Support Windows Builds (#54)

This adds support for windows builds. With it, the app can successfully
run on windows and unix systems. Note that the terminal still only works
on unix systems at this time.

Taskfile.yml

@@ -32,12 +32,12 @@ tasks:
 
     build:server:
         cmds:
-            - go build -o dist/bin/wavesrv cmd/server/main-server.go
+            - go build -o dist/bin/wavesrv{{exeExt}} cmd/server/main-server.go
         sources:
             - "cmd/server/*.go"
             - "pkg/**/*.go"
         generates:
-            - dist/bin/wavesrv
+            - dist/bin/wavesrv{{exeExt}}
         deps:
             - go:mod:tidy
 

cmd/server/main-server.go

@@ -9,6 +9,7 @@ import (
 	"log"
 	"os"
 	"os/signal"
+
 	"runtime"
 	"strconv"
 	"sync"
@@ -80,6 +81,12 @@ func main() {
 		log.Printf("error acquiring wave lock (another instance of Wave is likely running): %v\n", err)
 		return
 	}
+	defer func() {
+		err = waveLock.Unlock()
+		if err != nil {
+			log.Printf("error releasing wave lock: %v\n", err)
+		}
+	}()
 
 	log.Printf("wave home dir: %s\n", wavebase.GetWaveHomeDir())
 	err = filestore.InitFilestore()
@@ -105,9 +112,9 @@ func main() {
 		time.Sleep(30 * time.Millisecond)
 		pidStr := os.Getenv(ReadySignalPidVarName)
 		if pidStr != "" {
-			pid, err := strconv.Atoi(pidStr)
+			_, err := strconv.Atoi(pidStr)
 			if err == nil {
-				syscall.Kill(pid, syscall.SIGUSR1)
+				log.Printf("WAVESRV-ESTART\n")
 			}
 		}
 	}()

emain/emain.ts

@@ -7,6 +7,8 @@ import * as path from "path";
 import * as readline from "readline";
 import { debounce } from "throttle-debounce";
 import * as services from "../frontend/app/store/services";
+import os from "os";
+import fs from "fs";
 
 const electronApp = electron.app;
 const isDev = process.env.WAVETERM_DEV;
@@ -23,6 +25,7 @@ let waveSrvReadyResolve = (value: boolean) => {};
 let waveSrvReady: Promise<boolean> = new Promise((resolve, _) => {
     waveSrvReadyResolve = resolve;
 });
+
 let waveSrvProc: child_process.ChildProcessWithoutNullStreams | null = null;
 electronApp.setName(isDev ? "NextWave (Dev)" : "NextWave");
 const unamePlatform = process.platform;
@@ -40,7 +43,7 @@ function getBaseHostPort(): string {
 
 // must match golang
 function getWaveHomeDir() {
-    return path.join(process.env.HOME, ".w2");
+    return path.join(os.homedir(), ".w2");
 }
 
 function getElectronAppBasePath(): string {
@@ -60,6 +63,11 @@ function getWaveSrvPath(): string {
     return path.join(getGoAppBasePath(), "bin", "wavesrv");
 }
 
+function getWaveSrvPathWin(): string {
+    const appPath = path.join(getGoAppBasePath(), "bin", "wavesrv.exe");
+	return `& "${appPath}"`
+}
+
 function getWaveSrvCwd(): string {
     return getWaveHomeDir();
 }
@@ -77,7 +85,12 @@ function runWaveSrv(): Promise<boolean> {
         envCopy[WaveDevVarName] = "1";
     }
     envCopy[WaveSrvReadySignalPidVarName] = process.pid.toString();
-    const waveSrvCmd = getWaveSrvPath();
+	let waveSrvCmd: string;
+	if (process.platform === "win32") {
+		waveSrvCmd = getWaveSrvPathWin();
+	} else {
+    	waveSrvCmd = getWaveSrvPath();
+	}
     console.log("trying to run local server", waveSrvCmd);
     const proc = child_process.spawn(getWaveSrvPath(), {
         cwd: getWaveSrvCwd(),
@@ -108,6 +121,10 @@ function runWaveSrv(): Promise<boolean> {
         terminal: false,
     });
     rlStderr.on("line", (line) => {
+		if (line.includes("WAVESRV-ESTART")) {
+			waveSrvReadyResolve(true);
+			return;
+		}
         console.log(line);
     });
     return rtnPromise;
@@ -232,11 +249,6 @@ electron.ipcMain.on("isDevServer", () => {
     return isDevServer;
 });
 
-process.on("SIGUSR1", function () {
-    ``;
-    waveSrvReadyResolve(true);
-});
-
 (async () => {
     const startTs = Date.now();
     const instanceLock = electronApp.requestSingleInstanceLock();
@@ -245,16 +257,21 @@ process.on("SIGUSR1", function () {
         electronApp.quit();
         return;
     }
+	const waveHomeDir = getWaveHomeDir();
+	if (!fs.existsSync(waveHomeDir)) {
+		fs.mkdirSync(waveHomeDir);
+	}
     try {
         await runWaveSrv();
     } catch (e) {
         console.log(e.toString());
     }
-    console.log("waiting for wavesrv ready signal (SIGUSR1)");
     const ready = await waveSrvReady;
     console.log("wavesrv ready signal received", ready, Date.now() - startTs, "ms");
 
