tildefriends/deps/libuv/test/test-tcp-write-to-half-open-connection.c

142 lines
3.9 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>
static void connection_cb(uv_stream_t* server, int status);
static void connect_cb(uv_connect_t* req, int status);
static void write_cb(uv_write_t* req, int status);
static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf);
static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf);
static uv_tcp_t tcp_server;
static uv_tcp_t tcp_client;
static uv_tcp_t tcp_peer; /* client socket as accept()-ed by server */
static uv_connect_t connect_req;
static uv_write_t write_req;
static int write_cb_called;
static int read_cb_called;
static void connection_cb(uv_stream_t* server, int status) {
int r;
uv_buf_t buf;
ASSERT(server == (uv_stream_t*)&tcp_server);
ASSERT(status == 0);
r = uv_tcp_init(server->loop, &tcp_peer);
ASSERT(r == 0);
r = uv_accept(server, (uv_stream_t*)&tcp_peer);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)&tcp_peer, alloc_cb, read_cb);
ASSERT(r == 0);
buf.base = "hello\n";
buf.len = 6;
r = uv_write(&write_req, (uv_stream_t*)&tcp_peer, &buf, 1, write_cb);
ASSERT(r == 0);
}
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[1024];
buf->base = slab;
buf->len = sizeof(slab);
}
static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
if (nread < 0) {
fprintf(stderr, "read_cb error: %s\n", uv_err_name(nread));
ASSERT(nread == UV_ECONNRESET || nread == UV_EOF);
uv_close((uv_handle_t*)&tcp_server, NULL);
uv_close((uv_handle_t*)&tcp_peer, NULL);
}
read_cb_called++;
}
static void connect_cb(uv_connect_t* req, int status) {
ASSERT(req == &connect_req);
ASSERT(status == 0);
/* Close the client. */
uv_close((uv_handle_t*)&tcp_client, NULL);
}
static void write_cb(uv_write_t* req, int status) {
ASSERT(status == 0);
write_cb_called++;
}
TEST_IMPL(tcp_write_to_half_open_connection) {
struct sockaddr_in addr;
uv_loop_t* loop;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
loop = uv_default_loop();
ASSERT_NOT_NULL(loop);
r = uv_tcp_init(loop, &tcp_server);
ASSERT(r == 0);
r = uv_tcp_bind(&tcp_server, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)&tcp_server, 1, connection_cb);
ASSERT(r == 0);
r = uv_tcp_init(loop, &tcp_client);
ASSERT(r == 0);
r = uv_tcp_connect(&connect_req,
&tcp_client,
(const struct sockaddr*) &addr,
connect_cb);
ASSERT(r == 0);
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(write_cb_called > 0);
ASSERT(read_cb_called > 0);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}