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 | |
| 22 | /** |
| 23 | * \page page_pjlib_select_test Test: Socket Select() |
| 24 | * |
| 25 | * This file provides implementation of \b select_test(). It tests the |
| 26 | * functionality of the pj_sock_select() API. |
| 27 | * |
| 28 | * |
| 29 | * This file is <b>pjlib-test/select.c</b> |
| 30 | * |
| 31 | * \include pjlib-test/select.c |
| 32 | */ |
| 33 | |
| 34 | |
| 35 | #if INCLUDE_SELECT_TEST |
| 36 | |
| 37 | #include <pj/sock.h> |
| 38 | #include <pj/sock_select.h> |
| 39 | #include <pj/log.h> |
| 40 | #include <pj/string.h> |
| 41 | #include <pj/assert.h> |
| 42 | #include <pj/os.h> |
| 43 | #include <pj/errno.h> |
| 44 | |
| 45 | enum |
| 46 | { |
| 47 | READ_FDS, |
| 48 | WRITE_FDS, |
| 49 | EXCEPT_FDS |
| 50 | }; |
| 51 | |
| 52 | #define UDP_PORT 51232 |
| 53 | #define THIS_FILE "select_test" |
| 54 | |
| 55 | /* |
| 56 | * do_select() |
| 57 | * |
| 58 | * Perform pj_sock_select() and find out which sockets |
| 59 | * are signalled. |
| 60 | */ |
| 61 | static int do_select( pj_sock_t sock1, pj_sock_t sock2, |
| 62 | int setcount[]) |
| 63 | { |
| 64 | pj_fd_set_t fds[3]; |
| 65 | pj_time_val timeout; |
| 66 | int i, n; |
| 67 | |
| 68 | for (i=0; i<3; ++i) { |
| 69 | PJ_FD_ZERO(&fds[i]); |
| 70 | PJ_FD_SET(sock1, &fds[i]); |
| 71 | PJ_FD_SET(sock2, &fds[i]); |
| 72 | setcount[i] = 0; |
| 73 | } |
| 74 | |
| 75 | timeout.sec = 1; |
| 76 | timeout.msec = 0; |
| 77 | |
| 78 | n = pj_sock_select(PJ_IOQUEUE_MAX_HANDLES, &fds[0], &fds[1], &fds[2], |
| 79 | &timeout); |
| 80 | if (n < 0) |
| 81 | return n; |
| 82 | if (n == 0) |
| 83 | return 0; |
| 84 | |
| 85 | for (i=0; i<3; ++i) { |
| 86 | if (PJ_FD_ISSET(sock1, &fds[i])) |
| 87 | setcount[i]++; |
| 88 | if (PJ_FD_ISSET(sock2, &fds[i])) |
| 89 | setcount[i]++; |
| 90 | } |
| 91 | |
| 92 | return n; |
| 93 | } |
| 94 | |
| 95 | /* |
| 96 | * select_test() |
| 97 | * |
| 98 | * Test main entry. |
| 99 | */ |
| 100 | int select_test() |
| 101 | { |
| 102 | pj_sock_t udp1=PJ_INVALID_SOCKET, udp2=PJ_INVALID_SOCKET; |
| 103 | pj_sockaddr_in udp_addr; |
| 104 | int status; |
| 105 | int setcount[3]; |
| 106 | pj_str_t s; |
| 107 | const char data[] = "hello"; |
| 108 | const int datalen = 5; |
| 109 | pj_ssize_t sent, received; |
| 110 | char buf[10]; |
| 111 | pj_status_t rc; |
| 112 | |
| 113 | PJ_LOG(3, (THIS_FILE, "...Testing simple UDP select()")); |
| 114 | |
| 115 | // Create two UDP sockets. |
| 116 | rc = pj_sock_socket( pj_AF_INET(), pj_SOCK_DGRAM(), 0, &udp1); |
| 117 | if (rc != PJ_SUCCESS) { |
| 118 | app_perror("...error: unable to create socket", rc); |
| 119 | status=-10; goto on_return; |
| 120 | } |
| 121 | rc = pj_sock_socket( pj_AF_INET(), pj_SOCK_DGRAM(), 0, &udp2); |
| 122 | if (udp2 == PJ_INVALID_SOCKET) { |
| 123 | app_perror("...error: unable to create socket", rc); |
| 124 | status=-20; goto on_return; |
| 125 | } |
| 126 | |
| 127 | // Bind one of the UDP socket. |
| 128 | pj_bzero(&udp_addr, sizeof(udp_addr)); |
| 129 | udp_addr.sin_family = pj_AF_INET(); |
| 130 | udp_addr.sin_port = UDP_PORT; |
| 131 | udp_addr.sin_addr = pj_inet_addr(pj_cstr(&s, "127.0.0.1")); |
