mirror of
https://github.com/urbit/shrub.git
synced 2024-12-23 19:05:48 +03:00
149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/* 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>
|
|
#include <string.h>
|
|
|
|
#define CHECK_HANDLE(handle) \
|
|
ASSERT((uv_udp_t*)(handle) == &server || (uv_udp_t*)(handle) == &client)
|
|
|
|
static uv_udp_t server;
|
|
static uv_udp_t client;
|
|
|
|
static int cl_send_cb_called;
|
|
static int sv_recv_cb_called;
|
|
static int close_cb_called;
|
|
|
|
|
|
static void alloc_cb(uv_handle_t* handle,
|
|
size_t suggested_size,
|
|
uv_buf_t* buf) {
|
|
static char slab[65536];
|
|
CHECK_HANDLE(handle);
|
|
ASSERT(suggested_size <= sizeof(slab));
|
|
buf->base = slab;
|
|
buf->len = sizeof(slab);
|
|
}
|
|
|
|
|
|
static void close_cb(uv_handle_t* handle) {
|
|
CHECK_HANDLE(handle);
|
|
ASSERT(1 == uv_is_closing(handle));
|
|
close_cb_called++;
|
|
}
|
|
|
|
|
|
static void cl_send_cb(uv_udp_send_t* req, int status) {
|
|
ASSERT(req != NULL);
|
|
ASSERT(status == 0);
|
|
CHECK_HANDLE(req->handle);
|
|
|
|
cl_send_cb_called++;
|
|
}
|
|
|
|
|
|
static void sv_recv_cb(uv_udp_t* handle,
|
|
ssize_t nread,
|
|
const uv_buf_t* rcvbuf,
|
|
const struct sockaddr* addr,
|
|
unsigned flags) {
|
|
if (nread < 0) {
|
|
ASSERT(0 && "unexpected error");
|
|
}
|
|
|
|
if (nread == 0) {
|
|
/* Returning unused buffer */
|
|
/* Don't count towards sv_recv_cb_called */
|
|
ASSERT(addr == NULL);
|
|
return;
|
|
}
|
|
|
|
CHECK_HANDLE(handle);
|
|
ASSERT(flags == 0);
|
|
|
|
ASSERT(addr != NULL);
|
|
ASSERT(nread == 4);
|
|
ASSERT(memcmp("PING", rcvbuf->base, nread) == 0 ||
|
|
memcmp("PANG", rcvbuf->base, nread) == 0);
|
|
|
|
if (++sv_recv_cb_called == 2) {
|
|
uv_close((uv_handle_t*) &server, close_cb);
|
|
uv_close((uv_handle_t*) &client, close_cb);
|
|
}
|
|
}
|
|
|
|
|
|
TEST_IMPL(udp_send_immediate) {
|
|
struct sockaddr_in addr;
|
|
uv_udp_send_t req1, req2;
|
|
uv_buf_t buf;
|
|
int r;
|
|
|
|
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
|
|
|
|
r = uv_udp_init(uv_default_loop(), &server);
|
|
ASSERT(r == 0);
|
|
|
|
r = uv_udp_bind(&server, (const struct sockaddr*) &addr, 0);
|
|
ASSERT(r == 0);
|
|
|
|
r = uv_udp_recv_start(&server, alloc_cb, sv_recv_cb);
|
|
ASSERT(r == 0);
|
|
|
|
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
|
|
|
|
r = uv_udp_init(uv_default_loop(), &client);
|
|
ASSERT(r == 0);
|
|
|
|
/* client sends "PING", then "PANG" */
|
|
buf = uv_buf_init("PING", 4);
|
|
|
|
r = uv_udp_send(&req1,
|
|
&client,
|
|
&buf,
|
|
1,
|
|
(const struct sockaddr*) &addr,
|
|
cl_send_cb);
|
|
ASSERT(r == 0);
|
|
|
|
buf = uv_buf_init("PANG", 4);
|
|
|
|
r = uv_udp_send(&req2,
|
|
&client,
|
|
&buf,
|
|
1,
|
|
(const struct sockaddr*) &addr,
|
|
cl_send_cb);
|
|
|
|
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
|
|
|
|
ASSERT(cl_send_cb_called == 2);
|
|
ASSERT(sv_recv_cb_called == 2);
|
|
ASSERT(close_cb_called == 2);
|
|
|
|
MAKE_VALGRIND_HAPPY();
|
|
return 0;
|
|
}
|