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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/*
* Test the speed of select within NSPR
*
*/
#include "nspr.h"
#include "prpriv.h"
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#if defined(XP_UNIX)
#include <unistd.h>
#endif
#ifdef DEBUG
#define PORT_INC_DO +100
#else
#define PORT_INC_DO
#endif
#ifdef IS_64
#define PORT_INC_3264 +200
#else
#define PORT_INC_3264
#endif
#define PORT_BASE 19000 PORT_INC_DO PORT_INC_3264
typedef struct timer_slot_t {
unsigned long d_connect;
unsigned long d_cl_data;
unsigned long d_sv_data;
unsigned long d_close;
unsigned long d_total;
unsigned long requests;
} timer_slot_t;
static long _iterations = 5;
static long _client_data = 8192;
static long _server_data = (128*1024);
static long _threads_max = 10, _threads = 10;
static int verbose=0;
static PRMonitor *exit_cv;
static long _thread_exit_count;
static timer_slot_t *timer_data;
static PRThreadScope scope1, scope2;
void tally_results(int);
/* return the diff in microseconds */
unsigned long _delta(PRIntervalTime *start, PRIntervalTime *stop)
{
/*
* Will C do the right thing with unsigned arithemtic?
*/
return PR_IntervalToMicroseconds(*stop - *start);
}
int _readn(PRFileDesc *sock, char *buf, int len)
{
int rem;
int bytes;
for (rem=len; rem; rem -= bytes) {
bytes = PR_Recv(sock, buf+len-rem, rem, 0, PR_INTERVAL_NO_TIMEOUT);
if (bytes <= 0) {
return -1;
}
}
return len;
}
void
_thread_exit(int id)
{
PR_EnterMonitor(exit_cv);
#ifdef DEBUG
fprintf(stdout, "Thread %d EXIT\n", id);
#endif
_thread_exit_count--;
if (_thread_exit_count == 0) {
#ifdef DEBUG
fprintf(stdout, "Thread %d EXIT triggered notify\n", id);
#endif
PR_Notify(exit_cv);
}
PR_ExitMonitor(exit_cv);
}
void
_server_thread(void *arg_id)
{
void _client_thread(void *);
int *id = (int *)arg_id;
PRFileDesc *sock;
PRSocketOptionData sockopt;
PRNetAddr sa;
PRFileDesc * newsock;
char *data_buffer = NULL;
int data_buffer_size;
int index;
PRIntervalTime start,
connect_done,
read_done,
write_done,
close_done;
#ifdef DEBUG
fprintf(stdout, "server thread %d alive\n", *id);
#endif
data_buffer_size = (_client_data>_server_data?_client_data:_server_data);
if ( (data_buffer = (char *)PR_Malloc(data_buffer_size * sizeof(char))) == NULL ) {
fprintf(stderr, "Error creating buffer in server thread %d\n", *id);
goto done;
}
if ( (sock = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Error creating socket in server thread %d\n", *id);
goto done;
}
sockopt.option = PR_SockOpt_Reuseaddr;
sockopt.value.reuse_addr = PR_TRUE;
if ( PR_SetSocketOption(sock, &sockopt) == PR_FAILURE) {
fprintf(stderr, "Error setting socket option in server thread %d\n", *id);
goto done;
}
memset(&sa, 0, sizeof(sa));
sa.inet.family = PR_AF_INET;
sa.inet.port = PR_htons(PORT_BASE + *id);
sa.inet.ip = PR_htonl(PR_INADDR_ANY);
if ( PR_Bind(sock, &sa) < 0) {
fprintf(stderr, "Error binding socket in server thread %d errno = %d\n", *id, errno);
goto done;
}
if ( PR_Listen(sock, 32) < 0 ) {
fprintf(stderr, "Error listening to socket in server thread %d\n", *id);
