libuv-svace-build

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/* Copyright Joyent, Inc. and other Node 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 <string.h>
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#include <errno.h>
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/* NOTE: Number should be big enough to trigger this problem */
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#if defined(__CYGWIN__) || defined(__MSYS__) || defined(__PASE__)
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/* Cygwin crashes or hangs in socket() with too many AF_INET sockets.  */
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/* IBMi PASE timeout with too many AF_INET sockets.  */
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static uv_udp_t sockets[1250];
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#else
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static uv_udp_t sockets[2500];
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#endif
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static uv_udp_send_t reqs[ARRAY_SIZE(sockets)];
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static char slab[1];
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static unsigned int recv_cb_called;
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static unsigned int send_cb_called;
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static unsigned int close_cb_called;
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static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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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 recv_cb(uv_udp_t* handle,
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                    ssize_t nread,
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                    const uv_buf_t* buf,
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                    const struct sockaddr* addr,
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                    unsigned flags) {
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  recv_cb_called++;
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}
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static void send_cb(uv_udp_send_t* req, int status) {
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  send_cb_called++;
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}
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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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TEST_IMPL(watcher_cross_stop) {
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#if defined(__MVS__)
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  RETURN_SKIP("zOS does not allow address or port reuse when using UDP sockets");
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#endif
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  uv_loop_t* loop = uv_default_loop();
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  unsigned int i;
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  struct sockaddr_in addr;
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  uv_buf_t buf;
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  char big_string[1024];
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  TEST_FILE_LIMIT(ARRAY_SIZE(sockets) + 32);
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  ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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  memset(big_string, 'A', sizeof(big_string));
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  buf = uv_buf_init(big_string, sizeof(big_string));
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  for (i = 0; i < ARRAY_SIZE(sockets); i++) {
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    ASSERT_OK(uv_udp_init(loop, &sockets[i]));
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    ASSERT_OK(uv_udp_bind(&sockets[i],
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                          (const struct sockaddr*) &addr,
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                          UV_UDP_REUSEADDR));
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    ASSERT_OK(uv_udp_recv_start(&sockets[i], alloc_cb, recv_cb));
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    ASSERT_OK(uv_udp_send(&reqs[i],
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                          &sockets[i],
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                          &buf,
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                          1,
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                          (const struct sockaddr*) &addr,
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                          send_cb));
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  }
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  while (recv_cb_called == 0)
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    uv_run(loop, UV_RUN_ONCE);
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  for (i = 0; i < ARRAY_SIZE(sockets); i++)
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    uv_close((uv_handle_t*) &sockets[i], close_cb);
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  ASSERT_GT(recv_cb_called, 0);
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  uv_run(loop, UV_RUN_DEFAULT);
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  ASSERT_EQ(ARRAY_SIZE(sockets), send_cb_called);
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  ASSERT_EQ(ARRAY_SIZE(sockets), close_cb_called);
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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