code.delx.au - pulseaudio/blob - src/daemon/daemon-conf.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser 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   PulseAudio 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 Lesser General Public License
  17   along with PulseAudio; 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 <errno.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <assert.h>
  30 #include <unistd.h>
  31
  32 #include <pulse/xmalloc.h>
  33
  34 #include <pulsecore/core-error.h>
  35 #include <pulsecore/core-util.h>
  36 #include <pulsecore/strbuf.h>
  37 #include <pulsecore/conf-parser.h>
  38 #include <pulsecore/resampler.h>
  39
  40 #include "daemon-conf.h"
  41
  42 #ifndef DEFAULT_CONFIG_DIR
  43 # ifndef OS_IS_WIN32
  44 #  define DEFAULT_CONFIG_DIR "/etc/pulse"
  45 # else
  46 #  define DEFAULT_CONFIG_DIR "%POLYP_ROOT%"
  47 # endif
  48 #endif
  49
  50 #ifndef OS_IS_WIN32
  51 # define PATH_SEP "/"
  52 #else
  53 # define PATH_SEP "\\"
  54 #endif
  55
  56 #define DEFAULT_SCRIPT_FILE DEFAULT_CONFIG_DIR PATH_SEP "default.pa"
  57 #define DEFAULT_SCRIPT_FILE_USER ".pulse" PATH_SEP "default.pa"
  58 #define DEFAULT_CONFIG_FILE DEFAULT_CONFIG_DIR PATH_SEP "daemon.conf"
  59 #define DEFAULT_CONFIG_FILE_USER ".pulse" PATH_SEP "daemon.conf"
  60
  61 #define ENV_SCRIPT_FILE "POLYP_SCRIPT"
  62 #define ENV_CONFIG_FILE "POLYP_CONFIG"
  63 #define ENV_DL_SEARCH_PATH "POLYP_DLPATH"
  64
  65 static const pa_daemon_conf default_conf = {
  66     .cmd = PA_CMD_DAEMON,
  67     .daemonize = 0,
  68     .fail = 1,
  69     .high_priority = 0,
  70     .disallow_module_loading = 0,
  71     .exit_idle_time = -1,
  72     .module_idle_time = 20,
  73     .scache_idle_time = 20,
  74     .auto_log_target = 1,
  75     .script_commands = NULL,
  76     .dl_search_path = NULL,
  77     .default_script_file = NULL,
  78     .log_target = PA_LOG_SYSLOG,
  79     .log_level = PA_LOG_NOTICE,
  80     .resample_method = PA_RESAMPLER_SRC_SINC_FASTEST,
  81     .config_file = NULL,
  82     .use_pid_file = 1
  83 };
  84
  85 pa_daemon_conf* pa_daemon_conf_new(void) {
  86     FILE *f;
  87     pa_daemon_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  88
  89     if ((f = pa_open_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE, &c->default_script_file, "r")))
  90         fclose(f);
  91
  92 #ifdef DLSEARCHPATH
  93     c->dl_search_path = pa_xstrdup(DLSEARCHPATH);
  94 #endif
  95     return c;
  96 }
  97
  98 void pa_daemon_conf_free(pa_daemon_conf *c) {
  99     assert(c);
 100     pa_xfree(c->script_commands);
 101     pa_xfree(c->dl_search_path);
 102     pa_xfree(c->default_script_file);
 103     pa_xfree(c->config_file);
 104     pa_xfree(c);
 105 }
 106
 107 int pa_daemon_conf_set_log_target(pa_daemon_conf *c, const char *string) {
 108     assert(c && string);
 109
 110     if (!strcmp(string, "auto"))
 111         c->auto_log_target = 1;
 112     else if (!strcmp(string, "syslog")) {
 113         c->auto_log_target = 0;
 114         c->log_target = PA_LOG_SYSLOG;
 115     } else if (!strcmp(string, "stderr")) {
 116         c->auto_log_target = 0;
 117         c->log_target = PA_LOG_STDERR;
 118     } else
 119         return -1;
 120
 121     return 0;
 122 }
 123
 124 int pa_daemon_conf_set_log_level(pa_daemon_conf *c, const char *string) {
 125     uint32_t u;
 126     assert(c && string);
 127
 128     if (pa_atou(string, &u) >= 0) {
 129         if (u >= PA_LOG_LEVEL_MAX)
 130             return -1;
 131
 132         c->log_level = (pa_log_level_t) u;
 133     } else if (pa_startswith(string, "debug"))
 134         c->log_level = PA_LOG_DEBUG;
 135     else if (pa_startswith(string, "info"))
 136         c->log_level = PA_LOG_INFO;
 137     else if (pa_startswith(string, "notice"))
 138         c->log_level = PA_LOG_NOTICE;
 139     else if (pa_startswith(string, "warn"))
 140         c->log_level = PA_LOG_WARN;
 141     else if (pa_startswith(string, "err"))
 142         c->log_level = PA_LOG_ERROR;
 143     else
 144         return -1;
 145
 146     return 0;
 147 }
 148
 149 int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) {
 150     int m;
 151     assert(c && string);
 152
 153     if ((m = pa_parse_resample_method(string)) < 0)
 154         return -1;
 155
 156     c->resample_method = m;
 157     return 0;
 158 }
 159
 160 static int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
 161     pa_daemon_conf *c = data;
 162     assert(filename && lvalue && rvalue && data);
 163
 164     if (pa_daemon_conf_set_log_target(c, rvalue) < 0) {
 165         pa_log(__FILE__": [%s:%u] Invalid log target '%s'.", filename, line, rvalue);
 166         return -1;
 167     }
 168
 169     return 0;
 170 }
 171
 172 static int parse_log_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
 173     pa_daemon_conf *c = data;
 174     assert(filename && lvalue && rvalue && data);
