code.delx.au - pulseaudio/blob - polyp/client-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 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 #include <stdlib.h>
  23 #include <assert.h>
  24 #include <unistd.h>
  25 #include <errno.h>
  26 #include <string.h>
  27
  28 #include "client-conf.h"
  29 #include "xmalloc.h"
  30 #include "log.h"
  31 #include "conf-parser.h"
  32 #include "util.h"
  33
  34 #ifndef DEFAULT_CONFIG_DIR
  35 #define DEFAULT_CONFIG_DIR "/etc/polypaudio"
  36 #endif
  37
  38 #define DEFAULT_CLIENT_CONFIG_FILE DEFAULT_CONFIG_DIR"/client.conf"
  39 #define DEFAULT_CLIENT_CONFIG_FILE_USER ".polypaudio/client.conf"
  40
  41 #define ENV_CLIENT_CONFIG_FILE "POLYP_CLIENTCONFIG"
  42 #define ENV_DEFAULT_SINK "POLYP_SINK"
  43 #define ENV_DEFAULT_SOURCE "POLYP_SOURCE"
  44 #define ENV_DEFAULT_SERVER "POLYP_SERVER"
  45 #define ENV_DAEMON_BINARY "POLYP_BINARY"
  46
  47 static const struct pa_client_conf default_conf = {
  48     .daemon_binary = NULL,
  49     .extra_arguments = NULL,
  50     .default_sink = NULL,
  51     .default_source = NULL,
  52     .default_server = NULL,
  53     .autospawn = 0
  54 };
  55
  56 struct pa_client_conf *pa_client_conf_new(void) {
  57     struct pa_client_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
  58
  59     c->daemon_binary = pa_xstrdup(POLYPAUDIO_BINARY);
  60     c->extra_arguments = pa_xstrdup("--log-target=syslog --exit-idle-time=5");
  61
  62     return c;
  63 }
  64
  65 void pa_client_conf_free(struct pa_client_conf *c) {
  66     assert(c);
  67     pa_xfree(c->daemon_binary);
  68     pa_xfree(c->extra_arguments);
  69     pa_xfree(c->default_sink);
  70     pa_xfree(c->default_source);
  71     pa_xfree(c->default_server);
  72     pa_xfree(c);
  73 }
  74 int pa_client_conf_load(struct pa_client_conf *c, const char *filename) {
  75     FILE *f = NULL;
  76     char *fn = NULL;
  77     int r = -1;
  78
  79     struct pa_config_item table[] = {
  80         { "daemon-binary",          pa_config_parse_string,  NULL },
  81         { "extra-arguments",        pa_config_parse_string,  NULL },
  82         { "default-sink",           pa_config_parse_string,  NULL },
  83         { "default-source",         pa_config_parse_string,  NULL },
  84         { "default-server",         pa_config_parse_string,  NULL },
  85         { "autospawn",              pa_config_parse_bool,    NULL },
  86         { NULL,                     NULL,                    NULL },
  87     };
  88
  89     table[0].data = &c->daemon_binary;
  90     table[1].data = &c->extra_arguments;
  91     table[2].data = &c->default_sink;
  92     table[3].data = &c->default_source;
  93     table[4].data = &c->default_server;
  94     table[5].data = &c->autospawn;
  95
  96     f = filename ?
  97         fopen((fn = pa_xstrdup(filename)), "r") :
  98         pa_open_config_file(DEFAULT_CLIENT_CONFIG_FILE, DEFAULT_CLIENT_CONFIG_FILE_USER, ENV_CLIENT_CONFIG_FILE, &fn);
  99
 100     if (!f && errno != EINTR) {
 101         pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
 102         goto finish;
 103     }
 104
 105     r = pa_config_parse(fn, f, table, NULL);
 106
 107 finish:
 108     pa_xfree(fn);
 109
 110     if (f)
 111         fclose(f);
 112
 113     return r;
 114 }
 115
 116 int pa_client_conf_env(struct pa_client_conf *c) {
 117     char *e;
 118
 119     if ((e = getenv(ENV_DEFAULT_SINK))) {
 120         pa_xfree(c->default_sink);
 121         c->default_sink = pa_xstrdup(e);
 122     }
 123
 124     if ((e = getenv(ENV_DEFAULT_SOURCE))) {
 125         pa_xfree(c->default_source);
 126         c->default_source = pa_xstrdup(e);
 127     }
 128
 129     if ((e = getenv(ENV_DEFAULT_SERVER))) {
 130         pa_xfree(c->default_server);
 131         c->default_server = pa_xstrdup(e);
 132     }
 133
 134     if ((e = getenv(ENV_DAEMON_BINARY))) {
 135         pa_xfree(c->daemon_binary);
 136         c->daemon_binary = pa_xstrdup(e);
 137     }
 138
 139     return 0;
 140 }