teststress.cpp
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/*
* Copyright 2007 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>
#ifdef WIN32
#include "spgetopt.h"
#endif
#include "spporting.hpp"
#include "event.h"
static const char * gHost = "127.0.0.1";
static int gPort = 3333;
static int gMsgs = 10;
static int gClients = 10;
static int gConnWait = 0;
static int gSockWait = 0;
static time_t gStartTime = 0;
struct SP_TestClient {
int mFd;
struct event mReadEvent;
struct event mWriteEvent;
int mSendMsgs;
int mRecvMsgs;
char mBuffer[ 512 ];
};
void showUsage( const char * program )
{
printf( "\nStress Test Tools for spserver example -- testecho/testchat\n\n" );
printf( "Usage: %s [-h <host>] [-p <port>] [-c <clients>] [-m <messages>]\n"
"\t\t\t[-w <connect wait>] [-s <socket wait>]\n\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( "\t-w how many milliseconds to wait between creating every 100 connections, default is %d\n", gConnWait );
printf( "\t-s how many milliseconds to wait between every event loop, default is %d\n", gSockWait );
printf( "\n" );
}
void close_read( SP_TestClient * client )
{
//fprintf( stderr, "#%d close read\n", client->mFd );
event_del( &client->mReadEvent );
gClients--;
}
void close_write( SP_TestClient * client )
{
//fprintf( stderr, "#%d close write\n", client->mFd );
event_del( &client->mWriteEvent );
}
void close_client( SP_TestClient * client )
{
close_write( client );
close_read( client );
}
void on_read( int fd, short events, void *arg )
{
SP_TestClient * client = ( SP_TestClient * ) arg;
if( EV_READ & events ) {
int len = recv( fd, client->mBuffer, sizeof( client->mBuffer ), 0 );
if( len <= 0 ) {
if( len < 0 && EAGAIN != errno ) {
fprintf( stderr, "#%d on_read error, count %d, errno %d, %s\n",
fd, client->mRecvMsgs, errno, strerror( errno ) );
}
close_client( client );
} else {
for( int i = 0; i < len; i++ ) {
//if( 10 == fd ) printf( "%c", client->mBuffer[i] );
if( '\n' == client->mBuffer[i] ) client->mRecvMsgs++;
}
}
} else {
fprintf( stderr, "#%d on_read timeout\n", fd );
close_client( client );
}
}
void on_write( int fd, short events, void *arg )
{
SP_TestClient * client = ( SP_TestClient * ) arg;
if( EV_WRITE & events ) {
client->mSendMsgs++;
if( client->mSendMsgs >= gMsgs ) {
snprintf( client->mBuffer, sizeof( client->mBuffer ), "quit\n" );
} else {
snprintf( client->mBuffer, sizeof( client->mBuffer ),
"mail #%d, It's good to see how people hire; "
"that tells us how to market ourselves to them.\n", client->mSendMsgs );
}
int len = send( fd, client->mBuffer, strlen( client->mBuffer ), 0 );
if( len <= 0 && EAGAIN != errno ) {
fprintf( stderr, "#%d on_write error, errno %d, %s\n", fd, errno, strerror( errno ) );
close_client( client );
} else {
if( client->mSendMsgs >= gMsgs ) close_write( client );
}
} else {
fprintf( stderr, "#%d on_write timeout\n", fd );
close_client( client );
}
}
void parse_arg( int argc, char * argv[] )
{
extern char *optarg ;
int c ;
while( ( c = getopt ( argc, argv, "h:p:c:m:w:s: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 'w':
gConnWait = atoi( optarg );
break;
case 's':
gSockWait = atoi( optarg );
break;
case 'v' :
case '?' :
showUsage( argv[0] );
exit( 0 );
}
}
}
int main( int argc, char * argv[] )
{
parse_arg( argc, argv );
#ifdef SIGPIPE
signal( SIGPIPE, SIG_IGN );
#endif
sp_initsock();
event_init();
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;
client->mFd = socket( AF_INET, SOCK_STREAM, 0 );
if( client->mFd < 0 ) {
fprintf(stderr, "#%d, socket failed, errno %d, %s\n", i, errno, strerror( errno ) );
#ifdef WIN32
spwin32_pause_console();
#endif
return -1;
}
if( connect( client->mFd, (struct sockaddr *)&sin, sizeof(sin) ) != 0) {
fprintf(stderr, "#%d, connect failed, errno %d, %s\n", i, errno, strerror( errno ) );
#ifdef WIN32
spwin32_pause_console();
#endif
return -1;
}
event_set( &client->mWriteEvent, client->mFd, EV_WRITE | EV_PERSIST, on_write, client );
event_add( &client->mWriteEvent, NULL );
event_set( &client->mReadEvent, client->mFd, EV_READ | EV_PERSIST, on_read, client );
event_add( &client->mReadEvent, NULL );
if( 0 == ( i % 10 ) ) write( fileno( stdout ), ".", 1 );
if( gConnWait > 0 && ( i > 0 ) && ( 0 == ( i % 100 ) ) ) usleep( gConnWait * 1000 );
}
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 ) {
event_loop( EVLOOP_ONCE );
if( time( NULL ) - lastInfoTime > 5 ) {
time( &lastInfoTime );
printf( "waiting for %d client(s) to exit\n", gClients );
}
if( gSockWait > 0 ) usleep( gSockWait * 1000 );
}
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( "Host %s, Port %d, ConnWait: %d, SockWait: %d\n", gHost, gPort, gConnWait, gSockWait );
printf( "Clients : %d, Messages Per Client : %d\n", totalClients, gMsgs );
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;
sp_close( client->mFd );
}
printf( "total : %d\t%d\n", totalSend, totalRecv );
printf( "average : %.0f/s\t%.0f/s\n", totalSend / totalTime, totalRecv / totalTime );
free( clientList );
#ifdef WIN32
spwin32_pause_console();
#endif
return 0;
}