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new configuration subsystem

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@198 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-13 23:28:30 +00:00
parent fbefe67d52
commit 829656c5fc
23 changed files with 755 additions and 231 deletions
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258
polyp/cmdline.c
View file

@ -35,29 +35,48 @@
#include "strbuf.h"
#include "xmalloc.h"
#define ENV_CONFIG_FILE "POLYP_CONFIG"
enum {
ARG_HELP = 256,
ARG_VERSION,
ARG_DUMP_CONF,
ARG_DUMP_MODULES,
ARG_DAEMONIZE,
ARG_FAIL,
ARG_VERBOSE,
ARG_HIGH_PRIORITY,
ARG_STAY_ROOT,
ARG_DISALLOW_MODULE_LOADING,
ARG_EXIT_IDLE_TIME,
ARG_MODULE_IDLE_TIME,
ARG_LOG_TARGET,
ARG_LOAD,
ARG_FILE,
ARG_DL_SEARCH_PATH,
};
char* config_file(void) {
char *p, *h;
static 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_VERBOSE},
{"high-priority", 2, 0, ARG_HIGH_PRIORITY},
{"stay-root", 2, 0, ARG_STAY_ROOT},
{"disallow-module-loading", 2, 0, ARG_DISALLOW_MODULE_LOADING},
{"exit-idle-time", 2, 0, ARG_EXIT_IDLE_TIME},
{"module-idle-time", 2, 0, ARG_MODULE_IDLE_TIME},
{"log-target", 1, 0, ARG_LOG_TARGET},
{"load", 1, 0, ARG_LOAD},
{"file", 1, 0, ARG_FILE},
{"dl-search-path", 1, 0, ARG_DL_SEARCH_PATH},
{NULL, 0, 0, 0}
};
if ((p = getenv(ENV_CONFIG_FILE)))
return pa_xstrdup(p);
if ((h = getenv("HOME"))) {
struct stat st;
p = pa_sprintf_malloc("%s/.polypaudio", h);
if (stat(p, &st) >= 0)
return p;
pa_xfree(p);
}
return pa_xstrdup(DEFAULT_CONFIG_FILE);
}
void pa_cmdline_help(const char *argv0) {
const char *e;
char *cfg = config_file();
if ((e = strrchr(argv0, '/')))
e++;
@ -65,133 +84,170 @@ void pa_cmdline_help(const char *argv0) {
e = argv0;
printf("%s [options]\n"
" -r Try to set high process priority (only available as root)\n"
" -R Don't drop root if SETUID root\n"
" -L MODULE Load the specified plugin module with the specified argument\n"
" -F FILE Run the specified script\n"
" -C Open a command line on the running TTY\n"
" -n Don't load configuration file (%s)\n"
" -D Daemonize after loading the modules\n"
" -d Disallow module loading after startup\n"
" -f Dont quit when the startup fails\n"
" -v Verbose startup\n"
" -X SECS Terminate the daemon after the last client quit and this time passed\n"
" -h Show this help\n"
" -l TARGET Specify the log target (syslog, stderr, auto)\n"
" -p DIR Append a directory to the search path for dynamic modules\n"
" -V Show version\n", e, cfg);
" -h, --help Show this help\n"
" --version Show version\n"
" --dump-conf Dump default configuration\n"
" --dump-modules Dump list of available modules\n\n"
pa_xfree(cfg);
" -D, --daemonize[=BOOL] Daemonize after startup\n"
" --fail[=BOOL] Quit when startup fails\n"
" --verbose[=BOOL] Be slightly more verbose\n"
" --high-priority[=BOOL] Try to set high process priority (only available as root)\n"
" --stay-root[=BOOL] Don't drop root if SETUID root\n"
" --disallow-module-loading[=BOOL] Disallow module loading after startup\n"
" --exit-idle-time=SECS Terminate the daemon when idle and this time passed\n"
" --module-idle-time=SECS Unload autoloaded modules when idle and this time passed\n"
" --log-target={auto,syslog,stderr} Specify the log target\n"
" -p, --dl-search-path=PATH Set the search path for dynamic shared objects (plugins)\n\n"
" -L, --load=\"MODULE ARGUMENTS\" Load the specified plugin module with the specified argument\n"
" -F, --file=FILENAME Run the specified script\n"
" -C Open a command line on the running TTY after startup\n\n"
" -n Don't load default script file\n", e);
}
struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []) {
char c, *cfg;
struct pa_cmdline *cmdline = NULL;
int pa_cmdline_parse(struct pa_conf *conf, int argc, char *const argv [], int *d) {
struct pa_strbuf *buf = NULL;
int no_default_config_file = 0;
assert(argc && argv);
cmdline = pa_xmalloc(sizeof(struct pa_cmdline));
cmdline->daemonize =
cmdline->help =
cmdline->verbose =
cmdline->high_priority =
cmdline->stay_root =
