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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>
#include <string.h>
#ifndef _WIN32
# include <unistd.h>
#endif
static int send_cb_called = 0;
static int close_cb_called = 0;
static uv_udp_send_t send_req;
static void startup(void) {
#ifdef _WIN32
struct WSAData wsa_data;
int r = WSAStartup(MAKEWORD(2, 2), &wsa_data);
ASSERT(r == 0);
#endif
}
static uv_os_sock_t create_udp_socket(void) {
uv_os_sock_t sock;
sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
#ifdef _WIN32
ASSERT(sock != INVALID_SOCKET);
#else
ASSERT(sock >= 0);
#endif
#ifndef _WIN32
{
/* Allow reuse of the port. */
int yes = 1;
int r = setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof yes);
ASSERT(r == 0);
}
#endif
return sock;
}
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[65536];
ASSERT(suggested_size <= sizeof(slab));
buf->base = slab;
buf->len = sizeof(slab);
}
static void close_cb(uv_handle_t* handle) {
ASSERT(handle != NULL);
close_cb_called++;
}
static void recv_cb(uv_udp_t* handle,
ssize_t nread,
const uv_buf_t* buf,
const struct sockaddr* addr,
unsigned flags) {
int r;
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;
}
ASSERT(flags == 0);
ASSERT(addr != NULL);
ASSERT(nread == 4);
ASSERT(memcmp("PING", buf->base, nread) == 0);
r = uv_udp_recv_stop(handle);
ASSERT(r == 0);
uv_close((uv_handle_t*) handle, close_cb);
}
static void send_cb(uv_udp_send_t* req, int status) {
ASSERT(req != NULL);
ASSERT(status == 0);
send_cb_called++;
}
TEST_IMPL(udp_open) {
struct sockaddr_in addr;
uv_buf_t buf = uv_buf_init("PING", 4);
uv_udp_t client;
uv_os_sock_t sock;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
startup();
sock = create_udp_socket();
r = uv_udp_init(uv_default_loop(), &client);
ASSERT(r == 0);
r = uv_udp_open(&client, sock);
ASSERT(r == 0);
r = uv_udp_bind(&client, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
ASSERT(r == 0);
r = uv_udp_send(&send_req,
&client,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb);
ASSERT(r == 0);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(send_cb_called == 1);
ASSERT(close_cb_called == 1);
ASSERT(client.send_queue_size == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
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