grpc1.45.2/third_party/libuv/test/test-socket-buffer-size.c

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be included in
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#include "uv.h"
#include "task.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static uv_udp_t udp;
static uv_tcp_t tcp;
static int close_cb_called;


static void close_cb(uv_handle_t* handle) {
  close_cb_called++;
}


static void check_buffer_size(uv_handle_t* handle) {
  int value;

  value = 0;
  ASSERT(0 == uv_recv_buffer_size(handle, &value));
  ASSERT(value > 0);

  value = 10000;
  ASSERT(0 == uv_recv_buffer_size(handle, &value));

  value = 0;
  ASSERT(0 == uv_recv_buffer_size(handle, &value));
  /* linux sets double the value */
  ASSERT(value == 10000 || value == 20000);
}


TEST_IMPL(socket_buffer_size) {
  struct sockaddr_in addr;

  ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));

  ASSERT(0 == uv_tcp_init(uv_default_loop(), &tcp));
  ASSERT(0 == uv_tcp_bind(&tcp, (struct sockaddr*) &addr, 0));
  check_buffer_size((uv_handle_t*) &tcp);
  uv_close((uv_handle_t*) &tcp, close_cb);

  ASSERT(0 == uv_udp_init(uv_default_loop(), &udp));
  ASSERT(0 == uv_udp_bind(&udp, (struct sockaddr*) &addr, 0));
  check_buffer_size((uv_handle_t*) &udp);
  uv_close((uv_handle_t*) &udp, close_cb);

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));

  ASSERT(close_cb_called == 2);

  MAKE_VALGRIND_HAPPY();
  return 0;
}