mirror of
https://github.com/ilyakooo0/urbit.git
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154 lines
4.0 KiB
C
154 lines
4.0 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 <stdlib.h>
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#include <string.h>
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#define CHECK_HANDLE(handle) \
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ASSERT((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client)
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static uv_udp_t server;
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static uv_udp_t client;
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static int cl_recv_cb_called;
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static int sv_send_cb_called;
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static int close_cb_called;
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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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CHECK_HANDLE(handle);
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ASSERT(suggested_size <= sizeof(slab));
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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 close_cb(uv_handle_t* handle) {
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CHECK_HANDLE(handle);
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close_cb_called++;
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}
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static void sv_send_cb(uv_udp_send_t* req, int status) {
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ASSERT(req != NULL);
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ASSERT(status == 0);
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CHECK_HANDLE(req->handle);
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sv_send_cb_called++;
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uv_close((uv_handle_t*) req->handle, close_cb);
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}
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static void cl_recv_cb(uv_udp_t* handle,
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ssize_t nread,
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const uv_buf_t* buf,
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const struct sockaddr* addr,
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unsigned flags) {
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CHECK_HANDLE(handle);
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ASSERT(flags == 0);
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cl_recv_cb_called++;
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if (nread < 0) {
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ASSERT(0 && "unexpected error");
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}
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if (nread == 0) {
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/* Returning unused buffer */
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/* Don't count towards cl_recv_cb_called */
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ASSERT(addr == NULL);
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return;
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}
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ASSERT(addr != NULL);
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ASSERT(nread == 4);
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ASSERT(!memcmp("PING", buf->base, nread));
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/* we are done with the client handle, we can close it */
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uv_close((uv_handle_t*) &client, close_cb);
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}
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TEST_IMPL(udp_multicast_join6) {
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int r;
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uv_udp_send_t req;
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uv_buf_t buf;
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struct sockaddr_in6 addr;
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ASSERT(0 == uv_ip6_addr("::1", TEST_PORT, &addr));
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r = uv_udp_init(uv_default_loop(), &server);
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ASSERT(r == 0);
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r = uv_udp_init(uv_default_loop(), &client);
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ASSERT(r == 0);
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/* bind to the desired port */
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r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0);
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ASSERT(r == 0);
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/* join the multicast channel */
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#if defined(__APPLE__)
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r = uv_udp_set_membership(&client, "ff02::1", "::1%lo0", UV_JOIN_GROUP);
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#else
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r = uv_udp_set_membership(&client, "ff02::1", NULL, UV_JOIN_GROUP);
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#endif
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ASSERT(r == 0);
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r = uv_udp_recv_start(&client, alloc_cb, cl_recv_cb);
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ASSERT(r == 0);
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buf = uv_buf_init("PING", 4);
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/* server sends "PING" */
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r = uv_udp_send(&req,
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&server,
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&buf,
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1,
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(const struct sockaddr*) &addr,
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sv_send_cb);
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ASSERT(r == 0);
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ASSERT(close_cb_called == 0);
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ASSERT(cl_recv_cb_called == 0);
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ASSERT(sv_send_cb_called == 0);
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/* run the loop till all events are processed */
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uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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ASSERT(cl_recv_cb_called == 1);
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ASSERT(sv_send_cb_called == 1);
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ASSERT(close_cb_called == 2);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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