siptransmitter.cxx

一个SIP协议栈

#include "SIPTransmitter.h"


namespace msip
{

    //---------------------------------------------------------------------------------------
    Transmitter::Transmitter()
    : tr_IPAddress(0),
      tr_TCPSocket(0),
      tr_UDPSocket(0)
    {
    }


    //---------------------------------------------------------------------------------------
    Transmitter::~Transmitter()
    {
        if(tr_TCPSocket) delete tr_TCPSocket;
        if(tr_UDPSocket) delete tr_UDPSocket;
        if(tr_IPAddress) delete tr_IPAddress;
    }

    //---------------------------------------------------------------------------------------
    bool 
    Transmitter::connect(SendVia via, const std::string & addr, int port)
    {
        if(tr_IPAddress)
        {
            // Transmitter has been already connected
            return false;
        }

        tr_IPAddress = new mh323::IPAddress(addr.c_str());
        if(port) tr_IPAddress->setPort(port);

        if(via == viaUDP)
        {
            tr_UDPSocket = new mh323::UDPSocket;
        }

        if(via == viaTCP)
        {
            tr_TCPSocket = new mh323::TCPSocket;
            tr_TCPSocket->connect(*tr_IPAddress);
        }

        return true;
    }

    //---------------------------------------------------------------------------------------
    bool 
    Transmitter::close()
    {
        if(tr_IPAddress == 0) 
        {
            // Transmitter has not been connected
            return false;
        }

        if(tr_TCPSocket)
        {
            delete tr_TCPSocket;
            tr_TCPSocket = 0;
        }

        if(tr_UDPSocket)
        {
            delete tr_UDPSocket;
            tr_UDPSocket = 0;
        }

        if(tr_IPAddress)
        {
            delete tr_IPAddress;
            tr_IPAddress = 0;
        }
    }


    //---------------------------------------------------------------------------------------
    bool
    Transmitter::send(const std::mstring& msg)
    {
        if(tr_IPAddress == 0) 
        {
            // Transmitter is not connected
            return false;
        }

        if(tr_UDPSocket)
        {
            tr_UDPSocket->sendto(msg.c_str(), msg.length(), *tr_IPAddress);
        }

        if(tr_TCPSocket)
        {
            tr_TCPSocket->send(msg.c_str(), msg.length());
        }
        return true;
    }
    
    

}