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123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#define container_of(ptr, type, member) \
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((type *) ((char *) (ptr) - offsetof(type, member)))
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typedef struct {
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uv_tcp_t handle;
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uv_shutdown_t shutdown_req;
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} conn_rec;
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static uv_tcp_t tcp_server;
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static void connection_cb(uv_stream_t* stream, int status);
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static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size);
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static void read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf);
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static void shutdown_cb(uv_shutdown_t* req, int status);
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static void close_cb(uv_handle_t* handle);
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static void connection_cb(uv_stream_t* stream, int status) {
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conn_rec* conn;
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int r;
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ASSERT(status == 0);
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ASSERT(stream == (uv_stream_t*)&tcp_server);
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conn = malloc(sizeof *conn);
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ASSERT(conn != NULL);
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r = uv_tcp_init(stream->loop, &conn->handle);
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ASSERT(r == 0);
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r = uv_accept(stream, (uv_stream_t*)&conn->handle);
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ASSERT(r == 0);
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r = uv_read_start((uv_stream_t*)&conn->handle, alloc_cb, read_cb);
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ASSERT(r == 0);
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}
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static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) {
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static char buf[65536];
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return uv_buf_init(buf, sizeof buf);
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}
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static void read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf) {
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conn_rec* conn;
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int r;
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if (nread >= 0)
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return;
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ASSERT(uv_last_error(stream->loop).code == UV_EOF);
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conn = container_of(stream, conn_rec, handle);
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r = uv_shutdown(&conn->shutdown_req, stream, shutdown_cb);
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ASSERT(r == 0);
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}
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static void shutdown_cb(uv_shutdown_t* req, int status) {
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conn_rec* conn = container_of(req, conn_rec, shutdown_req);
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uv_close((uv_handle_t*)&conn->handle, close_cb);
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}
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static void close_cb(uv_handle_t* handle) {
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conn_rec* conn = container_of(handle, conn_rec, handle);
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free(conn);
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}
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HELPER_IMPL(tcp4_blackhole_server) {
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struct sockaddr_in addr;
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uv_loop_t* loop;
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int r;
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loop = uv_default_loop();
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addr = uv_ip4_addr("127.0.0.1", TEST_PORT);
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r = uv_tcp_init(loop, &tcp_server);
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ASSERT(r == 0);
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r = uv_tcp_bind(&tcp_server, addr);
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ASSERT(r == 0);
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r = uv_listen((uv_stream_t*)&tcp_server, 128, connection_cb);
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ASSERT(r == 0);
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r = uv_run(loop);
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ASSERT(0 && "Blackhole server dropped out of event loop.");
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return 0;
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}
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