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我刚刚在Windows套接字中发现了PGM(实用通用多播)。我读了msdn如何配置发送和接收套接字,但它不起作用。PGM winsock2无法创建套接字
这是迄今为止代码:
#pragma comment(lib,"Ws2_32.lib")
#include <stdio.h>
#include <iostream>
#include <ws2tcpip.h>
#include <Winsock2.h>
#include <wsrm.h>
int main(int argc, const char* argv[])
{
DWORD dwRet = NO_ERROR;
WSADATA wsa_data;
if(WSAStartup(MAKEWORD(2, 0), &wsa_data) != 0) {
dwRet = GetLastError();
WSACleanup();
return dwRet;
}
SOCKET s;
SOCKADDR_IN salocal, sasession;
int dwSessionPort;
s = socket(AF_INET, SOCK_RDM, IPPROTO_RM);
if(s == INVALID_SOCKET)
{
dwRet = GetLastError();
WSACleanup();
return dwRet;
}
salocal.sin_family = AF_INET;
salocal.sin_port = htons (0); // Port is ignored here
salocal.sin_addr.s_addr = htonl (INADDR_ANY);
int iRet = bind (s, (SOCKADDR *)&salocal, sizeof(salocal));
if(iRet == SOCKET_ERROR)
{
dwRet = GetLastError();
WSACleanup();
return dwRet;
}
dwSessionPort = 0;
sasession.sin_family = AF_INET;
sasession.sin_port = htons (dwSessionPort);
sasession.sin_addr.s_addr = inet_addr ("234.5.6.7");
connect (s, (SOCKADDR *)&sasession, sizeof(sasession));
return dwRet;
}
我得到错误代码10044(不支持接口类型)当我尝试创建套接字。我如何启用PGM的使用?
我目前正在使用安装了MSMQ的Windows 7。
编辑 这是我读过的msdn网站。