else tty.timer -= tval;
}
if (cfg.conntimeout)
{ /* expire staled connections */
tout += tval;
tout_sec = tout / 1000000ul;
if (tout_sec)
{ /* at least one second elapsed, check for staled connections */
len = queue.len;
curconn = queue.beg;
while (len--)
{
curconn->timeout -= tout_sec;
if (curconn->timeout <= 0)
{ /* timeout expired */
if (curconn->state == CONN_TTY)
{ /* deadlock in CONN_TTY state, exiting */
#ifdef LOG
log(0, "conn[%s]: state CONN_TTY deadlock, exiting!",
inet_ntoa(curconn->sockaddr.sin_addr));
#endif
exit (-1);
}
/* purge connection */
#ifdef LOG
log(2, "conn[%s]: timeout, closing connection",
inet_ntoa(curconn->sockaddr.sin_addr));
#endif
curconn = conn_close(curconn);
continue;
}
curconn = queue_next_elem(&queue, curconn);
}
tout = tout % 1000000ul;
}
}
if (rc == 0)
continue; /* timeout caused, we will do select() again */
/* checking for pending connections */
if (FD_ISSET(server_sd, &sdsetrd)) conn_open();
/* tty processing */
if (tty.state == TTY_RQST)
if (FD_ISSET(tty.fd, &sdsetwr))
{
rc = conn_write(tty.fd, tty.txbuf + tty.ptrbuf,
tty.txlen - tty.ptrbuf);
if (rc <= 0)
{ /* error - we can't continue... */
#ifdef LOG
log(0, "tty: error in write() (%s)", strerror(errno));
#endif
break; /* exiting... */
}
#ifdef DEBUG
log(7, "tty: written %d bytes", rc);
#endif
tty.ptrbuf += rc;
if (tty.ptrbuf == tty.txlen)
{ /* request transmitting completed, switch to TTY_RESP */
#ifdef DEBUG
log(7, "tty: request written (total %d bytes)", tty.txlen);
#endif
state_tty_set(&tty, TTY_RESP);
}
}
if (FD_ISSET(tty.fd, &sdsetrd))
{
if (tty.state == TTY_RESP)
{
rc = conn_read(tty.fd, tty.rxbuf + tty.ptrbuf,
tty.rxlen - tty.ptrbuf);
if (rc <= 0)
{ /* error - we can't continue... */
#ifdef LOG
log(0, "tty: error in read() (%s)", strerror(errno));
#endif
break; /* exiting... */
}
#ifdef DEBUG
log(7, "tty: readed %d bytes", rc);
#endif
tty.ptrbuf += rc;
if (tty.ptrbuf == tty.rxlen)
{ /* XXX still generating error response */
modbus_ex_write(actconn->buf, MB_EX_CRC);
/* switch connection to response state */
state_conn_set(actconn, CONN_RESP);
/* make inter-request pause */
state_tty_set(&tty, TTY_PAUSE);
}
else
/* reset timer */
tty.timer = cfg.respwait * 1000l;
}
else
{ /* drop unexpected tty data */
if ((rc = conn_read(tty.fd, tty.rxbuf, BUFSIZE)) <= 0)
{ /* error - we can't continue... */
#ifdef LOG
log(0, "tty: error in read() (%s)", strerror(errno));
#endif
break; /* exiting... */
}
#ifdef DEBUG
log(7, "tty: dropped %d bytes", rc);
#endif
}
}
/* processing data on the sockets */
len = queue.len;
curconn = queue.beg;
while (len--)
{
switch (curconn->state)
{
case CONN_HEADER:
case CONN_RQST:
if (FD_ISSET(curconn->sd, &sdsetrd))
{
rc = conn_read(curconn->sd,
curconn->buf + curconn->ctr,
RQSTSIZE - curconn->ctr);
if (rc <= 0)
{ /* error - drop this connection and go to next queue element */
curconn = conn_close(curconn);
break;
}
curconn->ctr += rc;
if (curconn->state == CONN_HEADER)
if (curconn->ctr >= HDRSIZE)
{ /* header received completely */
if (modbus_check_header(curconn->buf) != RC_OK)
{ /* header is damaged, drop connection */
curconn = conn_close(curconn);
break;
}
state_conn_set(curconn, CONN_RQST);
}
if (curconn->state == CONN_RQST)
if (curconn->ctr >=
HDRSIZE + MB_HDR(curconn->buf, MB_LENGTH_L))
{ /* ### packet received completely ### */
state_conn_set(curconn, CONN_TTY);
if (tty.state == TTY_READY)
conn_tty_start(&tty, curconn);
}
}
curconn = queue_next_elem(&queue, curconn);
break;
case CONN_RESP:
if (FD_ISSET(curconn->sd, &sdsetwr))
{
rc = conn_write(curconn->sd,
curconn->buf + curconn->ctr,
MB_HDR(curconn->buf, MB_LENGTH_L) +
HDRSIZE - curconn->ctr);
if (rc <= 0)
{ /* error - drop this connection and go to next queue element */
curconn = conn_close(curconn);
break;
}
curconn->ctr += rc;
if (curconn->ctr == (MB_HDR(curconn->buf, MB_LENGTH_L) + HDRSIZE))
state_conn_set(curconn, CONN_HEADER);
}
curconn = queue_next_elem(&queue, curconn);
break;
} /* switch (curconn->state) */
} /* while (len--) */
} /* while (TRUE) */
/* XXX some cleanup must be here */
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* conn.h - connections management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: conn.h,v 1.1 2003/09/13 20:38:33 kapyar Exp $
*/
#ifndef _CONN_H
#define _CONN_H
#include "globals.h"
#include "cfg.h"
#include "sock.h"
#include "modbus.h"
#include "sig.h"
#ifdef LOG
#include "log.h"
#endif
/*
* Default values
*/
#define DEFAULT_SERVERPORT 502
#define DEFAULT_MAXCONN 32
#define DEFAULT_MAXTRY 3
#define DEFAULT_RQSTPAUSE 100
#define DEFAULT_RESPWAIT 10
#define DEFAULT_CONNTIMEOUT 60
#define CRCSIZE 2 /* size (in bytes) of CRC */
#define HDRSIZE 6 /* size (in bytes) of header */
#define BUFSIZE 256 /* size (in bytes) of MODBUS data */
#define RQSTSIZE (HDRSIZE + BUFSIZE - 2) /* size (in bytes) of MODBUS request */
/*
* Client connection FSM states
*/
#define CONN_HEADER 0
#define CONN_RQST 1
#define CONN_TTY 2
#define CONN_RESP 3
/*
* Client connection related data storage structure
*/
typedef struct conn_t
{
struct conn_t *prev; /* linked list previous connection */
struct conn_t *next; /* linked list next connection */
int sd; /* socket descriptor */
int state; /* current state */
