/* 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 #include /* 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; }