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 "uv.h"
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#include "task.h"
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#include <errno.h>
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#include <string.h> /* memset */
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#ifdef _WIN32
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# define INVALID_FD (INVALID_HANDLE_VALUE)
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#else
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# define INVALID_FD (-1)
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#endif
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static uv_loop_t* loop;
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static uv_tcp_t tcp_server;
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static uv_tcp_t tcp_client;
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static uv_tcp_t tcp_accepted;
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static uv_connect_t connect_req;
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static uv_shutdown_t shutdown_req;
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static uv_write_t write_reqs[4];
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static int client_close;
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static int shutdown_before_close;
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static int write_cb_called;
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static int close_cb_called;
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static int shutdown_cb_called;
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static void connect_cb(uv_connect_t* req, int status);
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static void write_cb(uv_write_t* req, int status);
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static void close_cb(uv_handle_t* handle);
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static void shutdown_cb(uv_shutdown_t* req, int status);
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static int read_size;
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static void do_write(uv_tcp_t* handle) {
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  uv_buf_t buf;
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  unsigned i;
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  int r;
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  buf = uv_buf_init("PING", 4);
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  for (i = 0; i < ARRAY_SIZE(write_reqs); i++) {
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    r = uv_write(&write_reqs[i], (uv_stream_t*) handle, &buf, 1, write_cb);
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    ASSERT_OK(r);
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  }
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}
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static void do_close(uv_tcp_t* handle) {
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  uv_os_fd_t fd;
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  int r;
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  if (shutdown_before_close == 1) {
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    ASSERT_OK(uv_shutdown(&shutdown_req,
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                          (uv_stream_t*) handle,
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                          shutdown_cb));
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    ASSERT_EQ(UV_EINVAL, uv_tcp_close_reset(handle, close_cb));
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  } else if (shutdown_before_close == 2) {
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    r = uv_fileno((const uv_handle_t*) handle, &fd);
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    ASSERT_OK(r);
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#ifdef _WIN32
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    ASSERT_PTR_NE(fd, INVALID_FD);
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    ASSERT_OK(shutdown((SOCKET)fd, SD_BOTH));
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#else
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    ASSERT_NE(fd, INVALID_FD);
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    ASSERT_OK(shutdown(fd, SHUT_RDWR));
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#endif
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    ASSERT_OK(uv_tcp_close_reset(handle, close_cb));
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  } else {
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    ASSERT_OK(uv_tcp_close_reset(handle, close_cb));
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    ASSERT_EQ(UV_ENOTCONN, uv_shutdown(&shutdown_req, (uv_stream_t*) handle,
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              shutdown_cb));
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  }
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  uv_close((uv_handle_t*) &tcp_server, NULL);
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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 slab[1024];
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  buf->base = slab;
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  buf->len = sizeof(slab);
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}
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static void read_cb2(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
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  ASSERT_PTR_EQ((uv_tcp_t*)stream, &tcp_client);
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  if (nread == UV_EOF)
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    uv_close((uv_handle_t*) stream, NULL);
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}
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static void connect_cb(uv_connect_t* conn_req, int status) {
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  ASSERT_PTR_EQ(conn_req, &connect_req);
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  uv_read_start((uv_stream_t*) &tcp_client, alloc_cb, read_cb2);
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  do_write(&tcp_client);
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  if (client_close)
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    do_close(&tcp_client);
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}
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static void write_cb(uv_write_t* req, int status) {
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  /* write callbacks should run before the close callback */
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  ASSERT_OK(close_cb_called);
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  ASSERT_PTR_EQ(req->handle, (uv_stream_t*)&tcp_client);
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  write_cb_called++;
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}
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static void close_cb(uv_handle_t* handle) {
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  if (client_close)
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    ASSERT_PTR_EQ(handle, (uv_handle_t*) &tcp_client);
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  else
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    ASSERT_PTR_EQ(handle, (uv_handle_t*) &tcp_accepted);
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  close_cb_called++;
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}
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static void shutdown_cb(uv_shutdown_t* req, int status) {
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  if (client_close)
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    ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &tcp_client);
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  else
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    ASSERT_PTR_EQ(req->handle, (uv_stream_t*) &tcp_accepted);
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  shutdown_cb_called++;
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}
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static void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
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  ASSERT_PTR_EQ((uv_tcp_t*)stream, &tcp_accepted);
