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我正在用WINSOCK学习基本的网络编程。服务器构建并执行得很好,除非它不能通过返回SOCKET_ERROR的bind()。WinSock返回SOCKET_ERROR没有明显的原因
输出: “错误:SOCKET_ERROR(-1)”
代码:
#pragma once
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#pragma comment (lib,"ws2_32.lib")
#include <WinSock2.h>
#include <WS2tcpip.h>
#include <string>
#include <iostream>
SOCKET NewConnection;
bool ListenForConnection(int PORT, std::string IP)
{
WSADATA wsadata;
int wsa_error = WSAStartup(0x0202, &wsadata);
if (wsa_error)
{
std::cerr << WSAGetLastError() << std::endl;
return false;
}
if (wsadata.wVersion != 0x0202)
{
std::cerr << WSAGetLastError() << std::endl;
WSACleanup();
return false;
}
SOCKADDR_IN IncomingClient;
IncomingClient.sin_family = AF_INET;
IncomingClient.sin_port = htons(PORT);
inet_pton(AF_INET, IP.c_str(), &(IncomingClient));
NewConnection = socket(AF_INET, SOCK_STREAM, NULL);
if (NewConnection == INVALID_SOCKET)
{
std::cerr << "Error: " << NewConnection << std::endl;
return false;
}
if (bind(NewConnection, (LPSOCKADDR)&IncomingClient, sizeof(IncomingClient) == SOCKET_ERROR))
{
std::cerr << "Error: SOCKET_ERROR (-1)" << std::endl;
return false;
}
listen(NewConnection, SOMAXCONN);
}
int main()
{
int PORT = 1337;
std::string IP = "0.0.0.0";
ListenForConnection(PORT, IP);
system("pause");
return 0;
}
尝试使用,而不是0.0.0.0 INADDR_ANY,检查端口尚未使用,否则更改值,然后再试一次 – Raindrop7
已经试过了,没有效果。 –
不同的端口也不工作,我现在尝试了几个。 –