tildefriends/deps/libuv/test/test-tcp-bind-error.c
2021-07-27 22:08:18 +00:00

300 lines
7.8 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>
static int connect_cb_called = 0;
static int close_cb_called = 0;
static void close_cb(uv_handle_t* handle) {
ASSERT_NOT_NULL(handle);
close_cb_called++;
}
static void connect_cb(uv_connect_t* req, int status) {
ASSERT(status == UV_EADDRINUSE);
uv_close((uv_handle_t*) req->handle, close_cb);
connect_cb_called++;
}
TEST_IMPL(tcp_bind_error_addrinuse_connect) {
struct sockaddr_in addr;
int addrlen;
uv_connect_t req;
uv_tcp_t conn;
/* 127.0.0.1:<TEST_PORT> is already taken by tcp4_echo_server running in
* another process. uv_tcp_bind() and uv_tcp_connect() should still succeed
* (greatest common denominator across platforms) but the connect callback
* should receive an UV_EADDRINUSE error.
*/
ASSERT(0 == uv_tcp_init(uv_default_loop(), &conn));
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ASSERT(0 == uv_tcp_bind(&conn, (const struct sockaddr*) &addr, 0));
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT + 1, &addr));
ASSERT(0 == uv_tcp_connect(&req,
&conn,
(const struct sockaddr*) &addr,
connect_cb));
addrlen = sizeof(addr);
ASSERT(UV_EADDRINUSE == uv_tcp_getsockname(&conn,
(struct sockaddr*) &addr,
&addrlen));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(connect_cb_called == 1);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_error_addrinuse_listen) {
struct sockaddr_in addr;
uv_tcp_t server1, server2;
int r;
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server1);
ASSERT(r == 0);
r = uv_tcp_bind(&server1, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_tcp_init(uv_default_loop(), &server2);
ASSERT(r == 0);
r = uv_tcp_bind(&server2, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&server1, 128, NULL);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&server2, 128, NULL);
ASSERT(r == UV_EADDRINUSE);
uv_close((uv_handle_t*)&server1, close_cb);
uv_close((uv_handle_t*)&server2, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 2);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_error_addrnotavail_1) {
struct sockaddr_in addr;
uv_tcp_t server;
int r;
ASSERT(0 == uv_ip4_addr("127.255.255.255", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
/* It seems that Linux is broken here - bind succeeds. */
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0 || r == UV_EADDRNOTAVAIL);
uv_close((uv_handle_t*)&server, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_error_addrnotavail_2) {
struct sockaddr_in addr;
uv_tcp_t server;
int r;
ASSERT(0 == uv_ip4_addr("4.4.4.4", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
ASSERT(r == UV_EADDRNOTAVAIL);
uv_close((uv_handle_t*)&server, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_error_fault) {
char garbage[] =
"blah blah blah blah blah blah blah blah blah blah blah blah";
struct sockaddr_in* garbage_addr;
uv_tcp_t server;
int r;
garbage_addr = (struct sockaddr_in*) &garbage;
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) garbage_addr, 0);
ASSERT(r == UV_EINVAL);
uv_close((uv_handle_t*)&server, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
/* Notes: On Linux uv_bind(server, NULL) will segfault the program. */
TEST_IMPL(tcp_bind_error_inval) {
struct sockaddr_in addr1;
struct sockaddr_in addr2;
uv_tcp_t server;
int r;
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr1));
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT_2, &addr2));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr1, 0);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr2, 0);
ASSERT(r == UV_EINVAL);
uv_close((uv_handle_t*)&server, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_localhost_ok) {
struct sockaddr_in addr;
uv_tcp_t server;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_invalid_flags) {
struct sockaddr_in addr;
uv_tcp_t server;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, UV_TCP_IPV6ONLY);
ASSERT(r == UV_EINVAL);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_listen_without_bind) {
int r;
uv_tcp_t server;
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&server, 128, NULL);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(tcp_bind_writable_flags) {
struct sockaddr_in addr;
uv_tcp_t server;
uv_buf_t buf;
uv_write_t write_req;
uv_shutdown_t shutdown_req;
int r;
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
r = uv_tcp_init(uv_default_loop(), &server);
ASSERT(r == 0);
r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&server, 128, NULL);
ASSERT(r == 0);
ASSERT(0 == uv_is_writable((uv_stream_t*) &server));
ASSERT(0 == uv_is_readable((uv_stream_t*) &server));
buf = uv_buf_init("PING", 4);
r = uv_write(&write_req, (uv_stream_t*) &server, &buf, 1, NULL);
ASSERT(r == UV_EPIPE);
r = uv_shutdown(&shutdown_req, (uv_stream_t*) &server, NULL);
ASSERT(r == UV_ENOTCONN);
r = uv_read_start((uv_stream_t*) &server,
(uv_alloc_cb) abort,
(uv_read_cb) abort);
ASSERT(r == UV_ENOTCONN);
uv_close((uv_handle_t*)&server, close_cb);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}