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author ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
committer ImJezze <jezze@gmx.net>2016-02-21 11:48:45 +0100
commitcc24a339d8c0517259084b5c178d784626ba965c (patch)
tree9868e9687b5802ae0a3733712a3bbeb3bc75c953 /3rdparty/libuv/test/test-ipc-send-recv.c
parentb5daabda5495dea5c50e17961ecfed2ea8619d76 (diff)
Merge remote-tracking branch 'refs/remotes/mamedev/master'
Second attempt
Diffstat (limited to '3rdparty/libuv/test/test-ipc-send-recv.c')
-rw-r--r--3rdparty/libuv/test/test-ipc-send-recv.c411
1 files changed, 411 insertions, 0 deletions
diff --git a/3rdparty/libuv/test/test-ipc-send-recv.c b/3rdparty/libuv/test/test-ipc-send-recv.c
new file mode 100644
index 00000000000..c445483fa08
--- /dev/null
+++ b/3rdparty/libuv/test/test-ipc-send-recv.c
@@ -0,0 +1,411 @@
+/* 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);
+
+void ipc_send_recv_helper_threadproc(void* arg);
+
+union handles {
+ uv_handle_t handle;
+ uv_stream_t stream;
+ uv_pipe_t pipe;
+ uv_tcp_t tcp;
+ uv_tty_t tty;
+};
+
+struct test_ctx {
+ uv_pipe_t channel;
+ uv_connect_t connect_req;
+ uv_write_t write_req;
+ uv_write_t write_req2;
+ uv_handle_type expected_type;
+ union handles send;
+ union handles send2;
+ union handles recv;
+ union handles recv2;
+};
+
+struct echo_ctx {
+ uv_pipe_t listen;
+ uv_pipe_t channel;
+ uv_write_t write_req;
+ uv_write_t write_req2;
+ uv_handle_type expected_type;
+ union handles recv;
+ union handles recv2;
+};
+
+static struct test_ctx ctx;
+static struct echo_ctx ctx2;
+
+/* Used in write2_cb to decide if we need to cleanup or not */
+static int is_child_process;
+static int is_in_process;
+static int read_cb_called;
+static int recv_cb_called;
+static int write2_cb_called;
+
+
+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;
+ union handles* recv;
+
+ if (++recv_cb_called == 1) {
+ recv = &ctx.recv;
+ } else {
+ recv = &ctx.recv2;
+ }
+
+ pipe = (uv_pipe_t*) handle;
+ ASSERT(pipe == &ctx.channel);
+
+ /* Depending on the OS, the final recv_cb can be called after the child
+ * process has terminated which can result in nread being UV_EOF instead of
+ * the number of bytes read. Since the other end of the pipe has closed this
+ * UV_EOF is an acceptable value. */
+ if (nread == UV_EOF) {
+ /* UV_EOF is only acceptable for the final recv_cb call */
+ ASSERT(recv_cb_called == 2);
+ } else {
+ 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, &recv->pipe, 0);
+ else if (pending == UV_TCP)
+ r = uv_tcp_init(ctx.channel.loop, &recv->tcp);
+ else
+ abort();
+ ASSERT(r == 0);
+
+ r = uv_accept(handle, &recv->stream);
+ ASSERT(r == 0);
+ }
+
+ /* Close after two writes received */
+ if (recv_cb_called == 2) {
+ uv_close((uv_handle_t*)&ctx.channel, NULL);
+ }
+}
+
+static void connect_cb(uv_connect_t* req, int status) {
+ int r;
+ uv_buf_t buf;
+
+ ASSERT(req == &ctx.connect_req);
+ ASSERT(status == 0);
+
+ 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);
+
+ /* Perform two writes to the same pipe to make sure that on Windows we are
+ * not running into issue 505:
+ * https://github.com/libuv/libuv/issues/505 */
+ buf = uv_buf_init(".", 1);
+ r = uv_write2(&ctx.write_req2,
+ (uv_stream_t*)&ctx.channel,
+ &buf, 1,
+ &ctx.send2.stream,
+ NULL);
+ ASSERT(r == 0);
+
+ r = uv_read_start((uv_stream_t*)&ctx.channel, alloc_cb, recv_cb);
+ ASSERT(r == 0);
+}
+
+static int run_test(int inprocess) {
+ uv_process_t process;
+ uv_thread_t tid;
+ int r;
+
+ if (inprocess) {
+ r = uv_thread_create(&tid, ipc_send_recv_helper_threadproc, (void *) 42);
+ ASSERT(r == 0);
+
+ uv_sleep(1000);
+
+ r = uv_pipe_init(uv_default_loop(), &ctx.channel, 1);
+ ASSERT(r == 0);
+
+ uv_pipe_connect(&ctx.connect_req, &ctx.channel, TEST_PIPENAME_3, connect_cb);
+ } else {
+ spawn_helper(&ctx.channel, &process, "ipc_send_recv_helper");
+
+ connect_cb(&ctx.connect_req, 0);
+ }
+
+ r = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+ ASSERT(r == 0);
+
+ ASSERT(recv_cb_called == 2);
+
+ if (inprocess) {
+ r = uv_thread_join(&tid);
+ ASSERT(r == 0);
+ }