-    let clientData = await services.ClientService.GetClientData();
+    console.log("get client data");
+    let clientData = await services.ClientService.GetClientData().catch(e => console.log(e)) as Client;
+    console.log("client data ready");
     let windowData: WaveWindow = (await services.ObjectService.GetObject(
         "window:" + clientData.mainwindowid
     )) as WaveWindow;

go.mod

@@ -5,6 +5,7 @@ go 1.22
 toolchain go1.22.1
 
 require (
+	github.com/alexflint/go-filemutex v1.3.0
 	github.com/creack/pty v1.1.18
 	github.com/golang-migrate/migrate/v4 v4.17.1
 	github.com/google/uuid v1.4.0
@@ -17,7 +18,6 @@ require (
 	github.com/sawka/txwrap v0.2.0
 	github.com/spf13/cobra v1.8.0
 	github.com/wavetermdev/waveterm/wavesrv v0.0.0-20240508181017-d07068c09d94
-	golang.org/x/sys v0.20.0
 	golang.org/x/term v0.17.0
 )
 
@@ -29,4 +29,5 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/stretchr/testify v1.8.4 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
 )

go.sum

@@ -1,5 +1,7 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/alexflint/go-filemutex v1.3.0 h1:LgE+nTUWnQCyRKbpoceKZsPQbs84LivvgwUymZXdOcM=
+github.com/alexflint/go-filemutex v1.3.0/go.mod h1:U0+VA/i30mGBlLCrFPGtTe9y6wGQfNAWPBTekHQ+c8A=
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
 github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
@@ -46,16 +48,19 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/wavetermdev/waveterm/wavesrv v0.0.0-20240508181017-d07068c09d94 h1:/SPCxd4KHlS4eRTreYEXWFRr8WfRFBcChlV5cgkaO58=
 github.com/wavetermdev/waveterm/wavesrv v0.0.0-20240508181017-d07068c09d94/go.mod h1:ywoo7DXdYueQ0tTPhVoB+wzRTgERSE19EA3mR6KGRaI=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.17.0 h1:mkTF7LCd6WGJNL3K1Ad7kwxNfYAW6a8a8QqtMblp/4U=
 golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/filestore/blockstore_dbsetup.go

@@ -10,7 +10,7 @@ import (
 	"context"
 	"fmt"
 	"log"
-	"path"
+	"path/filepath"
 	"time"
 
 	"github.com/wavetermdev/thenextwave/pkg/util/migrateutil"
@@ -51,7 +51,7 @@ func InitFilestore() error {
 
 func GetDBName() string {
 	waveHome := wavebase.GetWaveHomeDir()
-	return path.Join(waveHome, FilestoreDBName)
+	return filepath.Join(waveHome, FilestoreDBName)
 }
 
 func MakeDB(ctx context.Context) (*sqlx.DB, error) {

pkg/wavebase/wavebase.go

@@ -11,21 +11,19 @@ import (
 	"log"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
 	"runtime"
 	"strings"
 	"sync"
 	"time"
 
-	"golang.org/x/sys/unix"
+	"github.com/alexflint/go-filemutex"
 )
 
 const WaveVersion = "v0.1.0"
 const DefaultWaveHome = "~/.w2"
 const WaveHomeVarName = "WAVETERM_HOME"
 const WaveDevVarName = "WAVETERM_DEV"
-const HomeVarName = "HOME"
 const WaveLockFile = "waveterm.lock"
 
 var baseLock = &sync.Mutex{}
@@ -37,8 +35,8 @@ func IsDevMode() bool {
 }
 
 func GetHomeDir() string {
-	homeVar := os.Getenv(HomeVarName)
+	homeVar, err := os.UserHomeDir()
-	if homeVar == "" {
+	if err != nil {
 		return "/"
 	}
 	return homeVar
@@ -52,7 +50,7 @@ func ExpandHomeDir(pathStr string) string {
 	if pathStr == "~" {
 		return homeDir
 	}
-	return path.Join(homeDir, pathStr[2:])
+	return filepath.Join(homeDir, pathStr[2:])
 }
 
 func ReplaceHomeDir(pathStr string) string {
@@ -142,18 +140,16 @@ func DetermineLang() string {
 	return osLang
 }
 
-func AcquireWaveLock() (*os.File, error) {
+func AcquireWaveLock() (*filemutex.FileMutex, error) {
 	homeDir := GetWaveHomeDir()
 	lockFileName := filepath.Join(homeDir, WaveLockFile)
 	log.Printf("[base] acquiring lock on %s\n", lockFileName)
-	fd, err := os.OpenFile(lockFileName, os.O_RDWR|os.O_CREATE, 0600)
+	m, err := filemutex.New(lockFileName)
 	if err != nil {
 		return nil, err
 	}
-	err = unix.Flock(int(fd.Fd()), unix.LOCK_EX|unix.LOCK_NB)
+
-	if err != nil {
+	err = m.TryLock()
-		fd.Close()
+	return m, err
-		return nil, err
+
-	}
-	return fd, nil
 }

pkg/wstore/wstore_dbsetup.go

@@ -7,7 +7,7 @@ import (
 	"context"
 	"fmt"
 	"log"
-	"path"
+	"path/filepath"
 	"time"
 
 	"github.com/jmoiron/sqlx"
@@ -42,7 +42,7 @@ func InitWStore() error {
 
 func GetDBName() string {
 	waveHome := wavebase.GetWaveHomeDir()
-	return path.Join(waveHome, WStoreDBName)
+	return filepath.Join(waveHome, WStoreDBName)
 }
 
 func MakeDB(ctx context.Context) (*sqlx.DB, error) {