一个连接的问题

#include <WINSOCK2.H>

#include <stdio.h>

#include <stdlib.h>

#include <vector>



using namespace std;



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



typedef vector<SOCKET> SOCKVECT;



SOCKVECT vSkts;



int main(int argc, char * argv[])

{

	WSADATA vWSAData;

	WSAStartup(0x0202, &vWSAData);

	char vIP[16] = "127.0.0.1";

	int vPort = 1111;

	SOCKADDR_IN vAddr;

	memset(&vAddr, 0, sizeof(SOCKADDR_IN));

	vAddr.sin_addr.S_un.S_addr = inet_addr(vIP);

	vAddr.sin_family = AF_INET;

	vAddr.sin_port = htons(vPort);

	while (vSkts.size() < 5000) {

		SOCKET vSkt;

		if ((vSkt = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == - 1) continue;

		if (connect(vSkt, (struct sockaddr *)&vAddr, sizeof(SOCKADDR_IN)) == -1) continue;//这里为什么到三千九百多就都失败？

		vSkts.push_back(vSkt);

	}

	char SendMsg[100];

	for (int i = 0; i < 100; i++) SendMsg[i - 32] = (i % 50) + 33;

	char RecvMsg[1024];

	while (true) {

		for (SOCKVECT::iterator test = vSkts.begin(); test != vSkts.end(); test++) {

			send(*test, SendMsg, 100, 0);

			if (recv(*test, RecvMsg, 1024, 0) < 1){

				closesocket(*test);

				vSkts.erase(test);

				while (true) {

					SOCKET vSkt;

					if (SOCKET vSkt = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) == - 1) continue;

					if (connect(vSkt, (struct sockaddr *)&vAddr, sizeof(SOCKADDR_IN)) == -1) continue;

					vSkts.push_back(vSkt);

					break;

				}

			}

		}

	}

	WSACleanup();

	return 0;

}