| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | /*
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| 39 | ** File: thruput.c
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| 40 | ** Description: Test server's throughput capability comparing various
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| 41 | ** implmentation strategies.
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| 42 | **
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| 43 | ** Note: Requires a server machine and an aribitrary number of
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| 44 | ** clients to bang on it. Trust the numbers on the server
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| 45 | ** more than those being displayed by the various clients.
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| 46 | */
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| 47 |
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| 48 | #include "prerror.h"
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| 49 | #include "prinrval.h"
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| 50 | #include "prinit.h"
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| 51 | #include "prio.h"
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| 52 | #include "prlock.h"
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| 53 | #include "prmem.h"
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| 54 | #include "prnetdb.h"
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| 55 | #include "prprf.h"
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| 56 | #include "prthread.h"
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| 57 |
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| 58 | #include "pprio.h"
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| 59 |
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| 60 | #include "plerror.h"
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| 61 | #include "plgetopt.h"
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| 62 |
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| 63 | #define ADDR_BUFFER 100
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| 64 | #define PORT_NUMBER 51877
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| 65 | #define SAMPLING_INTERVAL 10
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| 66 | #define BUFFER_SIZE (32 * 1024)
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| 67 |
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| 68 | static PRInt32 domain = PR_AF_INET;
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| 69 | static PRInt32 protocol = 6; /* TCP */
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| 70 | static PRFileDesc *err = NULL;
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| 71 | static PRIntn concurrency = 1;
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| 72 | static PRInt32 xport_buffer = -1;
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| 73 | static PRUint32 initial_streams = 1;
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| 74 | static PRInt32 buffer_size = BUFFER_SIZE;
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| 75 | static PRThreadScope thread_scope = PR_LOCAL_THREAD;
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| 76 |
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| 77 | typedef struct Shared
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| 78 | {
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| 79 | PRLock *ml;
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| 80 | PRUint32 sampled;
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| 81 | PRUint32 threads;
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| 82 | PRIntervalTime timein;
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| 83 | PRNetAddr server_address;
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| 84 | } Shared;
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| 85 |
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| 86 | static Shared *shared = NULL;
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| 87 |
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| 88 | static PRStatus PrintAddress(const PRNetAddr* address)
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| 89 | {
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| 90 | char buffer[ADDR_BUFFER];
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| 91 | PRStatus rv = PR_NetAddrToString(address, buffer, sizeof(buffer));
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| 92 | if (PR_SUCCESS == rv)
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| 93 | PR_fprintf(err, "%s:%u\n", buffer, PR_ntohs(address->inet.port));
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| 94 | else PL_FPrintError(err, "PR_NetAddrToString");
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| 95 | return rv;
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| 96 | } /* PrintAddress */
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| 97 |
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| 98 |
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| 99 | static void PR_CALLBACK Clientel(void *arg)
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| 100 | {
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| 101 | PRStatus rv;
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| 102 | PRFileDesc *xport;
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| 103 | PRInt32 bytes, sampled;
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| 104 | PRIntervalTime now, interval;
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| 105 | PRBool do_display = PR_FALSE;
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| 106 | Shared *shared = (Shared*)arg;
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| 107 | char *buffer = (char*)PR_Malloc(buffer_size);
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| 108 | PRNetAddr *server_address = &shared->server_address;
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| 109 | PRIntervalTime connect_timeout = PR_SecondsToInterval(5);
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| 110 | PRIntervalTime sampling_interval = PR_SecondsToInterval(SAMPLING_INTERVAL);
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| 111 |
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| 112 | PR_fprintf(err, "Client connecting to ");
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| 113 | (void)PrintAddress(server_address);
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| 114 |
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| 115 | do
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| 116 | {
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| 117 | xport = PR_Socket(domain, PR_SOCK_STREAM, protocol);
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| 118 | if (NULL == xport)
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| 119 | {
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| 120 | PL_FPrintError(err, "PR_Socket");
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| 121 | return;
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| 122 | }
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| 123 |
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| 124 | if (xport_buffer != -1)
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| 125 | {
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| 126 | PRSocketOptionData data;
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| 127 | data.option = PR_SockOpt_RecvBufferSize;
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| 128 | data.value.recv_buffer_size = (PRSize)xport_buffer;
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| 129 | rv = PR_SetSocketOption(xport, &data);
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| 130 | if (PR_FAILURE == rv)
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| 131 | PL_FPrintError(err, "PR_SetSocketOption - ignored");