goto done;
}
/* Tell the client to start */
if ( PR_CreateThread(PR_USER_THREAD,
_client_thread,
id,
PR_PRIORITY_NORMAL,
scope2,
PR_UNJOINABLE_THREAD,
0) == NULL) {
fprintf(stderr, "Error creating client thread %d\n", *id);
}
for (index = 0; index< _iterations; index++) {
#ifdef DEBUG
fprintf(stdout, "server thread %d loop %d\n", *id, index);
#endif
start = PR_IntervalNow();
if ( (newsock = PR_Accept(sock, &sa,
PR_INTERVAL_NO_TIMEOUT)) == NULL) {
fprintf(stderr, "Error accepting connection %d in server thread %d\n",
index, *id);
goto done;
}
#ifdef DEBUG
fprintf(stdout, "server thread %d got connection %d\n", *id, newsock);
#endif
connect_done = PR_IntervalNow();
if ( _readn(newsock, data_buffer, _client_data) < _client_data) {
fprintf(stderr, "Error reading client data for iteration %d in server thread %d\n", index, *id );
goto done;
}
#ifdef DEBUG
fprintf(stdout, "server thread %d read %d bytes\n", *id, _client_data);
#endif
read_done = PR_IntervalNow();
if ( PR_Send(newsock, data_buffer, _server_data, 0,
PR_INTERVAL_NO_TIMEOUT) < _server_data) {
fprintf(stderr, "Error sending client data for iteration %d in server thread %d\n", index, *id );
goto done;
}
#ifdef DEBUG
fprintf(stdout, "server thread %d write %d bytes\n", *id, _server_data);
#endif
write_done = PR_IntervalNow();
PR_Close(newsock);
close_done = PR_IntervalNow();
timer_data[2*(*id)].d_connect += _delta(&start, &connect_done);
timer_data[2*(*id)].d_cl_data += _delta(&connect_done, &read_done);
timer_data[2*(*id)].d_sv_data += _delta(&read_done, &write_done);
timer_data[2*(*id)].d_close += _delta(&write_done, &close_done);
timer_data[2*(*id)].d_total += _delta(&start, &close_done);
timer_data[2*(*id)].requests++;
#ifdef DEBUG
fprintf(stdout, "server: %d %d %d %d %d\n",
_delta(&start, &connect_done), _delta(&connect_done, &read_done),
_delta(&read_done, &write_done), _delta(&write_done, &close_done),
_delta(&start, &close_done));
#endif
}
done:
if (data_buffer != NULL) {
PR_Free (data_buffer);
}
if (sock) {
PR_Close(sock);
}
_thread_exit(*id);
return;
}
void
_client_thread(void *arg_id)
{
int *id = (int *)arg_id;
int index;
PRNetAddr sa;
PRFileDesc *sock_h;
char *data_buffer = NULL;
int data_buffer_size;
int bytes;
PRIntervalTime start,
connect_done,
read_done,
write_done,
close_done;
PRStatus rv;
#ifdef DEBUG
fprintf(stdout, "client thread %d alive\n", *id);
#endif
data_buffer_size = (_client_data>_server_data?_client_data:_server_data);
if ( (data_buffer = (char *)PR_Malloc(data_buffer_size * sizeof(char))) == NULL) {
fprintf(stderr, "Error creating buffer in server thread %d\n", *id);
goto done;
}
memset(&sa, 0, sizeof(sa));
rv = PR_InitializeNetAddr(PR_IpAddrLoopback, PORT_BASE + *id, &sa);
PR_ASSERT(PR_SUCCESS == rv);
for (index = 0; index< _iterations; index++) {
#ifdef DEBUG
fprintf(stdout, "client thread %d loop %d\n", *id, index);
#endif
start = PR_IntervalNow();
if ( (sock_h = PR_NewTCPSocket()) == NULL) {
fprintf(stderr, "Error creating socket %d in client thread %d\n",
index, *id);
goto done;
}
#ifdef DEBUG