int timeout; /* timeout value, secs */
struct sockaddr_in sockaddr; /* connection structure */
int ctr; /* counter of data in the buffer */
unsigned char buf[HDRSIZE + BUFSIZE]; /* data buffer */
} conn_t;
/* prototypes */
int conn_init(void);
void conn_loop(void);
void conn_open(void);
conn_t *conn_close(conn_t *conn);
#endif /* _CONN_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* crc16.c - Cyclic Redundant Checks calculating
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: crc16.c,v 1.1 2003/09/13 20:38:39 kapyar Exp $
*/
#include "crc16.h"
unsigned short
crc_16_tab[] = {
0x0000, 0xc0c1, 0xc181, 0x0140, 0xc301, 0x03c0, 0x0280, 0xc241,
0xc601, 0x06c0, 0x0780, 0xc741, 0x0500, 0xc5c1, 0xc481, 0x0440,
0xcc01, 0x0cc0, 0x0d80, 0xcd41, 0x0f00, 0xcfc1, 0xce81, 0x0e40,
0x0a00, 0xcac1, 0xcb81, 0x0b40, 0xc901, 0x09c0, 0x0880, 0xc841,
0xd801, 0x18c0, 0x1980, 0xd941, 0x1b00, 0xdbc1, 0xda81, 0x1a40,
0x1e00, 0xdec1, 0xdf81, 0x1f40, 0xdd01, 0x1dc0, 0x1c80, 0xdc41,
0x1400, 0xd4c1, 0xd581, 0x1540, 0xd701, 0x17c0, 0x1680, 0xd641,
0xd201, 0x12c0, 0x1380, 0xd341, 0x1100, 0xd1c1, 0xd081, 0x1040,
0xf001, 0x30c0, 0x3180, 0xf141, 0x3300, 0xf3c1, 0xf281, 0x3240,
0x3600, 0xf6c1, 0xf781, 0x3740, 0xf501, 0x35c0, 0x3480, 0xf441,
0x3c00, 0xfcc1, 0xfd81, 0x3d40, 0xff01, 0x3fc0, 0x3e80, 0xfe41,
0xfa01, 0x3ac0, 0x3b80, 0xfb41, 0x3900, 0xf9c1, 0xf881, 0x3840,
0x2800, 0xe8c1, 0xe981, 0x2940, 0xeb01, 0x2bc0, 0x2a80, 0xea41,
0xee01, 0x2ec0, 0x2f80, 0xef41, 0x2d00, 0xedc1, 0xec81, 0x2c40,
0xe401, 0x24c0, 0x2580, 0xe541, 0x2700, 0xe7c1, 0xe681, 0x2640,
0x2200, 0xe2c1, 0xe381, 0x2340, 0xe101, 0x21c0, 0x2080, 0xe041,
0xa001, 0x60c0, 0x6180, 0xa141, 0x6300, 0xa3c1, 0xa281, 0x6240,
0x6600, 0xa6c1, 0xa781, 0x6740, 0xa501, 0x65c0, 0x6480, 0xa441,
0x6c00, 0xacc1, 0xad81, 0x6d40, 0xaf01, 0x6fc0, 0x6e80, 0xae41,
0xaa01, 0x6ac0, 0x6b80, 0xab41, 0x6900, 0xa9c1, 0xa881, 0x6840,
0x7800, 0xb8c1, 0xb981, 0x7940, 0xbb01, 0x7bc0, 0x7a80, 0xba41,
0xbe01, 0x7ec0, 0x7f80, 0xbf41, 0x7d00, 0xbdc1, 0xbc81, 0x7c40,
0xb401, 0x74c0, 0x7580, 0xb541, 0x7700, 0xb7c1, 0xb681, 0x7640,
0x7200, 0xb2c1, 0xb381, 0x7340, 0xb101, 0x71c0, 0x7080, 0xb041,
0x5000, 0x90c1, 0x9181, 0x5140, 0x9301, 0x53c0, 0x5280, 0x9241,
0x9601, 0x56c0, 0x5780, 0x9741, 0x5500, 0x95c1, 0x9481, 0x5440,
0x9c01, 0x5cc0, 0x5d80, 0x9d41, 0x5f00, 0x9fc1, 0x9e81, 0x5e40,
0x5a00, 0x9ac1, 0x9b81, 0x5b40, 0x9901, 0x59c0, 0x5880, 0x9841,
0x8801, 0x48c0, 0x4980, 0x8941, 0x4b00, 0x8bc1, 0x8a81, 0x4a40,
0x4e00, 0x8ec1, 0x8f81, 0x4f40, 0x8d01, 0x4dc0, 0x4c80, 0x8c41,
0x4400, 0x84c1, 0x8581, 0x4540, 0x8701, 0x47c0, 0x4680, 0x8641,
0x8201, 0x42c0, 0x4380, 0x8341, 0x4100, 0x81c1, 0x8081, 0x4040
};
unsigned short
crc16(unsigned char *buf, unsigned int bsize)
{
unsigned short crc = 0xffff;
while (bsize--)
crc = (unsigned short)(crc >> 8) ^ crc_16_tab[(crc ^ *buf++) & 0xff];
return crc;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* crc16.h - Cyclic Redundant Checks calculating
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: crc16.h,v 1.1 2003/09/13 20:38:45 kapyar Exp $
*/
#ifndef _CRC_H
#define _CRC_H
#include "globals.h"
unsigned short crc16(unsigned char *buf, unsigned int bsize);
#endif /*_CRC_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* globals.h - global definitions
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: globals.h,v 1.1 2003/09/13 20:38:16 kapyar Exp $
*/
#ifndef _GLOBALS_H
#define _GLOBALS_H
/* Include global configuration header file */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <netdb.h>
#include <fcntl.h>
#ifdef HAVE_LIBUTIL
#include <libutil.h>
#endif
/*
* Uncomment this for enabling logging facility
*/
#define LOG
#ifdef LOG
/* uncomment this line for extra debug log info */
#define DEBUG
#endif
/*
* Useful min/max macroses
*/
#define MAX(a, b) ( (a > b) ? a : b )
#define MIN(a, b) ( (a < b) ? a : b )
/*
* Boolean constants
*/
#define FALSE 0
#define TRUE !FALSE
/*
* Constants
*/
#define RC_OK 0
#define RC_ERR -1
#define RC_BREAK -2
#define RC_TIMEOUT -3
#define RC_AOPEN -4
#define RC_ACLOSE -5
/* Internal string buffers size */
#if defined(PATH_MAX)
#define INTBUFSIZE PATH_MAX
#else
#define INTBUFSIZE 1023
#endif
#endif

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* log.c - debug logging facility
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: log.c,v 1.1 2003/09/13 20:38:16 kapyar Exp $
*/
#include "log.h"
#ifdef LOG
#include "cfg.h"
/* log file full name */
char logfullname[INTBUFSIZE + 1];
int
log_init(char *logname)
{
FILE *logfile;
int maxlen = INTBUFSIZE;
/* checking log file name */
if (*logname != '/')
{
strncpy(logfullname, LOGPATH, maxlen);
maxlen -= strlen(logfullname);
strncat(logfullname, logname, maxlen);
}
else strncpy(logfullname, logname, maxlen);
logfile = fopen(logfullname, "at");
if (logfile)
{
fclose(logfile);
return RC_OK;
}
*logfullname = '\0';
return RC_ERR;
}
/* Append message STRING to log file LOGNAME */
int
log_app(char *logname, char *string)
{
FILE *logfile;
logfile = fopen(logname, "at");
if (logfile)
{
fputs(string, logfile);
fclose(logfile);
return RC_OK;
}
return RC_ERR;
}
/* Put message with format FMT with errorlevel LEVEL to log file */
void
log(int level, char *fmt, ...)
