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|
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
#include <pulse/xmalloc.h>
#include <pulse/util.h>
#include <pulsecore/core-util.h>
#include <pulsecore/i18n.h>
#include <pulsecore/strbuf.h>
#include <pulsecore/macro.h>
#include "cmdline.h"
/* Argument codes for getopt_long() */
enum {
ARG_HELP = 256,
ARG_VERSION,
ARG_DUMP_CONF,
ARG_DUMP_MODULES,
ARG_DAEMONIZE,
ARG_FAIL,
ARG_LOG_LEVEL,
ARG_HIGH_PRIORITY,
ARG_REALTIME,
ARG_DISALLOW_MODULE_LOADING,
ARG_DISALLOW_EXIT,
ARG_EXIT_IDLE_TIME,
ARG_SCACHE_IDLE_TIME,
ARG_LOG_TARGET,
ARG_LOG_META,
ARG_LOG_TIME,
ARG_LOG_BACKTRACE,
ARG_LOAD,
ARG_FILE,
ARG_DL_SEARCH_PATH,
ARG_RESAMPLE_METHOD,
ARG_KILL,
ARG_USE_PID_FILE,
ARG_CHECK,
ARG_NO_CPU_LIMIT,
ARG_DISABLE_SHM,
ARG_ENABLE_MEMFD,
ARG_DUMP_RESAMPLE_METHODS,
ARG_SYSTEM,
ARG_CLEANUP_SHM,
ARG_START
};
/* Table for getopt_long() */
static const struct option long_options[] = {
{"help", 0, 0, ARG_HELP},
{"version", 0, 0, ARG_VERSION},
{"dump-conf", 0, 0, ARG_DUMP_CONF},
{"dump-modules", 0, 0, ARG_DUMP_MODULES},
{"daemonize", 2, 0, ARG_DAEMONIZE},
{"fail", 2, 0, ARG_FAIL},
{"verbose", 2, 0, ARG_LOG_LEVEL},
{"log-level", 2, 0, ARG_LOG_LEVEL},
{"high-priority", 2, 0, ARG_HIGH_PRIORITY},
{"realtime", 2, 0, ARG_REALTIME},
{"disallow-module-loading", 2, 0, ARG_DISALLOW_MODULE_LOADING},
{"disallow-exit", 2, 0, ARG_DISALLOW_EXIT},
{"exit-idle-time", 1, 0, ARG_EXIT_IDLE_TIME},
{"scache-idle-time", 1, 0, ARG_SCACHE_IDLE_TIME},
{"log-target", 1, 0, ARG_LOG_TARGET},
{"log-meta", 2, 0, ARG_LOG_META},
{"log-time", 2, 0, ARG_LOG_TIME},
{"log-backtrace", 1, 0, ARG_LOG_BACKTRACE},
{"load", 1, 0, ARG_LOAD},
{"file", 1, 0, ARG_FILE},
{"dl-search-path", 1, 0, ARG_DL_SEARCH_PATH},
{"resample-method", 1, 0, ARG_RESAMPLE_METHOD},
{"kill", 0, 0, ARG_KILL},
{"start", 0, 0, ARG_START},
{"use-pid-file", 2, 0, ARG_USE_PID_FILE},
{"check", 0, 0, ARG_CHECK},
{"system", 2, 0, ARG_SYSTEM},
{"no-cpu-limit", 2, 0, ARG_NO_CPU_LIMIT},
{"disable-shm", 2, 0, ARG_DISABLE_SHM},
{"enable-memfd", 2, 0, ARG_ENABLE_MEMFD},
{"dump-resample-methods", 2, 0, ARG_DUMP_RESAMPLE_METHODS},
{"cleanup-shm", 2, 0, ARG_CLEANUP_SHM},
{NULL, 0, 0, 0}
};
void pa_cmdline_help(const char *argv0) {
pa_assert(argv0);
printf(_("%s [options]\n\n"
"COMMANDS:\n"
" -h, --help Show this help\n"
" --version Show version\n"
" --dump-conf Dump default configuration\n"
" --dump-modules Dump list of available modules\n"
" --dump-resample-methods Dump available resample methods\n"
" --cleanup-shm Cleanup stale shared memory segments\n"
" --start Start the daemon if it is not running\n"
" -k --kill Kill a running daemon\n"
" --check Check for a running daemon (only returns exit code)\n\n"
"OPTIONS:\n"
" --system[=BOOL] Run as system-wide instance\n"
" -D, --daemonize[=BOOL] Daemonize after startup\n"
" --fail[=BOOL] Quit when startup fails\n"
" --high-priority[=BOOL] Try to set high nice level\n"
" (only available as root, when SUID or\n"
" with elevated RLIMIT_NICE)\n"
" --realtime[=BOOL] Try to enable realtime scheduling\n"
" (only available as root, when SUID or\n"
" with elevated RLIMIT_RTPRIO)\n"
