X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fstop.cpp;h=ce66b096a7e591ee4248fd60ed54bbdebc3ebe17;hb=2a8d72ed132b6c6034abcbfa76e06aef2358575c;hp=6107dc15808abd883c08c0de245e3a80ed2d18b3;hpb=c9e313bc594f40a86eed237dce222c0fc99c957f;p=lttng-tools.git diff --git a/src/bin/lttng/commands/stop.cpp b/src/bin/lttng/commands/stop.cpp index 6107dc158..ce66b096a 100644 --- a/src/bin/lttng/commands/stop.cpp +++ b/src/bin/lttng/commands/stop.cpp @@ -6,6 +6,13 @@ */ #define _LGPL_SOURCE +#include "../command.hpp" +#include "../utils.hpp" + +#include +#include +#include + #include #include #include @@ -14,38 +21,36 @@ #include #include -#include -#include - -#include "../command.hpp" - -static char *opt_session_name; static int opt_no_wait; static struct mi_writer *writer; #ifdef LTTNG_EMBED_HELP static const char help_msg[] = #include -; + ; #endif enum { OPT_HELP = 1, OPT_LIST_OPTIONS, + OPT_ENABLE_GLOB, + OPT_ALL, }; static struct poptOption long_options[] = { /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ - {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, - {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, - {"no-wait", 'n', POPT_ARG_VAL, &opt_no_wait, 1, 0, 0}, - {0, 0, 0, 0, 0, 0, 0} + { "help", 'h', POPT_ARG_NONE, nullptr, OPT_HELP, nullptr, nullptr }, + { "list-options", 0, POPT_ARG_NONE, nullptr, OPT_LIST_OPTIONS, nullptr, nullptr }, + { "no-wait", 'n', POPT_ARG_VAL, &opt_no_wait, 1, nullptr, nullptr }, + { "glob", 'g', POPT_ARG_NONE, nullptr, OPT_ENABLE_GLOB, nullptr, nullptr }, + { "all", 'a', POPT_ARG_NONE, nullptr, OPT_ALL, nullptr, nullptr }, + { nullptr, 0, 0, nullptr, 0, nullptr, nullptr } }; /* * Mi print of partial session */ -static int mi_print_session(char *session_name, int enabled) +static int mi_print_session(const char *session_name, int enabled) { int ret; LTTNG_ASSERT(writer); @@ -58,15 +63,13 @@ static int mi_print_session(char *session_name, int enabled) } /* Print session name element */ - ret = mi_lttng_writer_write_element_string(writer, config_element_name, - session_name); + ret = mi_lttng_writer_write_element_string(writer, config_element_name, session_name); if (ret) { goto end; } /* Is enabled ? */ - ret = mi_lttng_writer_write_element_bool(writer, config_element_enabled, - enabled); + ret = mi_lttng_writer_write_element_bool(writer, config_element_enabled, enabled); if (ret) { goto end; } @@ -81,20 +84,9 @@ end: /* * Start tracing for all trace of the session. */ -static int stop_tracing(void) +static int stop_tracing(const char *session_name) { int ret; - char *session_name; - - if (opt_session_name == NULL) { - session_name = get_session_name(); - if (session_name == NULL) { - ret = CMD_ERROR; - goto error; - } - } else { - session_name = opt_session_name; - } ret = lttng_stop_tracing_no_wait(session_name); if (ret < 0) { @@ -106,7 +98,7 @@ static int stop_tracing(void) ERR("%s", lttng_strerror(ret)); break; } - goto free_name; + goto error; } if (!opt_no_wait) { @@ -116,7 +108,7 @@ static int stop_tracing(void) ret = lttng_data_pending(session_name); if (ret < 0) { /* Return the data available call error. */ - goto free_name; + goto error; } /* @@ -138,17 +130,27 @@ static int stop_tracing(void) MSG("Tracing stopped for session %s", session_name); if (lttng_opt_mi) { ret = mi_print_session(session_name, 0); - if (ret) { - goto free_name; - } } +error: + return ret; +} + +static int stop_tracing(const struct session_spec& spec) +{ + int ret = CMD_SUCCESS; -free_name: - if (opt_session_name == NULL) { - free(session_name); + try { + for (const auto& session : list_sessions(spec)) { + int const sub_ret = stop_tracing(session.name); + + if (sub_ret != CMD_SUCCESS) { + ret = sub_ret; + } + } + } catch (lttng::ctl::error& error) { + ret = error.code(); } -error: return ret; } @@ -161,9 +163,13 @@ int cmd_stop(int argc, const char **argv) { int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1; static poptContext pc; - const char *leftover = NULL; + const char *leftover = nullptr; + struct session_spec session_spec = { + .type = session_spec::NAME, + .value = nullptr, + }; - pc = poptGetContext(NULL, argc, argv, long_options, 0); + pc = poptGetContext(nullptr, argc, argv, long_options, 0); poptReadDefaultConfig(pc, 0); while ((opt = poptGetNextOpt(pc)) != -1) { @@ -174,6 +180,12 @@ int cmd_stop(int argc, const char **argv) case OPT_LIST_OPTIONS: list_cmd_options(stdout, long_options); goto end; + case OPT_ENABLE_GLOB: + session_spec.type = session_spec::GLOB_PATTERN; + break; + case OPT_ALL: + session_spec.type = session_spec::ALL; + break; default: ret = CMD_UNDEFINED; goto end; @@ -189,16 +201,14 @@ int cmd_stop(int argc, const char **argv) } /* Open command element */ - ret = mi_lttng_writer_command_open(writer, - mi_lttng_element_command_stop); + ret = mi_lttng_writer_command_open(writer, mi_lttng_element_command_stop); if (ret) { ret = CMD_ERROR; goto end; } /* Open output element */ - ret = mi_lttng_writer_open_element(writer, - mi_lttng_element_command_output); + ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command_output); if (ret) { ret = CMD_ERROR; goto end; @@ -208,15 +218,14 @@ int cmd_stop(int argc, const char **argv) * Open sessions element * For validation */ - ret = mi_lttng_writer_open_element(writer, - config_element_sessions); + ret = mi_lttng_writer_open_element(writer, config_element_sessions); if (ret) { ret = CMD_ERROR; goto end; } } - opt_session_name = (char*) poptGetArg(pc); + session_spec.value = poptGetArg(pc); leftover = poptGetArg(pc); if (leftover) { @@ -225,7 +234,7 @@ int cmd_stop(int argc, const char **argv) goto end; } - command_ret = stop_tracing(); + command_ret = stop_tracing(session_spec); if (command_ret) { success = 0; } @@ -240,8 +249,8 @@ int cmd_stop(int argc, const char **argv) } /* Success ? */ - ret = mi_lttng_writer_write_element_bool(writer, - mi_lttng_element_command_success, success); + ret = mi_lttng_writer_write_element_bool( + writer, mi_lttng_element_command_success, success); if (ret) { ret = CMD_ERROR; goto end;