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#include <stdio.h>
#include <stdlib.h> // Needed for _wtoi
#include <winsock2.h>
#include <ws2tcpip.h>
int main(int argc, char **argv) {
WSADATA wsaData = {};
int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
if (iResult != 0) {
wprintf(L"WSAStartup failed: %d\n", iResult);
return 1;
}
SOCKET sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (sock == INVALID_SOCKET) {
wprintf(L"socket function failed with error = %d\n", WSAGetLastError());
} else {
wprintf(L"socket function succeeded\n");
}
sockaddr_in clientService;
clientService.sin_family = AF_INET;
clientService.sin_addr.s_addr = inet_addr("127.0.0.1");
clientService.sin_port = htons(9095);
do {
iResult = connect(sock, (SOCKADDR *)&clientService, sizeof(clientService));
if (iResult == SOCKET_ERROR) {
wprintf(L"connect function failed with error: %ld\n", WSAGetLastError());
Sleep(1000);
}
} while (iResult == SOCKET_ERROR);
wprintf(L"Connected to server.\n");
char sendbuf[] = "Hello Driver, greetings from userspace.";
iResult = send(sock, sendbuf, (int)strlen(sendbuf), 0);
if (iResult == SOCKET_ERROR) {
wprintf(L"send failed with error: %d\n", WSAGetLastError());
closesocket(sock);
WSACleanup();
return 1;
}
{
char recvbuf[1024];
iResult = recv(sock, recvbuf, 1024, 0);
if (iResult > 0) {
wprintf(L"Bytes received: %d\n", iResult);
wprintf(L"Data received: %.*s\n", iResult, recvbuf);
} else if (iResult == 0) {
wprintf(L"Connection closed by remote\n");
} else if (WSAGetLastError() != WSAECONNRESET) {
wprintf(L"recv failed: %d\n", WSAGetLastError());
}
};
wprintf(L"Closing Connection ..\n");
iResult = closesocket(sock);
if (iResult == SOCKET_ERROR) {
wprintf(L"closesocket function failed with error: %ld\n",
WSAGetLastError());
WSACleanup();
return 1;
}
WSACleanup();
system("pause");
return 0;
}
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