fprintf(stdout, "client thread %d socket created %d\n", *id, sock_h);
#endif
if ( PR_Connect(sock_h, &sa,
PR_INTERVAL_NO_TIMEOUT) < 0) {
fprintf(stderr, "Error accepting connection %d in client thread %d\n",
index, *id);
goto done;
}
#ifdef DEBUG
fprintf(stdout, "client thread %d socket connected %d\n", *id, sock_h);
#endif
connect_done = PR_IntervalNow();
if ( PR_Send(sock_h, data_buffer, _client_data, 0,
PR_INTERVAL_NO_TIMEOUT) < _client_data) {
fprintf(stderr, "Error sending client data for iteration %d in client thread %d\n", index, *id );
goto done;
}
#ifdef DEBUG
fprintf(stdout, "client thread %d socket wrote %d\n", *id, _client_data);
#endif
write_done = PR_IntervalNow();
if ( (bytes = _readn(sock_h, data_buffer, _server_data)) < _server_data) {
fprintf(stderr, "Error reading server data for iteration %d in client thread %d (read %d bytes)\n", index, *id, bytes );
goto done;
}
#ifdef DEBUG
fprintf(stdout, "client thread %d socket read %d\n", *id, _server_data);
#endif
read_done = PR_IntervalNow();
PR_Close(sock_h);
close_done = PR_IntervalNow();
timer_data[2*(*id)+1].d_connect += _delta(&start, &connect_done);
timer_data[2*(*id)+1].d_cl_data += _delta(&connect_done, &write_done);
timer_data[2*(*id)+1].d_sv_data += _delta(&write_done, &read_done);
timer_data[2*(*id)+1].d_close += _delta(&read_done, &close_done);
timer_data[2*(*id)+1].d_total += _delta(&start, &close_done);
timer_data[2*(*id)+1].requests++;
}
done:
if (data_buffer != NULL) {
PR_Free (data_buffer);
}
_thread_exit(*id);
return;
}
static
void do_work(void)
{
int index;
_thread_exit_count = _threads * 2;
for (index=0; index<_threads; index++) {
int *id = (int *)PR_Malloc(sizeof(int));
*id = index;
if ( PR_CreateThread(PR_USER_THREAD,
_server_thread,
id,
PR_PRIORITY_NORMAL,
scope1,
PR_UNJOINABLE_THREAD,
0) == NULL) {
fprintf(stderr, "Error creating server thread %d\n", index);
}
}
PR_EnterMonitor(exit_cv);
while (_thread_exit_count > 0) {
PR_Wait(exit_cv, PR_INTERVAL_NO_TIMEOUT);
}
PR_ExitMonitor(exit_cv);
fprintf(stdout, "TEST COMPLETE!\n");
tally_results(verbose);
}
static void do_workUU(void)
{
scope1 = PR_LOCAL_THREAD;
scope2 = PR_LOCAL_THREAD;
do_work();
}
static void do_workUK(void)
{
scope1 = PR_LOCAL_THREAD;
scope2 = PR_GLOBAL_THREAD;
do_work();
}
static void do_workKU(void)
{
scope1 = PR_GLOBAL_THREAD;
scope2 = PR_LOCAL_THREAD;
do_work();
}
static void do_workKK(void)
{
scope1 = PR_GLOBAL_THREAD;
scope2 = PR_GLOBAL_THREAD;
do_work();
}
static void Measure(void (*func)(void), const char *msg)
{
PRIntervalTime start, stop;
double d;
start = PR_IntervalNow();
(*func)();
stop = PR_IntervalNow();
d = (double)PR_IntervalToMicroseconds(stop - start);
printf("%40s: %6.2f usec\n", msg, d / _iterations);
}
int main(int argc, char **argv)
{
#if defined(XP_UNIX) || defined(XP_OS2)
int opt;
PR_IMPORT_DATA(char *) optarg;
#endif
#if defined(XP_UNIX) || defined(XP_OS2)
while ( (opt = getopt(argc, argv, "c:s:i:t:v")) != EOF) {
switch(opt) {
case 'i':
_iterations = atoi(optarg);
break;
case 't':
_threads_max = _threads = atoi(optarg);
break;
case 'c':
