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/* $Id$ */
/***
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 <polyp/xmalloc.h>
#include <polypcore/core-util.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, "r")))
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'.", 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'.", 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'.", 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, "r");
if (!f && errno != ENOENT) {
pa_log(__FILE__": WARNING: failed to open configuration file '%s': %s", 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);
}
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