diff options
Diffstat (limited to 'test/test-ipc-send-recv.c')
-rw-r--r-- | test/test-ipc-send-recv.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/test/test-ipc-send-recv.c b/test/test-ipc-send-recv.c new file mode 100644 index 0000000000..b2b5aa0e92 --- /dev/null +++ b/test/test-ipc-send-recv.c @@ -0,0 +1,226 @@ +/* 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_pipe_t* handle, + ssize_t nread, + const 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) { + 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 read2_cb(uv_pipe_t* handle, + ssize_t nread, + const uv_buf_t* rdbuf, + uv_handle_type pending) { + uv_buf_t wrbuf; + int r; + + ASSERT(pending == UV_NAMED_PIPE || pending == UV_TCP); + ASSERT(handle == &ctx.channel); + ASSERT(nread >= 0); + + 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((uv_stream_t*)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_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; +} |