/*
* lib constructor
*/
static void __attribute__((constructor)) init()
{
/* Set default session group */
lttng_set_tracing_group(DEFAULT_TRACING_GROUP);
/* Set socket for health check */
(void) set_health_socket_path();
}
/*
* lib constructor
*/
static void __attribute__((constructor)) init()
{
/* Set default session group */
lttng_set_tracing_group(DEFAULT_TRACING_GROUP);
}
/*
* Parse command line arguments.
*
* Return 0 if OK, else -1
*/
static int parse_args(int argc, char **argv)
{
int opt, ret;
if (lttng_is_setuid_setgid()) {
ERR("'%s' is not allowed to be executed as a setuid/setgid binary for security reasons. Aborting.", argv[0]);
clean_exit(EXIT_FAILURE);
}
if (argc < 2) {
show_basic_help();
clean_exit(EXIT_FAILURE);
}
while ((opt = getopt_long(argc, argv, "+Vhnvqg:m:", long_options, NULL)) != -1) {
switch (opt) {
case 'V':
version(stdout);
ret = 0;
goto end;
case 'h':
ret = utils_show_man_page(1, "lttng");
if (ret) {
ERR("Cannot view man page lttng(1)");
perror("exec");
}
goto end;
case 'v':
/* There is only 3 possible level of verbosity. (-vvv) */
if (lttng_opt_verbose < 3) {
lttng_opt_verbose += 1;
}
break;
case 'q':
lttng_opt_quiet = 1;
break;
case 'm':
lttng_opt_mi = mi_output_type(optarg);
if (lttng_opt_mi < 0) {
ret = lttng_opt_mi;
goto error;
}
break;
case 'g':
lttng_set_tracing_group(optarg);
break;
case 'n':
opt_no_sessiond = 1;
break;
case OPT_SESSION_PATH:
free(opt_sessiond_path);
opt_sessiond_path = strdup(optarg);
if (!opt_sessiond_path) {
ret = -1;
goto error;
}
break;
case OPT_RELAYD_PATH:
free(opt_relayd_path);
opt_relayd_path = strdup(optarg);
if (!opt_relayd_path) {
ret = -1;
goto error;
}
break;
case OPT_DUMP_OPTIONS:
list_options(stdout);
ret = 0;
goto end;
case OPT_DUMP_COMMANDS:
list_commands(commands, stdout);
ret = 0;
goto end;
default:
ret = 1;
goto error;
}
}
/* If both options are specified, quiet wins */
if (lttng_opt_verbose && lttng_opt_quiet) {
lttng_opt_verbose = 0;
}
/* No leftovers, quit */
if ((argc - optind) == 0) {
ret = 1;
goto error;
}
/*
* Handle leftovers which is a first level command with the trailing
* options.
*/
ret = handle_command(argc - optind, argv + optind);
switch (ret) {
case CMD_WARNING:
WARN("Some command(s) went wrong");
break;
case CMD_ERROR:
ERR("Command error");
break;
case CMD_UNDEFINED:
ERR("Undefined command or invalid arguments");
break;
case CMD_FATAL:
ERR("Fatal error");
break;
case CMD_UNSUPPORTED:
ERR("Unsupported command");
break;
case -1:
ret = 1;
break;
case 0:
break;
default:
if (ret < 0) {
ret = -ret;
}
break;
}
end:
error:
return ret;
}
/*
* Parse command line arguments.
