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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;
- }
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