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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>
typedef struct {
uv_tcp_t handle;
uv_shutdown_t shutdown_req;
} conn_rec;
static uv_tcp_t tcp_server;
static void connection_cb(uv_stream_t* stream, int status);
static void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf);
static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf);
static void shutdown_cb(uv_shutdown_t* req, int status);
static void close_cb(uv_handle_t* handle);
static void connection_cb(uv_stream_t* stream, int status) {
conn_rec* conn;
int r;
ASSERT(status == 0);
ASSERT(stream == (uv_stream_t*)&tcp_server);
conn = malloc(sizeof *conn);
ASSERT(conn != NULL);
r = uv_tcp_init(stream->loop, &conn->handle);
ASSERT(r == 0);
r = uv_accept(stream, (uv_stream_t*)&conn->handle);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)&conn->handle, alloc_cb, read_cb);
ASSERT(r == 0);
}
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[65536];
buf->base = slab;
buf->len = sizeof(slab);
}
static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
conn_rec* conn;
int r;
if (nread >= 0)
return;
ASSERT(nread == UV_EOF);
conn = container_of(stream, conn_rec, handle);
r = uv_shutdown(&conn->shutdown_req, stream, shutdown_cb);
ASSERT(r == 0);
}
static void shutdown_cb(uv_shutdown_t* req, int status) {
conn_rec* conn = container_of(req, conn_rec, shutdown_req);
uv_close((uv_handle_t*)&conn->handle, close_cb);
}
static void close_cb(uv_handle_t* handle) {
conn_rec* conn = container_of(handle, conn_rec, handle);
free(conn);
}
HELPER_IMPL(tcp4_blackhole_server) {
struct sockaddr_in addr;
uv_loop_t* loop;
int r;
loop = uv_default_loop();
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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, 128, connection_cb);
ASSERT(r == 0);
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT(0 && "Blackhole server dropped out of event loop.");
return 0;
}