开发测试环境:WIN7SP1、VS2005
UdpServer.cpp
复制代码 代码如下:
#include
#include
#include
#pragma comment(lib, "ws2_32.lib")
int main(int argc, char** argv)
{
using namespace std;
cout<<"Server Start..."< WORD wVersion = 0; if (0 != WSAStartup(wVersion, &wsaData)) if (2 != LOBYTE(wsaData.wVersion) || 2 != HIBYTE(wsaData.wVersion)) struct addrinfo hints; if (0 != getaddrinfo("192.168.0.19", "6677", &hints, &res)) SOCKET sk = socket(res->ai_family, res->ai_socktype, res->ai_protocol); char recvBuf[1024] = {' '}; struct sockaddr_storage storage; lenRecv = recvfrom(sk, recvBuf, 1024, 0, (struct sockaddr*)&storage, &len); WSACleanup(); return 0; UdpClient.cpp #pragma comment(lib, "ws2_32.lib") int main(int argc, char** argv) cout<<"Client Start..."< WORD wVersion = 0; if (0 != WSAStartup(wVersion, &wsaData)) if (2 != LOBYTE(wsaData.wVersion) || 2 != HIBYTE(wsaData.wVersion)) struct addrinfo hints; if (0 != getaddrinfo("192.168.0.19", "6677", &hints, &res)) SOCKET sk = socket(res->ai_family, res->ai_socktype, res->ai_protocol); char recvBuf[1024] = {' '}; sendto(sk, sendBuf, strlen(sendBuf), 0, res->ai_addr, len); WSACleanup(); return 0;
WSADATA wsaData;
memset(&wsaData, 0, sizeof(wsaData));
wVersion = MAKEWORd(2, 2);
{
return -1;
}
{
WSACleanup();
return -1;
}
struct addrinfo* res = NULL;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
hints.ai_flags = AI_PASSIVE;
{
WSACleanup();
return -1;
}
bind(sk, res->ai_addr, res->ai_addrlen);
int lenRecv = 0;
int len = sizeof(storage);
memset(&storage, 0, len);
cout<<"Recv From Client:"<
closesocket(sk);
}
复制代码 代码如下:
#include
#include
#include
{
using namespace std;
WSADATA wsaData;
memset(&wsaData, 0, sizeof(wsaData));
wVersion = MAKEWORd(2, 2);
{
return -1;
}
{
WSACleanup();
return -1;
}
struct addrinfo* res = NULL;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
hints.ai_flags = AI_CANONNAME;
{
WSACleanup();
return -1;
}
bind(sk, res->ai_addr, res->ai_addrlen);
char sendBuf[1024] = {"abcd"};
int len = res->ai_addrlen;
int lenRecv = 0;
lenRecv = recvfrom(sk, recvBuf, 1024, 0, res->ai_addr, &(len));
cout<<"Recv From Server:"<
closesocket(sk);
}