" --disallow-module-loading[=BOOL] Disallow user requested module\n"
" loading/unloading after startup\n"
" --disallow-exit[=BOOL] Disallow user requested exit\n"
" --exit-idle-time=SECS Terminate the daemon when idle and this\n"
" time passed\n"
" --scache-idle-time=SECS Unload autoloaded samples when idle and\n"
" this time passed\n"
" --log-level[=LEVEL] Increase or set verbosity level\n"
" -v --verbose Increase the verbosity level\n"
" --log-target={auto,syslog,stderr,file:PATH,newfile:PATH}\n"
" Specify the log target\n"
" --log-meta[=BOOL] Include code location in log messages\n"
" --log-time[=BOOL] Include timestamps in log messages\n"
" --log-backtrace=FRAMES Include a backtrace in log messages\n"
" -p, --dl-search-path=PATH Set the search path for dynamic shared\n"
" objects (plugins)\n"
" --resample-method=METHOD Use the specified resampling method\n"
" (See --dump-resample-methods for\n"
" possible values)\n"
" --use-pid-file[=BOOL] Create a PID file\n"
" --no-cpu-limit[=BOOL] Do not install CPU load limiter on\n"
" platforms that support it.\n"
" --disable-shm[=BOOL] Disable shared memory support.\n"
" --enable-memfd[=BOOL] Enable memfd shared memory support.\n\n"
"STARTUP SCRIPT:\n"
" -L, --load=\"MODULE ARGUMENTS\" Load the specified plugin module with\n"
" the specified argument\n"
" -F, --file=FILENAME Run the specified script\n"
" -C Open a command line on the running TTY\n"
" after startup\n\n"
" -n Don't load default script file\n"),
pa_path_get_filename(argv0));
}
int pa_cmdline_parse(pa_daemon_conf *conf, int argc, char *const argv [], int *d) {
pa_strbuf *buf = NULL;
int c;
int b;
pa_assert(conf);
pa_assert(argc > 0);
pa_assert(argv);
buf = pa_strbuf_new();
if (conf->script_commands)
pa_strbuf_puts(buf, conf->script_commands);
while ((c = getopt_long(argc, argv, "L:F:ChDnp:kv", long_options, NULL)) != -1) {
switch (c) {
case ARG_HELP:
case 'h':
conf->cmd = PA_CMD_HELP;
break;
case ARG_VERSION:
conf->cmd = PA_CMD_VERSION;
break;
case ARG_DUMP_CONF:
conf->cmd = PA_CMD_DUMP_CONF;
break;
case ARG_DUMP_MODULES:
conf->cmd = PA_CMD_DUMP_MODULES;
break;
case ARG_DUMP_RESAMPLE_METHODS:
conf->cmd = PA_CMD_DUMP_RESAMPLE_METHODS;
break;
case ARG_CLEANUP_SHM:
conf->cmd = PA_CMD_CLEANUP_SHM;
break;
case 'k':
case ARG_KILL:
conf->cmd = PA_CMD_KILL;
break;
case ARG_START:
conf->cmd = PA_CMD_START;
conf->daemonize = true;
break;
case ARG_CHECK:
conf->cmd = PA_CMD_CHECK;
break;
case ARG_LOAD:
case 'L':
pa_strbuf_printf(buf, "load-module %s\n", optarg);
break;
case ARG_FILE:
case 'F': {
char *p;
pa_strbuf_printf(buf, ".include %s\n", p = pa_make_path_absolute(optarg));
pa_xfree(p);
break;
}
case 'C':
pa_strbuf_puts(buf, "load-module module-cli exit_on_eof=1\n");
break;
case ARG_DAEMONIZE:
case 'D':
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--daemonize expects boolean argument"));
goto fail;
}
conf->daemonize = !!b;
break;
case ARG_FAIL:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--fail expects boolean argument"));
goto fail;
}
conf->fail = !!b;
break;
case 'v':
case ARG_LOG_LEVEL:
if (optarg) {
if (pa_daemon_conf_set_log_level(conf, optarg) < 0) {
