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/* 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>
#define MAX_BYTES 1024 * 1024
static uv_tcp_t server;
static uv_tcp_t client;
static uv_tcp_t incoming;
static int connect_cb_called;
static int close_cb_called;
static int connection_cb_called;
static int bytes_read;
static int bytes_written;
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
static void connect_cb(uv_connect_t* req, int status) {
int r;
uv_buf_t buf;
ASSERT(status == 0);
connect_cb_called++;
do {
buf = uv_buf_init("PING", 4);
r = uv_try_write((uv_stream_t*) &client, &buf, 1);
ASSERT(r > 0 || r == UV_EAGAIN);
if (r > 0) {
bytes_written += r;
break;
}
} while (1);
do {
buf = uv_buf_init("", 0);
r = uv_try_write((uv_stream_t*) &client, &buf, 1);
} while (r != 0);
uv_close((uv_handle_t*) &client, close_cb);
}
static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
static char base[1024];
buf->base = base;
buf->len = sizeof(base);
}
static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
if (nread < 0) {
uv_close((uv_handle_t*) tcp, close_cb);
uv_close((uv_handle_t*) &server, close_cb);
return;
}
bytes_read += nread;
}
static void connection_cb(uv_stream_t* tcp, int status) {
ASSERT(status == 0);
ASSERT(0 == uv_tcp_init(tcp->loop, &incoming));
ASSERT(0 == uv_accept(tcp, (uv_stream_t*) &incoming));
connection_cb_called++;
ASSERT(0 == uv_read_start((uv_stream_t*) &incoming, alloc_cb, read_cb));
}
static void start_server(void) {
struct sockaddr_in addr;
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
ASSERT(0 == uv_tcp_init(uv_default_loop(), &server));
ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
ASSERT(0 == uv_listen((uv_stream_t*) &server, 128, connection_cb));
}
TEST_IMPL(tcp_try_write) {
uv_connect_t connect_req;
struct sockaddr_in addr;
start_server();
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ASSERT(0 == uv_tcp_init(uv_default_loop(), &client));
ASSERT(0 == uv_tcp_connect(&connect_req,
&client,
(struct sockaddr*) &addr,
connect_cb));
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
ASSERT(connect_cb_called == 1);
ASSERT(close_cb_called == 3);
ASSERT(connection_cb_called == 1);
ASSERT(bytes_read == bytes_written);
ASSERT(bytes_written > 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
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