play.c

   1 /*
   2  * Copyright (C) 2012 Andre Noll <maan@systemlinux.org>
   3  *
   4  * Licensed under the GPL v2. For licencing details see COPYING.
   5  */
   6
   7 /** \file play.c Paraslash's standalone player. */
   8
   9 #include <regex.h>
  10
  11 #include "para.h"
  12 #include "list.h"
  13 #include "play.cmdline.h"
  14 #include "filter.cmdline.h"
  15 #include "error.h"
  16 #include "ggo.h"
  17 #include "buffer_tree.h"
  18 #include "version.h"
  19 #include "string.h"
  20 #include "sched.h"
  21 #include "filter.h"
  22 #include "afh.h"
  23 #include "recv.h"
  24 #include "write.h"
  25 #include "write_common.h"
  26 #include "fd.h"
  27
  28 static struct play_args_info conf;
  29
  30 /** Initialize the array of errors for para_play. */
  31 INIT_PLAY_ERRLISTS;
  32
  33 /* Activate the afh receiver. */
  34 extern void afh_recv_init(struct receiver *r);
  35 #undef AFH_RECEIVER
  36 #define AFH_RECEIVER {.name = "afh", .init = afh_recv_init},
  37 DEFINE_RECEIVER_ARRAY;
  38
  39 /* FIXME: This is needed by the amp filter. */
  40 char *stat_item_values[NUM_STAT_ITEMS] = {NULL};
  41
  42 static int loglevel = LL_WARNING;
  43 INIT_STDERR_LOGGING(loglevel);
  44
  45 __noreturn static void print_help_and_die(void)
  46 {
  47         int d = conf.detailed_help_given;
  48         const char **p = d? play_args_info_detailed_help
  49                 : play_args_info_help;
  50
  51         printf_or_die("%s\n\n", PLAY_CMDLINE_PARSER_PACKAGE "-"
  52                 PLAY_CMDLINE_PARSER_VERSION);
  53         printf_or_die("%s\n\n", play_args_info_usage);
  54         for (; *p; p++)
  55                 printf_or_die("%s\n", *p);
  56         print_filter_helps(d);
  57         print_writer_helps(d);
  58         exit(0);
  59 }
  60
  61 static void parse_config_or_die(int argc, char *argv[])
  62 {
  63         int ret;
  64         char *config_file;
  65         struct play_cmdline_parser_params params = {
  66                 .override = 0,
  67                 .initialize = 1,
  68                 .check_required = 0,
  69                 .check_ambiguity = 0,
  70                 .print_errors = 1
  71         };
  72
  73         if (play_cmdline_parser_ext(argc, argv, &conf, &params))
  74                 exit(EXIT_FAILURE);
  75         HANDLE_VERSION_FLAG("play", conf);
  76         if (conf.help_given || conf.detailed_help_given)
  77                 print_help_and_die();
  78         loglevel = get_loglevel_by_name(conf.loglevel_arg);
  79         if (conf.config_file_given)
  80                 config_file = para_strdup(conf.config_file_arg);
  81         else {
  82                 char *home = para_homedir();
  83                 config_file = make_message("%s/.paraslash/play.conf", home);
  84                 free(home);
  85         }
  86         ret = file_exists(config_file);
  87         if (conf.config_file_given && !ret) {
  88                 PARA_EMERG_LOG("can not read config file %s\n", config_file);
  89                 goto err;
  90         }
  91         if (ret) {
  92                 params.initialize = 0;
  93                 params.check_required = 1;
  94                 play_cmdline_parser_config_file(config_file, &conf, &params);
  95         }
  96         free(config_file);
  97         return;
  98 err:
  99         free(config_file);
 100         exit(EXIT_FAILURE);
 101 }
 102
 103 int main(int argc, char *argv[])
 104 {
 105         /* needed this early to make help work */
 106         recv_init();
 107         filter_init();
 108         writer_init();
 109
 110         parse_config_or_die(argc, argv);
 111         return 0;
 112 }