summaryrefslogtreecommitdiffstats
path: root/src/daemon/daemon-conf.c
blob: ecabce4015ab8a6720baa36a633c31499d94ba17 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/* $Id$ */

/***
  This file is part of polypaudio.

  polypaudio is free software; you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published
  by the Free Software Foundation; either version 2 of the License,
  or (at your option) any later version.

  polypaudio is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with polypaudio; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  USA.
***/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>

#include <polypcore/util.h>
#include <polypcore/xmalloc.h>
#include <polypcore/strbuf.h>
#include <polypcore/conf-parser.h>
#include <polypcore/resampler.h>

#include "daemon-conf.h"

#ifndef DEFAULT_CONFIG_DIR
# ifndef OS_IS_WIN32
#  define DEFAULT_CONFIG_DIR "/etc/polypaudio"
# else
#  define DEFAULT_CONFIG_DIR "%POLYP_ROOT%"
# endif
#endif

#ifndef OS_IS_WIN32
# define PATH_SEP "/"
#else
# define PATH_SEP "\\"
#endif

#define DEFAULT_SCRIPT_FILE DEFAULT_CONFIG_DIR PATH_SEP "default.pa"
#define DEFAULT_SCRIPT_FILE_USER ".polypaudio" PATH_SEP "default.pa"
#define DEFAULT_CONFIG_FILE DEFAULT_CONFIG_DIR PATH_SEP "daemon.conf"
#define DEFAULT_CONFIG_FILE_USER ".polypaudio" PATH_SEP "daemon.conf"

#define ENV_SCRIPT_FILE "POLYP_SCRIPT"
#define ENV_CONFIG_FILE "POLYP_CONFIG"
#define ENV_DL_SEARCH_PATH "POLYP_DLPATH"

static const pa_daemon_conf default_conf = {
    .cmd = PA_CMD_DAEMON,
    .daemonize = 0,
    .fail = 1,
    .high_priority = 0,
    .disallow_module_loading = 0,
    .exit_idle_time = -1,
    .module_idle_time = 20,
    .scache_idle_time = 20,
    .auto_log_target = 1,
    .script_commands = NULL,
    .dl_search_path = NULL,
    .default_script_file = NULL,
    .log_target = PA_LOG_SYSLOG,
    .log_level = PA_LOG_NOTICE,
    .resample_method = PA_RESAMPLER_SRC_SINC_FASTEST,
    .config_file = NULL,
    .use_pid_file = 1
};

pa_daemon_conf* pa_daemon_conf_new(void) {
    FILE *f;
    pa_daemon_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));

    if ((f = pa_open_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE, &c->default_script_file)))
        fclose(f);

#ifdef DLSEARCHPATH
    c->dl_search_path = pa_xstrdup(DLSEARCHPATH);
#endif
    return c;
}

void pa_daemon_conf_free(pa_daemon_conf *c) {
    assert(c);
    pa_xfree(c->script_commands);
    pa_xfree(c->dl_search_path);
    pa_xfree(c->default_script_file);
    pa_xfree(c->config_file);
    pa_xfree(c);
}

int pa_daemon_conf_set_log_target(pa_daemon_conf *c, const char *string) {
    assert(c && string);

    if (!strcmp(string, "auto"))
        c->auto_log_target = 1;
    else if (!strcmp(string, "syslog")) {
        c->auto_log_target = 0;
        c->log_target = PA_LOG_SYSLOG;
    } else if (!strcmp(string, "stderr")) {
        c->auto_log_target = 0;
        c->log_target = PA_LOG_STDERR;
    } else
        return -1;

    return 0;
}

int pa_daemon_conf_set_log_level(pa_daemon_conf *c, const char *string) {
    uint32_t u;
    assert(c && string);

    if (pa_atou(string, &u) >= 0) {
        if (u >= PA_LOG_LEVEL_MAX)
            return -1;

        c->log_level = (pa_log_level_t) u;
    } else if (pa_startswith(string, "debug"))
        c->log_level = PA_LOG_DEBUG;
    else if (pa_startswith(string, "info"))
        c->log_level = PA_LOG_INFO;
    else if (pa_startswith(string, "notice"))
        c->log_level = PA_LOG_NOTICE;
    else if (pa_startswith(string, "warn"))
        c->log_level = PA_LOG_WARN;
    else if (pa_startswith(string, "err"))
        c->log_level = PA_LOG_ERROR;
    else
        return -1;

    return 0;
}

int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) {
    int m;
    assert(c && string);

    if ((m = pa_parse_resample_method(string)) < 0)
        return -1;

    c->resample_method = m;
    return 0;
}

static int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
    pa_daemon_conf *c = data;
    assert(filename && lvalue && rvalue && data);

