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     .verbose = 0,
  57     .high_priority = 0,
  58     .disallow_module_loading = 0,
  59     .exit_idle_time = -1,
  60     .module_idle_time = 20,
  61     .scache_idle_time = 20,
  62     .auto_log_target = 1,
  63     .script_commands = NULL,
  64     .dl_search_path = NULL,
  65     .default_script_file = NULL,
  66     .log_target = PA_LOG_SYSLOG,
  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_resample_method(struct pa_daemon_conf *c, const char *string) {
 112     int m;
 113     assert(c && string);
 114
 115     if ((m = pa_parse_resample_method(string)) < 0)
 116         return -1;
 117
 118     c->resample_method = m;
 119     return 0;
 120 }
 121
 122 int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 123     struct pa_daemon_conf *c = data;
 124     assert(filename && lvalue && rvalue && data);
 125
 126     if (pa_daemon_conf_set_log_target(c, rvalue) < 0) {
 127         pa_log(__FILE__": [%s:%u] Invalid log target '%s'.\n", filename, line, rvalue);
 128         return -1;
 129     }
 130
 131     return 0;
 132 }
 133
 134 int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 135     struct pa_daemon_conf *c = data;
 136     assert(filename && lvalue && rvalue && data);
 137
 138     if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) {
 139         pa_log(__FILE__": [%s:%u] Inavalid resample method '%s'.\n", filename, line, rvalue);
 140         return -1;
 141     }
 142
 143     return 0;
 144 }
 145
 146 int pa_daemon_conf_load(struct pa_daemon_conf *c, const char *filename) {
 147     int r = -1;
 148     FILE *f = NULL;
 149
 150     struct pa_config_item table[] = {
 151         { "verbose",                 pa_config_parse_bool,    NULL },
 152         { "daemonize",               pa_config_parse_bool,    NULL },
 153         { "fail",                    pa_config_parse_bool,    NULL },
 154         { "high-priority",           pa_config_parse_bool,    NULL },
 155         { "disallow-module-loading", pa_config_parse_bool,    NULL },
 156         { "exit-idle-time",          pa_config_parse_int,     NULL },
 157         { "module-idle-time",        pa_config_parse_int,     NULL },
 158         { "scache-idle-time",        pa_config_parse_int,     NULL },
 159         { "dl-search-path",          pa_config_parse_string,  NULL },
 160         { "default-script-file",     pa_config_parse_string,  NULL },
 161         { "log-target",              parse_log_target,        NULL },
 162         { "resample-method",         parse_resample_method,   NULL },
 163         { "use-pid-file",            pa_config_parse_bool,    NULL },
 164         { NULL,                      NULL,                    NULL },
 165     };
 166
 167     table[0].data = &c->verbose;
 168     table[1].data = &c->daemonize;
 169     table[2].data = &c->fail;
 170     table[3].data = &c->high_priority;
 171     table[4].data = &c->disallow_module_loading;
 172     table[5].data = &c->exit_idle_time;
 173     table[6].data = &c->module_idle_time;
 174     table[7].data = &c->scache_idle_time;
 175     table[8].data = &c->dl_search_path;
 176     table[9].data = &c->default_script_file;
 177     table[10].data = c;
 178     table[11].data = c;
 179     table[12].data = &c->use_pid_file;
 180
 181     pa_xfree(c->config_file);
 182     c->config_file = NULL;
 183
 184     f = filename ?
 185         fopen(c->config_file = pa_xstrdup(filename), "r") :
 186         pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file);
 187
 188     if (!f && errno != ENOENT) {
 189         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
 190         goto finish;
 191     }
 192
 193     r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0;
 194
 195 finish:
 196     if (f)
 197         fclose(f);
 198
 199     return r;
 200 }
 201
 202 int pa_daemon_conf_env(struct pa_daemon_conf *c) {
 203     char *e;
 204
 205     if ((e = getenv(ENV_DL_SEARCH_PATH))) {
 206         pa_xfree(c->dl_search_path);
 207         c->dl_search_path = pa_xstrdup(e);
 208     }
 209     if ((e = getenv(ENV_SCRIPT_FILE))) {
 210         pa_xfree(c->default_script_file);
 211         c->default_script_file = pa_xstrdup(e);
 212     }
 213
 214     return 0;
 215 }
 216
 217 char *pa_daemon_conf_dump(struct pa_daemon_conf *c) {
 218     struct pa_strbuf *s = pa_strbuf_new();
 219
 220     if (c->config_file)
 221         pa_strbuf_printf(s, "### Read from configuration file: %s ###\n", c->config_file);
 222
 223     pa_strbuf_printf(s, "verbose = %i\n", !!c->verbose);
 224     pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize);
 225     pa_strbuf_printf(s, "fail = %i\n", !!c->fail);
 226     pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority);
 227     pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading);
 228     pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
 229     pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
 230     pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
 231     pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : "");
 232     pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file);
 233     pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
 234     pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
 235     pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
 236
 237     return pa_strbuf_tostring_free(s);
 238 }