362 lines
8.8 KiB
C
362 lines
8.8 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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static const int server_port = TEST_PORT;
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/* Will be updated right after making the uv_connect_call */
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static int connect_port = -1;
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static int getsocknamecount = 0;
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static int getpeernamecount = 0;
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static uv_loop_t* loop;
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static uv_tcp_t tcp;
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static uv_udp_t udp;
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static uv_connect_t connect_req;
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static uv_tcp_t tcpServer;
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static uv_udp_t udpServer;
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static uv_udp_send_t send_req;
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static void alloc(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) {
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buf->base = malloc(suggested_size);
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buf->len = suggested_size;
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}
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static void on_close(uv_handle_t* peer) {
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free(peer);
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uv_close((uv_handle_t*)&tcpServer, NULL);
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}
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static void after_shutdown(uv_shutdown_t* req, int status) {
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uv_close((uv_handle_t*) req->handle, on_close);
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free(req);
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}
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static void after_read(uv_stream_t* handle,
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ssize_t nread,
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const uv_buf_t* buf) {
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uv_shutdown_t* req;
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int r;
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if (buf->base) {
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free(buf->base);
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}
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req = (uv_shutdown_t*) malloc(sizeof *req);
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r = uv_shutdown(req, handle, after_shutdown);
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ASSERT(r == 0);
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}
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static void check_sockname(struct sockaddr* addr, const char* compare_ip,
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int compare_port, const char* context) {
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struct sockaddr_in check_addr = *(struct sockaddr_in*) addr;
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struct sockaddr_in compare_addr;
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char check_ip[17];
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int r;
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ASSERT(0 == uv_ip4_addr(compare_ip, compare_port, &compare_addr));
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/* Both addresses should be ipv4 */
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ASSERT(check_addr.sin_family == AF_INET);
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ASSERT(compare_addr.sin_family == AF_INET);
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/* Check if the ip matches */
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ASSERT(memcmp(&check_addr.sin_addr,
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&compare_addr.sin_addr,
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sizeof compare_addr.sin_addr) == 0);
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/* Check if the port matches. If port == 0 anything goes. */
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ASSERT(compare_port == 0 || check_addr.sin_port == compare_addr.sin_port);
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r = uv_ip4_name(&check_addr, (char*) check_ip, sizeof check_ip);
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ASSERT(r == 0);
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printf("%s: %s:%d\n", context, check_ip, ntohs(check_addr.sin_port));
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}
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static void on_connection(uv_stream_t* server, int status) {
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struct sockaddr sockname, peername;
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int namelen;
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uv_tcp_t* handle;
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int r;
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if (status != 0) {
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fprintf(stderr, "Connect error %s\n", uv_err_name(status));
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}
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ASSERT(status == 0);
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handle = malloc(sizeof(*handle));
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ASSERT(handle != NULL);
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r = uv_tcp_init(loop, handle);
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ASSERT(r == 0);
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/* associate server with stream */
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handle->data = server;
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r = uv_accept(server, (uv_stream_t*)handle);
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ASSERT(r == 0);
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namelen = sizeof sockname;
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r = uv_tcp_getsockname(handle, &sockname, &namelen);
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ASSERT(r == 0);
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check_sockname(&sockname, "127.0.0.1", server_port, "accepted socket");
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getsocknamecount++;
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namelen = sizeof peername;
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r = uv_tcp_getpeername(handle, &peername, &namelen);
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ASSERT(r == 0);
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check_sockname(&peername, "127.0.0.1", connect_port, "accepted socket peer");
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getpeernamecount++;
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r = uv_read_start((uv_stream_t*)handle, alloc, after_read);
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ASSERT(r == 0);
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}
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static void on_connect(uv_connect_t* req, int status) {
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struct sockaddr sockname, peername;
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int r, namelen;
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ASSERT(status == 0);
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namelen = sizeof sockname;
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r = uv_tcp_getsockname((uv_tcp_t*) req->handle, &sockname, &namelen);
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ASSERT(r == 0);
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check_sockname(&sockname, "127.0.0.1", 0, "connected socket");
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getsocknamecount++;
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namelen = sizeof peername;
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r = uv_tcp_getpeername((uv_tcp_t*) req->handle, &peername, &namelen);
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ASSERT(r == 0);
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check_sockname(&peername, "127.0.0.1", server_port, "connected socket peer");
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getpeernamecount++;
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uv_close((uv_handle_t*)&tcp, NULL);
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}
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static int tcp_listener(void) {
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struct sockaddr_in addr;
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struct sockaddr sockname, peername;
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int namelen;
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int r;
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ASSERT(0 == uv_ip4_addr("0.0.0.0", server_port, &addr));
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r = uv_tcp_init(loop, &tcpServer);
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if (r) {
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fprintf(stderr, "Socket creation error\n");
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return 1;
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}
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r = uv_tcp_bind(&tcpServer, (const struct sockaddr*) &addr, 0);
