testiocpstress.cpp
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/*
* Copyright 2008 Stephen Liu
* For license terms, see the file COPYING along with this library.
*/
#include <signal.h>
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <string.h>
#include "spgetopt.h"
#include "spwin32port.hpp"
#pragma comment(lib,"ws2_32")
#pragma comment(lib,"mswsock")
#pragma comment(lib,"advapi32")
static const char * gHost = "127.0.0.1";
static int gPort = 3333;
static int gMsgs = 10;
static int gClients = 10;
struct SP_TestStat {
int mRecvFail;
int mWSARecvFail;
int mSendFail;
int mWSASendFail;
int mGQCSFail;
};
static struct SP_TestStat gStat;
static time_t gStartTime = 0;
struct SP_TestEvent {
enum { eEventRecv, eEventSend };
OVERLAPPED mOverlapped;
WSABUF mWsaBuf;
int mType;
};
struct SP_TestClient {
SOCKET mFd;
SP_TestEvent mRecvEvent;
SP_TestEvent mSendEvent;
int mSendMsgs;
int mRecvMsgs;
int mIsStop;
};
void showUsage( const char * program )
{
printf( "Stress Test Tools for spserver example\n" );
printf( "Usage: %s [-h <host>] [-p <port>] [-c <clients>] [-m <messages>]\n", program );
printf( "\t-h default is %s\n", gHost );
printf( "\t-p default is %d\n", gPort );
printf( "\t-c how many clients, default is %d\n", gClients );
printf( "\t-m messages per client, default is %d\n", gMsgs );
printf( "\n" );
}
void close_client( SP_TestClient * client )
{
if( 0 == client->mIsStop ) {
client->mIsStop = 1;
gClients--;
}
}
void on_read( SP_TestClient * client, SP_TestEvent * event )
{
char buffer[ 4096 ] = { 0 };
int bytesTransferred = recv( (int)client->mFd, buffer, sizeof( buffer ), 0 );
if( bytesTransferred <= 0 ) {
if( bytesTransferred < 0 ) {
printf( "recv fail, errno %d\n", WSAGetLastError() );
gStat.mRecvFail++;
}
close_client( client );
return;
}
for( int i = 0; i < bytesTransferred; i++ ) {
if( '\n' == buffer[i] ) client->mRecvMsgs++;
}
memset( &( event->mOverlapped ), 0, sizeof( OVERLAPPED ) );
event->mType = SP_TestEvent::eEventRecv;
event->mWsaBuf.buf = NULL;
event->mWsaBuf.len = 0;
DWORD recvBytes = 0, flags = 0;
if( SOCKET_ERROR == WSARecv( (SOCKET)client->mFd, &( event->mWsaBuf ), 1,
&recvBytes, &flags, &( event->mOverlapped ), NULL ) ) {
if( ERROR_IO_PENDING != WSAGetLastError() ) {
gStat.mWSARecvFail++;
printf( "WSARecv fail, errno %d\n", WSAGetLastError() );
close_client( client );
}
}
}
void on_write( SP_TestClient * client, SP_TestEvent * event )
{
if( client->mSendMsgs < gMsgs ) {
client->mSendMsgs++;
char buffer[ 4096 ] = { 0 };
if( client->mSendMsgs >= gMsgs ) {
snprintf( buffer, sizeof( buffer ), "quit\n" );
} else {
snprintf( buffer, sizeof( buffer ),
"mail #%d, It's good to see how people hire; "
"that tells us how to market ourselves to them.\n", client->mSendMsgs );
}
int bytesTransferred = send( (SOCKET)client->mFd, buffer, strlen( buffer ), 0 );
if( bytesTransferred <= 0 ) {
if( bytesTransferred < 0 ) {
printf( "send fail, errno %d\n", WSAGetLastError() );
gStat.mSendFail++;
}
close_client( client );
return;
}
DWORD sendBytes = 0;
event->mType = SP_TestEvent::eEventSend;
memset( &( event->mOverlapped ), 0, sizeof( OVERLAPPED ) );
event->mWsaBuf.buf = NULL;
event->mWsaBuf.len = 0;
if( SOCKET_ERROR == WSASend( (SOCKET)client->mFd, &( event->mWsaBuf ), 1,
&sendBytes, 0, &( event->mOverlapped ), NULL ) ) {
if( ERROR_IO_PENDING != WSAGetLastError() ) {
gStat.mWSASendFail++;
printf( "WSASend fail, errno %d\n", WSAGetLastError() );
close_client( client );
}
}
} else {
// do nothing
}
}
void eventLoop( HANDLE hIocp )
{
DWORD bytesTransferred = 0;
SP_TestClient * client = NULL;
SP_TestEvent * event = NULL;
BOOL isSuccess = GetQueuedCompletionStatus( hIocp, &bytesTransferred,
(DWORD*)&client, (OVERLAPPED**)&event, 100 );
DWORD lastError = WSAGetLastError();