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| 132 | data.option = PR_SockOpt_SendBufferSize;
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| 133 | data.value.send_buffer_size = (PRSize)xport_buffer;
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| 134 | rv = PR_SetSocketOption(xport, &data);
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| 135 | if (PR_FAILURE == rv)
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| 136 | PL_FPrintError(err, "PR_SetSocketOption - ignored");
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| 137 | }
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| 138 |
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| 139 | rv = PR_Connect(xport, server_address, connect_timeout);
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| 140 | if (PR_FAILURE == rv)
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| 141 | {
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| 142 | PL_FPrintError(err, "PR_Connect");
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| 143 | if (PR_IO_TIMEOUT_ERROR != PR_GetError())
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| 144 | PR_Sleep(connect_timeout);
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| 145 | PR_Close(xport); /* delete it and start over */
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| 146 | }
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| 147 | } while (PR_FAILURE == rv);
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| 148 |
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| 149 | do
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| 150 | {
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| 151 | bytes = PR_Recv(
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| 152 | xport, buffer, buffer_size, 0, PR_INTERVAL_NO_TIMEOUT);
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| 153 | PR_Lock(shared->ml);
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| 154 | now = PR_IntervalNow();
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| 155 | shared->sampled += bytes;
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| 156 | interval = now - shared->timein;
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| 157 | if (interval > sampling_interval)
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| 158 | {
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| 159 | sampled = shared->sampled;
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| 160 | shared->timein = now;
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| 161 | shared->sampled = 0;
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| 162 | do_display = PR_TRUE;
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| 163 | }
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| 164 | PR_Unlock(shared->ml);
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| 165 |
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| 166 | if (do_display)
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| 167 | {
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| 168 | PRUint32 rate = sampled / PR_IntervalToMilliseconds(interval);
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| 169 | PR_fprintf(err, "%u streams @ %u Kbytes/sec\n", shared->threads, rate);
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| 170 | do_display = PR_FALSE;
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| 171 | }
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| 172 |
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| 173 | } while (bytes > 0);
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| 174 | } /* Clientel */
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| 175 |
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| 176 | static void Client(const char *server_name)
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| 177 | {
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| 178 | PRStatus rv;
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| 179 | PRHostEnt host;
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| 180 | char buffer[PR_NETDB_BUF_SIZE];
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| 181 | PRIntervalTime dally = PR_SecondsToInterval(60);
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| 182 | PR_fprintf(err, "Translating the name %s\n", server_name);
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| 183 | rv = PR_GetHostByName(server_name, buffer, sizeof(buffer), &host);
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| 184 | if (PR_FAILURE == rv)
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| 185 | PL_FPrintError(err, "PR_GetHostByName");
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| 186 | else
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| 187 | {
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| 188 | if (PR_EnumerateHostEnt(
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| 189 | 0, &host, PORT_NUMBER, &shared->server_address) < 0)
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| 190 | PL_FPrintError(err, "PR_EnumerateHostEnt");
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| 191 | else
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| 192 | {
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| 193 | do
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| 194 | {
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| 195 | shared->threads += 1;
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| 196 | (void)PR_CreateThread(
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| 197 | PR_USER_THREAD, Clientel, shared,
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| 198 | PR_PRIORITY_NORMAL, thread_scope,
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| 199 | PR_UNJOINABLE_THREAD, 8 * 1024);
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| 200 | if (shared->threads == initial_streams)
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| 201 | {
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| 202 | PR_Sleep(dally);
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| 203 | initial_streams += 1;
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| 204 | }
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| 205 | } while (PR_TRUE);
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| 206 | }
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| 207 | }
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| 208 | }
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| 209 |
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| 210 | static void PR_CALLBACK Servette(void *arg)
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| 211 | {
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| 212 | PRInt32 bytes, sampled;
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| 213 | PRIntervalTime now, interval;
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| 214 | PRBool do_display = PR_FALSE;
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| 215 | PRFileDesc *client = (PRFileDesc*)arg;
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| 216 | char *buffer = (char*)PR_Malloc(buffer_size);
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| 217 | PRIntervalTime sampling_interval = PR_SecondsToInterval(SAMPLING_INTERVAL);
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| 218 |
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| 219 | if (xport_buffer != -1)
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| 220 | {
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| 221 | PRStatus rv;
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| 222 | PRSocketOptionData data;
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| 223 | data.option = PR_SockOpt_RecvBufferSize;
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| 224 | data.value.recv_buffer_size = (PRSize)xport_buffer;
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| 225 | rv = PR_SetSocketOption(client, &data);
