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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- * 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>
-
- #ifdef XP_MAC
- #include "prlog.h"
- int fprintf(FILE *stream, const char *fmt, ...)
- {
- PR_LogPrint(fmt);
- return 0;
- }
- #define printf PR_LogPrint
- extern void SetupMacPrintfLog(char *logFile);
- #endif
-
- #define PORT_BASE 19000
-
- 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;
-
- #if defined(XP_MAC)
- /*
- * Mac does not scale well specially the requirement for thread stack
- * space and buffer allocation space. It is easy to get into a fragmented
- * memory and not be able to allocate thread stack or client/server data
- * buffer.
- */
- static long _threads_max = 10, _threads = 10;
- static long _iterations = 50;
- static long _client_data = 8192;
- static long _server_data = 8192;
- #else
- static long _threads_max = 100, _threads = 100;
- static long _iterations = 1000;
- static long _client_data = 8192;
- static long _server_data = (128*1024);
- #endif
-
- static long _thread_exit_count;
- static PRMonitor *exit_cv;
- static timer_slot_t *timer_data;
- static PRThreadScope scope1, scope2;
- static int verbose=0;
-
- 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, 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 *);
- PRThread *thread;
- int *id = (int *)arg_id;
- PRFileDesc *sock;
- 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;
- }
-
- memset(&sa, 0 , PR_NETADDR_SIZE(&sa));
- sa.inet.family = AF_INET;
- sa.inet.port = PORT_BASE + *id;
- sa.inet.ip = PR_htonl(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 0
- {
- int one = 1;
- setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char *)&one, sizeof(one));
- }
- #endif
-
- 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 ( (thread = 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\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 , PR_NETADDR_SIZE(&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++) {
- PRThread *thread;
- int *id = (int *)PR_Malloc(sizeof(int));
-
- *id = index;
-
- if ( (thread = 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);
- PR_Wait(exit_cv, 0x7fffffff);
- 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);
- }
-
-
- main(int argc, char **argv)
- {
- #ifdef XP_UNIX
- int opt;
- extern char *optarg;
- #endif
-
- #ifdef XP_UNIX
- 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();
-
- #ifdef XP_MAC
- SetupMacPrintfLog("sel_spd.log");
- #endif
-
- 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/user");
- Measure(do_workKU, "select loop user/user");
- Measure(do_workKK, "select loop user/user");
-
-
- 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);
- }
-
-