#include "stdafx.h"
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
//#include <winsock2.h>
#include <string>
#pragma comment (lib, "ws2_32.lib")
#define SRV_IP      "192.168.1.6"
#define SRV_PORT    44000
#define BUFFERSIZE  2000000
#define filePath    _T("C:\\Users\\einst\\Documents\\Cpp\\Log.txt")
using namespace std;
typedef struct {
	char msg[BUFFERSIZE];
	LPSYSTEMTIME time;
} sendMsg;

typedef struct
{
	SOCKET		sock;
} THREAD_PARAM;

	DWORD g_BytesTransferred = 0;

int sendall(CHAR *msg, int len, SOCKET sock) {
	CHAR *buf = msg;
	int remained = len;
	int error = 0, count;
	while (remained && !error) {
		count = send(sock, buf, remained, 0);
		error = (count == 0);
		remained -= count;
		buf += count;
	}
	return error;
}

SOCKET ConnectToServer(char *ip, USHORT port) {
	//Init winsock
	WORD	wVersionRequested = MAKEWORD(2, 0);
	WSADATA wsaData;
	int err;
	err = WSAStartup(wVersionRequested, &wsaData);
	if (err)
		return INVALID_SOCKET;

	//Create socket
	SOCKET sock;
	sock = socket(AF_INET, SOCK_STREAM, 0);
	if (sock == INVALID_SOCKET)
		return INVALID_SOCKET;

	//Connect to the server
	struct sockaddr_in saServer;
	saServer.sin_family = AF_INET;
	saServer.sin_addr.s_addr = inet_addr(ip);
	saServer.sin_port = htons(port);
	err = connect(sock, (sockaddr*)&saServer, sizeof(saServer));
	if (err)
		return INVALID_SOCKET;

	return sock;
}

void SendFile(SOCKET sock) {
	HANDLE hFile = CreateFile(filePath,
							  GENERIC_READ,
							  0,
							  NULL,
							  OPEN_ALWAYS,
							  FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
							  0);
	sendMsg readBuffer;
	GetLocalTime(readBuffer.time);

	sendall((char*)&readBuffer.msg, sizeof(sendMsg), sock);

	CloseHandle(hFile);
}

DWORD WINAPI ClientThread(void *pParam) {
	THREAD_PARAM *pInfo = (THREAD_PARAM*)pParam;
	SendFile(pInfo->sock);
	return 0;
}

int main() {
	HANDLE hThread;
	THREAD_PARAM tp;
	SOCKET sock;
	sock = ConnectToServer(SRV_IP, SRV_PORT);
	if (sock != INVALID_SOCKET) {
		tp.sock = sock;
		hThread = CreateThread(NULL, 0, ClientThread, &tp, 0, NULL);
	}

	closesocket(sock);
	WSACleanup();
	getchar();
	return 0;
}