    if (pa_daemon_conf_set_log_target(c, rvalue) < 0) {
        pa_log(__FILE__": [%s:%u] Invalid log target '%s'.\n", filename, line, rvalue);
        return -1;
    }

    return 0;
}

static int parse_log_level(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
    pa_daemon_conf *c = data;
    assert(filename && lvalue && rvalue && data);

    if (pa_daemon_conf_set_log_level(c, rvalue) < 0) {
        pa_log(__FILE__": [%s:%u] Invalid log level '%s'.\n", filename, line, rvalue);
        return -1;
    }

    return 0;
}

static int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, PA_GCC_UNUSED void *userdata) {
    pa_daemon_conf *c = data;
    assert(filename && lvalue && rvalue && data);

    if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) {
        pa_log(__FILE__": [%s:%u] Inavalid resample method '%s'.\n", filename, line, rvalue);
        return -1;
    }

    return 0;
}

int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
    int r = -1;
    FILE *f = NULL;
    
    pa_config_item table[] = {
        { "daemonize",               pa_config_parse_bool,    NULL },
        { "fail",                    pa_config_parse_bool,    NULL },
        { "high-priority",           pa_config_parse_bool,    NULL },
        { "disallow-module-loading", pa_config_parse_bool,    NULL },
        { "exit-idle-time",          pa_config_parse_int,     NULL },
        { "module-idle-time",        pa_config_parse_int,     NULL },
        { "scache-idle-time",        pa_config_parse_int,     NULL },
        { "dl-search-path",          pa_config_parse_string,  NULL },
        { "default-script-file",     pa_config_parse_string,  NULL },
        { "log-target",              parse_log_target,        NULL },
        { "log-level",               parse_log_level,         NULL },
        { "verbose",                 parse_log_level,         NULL },
        { "resample-method",         parse_resample_method,   NULL },
        { "use-pid-file",            pa_config_parse_bool,    NULL },
        { NULL,                      NULL,                    NULL },
    };
    
    table[0].data = &c->daemonize;
    table[1].data = &c->fail;
    table[2].data = &c->high_priority;
    table[3].data = &c->disallow_module_loading;
    table[4].data = &c->exit_idle_time;
    table[5].data = &c->module_idle_time;
    table[6].data = &c->scache_idle_time;
    table[7].data = &c->dl_search_path;
    table[8].data = &c->default_script_file;
    table[9].data = c;
    table[10].data = c;
    table[11].data = c;
    table[12].data = c;
    table[13].data = &c->use_pid_file;
    
    pa_xfree(c->config_file);
    c->config_file = NULL;

    f = filename ?
        fopen(c->config_file = pa_xstrdup(filename), "r") :
        pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file);

    if (!f && errno != ENOENT) {
        pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s\n", filename, strerror(errno));
        goto finish;
    }

    r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0;
    
finish:
    if (f)
        fclose(f);
    
    return r;
}

int pa_daemon_conf_env(pa_daemon_conf *c) {
    char *e;

    if ((e = getenv(ENV_DL_SEARCH_PATH))) {
        pa_xfree(c->dl_search_path);
        c->dl_search_path = pa_xstrdup(e);
    }
    if ((e = getenv(ENV_SCRIPT_FILE))) {
        pa_xfree(c->default_script_file);
        c->default_script_file = pa_xstrdup(e);
    }

    return 0;
}

static const char* const log_level_to_string[] = {
    [PA_LOG_DEBUG] = "debug",
    [PA_LOG_INFO] = "info",
    [PA_LOG_NOTICE] = "notice",
    [PA_LOG_WARN] = "warning",
    [PA_LOG_ERROR] = "error"
};

char *pa_daemon_conf_dump(pa_daemon_conf *c) {
    pa_strbuf *s = pa_strbuf_new();

    if (c->config_file)
        pa_strbuf_printf(s, "### Read from configuration file: %s ###\n", c->config_file);

    assert(c->log_level <= PA_LOG_LEVEL_MAX);
    
    pa_strbuf_printf(s, "daemonize = %i\n", !!c->daemonize);
    pa_strbuf_printf(s, "fail = %i\n", !!c->fail);
    pa_strbuf_printf(s, "high-priority = %i\n", !!c->high_priority);
    pa_strbuf_printf(s, "disallow-module-loading = %i\n", !!c->disallow_module_loading);
    pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
    pa_strbuf_printf(s, "module-idle-time = %i\n", c->module_idle_time);
    pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
    pa_strbuf_printf(s, "dl-search-path = %s\n", c->dl_search_path ? c->dl_search_path : "");
    pa_strbuf_printf(s, "default-script-file = %s\n", c->default_script_file);
    pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
    pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]);
    pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
    pa_strbuf_printf(s, "use-pid-file = %i\n", c->use_pid_file);
    
    return pa_strbuf_tostring_free(s);
}