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121 lines
3.3 KiB
121 lines
3.3 KiB
/* 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 <stdlib.h> |
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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 void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf); |
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static void read_cb(uv_stream_t* stream, ssize_t nread, const 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 void alloc_cb(uv_handle_t* handle, |
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size_t suggested_size, |
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uv_buf_t* buf) { |
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static char slab[65536]; |
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buf->base = slab; |
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buf->len = sizeof(slab); |
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} |
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static void read_cb(uv_stream_t* stream, ssize_t nread, const 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(nread == 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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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr)); |
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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, (const struct sockaddr*) &addr, 0); |
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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, UV_RUN_DEFAULT); |
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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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