{
#ifdef HRDATE
time_t tt;
struct tm *t;
#else
struct timeval tv;
#endif
va_list args;
int strsize = 0;
static char str[INTBUFSIZE + 1] = {0}, *p;
if (*logfullname == '\0' || level > cfg.dbglvl) return;
#ifdef HRDATE
tt = time(NULL);
t = localtime(&tt);
strsize += strftime(str, 32, "%d %b %Y %H:%M:%S ", t);
#else
(void)gettimeofday(&tv, NULL);
strsize += snprintf(str, 32, "%06lu:%06lu ", tv.tv_sec, tv.tv_usec);
#endif
va_start(args, fmt);
p = str + strsize;
strsize += vsnprintf(p, INTBUFSIZE - strsize, fmt, args);
va_end(args);
strcpy(str + strsize++, "\n");
log_app(logfullname, str);
}
#endif

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* log.h - debug logging facility
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: log.h,v 1.1 2003/09/13 20:38:16 kapyar Exp $
*/
#ifndef _LOG_H
#define _LOG_H
#include "globals.h"
/* Default log file path and name */
#define LOGPATH "/var/log/"
#define LOGNAME "mbus.log"
#ifdef LOG
int log_init(char *logname);
int log_app(char *logname, char *string);
void log(int level, char *fmt, ...);
#endif
#endif /* _LOG_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* main.c - main module
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: main.c,v 1.1 2003/09/13 20:38:16 kapyar Exp $
*/
#include "globals.h"
#include "cfg.h"
#include "tty.h"
#include "sock.h"
#include "conn.h"
#include "queue.h"
#include "sig.h"
#ifdef LOG
#include "log.h"
#endif
int isdaemon = TRUE;
void usage(char *exename);
/* Server socket */
int server_sd = -1;
/* TTY related data storage variable */
ttydata_t tty;
/* Connections queue descriptor */
queue_t queue;
void
usage(char *exename)
{
printf("%s-%s copyright (c) Victor Antonovich, 2002-2003 // 2:5055/124.13@fidonet\n"
"usage: %s [<options>] \n"
"-h this help\n"
"-d don't daemonize\n"
#ifdef LOG
#ifdef DEBUG
"-v<level> set log level (0-9, default %d, 0 - errors only)\n"
#else
"-v<level> set log level (0-2, default %d, 0 - errors only)\n"
#endif
"-L<name> set log file name (default %s%s)\n"
#endif
"-p<name> set serial port device name (default %s)\n"
"-s<value> set serial port speed (default %d)\n"
#ifdef TRXCTL
"-t force RTS RS-485 transmitting/receiving control\n"
#endif
"-P<number> set TCP server port number (default %d)\n"
"-C<number> set number of simultaneous connections\n"
" (1-128, default %d)\n"
"-N<number> set number of request retries\n"
" (0-15, default %d, 0 - without retries)\n"
"-R<value> set pause between requests, millisecs\n"
" (1-10000, default %lu)\n"
"-W<value> set response wait time, millisecs\n"
" (1-10000, default %lu)\n"
"-T<value> set connection timeout value, secs\n"
" (0-1000, default %d, 0 - no timeout)"
"\n", PACKAGE, VERSION, exename,
#ifdef LOG
cfg.dbglvl, LOGPATH, LOGNAME,
#endif
cfg.ttyport, cfg.ttyspeed, cfg.serverport, cfg.maxconn,
cfg.maxtry, cfg.rqstpause, cfg.respwait, cfg.conntimeout);
exit(0);
}
int
main(int argc, char *argv[])
{
int err = 0, rc;
sig_init();
cfg_init();
/* command line parsing */
while ((rc = getopt(argc, argv,
"dh"
#ifdef TRXCTL
"t"
#endif
#ifdef LOG
"v:L:"
#endif
"p:s:P:C:N:R:W:T:")) != RC_ERR)
{
switch (rc)
{
case 'd':
isdaemon = FALSE;
break;
#ifdef TRXCTL
case 't':
cfg.trxcntl = TRX_RTS;
break;
#endif
#ifdef LOG
case 'v':
cfg.dbglvl = (char)strtol(optarg, NULL, 0);
#ifdef DEBUG
if (cfg.dbglvl < 0 || cfg.dbglvl > 9)
{ /* report about invalid log level */
printf("-v: invalid loglevel"
" (%d, must be 0-9)\n", cfg.dbglvl);
#else
if (cfg.dbglvl < 0 || cfg.dbglvl > 9)
{ /* report about invalid log level */
printf("-v: invalid loglevel"
" (%d, must be 0-2)\n", cfg.dbglvl);
#endif
exit(-1);
}
break;
case 'L':
if (*optarg != '/')
{ /* concatenate given log file name with default path */
strncpy(cfg.logname, LOGPATH, INTBUFSIZE);
strncat(cfg.logname, optarg,
INTBUFSIZE - strlen(cfg.logname));
}
else strncpy(cfg.logname, optarg, INTBUFSIZE);
break;
#endif
case 'p':
if (*optarg != '/')
{ /* concatenate given port name with default */
/* path to devices mountpoint */
strncpy(cfg.ttyport, "/dev/", INTBUFSIZE);
strncat(cfg.ttyport, optarg,
INTBUFSIZE - strlen(cfg.ttyport));
}
else strncpy(cfg.ttyport, optarg, INTBUFSIZE);
break;
case 's':
cfg.ttyspeed = strtoul(optarg, NULL, 0);
break;
case 'P':
cfg.serverport = strtoul(optarg, NULL, 0);
break;
case 'C':
cfg.maxconn = strtoul(optarg, NULL, 0);
if (cfg.maxconn < 1 || cfg.maxconn > 128)
{ /* report about invalid max conn number */
printf("-C: invalid number"
" (%d, must be 1-128)\n", cfg.maxconn);
exit(-1);
}
break;
case 'N':
cfg.maxtry = strtoul(optarg, NULL, 0);
if (cfg.maxtry > 15)
{ /* report about invalid max conn number */
printf("-N: invalid number"
" (%d, must be 0-15)\n", cfg.maxtry);
exit(-1);
}
break;
case 'R':
cfg.rqstpause = strtoul(optarg, NULL, 0);
if (cfg.rqstpause < 1 || cfg.rqstpause > 10000)
{ /* report about invalid rqst pause value */
printf("-R: invalid number"
" (%lu, must be 1-10000)\n", cfg.rqstpause);
exit(-1);
}
break;
case 'W':
cfg.respwait = strtoul(optarg, NULL, 0);
