mirror of
https://github.com/urbit/shrub.git
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129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/* Copyright Fedor Indutny. 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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#if !defined(_WIN32)
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#include "uv.h"
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#include "task.h"
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#include <errno.h>
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#include <sys/socket.h>
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#include <unistd.h>
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static uv_tcp_t server_handle;
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static uv_tcp_t client_handle;
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static uv_tcp_t peer_handle;
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static uv_idle_t idle;
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static uv_connect_t connect_req;
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static int ticks;
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static const int kMaxTicks = 10;
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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 storage[1024];
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*buf = uv_buf_init(storage, sizeof(storage));
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}
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static void idle_cb(uv_idle_t* idle) {
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if (++ticks < kMaxTicks)
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return;
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uv_close((uv_handle_t*) &server_handle, NULL);
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uv_close((uv_handle_t*) &client_handle, NULL);
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uv_close((uv_handle_t*) &peer_handle, NULL);
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uv_close((uv_handle_t*) idle, NULL);
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}
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static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
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ASSERT(nread > 0);
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ASSERT(0 == uv_idle_start(&idle, idle_cb));
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}
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static void connect_cb(uv_connect_t* req, int status) {
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ASSERT(req->handle == (uv_stream_t*) &client_handle);
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ASSERT(0 == status);
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}
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static void connection_cb(uv_stream_t* handle, int status) {
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int r;
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uv_os_fd_t fd;
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ASSERT(0 == status);
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ASSERT(0 == uv_accept(handle, (uv_stream_t*) &peer_handle));
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ASSERT(0 == uv_read_start((uv_stream_t*) &peer_handle, alloc_cb, read_cb));
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/* Send some OOB data */
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ASSERT(0 == uv_fileno((uv_handle_t*) &client_handle, &fd));
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ASSERT(0 == uv_stream_set_blocking((uv_stream_t*) &client_handle, 1));
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/* The problem triggers only on a second message, it seem that xnu is not
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* triggering `kevent()` for the first one
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*/
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do {
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r = send(fd, "hello", 5, MSG_OOB);
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} while (r < 0 && errno == EINTR);
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ASSERT(5 == r);
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do {
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r = send(fd, "hello", 5, MSG_OOB);
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} while (r < 0 && errno == EINTR);
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ASSERT(5 == r);
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ASSERT(0 == uv_stream_set_blocking((uv_stream_t*) &client_handle, 0));
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}
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TEST_IMPL(tcp_oob) {
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struct sockaddr_in addr;
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uv_loop_t* loop;
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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loop = uv_default_loop();
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ASSERT(0 == uv_tcp_init(loop, &server_handle));
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ASSERT(0 == uv_tcp_init(loop, &client_handle));
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ASSERT(0 == uv_tcp_init(loop, &peer_handle));
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ASSERT(0 == uv_idle_init(loop, &idle));
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ASSERT(0 == uv_tcp_bind(&server_handle, (const struct sockaddr*) &addr, 0));
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ASSERT(0 == uv_listen((uv_stream_t*) &server_handle, 1, connection_cb));
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/* Ensure two separate packets */
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ASSERT(0 == uv_tcp_nodelay(&client_handle, 1));
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ASSERT(0 == uv_tcp_connect(&connect_req,
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&client_handle,
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(const struct sockaddr*) &addr,
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connect_cb));
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ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
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ASSERT(ticks == kMaxTicks);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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#endif
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