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if (r) {
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fprintf(stderr, "Bind error\n");
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return 1;
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}
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r = uv_listen((uv_stream_t*)&tcpServer, 128, on_connection);
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if (r) {
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fprintf(stderr, "Listen error\n");
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return 1;
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}
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memset(&sockname, -1, sizeof sockname);
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namelen = sizeof sockname;
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r = uv_tcp_getsockname(&tcpServer, &sockname, &namelen);
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ASSERT(r == 0);
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check_sockname(&sockname, "0.0.0.0", server_port, "server socket");
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getsocknamecount++;
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namelen = sizeof sockname;
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r = uv_tcp_getpeername(&tcpServer, &peername, &namelen);
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ASSERT(r == UV_ENOTCONN);
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getpeernamecount++;
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return 0;
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}
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static void tcp_connector(void) {
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struct sockaddr_in server_addr;
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struct sockaddr sockname;
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int r, namelen;
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ASSERT(0 == uv_ip4_addr("127.0.0.1", server_port, &server_addr));
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r = uv_tcp_init(loop, &tcp);
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tcp.data = &connect_req;
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ASSERT(!r);
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r = uv_tcp_connect(&connect_req,
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&tcp,
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(const struct sockaddr*) &server_addr,
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on_connect);
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ASSERT(!r);
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/* Fetch the actual port used by the connecting socket. */
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namelen = sizeof sockname;
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r = uv_tcp_getsockname(&tcp, &sockname, &namelen);
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ASSERT(!r);
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ASSERT(sockname.sa_family == AF_INET);
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connect_port = ntohs(((struct sockaddr_in*) &sockname)->sin_port);
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ASSERT(connect_port > 0);
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}
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static void udp_recv(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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struct sockaddr sockname;
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int namelen;
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int r;
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ASSERT(nread >= 0);
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free(buf->base);
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if (nread == 0) {
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return;
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}
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memset(&sockname, -1, sizeof sockname);
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namelen = sizeof(sockname);
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r = uv_udp_getsockname(&udp, &sockname, &namelen);
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ASSERT(r == 0);
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check_sockname(&sockname, "0.0.0.0", 0, "udp receiving socket");
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getsocknamecount++;
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uv_close((uv_handle_t*) &udp, NULL);
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uv_close((uv_handle_t*) handle, NULL);
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}
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static void udp_send(uv_udp_send_t* req, int status) {
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}
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static int udp_listener(void) {
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struct sockaddr_in addr;
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struct sockaddr sockname;
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int namelen;
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int r;
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ASSERT(0 == uv_ip4_addr("0.0.0.0", server_port, &addr));
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r = uv_udp_init(loop, &udpServer);
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if (r) {
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fprintf(stderr, "Socket creation error\n");
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return 1;
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}
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r = uv_udp_bind(&udpServer, (const struct sockaddr*) &addr, 0);
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if (r) {
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fprintf(stderr, "Bind error\n");
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return 1;
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}
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memset(&sockname, -1, sizeof sockname);
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namelen = sizeof sockname;
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r = uv_udp_getsockname(&udpServer, &sockname, &namelen);
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ASSERT(r == 0);
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check_sockname(&sockname, "0.0.0.0", server_port, "udp listener socket");
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getsocknamecount++;
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r = uv_udp_recv_start(&udpServer, alloc, udp_recv);
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ASSERT(r == 0);
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return 0;
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}
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static void udp_sender(void) {
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struct sockaddr_in server_addr;
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uv_buf_t buf;
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int r;
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r = uv_udp_init(loop, &udp);
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ASSERT(!r);
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buf = uv_buf_init("PING", 4);
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ASSERT(0 == uv_ip4_addr("127.0.0.1", server_port, &server_addr));
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r = uv_udp_send(&send_req,
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&udp,
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&buf,
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1,
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(const struct sockaddr*) &server_addr,
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udp_send);
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ASSERT(!r);
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}
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TEST_IMPL(getsockname_tcp) {
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loop = uv_default_loop();
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if (tcp_listener())
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return 1;
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tcp_connector();
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uv_run(loop, UV_RUN_DEFAULT);
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ASSERT(getsocknamecount == 3);
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ASSERT(getpeernamecount == 3);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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TEST_IMPL(getsockname_udp) {
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loop = uv_default_loop();
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if (udp_listener())
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return 1;
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udp_sender();
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uv_run(loop, UV_RUN_DEFAULT);
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ASSERT(getsocknamecount == 2);
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ASSERT(udp.send_queue_size == 0);
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ASSERT(udpServer.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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