main.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4 #include <signal.h>
   5 #include <glib.h>
   6
   7 #include "config.h"
   8 #include "libmpdclient.h"
   9 #include "support.h"
  10 #include "mpc.h"
  11 #include "options.h"
  12 #include "command.h"
  13 #include "screen.h"
  14
  15 static mpd_client_t *mpc = NULL;
  16
  17
  18 void
  19 exit_and_cleanup(void)
  20 {
  21   screen_exit();
  22   charset_close();
  23   if( mpc )
  24     {
  25       if( mpc_error(mpc) )
  26         fprintf(stderr,"Error: %s\n", mpc_error_str(mpc));
  27       mpc_close(mpc);
  28     }
  29 }
  30
  31 void
  32 catch_sigint( int sig )
  33 {
  34   printf( "\nExiting...\n");
  35   exit(EXIT_SUCCESS);
  36 }
  37
  38 int
  39 main(int argc, const char *argv[])
  40 {
  41   options_t *options;
  42   struct sigaction act;
  43   int counter, connected;
  44
  45   /* parse command line options */
  46   options_init();
  47   options = options_parse(argc, argv);
  48
  49   /* initialize local charset */
  50   if( charset_init() )
  51     exit(EXIT_FAILURE);
  52
  53   /* setup signal behavior - SIGINT */
  54   sigemptyset( &act.sa_mask );
  55   act.sa_flags    = 0;
  56   act.sa_handler = catch_sigint;
  57   if( sigaction( SIGINT, &act, NULL )<0 )
  58     {
  59       perror("signal");
  60       exit(EXIT_FAILURE);
  61     }
  62   /* setup signal behavior - SIGWINCH  */
  63   sigemptyset( &act.sa_mask );
  64   act.sa_flags    = 0;
  65   act.sa_handler = screen_resized;
  66   if( sigaction( SIGWINCH, &act, NULL )<0 )
  67     {
  68       perror("sigaction()");
  69       exit(EXIT_FAILURE);
  70     }
  71   /* setup signal behavior - SIGTERM */
  72   sigemptyset( &act.sa_mask );
  73   act.sa_flags    = 0;
  74   act.sa_handler = catch_sigint;
  75   if( sigaction( SIGTERM, &act, NULL )<0 )
  76     {
  77       perror("sigaction()");
  78       exit(EXIT_FAILURE);
  79     }
  80
  81   /* set xterm title */
  82   if( getenv("DISPLAY") )
  83     printf("%c]0;%s%c", '\033', PACKAGE " v" VERSION, '\007');
  84
  85   /* install exit function */
  86   atexit(exit_and_cleanup);
  87
  88   /* connect to our music player daemon */
  89   mpc = mpc_connect(options->host, options->port);
  90   if( mpc_error(mpc) )
  91     exit(EXIT_FAILURE);
  92
  93   /* initialize curses */
  94   screen_init();
  95
  96   counter=0;
  97   connected=1;
  98   while( connected || options->reconnect )
  99     {
 100       command_t cmd;
 101
 102       if( connected && counter==0  )
 103         {
 104           mpc_update(mpc);
 105           if( mpc_error(mpc) )
 106             {
 107               connected=0;
 108               screen_status_printf("Lost connection to %s", options->host);
 109               mpd_closeConnection(mpc->connection);
 110               mpc->connection = NULL;
 111             }
 112           else
 113             mpd_finishCommand(mpc->connection);
 114           counter=10;
 115         }
 116
 117       if( connected )
 118         {
 119           screen_update(mpc);
 120           if( (cmd=get_keyboard_command()) != CMD_NONE )
 121             {
 122               screen_cmd(mpc, cmd);
 123               if( cmd==CMD_VOLUME_UP || cmd==CMD_VOLUME_DOWN)
 124                 counter=10;
 125               else
 126                 counter=0;
 127             }
 128         }
 129       else if( options->reconnect )
 130         {
 131           sleep(3);
 132           screen_status_printf("Connecting to %s...  [Press Ctrl-C to abort]",
 133                                options->host);
 134           if( mpc_reconnect(mpc, options->host, options->port) == 0 )
 135             {
 136               screen_status_printf("Connected to %s!", options->host);
 137               connected=1;
 138               counter=0;
 139             }
 140         }
 141
 142       if( counter>0 )
 143         counter--;
 144
 145     }
 146   exit(EXIT_FAILURE);
 147 }