int main(int argc, char** argv){
	char* hname;
	char* sname;
	debug_lib::init(argv[0]);

	if ( argc == 2 ){
		hname = NULL;
		sname = argv[1];
	}else if ( argc == 3 ){
		hname = argv[1];
		sname = argv[2];
	}else{
		debug_lib::log( "exit: wrong arguments passed %d\n", argc );
		print_help();
		exit(1);
	}

	try{
		TCPServerSocket* sock = new TCPServerSocket();
		sock->bind(hname, sname);
		sock->listen();

		do{
			while( true ){
				TCPSocket* acceptsock = sock->accept();
				MessageFramer* framer = new FixedLenFramer(sizeof(nowait_struct));
				TCPAcceptSocketNoWait* acceptsocknw = 
							new TCPAcceptSocketNoWait( acceptsock->getFd(), framer);
				Message msg;
				msg.setFramer(framer);
				struct nowait_struct stmsg;
				strcpy( stmsg.str, "hello world in a structure" );
				msg.putDataRaw( (char*)&stmsg, sizeof(nowait_struct) );
				acceptsocknw->send( msg );
				//delete only closes the socket from the server side. The socket is still open on the client side.
				delete acceptsock;
				delete framer;
				delete acceptsocknw;
			}
		} while(1);

	}catch(debug_lib::Exception& e){
		debug_lib::log( "exit due to error in server: %s", e.what());
		exit(1);
	}catch(...){
		debug_lib::log( "exit due to error in server: %s", "unknown error" );
		exit(1);
	}
	return 0;
}
int main() {
	//create tcp socket and establish a connection
    TCPServerSocket tcpServerSocket;

    int ret = tcpServerSocket.initialize();
    ASSERT(ret == 0);
    
    int serverUdpPort = tcpServerSocket.negotiate();
    ASSERT(serverUdpPort > 1024);

    tcpServerSocket.close();

    //open a udp socket and listen for str
    UDPSocket udpSocket;
    ret = udpSocket.open(serverUdpPort);
    ASSERT(ret == 0);
    LOG("Server opened UDP Port %i\n", serverUdpPort);

    char buf[1024];
    unsigned long remoteIp;
    int remotePort;
    
    //read, reverse string and send it back to client
	int readBytes = udpSocket.read(buf, 1024, remoteIp, remotePort);
	buf[readBytes] = '\0';
    ASSERT(readBytes > 0);
    LOG("Server Received: %s\n", buf);

    //Reverse the string and write to the buffer again
    str_reverse(buf);

    int writeBytes = udpSocket.write(remoteIp, remotePort, (const char *) buf, readBytes);
    ASSERT(writeBytes > 0);
    LOG("Server sent: %s\n", buf);

    udpSocket.close();

    return 0;
}
Exemple #3
0
int main(int argc, char** argv){
	char* hname;
	char* sname;
	debug_lib::init(argv[0]);

	if ( argc == 2 ){
		hname = NULL;
		sname = argv[1];
	}else if ( argc == 3 ){
		hname = argv[1];
		sname = argv[2];
	}else{
		debug_lib::log( "exit: wrong arguments passed %d\n", argc );
		print_help();
		exit(1);
	}

	try{
		TCPServerSocket* sock = new TCPServerSocket();
		sock->bind(hname, sname);
		sock->listen();

		do{
			TCPSocket* acceptsock = sock->accept();
			service(acceptsock);
			//delete only closes the socket from the server side. The socket is still open on the client side.
			delete acceptsock;
		} while(0);

	}catch(debug_lib::Exception& e){
		debug_lib::log( "exit due to error in server: %s", e.what());
		exit(1);
	}catch(...){
		debug_lib::log( "exit due to error in server: %s", "unknown error" );
		exit(1);
	}
	return 0;
}
int main() {

#ifdef OS_WIN32
    WSAData wsaData;
    int nCode;
    assert( WSAStartup(MAKEWORD(2, 2), &wsaData) == 0);
#endif
    int sock = socket(AF_INET, SOCK_STREAM, 0);

    TCPServerSocket server (sock);
    TCPSocketAddress localAddr("127.0.0.1", 10001);
    if (server.bind(&localAddr)) {
        std::cout << server.getLastError().getErrorString() << std::endl;
        return -1;
    }

    if (server.listen(10)) {
        perror("While listening");
        return -2;
    }

    TCPSocketAddress *addr = 0;
    server.poll(IODevice::POLL_READ,-1);
    TCPSocket *socket = (TCPSocket *)(server.accept((SocketAddress **)&addr));
    if (socket == NULL) {
        std::cout << server.getLastError() << std::endl;
        return -3;
    }

    std::cout << "Get remote "<<socket->getPeerAddress()->getReadable()<<std::endl;

    socket->close();
    server.close();

    return 0;
}
Exemple #5
0
void runServer(const char * host, int port, bool withBlocking)
{
  printf("Setting up a server socket to %s:%d\n", host, port);

  char buf[1024];

  TCPServerSocket server;
  int i, err = server.open(host, port, 5);
// err = server.open(0, port, 5)
  if(err) {
    const int  msgSize = 128;
    char  msgBuf[msgSize] = "";
    printf("%s cannot open server socket to %s:%d -> %s\n", 
	   appname, host, port, strerror_s(msgBuf, msgSize, err));
    return;
  }
  
  for(i = 0; i < 10; i++) {
    puts("Waiting for a connection");

    while(withBlocking && !server.isPendingConnection(1000000)) {
      printf(".");
      fflush(0);
    }

    TCPSocket * socket = server.accept();

    if(!socket) {
      Radiant::error("Could not create accept a socket connection.");
      return;
    }

    socket->setNoDelay(true);

    printf("Got a new socket %p\n", socket);
    fflush(0);

    for(int j = 0; j < iterations; j++) {
      int32_t len = 0;
      buf[0] = '\0';
      int n = socket->read( & len, 4);
      
      if(n != 4) {
	Radiant::error("Could not read 4 header bytes from the socket, got %d", n);
	delete socket;
	return;
      }
      
      n = socket->read(buf, len);
      
      if(n != len) {
	Radiant::error("Could not read %d data bytes from the socket, got %d",
		       len, n);
      }
      
      printf("Received \"%s\"\n", buf);

      if(withreplies) {
	socket->write( & len, 4);
	socket->write( & buf, len);
      }
    }

    delete socket;
  }
  
  fflush(0);

  info("%s %d clients handled, returning", appname, i);
}