Windows IO 性能简单测试

转自：http://bbs.csdn.net/topics/360111289，
有改动。

#include <windows.h>
#include <stdio.h>
#include <process.h>
#include<memory>
#pragma comment(lib,"ws2_32.lib")
ULONGLONG g_nReadCounts=0,g_nWriteCounts=0,g_nOtherCounts=0,g_nReadsBytes=0,g_nWriteBytes=0,g_nOtherBytes=0;
void PrintIODetails() 
{
	static DWORD lastTickCount;
	static IO_COUNTERS lastIoCounters;
	DWORD tickCount;
	IO_COUNTERS ioCounters;
	static int firstTime = 1;
	tickCount = GetTickCount();
	if (!GetProcessIoCounters(GetCurrentProcess(), &ioCounters)) {
		return;
	}
	if (firstTime) 
	{
		firstTime = 0;
		printf("    Time    Reads   Writes   Others     Read(Bytes)    Write(Bytes)    Other(Bytes)\n");
		printf("--------------------------------------------------------------------------------\n");
	}
	else 
	{
		printf("%8lu%8llu%8llu%8llu%16llu%16llu%16llu\n",
			tickCount - lastTickCount,
			ioCounters.ReadOperationCount - lastIoCounters.ReadOperationCount,
			ioCounters.WriteOperationCount - lastIoCounters.WriteOperationCount,
			ioCounters.OtherOperationCount - lastIoCounters.OtherOperationCount,
			ioCounters.ReadTransferCount - lastIoCounters.ReadTransferCount,
			ioCounters.WriteTransferCount - lastIoCounters.WriteTransferCount,
			ioCounters.OtherTransferCount - lastIoCounters.OtherTransferCount
			);
		g_nReadCounts += (ioCounters.ReadOperationCount - lastIoCounters.ReadOperationCount);
		g_nWriteCounts += (ioCounters.WriteOperationCount - lastIoCounters.WriteOperationCount);
		g_nOtherCounts += (ioCounters.OtherOperationCount - lastIoCounters.OtherOperationCount);
		g_nReadsBytes += (ioCounters.ReadTransferCount - lastIoCounters.ReadTransferCount);
		g_nWriteBytes += (ioCounters.WriteTransferCount - lastIoCounters.WriteTransferCount);
		g_nOtherBytes += (ioCounters.OtherTransferCount - lastIoCounters.OtherTransferCount);
	}
	lastTickCount = tickCount;
	memcpy(&lastIoCounters, &ioCounters, sizeof(IO_COUNTERS));
}
#define PACKCOUNT 10
#define BUFFSIEZ 50000
volatile bool bWorkThreadFinish = false;
void workerThread(void * dummy) 
{
	int i;
	FILE * fp;
	char buff[BUFFSIEZ];
	WSADATA wsaData;
	SOCKET s;
	struct sockaddr_in localAddr;
	struct sockaddr_in peerAddr;
	memset(buff, ‘X‘, sizeof(buff));
	Sleep(2000);
	// 写文件
	fp = fopen("io.txt", "w");
	if (fp) {
		printf("fwrite = %d\n", fwrite(buff, 1, sizeof(buff), fp));
		Sleep(10000);
		// 关闭文件，测试Flush
		printf("fclose\n");
		fclose(fp);
		Sleep(2000);
	}
	// 读文件
	fp = fopen("io.txt", "r");
	if (fp) {
		printf("fread = %d\n", fread(buff, 1, sizeof(buff), fp));
		fclose(fp);
		Sleep(2000);
	}
	// 网络发
	memset((void *)&localAddr, 0, sizeof(localAddr));
	localAddr.sin_family = AF_INET;
	localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
	localAddr.sin_port = htons(0);
	memset((void *)&peerAddr, 0, sizeof(peerAddr));
	peerAddr.sin_family = AF_INET;
	peerAddr.sin_addr.s_addr = inet_addr("10.19.85.1");
	peerAddr.sin_port = htons(3389);
	printf("WSAStartup\n");
	WSAStartup(MAKEWORD(2, 2), &wsaData);
	Sleep(2000);
	// UDP
	printf("UDP Test:\n");
	printf("socket\n");
	s = socket(AF_INET, SOCK_DGRAM, 0);
	Sleep(2000);
	printf("bind\n");
	bind(s, (struct sockaddr *)&localAddr, sizeof(localAddr));
	Sleep(2000);
	for (i = 0; i < PACKCOUNT; i++) {
		printf("sendto = %d\n", sendto(s, buff, i * 100, 0, (SOCKADDR *) &peerAddr, sizeof(peerAddr)));
		Sleep(2000);
	}
	printf("closesocket\n");
	closesocket(s);
	Sleep(2000);
	// TCP
	printf("TCP Test:\n");
	printf("socket\n");
	s = socket(AF_INET, SOCK_STREAM, 0);
	Sleep(2000);
	printf("bind\n");
	bind(s, (struct sockaddr *)&localAddr, sizeof(localAddr));
	Sleep(2000);
	printf("connect\n");
	connect(s, (SOCKADDR *) &peerAddr, sizeof(peerAddr));
	Sleep(2000);
	printf("send = %d\n", send(s, buff, sizeof(buff), 0));
	Sleep(2000);
	printf("closesocket\n");
	closesocket(s);
	Sleep(2000);
	printf("WSACleanup\n");
	WSACleanup();
	bWorkThreadFinish = true;
}
UINT _stdcall ThreadProc(PVOID pv)
{
	workerThread(pv);
	return 1;
}
//HANDLE g_hEvt = NULL;
int main(int argc, char ** argv) 
{
	// 启动工作线程
	::_beginthreadex(NULL,0,ThreadProc,NULL,0,0);
	//g_hEvt = ::CreateEventW(NULL,FALSE,FALSE,NULL);
	
	printf("Ctrl-C to exit\n\n");
	for (;;) 
	{
		PrintIODetails();
		Sleep(1000);
		if (bWorkThreadFinish)
		{
			break;
		}	
	}
	printf("*********************************Total*************************************\n");
	printf("    Reads   Writes   Others     Read(Bytes)    Write(Bytes)    Other(Bytes)\n");
	printf("%8llu%8llu%8llu%16llu%16llu%16llu\n",
		g_nReadCounts,
		g_nWriteCounts,
		g_nOtherCounts,
		g_nReadsBytes,
		g_nWriteBytes,
		g_nOtherBytes
		);
	return 0;
}