l3.xsock/lib/xsock_udp.cpp

#include "xsock.h"

// constantes utilis<69>es dans XSock.cpp et dans XSockUDP.cpp
#define NBPORTSPUB      64512
#define PNUMPORTPUB     1025
#define GETPORTPUB()    PNUMPORTPUB+(rand()%NBPORTSPUB)

#define VERBGAPP		0
#define VERBACCEPT		0
#define VERBLAUNCHCLI   0
#define VERBSEND		0
#define VERBRECV		0


#define VERBOSE             1
#define ACK                 0
#define NON_ACK             1
#define HI                  2
#define BYE                 3
#define SIZEADD             2*sizeof(u_short) + 2*sizeof(u_int)
#define SIZESTART           2*sizeof(u_short) + sizeof(u_int)
#define NBMAXTENTATIVES     16
#define TIMERBASE           10000

using namespace std;
using namespace XSockExcept;


namespace XSock {
	/*
		 extern u_int nbConn;

		 void XSock::AddConnectionToManage(int desc){

		 }*/

	void XSock::close_udp(){
		::close(this->_sockFd);
	}

	void XSock::launch_udp_client(){
		if(VERBLAUNCHCLI >=1){cout << "--> launch_udp_client\n\tentree dans launch_udp_client" << endl;}
		if(this->_server.sin_port == htons(0)){
			throw eXSockNotReady();
		}else{
			// rien a faire... je crois
		}
	}

	void XSock::launch_udp_server(){
		/* TODO: choisir mono ou multi-processus */
		/* meme remarque que dans TCP */
		if((this->_sockFd=socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP))==-1){
			perror("eInvalidSocket");
			throw eInvalidSocket();
		}

		if (bind(this->_sockFd,
					(struct sockaddr*)&this->_server,
					sizeof(this->_server))==-1)
		{
			perror("eUnableToBind");
			throw eUnableToBind();
		}
	}

	XSock XSock::accept_udp(){
		// rien a faire
	}

	ssize_t XSock::recv_udp(void *bufferData, ssize_t size){
		ssize_t p = read(this->_sockFd, bufferData, size);
		// traiter les erreurs...
		return p;
	}

	ssize_t XSock::send_udp(const void *bufferData, ssize_t size){
		ssize_t p = write(this->_sockFd, bufferData, size);
		// traiter les erreurs...
		return p;
	}
}