if (cfg.respwait < 1 || cfg.respwait > 10000)
{ /* report about invalid resp wait value */
printf("-W: invalid number"
" (%lu, must be 1-10000)\n", cfg.respwait);
exit(-1);
}
break;
case 'T':
cfg.conntimeout = strtoul(optarg, NULL, 0);
if (cfg.conntimeout > 1000)
{ /* report about invalid conn timeout value */
printf("-T: invalid number"
" (%d, must be 1-1000)\n", cfg.conntimeout);
exit(-1);
}
break;
case 'h':
usage(argv[0]);
}
}
#ifdef LOG
log_init(cfg.logname);
log(2, "%s-%s started...", PACKAGE, VERSION);
#endif
if (conn_init())
{
#ifdef LOG
err = errno;
log(2, "conn_init() failed, exiting...");
#endif
exit(err);
}
/* go or not to daemon mode? */
if (isdaemon && (rc = daemon(TRUE, FALSE)))
{
#ifdef LOG
log(0, "Can't be daemonized (%s), exiting...", strerror(errno));
#endif
exit(rc);
}
conn_loop();
err = errno;
#ifdef LOG
log(2, "%s-%s exited...", PACKAGE, VERSION);
#endif
return (err);
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* modbus.c - MODBUS protocol related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: modbus.c,v 1.1 2003/09/13 20:38:39 kapyar Exp $
*/
#include "modbus.h"
/*
* Check CRC of MODBUS frame
* Parameters: FRAME - address of the frame,
* LEN - frame length;
* Return: 0 if CRC failed,
* non-zero otherwise
*/
int
modbus_crc_correct(unsigned char *frame, unsigned int len)
{
return (!crc16(frame, len));
}
/*
* Write CRC to MODBUS frame
* Parameters: FRAME - address of the frame,
* LEN - frame length;
* Return: none
*/
void
modbus_crc_write(unsigned char *frame, unsigned int len)
{
WORD_WR_LE(frame + len, crc16(frame, len));
}
/*
* Write exception response to OpenMODBUS request
* Parameters: PACKET - address of the request packet,
* CODE - exception code;
* Return: none
*/
void
modbus_ex_write(unsigned char *packet, unsigned char code)
{
MB_HDR(packet, MB_FCODE) |= 0x80;
MB_HDR(packet, MB_DATA) = code;
WORD_WR_BE(packet + MB_LENGTH_H, MB_EX_LEN);
}
/*
* Check MODBUS packet header consistency
* Parameters: HEADER - address of the header
* Return: RC_OK if (mostly) all is right, RC_ERR otherwise
*/
int
modbus_check_header(unsigned char *packet)
{
return (MB_HDR(packet, MB_PROTO_ID_H) == 0 &&
MB_HDR(packet, MB_PROTO_ID_L) == 0 &&
MB_HDR(packet, MB_LENGTH_H) == 0 &&
MB_HDR(packet, MB_LENGTH_L) > 0) ? RC_OK : RC_ERR;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* modbus.h - MODBUS protocol related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: modbus.h,v 1.1 2003/09/13 20:38:45 kapyar Exp $
*/
#ifndef _MODBUS_H
#define _MODBUS_H
#include "globals.h"
#include "crc16.h"
/*
* Macros for invoking data from MODBUS packet header
*/
#define MB_HDR(p, d) ( *(p + d) )
/*
* MODBUS frame lengths
*/
#define MB_EX_LEN 3
#define MB_MIN_LEN 4
#define MB_MAX_LEN 256
/*
* Macroses for word operations
*/
#define HIGH(w) ( (unsigned char)(((w) >> 8) & 0xff) )
#define LOW(w) ( (unsigned char)((w) & 0xff) )
#define WORD_WR_BE(p, w) do \
{ *(p) = (unsigned char)(((w) >> 8) & 0xff); \
*(p + 1) = (unsigned char)((w) & 0xff); } \
while (0);
#define WORD_RD_BE(p) ( (((unsigned short)*(p) << 8) & 0xff00) + \
(*(p + 1) & 0xff) )
#define WORD_WR_LE(p, w) do \
{ *(p) = (unsigned char)((w) & 0xff); \
*(p + 1) = (unsigned char)(((w) >> 8) & 0xff); } \
while (0);
#define WORD_RD_LE(p) ( (((unsigned short)*(p + 1) << 8) & 0xff00) + \
(*(p) & 0xff) )
/*
* MODBUS packet structure
*/
#define MB_TRANS_ID_H 0 /* transaction ID high byte */
#define MB_TRANS_ID_L 1 /* transaction ID low byte */
#define MB_PROTO_ID_H 2 /* protocol ID high byte */
#define MB_PROTO_ID_L 3 /* protocol ID low byte */
#define MB_LENGTH_H 4 /* length field high byte */
#define MB_LENGTH_L 5 /* length field low byte */
#define MB_UNIT_ID 6 /* unit identifier */
#define MB_FCODE 7 /* function code */
#define MB_DATA 8 /* MODBUS data */
/*
* Exception codes
*/
#define MB_EX_CRC 128
#define MB_EX_TIMEOUT 129
/* Prototypes */
int modbus_crc_correct(unsigned char *frame, unsigned int len);
void modbus_crc_write(unsigned char *frame, unsigned int len);
void modbus_ex_write(unsigned char *packet, unsigned char code);
int modbus_check_header(unsigned char *packet);
#endif /* _MODBUS_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* queue.c - Óonnections queue management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: queue.c,v 1.1 2003/09/13 20:38:39 kapyar Exp $
*/
#include "queue.h"
/*
* Queue structure initialization
*/
void
queue_init(queue_t *queue)
{
queue->beg = NULL;
queue->end = NULL;
queue->len = 0;
}
/*
* Add new element to queue
*/
conn_t *
queue_new_elem(queue_t *queue)
{
conn_t *newconn = (conn_t *)malloc(sizeof(conn_t));
if (!newconn)
{ /* Aborting program execution */
#ifdef LOG
log(0, "queue_new_elem(): out of memory for new element (%s)",
strerror(errno));
#endif
exit(errno);
}
newconn->next = NULL;
if ((newconn->prev = queue->end) != NULL)
queue->end->next = newconn;
else /* we add first element */
queue->beg = newconn;
queue->end = newconn;
queue->len++;
#ifdef DEBUG
log(5, "queue_new_elem(): length now is %d", queue->len);
