Merge commit 'a302c65dc65896776d6cb9e2c89a6ccc77ada530' as 'third-party/libuv'

third-party/libuv/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;
+}