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| 226 | if (PR_FAILURE == rv)
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| 227 | PL_FPrintError(err, "PR_SetSocketOption - ignored");
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| 228 | data.option = PR_SockOpt_SendBufferSize;
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| 229 | data.value.send_buffer_size = (PRSize)xport_buffer;
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| 230 | rv = PR_SetSocketOption(client, &data);
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| 231 | if (PR_FAILURE == rv)
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| 232 | PL_FPrintError(err, "PR_SetSocketOption - ignored");
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| 233 | }
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| 234 |
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| 235 | do
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| 236 | {
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| 237 | bytes = PR_Send(
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| 238 | client, buffer, buffer_size, 0, PR_INTERVAL_NO_TIMEOUT);
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| 239 |
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| 240 | PR_Lock(shared->ml);
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| 241 | now = PR_IntervalNow();
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| 242 | shared->sampled += bytes;
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| 243 | interval = now - shared->timein;
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| 244 | if (interval > sampling_interval)
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| 245 | {
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| 246 | sampled = shared->sampled;
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| 247 | shared->timein = now;
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| 248 | shared->sampled = 0;
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| 249 | do_display = PR_TRUE;
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| 250 | }
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| 251 | PR_Unlock(shared->ml);
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| 252 |
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| 253 | if (do_display)
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| 254 | {
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| 255 | PRUint32 rate = sampled / PR_IntervalToMilliseconds(interval);
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| 256 | PR_fprintf(err, "%u streams @ %u Kbytes/sec\n", shared->threads, rate);
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| 257 | do_display = PR_FALSE;
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| 258 | }
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| 259 | } while (bytes > 0);
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| 260 | } /* Servette */
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| 261 |
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| 262 | static void Server(void)
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| 263 | {
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| 264 | PRStatus rv;
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| 265 | PRNetAddr server_address, client_address;
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| 266 | PRFileDesc *xport = PR_Socket(domain, PR_SOCK_STREAM, protocol);
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| 267 |
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| 268 | if (NULL == xport)
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| 269 | {
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| 270 | PL_FPrintError(err, "PR_Socket");
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| 271 | return;
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| 272 | }
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| 273 |
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| 274 | rv = PR_InitializeNetAddr(PR_IpAddrAny, PORT_NUMBER, &server_address);
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| 275 | if (PR_FAILURE == rv) PL_FPrintError(err, "PR_InitializeNetAddr");
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| 276 | else
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| 277 | {
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| 278 | rv = PR_Bind(xport, &server_address);
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| 279 | if (PR_FAILURE == rv) PL_FPrintError(err, "PR_Bind");
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| 280 | else
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| 281 | {
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| 282 | PRFileDesc *client;
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| 283 | rv = PR_Listen(xport, 10);
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| 284 | PR_fprintf(err, "Server listening on ");
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| 285 | (void)PrintAddress(&server_address);
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| 286 | do
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| 287 | {
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| 288 | client = PR_Accept(
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| 289 | xport, &client_address, PR_INTERVAL_NO_TIMEOUT);
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| 290 | if (NULL == client) PL_FPrintError(err, "PR_Accept");
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| 291 | else
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| 292 | {
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| 293 | PR_fprintf(err, "Server accepting from ");
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| 294 | (void)PrintAddress(&client_address);
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| 295 | shared->threads += 1;
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| 296 | (void)PR_CreateThread(
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| 297 | PR_USER_THREAD, Servette, client,
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| 298 | PR_PRIORITY_NORMAL, thread_scope,
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| 299 | PR_UNJOINABLE_THREAD, 8 * 1024);
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| 300 | }
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| 301 | } while (PR_TRUE);
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| 302 |
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| 303 | }
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| 304 | }
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| 305 | } /* Server */
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| 306 |
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| 307 | static void Help(void)
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| 308 | {
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| 309 | PR_fprintf(err, "Usage: [-h] [<server>]\n");
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| 310 | PR_fprintf(err, "\t-s <n> Initial # of connections (default: 1)\n");
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| 311 | PR_fprintf(err, "\t-C <n> Set 'concurrency' (default: 1)\n");
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| 312 | PR_fprintf(err, "\t-b <nK> Client buffer size (default: 32k)\n");
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| 313 | PR_fprintf(err, "\t-B <nK> Transport recv/send buffer size (default: sys)\n");
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| 314 | PR_fprintf(err, "\t-G Use GLOBAL threads (default: LOCAL)\n");
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| 315 | PR_fprintf(err, "\t-X Use XTP transport (default: TCP)\n");
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| 316 | PR_fprintf(err, "\t-6 Use IPv6 (default: IPv4)\n");
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| 317 | PR_fprintf(err, "\t-h This message and nothing else\n");