pa_log(_("--log-level expects log level argument (either numeric in range 0..4 or one of debug, info, notice, warn, error)."));
goto fail;
}
} else {
if (conf->log_level < PA_LOG_LEVEL_MAX-1)
conf->log_level++;
}
break;
case ARG_HIGH_PRIORITY:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--high-priority expects boolean argument"));
goto fail;
}
conf->high_priority = !!b;
break;
case ARG_REALTIME:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--realtime expects boolean argument"));
goto fail;
}
conf->realtime_scheduling = !!b;
break;
case ARG_DISALLOW_MODULE_LOADING:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--disallow-module-loading expects boolean argument"));
goto fail;
}
conf->disallow_module_loading = !!b;
break;
case ARG_DISALLOW_EXIT:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--disallow-exit expects boolean argument"));
goto fail;
}
conf->disallow_exit = !!b;
break;
case ARG_USE_PID_FILE:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--use-pid-file expects boolean argument"));
goto fail;
}
conf->use_pid_file = !!b;
break;
case 'p':
case ARG_DL_SEARCH_PATH:
pa_xfree(conf->dl_search_path);
conf->dl_search_path = pa_xstrdup(optarg);
break;
case 'n':
conf->load_default_script_file = false;
break;
case ARG_LOG_TARGET:
if (pa_daemon_conf_set_log_target(conf, optarg) < 0) {
#ifdef HAVE_SYSTEMD_JOURNAL
pa_log(_("Invalid log target: use either 'syslog', 'journal', 'stderr' or 'auto' or a valid file name 'file:<path>', 'newfile:<path>'."));
#else
pa_log(_("Invalid log target: use either 'syslog', 'stderr' or 'auto' or a valid file name 'file:<path>', 'newfile:<path>'."));
#endif
goto fail;
}
break;
case ARG_LOG_TIME:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--log-time expects boolean argument"));
goto fail;
}
conf->log_time = !!b;
break;
case ARG_LOG_META:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--log-meta expects boolean argument"));
goto fail;
}
conf->log_meta = !!b;
break;
case ARG_LOG_BACKTRACE:
conf->log_backtrace = (unsigned) atoi(optarg);
break;
case ARG_EXIT_IDLE_TIME:
conf->exit_idle_time = atoi(optarg);
break;
case ARG_SCACHE_IDLE_TIME:
conf->scache_idle_time = atoi(optarg);
break;
case ARG_RESAMPLE_METHOD:
if (pa_daemon_conf_set_resample_method(conf, optarg) < 0) {
pa_log(_("Invalid resample method '%s'."), optarg);
goto fail;
}
break;
case ARG_SYSTEM:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--system expects boolean argument"));
goto fail;
}
conf->system_instance = !!b;
break;
case ARG_NO_CPU_LIMIT:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--no-cpu-limit expects boolean argument"));
goto fail;
}
conf->no_cpu_limit = !!b;
break;
case ARG_DISABLE_SHM:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--disable-shm expects boolean argument"));
goto fail;
}
conf->disable_shm = !!b;
break;
case ARG_ENABLE_MEMFD:
if ((b = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(_("--enable-memfd expects boolean argument"));
goto fail;
}
conf->disable_memfd = !b;
break;
default:
goto fail;
}
}
pa_xfree(conf->script_commands);
conf->script_commands = pa_strbuf_to_string_free(buf);
*d = optind;
return 0;
fail:
if (buf)
pa_strbuf_free(buf);
return -1;
}
|
