351 lines
7.6 KiB
C
351 lines
7.6 KiB
C
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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef _WIN32
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# include <unistd.h>
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# include <sys/socket.h>
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# include <sys/un.h>
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#endif
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static int send_cb_called = 0;
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static int close_cb_called = 0;
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static uv_udp_send_t send_req;
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static void startup(void) {
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#ifdef _WIN32
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struct WSAData wsa_data;
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int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
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ASSERT(r == 0);
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#endif
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}
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static uv_os_sock_t create_udp_socket(void) {
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uv_os_sock_t sock;
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sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
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#ifdef _WIN32
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ASSERT(sock != INVALID_SOCKET);
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#else
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ASSERT(sock >= 0);
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#endif
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#ifndef _WIN32
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{
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/* Allow reuse of the port. */
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int yes = 1;
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int r = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes);
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ASSERT(r == 0);
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}
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#endif
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return sock;
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}
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static void close_socket(uv_os_sock_t sock) {
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int r;
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#ifdef _WIN32
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r = closesocket(sock);
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#else
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r = close(sock);
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#endif
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ASSERT(r == 0);
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}
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static void alloc_cb(uv_handle_t* handle,
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size_t suggested_size,
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uv_buf_t* buf) {
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static char slab[65536];
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ASSERT(suggested_size <= sizeof(slab));
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buf->base = slab;
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buf->len = sizeof(slab);
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}
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static void close_cb(uv_handle_t* handle) {
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ASSERT(handle != NULL);
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close_cb_called++;
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}
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static void recv_cb(uv_udp_t* handle,
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ssize_t nread,
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const uv_buf_t* buf,
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const struct sockaddr* addr,
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unsigned flags) {
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int r;
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if (nread < 0) {
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ASSERT(0 && "unexpected error");
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}
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if (nread == 0) {
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/* Returning unused buffer. Don't count towards sv_recv_cb_called */
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ASSERT(addr == NULL);
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return;
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}
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ASSERT(flags == 0);
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ASSERT(addr != NULL);
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ASSERT(nread == 4);
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ASSERT(memcmp("PING", buf->base, nread) == 0);
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r = uv_udp_recv_stop(handle);
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ASSERT(r == 0);
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uv_close((uv_handle_t*) handle, close_cb);
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}
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static void send_cb(uv_udp_send_t* req, int status) {
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ASSERT(req != NULL);
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ASSERT(status == 0);
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send_cb_called++;
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uv_close((uv_handle_t*)req->handle, close_cb);
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}
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TEST_IMPL(udp_open) {
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struct sockaddr_in addr;
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uv_buf_t buf = uv_buf_init("PING", 4);
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uv_udp_t client;
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uv_os_sock_t sock;
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int r;
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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startup();
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sock = create_udp_socket();
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r = uv_udp_init(uv_default_loop(), &client);
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ASSERT(r == 0);
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r = uv_udp_open(&client, sock);
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ASSERT(r == 0);
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r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0);
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ASSERT(r == 0);
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r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
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ASSERT(r == 0);
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r = uv_udp_send(&send_req,
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&client,
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&buf,
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1,
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(const struct sockaddr*) &addr,
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send_cb);
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ASSERT(r == 0);
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#ifndef _WIN32
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{
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uv_udp_t client2;
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r = uv_udp_init(uv_default_loop(), &client2);
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ASSERT(r == 0);
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r = uv_udp_open(&client2, sock);
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ASSERT(r == UV_EEXIST);
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uv_close((uv_handle_t*) &client2, NULL);
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}
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#endif /* !_WIN32 */
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uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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ASSERT(send_cb_called == 1);
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ASSERT(close_cb_called == 1);
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ASSERT(client.send_queue_size == 0);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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TEST_IMPL(udp_open_twice) {
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uv_udp_t client;
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uv_os_sock_t sock1, sock2;
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int r;
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startup();
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sock1 = create_udp_socket();
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sock2 = create_udp_socket();
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r = uv_udp_init(uv_default_loop(), &client);
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ASSERT(r == 0);
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r = uv_udp_open(&client, sock1);
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ASSERT(r == 0);
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r = uv_udp_open(&client, sock2);
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ASSERT(r == UV_EBUSY);
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close_socket(sock2);
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uv_close((uv_handle_t*) &client, NULL);
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uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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TEST_IMPL(udp_open_bound) {
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struct sockaddr_in addr;
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uv_udp_t client;
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uv_os_sock_t sock;
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int r;
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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startup();
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sock = create_udp_socket();
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r = bind(sock, (struct sockaddr*) &addr, sizeof(addr));
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ASSERT(r == 0);
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r = uv_udp_init(uv_default_loop(), &client);
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ASSERT(r == 0);
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r = uv_udp_open(&client, sock);
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ASSERT(r == 0);
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r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
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ASSERT(r == 0);
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uv_close((uv_handle_t*) &client, NULL);
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uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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TEST_IMPL(udp_open_connect) {
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struct sockaddr_in addr;
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uv_buf_t buf = uv_buf_init("PING", 4);
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uv_udp_t client;
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uv_udp_t server;
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uv_os_sock_t sock;
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int r;
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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startup();
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sock = create_udp_socket();
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r = uv_udp_init(uv_default_loop(), &client);
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ASSERT(r == 0);
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r = connect(sock, (const struct sockaddr*) &addr, sizeof(addr));
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ASSERT(r == 0);
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r = uv_udp_open(&client, sock);
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ASSERT(r == 0);
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r = uv_udp_init(uv_default_loop(), &server);
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ASSERT(r == 0);
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r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0);
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ASSERT(r == 0);
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r = uv_udp_recv_start(&server, alloc_cb, recv_cb);
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ASSERT(r == 0);
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r = uv_udp_send(&send_req,
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&client,
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&buf,
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1,
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NULL,
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send_cb);
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ASSERT(r == 0);
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uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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ASSERT(send_cb_called == 1);
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ASSERT(close_cb_called == 2);
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ASSERT(client.send_queue_size == 0);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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#ifndef _WIN32
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TEST_IMPL(udp_send_unix) {
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/* Test that "uv_udp_send()" supports sending over
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a "sockaddr_un" address. */
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struct sockaddr_un addr;
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uv_udp_t handle;
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uv_udp_send_t req;
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uv_loop_t* loop;
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uv_buf_t buf = uv_buf_init("PING", 4);
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int fd;
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int r;
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loop = uv_default_loop();
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memset(&addr, 0, sizeof addr);
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addr.sun_family = AF_UNIX;
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ASSERT(strlen(TEST_PIPENAME) < sizeof(addr.sun_path));
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memcpy(addr.sun_path, TEST_PIPENAME, strlen(TEST_PIPENAME));
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fd = socket(AF_UNIX, SOCK_STREAM, 0);
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ASSERT(fd >= 0);
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unlink(TEST_PIPENAME);
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ASSERT(0 == bind(fd, (const struct sockaddr*)&addr, sizeof addr));
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ASSERT(0 == listen(fd, 1));
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r = uv_udp_init(loop, &handle);
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ASSERT(r == 0);
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r = uv_udp_open(&handle, fd);
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ASSERT(r == 0);
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uv_run(loop, UV_RUN_DEFAULT);
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r = uv_udp_send(&req,
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&handle,
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&buf,
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1,
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(const struct sockaddr*) &addr,
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NULL);
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ASSERT(r == 0);
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uv_close((uv_handle_t*)&handle, NULL);
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uv_run(loop, UV_RUN_DEFAULT);
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close(fd);
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unlink(TEST_PIPENAME);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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#endif
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