| /* 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 uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) { |
| /* we're not actually reading anything so a small buffer is okay */ |
| static char buf[8]; |
| return uv_buf_init(buf, sizeof(buf)); |
| } |
| |
| |
| static void recv_cb(uv_pipe_t* handle, |
| ssize_t nread, |
| uv_buf_t buf, |
| uv_handle_type pending) { |
| int r; |
| |
| ASSERT(pending == ctx.expected_type); |
| ASSERT(handle == &ctx.channel); |
| ASSERT(nread >= 0); |
| |
| 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((uv_stream_t*)&ctx.channel, &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_read2_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) { |
| int r; |
| |
| 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, uv_ip4_addr("127.0.0.1", TEST_PORT)); |
| 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 read2_cb(uv_pipe_t* handle, |
| ssize_t nread, |
| uv_buf_t buf, |
| uv_handle_type pending) { |
| int r; |
| |
| ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP); |
| ASSERT(handle == &ctx.channel); |
| ASSERT(nread >= 0); |
| |
| buf = 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((uv_stream_t*)handle, &ctx.recv.stream); |
| ASSERT(r == 0); |
| |
| r = uv_write2(&ctx.write_req, |
| (uv_stream_t*)&ctx.channel, |
| &buf, 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(uv_is_readable((uv_stream_t*)&ctx.channel)); |
| ASSERT(uv_is_writable((uv_stream_t*)&ctx.channel)); |
| ASSERT(!uv_is_closing((uv_handle_t*)&ctx.channel)); |
| |
| r = uv_read2_start((uv_stream_t*)&ctx.channel, alloc_cb, read2_cb); |
| ASSERT(r == 0); |
| |
| r = uv_run(uv_default_loop(), UV_RUN_DEFAULT); |
| ASSERT(r == 0); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |