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