1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved. 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to 5 * deal in the Software without restriction, including without limitation the 6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 7 * sell copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 19 * IN THE SOFTWARE. 20 */ 21 22 #include "uv.h" 23 #include "task.h" 24 25 #include <stdio.h> 26 #include <stdlib.h> 27 #include <string.h> 28 29 #define CHECK_HANDLE(handle) \ 30 ASSERT((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client) 31 32 static uv_udp_t server; 33 static uv_udp_t client; 34 35 static int sv_send_cb_called; 36 static int close_cb_called; 37 38 39 static void close_cb(uv_handle_t* handle) { 40 CHECK_HANDLE(handle); 41 close_cb_called++; 42 } 43 44 45 static void sv_send_cb(uv_udp_send_t* req, int status) { 46 ASSERT_NOT_NULL(req); 47 ASSERT(status == 0 || status == UV_ENETUNREACH || status == UV_EPERM); 48 CHECK_HANDLE(req->handle); 49 50 sv_send_cb_called++; 51 52 uv_close((uv_handle_t*) req->handle, close_cb); 53 } 54 55 56 TEST_IMPL(udp_multicast_ttl) { 57 int r; 58 uv_udp_send_t req; 59 uv_buf_t buf; 60 struct sockaddr_in addr; 61 62 r = uv_udp_init(uv_default_loop(), &server); 63 ASSERT(r == 0); 64 65 ASSERT(0 == uv_ip4_addr("0.0.0.0", 0, &addr)); 66 r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0); 67 ASSERT(r == 0); 68 69 r = uv_udp_set_multicast_ttl(&server, 32); 70 ASSERT(r == 0); 71 72 /* server sends "PING" */ 73 buf = uv_buf_init("PING", 4); 74 ASSERT(0 == uv_ip4_addr("239.255.0.1", TEST_PORT, &addr)); 75 r = uv_udp_send(&req, 76 &server, 77 &buf, 78 1, 79 (const struct sockaddr*) &addr, 80 sv_send_cb); 81 ASSERT(r == 0); 82 83 ASSERT(close_cb_called == 0); 84 ASSERT(sv_send_cb_called == 0); 85 86 /* run the loop till all events are processed */ 87 uv_run(uv_default_loop(), UV_RUN_DEFAULT); 88 89 ASSERT(sv_send_cb_called == 1); 90 ASSERT(close_cb_called == 1); 91 92 MAKE_VALGRIND_HAPPY(); 93 return 0; 94 } 95