BlinkenSend.c (fc6701e) - BlinkenLib · BlinkenArea

BlinkenSend.c

/* BlinkenLib
 * version 0.5 date 2005-12-06
 * Copyright 2004-2005 Stefan Schuermans <1stein@schuermans.info>
 * Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
 * a blinkenarea.org project
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include "BlinkenLib.h"

int main( int argCnt, char * * args )
{
  int i, udpSocket, connected;
  etBlinkenProto proto;
  unsigned int send_cnt, loop_cnt, loop, ui;
  char txt[64];
  unsigned short port;
  struct sockaddr_in addr;
  stBlinkenMovie * pMovie;

//print info
  printf( "BlinkenLib - BlinkenSend\n"
          "version 0.5 date 2005-12-06\n"
          "Copyright 2004-2005 Stefan Schuermans <1stein@schuermans.info>\n"
          "Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html\n"
          "a blinkenarea.org project\n\n" );

//print syntax
  if( argCnt <= 1 )
  {
    printf( "syntax: %s <parameter> [...]\n\n"
            "parameters:\n"
            "  -s [<ip>:]<port>\n"
            "     source address (defaults to 0.0.0.0:0)\n"
            "     must occur before -d and -i, may only occur once\n"
            "  -d <ip>[:<port>]\n"
            "     destination addess (defaults to 127.0.0.1:2323)\n"
            "  -p [BLP|EBLP|MCUF]\n"
            "     protocol to use (defaults to MCUF)\n"
            "  -n <number>\n"
            "     set number of times to send movies (defaults to 1)\n"
            "  -i <file>\n"
            "     read movie from file (*.blm, *.bmm, *.bml, *.bbm) and send it\n"
            "  -l <number>\n"
            "     loop number of times (defaults to 1, use 0 for forever)\n\n",
            args[0] );
    return 0;
  }

//create udp socket
  udpSocket = socket( AF_INET, SOCK_DGRAM, IPPROTO_UDP );
  if( udpSocket == -1 )
  {
    printf( "cannot create UDP socket\n" );
    return -1;
  }

//loop
  loop_cnt = 1;
  for( loop = 0; loop < loop_cnt || loop_cnt == 0; loop++ )
  {

//print loop message
    if( loop_cnt > 1 )
      printf( "--- loop %u/%u ---\n", loop + 1, loop_cnt );
    if( loop_cnt == 0 )
     printf( "--- loop %u ---\n", loop + 1 );

//process parameters
    connected = 0;
    proto = BlinkenProtoMcuf;
    send_cnt = 1;
    for( i = 1; i < argCnt; i++ )
    {

//source address
      if( strcmp( args[i], "-s" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( sscanf( args[i], "%32[0-9.]:%hu", txt, &port ) == 2 )
          {
            addr.sin_family = AF_INET;
            addr.sin_port = htons( port );
            addr.sin_addr.s_addr = inet_addr( txt );
            if( bind( udpSocket, (struct sockaddr *)&addr, sizeof( addr ) ) != 0 )
              printf( "could not set source address to \"%s\"\n", args[i] );
          }
          else if( sscanf( args[i], "%hu", &port ) == 1 )
          {
            addr.sin_family = AF_INET;
            addr.sin_port = htons( port );
            addr.sin_addr.s_addr = htonl( INADDR_ANY );
            if( bind( udpSocket, (struct sockaddr *)&addr, sizeof( addr ) ) != 0 )
              printf( "could not set source address to \"%s\"\n", args[i] );
          }
          else
            printf( "invalid source address \"%s\"\n", args[i] );
        }
        else
          printf( "missing source address for \"-s\"\n" );
      }

//destination address
      else if( strcmp( args[i], "-d" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( sscanf( args[i], "%32[0-9.]:%hu", txt, &port ) == 2 )
          {
            addr.sin_family = AF_INET;
            addr.sin_port = htons( port );
            addr.sin_addr.s_addr = inet_addr( txt );
            if( connect( udpSocket, (struct sockaddr *)&addr, sizeof( addr ) ) != 0 )
              printf( "could not set destination address to \"%s\"\n", args[i] );
            else
              connected = 1;
          }
          else if( sscanf( args[i], "%32[0-9.]", txt ) == 1 )
          {
            addr.sin_family = AF_INET;
            addr.sin_port = htons( 2323 );
            addr.sin_addr.s_addr = inet_addr( txt );
            if( connect( udpSocket, (struct sockaddr *)&addr, sizeof( addr ) ) != 0 )
              printf( "could not set destination address to \"%s\"\n", args[i] );
            else
              connected = 1;
          }
          else
            printf( "invalid destination address \"%s\"\n", args[i] );
        }
        else
          printf( "missing destination address for \"-d\"\n" );
      }

//protocol to use
      else if( strcmp( args[i], "-p" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( strcasecmp( args[i], "BLP" ) == 0 )
            proto = BlinkenProtoBlp;
          else if( strcasecmp( args[i], "EBLP" ) == 0 )
            proto = BlinkenProtoEblp;
          else if( strcasecmp( args[i], "MCUF" ) == 0 )
            proto = BlinkenProtoMcuf;
          else
            printf( "unknown protocol \"%s\"\n", args[i] );
        }
        else
          printf( "missing protocol for \"-p\"\n" );
      }

//number of times to send movies
      else if( strcmp( args[i], "-n" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( sscanf( args[i], "%u", &ui ) == 1 && ui > 0 )
            send_cnt = ui;
          else
            printf( "invalid number \"%s\"\n", args[i] );
        }
        else
          printf( "missing number for \"-n\"\n" );
      }

//read movie and sent it
      else if( strcmp( args[i], "-i" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( ! connected ) //try to connect if not yet connected
          {
            printf( "no destination address to sent movie \"%s\" to,\n"
                    "  using default destination address \"127.0.0.1:2323\"\n", args[i] );
            addr.sin_family = AF_INET;
            addr.sin_port = htons( 2323 );
            addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
            if( connect( udpSocket, (struct sockaddr *)&addr, sizeof( addr ) ) != 0 )
              printf( "could not set destination address to \"127.0.0.1:2323\"\n" );
            else
              connected = 1;
          }
          if( connected )
          {
            pMovie = BlinkenMovieLoad( args[i] );
            if( pMovie == NULL )
              printf( "could not read movie \"%s\"\n", args[i] );
            else
            {
              printf( "movie \"%s\" read\n", args[i] );
              for( ui = 0; ui < send_cnt; ui++ )
              {
                printf( "sending movie \"%s\" (%u/%u)...\n", args[i], ui + 1, send_cnt );
                BlinkenMovieSend( pMovie, udpSocket, proto );
                printf( "movie \"%s\" sent\n", args[i] );
              }
              BlinkenMovieFree( pMovie );
            }
          }
          else
            printf( "no destination address to sent movie \"%s\" to\n", args[i] );
        }
        else
          printf( "missing input filename for \"-i\"\n" );
      }

//number of times to loop
      else if( strcmp( args[i], "-l" ) == 0 )
      {
        if( i + 1 < argCnt )
        {
          i++;
          if( sscanf( args[i], "%u", &ui ) == 1 )
            loop_cnt = ui;
          else
            printf( "invalid number \"%s\"\n", args[i] );
        }
        else
          printf( "missing number for \"-l\"\n" );
      }

//unknown parameter
      else
        printf( "unknown parameter \"%s\", call without parameters to get help\n", args[i] );

} //for( i ...

} //for( loop ...

//close socket
  close( udpSocket );

return 0;
}

BlinkenLib

BlinkenLib v.0.5 (2005-12-06)