code.delx.au - pulseaudio/blob - polyp/cmdline.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   polypaudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with polypaudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27 #include <assert.h>
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30 #include <getopt.h>
  31 #include <sys/stat.h>
  32
  33 #include "cmdline.h"
  34 #include "util.h"
  35 #include "strbuf.h"
  36 #include "xmalloc.h"
  37
  38 enum {
  39     ARG_HELP = 256,
  40     ARG_VERSION,
  41     ARG_DUMP_CONF,
  42     ARG_DUMP_MODULES,
  43     ARG_DAEMONIZE,
  44     ARG_FAIL,
  45     ARG_VERBOSE,
  46     ARG_HIGH_PRIORITY,
  47     ARG_DISALLOW_MODULE_LOADING,
  48     ARG_EXIT_IDLE_TIME,
  49     ARG_MODULE_IDLE_TIME,
  50     ARG_SCACHE_IDLE_TIME,
  51     ARG_LOG_TARGET,
  52     ARG_LOAD,
  53     ARG_FILE,
  54     ARG_DL_SEARCH_PATH,
  55 };
  56
  57 static struct option long_options[] = {
  58     {"help",                        0, 0, ARG_HELP},
  59     {"version",                     0, 0, ARG_VERSION},
  60     {"dump-conf",                   0, 0, ARG_DUMP_CONF},
  61     {"dump-modules",                0, 0, ARG_DUMP_MODULES},
  62     {"daemonize",                   2, 0, ARG_DAEMONIZE},
  63     {"fail",                        2, 0, ARG_FAIL},
  64     {"verbose",                     2, 0, ARG_VERBOSE},
  65     {"high-priority",               2, 0, ARG_HIGH_PRIORITY},
  66     {"disallow-module-loading",     2, 0, ARG_DISALLOW_MODULE_LOADING},
  67     {"exit-idle-time",              2, 0, ARG_EXIT_IDLE_TIME},
  68     {"module-idle-time",            2, 0, ARG_MODULE_IDLE_TIME},
  69     {"scache-idle-time",            2, 0, ARG_SCACHE_IDLE_TIME},
  70     {"log-target",                  1, 0, ARG_LOG_TARGET},
  71     {"load",                        1, 0, ARG_LOAD},
  72     {"file",                        1, 0, ARG_FILE},
  73     {"dl-search-path",              1, 0, ARG_DL_SEARCH_PATH},
  74     {NULL, 0, 0, 0}
  75 };
  76
  77
  78 void pa_cmdline_help(const char *argv0) {
  79     const char *e;
  80
  81     if ((e = strrchr(argv0, '/')))
  82         e++;
  83     else
  84         e = argv0;
  85
  86     printf("%s [options]\n"
  87            "  -h, --help                            Show this help\n"
  88            "      --version                         Show version\n"
  89            "      --dump-conf                       Dump default configuration\n"
  90            "      --dump-modules                    Dump list of available modules\n\n"
  91
  92            "  -D, --daemonize[=BOOL]                Daemonize after startup\n"
  93            "      --fail[=BOOL]                     Quit when startup fails\n"
  94            "      --verbose[=BOOL]                  Be slightly more verbose\n"
  95            "      --high-priority[=BOOL]            Try to set high process priority (only available as root)\n"
  96            "      --disallow-module-loading[=BOOL]  Disallow module loading after startup\n"
  97            "      --exit-idle-time=SECS             Terminate the daemon when idle and this time passed\n"
  98            "      --module-idle-time=SECS           Unload autoloaded modules when idle and this time passed\n"
  99            "      --scache-idle-time=SECS           Unload autoloaded samples when idle and this time passed\n"
 100            "      --log-target={auto,syslog,stderr} Specify the log target\n"
 101            "  -p, --dl-search-path=PATH             Set the search path for dynamic shared objects (plugins)\n\n"
 102
 103            "  -L, --load=\"MODULE ARGUMENTS\"         Load the specified plugin module with the specified argument\n"
 104            "  -F, --file=FILENAME                   Run the specified script\n"
 105            "  -C                                    Open a command line on the running TTY after startup\n\n"
 106
 107            "  -n                                    Don't load default script file\n", e);
 108 }
 109
 110 int pa_cmdline_parse(struct pa_daemon_conf *conf, int argc, char *const argv [], int *d) {
 111     struct pa_strbuf *buf = NULL;
 112     int c;
 113     assert(conf && argc && argv);
 114
 115     buf = pa_strbuf_new();
 116
 117     if (conf->script_commands)
 118         pa_strbuf_puts(buf, conf->script_commands);
 119
 120     while ((c = getopt_long(argc, argv, "L:F:ChDnp:", long_options, NULL)) != -1) {
 121         switch (c) {
 122             case ARG_HELP:
 123             case 'h':
