| /* 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 uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size); |
| static void read_cb(uv_stream_t* stream, ssize_t nread, 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 uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) { |
| static char buf[65536]; |
| return uv_buf_init(buf, sizeof buf); |
| } |
| |
| |
| static void read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf) { |
| conn_rec* conn; |
| int r; |
| |
| if (nread >= 0) |
| return; |
| |
| ASSERT(uv_last_error(stream->loop).code == 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(); |
| addr = uv_ip4_addr("127.0.0.1", TEST_PORT); |
| |
| r = uv_tcp_init(loop, &tcp_server); |
| ASSERT(r == 0); |
| |
| r = uv_tcp_bind(&tcp_server, addr); |
| 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; |
| } |