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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"
#ifndef _WIN32
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
/* NOTE: size should be divisible by 2 */
static uv_pipe_t incoming[4];
static unsigned int incoming_count;
static unsigned int close_called;
static void set_nonblocking(uv_os_sock_t sock) {
int r;
#ifdef _WIN32
unsigned long on = 1;
r = ioctlsocket(sock, FIONBIO, &on);
ASSERT_OK(r);
#else
int flags = fcntl(sock, F_GETFL, 0);
ASSERT_GE(flags, 0);
r = fcntl(sock, F_SETFL, flags | O_NONBLOCK);
ASSERT_GE(r, 0);
#endif
}
static void close_cb(uv_handle_t* handle) {
close_called++;
}
static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
static char base[1];
buf->base = base;
buf->len = sizeof(base);
}
static void read_cb(uv_stream_t* handle,
ssize_t nread,
const uv_buf_t* buf) {
uv_pipe_t* p;
uv_pipe_t* inc;
uv_handle_type pending;
unsigned int i;
p = (uv_pipe_t*) handle;
ASSERT_GE(nread, 0);
while (uv_pipe_pending_count(p) != 0) {
pending = uv_pipe_pending_type(p);
ASSERT_EQ(pending, UV_NAMED_PIPE);
ASSERT_LT(incoming_count, ARRAY_SIZE(incoming));
inc = &incoming[incoming_count++];
ASSERT_OK(uv_pipe_init(p->loop, inc, 0));
ASSERT_OK(uv_accept(handle, (uv_stream_t*) inc));
}
if (incoming_count != ARRAY_SIZE(incoming))
return;
ASSERT_OK(uv_read_stop((uv_stream_t*) p));
uv_close((uv_handle_t*) p, close_cb);
for (i = 0; i < ARRAY_SIZE(incoming); i++)
uv_close((uv_handle_t*) &incoming[i], close_cb);
}
TEST_IMPL(pipe_sendmsg) {
#if defined(NO_SEND_HANDLE_ON_PIPE)
RETURN_SKIP(NO_SEND_HANDLE_ON_PIPE);
#endif
uv_pipe_t p;
int r;
int fds[2];
int send_fds[ARRAY_SIZE(incoming)];
struct msghdr msg;
char scratch[64];
struct cmsghdr *cmsg;
unsigned int i;
uv_buf_t buf;
ASSERT_OK(socketpair(AF_UNIX, SOCK_STREAM, 0, fds));
for (i = 0; i < ARRAY_SIZE(send_fds); i += 2)
ASSERT_OK(socketpair(AF_UNIX, SOCK_STREAM, 0, send_fds + i));
ASSERT_EQ(i, ARRAY_SIZE(send_fds));
ASSERT_OK(uv_pipe_init(uv_default_loop(), &p, 1));
ASSERT_OK(uv_pipe_open(&p, fds[1]));
buf = uv_buf_init("X", 1);
memset(&msg, 0, sizeof(msg));
msg.msg_iov = (struct iovec*) &buf;
msg.msg_iovlen = 1;
msg.msg_flags = 0;
msg.msg_control = (void*) scratch;
msg.msg_controllen = CMSG_LEN(sizeof(send_fds));
ASSERT_GE(sizeof(scratch), msg.msg_controllen);
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_level = SOL_SOCKET;
cmsg->cmsg_type = SCM_RIGHTS;
cmsg->cmsg_len = msg.msg_controllen;
/* silence aliasing warning */
{
void* pv = CMSG_DATA(cmsg);
int* pi = pv;
for (i = 0; i < ARRAY_SIZE(send_fds); i++)
pi[i] = send_fds[i];
}
set_nonblocking(fds[1]);
ASSERT_OK(uv_read_start((uv_stream_t*) &p, alloc_cb, read_cb));
do
r = sendmsg(fds[0], &msg, 0);
while (r == -1 && errno == EINTR);
ASSERT_EQ(1, r);
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(ARRAY_SIZE(incoming), incoming_count);
ASSERT_EQ(ARRAY_SIZE(incoming) + 1, close_called);
close(fds[0]);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#else /* !_WIN32 */
TEST_IMPL(pipe_sendmsg) {
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
#endif /* _WIN32 */
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