| 132 | |
| 133 | if (pj_sock_bind(udp2, &udp_addr, sizeof(udp_addr))) { |
| 134 | status=-30; goto on_return; |
| 135 | } |
| 136 | |
| 137 | // Send data. |
| 138 | sent = datalen; |
| 139 | rc = pj_sock_sendto(udp1, data, &sent, 0, &udp_addr, sizeof(udp_addr)); |
| 140 | if (rc != PJ_SUCCESS || sent != datalen) { |
| 141 | app_perror("...error: sendto() error", rc); |
| 142 | status=-40; goto on_return; |
| 143 | } |
| 144 | |
| 145 | // Sleep a bit. See http://trac.pjsip.org/repos/ticket/890 |
| 146 | pj_thread_sleep(10); |
| 147 | |
| 148 | // Check that socket is marked as reable. |
| 149 | // Note that select() may also report that sockets are writable. |
| 150 | status = do_select(udp1, udp2, setcount); |
| 151 | if (status < 0) { |
| 152 | char errbuf[128]; |
| 153 | pj_strerror(pj_get_netos_error(), errbuf, sizeof(errbuf)); |
| 154 | PJ_LOG(1,(THIS_FILE, "...error: %s", errbuf)); |
| 155 | status=-50; goto on_return; |
| 156 | } |
| 157 | if (status == 0) { |
| 158 | status=-60; goto on_return; |
| 159 | } |
| 160 | |
| 161 | if (setcount[READ_FDS] != 1) { |
| 162 | status=-70; goto on_return; |
| 163 | } |
| 164 | if (setcount[WRITE_FDS] != 0) { |
| 165 | if (setcount[WRITE_FDS] == 2) { |
| 166 | PJ_LOG(3,(THIS_FILE, "...info: system reports writable sockets")); |
| 167 | } else { |
| 168 | status=-80; goto on_return; |
| 169 | } |
| 170 | } else { |
| 171 | PJ_LOG(3,(THIS_FILE, |
| 172 | "...info: system doesn't report writable sockets")); |
| 173 | } |
| 174 | if (setcount[EXCEPT_FDS] != 0) { |
| 175 | status=-90; goto on_return; |
| 176 | } |
| 177 | |
| 178 | // Read the socket to clear readable sockets. |
| 179 | received = sizeof(buf); |
| 180 | rc = pj_sock_recv(udp2, buf, &received, 0); |
| 181 | if (rc != PJ_SUCCESS || received != 5) { |
| 182 | status=-100; goto on_return; |
| 183 | } |
| 184 | |
| 185 | status = 0; |
| 186 | |
| 187 | // Test timeout on the read part. |
| 188 | // This won't necessarily return zero, as select() may report that |
| 189 | // sockets are writable. |
| 190 | setcount[0] = setcount[1] = setcount[2] = 0; |
| 191 | status = do_select(udp1, udp2, setcount); |
| 192 | if (status != 0 && status != setcount[WRITE_FDS]) { |
| 193 | PJ_LOG(3,(THIS_FILE, "...error: expecting timeout but got %d sks set", |
| 194 | status)); |
| 195 | PJ_LOG(3,(THIS_FILE, " rdset: %d, wrset: %d, exset: %d", |
| 196 | setcount[0], setcount[1], setcount[2])); |
| 197 | status = -110; goto on_return; |
| 198 | } |
| 199 | if (setcount[READ_FDS] != 0) { |
| 200 | PJ_LOG(3,(THIS_FILE, "...error: readable socket not expected")); |
| 201 | status = -120; goto on_return; |
| 202 | } |
| 203 | |
| 204 | status = 0; |
| 205 | |
| 206 | on_return: |
| 207 | if (udp1 != PJ_INVALID_SOCKET) |
| 208 | pj_sock_close(udp1); |
| 209 | if (udp2 != PJ_INVALID_SOCKET) |
| 210 | pj_sock_close(udp2); |
| 211 | return status; |
| 212 | } |
| 213 | |
| 214 | #else |
| 215 | /* To prevent warning about "translation unit is empty" |
| 216 | * when this test is disabled. |
| 217 | */ |
| 218 | int dummy_select_test; |
| 219 | #endif /* INCLUDE_SELECT_TEST */ |
| 220 | |
| 221 | |