Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #include "test.h" |
| 21 | #include <pjlib.h> |
| 22 | #include <pj/compat/high_precision.h> |
| 23 | |
| 24 | |
| 25 | /** |
| 26 | * \page page_pjlib_sock_perf_test Test: Socket Performance |
| 27 | * |
| 28 | * Test the performance of the socket communication. This will perform |
| 29 | * simple producer-consumer type of test, where we calculate how long |
| 30 | * does it take to send certain number of packets from producer to |
| 31 | * consumer. |
| 32 | * |
| 33 | * This file is <b>pjlib-test/sock_perf.c</b> |
| 34 | * |
| 35 | * \include pjlib-test/sock_perf.c |
| 36 | */ |
| 37 | |
| 38 | #if INCLUDE_SOCK_PERF_TEST |
| 39 | |
| 40 | /* |
| 41 | * sock_producer_consumer() |
| 42 | * |
| 43 | * Simple producer-consumer benchmarking. Send loop number of |
| 44 | * buf_size size packets as fast as possible. |
| 45 | */ |
| 46 | static int sock_producer_consumer(int sock_type, |
| 47 | pj_size_t buf_size, |
| 48 | unsigned loop, |
| 49 | unsigned *p_bandwidth) |
| 50 | { |
| 51 | pj_sock_t consumer, producer; |
| 52 | pj_pool_t *pool; |
| 53 | char *outgoing_buffer, *incoming_buffer; |
| 54 | pj_timestamp start, stop; |
| 55 | unsigned i; |
| 56 | pj_highprec_t elapsed, bandwidth; |
| 57 | pj_highprec_t total_received; |
| 58 | pj_status_t rc; |
| 59 | |
| 60 | /* Create pool. */ |
| 61 | pool = pj_pool_create(mem, NULL, 4096, 4096, NULL); |
| 62 | if (!pool) |
| 63 | return -10; |
| 64 | |
| 65 | /* Create producer-consumer pair. */ |
| 66 | rc = app_socketpair(pj_AF_INET(), sock_type, 0, &consumer, &producer); |
| 67 | if (rc != PJ_SUCCESS) { |
| 68 | app_perror("...error: create socket pair", rc); |
| 69 | return -20; |
| 70 | } |
| 71 | |
| 72 | /* Create buffers. */ |
| 73 | outgoing_buffer = (char*) pj_pool_alloc(pool, buf_size); |
| 74 | incoming_buffer = (char*) pj_pool_alloc(pool, buf_size); |
| 75 | |
| 76 | /* Start loop. */ |
| 77 | pj_get_timestamp(&start); |
| 78 | total_received = 0; |
| 79 | for (i=0; i<loop; ++i) { |
| 80 | pj_ssize_t sent, part_received, received; |
| 81 | pj_time_val delay; |
| 82 | |
| 83 | sent = buf_size; |
| 84 | rc = pj_sock_send(producer, outgoing_buffer, &sent, 0); |
| 85 | if (rc != PJ_SUCCESS || sent != (pj_ssize_t)buf_size) { |
| 86 | app_perror("...error: send()", rc); |
| 87 | return -61; |
| 88 | } |
| 89 | |
| 90 | /* Repeat recv() until all data is part_received. |
| 91 | * This applies only for non-UDP of course, since for UDP |
| 92 | * we would expect all data to be part_received in one packet. |
| 93 | */ |
| 94 | received = 0; |
| 95 | do { |
| 96 | part_received = buf_size-received; |
| 97 | rc = pj_sock_recv(consumer, incoming_buffer+received, |
| 98 | &part_received, 0); |
| 99 | if (rc != PJ_SUCCESS) { |
| 100 | app_perror("...recv error", rc); |
| 101 | return -70; |
| 102 | } |
| 103 | if (part_received <= 0) { |
| 104 | PJ_LOG(3,("", "...error: socket has closed (part_received=%d)!", |
| 105 | part_received)); |
| 106 | return -73; |
| 107 | } |
| 108 | if ((pj_size_t)part_received != buf_size-received) { |
| 109 | if (sock_type != pj_SOCK_STREAM()) { |
| 110 | PJ_LOG(3,("", "...error: expecting %u bytes, got %u bytes", |
| 111 | buf_size-received, part_received)); |
| 112 | return -76; |
| 113 | } |
| 114 | } |
| 115 | received += part_received; |
| 116 | } while ((pj_size_t)received < buf_size); |
| 117 | |
| 118 | total_received += received; |
| 119 | |
| 120 | /* Stop test if it's been runnign for more than 10 secs. */ |
| 121 | pj_get_timestamp(&stop); |
| 122 | delay = pj_elapsed_time(&start, &stop); |
| 123 | if (delay.sec > 10) |
| 124 | break; |
| 125 | } |
| 126 | |
| 127 | /* Stop timer. */ |
| 128 | pj_get_timestamp(&stop); |
| 129 | |
| 130 | elapsed = pj_elapsed_usec(&start, &stop); |
| 131 | |
| 132 | /* bandwidth = total_received * 1000 / elapsed */ |
| 133 | bandwidth = total_received; |
| 134 | pj_highprec_mul(bandwidth, 1000); |
| 135 | pj_highprec_div(bandwidth, elapsed); |
| 136 | |
| 137 | *p_bandwidth = (pj_uint32_t)bandwidth; |
| 138 | |
| 139 | /* Close sockets. */ |
| 140 | pj_sock_close(consumer); |
| 141 | pj_sock_close(producer); |
| 142 | |
| 143 | /* Done */ |
| 144 | pj_pool_release(pool); |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | /* |
| 150 | * sock_perf_test() |
| 151 | * |
| 152 | * Main test entry. |
| 153 | */ |
| 154 | int sock_perf_test(void) |
| 155 | { |
| 156 | enum { LOOP = 64 * 1024 }; |
| 157 | int rc; |
| 158 | unsigned bandwidth; |
| 159 | |
| 160 | PJ_LOG(3,("", "...benchmarking socket " |
| 161 | "(2 sockets, packet=512, single threaded):")); |
| 162 | |
| 163 | /* Disable this test on Symbian since UDP connect()/send() failed |
| 164 | * with S60 3rd edition (including MR2). |
| 165 | * See http://www.pjsip.org/trac/ticket/264 |
| 166 | */ |
| 167 | #if !defined(PJ_SYMBIAN) || PJ_SYMBIAN==0 |
| 168 | /* Benchmarking UDP */ |
| 169 | rc = sock_producer_consumer(pj_SOCK_DGRAM(), 512, LOOP, &bandwidth); |
| 170 | if (rc != 0) return rc; |
| 171 | PJ_LOG(3,("", "....bandwidth UDP = %d KB/s", bandwidth)); |
| 172 | #endif |
| 173 | |
| 174 | /* Benchmarking TCP */ |
| 175 | rc = sock_producer_consumer(pj_SOCK_STREAM(), 512, LOOP, &bandwidth); |
| 176 | if (rc != 0) return rc; |
| 177 | PJ_LOG(3,("", "....bandwidth TCP = %d KB/s", bandwidth)); |
| 178 | |
| 179 | return rc; |
| 180 | } |
| 181 | |
| 182 | |
| 183 | #else |
| 184 | /* To prevent warning about "translation unit is empty" |
| 185 | * when this test is disabled. |
| 186 | */ |
| 187 | int dummy_sock_perf_test; |
| 188 | #endif /* INCLUDE_SOCK_PERF_TEST */ |
| 189 | |
| 190 | |