if( ! isSuccess ) {
if( NULL != client ) {
gStat.mGQCSFail++;
close_client( client );
}
return;
}
if( SP_TestEvent::eEventRecv == event->mType ) {
on_read( client, event );
return;
}
if( SP_TestEvent::eEventSend == event->mType ) {
on_write( client, event );
return;
}
}
int main( int argc, char * argv[] )
{
extern char *optarg ;
int c ;
while( ( c = getopt ( argc, argv, "h:p:c:m:v" )) != EOF ) {
switch ( c ) {
case 'h' :
gHost = optarg;
break;
case 'p':
gPort = atoi( optarg );
break;
case 'c' :
gClients = atoi ( optarg );
break;
case 'm' :
gMsgs = atoi( optarg );
break;
case 'v' :
case '?' :
showUsage( argv[0] );
exit( 0 );
}
}
#ifdef SIGPIPE
signal( SIGPIPE, SIG_IGN );
#endif
WSADATA wsaData;
int err = WSAStartup( MAKEWORD( 2, 0 ), &wsaData );
if ( err != 0 ) {
printf( "Couldn't find a useable winsock.dll.\n" );
return -1;
}
HANDLE hIocp = CreateIoCompletionPort( INVALID_HANDLE_VALUE, NULL, 0, 0 );
if( NULL == hIocp ) {
printf( "CreateIoCompletionPort failed, errno %d\n", WSAGetLastError() );
return -1;
}
SP_TestClient * clientList = (SP_TestClient*)calloc( gClients, sizeof( SP_TestClient ) );
struct sockaddr_in sin;
memset( &sin, 0, sizeof(sin) );
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr( gHost );
sin.sin_port = htons( gPort );
int totalClients = gClients, i = 0;
printf( "Create %d connections to server, it will take some minutes to complete.\n", gClients );
for( i = 0; i < gClients; i++ ) {
SP_TestClient * client = clientList + i;
memset( client, 0, sizeof( SP_TestClient ) );
client->mFd = socket( AF_INET, SOCK_STREAM, 0 );
if( client->mFd < 0 ) {
printf( "socket failed, errno %d, %s\n", errno, strerror( errno ) );
spwin32_pause_console();
return -1;
}
if( connect( client->mFd, (struct sockaddr *)&sin, sizeof(sin) ) != 0) {
printf( "connect failed, errno %d, %s\n", errno, strerror( errno ) );
spwin32_pause_console();
return -1;
}
if( NULL == CreateIoCompletionPort( (HANDLE)client->mFd, hIocp, (DWORD)client, 0 ) ) {
printf( "CreateIoCompletionPort failed, errno %d\n", WSAGetLastError() );
return -1;
}
if( 0 == ( i % 10 ) ) printf( "." );
}
for( i = 0; i < gClients; i++ ) {
SP_TestClient * client = clientList + i;
on_read( client, &( client->mRecvEvent ) );
on_write( client, &( client->mSendEvent ) );
}
printf( "\n" );
time( &gStartTime );
struct timeval startTime, stopTime;
sp_gettimeofday( &startTime, NULL );
time_t lastInfoTime = time( NULL );
// start event loop until all clients are exit
while( gClients > 0 ) {
eventLoop( hIocp );
if( time( NULL ) - lastInfoTime > 5 ) {
time( &lastInfoTime );
printf( "waiting for %d client(s) to exit\n", gClients );
}
}
sp_gettimeofday( &stopTime, NULL );
double totalTime = (double) ( 1000000 * ( stopTime.tv_sec - startTime.tv_sec )
+ ( stopTime.tv_usec - startTime.tv_usec ) ) / 1000000;
// show result
printf( "\n\nTest result :\n" );
printf( "Clients : %d, Messages Per Client : %d\n", totalClients, gMsgs );
printf( "Failure : send %d, WSASend %d, recv %d, WSARecv %d, GQCS %d\n",
gStat.mSendFail, gStat.mWSASendFail, gStat.mRecvFail,
gStat.mWSARecvFail, gStat.mGQCSFail );
printf( "ExecTimes : %.6f seconds\n\n", totalTime );
printf( "client\tSend\tRecv\n" );
int totalSend = 0, totalRecv = 0;
for( i = 0; i < totalClients; i++ ) {
SP_TestClient * client = clientList + i;
//printf( "client#%d : %d\t%d\n", i, client->mSendMsgs, client->mRecvMsgs );
totalSend += client->mSendMsgs;
totalRecv += client->mRecvMsgs;
if( INVALID_HANDLE_VALUE != (HANDLE)client->mFd ) {
closesocket( client->mFd );
}
}
printf( "total : %d\t%d\n", totalSend, totalRecv );
printf( "average : %.0f/s\t%.0f/s\n", totalSend / totalTime, totalRecv / totalTime );
free( clientList );
CloseHandle( hIocp );
spwin32_pause_console();
return 0;
}