Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

237 lines (179 sloc) 5.83 kB
/* 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 <string.h>
/* See test-ipc.ctx */
void spawn_helper(uv_pipe_t* channel,
uv_process_t* process,
const char* helper);
union handles {
uv_handle_t handle;
uv_stream_t stream;
uv_pipe_t pipe;
uv_tcp_t tcp;
uv_tty_t tty;
};
struct echo_ctx {
uv_pipe_t channel;
uv_write_t write_req;
uv_handle_type expected_type;
union handles send;
union handles recv;
};
static struct echo_ctx ctx;
static int num_recv_handles;
static void alloc_cb(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
/* we're not actually reading anything so a small buffer is okay */
static char slab[8];
buf->base = slab;
buf->len = sizeof(slab);
}
static void recv_cb(uv_stream_t* handle,
ssize_t nread,
const uv_buf_t* buf) {
uv_handle_type pending;
uv_pipe_t* pipe;
int r;
pipe = (uv_pipe_t*) handle;
ASSERT(pipe == &ctx.channel);
ASSERT(nread >= 0);
ASSERT(1 == uv_pipe_pending_count(pipe));
pending = uv_pipe_pending_type(pipe);
ASSERT(pending == ctx.expected_type);
if (pending == UV_NAMED_PIPE)
r = uv_pipe_init(ctx.channel.loop, &ctx.recv.pipe, 0);
else if (pending == UV_TCP)
r = uv_tcp_init(ctx.channel.loop, &ctx.recv.tcp);
else
abort();
ASSERT(r == 0);
r = uv_accept(handle, &ctx.recv.stream);
ASSERT(r == 0);
uv_close((uv_handle_t*)&ctx.channel, NULL);
uv_close(&ctx.send.handle, NULL);
uv_close(&ctx.recv.handle, NULL);
num_recv_handles++;
}
static int run_test(void) {
uv_process_t process;
uv_buf_t buf;
int r;
spawn_helper(&ctx.channel, &process, "ipc_send_recv_helper");
buf = uv_buf_init(".", 1);
r = uv_write2(&ctx.write_req,
(uv_stream_t*)&ctx.channel,
&buf, 1,
&ctx.send.stream,
NULL);
ASSERT(r == 0);
r = uv_read_start((uv_stream_t*)&ctx.channel, alloc_cb, recv_cb);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
ASSERT(num_recv_handles == 1);
return 0;
}
TEST_IMPL(ipc_send_recv_pipe) {
int r;
ctx.expected_type = UV_NAMED_PIPE;
r = uv_pipe_init(uv_default_loop(), &ctx.send.pipe, 1);
ASSERT(r == 0);
r = uv_pipe_bind(&ctx.send.pipe, TEST_PIPENAME);
ASSERT(r == 0);
r = run_test();
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(ipc_send_recv_tcp) {
struct sockaddr_in addr;
int r;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ctx.expected_type = UV_TCP;
r = uv_tcp_init(uv_default_loop(), &ctx.send.tcp);
ASSERT(r == 0);
r = uv_tcp_bind(&ctx.send.tcp, (const struct sockaddr*) &addr, 0);
ASSERT(r == 0);
r = run_test();
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
/* Everything here runs in a child process. */
static void write2_cb(uv_write_t* req, int status) {
ASSERT(status == 0);
uv_close(&ctx.recv.handle, NULL);
uv_close((uv_handle_t*)&ctx.channel, NULL);
}
static void read_cb(uv_stream_t* handle,
ssize_t nread,
const uv_buf_t* rdbuf) {
uv_buf_t wrbuf;
uv_pipe_t* pipe;
uv_handle_type pending;
int r;
pipe = (uv_pipe_t*) handle;
ASSERT(pipe == &ctx.channel);
ASSERT(nread >= 0);
ASSERT(1 == uv_pipe_pending_count(pipe));
pending = uv_pipe_pending_type(pipe);
ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP);
wrbuf = uv_buf_init(".", 1);
if (pending == UV_NAMED_PIPE)
r = uv_pipe_init(ctx.channel.loop, &ctx.recv.pipe, 0);
else if (pending == UV_TCP)
r = uv_tcp_init(ctx.channel.loop, &ctx.recv.tcp);
else
abort();
ASSERT(r == 0);
r = uv_accept(handle, &ctx.recv.stream);
ASSERT(r == 0);
r = uv_write2(&ctx.write_req,
(uv_stream_t*)&ctx.channel,
&wrbuf,
1,
&ctx.recv.stream,
write2_cb);
ASSERT(r == 0);
}
/* stdin is a duplex channel over which a handle is sent.
* We receive it and send it back where it came from.
*/
int ipc_send_recv_helper(void) {
int r;
memset(&ctx, 0, sizeof(ctx));
r = uv_pipe_init(uv_default_loop(), &ctx.channel, 1);
ASSERT(r == 0);
uv_pipe_open(&ctx.channel, 0);
ASSERT(1 == uv_is_readable((uv_stream_t*)&ctx.channel));
ASSERT(1 == uv_is_writable((uv_stream_t*)&ctx.channel));
ASSERT(0 == uv_is_closing((uv_handle_t*)&ctx.channel));
r = uv_read_start((uv_stream_t*)&ctx.channel, alloc_cb, read_cb);
ASSERT(r == 0);
r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT(r == 0);
MAKE_VALGRIND_HAPPY();
return 0;
}
Jump to Line
Something went wrong with that request. Please try again.