tools/BlinkenSend.c (860e91b) - BlinkenLib · BlinkenArea

BlinkenSend.c

/* BlinkenLib
   Copyright 2004-2014 Stefan Schuermans <stefan@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>
#ifdef WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#define close closesocket
#define strcasecmp stricmp
#else
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#endif

#include "Tools2.h"
#include <BlinkenLib/BlinkenLib.h>

int main(int argCnt, char **args) {
  int i, connected, ipv6;
  SOCKET udpSocket, tmpSock;
  etBlinkenProto proto;
  unsigned int maxidle, send_cnt, loop_cnt, loop, ui;
  struct sockaddr_in addr;
  struct sockaddr_in6 addr6;
  stBlinkenMovie *pMovie;

// print info
  printf("BlinkenLib - BlinkenSend\n"
         "version %d.%d.%d\n"
         "config " BLINKENLIB_CONFIG "\n"
         "Copyright 2004-2014 Stefan Schuermans <stefan@schuermans.info>\n"
         "Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html\n"
         "a blinkenarea.org project\n\n",
         BLINKENLIB_VERSION_MAJOR, BLINKENLIB_VERSION_MINOR,
         BLINKENLIB_VERSION_REVISION);

// print syntax
  if (argCnt <= 1) {
#ifdef BLINKENLIB_CFG_MNG
#define MNGEXT ", *.mng"
#else
#define MNGEXT
#endif
#ifdef BLINKENLIB_CFG_GIF
#define GIFEXT ", *.gif"
#else
#define GIFEXT
#endif
    printf("syntax: %s <parameter> [...]\n\n"
           "parameters:\n"
           "  -4\n"
           "     use IPv4 (default for now, subject to change)\n"
           "  -6\n"
           "     use IPv6\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"
           "  -t <milliseconds>\n"
           "     set maximum idle time between frames (defaults to 3000, use 0 "
           "for infinite)\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" MNGEXT GIFEXT
           ") and send it\n"
           "  -l <number>\n"
           "     loop number of times (defaults to 1, use 0 for forever)\n\n",
           args[0]);
    return 0;
  }
#ifdef WIN32
  {
    WSADATA WsaData;
    WSAStartup(0x0101, &WsaData);
  }
#endif

// create UDP socket
  ipv6 = 0;
  udpSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
  if (udpSocket == INVALID_SOCKET) {
    printf("cannot create IPv4 UDP socket\n");
#ifdef WIN32
    WSACleanup();
#endif
    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;
    maxidle = 3000;
    send_cnt = 1;
    for (i = 1; i < argCnt; i++) {

// IPv4
      if (strcmp(args[i], "-4") == 0) {
        if (ipv6) {
          // replace socket with new IPv4 UDP socket
          tmpSock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
          if (tmpSock != INVALID_SOCKET) {
            close(udpSocket);
            udpSocket = tmpSock;
            ipv6 = 0;
          } else {
            printf("cannot create IPv4 UDP socket\n");
          }
        }
      }
      // IPv6
      else if (strcmp(args[i], "-6") == 0) {
        if (!ipv6) {
          // replace socket with new IPv6 UDP socket
          tmpSock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
          if (tmpSock != INVALID_SOCKET) {
            close(udpSocket);
            udpSocket = tmpSock;
            ipv6 = 1;
          } else {
            printf("cannot create IPv6 UDP socket\n");
          }
        }
      }
      // source address
      else if (strcmp(args[i], "-s") == 0) {
        if (i + 1 < argCnt) {
          i++;
          if (!ipv6) {
            if (!txt2addr(args[i], &addr) ||
                bind(udpSocket, (struct sockaddr *)&addr, sizeof(addr)) != 0)
              printf("could not set source address to \"%s\"\n", args[i]);
          } else {
            if (!txt2addr6(args[i], &addr6) ||
                bind(udpSocket, (struct sockaddr *)&addr6, sizeof(addr6)) != 0)
              printf("could not set source address to \"%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 (!ipv6) {
            if (!txt2addr(args[i], &addr) ||
                connect(udpSocket, (struct sockaddr *)&addr, sizeof(addr)) != 0)
              printf("could not set destination address to \"%s\"\n", args[i]);
            else
              connected = 1;
          } else {
            if (!txt2addr6(args[i], &addr6) ||
                connect(udpSocket, (struct sockaddr *)&addr6, sizeof(addr6)) !=
                    0)
              printf("could not set destination address to \"%s\"\n", args[i]);
            else
              connected = 1;
          }
        } 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");
      }
      // maximum idle time
      else if (strcmp(args[i], "-t") == 0) {
        if (i + 1 < argCnt) {
          i++;
          if (sscanf(args[i], "%u", &ui) == 1)
            maxidle = ui;
          else
            printf("invalid maximum idle time value \"%s\"\n", args[i]);
        } else
          printf("missing maximum idle time value for \"-t\"\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 send it
      else if (strcmp(args[i], "-i") == 0) {
        if (i + 1 < argCnt) {
          i++;
          if (!connected) // try to connect if not yet connected
          {
            if (!ipv6) {
              printf("no destination address to sent movie \"%s\" to,\n"
                     "  using default destination address \"127.0.0.1:2323\"\n",
                     args[i]);
              if (!txt2addr("127.0.0.1:2323", &addr) ||
                  connect(udpSocket, (struct sockaddr *)&addr, sizeof(addr)) !=
                      0)
                printf("could not set destination address to "
                       "\"127.0.0.1:2323\"\n");
              else
                connected = 1;
            } else {
              printf("no destination address to sent movie \"%s\" to,\n"
                     "  using default destination address \"[::1]:2323\"\n",
                     args[i]);
              if (!txt2addr6("[::1]:2323", &addr6) ||
                  connect(udpSocket, (struct sockaddr *)&addr6,
                          sizeof(addr6)) != 0)
                printf("could not set destination address to \"[::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, maxidle);
                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);

#ifdef WIN32
  WSACleanup();
#endif
  return 0;
}

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