ping.cpp

very good and very interessant

/****************************************************/
/* 03/03 (c) Alumni, CPing class demo				*/
/* TCP Ping echo on user-defined protocols			*/
/****************************************************/


#include <windows.h>
#include <stdio.h>
#include "CPing.h"
#include <stdlib.h>


int PrUsage (char* sPath)
{
	printf ("Ping\n");
	printf ("Usage: %s <host> <port> <packets> [-options]\n", sPath);
	printf ("Options:\n");
	printf ("\t-cv\tConnective ping (default)\n");
	printf ("\t-ct\tContinuous ping\n");
	printf ("\t-n\tSpecify NOOP command\n");
	printf ("\t-crlf\tAppend CRLF to NOOP\n");
	printf ("\t-t<t>\tSpecify timeout\n\n");
	printf ("Example: %s localhost 110 10 -ct -t100", sPath);
	return (0);
}

int main (int argc, char** argv)
{
	char sBuffer[256];
	int iRecvd, iSent, iTotalTimeRecvd, iTotalTimeSent;
	int iStats[8];

	if (argc<4)
	{
		PrUsage(argv[0]);
		return (1);
	}

	CPing* cping = new CPing();
	int port = atoi(argv[2]), res;
	int cvping = 1, packets = atoi(argv[3]);

	for (int i=4;i<argc;i++)
	{
		if (!strncmp(argv[i],"-ct",3)) cvping = 0;
		if (!strncmp(argv[i],"-n",2))
		{
			printf ("Enter valid NOOP command: ");
			scanf ("%s", sBuffer);
			strcpy (cping->szNoop, sBuffer);
		}
		if (!strncmp(argv[i],"-crlf",5)) strcat (cping->szNoop,"\r\n");
		if (!strncmp(argv[i],"-t",2))
		{
			for (int j=2;j<strlen(argv[i]);j++) sBuffer[j-2]=argv[i][j];
			sBuffer[strlen(argv[i])-2] = 0;
			cping->iTimeOut = atoi(sBuffer);
		}
	}

	if (cvping) res = cping->PingConnective(argv[1], port, packets);
	else res = cping->PingContinuous(argv[1],port, packets);
	if (res)
	{
		memset (iStats, 0, sizeof(int)*8);
		iRecvd = iSent = iTotalTimeSent = iTotalTimeRecvd = 0;
		iStats[0] = iStats[2] = iStats[4] = iStats[6] = 32768;
		if (!cping->iTotalRes)
		{
			printf ("No requests transmitted");
			return (0);
		}
		if (cvping) printf ("Connective ping\n");
		else printf ("Continuous ping\n");
		printf ("\nTotal requests: %d\nPort: %d\n\n", cping->iTotalRes, port);
		for (i=0;i<cping->iTotalRes;i++)
		{
			iStats[0] = ((cping->Res[i].iTimeRecv<iStats[0])?cping->Res[i].iTimeRecv:iStats[0]);
			iStats[1] = ((cping->Res[i].iTimeRecv>iStats[1])?cping->Res[i].iTimeRecv:iStats[1]);
			iStats[2] = ((cping->Res[i].iTimeSend<iStats[2])?cping->Res[i].iTimeSend:iStats[2]);
			iStats[3] = ((cping->Res[i].iTimeSend>iStats[3])?cping->Res[i].iTimeSend:iStats[3]);
			iStats[4] = ((cping->Res[i].iTotalRecvd<iStats[4])?cping->Res[i].iTotalRecvd:iStats[4]);
			iStats[5] = ((cping->Res[i].iTotalRecvd>iStats[5])?cping->Res[i].iTotalRecvd:iStats[5]);
			iStats[6] = ((cping->Res[i].iTotalSent<iStats[6])?cping->Res[i].iTotalSent:iStats[6]);
			iStats[7] = ((cping->Res[i].iTotalSent>iStats[7])?cping->Res[i].iTotalSent:iStats[7]);

			iSent += cping->Res[i].iTotalSent;
			iRecvd += cping->Res[i].iTotalRecvd;
			iTotalTimeSent += cping->Res[i].iTimeSend;
			iTotalTimeRecvd += cping->Res[i].iTimeRecv;
			printf ("C:%u\tS:%u\n",cping->Res[i].iTimeSend, cping->Res[i].iTimeRecv);
		}
		printf ("\nTotal time recvd: %5d\tMin: %5d\tMax: %5d\tAvg: %5d\n", iTotalTimeRecvd, iStats[0], iStats[1], iTotalTimeRecvd/cping->iTotalRes);
		printf ("Total time sent: %5d\tMin: %5d\tMax: %5d\tAvg: %5d\n", iTotalTimeSent, iStats[2], iStats[3], iTotalTimeSent/cping->iTotalRes);
		printf ("Total recvd (bytes): %5d\tMin: %5d\tMax: %5d\tAvg: %5d\n", iRecvd, iStats[4], iStats[5], iRecvd/cping->iTotalRes);
		printf ("Total sent (bytes): %5d\tMin: %5d\tMax: %5d\tAvg: %5d\n", iSent, iStats[6], iStats[7], iSent/cping->iTotalRes);
	}
	else printf ("Error occured\n");
	return (0);
}