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  if (nread < 0) {
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    uv_close((uv_handle_t*) stream, NULL);
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  } else {
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    read_size += nread;
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    if (read_size == 16 && client_close == 0)
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      do_close(&tcp_accepted);
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  }
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}
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static void connection_cb(uv_stream_t* server, int status) {
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  ASSERT_OK(status);
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  ASSERT_OK(uv_tcp_init(loop, &tcp_accepted));
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  ASSERT_OK(uv_accept(server, (uv_stream_t*) &tcp_accepted));
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  uv_read_start((uv_stream_t*) &tcp_accepted, alloc_cb, read_cb);
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}
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static void start_server(uv_loop_t* loop, uv_tcp_t* handle) {
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  struct sockaddr_in addr;
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  int r;
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  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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  r = uv_tcp_init(loop, handle);
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  ASSERT_OK(r);
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  r = uv_tcp_bind(handle, (const struct sockaddr*) &addr, 0);
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  ASSERT_OK(r);
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  r = uv_listen((uv_stream_t*)handle, 128, connection_cb);
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  ASSERT_OK(r);
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}
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static void do_connect(uv_loop_t* loop, uv_tcp_t* tcp_client) {
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  struct sockaddr_in addr;
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  int r;
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  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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  r = uv_tcp_init(loop, tcp_client);
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  ASSERT_OK(r);
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  r = uv_tcp_connect(&connect_req,
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                     tcp_client,
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                     (const struct sockaddr*) &addr,
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                     connect_cb);
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  ASSERT_OK(r);
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}
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/* Check that pending write requests have their callbacks
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 * invoked when the handle is closed.
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 */
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TEST_IMPL(tcp_close_reset_client) {
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  int r;
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  loop = uv_default_loop();
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  start_server(loop, &tcp_server);
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  client_close = 1;
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  shutdown_before_close = 0;
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  do_connect(loop, &tcp_client);
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  ASSERT_OK(write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  r = uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_OK(r);
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  ASSERT_EQ(4, write_cb_called);
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  ASSERT_EQ(1, close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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TEST_IMPL(tcp_close_reset_client_after_shutdown) {
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  int r;
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  loop = uv_default_loop();
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  start_server(loop, &tcp_server);
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  client_close = 1;
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  shutdown_before_close = 1;
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  do_connect(loop, &tcp_client);
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  ASSERT_OK(write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  r = uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_OK(r);
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  ASSERT_EQ(4, write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_EQ(1, shutdown_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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TEST_IMPL(tcp_close_reset_accepted) {
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  int r;
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  loop = uv_default_loop();
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  start_server(loop, &tcp_server);
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  client_close = 0;
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  shutdown_before_close = 0;
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  do_connect(loop, &tcp_client);
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  ASSERT_OK(write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  r = uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_OK(r);
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  ASSERT_EQ(4, write_cb_called);
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  ASSERT_EQ(1, close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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TEST_IMPL(tcp_close_reset_accepted_after_shutdown) {
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  int r;
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  loop = uv_default_loop();
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  start_server(loop, &tcp_server);
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  client_close = 0;
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  shutdown_before_close = 1;
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  do_connect(loop, &tcp_client);
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  ASSERT_OK(write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  r = uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_OK(r);
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  ASSERT_EQ(4, write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_EQ(1, shutdown_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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TEST_IMPL(tcp_close_reset_accepted_after_socket_shutdown) {
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  int r;
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  loop = uv_default_loop();
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  start_server(loop, &tcp_server);
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  client_close = 0;
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  shutdown_before_close = 2;
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  do_connect(loop, &tcp_client);
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  ASSERT_OK(write_cb_called);
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  ASSERT_OK(close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  r = uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_OK(r);
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  ASSERT_EQ(4, write_cb_called);
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  ASSERT_EQ(1, close_cb_called);
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  ASSERT_OK(shutdown_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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