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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>
#define CHECK_HANDLE(handle) \
ASSERT_NE((uv_udp_t*)(handle) == &client || (uv_udp_t*)(handle) == &client2, 0)
static uv_udp_t client;
static uv_udp_t client2;
static uv_timer_t timer;
static int send_cb_called;
static int recv_cb_called;
static int close_cb_called;
static int alloc_cb_called;
static int timer_cb_called;
static int can_recverr;
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[65536];
CHECK_HANDLE(handle);
ASSERT_LE(suggested_size, sizeof(slab));
buf->base = slab;
buf->len = sizeof(slab);
alloc_cb_called++;
}
static void close_cb(uv_handle_t* handle) {
ASSERT_EQ(1, uv_is_closing(handle));
close_cb_called++;
}
static void send_cb(uv_udp_send_t* req, int status) {
ASSERT_NOT_NULL(req);
ASSERT_OK(status);
ASSERT_OK(status);
CHECK_HANDLE(req->handle);
send_cb_called++;
}
static void send_cb_recverr(uv_udp_send_t* req, int status) {
ASSERT_PTR_NE(req, NULL);
ASSERT(status == 0 || status == UV_ECONNREFUSED);
CHECK_HANDLE(req->handle);
send_cb_called++;
}
static void recv_cb(uv_udp_t* handle,
ssize_t nread,
const uv_buf_t* rcvbuf,
const struct sockaddr* addr,
unsigned flags) {
CHECK_HANDLE(handle);
recv_cb_called++;
if (nread < 0) {
ASSERT(0 && "unexpected error");
} else if (nread == 0) {
/* Returning unused buffer */
ASSERT_NULL(addr);
} else {
ASSERT_NOT_NULL(addr);
}
}
static void timer_cb(uv_timer_t* h) {
ASSERT_PTR_EQ(h, &timer);
timer_cb_called++;
uv_close((uv_handle_t*) &client, close_cb);
if (can_recverr)
uv_close((uv_handle_t*) &client2, close_cb);
uv_close((uv_handle_t*) h, close_cb);
}
TEST_IMPL(udp_send_unreachable) {
struct sockaddr_in addr;
struct sockaddr_in addr2;
struct sockaddr_in addr3;
uv_udp_send_t req1, req2, req3, req4;
uv_buf_t buf;
int r;
#ifdef __linux__
can_recverr = 1;
#endif
ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT_2, &addr2));
ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT_3, &addr3));
r = uv_timer_init( uv_default_loop(), &timer );
ASSERT_OK(r);
r = uv_timer_start( &timer, timer_cb, 1000, 0 );
ASSERT_OK(r);
r = uv_udp_init(uv_default_loop(), &client);
ASSERT_OK(r);
r = uv_udp_bind(&client, (const struct sockaddr*) &addr2, 0);
ASSERT_OK(r);
r = uv_udp_recv_start(&client, alloc_cb, recv_cb);
ASSERT_OK(r);
/* client sends "PING", then "PANG" */
buf = uv_buf_init("PING", 4);
r = uv_udp_send(&req1,
&client,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb);
ASSERT_OK(r);
buf = uv_buf_init("PANG", 4);
r = uv_udp_send(&req2,
&client,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb);
ASSERT_OK(r);
if (can_recverr) {
r = uv_udp_init(uv_default_loop(), &client2);
ASSERT_OK(r);
r = uv_udp_bind(&client2,
(const struct sockaddr*) &addr3,
UV_UDP_LINUX_RECVERR);
ASSERT_OK(r);
r = uv_udp_recv_start(&client2, alloc_cb, recv_cb);
ASSERT_OK(r);
/* client sends "PING", then "PANG" */
buf = uv_buf_init("PING", 4);
r = uv_udp_send(&req3,
&client2,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb_recverr);
ASSERT_OK(r);
buf = uv_buf_init("PANG", 4);
r = uv_udp_send(&req4,
&client2,
&buf,
1,
(const struct sockaddr*) &addr,
send_cb_recverr);
ASSERT_OK(r);
}
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(send_cb_called, (long)(can_recverr ? 4 : 2));
ASSERT_EQ(recv_cb_called, alloc_cb_called);
ASSERT_EQ(1, timer_cb_called);
ASSERT_EQ(close_cb_called, (long)(can_recverr ? 3 : 2));
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
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