#endif
return newconn;
}
/*
* Remove element from queue
*/
void
queue_delete_elem(queue_t *queue, conn_t *conn)
{
if (queue->len <= 0)
{ /* queue is empty */
#ifdef LOG
log(1, "queue_delete_elem(): queue empty!");
#endif
return;
}
if (conn->prev == NULL)
{ /* deleting first element */
if ((queue->beg = queue->beg->next) != NULL)
queue->beg->prev = NULL;
}
else
conn->prev->next = conn->next;
if (conn->next == NULL)
{ /* deleting last element */
if ((queue->end = queue->end->prev) != NULL)
queue->end->next = NULL;
}
else
conn->next->prev = conn->prev;
queue->len--;
free((void *)conn);
#ifdef DEBUG
log(5, "queue_delete_elem(): length now is %d", queue->len);
#endif
return;
}
/*
* Obtain pointer to next element in the QUEUE (with wrapping)
* Parameters: CONN - pointer to current queue element
* Return: pointer to next queue element
*/
conn_t *
queue_next_elem(queue_t *queue, conn_t *conn)
{
return (conn->next == NULL) ? queue->beg : conn->next;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* queue.h - Óonnections queue management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: queue.h,v 1.1 2003/09/13 20:38:39 kapyar Exp $
*/
#ifndef _QUEUE_H
#define _QUEUE_H
#include "globals.h"
#include "conn.h"
#ifdef LOG
#include "log.h"
#endif
/*
* Queue parameters structure
*/
typedef struct
{
conn_t *beg; /* address of first queue element */
conn_t *end; /* address of last queue element */
int len; /* number of elements in the queue */
} queue_t;
/* prototypes */
void queue_init(queue_t *queue);
conn_t *queue_new_elem(queue_t *queue);
void queue_delete_elem(queue_t *queue, conn_t *conn);
conn_t *queue_next_elem(queue_t *queue, conn_t *conn);
#endif /* _QUEUE_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* sig.c - signals management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: sig.c,v 1.1 2003/09/13 20:38:33 kapyar Exp $
*/
#include "sig.h"
#include "tty.h"
/* signal flag */
volatile sig_atomic_t sig_flag = 0;
/* internal prototypes */
void sig_bus(int signum);
void sig_segv(int signum);
void sig_handler(int signum);
/*
* Signal handler initialization
* Return: none
*/
void
sig_init(void)
{
struct sigaction sa;
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
sigaddset(&sa.sa_mask, SIGSEGV);
sigaddset(&sa.sa_mask, SIGBUS);
sigaddset(&sa.sa_mask, SIGTERM);
sigaddset(&sa.sa_mask, SIGHUP);
sigaddset(&sa.sa_mask, SIGINT);
sigaddset(&sa.sa_mask, SIGPIPE);
sigaddset(&sa.sa_mask, SIGCHLD);
sigaddset(&sa.sa_mask, SIGALRM);
sigaddset(&sa.sa_mask, SIGUSR1);
sigaddset(&sa.sa_mask, SIGUSR2);
sa.sa_handler = sig_segv;
sigaction(SIGSEGV, &sa, NULL);
sa.sa_handler = sig_bus;
sigaction(SIGBUS, &sa, NULL);
sa.sa_handler = sig_handler;
sigaction(SIGTERM, &sa, NULL);
sa.sa_handler = sig_handler;
sigaction(SIGHUP, &sa, NULL);
sa.sa_handler = sig_handler;
sigaction(SIGINT, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGCHLD, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGALRM, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGUSR1, &sa, NULL);
sa.sa_handler = SIG_IGN;
sigaction(SIGUSR2, &sa, NULL);
}
/*
* SIGSEGV signal handler
*/
void
sig_segv(int signum)
{
#ifndef SAFESIG
signum = signum; /* prevent compiler warning */
fprintf(stderr, "caught SIGSEGV, dumping core...");
fclose(stderr);
#endif
abort();
}
/*
* SIGBUS signal handler
*/
void
sig_bus(int signum)
{
#ifndef SAFESIG
signum = signum; /* prevent compiler warning */
fprintf(stderr, "caught SIGBUS, dumping core...");
fclose(stderr);
#endif
abort();
}
/*
* Unignored signals handler
*/
void
sig_handler(int signum)
{
#ifndef SAFESIG
tty_sighup();
#endif
sig_flag = signum;
}
/*
* Signal action execution
*/
void
sig_exec(void)
{
#ifdef LOG
static char *signames[] = {
"", "HUP", "INT", "QUIT", "ILL", "TRAP", "IOT", "BUS", "FPE",
"KILL", "USR1", "SEGV", "USR2", "PIPE", "ALRM", "TERM" };
log(2, "Terminated by signal: SIG%s", signames[sig_flag]);
#endif
/* currently simply exit the program */
exit(1);
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* sig.h - signals management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: sig.h,v 1.1 2003/09/13 20:38:39 kapyar Exp $
*/
#ifndef _SIG_H
#define _SIG_H
#include "globals.h"
#ifdef LOG
#include "log.h"
#endif
/* prototypes */
extern volatile sig_atomic_t sig_flag;
void sig_init(void);
void sig_exec(void);
#endif /* _SIG_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* sock.c - socket manipulation routines
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: sock.c,v 1.1 2003/09/13 20:38:45 kapyar Exp $
*/
#include "sock.h"
/*
* Bring i/o descriptor SD to BLKMODE (if non-zero - socket is nonblocking)
*
* Return: RC_ERR if there some errors
*/
int
sock_set_blkmode(int sd, int blkmode)
{
int flags;
flags = fcntl(sd, F_GETFL);
if (flags == -1) return -1;
flags = blkmode ? (flags | O_NONBLOCK) : (flags & ~O_NONBLOCK);
flags = fcntl(sd, F_SETFL, flags);
return flags;
}
/*
* Create new socket in BLKMODE mode (if non-zero - socket is nonblocking)
