/* 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 #ifndef _WIN32 # include # include # include #endif static int send_cb_called = 0; static int close_cb_called = 0; static uv_udp_send_t send_req; static void startup(void) { #ifdef _WIN32 struct WSAData wsa_data; int r = WSAStartup(MAKEWORD(2, 2), &wsa_data); ASSERT(r == 0); #endif } static uv_os_sock_t create_udp_socket(void) { uv_os_sock_t sock; sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); #ifdef _WIN32 ASSERT(sock != INVALID_SOCKET); #else ASSERT(sock >= 0); #endif #ifndef _WIN32 { /* Allow reuse of the port. */ int yes = 1; int r = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes); ASSERT(r == 0); } #endif return sock; } static void close_socket(uv_os_sock_t sock) { int r; #ifdef _WIN32 r = closesocket(sock); #else r = close(sock); #endif ASSERT(r == 0); } static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) { static char slab[65536]; ASSERT(suggested_size <= sizeof(slab)); buf->base = slab; buf->len = sizeof(slab); } static void close_cb(uv_handle_t* handle) { ASSERT_NOT_NULL(handle); close_cb_called++; } static void recv_cb(uv_udp_t* handle, ssize_t nread, const uv_buf_t* buf, const struct sockaddr* addr, unsigned flags) { int r; if (nread < 0) { ASSERT(0 && "unexpected error"); } if (nread == 0) { /* Returning unused buffer. Don't count towards sv_recv_cb_called */ ASSERT_NULL(addr); return; } ASSERT(flags == 0); ASSERT_NOT_NULL(addr); ASSERT(nread == 4); ASSERT(memcmp("PING", buf->base, nread) == 0); r = uv_udp_recv_stop(handle); ASSERT(r == 0); uv_close((uv_handle_t*) handle, close_cb); } static void send_cb(uv_udp_send_t* req, int status) { ASSERT_NOT_NULL(req); ASSERT(status == 0); send_cb_called++; uv_close((uv_handle_t*)req->handle, close_cb); } TEST_IMPL(udp_open) { struct sockaddr_in addr; uv_buf_t buf = uv_buf_init("PING", 4); uv_udp_t client, client2; uv_os_sock_t sock; int r; ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); startup(); sock = create_udp_socket(); r = uv_udp_init(uv_default_loop(), &client); ASSERT(r == 0); r = uv_udp_open(&client, sock); ASSERT(r == 0); r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0); ASSERT(r == 0); r = uv_udp_recv_start(&client, alloc_cb, recv_cb); ASSERT(r == 0); r = uv_udp_send(&send_req, &client, &buf, 1, (const struct sockaddr*) &addr, send_cb); ASSERT(r == 0); #ifndef _WIN32 { r = uv_udp_init(uv_default_loop(), &client2); ASSERT(r == 0); r = uv_udp_open(&client2, sock); ASSERT(r == UV_EEXIST); uv_close((uv_handle_t*) &client2, NULL); } #else /* _WIN32 */ (void)client2; #endif uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT(send_cb_called == 1); ASSERT(close_cb_called == 1); ASSERT(client.send_queue_size == 0); MAKE_VALGRIND_HAPPY(uv_default_loop()); return 0; } TEST_IMPL(udp_open_twice) { uv_udp_t client; uv_os_sock_t sock1, sock2; int r; startup(); sock1 = create_udp_socket(); sock2 = create_udp_socket(); r = uv_udp_init(uv_default_loop(), &client); ASSERT(r == 0); r = uv_udp_open(&client, sock1); ASSERT(r == 0); r = uv_udp_open(&client, sock2); ASSERT(r == UV_EBUSY); close_socket(sock2); uv_close((uv_handle_t*) &client, NULL); uv_run(uv_default_loop(), UV_RUN_DEFAULT); MAKE_VALGRIND_HAPPY(uv_default_loop()); return 0; } TEST_IMPL(udp_open_bound) { struct sockaddr_in addr; uv_udp_t client; uv_os_sock_t sock; int r; ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); startup(); sock = create_udp_socket(); r = bind(sock, (struct sockaddr*) &addr, sizeof(addr)); ASSERT(r == 0); r = uv_udp_init(uv_default_loop(), &client); ASSERT(r == 0); r = uv_udp_open(&client, sock); ASSERT(r == 0); r = uv_udp_recv_start(&client, alloc_cb, recv_cb); ASSERT(r == 0); uv_close((uv_handle_t*) &client, NULL); uv_run(uv_default_loop(), UV_RUN_DEFAULT); MAKE_VALGRIND_HAPPY(uv_default_loop()); return 0; } TEST_IMPL(udp_open_connect) { struct sockaddr_in addr; uv_buf_t buf = uv_buf_init("PING", 4); uv_udp_t client; uv_udp_t server; uv_os_sock_t sock; int r; ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); startup(); sock = create_udp_socket(); r = uv_udp_init(uv_default_loop(), &client); ASSERT(r == 0); r = connect(sock, (const struct sockaddr*) &addr, sizeof(addr)); ASSERT(r == 0); r = uv_udp_open(&client, sock); ASSERT(r == 0); r = uv_udp_init(uv_default_loop(), &server); ASSERT(r == 0); r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0); ASSERT(r == 0); r = uv_udp_recv_start(&server, alloc_cb, recv_cb); ASSERT(r == 0); r = uv_udp_send(&send_req, &client, &buf, 1, NULL, send_cb); ASSERT(r == 0); uv_run(uv_default_loop(), UV_RUN_DEFAULT); ASSERT(send_cb_called == 1); ASSERT(close_cb_called == 2); ASSERT(client.send_queue_size == 0); MAKE_VALGRIND_HAPPY(uv_default_loop()); return 0; } #ifndef _WIN32 TEST_IMPL(udp_send_unix) { /* Test that "uv_udp_send()" supports sending over a "sockaddr_un" address. */ struct sockaddr_un addr; uv_udp_t handle; uv_udp_send_t req; uv_loop_t* loop; uv_buf_t buf = uv_buf_init("PING", 4); int fd; int r; loop = uv_default_loop(); memset(&addr, 0, sizeof addr); addr.sun_family = AF_UNIX; ASSERT(strlen(TEST_PIPENAME) < sizeof(addr.sun_path)); memcpy(addr.sun_path, TEST_PIPENAME, strlen(TEST_PIPENAME)); fd = socket(AF_UNIX, SOCK_STREAM, 0); ASSERT(fd >= 0); unlink(TEST_PIPENAME); ASSERT(0 == bind(fd, (const struct sockaddr*)&addr, sizeof addr)); ASSERT(0 == listen(fd, 1)); r = uv_udp_init(loop, &handle); ASSERT(r == 0); r = uv_udp_open(&handle, fd); ASSERT(r == 0); uv_run(loop, UV_RUN_DEFAULT); r = uv_udp_send(&req, &handle, &buf, 1, (const struct sockaddr*) &addr, NULL); ASSERT(r == 0); uv_close((uv_handle_t*)&handle, NULL); uv_run(loop, UV_RUN_DEFAULT); close(fd); unlink(TEST_PIPENAME); MAKE_VALGRIND_HAPPY(loop); return 0; } #endif