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authorNeale Ranns <nranns@cisco.com>2020-02-20 13:13:45 +0000
committerDamjan Marion <dmarion@me.com>2020-02-21 09:53:00 +0000
commit39a233a0aa21c644c78ddd4ffa0ab3cdb1c10318 (patch)
tree0f6802f10d4ebb8115b03d6a6a1b28deb195c16a /src/vnet/l2/l2_flood.c
parentd1586962a5f8f14fb81c930174d12d0453adaab8 (diff)
ip: Unintialized variables in prefx setup (coverity warning)
Type: fix Change-Id: I048c9ed423ca2993d2179cdce364ac98980311bb Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/l2/l2_flood.c')
0 files changed, 0 insertions, 0 deletions
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/*
 * Copyright (c) 2017-2018 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __sock_test_h__
#define __sock_test_h__

#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <vcl/vcl_test.h>

#define SOCK_TEST_AF_UNIX_FILENAME    "/tmp/ldp_server_af_unix_socket"
#define SOCK_TEST_MIXED_EPOLL_DATA    "Hello, world! (over an AF_UNIX socket)"
#define SOCK_TEST_AF_UNIX_ACCEPT_DATA 0xaf0000af
#define SOCK_TEST_AF_UNIX_FD_MASK     0x00af0000
#define SOCK_TEST_BANNER_STRING \
  "============================================\n"

static inline int
sock_test_read (int fd, uint8_t *buf, uint32_t nbytes,
                vcl_test_stats_t *stats)
{
  int rx_bytes, errno_val;
  
  do
    {
      if (stats)
        stats->rx_xacts++;
      rx_bytes = read (fd, buf, nbytes);
      if (stats)
        {
          if ((rx_bytes == 0) ||
              ((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))))
            stats->rx_eagain++;
          else if (rx_bytes < nbytes)
            stats->rx_incomp++;
        }
    }
  while ((rx_bytes == 0) ||
         ((rx_bytes < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK))));
  
  if (rx_bytes < 0)
    {
      errno_val = errno;
      perror ("ERROR in sock_test_read()");
      fprintf (stderr, "SOCK_TEST: ERROR: socket read "
               "failed (errno = %d)!\n", errno_val);
      errno = errno_val;
    }
  else if (stats)
    stats->rx_bytes += rx_bytes;

  return (rx_bytes);
}

static inline int
sock_test_write (int fd, uint8_t *buf, uint32_t nbytes,
                 vcl_test_stats_t *stats, uint32_t verbose)
{
  int tx_bytes = 0;
  int nbytes_left = nbytes;
  int rv, errno_val;

  do
    {
      if (stats)
        stats->tx_xacts++;
      rv = write (fd, buf, nbytes_left);
      if (rv < 0)
        {
          if ((errno == EAGAIN) || (errno == EWOULDBLOCK))
            {
              if (stats)
                stats->tx_eagain++;
              continue;
            }
          else
            break;
        }
      tx_bytes += rv;
     
      if (tx_bytes != nbytes)
        {
          nbytes_left = nbytes_left - rv;
          if (stats)
            stats->tx_incomp++;
          if (verbose)
            {
              printf ("SOCK_TEST: WARNING: bytes written (%d) "
                      "!= bytes to write (%d)!\n", tx_bytes, nbytes);
            }
        }
     
    } while (tx_bytes != nbytes);

  if (tx_bytes < 0)
    {
      errno_val = errno;
      perror ("ERROR in sock_test_write()");
      fprintf (stderr, "SOCK_TEST: ERROR: socket write failed "
               "(errno = %d)!\n", errno_val);
    }
  else if (stats)
    stats->tx_bytes += tx_bytes;
  
  return (tx_bytes);
}

#endif /* __sock_test_h__ */