*
* Return: socket descriptor, otherwise RC_ERR if there some errors
*/
int
sock_create(int blkmode)
{
int sock;
if ((sock =
socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1)
{
#ifdef LOG
log(0, "sock_create(): unable to create socket (%s)",
strerror(errno));
#endif
return RC_ERR;
}
/* set socket to desired blocking mode */
if (sock_set_blkmode(sock, blkmode) == -1)
{
#ifdef LOG
log(0, "sock_create(): unable to set "
"server socket to nonblocking (%s)",
strerror(errno));
#endif
return RC_ERR;
}
return sock;
}
/*
* Create new server socket with SERVER_PORT, SERVER_IP -
* port and address to bind the socket,
* BLKMODE - blocking mode (if non-zero - socket is nonblocking)
*
* Return: socket descriptor, otherwise RC_ERR if there some errors
*/
int
sock_create_server(char *server_ip,
unsigned short server_port, int blkmode)
{
struct sockaddr_in server_sockaddr;
int sock_opt = 1;
int server_s;
/* create socket in desired blocking mode */
server_s = sock_create(blkmode);
if (server_s < 0) return server_s;
/* set to close socket on exec() */
if (fcntl(server_s, F_SETFD, 1) == -1)
{
#ifdef LOG
log(0, "sock_create_server():"
" can't set close-on-exec on socket (%s)",
strerror(errno));
#endif
return RC_ERR;
}
/* set reuse socket address */
if (setsockopt(server_s, SOL_SOCKET,
SO_REUSEADDR, (void *)&sock_opt,
sizeof(sock_opt)) == -1)
{
#ifdef LOG
log(0, "sock_create_server():"
" can't set socket to SO_REUSEADDR (%s)",
strerror(errno));
#endif
return RC_ERR;
}
/* ajust socket rx and tx buffer sizes */
sock_opt = SOCKBUFSIZE;
if ((setsockopt(server_s, SOL_SOCKET,
SO_SNDBUF, (void *)&sock_opt,
sizeof(sock_opt)) == -1) ||
(setsockopt(server_s, SOL_SOCKET,
SO_RCVBUF, (void *)&sock_opt,
sizeof(sock_opt)) == -1))
{
#ifdef LOG
log(0, "sock_create_server():"
" can't set socket TRX buffers sizes (%s)",
strerror(errno));
#endif
return RC_ERR;
}
memset(&server_sockaddr, 0, sizeof(server_sockaddr));
server_sockaddr.sin_family = AF_INET;
if (server_ip != NULL)
inet_aton(server_ip, &server_sockaddr.sin_addr);
else
server_sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
server_sockaddr.sin_port = htons(server_port);
if (bind(server_s, (struct sockaddr *) & server_sockaddr,
sizeof(server_sockaddr)) == -1)
{
#ifdef LOG
log(0, "sock_create_server():"
" unable to bind() socket (%s)",
strerror(errno));
#endif
return RC_ERR;
}
/* let's listen */
if (listen(server_s, BACKLOG) == -1)
{
#ifdef LOG
log(0, "sock_create_server():"
" unable to listen() on socket (%s)",
strerror(errno));
#endif
exit(errno);
}
return server_s;
}
/*
* Accept connection from SERVER_SD - server socket descriptor
* and create socket in BLKMODE blocking mode
* (if non-zero - socket is nonblocking)
*
* Return: socket descriptor, otherwise RC_ERR if there some errors;
* RMT_ADDR - ptr to connection info structure
*/
int
sock_accept(int server_sd, struct sockaddr_in *rmt_addr, int blkmode)
{
int sd, sock_opt = SOCKBUFSIZE;
int rmt_len = sizeof(struct sockaddr_in);
sd = accept(server_sd, (struct sockaddr *) rmt_addr,
(socklen_t *) &rmt_len);
if (sd == -1)
{
if (errno != EAGAIN && errno != EWOULDBLOCK)
/* some errors caused */
#ifdef LOG
log(0, "sock_accept(): error in accept() (%s)", strerror(errno));
#endif
return RC_ERR;
}
/* tune socket */
if (sock_set_blkmode(sd, blkmode) == RC_ERR)
{
#ifdef LOG
log(0, "sock_accept(): can't set socket blocking mode (%s)",
strerror(errno));
#endif
close(sd);
return RC_ERR;
}
/* ajust socket rx and tx buffer sizes */
if ((setsockopt(sd, SOL_SOCKET,
SO_SNDBUF, (void *)&sock_opt,
sizeof(sock_opt)) == -1) ||
(setsockopt(sd, SOL_SOCKET,
SO_RCVBUF, (void *)&sock_opt,
sizeof(sock_opt)) == -1))
{
#ifdef LOG
log(0, "sock_accept():"
" can't set socket TRX buffer sizes (%s)",
strerror(errno));
#endif
return RC_ERR;
}
return sd;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* sock.h - socket manipulation routines
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: sock.h,v 1.1 2003/09/13 20:38:45 kapyar Exp $
*/
#ifndef _SOCKUTILS_H
#define _SOCKUTILS_H
#include "globals.h"
#ifdef LOG
#include "log.h"
#endif
#define BACKLOG 5
/* Socket buffers size */
#define SOCKBUFSIZE 512
int sock_set_blkmode(int sd, int blkmode);
int sock_create(int blkmode);
int sock_create_server(char *server_ip,
unsigned short server_port, int blkmode);
int sock_accept(int server_sd,
struct sockaddr_in *rmt_addr, int blkmode);
#endif

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* state.c - state management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: state.c,v 1.1 2003/09/13 20:38:33 kapyar Exp $
*/
#include "state.h"
/*
* Search for first client connection in state STATE
* Parameters: CONN - ptr to queue element
* (if NULL - search from queue begin),
* QUEUE - ptr to the queue;
* Return: pointer to queue element
* or NULL if none found
*/
conn_t *
state_conn_search(queue_t *queue, conn_t *conn, int state)
{
int len = queue->len;
/* check for zero queue length */
if (!queue->len) return NULL;
if (conn == NULL)