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| 318 | PR_fprintf(err, "\t<server> DNS name of server\n");
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| 319 | PR_fprintf(err, "\t\tIf <server> is not specified, this host will be\n");
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| 320 | PR_fprintf(err, "\t\tthe server and not act as a client.\n");
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| 321 | } /* Help */
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| 322 |
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| 323 | PRIntn main(PRIntn argc, char **argv)
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| 324 | {
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| 325 | PLOptStatus os;
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| 326 | const char *server_name = NULL;
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| 327 | PLOptState *opt = PL_CreateOptState(argc, argv, "hGX6C:b:s:B:");
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| 328 |
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| 329 | err = PR_GetSpecialFD(PR_StandardError);
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| 330 |
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| 331 | while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
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| 332 | {
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| 333 | if (PL_OPT_BAD == os) continue;
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| 334 | switch (opt->option)
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| 335 | {
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| 336 | case 0: /* Name of server */
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| 337 | server_name = opt->value;
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| 338 | break;
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| 339 | case 'G': /* Globular threads */
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| 340 | thread_scope = PR_GLOBAL_THREAD;
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| 341 | break;
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| 342 | case 'X': /* Use XTP as the transport */
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| 343 | protocol = 36;
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| 344 | break;
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| 345 | case '6': /* Use IPv6 */
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| 346 | domain = PR_AF_INET6;
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| 347 | break;
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| 348 | case 's': /* initial_streams */
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| 349 | initial_streams = atoi(opt->value);
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| 350 | break;
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| 351 | case 'C': /* concurrency */
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| 352 | concurrency = atoi(opt->value);
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| 353 | break;
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| 354 | case 'b': /* buffer size */
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| 355 | buffer_size = 1024 * atoi(opt->value);
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| 356 | break;
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| 357 | case 'B': /* buffer size */
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| 358 | xport_buffer = 1024 * atoi(opt->value);
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| 359 | break;
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| 360 | case 'h': /* user wants some guidance */
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| 361 | default:
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| 362 | Help(); /* so give him an earful */
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| 363 | return 2; /* but not a lot else */
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| 364 | }
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| 365 | }
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| 366 | PL_DestroyOptState(opt);
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| 367 |
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| 368 | shared = PR_NEWZAP(Shared);
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| 369 | shared->ml = PR_NewLock();
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| 370 |
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| 371 | PR_fprintf(err,
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| 372 | "This machine is %s\n",
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| 373 | (NULL == server_name) ? "the SERVER" : "a CLIENT");
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| 374 |
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| 375 | PR_fprintf(err,
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| 376 | "Transport being used is %s\n",
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| 377 | (6 == protocol) ? "TCP" : "XTP");
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| 378 |
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| 379 | if (PR_GLOBAL_THREAD == thread_scope)
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| 380 | {
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| 381 | if (1 != concurrency)
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| 382 | {
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| 383 | PR_fprintf(err, " **Concurrency > 1 and GLOBAL threads!?!?\n");
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| 384 | PR_fprintf(err, " **Ignoring concurrency\n");
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| 385 | concurrency = 1;
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| 386 | }
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| 387 | }
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| 388 |
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| 389 | if (1 != concurrency)
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| 390 | {
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| 391 | PR_SetConcurrency(concurrency);
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| 392 | PR_fprintf(err, "Concurrency set to %u\n", concurrency);
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| 393 | }
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| 394 |
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| 395 | PR_fprintf(err,
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| 396 | "All threads will be %s\n",
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| 397 | (PR_GLOBAL_THREAD == thread_scope) ? "GLOBAL" : "LOCAL");
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| 398 |
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| 399 | PR_fprintf(err, "Client buffer size will be %u\n", buffer_size);
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| 400 |
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| 401 | if (-1 != xport_buffer)
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| 402 | PR_fprintf(
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| 403 | err, "Transport send & receive buffer size will be %u\n", xport_buffer);
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| 404 |
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| 405 |
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| 406 | if (NULL == server_name) Server();
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| 407 | else Client(server_name);
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| 408 |
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| 409 | } /* main */
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| 410 |
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| 411 | /* thruput.c */
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| 412 |
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