cmdline->version =
cmdline->disallow_module_loading = 0;
cmdline->fail = cmdline->auto_log_target = 1;
cmdline->quit_after_last_client_time = -1;
cmdline->log_target = -1;
cmdline->dl_search_path = NULL;
int c;
assert(conf && argc && argv);
buf = pa_strbuf_new();
assert(buf);
if (conf->script_commands)
pa_strbuf_puts(buf, conf->script_commands);
while ((c = getopt(argc, argv, "L:F:CDhfvrRVndX:l:p:")) != -1) {
while ((c = getopt_long(argc, argv, "L:F:ChDnp:", long_options, NULL)) != -1) {
switch (c) {
case ARG_HELP:
case 'h':
conf->help = 1;
break;
case ARG_VERSION:
conf->version = 1;
break;
case ARG_DUMP_CONF:
conf->dump_conf = 1;
break;
case ARG_DUMP_MODULES:
conf->dump_modules = 1;
break;
case ARG_LOAD:
case 'L':
pa_strbuf_printf(buf, "load %s\n", optarg);
break;
case ARG_FILE:
case 'F':
pa_strbuf_printf(buf, ".include %s\n", optarg);
break;
case 'C':
pa_strbuf_puts(buf, "load module-cli\n");
break;
case ARG_DAEMONIZE:
case 'D':
cmdline->daemonize = 1;
if ((conf->daemonize = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --daemonize expects boolean argument\n");
goto fail;
}
break;
case 'h':
cmdline->help = 1;
case ARG_FAIL:
if ((conf->fail = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --fail expects boolean argument\n");
goto fail;
}
break;
case 'f':
cmdline->fail = 0;
case ARG_VERBOSE:
if ((conf->verbose = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --verbose expects boolean argument\n");
goto fail;
}
break;
case 'v':
cmdline->verbose = 1;
case ARG_HIGH_PRIORITY:
if ((conf->high_priority = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --high-priority expects boolean argument\n");
goto fail;
}
break;
case 'r':
cmdline->high_priority = 1;
case ARG_STAY_ROOT:
if ((conf->stay_root = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --stay-root expects boolean argument\n");
goto fail;
}
break;
case 'R':
cmdline->stay_root = 1;
break;
case 'V':
cmdline->version = 1;
break;
case 'n':
no_default_config_file = 1;
break;
case 'd':
cmdline->disallow_module_loading = 1;
break;
case 'X':
cmdline->quit_after_last_client_time = atoi(optarg);
case ARG_DISALLOW_MODULE_LOADING:
if ((conf->disallow_module_loading = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
pa_log(__FILE__": --disallow-module-loading expects boolean argument\n");
goto fail;
}
break;
case 'p':
if (cmdline->dl_search_path)
pa_xfree(cmdline->dl_search_path);
cmdline->dl_search_path = pa_xstrdup(optarg);
case ARG_DL_SEARCH_PATH:
pa_xfree(conf->dl_search_path);
conf->dl_search_path = *optarg ? pa_xstrdup(optarg) : NULL;
break;
case 'l':
case 'n':
pa_xfree(conf->default_script_file);
conf->default_script_file = NULL;
break;
case ARG_LOG_TARGET:
if (!strcmp(optarg, "syslog")) {
cmdline->auto_log_target = 0;
cmdline->log_target = PA_LOG_SYSLOG;
conf->auto_log_target = 0;
conf->log_target = PA_LOG_SYSLOG;
} else if (!strcmp(optarg, "stderr")) {
cmdline->auto_log_target = 0;
cmdline->log_target = PA_LOG_STDERR;
conf->auto_log_target = 0;
conf->log_target = PA_LOG_STDERR;
} else if (!strcmp(optarg, "auto"))
cmdline->auto_log_target = 1;
conf->auto_log_target = 1;
else {
pa_log(__FILE__": Invalid log target: use either 'syslog', 'stderr' or 'auto'.\n");
goto fail;
}
break;
case ARG_EXIT_IDLE_TIME:
conf->exit_idle_time = atoi(optarg);
break;
case ARG_MODULE_IDLE_TIME:
conf->module_idle_time = atoi(optarg);
break;
default:
goto fail;
}
}
if (!no_default_config_file) {
cfg = config_file();
pa_strbuf_printf(buf, ".include %s\n", cfg);
pa_xfree(cfg);
pa_xfree(conf->script_commands);
conf->script_commands = pa_strbuf_tostring_free(buf);
if (!conf->script_commands) {
pa_xfree(conf->script_commands);
conf->script_commands = NULL;
}
cmdline->cli_commands = pa_strbuf_tostring_free(buf);
return cmdline;
*d = optind;
return 0;
fail:
if (cmdline)
pa_cmdline_free(cmdline);
if (buf)
pa_strbuf_free(buf);
return NULL;
}
void pa_cmdline_free(struct pa_cmdline *cmd) {
assert(cmd);
pa_xfree(cmd->cli_commands);
pa_xfree(cmd->dl_search_path);
pa_xfree(cmd);
return -1;
}