_client_data = atoi(optarg);
break;
case 's':
_server_data = atoi(optarg);
break;
case 'v':
verbose = 1;
break;
default:
break;
}
}
#endif
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PR_STDIO_INIT();
fprintf(stdout, "Running test for %d iterations with %d simultaneous threads.\n",
_iterations, _threads);
fprintf(stdout, "\tWill send %d bytes of client data and %d bytes of server data\n",
_client_data, _server_data);
if ( (exit_cv = PR_NewMonitor()) == NULL) {
fprintf(stderr, "Error creating monitor for exit cv\n");
}
if ( (timer_data = (timer_slot_t *)PR_Malloc(2*_threads * sizeof(timer_slot_t))) == NULL) {
fprintf(stderr, "error allocating thread time results array\n");
}
memset(timer_data, 0, 2*_threads*sizeof(timer_slot_t));
Measure(do_workUU, "select loop user/user");
Measure(do_workUK, "select loop user/kernel");
Measure(do_workKU, "select loop kernel/user");
Measure(do_workKK, "select loop kernel/kernel");
return 0;
}
void
tally_results(int verbose)
{
int index;
unsigned long tot_connect = 0;
unsigned long tot_cl_data = 0;
unsigned long tot_sv_data = 0;
unsigned long tot_close = 0;
unsigned long tot_all = 0;
unsigned long tot_requests = 0;
fprintf(stdout, "Server results:\n\n");
for (index=0; index<_threads_max*2; index+=2) {
if (verbose)
fprintf(stdout, "server thread %u\t%u\t%u\t%u\t%u\t%u\t%u\n",
index, timer_data[index].requests, timer_data[index].d_connect,
timer_data[index].d_cl_data, timer_data[index].d_sv_data,
timer_data[index].d_close, timer_data[index].d_total);
tot_connect += timer_data[index].d_connect / _threads;
tot_cl_data += timer_data[index].d_cl_data / _threads;
tot_sv_data += timer_data[index].d_sv_data / _threads;
tot_close += timer_data[index].d_close / _threads;
tot_all += timer_data[index].d_total / _threads;
tot_requests += timer_data[index].requests / _threads;
}
fprintf(stdout, "----------\n");
fprintf(stdout, "server per thread totals %u\t%u\t%u\t%u\t%u\n",
tot_requests, tot_connect, tot_cl_data, tot_sv_data, tot_close);
fprintf(stdout, "server per thread elapsed time %u\n", tot_all);
fprintf(stdout, "----------\n");
tot_connect = tot_cl_data = tot_sv_data = tot_close = tot_all = tot_requests = 0;
fprintf(stdout, "Client results:\n\n");
for (index=1; index<_threads_max*2; index+=2) {
if (verbose)
fprintf(stdout, "client thread %u\t%u\t%u\t%u\t%u\t%u\t%u\n",
index, timer_data[index].requests, timer_data[index].d_connect,
timer_data[index].d_cl_data, timer_data[index].d_sv_data,
timer_data[index].d_close, timer_data[index].d_total);
tot_connect += timer_data[index].d_connect / _threads;
tot_cl_data += timer_data[index].d_cl_data / _threads;
tot_sv_data += timer_data[index].d_sv_data / _threads;
tot_close += timer_data[index].d_close / _threads;
tot_all += timer_data[index].d_total / _threads;
tot_requests += timer_data[index].requests / _threads;
}
fprintf(stdout, "----------\n");
fprintf(stdout, "client per thread totals %u\t%u\t%u\t%u\t%u\n",
tot_requests, tot_connect, tot_cl_data, tot_sv_data, tot_close);
fprintf(stdout, "client per thread elapsed time %u\n", tot_all);
}