 124                 conf->cmd = PA_CMD_HELP;
 125                 break;
 126
 127             case ARG_VERSION:
 128                 conf->cmd = PA_CMD_VERSION;
 129                 break;
 130
 131             case ARG_DUMP_CONF:
 132                 conf->cmd = PA_CMD_DUMP_CONF;
 133                 break;
 134
 135             case ARG_DUMP_MODULES:
 136                 conf->cmd = PA_CMD_DUMP_MODULES;
 137                 break;
 138
 139             case ARG_LOAD:
 140             case 'L':
 141                 pa_strbuf_printf(buf, "load-module %s\n", optarg);
 142                 break;
 143
 144             case ARG_FILE:
 145             case 'F':
 146                 pa_strbuf_printf(buf, ".include %s\n", optarg);
 147                 break;
 148
 149             case 'C':
 150                 pa_strbuf_puts(buf, "load-module module-cli\n");
 151                 break;
 152
 153             case ARG_DAEMONIZE:
 154             case 'D':
 155                 if ((conf->daemonize = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
 156                     pa_log(__FILE__": --daemonize expects boolean argument\n");
 157                     goto fail;
 158                 }
 159                 break;
 160
 161             case ARG_FAIL:
 162                 if ((conf->fail = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
 163                     pa_log(__FILE__": --fail expects boolean argument\n");
 164                     goto fail;
 165                 }
 166                 break;
 167
 168             case ARG_VERBOSE:
 169                 if ((conf->verbose = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
 170                     pa_log(__FILE__": --verbose expects boolean argument\n");
 171                     goto fail;
 172                 }
 173                 break;
 174
 175             case ARG_HIGH_PRIORITY:
 176                 if ((conf->high_priority = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
 177                     pa_log(__FILE__": --high-priority expects boolean argument\n");
 178                     goto fail;
 179                 }
 180                 break;
 181
 182             case ARG_DISALLOW_MODULE_LOADING:
 183                 if ((conf->disallow_module_loading = optarg ? pa_parse_boolean(optarg) : 1) < 0) {
 184                     pa_log(__FILE__": --disallow-module-loading expects boolean argument\n");
 185                     goto fail;
 186                 }
 187                 break;
 188
 189             case 'p':
 190             case ARG_DL_SEARCH_PATH:
 191                 pa_xfree(conf->dl_search_path);
 192                 conf->dl_search_path = *optarg ? pa_xstrdup(optarg) : NULL;
 193                 break;
 194
 195             case 'n':
 196                 pa_xfree(conf->default_script_file);
 197                 conf->default_script_file = NULL;
 198                 break;
 199
 200             case ARG_LOG_TARGET:
 201                 if (!strcmp(optarg, "syslog")) {
 202                     conf->auto_log_target = 0;
 203                     conf->log_target = PA_LOG_SYSLOG;
 204                 } else if (!strcmp(optarg, "stderr")) {
 205                     conf->auto_log_target = 0;
 206                     conf->log_target = PA_LOG_STDERR;
 207                 } else if (!strcmp(optarg, "auto"))
 208                     conf->auto_log_target = 1;
 209                 else {
 210                     pa_log(__FILE__": Invalid log target: use either 'syslog', 'stderr' or 'auto'.\n");
 211                     goto fail;
 212                 }
 213                 break;
 214
 215             case ARG_EXIT_IDLE_TIME:
 216                 conf->exit_idle_time = atoi(optarg);
 217                 break;
 218
 219             case ARG_MODULE_IDLE_TIME:
 220                 conf->module_idle_time = atoi(optarg);
 221                 break;
 222
 223             case ARG_SCACHE_IDLE_TIME:
 224                 conf->scache_idle_time = atoi(optarg);
 225                 break;
 226
 227             default:
 228                 goto fail;
 229         }
 230     }
 231
 232     pa_xfree(conf->script_commands);
 233     conf->script_commands = pa_strbuf_tostring_free(buf);
 234
 235     if (!conf->script_commands) {
 236         pa_xfree(conf->script_commands);
 237         conf->script_commands = NULL;
 238     }
 239
 240     *d = optind;
 241
 242     return 0;
 243
 244 fail:
 245     if (buf)
 246         pa_strbuf_free(buf);
 247
 248     return -1;
 249 }