src/omcproxy.h

   1 /*
   2  * Author: Steven Barth <steven at midlink.org>
   3  *
   4  * Copyright 2015 Deutsche Telekom AG
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *  http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #ifndef OMGPROXY_H_
  21 #define OMGPROXY_H_
  22
  23 #define OMGPROXY_DEFAULT_L_LEVEL 7
  24
  25 #ifndef L_LEVEL
  26 #define L_LEVEL OMGPROXY_DEFAULT_L_LEVEL
  27 #endif /* !L_LEVEL */
  28
  29 #ifndef L_PREFIX
  30 #define L_PREFIX ""
  31 #endif /* !L_PREFIX */
  32
  33 #ifdef __APPLE__
  34
  35 #define __APPLE_USE_RFC_3542
  36 #define IPV6_ADD_MEMBERSHIP IPV6_JOIN_GROUP
  37 #define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP
  38
  39 #include <sys/queue.h>
  40 #ifdef LIST_HEAD
  41 #undef LIST_HEAD
  42 #endif /* LIST_HEAD */
  43
  44 #endif /* __APPLE__ */
  45
  46 #include <stddef.h>
  47 #include <stdint.h>
  48 #include <time.h>
  49 #include <syslog.h>
  50 #include <sys/types.h>
  51 #include <libubox/utils.h>
  52
  53 #define STR_EXPAND(tok) #tok
  54 #define STR(tok) STR_EXPAND(tok)
  55
  56 typedef int64_t omgp_time_t;
  57 #define OMGP_TIME_MAX INT64_MAX
  58 #define OMGP_TIME_PER_SECOND INT64_C(1000)
  59
  60 static inline omgp_time_t omgp_time(void) {
  61         struct timespec ts;
  62         clock_gettime(CLOCK_MONOTONIC, &ts);
  63         return ((omgp_time_t)ts.tv_sec * OMGP_TIME_PER_SECOND) +
  64                         ((omgp_time_t)ts.tv_nsec / (1000000000 / OMGP_TIME_PER_SECOND));
  65 }
  66
  67 extern int log_level;
  68
  69 // Logging macros
  70
  71 #define L_INTERNAL(level, ...)                  \
  72 do {                                            \
  73   if (log_level >= level)                       \
  74     syslog(level, L_PREFIX __VA_ARGS__);        \
  75  } while(0)
  76
  77 #if L_LEVEL >= LOG_ERR
  78 #define L_ERR(...) L_INTERNAL(LOG_ERR, __VA_ARGS__)
  79 #else
  80 #define L_ERR(...) do {} while(0)
  81 #endif
  82
  83 #if L_LEVEL >= LOG_WARNING
  84 #define L_WARN(...) L_INTERNAL(LOG_WARNING, __VA_ARGS__)
  85 #else
  86 #define L_WARN(...) do {} while(0)
  87 #endif
  88
  89 #if L_LEVEL >= LOG_NOTICE
  90 #define L_NOTICE(...) L_INTERNAL(LOG_NOTICE, __VA_ARGS__)
  91 #else
  92 #define L_NOTICE(...) do {} while(0)
  93 #endif
  94
  95 #if L_LEVEL >= LOG_INFO
  96 #define L_INFO(...) L_INTERNAL(LOG_INFO, __VA_ARGS__)
  97 #else
  98 #define L_INFO(...) do {} while(0)
  99 #endif
 100
 101 #if L_LEVEL >= LOG_DEBUG
 102 #define L_DEBUG(...) L_INTERNAL(LOG_DEBUG, __VA_ARGS__)
 103 #else
 104 #define L_DEBUG(...) do {} while(0)
 105 #endif
 106
 107
 108 // Some C99 compatibility
 109 #ifndef typeof
 110 #define typeof __typeof
 111 #endif
 112
 113 #ifndef container_of
 114 #define container_of(ptr, type, member) (           \
 115     (type *)( (char *)ptr - offsetof(type,member) ))
 116 #endif
 117
 118 #ifndef __unused
 119 #define __unused __attribute__((unused))
 120 #endif
 121
 122 #endif /* PIMBD_H_ */