/* Copyright libuv project and 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) == &server || (uv_udp_t*)(handle) == &client) static uv_udp_t server; static uv_udp_t client; static uv_buf_t buf; static struct sockaddr_in lo_addr; static int cl_send_cb_called; static int sv_recv_cb_called; static int close_cb_called; static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) { static char slab[65536]; CHECK_HANDLE(handle); ASSERT(suggested_size <= sizeof(slab)); buf->base = slab; buf->len = sizeof(slab); } static void close_cb(uv_handle_t* handle) { CHECK_HANDLE(handle); ASSERT(uv_is_closing(handle)); close_cb_called++; } static void cl_send_cb(uv_udp_send_t* req, int status) { int r; ASSERT_NOT_NULL(req); ASSERT(status == 0); CHECK_HANDLE(req->handle); if (++cl_send_cb_called == 1) { uv_udp_connect(&client, NULL); r = uv_udp_send(req, &client, &buf, 1, NULL, cl_send_cb); ASSERT(r == UV_EDESTADDRREQ); r = uv_udp_send(req, &client, &buf, 1, (const struct sockaddr*) &lo_addr, cl_send_cb); ASSERT(r == 0); } } static void sv_recv_cb(uv_udp_t* handle, ssize_t nread, const uv_buf_t* rcvbuf, const struct sockaddr* addr, unsigned flags) { if (nread > 0) { ASSERT(nread == 4); ASSERT_NOT_NULL(addr); ASSERT(memcmp("EXIT", rcvbuf->base, nread) == 0); if (++sv_recv_cb_called == 4) { uv_close((uv_handle_t*) &server, close_cb); uv_close((uv_handle_t*) &client, close_cb); } } } TEST_IMPL(udp_connect) { uv_udp_send_t req; struct sockaddr_in ext_addr; struct sockaddr_in tmp_addr; int r; int addrlen; ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &lo_addr)); r = uv_udp_init(uv_default_loop(), &server); ASSERT(r == 0); r = uv_udp_bind(&server, (const struct sockaddr*) &lo_addr, 0); ASSERT(r == 0); r = uv_udp_recv_start(&server, alloc_cb, sv_recv_cb); ASSERT(r == 0); r = uv_udp_init(uv_default_loop(), &client); ASSERT(r == 0); buf = uv_buf_init("EXIT", 4); /* connect() to INADDR_ANY fails on Windows with WSAEADDRNOTAVAIL */ ASSERT_EQ(0, uv_ip4_addr("0.0.0.0", TEST_PORT, &tmp_addr)); r = uv_udp_connect(&client, (const struct sockaddr*) &tmp_addr); #ifdef _WIN32 ASSERT_EQ(r, UV_EADDRNOTAVAIL); #else ASSERT_EQ(r, 0); r = uv_udp_connect(&client, NULL); ASSERT_EQ(r, 0); #endif ASSERT(0 == uv_ip4_addr("8.8.8.8", TEST_PORT, &ext_addr)); ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &lo_addr)); r = uv_udp_connect(&client, (const struct sockaddr*) &lo_addr); ASSERT(r == 0); r = uv_udp_connect(&client, (const struct sockaddr*) &ext_addr); ASSERT(r == UV_EISCONN); addrlen = sizeof(tmp_addr); r = uv_udp_getpeername(&client, (struct sockaddr*) &tmp_addr, &addrlen); ASSERT(r == 0); /* To send messages in connected UDP sockets addr must be NULL */ r = uv_udp_try_send(&client, &buf, 1, (const struct sockaddr*) &lo_addr); ASSERT(r == UV_EISCONN); r = uv_udp_try_send(&client, &buf, 1, NULL); ASSERT(r == 4); r = uv_udp_try_send(&client, &buf, 1, (const struct sockaddr*) &ext_addr); ASSERT(r == UV_EISCONN); r = uv_udp_connect(&client, NULL); ASSERT(r == 0); r = uv_udp_connect(&client, NULL); ASSERT(r == UV_ENOTCONN); addrlen = sizeof(tmp_addr); r = uv_udp_getpeername(&client, (struct sockaddr*) &tmp_addr, &addrlen); ASSERT(r == UV_ENOTCONN); /* To send messages in disconnected UDP sockets addr must be set */ r = uv_udp_try_send(&client, &buf, 1, (const struct sockaddr*) &lo_addr); ASSERT(r == 4); r = uv_udp_try_send(&client, &buf, 1, NULL); ASSERT(r == UV_EDESTADDRREQ); r = uv_udp_connect(&client, (const struct sockaddr*) &lo_addr); ASSERT(r == 0); r = uv_udp_send(&req, &client, &buf, 1, (const struct sockaddr*) &lo_addr, cl_send_cb); ASSERT(r == UV_EISCONN); r = uv_udp_send(&req, &client, &buf, 1, NULL, cl_send_cb); ASSERT(r == 0); uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT(close_cb_called == 2); ASSERT(sv_recv_cb_called == 4); ASSERT(cl_send_cb_called == 2); ASSERT(client.send_queue_size == 0); ASSERT(server.send_queue_size == 0); MAKE_VALGRIND_HAPPY(); return 0; }