check psrpc compiler version (#489)

* check psrpc compiler version

* fix

magefile.go

@@ -26,6 +26,7 @@ import (
 	"path/filepath"
 
 	"github.com/livekit/mageutil"
+	"github.com/livekit/protocol/psrpc"
 )
 
 var Default = Proto
@@ -141,6 +142,9 @@ func Proto() error {
 	if err != nil {
 		return err
 	}
+	if err := psrpc.CheckCompilerVersion(psrpcPath); err != nil {
+		return err
+	}
 
 	args = append([]string{
 		"--go_out", ".",

psrpc/compilercheck.go

@@ -0,0 +1,36 @@
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package psrpc
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+
+	"github.com/livekit/psrpc/version"
+)
+
+func CheckCompilerVersion(path string) error {
+	b, err := exec.Command(path, "--version").Output()
+	if err != nil {
+		return err
+	}
+
+	b = bytes.Trim(b, "\r\n")
+	if string(b) != version.Version {
+		return fmt.Errorf("found psrpc compiler version %s need %s. please run:\ngo install github.com/livekit/psrpc/protoc-gen-psrpc", string(b), version.Version)
+	}
+	return nil
+}

psrpc/logging.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package middleware
+package psrpc
 
 import (
 	"context"

psrpc/metrics.go

@@ -1,4 +1,18 @@
-package middleware
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package psrpc
 
 import (
 	"time"