expose request path to runOn commands as an environment variable

client.go

@@ -829,6 +829,9 @@ func (c *client) runPlay(path string) {
 	var onReadCmd *exec.Cmd
 	if confp.RunOnRead != "" {
 		onReadCmd = exec.Command("/bin/sh", "-c", confp.RunOnRead)
+		onReadCmd.Env = append(os.Environ(),
+			"RTSP_SERVER_PATH="+path,
+		)
 		onReadCmd.Stdout = os.Stdout
 		onReadCmd.Stderr = os.Stderr
 		err := onReadCmd.Start()
@@ -928,6 +931,9 @@ func (c *client) runRecord(path string) {
 	var onPublishCmd *exec.Cmd
 	if confp.RunOnPublish != "" {
 		onPublishCmd = exec.Command("/bin/sh", "-c", confp.RunOnPublish)
+		onPublishCmd.Env = append(os.Environ(),
+			"RTSP_SERVER_PATH="+path,
+		)
 		onPublishCmd.Stdout = os.Stdout
 		onPublishCmd.Stderr = os.Stderr
 		err := onPublishCmd.Start()

main.go

@@ -260,9 +260,12 @@ func newProgram(args []string, stdin io.Reader) (*program, error) {
 		return nil, err
 	}
 
-	for _, confp := range conf.Paths {
+	for path, confp := range conf.Paths {
 		if confp.RunOnInit != "" {
 			onInitCmd := exec.Command("/bin/sh", "-c", confp.RunOnInit)
+			onInitCmd.Env = append(os.Environ(),
+				"RTSP_SERVER_PATH="+path,
+			)
 			onInitCmd.Stdout = os.Stdout
 			onInitCmd.Stderr = os.Stderr
 			err := onInitCmd.Start()

path.go

@@ -122,6 +122,9 @@ func (pa *path) describe(client *client) {
 
 				pa.lastActivation = time.Now()
 				pa.onDemandCmd = exec.Command("/bin/sh", "-c", pa.confp.RunOnDemand)
+				pa.onDemandCmd.Env = append(os.Environ(),
+					"RTSP_SERVER_PATH="+pa.id,
+				)
 				pa.onDemandCmd.Stdout = os.Stdout
 				pa.onDemandCmd.Stderr = os.Stderr
 				err := pa.onDemandCmd.Start()

rtsp-simple-server.yml

@@ -43,19 +43,26 @@ paths:
     # command to run when this path is loaded by the program.
     # this can be used, for example, to publish a stream and keep it always opened.
     # This is terminated with SIGINT when the program closes.
+    # The path is available as an environment variable $RTSP_SERVER_PATH
     runOnInit:
 
     # command to run when this path is requested.
     # This can be used, for example, to publish a stream on demand.
     # This is terminated with SIGINT when the path is not requested anymore.
+    # The actual path from the request (useful for wildcard paths) is available as an
+    # environment variable $RTSP_SERVER_PATH
     runOnDemand:
 
     # command to run when a client starts publishing.
     # This is terminated with SIGINT when a client stops publishing.
+    # The actual path from the client (useful for wildcard paths) is available as an
+    # environment variable $RTSP_SERVER_PATH
     runOnPublish:
 
     # command to run when a clients starts reading.
     # This is terminated with SIGINT when a client stops reading.
+    # The actual path from the client (useful for wildcard paths) is available as an
+    # environment variable $RTSP_SERVER_PATH
     runOnRead:
 
     # username required to publish