php udp ipv6,ipv6实现udp编程示例

#include

#include

#include

#pragma comment(lib, "ws2_32.lib")

int main(int argc, char** argv)

{

using namespace std;

cout<

WORD wVersion = 0;

WSADATA wsaData;

memset(&wsaData, 0, sizeof(wsaData));

wVersion = MAKEWORD(2, 2);

if (0 != WSAStartup(wVersion, &wsaData))

{

return -1;

}

if (2 != LOBYTE(wsaData.wVersion) || 2 != HIBYTE(wsaData.wVersion))

{

WSACleanup();

return -1;

}

struct addrinfo hints;

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;

if (0 != getaddrinfo("192.168.0.19", "6677", &hints, &res))

{

WSACleanup();

return -1;

}

SOCKET sk = socket(res->ai_family, res->ai_socktype, res->ai_protocol);

bind(sk, res->ai_addr, res->ai_addrlen);

char recvBuf[1024] = {'\0'};

int lenRecv = 0;

struct sockaddr_storage storage;

int len = sizeof(storage);

memset(&storage, 0, len);

lenRecv = recvfrom(sk, recvBuf, 1024, 0, (struct sockaddr*)&storage, &len);

cout<

sendto(sk, recvBuf, lenRecv, 0, (struct sockaddr*)&storage, len);

WSACleanup();

closesocket(sk);

return 0;

}