conn = queue->beg;
else
conn = queue_next_elem(queue, conn);
while (len--)
{
if (conn->state == state)
return conn;
conn = queue_next_elem(queue, conn);
}
return NULL; /* none found */
}
/*
* Set connection CONN to STATE
*/
void
state_conn_set(conn_t *conn, int state)
{
switch (state)
{
case CONN_HEADER:
conn->ctr = 0;
#ifdef DEBUG
log(5, "conn[%s]: state now is CONN_HEADER",
inet_ntoa(conn->sockaddr.sin_addr));
#endif
break;
#ifdef DEBUG
case CONN_RQST:
log(5, "conn[%s]: state now is CONN_RQST",
inet_ntoa(conn->sockaddr.sin_addr));
break;
case CONN_TTY:
log(5, "conn[%s]: state now is CONN_TTY",
inet_ntoa(conn->sockaddr.sin_addr));
break;
#endif
case CONN_RESP:
conn->ctr = 0;
#ifdef DEBUG
log(5, "conn[%s]: state now is CONN_RESP",
inet_ntoa(conn->sockaddr.sin_addr));
#endif
break;
default:
/* unknown state, exiting */
#ifdef DEBUG
log(5, "conn_set_state([%s]) - invalid state (%d)",
inet_ntoa(conn->sockaddr.sin_addr), state);
#endif
exit (-1);
}
conn->state = state;
/* reset timeout value */
conn->timeout = cfg.conntimeout;
}
/*
* Set tty device to STATE
*/
void
state_tty_set(ttydata_t *mod, int state)
{
switch (state)
{
case TTY_PAUSE:
mod->trynum = 0;
mod->timer = (unsigned long)cfg.rqstpause * 1000l;
#ifdef DEBUG
log(5, "tty: state now is TTY_PAUSE");
#endif
break;
case TTY_READY:
mod->trynum = 0;
mod->timer = 0l;
#ifdef DEBUG
log(5, "tty: state now is TTY_READY");
#endif
break;
case TTY_RQST:
mod->ptrbuf = 0;
mod->timer = 0l;
mod->trynum = mod->trynum ? --mod->trynum : (unsigned)cfg.maxtry;
#ifdef DEBUG
log(5, "tty: state now is TTY_RQST");
#endif
#ifndef NOSILENT
tty_delay(DV(2, cfg.ttyspeed));
#endif
break;
case TTY_RESP:
mod->ptrbuf = 0;
/* XXX need real recv length? */
mod->rxlen = TTY_BUFSIZE;
mod->timer = cfg.respwait * 1000l + DV(mod->txlen, mod->speed);
#ifdef DEBUG
log(5, "tty: state now is TTY_RESP");
#endif
break;
default:
/* unknown state, exiting */
#ifdef DEBUG
log(5, "tty_set_state() - invalid state (%d)", state);
#endif
exit (-1);
}
mod->state = state;
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* state.h - state management procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: state.h,v 1.1 2003/09/13 20:38:45 kapyar Exp $
*/
#ifndef _STATE_H
#define _STATE_H
#include "globals.h"
#include "conn.h"
#include "tty.h"
#include "queue.h"
#include "cfg.h"
#ifdef LOG
#include "log.h"
#endif
/* prototypes */
conn_t *state_conn_search(queue_t *queue, conn_t *conn, int state);
void state_conn_set(conn_t *conn, int state);
void state_tty_set(ttydata_t *mod, int state);
#endif /* _STATE_H */

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* tty.c - terminal I/O related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: tty.c,v 1.1 2003/09/13 20:38:28 kapyar Exp $
*/
#include "tty.h"
extern cfg_t cfg;
static int tty_break;
/*
* Flag signal SIG
*/
void
tty_sighup(void)
{
tty_break = TRUE;
return;
}
/*
* Init serial link parameters MOD to PORT name, SPEED and TRXCNTL type
*/
void
#ifdef TRXCTL
tty_init(ttydata_t *mod, char *port, int speed, int trxcntl)
#else
tty_init(ttydata_t *mod, char *port, int speed)
#endif
{
mod->fd = -1;
mod->port = port;
mod->speed = speed;
#ifdef TRXCTL
mod->trxcntl = trxcntl;
#endif
}
#ifdef HAVE_LIBUTIL
char *tty_get_name(char *ttyfullname);
char *
tty_get_name(char *ttyfullname)
{
static char ttynamebuf[INTBUFSIZE + 1];
char *ttyname = ttynamebuf, *ttynameptr = ttyname;
strncpy(ttynamebuf, ttyfullname, INTBUFSIZE);
for (ttynameptr = strtok(ttynamebuf, "/");
ttynameptr;
ttynameptr = strtok(NULL, "/"))
{
ttyname = ttynameptr;
}
return ttyname;
}
#endif
/*
* Opening serial link whith parameters in MOD
*/
int
tty_open(ttydata_t *mod)
{
#ifdef HAVE_LIBUTIL
int buferr, uuerr;
char *ttyname = tty_get_name(mod->port);
#endif
if (mod->fd > 0)
return RC_AOPEN; /* if already open... */
tty_break = FALSE;
#ifdef HAVE_LIBUTIL
if ((uuerr = uu_lock(ttyname)) != UU_LOCK_OK)
{
buferr = errno;
#ifdef LOG
log(0, "uu_lock(): can't lock tty device %s (%s)",
ttyname, uu_lockerr(uuerr));
#endif
errno = buferr;
return RC_ERR;
}
#endif
mod->fd = open(mod->port, O_RDWR | O_NONBLOCK);
if (mod->fd < 0)
return RC_ERR; /* attempt failed */
return tty_set_attr(mod);
}
/*
* Setting up tty device MOD attributes
*/
int
tty_set_attr(ttydata_t *mod)
{
int flag;
if (tcgetattr(mod->fd, &mod->savedtios))
return RC_ERR;
memcpy(&mod->tios, &mod->savedtios, sizeof(mod->tios));
mod->tios.c_cflag &= ~(CSTOPB | PARENB | PARODD | CRTSCTS);
mod->tios.c_cflag |= CS8 | CREAD | CLOCAL;
mod->tios.c_iflag = FALSE;
mod->tios.c_oflag = FALSE;
mod->tios.c_lflag = FALSE;
mod->tios.c_cc[VTIME] = 0;
mod->tios.c_cc[VMIN] = 1;
cfsetspeed(&mod->tios, tty_transpeed(mod->speed));
if (tcsetattr(mod->fd, TCSANOW, &mod->tios))
return RC_ERR;
#if defined(TIOCSETA)
ioctl(mod->fd, TIOCSETA, &mod->tios);
#else
/* if TIOCSETA is not defined, try to fallback to TCSETA */
ioctl(mod->fd, TCSETA, &mod->tios);
#endif
tcflush(mod->fd, TCIOFLUSH);
#ifdef TRXCTL
tty_clr_rts(mod->fd);
#endif
