libuv-svace-build

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/* Copyright libuv project contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "task.h"
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#include "uv.h"
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static uv_tcp_t server;
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static uv_tcp_t client;
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static uv_tcp_t incoming;
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static int connect_cb_called;
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static int close_cb_called;
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static int connection_cb_called;
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static int write_cb_called;
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static uv_write_t small_write;
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static uv_write_t big_write;
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/* 10 MB, which is large than the send buffer size and the recv buffer */
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static char data[1024 * 1024 * 10];
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static void close_cb(uv_handle_t* handle) {
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  close_cb_called++;
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}
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static void write_cb(uv_write_t* w, int status) {
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  /* the small write should finish immediately after the big write */
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  ASSERT_OK(uv_stream_get_write_queue_size((uv_stream_t*) &client));
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  write_cb_called++;
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  if (write_cb_called == 2) {
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    /* we are done */
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    uv_close((uv_handle_t*) &client, close_cb);
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    uv_close((uv_handle_t*) &incoming, close_cb);
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    uv_close((uv_handle_t*) &server, close_cb);
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  }
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}
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static void connect_cb(uv_connect_t* _, int status) {
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  int r;
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  uv_buf_t buf;
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  size_t write_queue_size0, write_queue_size1;
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  ASSERT_OK(status);
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  connect_cb_called++;
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  /* fire a big write */
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  buf = uv_buf_init(data, sizeof(data));
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  r = uv_write(&small_write, (uv_stream_t*) &client, &buf, 1, write_cb);
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  ASSERT_OK(r);
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  /* check that the write process gets stuck */
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  write_queue_size0 = uv_stream_get_write_queue_size((uv_stream_t*) &client);
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  ASSERT_GT(write_queue_size0, 0);
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  /* fire a small write, which should be queued */
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  buf = uv_buf_init("A", 1);
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  r = uv_write(&big_write, (uv_stream_t*) &client, &buf, 1, write_cb);
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  ASSERT_OK(r);
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  write_queue_size1 = uv_stream_get_write_queue_size((uv_stream_t*) &client);
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  ASSERT_EQ(write_queue_size1, write_queue_size0 + 1);
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}
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static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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  static char base[1024];
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  buf->base = base;
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  buf->len = sizeof(base);
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}
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static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {}
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static void connection_cb(uv_stream_t* tcp, int status) {
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  ASSERT_OK(status);
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  connection_cb_called++;
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  ASSERT_OK(uv_tcp_init(tcp->loop, &incoming));
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  ASSERT_OK(uv_accept(tcp, (uv_stream_t*) &incoming));
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  ASSERT_OK(uv_read_start((uv_stream_t*) &incoming, alloc_cb, read_cb));
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}
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static void start_server(void) {
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  struct sockaddr_in addr;
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  ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
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  ASSERT_OK(uv_tcp_init(uv_default_loop(), &server));
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  ASSERT_OK(uv_tcp_bind(&server, (struct sockaddr*) &addr, 0));
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  ASSERT_OK(uv_listen((uv_stream_t*) &server, 128, connection_cb));
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}
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TEST_IMPL(tcp_write_in_a_row) {
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#if defined(_WIN32)
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  RETURN_SKIP("tcp_write_in_a_row does not work on Windows");
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#elif defined(__PASE__)
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  RETURN_SKIP("tcp_write_in_a_row does not work on IBM i PASE");
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#else
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  uv_connect_t connect_req;
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  struct sockaddr_in addr;
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  start_server();
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  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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  ASSERT_OK(uv_tcp_init(uv_default_loop(), &client));
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  ASSERT_OK(uv_tcp_connect(&connect_req,
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                           &client,
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                           (struct sockaddr*) &addr,
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                           connect_cb));
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  ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
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  ASSERT_EQ(1, connect_cb_called);
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  ASSERT_EQ(3, close_cb_called);
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  ASSERT_EQ(1, connection_cb_called);
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  ASSERT_EQ(2, write_cb_called);
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  MAKE_VALGRIND_HAPPY(uv_default_loop());
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  return 0;
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#endif
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}
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