*
* Return 0 if OK, else -1
*/
static int parse_args(int argc, char **argv)
{
int opt, ret;
char *user;
if (argc < 2) {
usage(stderr);
clean_exit(EXIT_FAILURE);
}
while ((opt = getopt_long(argc, argv, "+Vhnvqg:m:", long_options, NULL)) != -1) {
switch (opt) {
case 'V':
version(stdout);
ret = 0;
goto end;
case 'h':
usage(stdout);
ret = 0;
goto end;
case 'v':
/* There is only 3 possible level of verbosity. (-vvv) */
if (lttng_opt_verbose < 3) {
lttng_opt_verbose += 1;
}
break;
case 'q':
lttng_opt_quiet = 1;
break;
case 'm':
lttng_opt_mi = mi_output_type(optarg);
if (lttng_opt_mi < 0) {
ret = lttng_opt_mi;
goto error;
}
break;
case 'g':
lttng_set_tracing_group(optarg);
break;
case 'n':
opt_no_sessiond = 1;
break;
case OPT_SESSION_PATH:
opt_sessiond_path = strdup(optarg);
break;
case OPT_RELAYD_PATH:
opt_relayd_path = strdup(optarg);
break;
case OPT_DUMP_OPTIONS:
list_options(stdout);
ret = 0;
goto end;
case OPT_DUMP_COMMANDS:
list_commands(commands, stdout);
ret = 0;
goto end;
default:
usage(stderr);
ret = 1;
goto error;
}
}
/* If both options are specified, quiet wins */
if (lttng_opt_verbose && lttng_opt_quiet) {
lttng_opt_verbose = 0;
}
/* Spawn session daemon if needed */
if (opt_no_sessiond == 0 && check_args_no_sessiond(argc, argv) == 0 &&
(check_sessiond() < 0)) {
ret = 1;
goto error;
}
/* No leftovers, print usage and quit */
if ((argc - optind) == 0) {
usage(stderr);
ret = 1;
goto error;
}
/* For Mathieu Desnoyers a.k.a. Dr. Tracing */
user = getenv("USER");
if (user != NULL && ((strncmp(progname, "drtrace", 7) == 0 ||
strncmp("compudj", user, 7) == 0))) {
MSG("%c[%d;%dmWelcome back Dr Tracing!%c[%dm\n", 27,1,33,27,0);
}
/* Thanks Mathieu */
/*
* Handle leftovers which is a first level command with the trailing
* options.
*/
ret = handle_command(argc - optind, argv + optind);
switch (ret) {
case CMD_WARNING:
WARN("Some command(s) went wrong");
break;
case CMD_ERROR:
ERR("Command error");
break;
case CMD_UNDEFINED:
ERR("Undefined command");
break;
case CMD_FATAL:
ERR("Fatal error");
break;
case CMD_UNSUPPORTED:
ERR("Unsupported command");
break;
case -1:
usage(stderr);
ret = 1;
break;
case 0:
break;
default:
if (ret < 0) {
ret = -ret;
}
break;
}
end:
error:
return ret;
}
/*
* Parse command line arguments.
*
* Return 0 if OK, else -1
*/
static int parse_args(int argc, char **argv)
{
int opt, ret;
if (argc < 2) {
usage(stderr);
clean_exit(EXIT_FAILURE);
}
while ((opt = getopt_long(argc, argv, "+Vhnvqg:", long_options, NULL)) != -1) {
switch (opt) {
case 'V':
version(stdout);
ret = 0;
goto end;
case 'h':
usage(stdout);
ret = 0;
goto end;
case 'v':
lttng_opt_verbose += 1;
break;
case 'q':
lttng_opt_quiet = 1;
break;
case 'g':
lttng_set_tracing_group(optarg);
break;
case 'n':
opt_no_sessiond = 1;
break;
case OPT_SESSION_PATH:
opt_sessiond_path = strdup(optarg);
break;
case OPT_DUMP_OPTIONS:
list_options(stdout);
ret = 0;
goto end;
case OPT_DUMP_COMMANDS:
list_commands(commands, stdout);
ret = 0;
goto end;
default:
usage(stderr);
ret = 1;
goto error;
}
}
/* If both options are specified, quiet wins */
if (lttng_opt_verbose && lttng_opt_quiet) {
lttng_opt_verbose = 0;
}
/* Spawn session daemon if needed */
if (opt_no_sessiond == 0 && check_args_no_sessiond(argc, argv) == 0 &&
(check_sessiond() < 0)) {
ret = 1;
goto error;
}
/* No leftovers, print usage and quit */
if ((argc - optind) == 0) {
usage(stderr);
ret = 1;
goto error;
}
/*
* Handle leftovers which is a first level command with the trailing
* options.
*/
ret = handle_command(argc - optind, argv + optind);
switch (ret) {
case CMD_WARNING:
WARN("Some command(s) went wrong");
break;
case CMD_ERROR:
ERR("Command error");
break;
case CMD_UNDEFINED:
ERR("Undefined command");
break;
case CMD_FATAL:
ERR("Fatal error");
break;
case CMD_UNSUPPORTED:
ERR("Unsupported command");
break;
case -1:
usage(stderr);
ret = 1;
break;
case 0:
break;
default:
if (ret < 0) {
ret = -ret;
}
break;
}
end:
error:
return ret;
}
