tildefriends/deps/libuv/test/test-udp-open.c
2023-11-07 17:30:39 +00:00

351 lines
7.6 KiB
C

/* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
# include <unistd.h>
# include <sys/socket.h>
# include <sys/un.h>
#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_OK(r);
#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_NE(sock, INVALID_SOCKET);
#else
ASSERT_GE(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_OK(r);
}
#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_OK(r);
}
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[65536];
ASSERT_LE(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_OK(flags);
ASSERT_NOT_NULL(addr);
ASSERT_EQ(4, nread);
ASSERT_OK(memcmp("PING", buf->base, nread));
r = uv_udp_recv_stop(handle);
ASSERT_OK(r);
uv_close((uv_handle_t*) handle, close_cb);
}
static void send_cb(uv_udp_send_t* req, int status) {
ASSERT_NOT_NULL(req);
ASSERT_OK(status);
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_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
startup();
sock = create_udp_socket();
r = uv_udp_init(uv_default_loop(), &client);
ASSERT_OK(r);
r = uv_udp_open(&client, sock);
ASSERT_OK(r);
r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0);
ASSERT_OK(r);
r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
ASSERT_OK(r);
r = uv_udp_send(&send_req,
&client,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb);
ASSERT_OK(r);
#ifndef _WIN32
{
r = uv_udp_init(uv_default_loop(), &client2);
ASSERT_OK(r);
r = uv_udp_open(&client2, sock);
ASSERT_EQ(r, UV_EEXIST);
uv_close((uv_handle_t*) &client2, NULL);
}
#else /* _WIN32 */
(void)client2;
#endif
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(1, send_cb_called);
ASSERT_EQ(1, close_cb_called);
ASSERT_OK(client.send_queue_size);
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_OK(r);
r = uv_udp_open(&client, sock1);
ASSERT_OK(r);
r = uv_udp_open(&client, sock2);
ASSERT_EQ(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_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
startup();
sock = create_udp_socket();
r = bind(sock, (struct sockaddr*) &addr, sizeof(addr));
ASSERT_OK(r);
r = uv_udp_init(uv_default_loop(), &client);
ASSERT_OK(r);
r = uv_udp_open(&client, sock);
ASSERT_OK(r);
r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
ASSERT_OK(r);
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_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
startup();
sock = create_udp_socket();
r = uv_udp_init(uv_default_loop(), &client);
ASSERT_OK(r);
r = connect(sock, (const struct sockaddr*) &addr, sizeof(addr));
ASSERT_OK(r);
r = uv_udp_open(&client, sock);
ASSERT_OK(r);
r = uv_udp_init(uv_default_loop(), &server);
ASSERT_OK(r);
r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0);
ASSERT_OK(r);
r = uv_udp_recv_start(&server, alloc_cb, recv_cb);
ASSERT_OK(r);
r = uv_udp_send(&send_req,
&client,
&buf,
1,
NULL,
send_cb);
ASSERT_OK(r);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(1, send_cb_called);
ASSERT_EQ(2, close_cb_called);
ASSERT_OK(client.send_queue_size);
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_LT(strlen(TEST_PIPENAME), sizeof(addr.sun_path));
memcpy(addr.sun_path, TEST_PIPENAME, strlen(TEST_PIPENAME));
fd = socket(AF_UNIX, SOCK_STREAM, 0);
ASSERT_GE(fd, 0);
unlink(TEST_PIPENAME);
ASSERT_OK(bind(fd, (const struct sockaddr*)&addr, sizeof addr));
ASSERT_OK(listen(fd, 1));
r = uv_udp_init(loop, &handle);
ASSERT_OK(r);
r = uv_udp_open(&handle, fd);
ASSERT_OK(r);
uv_run(loop, UV_RUN_DEFAULT);
r = uv_udp_send(&req,
&handle,
&buf,
1,
(const struct sockaddr*) &addr,
NULL);
ASSERT_OK(r);
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