mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-25 07:52:59 +03:00
122 lines
3.3 KiB
C
122 lines
3.3 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>
|
|
|
|
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;
|
|
}
|