urbit/outside/libuv-v1.7.5/test/test-tcp-close.c
2015-11-16 17:34:48 -05:00

137 lines
3.6 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 <errno.h>
#include <string.h> /* memset */
#define NUM_WRITE_REQS 32
static uv_tcp_t tcp_handle;
static uv_connect_t connect_req;
static int write_cb_called;
static int close_cb_called;
static void connect_cb(uv_connect_t* req, int status);
static void write_cb(uv_write_t* req, int status);
static void close_cb(uv_handle_t* handle);
static void connect_cb(uv_connect_t* conn_req, int status) {
uv_write_t* req;
uv_buf_t buf;
int i, r;
buf = uv_buf_init("PING", 4);
for (i = 0; i < NUM_WRITE_REQS; i++) {
req = malloc(sizeof *req);
ASSERT(req != NULL);
r = uv_write(req, (uv_stream_t*)&tcp_handle, &buf, 1, write_cb);
ASSERT(r == 0);
}
uv_close((uv_handle_t*)&tcp_handle, close_cb);
}
static void write_cb(uv_write_t* req, int status) {
/* write callbacks should run before the close callback */
ASSERT(close_cb_called == 0);
ASSERT(req->handle == (uv_stream_t*)&tcp_handle);
write_cb_called++;
free(req);
}
static void close_cb(uv_handle_t* handle) {
ASSERT(handle == (uv_handle_t*)&tcp_handle);
close_cb_called++;
}
static void connection_cb(uv_stream_t* server, int status) {
ASSERT(status == 0);
}
static void start_server(uv_loop_t* loop, uv_tcp_t* handle) {
struct sockaddr_in addr;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
r = uv_tcp_init(loop, handle);
ASSERT(r == 0);
r = uv_tcp_bind(handle, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_listen((uv_stream_t*)handle, 128, connection_cb);
ASSERT(r == 0);
uv_unref((uv_handle_t*)handle);
}
/* Check that pending write requests have their callbacks
* invoked when the handle is closed.
*/
TEST_IMPL(tcp_close) {
struct sockaddr_in addr;
uv_tcp_t tcp_server;
uv_loop_t* loop;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
loop = uv_default_loop();
/* We can't use the echo server, it doesn't handle ECONNRESET. */
start_server(loop, &tcp_server);
r = uv_tcp_init(loop, &tcp_handle);
ASSERT(r == 0);
r = uv_tcp_connect(&connect_req,
&tcp_handle,
(const struct sockaddr*) &addr,
connect_cb);
ASSERT(r == 0);
ASSERT(write_cb_called == 0);
ASSERT(close_cb_called == 0);
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT(r == 0);
printf("%d of %d write reqs seen\n", write_cb_called, NUM_WRITE_REQS);
ASSERT(write_cb_called == NUM_WRITE_REQS);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}