+
+ return 0;
+}
+
+static int run_ipc_send_recv_pipe(int inprocess) {
+ 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 = uv_pipe_init(uv_default_loop(), &ctx.send2.pipe, 1);
+ ASSERT(r == 0);
+
+ r = uv_pipe_bind(&ctx.send2.pipe, TEST_PIPENAME_2);
+ ASSERT(r == 0);
+
+ r = run_test(inprocess);
+ ASSERT(r == 0);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}
+
+TEST_IMPL(ipc_send_recv_pipe) {
+ return run_ipc_send_recv_pipe(0);
+}
+
+TEST_IMPL(ipc_send_recv_pipe_inprocess) {
+ return run_ipc_send_recv_pipe(1);
+}
+
+static int run_ipc_send_recv_tcp(int inprocess) {
+ 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_init(uv_default_loop(), &ctx.send2.tcp);
+ ASSERT(r == 0);
+
+ r = uv_tcp_bind(&ctx.send.tcp, (const struct sockaddr*) &addr, 0);
+ ASSERT(r == 0);
+
+ r = uv_tcp_bind(&ctx.send2.tcp, (const struct sockaddr*) &addr, 0);
+ ASSERT(r == 0);
+
+ r = run_test(inprocess);
+ ASSERT(r == 0);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}
+
+TEST_IMPL(ipc_send_recv_tcp) {
+ return run_ipc_send_recv_tcp(0);
+}
+
+TEST_IMPL(ipc_send_recv_tcp_inprocess) {
+ return run_ipc_send_recv_tcp(1);
+}
+
+
+/* Everything here runs in a child process or second thread. */
+
+static void write2_cb(uv_write_t* req, int status) {
+ ASSERT(status == 0);
+
+ /* After two successful writes in the child process, allow the child
+ * process to be closed. */
+ if (++write2_cb_called == 2 && (is_child_process || is_in_process)) {
+ uv_close(&ctx2.recv.handle, NULL);
+ uv_close(&ctx2.recv2.handle, NULL);
+ uv_close((uv_handle_t*)&ctx2.channel, NULL);
+ uv_close((uv_handle_t*)&ctx2.listen, 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;
+ union handles* recv;
+ uv_write_t* write_req;
+
+ if (nread == UV__EOF || nread == UV__ECONNABORTED) {
+ return;
+ }
+
+ if (++read_cb_called == 2) {
+ recv = &ctx2.recv;
+ write_req = &ctx2.write_req;
+ } else {
+ recv = &ctx2.recv2;
+ write_req = &ctx2.write_req2;
+ }
+
+ pipe = (uv_pipe_t*) handle;
+ ASSERT(pipe == &ctx2.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);
+
+ if (pending == UV_NAMED_PIPE)
+ r = uv_pipe_init(ctx2.channel.loop, &recv->pipe, 0);
+ else if (pending == UV_TCP)
+ r = uv_tcp_init(ctx2.channel.loop, &recv->tcp);
+ else
+ abort();
+ ASSERT(r == 0);
+
+ r = uv_accept(handle, &recv->stream);
+ ASSERT(r == 0);
+
+ wrbuf = uv_buf_init(".", 1);
+ r = uv_write2(write_req,
+ (uv_stream_t*)&ctx2.channel,
+ &wrbuf,
+ 1,
+ &recv->stream,
+ write2_cb);
+ ASSERT(r == 0);
+}
+
+static void send_recv_start() {
+ int r;
+ ASSERT(1 == uv_is_readable((uv_stream_t*)&ctx2.channel));
+ ASSERT(1 == uv_is_writable((uv_stream_t*)&ctx2.channel));
+ ASSERT(0 == uv_is_closing((uv_handle_t*)&ctx2.channel));
+
+ r = uv_read_start((uv_stream_t*)&ctx2.channel, alloc_cb, read_cb);
+ ASSERT(r == 0);
+}
+
+static void listen_cb(uv_stream_t* handle, int status) {
+ int r;
+ ASSERT(handle == (uv_stream_t*)&ctx2.listen);
+ ASSERT(status == 0);
+
+ r = uv_accept((uv_stream_t*)&ctx2.listen, (uv_stream_t*)&ctx2.channel);
+ ASSERT(r == 0);
+
+ send_recv_start();
+}
+
+int run_ipc_send_recv_helper(uv_loop_t* loop, int inprocess) {
+ int r;
+
+ is_in_process = inprocess;
+
+ memset(&ctx2, 0, sizeof(ctx2));
+
+ r = uv_pipe_init(loop, &ctx2.listen, 0);
+ ASSERT(r == 0);
+
+ r = uv_pipe_init(loop, &ctx2.channel, 1);
+ ASSERT(r == 0);
+
+ if (inprocess) {
+ r = uv_pipe_bind(&ctx2.listen, TEST_PIPENAME_3);
+ ASSERT(r == 0);
+
+ r = uv_listen((uv_stream_t*)&ctx2.listen, SOMAXCONN, listen_cb);
+ ASSERT(r == 0);
+ } else {
+ r = uv_pipe_open(&ctx2.channel, 0);
+ ASSERT(r == 0);
+
+ send_recv_start();
+ }
+
+ r = uv_run(loop, UV_RUN_DEFAULT);
+ ASSERT(r == 0);
+
+ return 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;
+
+ r = run_ipc_send_recv_helper(uv_default_loop(), 0);
+ ASSERT(r == 0);
+
+ MAKE_VALGRIND_HAPPY();
+ return 0;
+}
+
+void ipc_send_recv_helper_threadproc(void* arg) {
+ int r;
+ uv_loop_t loop;
+
+ r = uv_loop_init(&loop);
+ ASSERT(r == 0);
+
+ r = run_ipc_send_recv_helper(&loop, 1);
+ ASSERT(r == 0);
+
+ r = uv_loop_close(&loop);
+ ASSERT(r == 0);
+}