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) == &handle_) 31 32 #define CHECK_REQ(req) \ 33 ASSERT((req) == &req_); 34 35 static uv_udp_t handle_; 36 static uv_udp_send_t req_; 37 38 static int send_cb_called; 39 static int close_cb_called; 40 41 42 static void close_cb(uv_handle_t* handle) { 43 CHECK_HANDLE(handle); 44 close_cb_called++; 45 } 46 47 48 static void send_cb(uv_udp_send_t* req, int status) { 49 CHECK_REQ(req); 50 CHECK_HANDLE(req->handle); 51 52 ASSERT(status == UV_EMSGSIZE); 53 54 uv_close((uv_handle_t*)req->handle, close_cb); 55 send_cb_called++; 56 } 57 58 59 TEST_IMPL(udp_dgram_too_big) { 60 char dgram[65536]; /* 64K MTU is unlikely, even on localhost */ 61 struct sockaddr_in addr; 62 uv_buf_t buf; 63 int r; 64 65 memset(dgram, 42, sizeof dgram); /* silence valgrind */ 66 67 r = uv_udp_init(uv_default_loop(), &handle_); 68 ASSERT(r == 0); 69 70 buf = uv_buf_init(dgram, sizeof dgram); 71 ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); 72 73 r = uv_udp_send(&req_, 74 &handle_, 75 &buf, 76 1, 77 (const struct sockaddr*) &addr, 78 send_cb); 79 ASSERT(r == 0); 80 81 ASSERT(close_cb_called == 0); 82 ASSERT(send_cb_called == 0); 83 84 uv_run(uv_default_loop(), UV_RUN_DEFAULT); 85 86 ASSERT(send_cb_called == 1); 87 ASSERT(close_cb_called == 1); 88 89 MAKE_VALGRIND_HAPPY(); 90 return 0; 91 } 92