flag = fcntl(mod->fd, F_GETFL, 0);
if (flag < 0)
return RC_ERR;
return fcntl(mod->fd, F_SETFL, flag | O_NONBLOCK);
}
/*
* Translate integer SPEED value to speed_t constant
*/
speed_t
tty_transpeed(int speed)
{
speed_t tspeed;
switch (speed)
{
case 0:
tspeed = B0;
break;
#if defined(B50)
case 50:
tspeed = B50;
break;
#endif
#if defined(B75)
case 75:
tspeed = B75;
break;
#endif
#if defined(B110)
case 110:
tspeed = B110;
break;
#endif
#if defined(B134)
case 134:
tspeed = B134;
break;
#endif
#if defined(B150)
case 150:
tspeed = B150;
break;
#endif
#if defined(B200)
case 200:
tspeed = B200;
break;
#endif
#if defined(B300)
case 300:
tspeed = B300;
break;
#endif
#if defined(B600)
case 600:
tspeed = B600;
break;
#endif
#if defined(B1200)
case 1200:
tspeed = B1200;
break;
#endif
#if defined(B1800)
case 1800:
tspeed = B1800;
break;
#endif
#if defined(B2400)
case 2400:
tspeed = B2400;
break;
#endif
#if defined(B4800)
case 4800:
tspeed = B4800;
break;
#endif
#if defined(B7200)
case 7200:
tspeed = B7200;
break;
#endif
#if defined(B9600)
case 9600:
tspeed = B9600;
break;
#endif
#if defined(B12000)
case 12000:
tspeed = B12000;
break;
#endif
#if defined(B14400)
case 14400:
tspeed = B14400;
break;
#endif
#if defined(B19200)
case 19200:
tspeed = B19200;
break;
#elif defined(EXTA)
case 19200:
tspeed = EXTA;
break;
#endif
#if defined(B38400)
case 38400:
tspeed = B38400;
break;
#elif defined(EXTB)
case 38400:
tspeed = EXTB;
break;
#endif
#if defined(B57600)
case 57600:
tspeed = B57600;
break;
#endif
#if defined(B115200)
case 115200:
tspeed = B115200;
break;
#endif
default:
tspeed = DEFAULT_BSPEED;
}
return tspeed;
}
/*
* Prepare tty device MOD to closing
*/
int
tty_cooked(ttydata_t *mod)
{
signal(SIGHUP, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
if (!isatty(mod->fd))
return RC_ERR;
if (tcsetattr(mod->fd, TCSAFLUSH, &mod->savedtios))
return RC_ERR;
return RC_OK;
}
/*
* Closing tty device MOD
*/
int
tty_close(ttydata_t *mod)
{
#ifdef HAVE_LIBUTIL
int buferr;
char *ttyname = tty_get_name(mod->port);
#endif
if (mod->fd < 0)
return RC_ACLOSE; /* already closed */
if (tty_cooked(mod))
return RC_ERR;
#ifdef HAVE_LIBUTIL
if (close(mod->fd))
return RC_ERR;
if (uu_unlock(ttyname))
{
buferr = errno;
#ifdef LOG
log(0, "uu_lock(): can't unlock tty device %s",
ttyname);
#endif
errno = buferr;
return RC_ERR;
}
return RC_OK;
#else
return close(mod->fd);
#endif
}
#ifdef TRXCTL
/* Set RTS line to active state */
void
tty_set_rts(int fd)
{
int mstat = TIOCM_RTS;
ioctl(fd, TIOCMBIS, &mstat);
}
/* Set RTS line to passive state */
void
tty_clr_rts(int fd)
{
int mstat = TIOCM_RTS;
ioctl(fd, TIOCMBIC, &mstat);
}
#endif
/*
* Delay for USEC microsecs
*/
void
tty_delay(int usec)
{
struct timeval tv, ttv;
long ts;
gettimeofday(&tv, NULL);
do
{
(void)gettimeofday(&ttv, NULL);
ts = 1000000 * (ttv.tv_sec - tv.tv_sec) + (ttv.tv_usec - tv.tv_usec);
} while (ts < usec && !tty_break);
}

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/*
* OpenMODBUS/TCP to RS-232/485 MODBUS RTU gateway
*
* tty.h - terminal I/O related procedures
*
* Copyright (c) 2002-2003, Victor Antonovich (avmlink@vlink.ru)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: tty.h,v 1.1 2003/09/13 20:38:28 kapyar Exp $
*/
#ifndef _TTY_H
#define _TTY_H
#include "globals.h"
#include "cfg.h"
/*
* Delay value calculation macros
*/
#define DV(x, y) (x * 10000000l / y)
/*
* Default tty port parameters
*/
#define DEFAULT_PORT "/dev/cuaa0"
#define DEFAULT_SPEED 19200
#define DEFAULT_BSPEED B19200
/*
* Maximum tty buffer size
*/
#define TTY_BUFSIZE 256
/*
* TRX control types
*/
#ifdef TRX_CTL
#define TRX_ADDC 0
#define TRX_RTS !TRX_ADDC
#endif
/*
* TTY device FSM states
*/
#define TTY_PAUSE 0
#define TTY_READY 1
#define TTY_RQST 2
#define TTY_RESP 3
/*
* TTY related data storage structure
*/
typedef struct
{
int fd; /* tty file descriptor */
int speed; /* serial port speed */
char *port; /* serial port device name */
#ifdef TRXCTL
int trxcntl; /* trx control type (0 - ADDC, RTS otherwise) */
#endif
struct termios tios; /* working termios structure */
struct termios savedtios; /* saved termios structure */
int state; /* current state */
unsigned int trynum; /* try counter */
unsigned long timer; /* time tracking variable */
unsigned int txlen; /* tx data length */
unsigned int rxlen; /* rx data length */
unsigned char ptrbuf; /* ptr in the buffer */
unsigned char txbuf[TTY_BUFSIZE]; /* transmitting buffer */
unsigned char rxbuf[TTY_BUFSIZE]; /* receiving buffer */
} ttydata_t;
/* prototypes */
void tty_sighup(void);
#ifdef TRXCTL
void tty_init(ttydata_t *mod, char *port, int speed, int trxcntl);
#else
void tty_init(ttydata_t *mod, char *port, int speed);
#endif
int tty_open(ttydata_t *mod);
int tty_set_attr(ttydata_t *mod);
speed_t tty_transpeed(int speed);
int tty_cooked(ttydata_t *mod);
int tty_close(ttydata_t *mod);
void tty_set_rts(int fd);
void tty_clr_rts(int fd);
void tty_delay(int usec);
#endif /* _TTY_H */

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