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