src/vnet/bfd/bfd_debug.h

   1 /*
   2  * Copyright (c) 2011-2016 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15 /**
  16  * @file
  17  * @brief BFD global declarations
  18  */
  19 #ifndef __included_bfd_debug_h__
  20 #define __included_bfd_debug_h__
  21
  22 /* controls debug prints */
  23 #define BFD_DEBUG (0)
  24
  25 #if BFD_DEBUG
  26 #define BFD_DEBUG_FILE_DEF            \
  27   static const char *__file = NULL;   \
  28   {                                   \
  29     __file = strrchr (__FILE__, '/'); \
  30     if (__file)                       \
  31       {                               \
  32         ++__file;                     \
  33       }                               \
  34     else                              \
  35       {                               \
  36         __file = __FILE__;            \
  37       }                               \
  38   }
  39
  40 #define BFD_DBG(fmt, ...)                                                \
  41   do                                                                     \
  42     {                                                                    \
  43       BFD_DEBUG_FILE_DEF                                                 \
  44       static u8 *_s = NULL;                                              \
  45       vlib_main_t *vm = vlib_get_main ();                                \
  46       _s = format (_s, "%6.02f:DBG:%s:%d:%s():" fmt, vlib_time_now (vm), \
  47                    __file, __LINE__, __func__, ##__VA_ARGS__);           \
  48       printf ("%.*s\n", vec_len (_s), _s);                               \
  49       vec_reset_length (_s);                                             \
  50     }                                                                    \
  51   while (0);
  52
  53 #define BFD_ERR(fmt, ...)                                                \
  54   do                                                                     \
  55     {                                                                    \
  56       BFD_DEBUG_FILE_DEF                                                 \
  57       static u8 *_s = NULL;                                              \
  58       vlib_main_t *vm = vlib_get_main ();                                \
  59       _s = format (_s, "%6.02f:ERR:%s:%d:%s():" fmt, vlib_time_now (vm), \
  60                    __file, __LINE__, __func__, ##__VA_ARGS__);           \
  61       printf ("%.*s\n", vec_len (_s), _s);                               \
  62       vec_reset_length (_s);                                             \
  63     }                                                                    \
  64   while (0);
  65
  66 #define BFD_CLK_FMT "%luus/%lu clocks/%.2fs"
  67 #define BFD_CLK_PRN(clocks)                                                \
  68   (u64) ((((f64)clocks) / vlib_get_main ()->clib_time.clocks_per_second) * \
  69          USEC_PER_SECOND),                                                 \
  70       (clocks),                                                            \
  71       (((f64)clocks) / vlib_get_main ()->clib_time.clocks_per_second)
  72
  73 #else
  74 #define BFD_DBG(...)
  75 #define BFD_ERR(...)
  76 #endif
  77
  78 #endif /* __included_bfd_debug_h__ */
  79
  80 /*
  81  * fd.io coding-style-patch-verification: ON
  82  *
  83  * Local Variables:
  84  * eval: (c-set-style "gnu")
  85  * End:
  86  */