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218 lines
5.3 KiB
218 lines
5.3 KiB
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <stdio.h>
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#include <string.h>
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/* See test-ipc.ctx */
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void spawn_helper(uv_pipe_t* channel,
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uv_process_t* process,
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const char* helper);
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union handles {
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uv_handle_t handle;
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uv_stream_t stream;
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uv_pipe_t pipe;
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uv_tcp_t tcp;
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uv_tty_t tty;
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};
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struct echo_ctx {
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uv_pipe_t channel;
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uv_write_t write_req;
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uv_handle_type expected_type;
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union handles send;
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union handles recv;
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};
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static struct echo_ctx ctx;
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static int num_recv_handles;
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static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) {
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/* we're not actually reading anything so a small buffer is okay */
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static char buf[8];
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return uv_buf_init(buf, sizeof(buf));
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}
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static void recv_cb(uv_pipe_t* handle,
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ssize_t nread,
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uv_buf_t buf,
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uv_handle_type pending) {
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int r;
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ASSERT(pending == ctx.expected_type);
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ASSERT(handle == &ctx.channel);
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ASSERT(nread >= 0);
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if (pending == UV_NAMED_PIPE)
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r = uv_pipe_init(ctx.channel.loop, &ctx.recv.pipe, 0);
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else if (pending == UV_TCP)
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r = uv_tcp_init(ctx.channel.loop, &ctx.recv.tcp);
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else
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abort();
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ASSERT(r == 0);
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r = uv_accept((uv_stream_t*)&ctx.channel, &ctx.recv.stream);
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ASSERT(r == 0);
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uv_close((uv_handle_t*)&ctx.channel, NULL);
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uv_close(&ctx.send.handle, NULL);
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uv_close(&ctx.recv.handle, NULL);
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num_recv_handles++;
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}
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static int run_test(void) {
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uv_process_t process;
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uv_buf_t buf;
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int r;
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spawn_helper(&ctx.channel, &process, "ipc_send_recv_helper");
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buf = uv_buf_init(".", 1);
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r = uv_write2(&ctx.write_req,
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(uv_stream_t*)&ctx.channel,
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&buf, 1,
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&ctx.send.stream,
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NULL);
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ASSERT(r == 0);
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r = uv_read2_start((uv_stream_t*)&ctx.channel, alloc_cb, recv_cb);
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ASSERT(r == 0);
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r = uv_run(uv_default_loop());
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ASSERT(r == 0);
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ASSERT(num_recv_handles == 1);
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return 0;
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}
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TEST_IMPL(ipc_send_recv_pipe) {
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int r;
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ctx.expected_type = UV_NAMED_PIPE;
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r = uv_pipe_init(uv_default_loop(), &ctx.send.pipe, 1);
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ASSERT(r == 0);
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r = uv_pipe_bind(&ctx.send.pipe, TEST_PIPENAME);
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ASSERT(r == 0);
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r = run_test();
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ASSERT(r == 0);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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TEST_IMPL(ipc_send_recv_tcp) {
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int r;
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ctx.expected_type = UV_TCP;
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r = uv_tcp_init(uv_default_loop(), &ctx.send.tcp);
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ASSERT(r == 0);
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r = uv_tcp_bind(&ctx.send.tcp, uv_ip4_addr("127.0.0.1", TEST_PORT));
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ASSERT(r == 0);
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r = run_test();
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ASSERT(r == 0);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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/* Everything here runs in a child process. */
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static void write2_cb(uv_write_t* req, int status) {
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ASSERT(status == 0);
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uv_close(&ctx.recv.handle, NULL);
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uv_close((uv_handle_t*)&ctx.channel, NULL);
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}
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static void read2_cb(uv_pipe_t* handle,
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ssize_t nread,
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uv_buf_t buf,
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uv_handle_type pending) {
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int r;
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ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP);
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ASSERT(handle == &ctx.channel);
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ASSERT(nread >= 0);
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buf = uv_buf_init(".", 1);
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if (pending == UV_NAMED_PIPE)
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r = uv_pipe_init(ctx.channel.loop, &ctx.recv.pipe, 0);
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else if (pending == UV_TCP)
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r = uv_tcp_init(ctx.channel.loop, &ctx.recv.tcp);
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else
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abort();
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ASSERT(r == 0);
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r = uv_accept((uv_stream_t*)handle, &ctx.recv.stream);
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ASSERT(r == 0);
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r = uv_write2(&ctx.write_req,
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(uv_stream_t*)&ctx.channel,
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&buf, 1,
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&ctx.recv.stream,
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write2_cb);
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ASSERT(r == 0);
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}
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/* stdin is a duplex channel over which a handle is sent.
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* We receive it and send it back where it came from.
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*/
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int ipc_send_recv_helper(void) {
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int r;
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memset(&ctx, 0, sizeof(ctx));
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r = uv_pipe_init(uv_default_loop(), &ctx.channel, 1);
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ASSERT(r == 0);
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uv_pipe_open(&ctx.channel, 0);
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ASSERT(uv_is_readable((uv_stream_t*)&ctx.channel));
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ASSERT(uv_is_writable((uv_stream_t*)&ctx.channel));
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ASSERT(!uv_is_closing((uv_handle_t*)&ctx.channel));
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r = uv_read2_start((uv_stream_t*)&ctx.channel, alloc_cb, read2_cb);
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ASSERT(r == 0);
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r = uv_run(uv_default_loop());
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ASSERT(r == 0);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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