Move gengetopt targets to own Makefile.

[paraslash.git] / audiod.c

diff --git a/audiod.c b/audiod.c
index 80d14c485c63106a476ec7d52d4f511163576747..b781527ccabb40c43f50a80aab87ef42ee06fb0e 100644 (file)
--- a/audiod.c
+++ b/audiod.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -14,8 +14,8 @@
 #include "audiod.cmdline.h"
 #include "list.h"
 #include "sched.h"
-#include "recv.h"
 #include "ggo.h"
+#include "recv.h"
 #include "filter.h"
 #include "grab_client.cmdline.h"
 #include "grab_client.h"
@@ -83,7 +83,6 @@ int audiod_status = AUDIOD_ON;
 struct audiod_args_info conf;
 
 static char *socket_name;
-static FILE *logfile;
 static struct audio_format_info afi[NUM_AUDIO_FORMATS];
 
 static struct signal_task signal_task_struct, *sig_task = &signal_task_struct;
@@ -181,49 +180,49 @@ out:
        );
 }
 
-/**
- * the log function of para_audiod
- *
- * \param ll loglevel
- * \param fmt the format string
- */
-void para_log(int ll, const char* fmt,...)
+static int want_colors(void)
 {
-       va_list argp;
-       FILE *outfd;
-       struct tm *tm;
-       time_t t1;
-       char str[MAXLINE] = "";
-       static char *hostname;
-
-       if (ll < conf.loglevel_arg)
-               return;
-       if (!logfile && conf.daemon_given)
-               return;
-       if (!hostname)
-               hostname = para_hostname();
-       outfd = logfile? logfile : stderr;
-       time(&t1);
-       tm = localtime(&t1);
-       strftime(str, MAXLINE, "%b %d %H:%M:%S", tm);
-       fprintf(outfd, "%s %s ", str, hostname);
-       if (conf.loglevel_arg <= INFO)
-               fprintf(outfd, "%i ", ll);
-       va_start(argp, fmt);
-       vfprintf(outfd, fmt, argp);
-       va_end(argp);
+       if (conf.color_arg == color_arg_no)
+               return 0;
+       if (conf.color_arg == color_arg_yes)
+               return 1;
+       if (conf.logfile_given)
+               return 0;
+       return isatty(STDERR_FILENO);
 }
 
-static char *configfile_exists(void)
+static void parse_config_or_die(void)
 {
-       char *home = para_homedir();
-       char *config_file = make_message("%s/.paraslash/audiod.conf",
-               home);
-       free(home);
-       if (file_exists(config_file))
-               return config_file;
+       char *config_file;
+       struct audiod_cmdline_parser_params params = {
+               .override = 0,
+               .initialize = 0,
+               .check_required = 1,
+               .check_ambiguity = 0,
+               .print_errors = 1
+       };
+
+       if (conf.config_file_given)
+               config_file = para_strdup(conf.config_file_arg);
+       else {
+               char *home = para_homedir();
+               config_file = make_message("%s/.paraslash/audiod.conf", home);
+               free(home);
+       }
+       if (conf.config_file_given && !file_exists(config_file)) {
+               PARA_EMERG_LOG("can not read config file %s\n", config_file);
+               goto err;
+       }
+       if (audiod_cmdline_parser_config_file(config_file, &conf, &params)) {
+               PARA_EMERG_LOG("parse error in config file\n");
+               goto err;
+       }
+       free(config_file);
+       daemon_set_loglevel(conf.loglevel_arg);
+       return;
+err:
        free(config_file);
-       return NULL;
+       exit(EXIT_FAILURE);
 }
 
 static void setup_signal_handling(void)
@@ -1069,6 +1068,38 @@ static void set_initial_status(void)
                PARA_WARNING_LOG("invalid mode\n");
 }
 
+__noreturn static void print_help_and_die(void)
+{
+       int d = conf.detailed_help_given;
+       const char **p = d? audiod_args_info_detailed_help
+               : audiod_args_info_help;
+
+       printf_or_die("%s\n\n", AUDIOD_CMDLINE_PARSER_PACKAGE "-"
+               AUDIOD_CMDLINE_PARSER_VERSION);
+       printf_or_die("%s\n\n", audiod_args_info_usage);
+       for (; *p; p++)
+               printf_or_die("%s\n", *p);
+       print_receiver_helps(d);
+       print_filter_helps(d);
+       print_writer_helps(d);
+       exit(0);
+}
+
+static void init_colors_or_die(void)
+{
+       int ret, i;
+
+       if (!want_colors())
+               return;
+       daemon_set_default_log_colors();
+       daemon_set_flag(DF_COLOR_LOG);
+       for (i = 0; i < conf.log_color_given; i++) {
+               ret = daemon_set_log_color(conf.log_color_arg[i]);
+               if (ret < 0)
+                       exit(EXIT_FAILURE);
+       }
+}
+
 /**
  * the main function of para_audiod
  *
@@ -1081,7 +1112,6 @@ static void set_initial_status(void)
  * */
 int main(int argc, char *argv[])
 {
-       char *config_file;
        int ret, i;
        static struct sched s;
        struct command_task command_task_struct, *cmd_task = &command_task_struct;
@@ -1096,28 +1126,24 @@ int main(int argc, char *argv[])
        valid_fd_012();
        audiod_cmdline_parser_ext(argc, argv, &conf, &params);
        HANDLE_VERSION_FLAG("audiod", conf);
-       para_drop_privileges(conf.user_arg, conf.group_arg);
-       config_file = configfile_exists();
-       if (config_file) {
-               params.override = 0;
-               params.initialize = 0;
-               params.check_required = 1;
-               params.check_ambiguity = 0;
-               params.print_errors = 1;
-               if (audiod_cmdline_parser_config_file(config_file, &conf, &params)) {
-                       PARA_EMERG_LOG("parse error in config file\n");
-                       exit(EXIT_FAILURE);
-               }
-               free(config_file);
+       drop_privileges_or_die(conf.user_arg, conf.group_arg);
+       parse_config_or_die();
+       if (conf.help_given || conf.detailed_help_given)
+               print_help_and_die();
+       daemon_set_flag(DF_LOG_TIME);
+       daemon_set_flag(DF_LOG_HOSTNAME);
+       daemon_set_flag(DF_LOG_LL);
+       if (conf.logfile_given) {
+               daemon_set_logfile(conf.logfile_arg);
+               daemon_open_log_or_die();
        }
-       if (conf.logfile_given)
-               logfile = open_log(conf.logfile_arg);
-       log_welcome("para_audiod", conf.loglevel_arg);
+       init_colors_or_die();
        i = init_stream_io();
        if (i < 0) {
                PARA_EMERG_LOG("init stream io error: %s\n", para_strerror(-i));
                exit(EXIT_FAILURE);
        }
+       log_welcome("para_audiod", conf.loglevel_arg);
        server_uptime(UPTIME_SET);
        set_initial_status();
        FOR_EACH_SLOT(i)
@@ -1130,7 +1156,7 @@ int main(int argc, char *argv[])
        init_command_task(cmd_task);
 
        if (conf.daemon_given)
-               daemon_init();
+               daemonize();
 
        register_task(&sig_task->task);
        register_task(&cmd_task->task);