 175
 176     if (pa_daemon_conf_set_log_level(c, rvalue) < 0) {
 177         pa_log(__FILE__": [%s:%u] Invalid log level '%s'.", filename, line, rvalue);
 178         return -1;
 179     }
 180
 181     return 0;
 182 }
 183
 184 static int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
 185     pa_daemon_conf *c = data;
 186     assert(filename && lvalue && rvalue && data);
 187
 188     if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) {
 189         pa_log(__FILE__": [%s:%u] Inavalid resample method '%s'.", filename, line, rvalue);
 190         return -1;
 191     }
 192
 193     return 0;
 194 }
 195
 196 int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
 197     int r = -1;
 198     FILE *f = NULL;
 199
 200     pa_config_item table[] = {
 201         { "daemonize",               pa_config_parse_bool,    NULL },
 202         { "fail",                    pa_config_parse_bool,    NULL },
 203         { "high-priority",           pa_config_parse_bool,    NULL },
 204         { "disallow-module-loading", pa_config_parse_bool,    NULL },
 205         { "exit-idle-time",          pa_config_parse_int,     NULL },
 206         { "module-idle-time",        pa_config_parse_int,     NULL },
 207         { "scache-idle-time",        pa_config_parse_int,     NULL },
 208         { "dl-search-path",          pa_config_parse_string,  NULL },
 209         { "default-script-file",     pa_config_parse_string,  NULL },
 210         { "log-target",              parse_log_target,        NULL },
 211         { "log-level",               parse_log_level,         NULL },
 212         { "verbose",                 parse_log_level,         NULL },
 213         { "resample-method",         parse_resample_method,   NULL },
 214         { "use-pid-file",            pa_config_parse_bool,    NULL },
 215         { NULL,                      NULL,                    NULL },
 216     };
 217
 218     table[0].data = &c->daemonize;
 219     table[1].data = &c->fail;
 220     table[2].data = &c->high_priority;
 221     table[3].data = &c->disallow_module_loading;
 222     table[4].data = &c->exit_idle_time;
 223     table[5].data = &c->module_idle_time;
 224     table[6].data = &c->scache_idle_time;
 225     table[7].data = &c->dl_search_path;
 226     table[8].data = &c->default_script_file;
 227     table[9].data = c;
 228     table[10].data = c;
 229     table[11].data = c;
 230     table[12].data = c;
 231     table[13].data = &c->use_pid_file;
 232
 233     pa_xfree(c->config_file);
 234     c->config_file = NULL;
 235
 236     f = filename ?
 237         fopen(c->config_file = pa_xstrdup(filename), "r") :
 238         pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file, "r");
 239
 240     if (!f && errno != ENOENT) {
 241         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s", filename, pa_cstrerror(errno));
 242         goto finish;
 243     }
 244
 245     r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0;
 246
 247 finish:
 248     if (f)
 249         fclose(f);
 250
 251     return r;
 252 }
 253
 254 int pa_daemon_conf_env(pa_daemon_conf *c) {
 255     char *e;
 256
 257     if ((e = getenv(ENV_DL_SEARCH_PATH))) {
 258         pa_xfree(c->dl_search_path);
 259         c->dl_search_path = pa_xstrdup(e);
 260     }
 261     if ((e = getenv(ENV_SCRIPT_FILE))) {
 262         pa_xfree(c->default_script_file);
 263         c->default_script_file = pa_xstrdup(e);
 264     }
 265
 266     return 0;
 267 }
 268
 269 static const char* const log_level_to_string[] = {
 270     [PA_LOG_DEBUG] = "debug",
 271     [PA_LOG_INFO] = "info",
 272     [PA_LOG_NOTICE] = "notice",
 273     [PA_LOG_WARN] = "warning",
 274     [PA_LOG_ERROR] = "error"
 275 };
 276
 277 char *pa_daemon_conf_dump(pa_daemon_conf *c) {
 278     pa_strbuf *s = pa_strbuf_new();
 279
 280     if (c->config_file)
 281         pa_strbuf_printf(s, "### Read from configuration file: %s ###\n", c->config_file);
 282
 283     assert(c->log_level <= PA_LOG_LEVEL_MAX);
 284
 285     pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize);
 286     pa_strbuf_printf(s, "fail = %i\n", !!c->fail);
 287     pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority);
 288     pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading);
 289     pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
 290     pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
 291     pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
 292     pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : "");
 293     pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file);
 294     pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
 295     pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]);
 296     pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
 297     pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
 298
 299     return pa_strbuf_tostring_free(s);
 300 }