diff --git a/DEVELOP.md b/DEVELOP.md index fb8ab91d..92c3ce87 100644 --- a/DEVELOP.md +++ b/DEVELOP.md @@ -268,3 +268,33 @@ For more details, go read the code! If you find a bug, or have an awesome idea to implement, please discuss and contribute ;-) + + +### Debug the server + +The server is pushed to the device by the client on startup. + +To debug it, enable the server debugger during configuration: + +```bash +meson x -Dserver_debugger=true +# or, if x is already configured +meson configure x -Dserver_debugger=true +``` + +Then recompile. + +When you start scrcpy, it will start a debugger on port 5005 on the device. +Redirect that port to the computer: + +```bash +adb forward tcp:5005 tcp:5005 +``` + +In Android Studio, _Run_ > _Debug_ > _Edit configurations..._ On the left, click on +`+`, _Remote_, and fill the form: + + - Host: `localhost` + - Port: `5005` + +Then click on _Debug_. diff --git a/app/meson.build b/app/meson.build index 95587980..145e0ef6 100644 --- a/app/meson.build +++ b/app/meson.build @@ -115,6 +115,9 @@ conf.set('HIDPI_SUPPORT', get_option('hidpi_support')) # disable console on Windows conf.set('WINDOWS_NOCONSOLE', get_option('windows_noconsole')) +# run a server debugger and wait for a client to be attached +conf.set('SERVER_DEBUGGER', get_option('server_debugger')) + configure_file(configuration: conf, output: 'config.h') src_dir = include_directories('src') diff --git a/app/src/server.c b/app/src/server.c index 4fe65402..de61001f 100644 --- a/app/src/server.c +++ b/app/src/server.c @@ -124,6 +124,11 @@ execute_server(struct server *server, const struct server_params *params) { "shell", "CLASSPATH=/data/local/tmp/" SERVER_FILENAME, "app_process", +#ifdef SERVER_DEBUGGER +# define SERVER_DEBUGGER_PORT "5005" + "-agentlib:jdwp=transport=dt_socket,suspend=y,server=y,address=" + SERVER_DEBUGGER_PORT, +#endif "/", // unused "com.genymobile.scrcpy.Server", max_size_string, @@ -133,6 +138,17 @@ execute_server(struct server *server, const struct server_params *params) { "true", // always send frame meta (packet boundaries + timestamp) params->control ? "true" : "false", }; +#ifdef SERVER_DEBUGGER + LOGI("Server debugger waiting for a client on device port " + SERVER_DEBUGGER_PORT "..."); + // From the computer, run + // adb forward tcp:5005 tcp:5005 + // Then, from Android Studio: Run > Debug > Edit configurations... + // On the left, click on '+', "Remote", with: + // Host: localhost + // Port: 5005 + // Then click on "Debug" +#endif return adb_execute(server->serial, cmd, sizeof(cmd) / sizeof(cmd[0])); } diff --git a/meson_options.txt b/meson_options.txt index 84889597..4cf4a8bf 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -5,3 +5,4 @@ option('windows_noconsole', type: 'boolean', value: false, description: 'Disable option('prebuilt_server', type: 'string', description: 'Path of the prebuilt server') option('portable', type: 'boolean', value: false, description: 'Use scrcpy-server from the same directory as the scrcpy executable') option('hidpi_support', type: 'boolean', value: true, description: 'Enable High DPI support') +option('server_debugger', type: 'boolean', value: false, description: 'Run a server debugger and wait for a client to be attached')