waveterm/cmd/generatewshclient/main-generatewshclient.go

87 lines
3.2 KiB
Go

// Copyright 2024, Command Line Inc.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"fmt"
"os"
"github.com/wavetermdev/thenextwave/pkg/util/utilfn"
"github.com/wavetermdev/thenextwave/pkg/wshrpc"
)
func genMethod_ResponseStream(fd *os.File, methodDecl *wshrpc.WshRpcMethodDecl) {
fmt.Fprintf(fd, "// command %q, wshserver.%s\n", methodDecl.Command, methodDecl.MethodName)
var dataType string
dataVarName := "nil"
if methodDecl.CommandDataType != nil {
dataType = ", data " + methodDecl.CommandDataType.String()
dataVarName = "data"
}
respType := "any"
if methodDecl.DefaultResponseDataType != nil {
respType = methodDecl.DefaultResponseDataType.String()
}
fmt.Fprintf(fd, "func %s(w *wshutil.WshRpc%s, opts *wshrpc.WshRpcCommandOpts) chan wshrpc.RespOrErrorUnion[%s] {\n", methodDecl.MethodName, dataType, respType)
fmt.Fprintf(fd, " return sendRpcRequestResponseStreamHelper[%s](w, %q, %s, opts)\n", respType, methodDecl.Command, dataVarName)
fmt.Fprintf(fd, "}\n\n")
}
func genMethod_Call(fd *os.File, methodDecl *wshrpc.WshRpcMethodDecl) {
fmt.Fprintf(fd, "// command %q, wshserver.%s\n", methodDecl.Command, methodDecl.MethodName)
var dataType string
dataVarName := "nil"
if methodDecl.CommandDataType != nil {
dataType = ", data " + methodDecl.CommandDataType.String()
dataVarName = "data"
}
returnType := "error"
respName := "_"
tParamVal := "any"
if methodDecl.DefaultResponseDataType != nil {
returnType = "(" + methodDecl.DefaultResponseDataType.String() + ", error)"
respName = "resp"
tParamVal = methodDecl.DefaultResponseDataType.String()
}
fmt.Fprintf(fd, "func %s(w *wshutil.WshRpc%s, opts *wshrpc.WshRpcCommandOpts) %s {\n", methodDecl.MethodName, dataType, returnType)
fmt.Fprintf(fd, " %s, err := sendRpcRequestCallHelper[%s](w, %q, %s, opts)\n", respName, tParamVal, methodDecl.Command, dataVarName)
if methodDecl.DefaultResponseDataType != nil {
fmt.Fprintf(fd, " return resp, err\n")
} else {
fmt.Fprintf(fd, " return err\n")
}
fmt.Fprintf(fd, "}\n\n")
}
func main() {
fd, err := os.Create("pkg/wshrpc/wshclient/wshclient.go")
if err != nil {
panic(err)
}
defer fd.Close()
fmt.Fprintf(os.Stderr, "generating wshclient file to %s\n", fd.Name())
fmt.Fprintf(fd, "// Copyright 2024, Command Line Inc.\n")
fmt.Fprintf(fd, "// SPDX-License-Identifier: Apache-2.0\n\n")
fmt.Fprintf(fd, "// generated by cmd/generatewshclient/main-generatewshclient.go\n\n")
fmt.Fprintf(fd, "package wshclient\n\n")
fmt.Fprintf(fd, "import (\n")
fmt.Fprintf(fd, " \"github.com/wavetermdev/thenextwave/pkg/wshutil\"\n")
fmt.Fprintf(fd, " \"github.com/wavetermdev/thenextwave/pkg/wshrpc\"\n")
fmt.Fprintf(fd, " \"github.com/wavetermdev/thenextwave/pkg/waveobj\"\n")
fmt.Fprintf(fd, ")\n\n")
wshDeclMap := wshrpc.GenerateWshCommandDeclMap()
for _, key := range utilfn.GetOrderedMapKeys(wshDeclMap) {
methodDecl := wshDeclMap[key]
if methodDecl.CommandType == wshrpc.RpcType_ResponseStream {
genMethod_ResponseStream(fd, methodDecl)
} else if methodDecl.CommandType == wshrpc.RpcType_Call {
genMethod_Call(fd, methodDecl)
} else {
panic("unsupported command type " + methodDecl.CommandType)
}
}
fmt.Fprintf(fd, "\n")
}