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-rw-r--r--polyp/daemon-conf.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/polyp/daemon-conf.c b/polyp/daemon-conf.c
new file mode 100644
index 00000000..72ded989
--- /dev/null
+++ b/polyp/daemon-conf.c
@@ -0,0 +1,231 @@
+/* $Id$ */
+
+/***
+ This file is part of polypaudio.
+
+ polypaudio is free software; you can redistribute it and/or modify
+ it under the terms of the GNU 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 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 <samplerate.h>
+
+#include "daemon-conf.h"
+#include "util.h"
+#include "xmalloc.h"
+#include "strbuf.h"
+#include "confparser.h"
+
+#ifndef DEFAULT_SCRIPT_FILE
+#define DEFAULT_SCRIPT_FILE "/etc/polypaudio/default.pa"
+#endif
+
+#ifndef DEFAULT_SCRIPT_FILE_USER
+#define DEFAULT_SCRIPT_FILE_USER ".polypaudio/default.pa"
+#endif
+
+#ifndef DEFAULT_CONFIG_FILE
+#define DEFAULT_CONFIG_FILE "/etc/polypaudio/daemon.conf"
+#endif
+
+#ifndef DEFAULT_CONFIG_FILE_USER
+#define DEFAULT_CONFIG_FILE_USER ".polypaudio/daemon.conf"
+#endif
+
+#define ENV_SCRIPT_FILE "POLYP_SCRIPT"
+#define ENV_CONFIG_FILE "POLYP_CONFIG"
+#define ENV_DL_SEARCH_PATH "POLYP_DLPATH"
+
+static const struct pa_daemon_conf default_conf = {
+ .cmd = PA_CMD_DAEMON,
+ .daemonize = 0,
+ .fail = 1,
+ .verbose = 0,
+ .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,
+ .resample_method = SRC_SINC_FASTEST
+};
+
+char* default_file(const char *envvar, const char *global, const char *local) {
+ char *p, *h;
+
+ assert(envvar && global && local);
+
+ if ((p = getenv(envvar)))
+ return pa_xstrdup(p);
+
+ if ((h = getenv("HOME"))) {
+ p = pa_sprintf_malloc("%s/%s", h, local);
+ if (!access(p, F_OK))
+ return p;
+
+ pa_xfree(p);
+ }
+
+ return pa_xstrdup(global);
+}
+
+struct pa_daemon_conf* pa_daemon_conf_new(void) {
+ struct pa_daemon_conf *c = pa_xmemdup(&default_conf, sizeof(default_conf));
+ c->default_script_file = default_file(ENV_SCRIPT_FILE, DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER);
+#ifdef DLSEARCHPATH
+ c->dl_search_path = pa_xstrdup(DLSEARCHPATH);
+#endif
+ return c;
+}
+
+void pa_daemon_conf_free(struct 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);
+}
+
+int parse_log_target(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, void *userdata) {
+ struct pa_daemon_conf *c = data;
+ assert(filename && lvalue && rvalue && data);
+
+ if (!strcmp(rvalue, "auto"))
+ c->auto_log_target = 1;
+ else if (!strcmp(rvalue, "syslog")) {
+ c->auto_log_target = 0;
+ c->log_target = PA_LOG_SYSLOG;
+ } else if (!strcmp(rvalue, "stderr")) {
+ c->auto_log_target = 0;
+ c->log_target = PA_LOG_STDERR;
+ } else {
+ pa_log(__FILE__": [%s:%u] Invalid log target '%s'.\n", filename, line, rvalue);
+ return -1;
+ }
+
+ return 0;
+}
+
+int parse_resample_method(const char *filename, unsigned line, const char *lvalue, const char *rvalue, void *data, void *userdata) {
+ struct pa_daemon_conf *c = data;
+ assert(filename && lvalue && rvalue && data);
+
+ if (!strcmp(rvalue, "sinc-best-quality"))
+ c->resample_method = SRC_SINC_BEST_QUALITY;
+ else if (!strcmp(rvalue, "sinc-medium-quality"))
+ c->resample_method = SRC_SINC_MEDIUM_QUALITY;
+ else if (!strcmp(rvalue, "sinc-fastest"))
+ c->resample_method = SRC_SINC_FASTEST;
+ else if (!strcmp(rvalue, "zero-order-hold"))
+ c->resample_method = SRC_ZERO_ORDER_HOLD;
+ else if (!strcmp(rvalue, "linear"))
+ c->resample_method = SRC_LINEAR;
+ else {
+ pa_log(__FILE__": [%s:%u] Inavalid resample method '%s'.\n", filename, line, rvalue);
+ return -1;
+ }
+
+ return 0;
+}
+
+int pa_daemon_conf_load(struct pa_daemon_conf *c, const char *filename) {
+ char *def = NULL;
+ int r;
+
+ const struct pa_config_item table[] = {
+ { "verbose", pa_config_parse_bool, &c->verbose },
+ { "daemonize", pa_config_parse_bool, &c->daemonize },
+ { "fail", pa_config_parse_bool, &c->fail },
+ { "high-priority", pa_config_parse_bool, &c->high_priority },
+ { "disallow-module-loading", pa_config_parse_bool, &c->disallow_module_loading },
+ { "exit-idle-time", pa_config_parse_int, &c->exit_idle_time },
+ { "module-idle-time", pa_config_parse_int, &c->module_idle_time },
+ { "scache-idle-time", pa_config_parse_int, &c->scache_idle_time },
+ { "dl-search-path", pa_config_parse_string, &c->dl_search_path },
+ { "default-script-file", pa_config_parse_string, &c->default_script_file },
+ { "log-target", parse_log_target, c },
+ { "resample-method", parse_resample_method, c },
+ { NULL, NULL, NULL },
+ };
+
+ if (!filename)
+ filename = def = default_file(ENV_CONFIG_FILE, DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER);
+
+ r = pa_config_parse(filename, table, NULL);
+ pa_xfree(def);
+ return r;
+}
+
+int pa_daemon_conf_env(struct 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;
+}
+
+char *pa_daemon_conf_dump(struct pa_daemon_conf *c) {
+ struct pa_strbuf *s = pa_strbuf_new();
+ char *d;
+
+ static const char const* resample_methods[] = {
+ "sinc-best-quality",
+ "sinc-medium-quality",
+ "sinc-fastest",
+ "zero-order-hold",
+ "linear"
+ };
+
+ d = default_file(ENV_CONFIG_FILE, DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER);
+ pa_strbuf_printf(s, "### Default configuration file: %s ###\n", d);
+
+ pa_strbuf_printf(s, "verbose = %i\n", !!c->verbose);
+ 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"));
+
+ assert(c->resample_method <= 4 && c->resample_method >= 0);
+ pa_strbuf_printf(s, "resample-method = %s\n", resample_methods[c->resample_method]);
+
+ pa_xfree(d);
+
+ return pa_strbuf_tostring_free(s);
+}
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