/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "uv.h" #include "task.h" #include #include #include #define CHECK_HANDLE(handle) \ ASSERT((uv_udp_t*)(handle) == &client || (uv_udp_t*)(handle) == &client2) static uv_udp_t client; static uv_udp_t client2; static uv_timer_t timer; static int send_cb_called; static int recv_cb_called; static int close_cb_called; static int alloc_cb_called; static int timer_cb_called; static int can_recverr; static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) { static char slab[65536]; CHECK_HANDLE(handle); ASSERT_LE(suggested_size, sizeof(slab)); buf->base = slab; buf->len = sizeof(slab); alloc_cb_called++; } static void close_cb(uv_handle_t* handle) { ASSERT_EQ(1, uv_is_closing(handle)); close_cb_called++; } static void send_cb(uv_udp_send_t* req, int status) { ASSERT_NOT_NULL(req); ASSERT(status == 0); ASSERT_EQ(status, 0); CHECK_HANDLE(req->handle); send_cb_called++; } static void send_cb_recverr(uv_udp_send_t* req, int status) { ASSERT_PTR_NE(req, NULL); ASSERT(status == 0 || status == UV_ECONNREFUSED); CHECK_HANDLE(req->handle); send_cb_called++; } static void recv_cb(uv_udp_t* handle, ssize_t nread, const uv_buf_t* rcvbuf, const struct sockaddr* addr, unsigned flags) { CHECK_HANDLE(handle); recv_cb_called++; if (nread < 0) { ASSERT(0 && "unexpected error"); } else if (nread == 0) { /* Returning unused buffer */ ASSERT_NULL(addr); } else { ASSERT_NOT_NULL(addr); } } static void timer_cb(uv_timer_t* h) { ASSERT_PTR_EQ(h, &timer); timer_cb_called++; uv_close((uv_handle_t*) &client, close_cb); if (can_recverr) uv_close((uv_handle_t*) &client2, close_cb); uv_close((uv_handle_t*) h, close_cb); } TEST_IMPL(udp_send_unreachable) { struct sockaddr_in addr; struct sockaddr_in addr2; struct sockaddr_in addr3; uv_udp_send_t req1, req2, req3, req4; uv_buf_t buf; int r; #ifdef __linux__ can_recverr = 1; #endif ASSERT_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); ASSERT_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT_2, &addr2)); ASSERT_EQ(0, uv_ip4_addr("127.0.0.1", TEST_PORT_3, &addr3)); r = uv_timer_init( uv_default_loop(), &timer ); ASSERT_EQ(r, 0); r = uv_timer_start( &timer, timer_cb, 1000, 0 ); ASSERT_EQ(r, 0); r = uv_udp_init(uv_default_loop(), &client); ASSERT_EQ(r, 0); r = uv_udp_bind(&client, (const struct sockaddr*) &addr2, 0); ASSERT_EQ(r, 0); r = uv_udp_recv_start(&client, alloc_cb, recv_cb); ASSERT_EQ(r, 0); /* client sends "PING", then "PANG" */ buf = uv_buf_init("PING", 4); r = uv_udp_send(&req1, &client, &buf, 1, (const struct sockaddr*) &addr, send_cb); ASSERT_EQ(r, 0); buf = uv_buf_init("PANG", 4); r = uv_udp_send(&req2, &client, &buf, 1, (const struct sockaddr*) &addr, send_cb); ASSERT_EQ(r, 0); if (can_recverr) { r = uv_udp_init(uv_default_loop(), &client2); ASSERT_EQ(r, 0); r = uv_udp_bind(&client2, (const struct sockaddr*) &addr3, UV_UDP_LINUX_RECVERR); ASSERT_EQ(r, 0); r = uv_udp_recv_start(&client2, alloc_cb, recv_cb); ASSERT_EQ(r, 0); /* client sends "PING", then "PANG" */ buf = uv_buf_init("PING", 4); r = uv_udp_send(&req3, &client2, &buf, 1, (const struct sockaddr*) &addr, send_cb_recverr); ASSERT_EQ(r, 0); buf = uv_buf_init("PANG", 4); r = uv_udp_send(&req4, &client2, &buf, 1, (const struct sockaddr*) &addr, send_cb_recverr); ASSERT_EQ(r, 0); } uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT_EQ(send_cb_called, (long)(can_recverr ? 4 : 2)); ASSERT_EQ(recv_cb_called, alloc_cb_called); ASSERT_EQ(timer_cb_called, 1); ASSERT_EQ(close_cb_called, (long)(can_recverr ? 3 : 2)); MAKE_VALGRIND_HAPPY(); return 0; }