diff options
Diffstat (limited to 'lib/birdlib.h')
| -rw-r--r-- | lib/birdlib.h | 65 |
1 files changed, 23 insertions, 42 deletions
diff --git a/lib/birdlib.h b/lib/birdlib.h index d21cdf1f..f41cceb5 100644 --- a/lib/birdlib.h +++ b/lib/birdlib.h @@ -9,8 +9,7 @@ #ifndef _BIRD_BIRDLIB_H_ #define _BIRD_BIRDLIB_H_ -#include "timer.h" -#include "alloca.h" +#include "lib/alloca.h" /* Ugly structure offset handling macros */ @@ -37,6 +36,15 @@ struct align_probe { char x; long int y; }; #define ABS(a) ((a)>=0 ? (a) : -(a)) #define DELTA(a,b) (((a)>=(b))?(a)-(b):(b)-(a)) #define ARRAY_SIZE(a) (sizeof(a)/sizeof(*(a))) +#define BYTES(n) ((((uint) (n)) + 7) / 8) +#define CALL(fn, args...) ({ if (fn) fn(args); }) +#define ADVANCE(w, r, l) ({ r -= l; w += l; }) + +static inline int uint_cmp(uint i1, uint i2) +{ return (int)(i1 > i2) - (int)(i1 < i2); } + +static inline int u64_cmp(u64 i1, u64 i2) +{ return (int)(i1 > i2) - (int)(i1 < i2); } /* Bitfield macros */ @@ -52,34 +60,20 @@ struct align_probe { char x; long int y; }; #define NULL ((void *) 0) #endif -#ifndef IPV6 -#define IP_VERSION 4 -#else -#define IP_VERSION 6 -#endif - - /* Macros for gcc attributes */ #define NORET __attribute__((noreturn)) #define UNUSED __attribute__((unused)) #define PACKED __attribute__((packed)) -#ifdef IPV6 -#define UNUSED4 -#define UNUSED6 UNUSED -#else -#define UNUSED4 UNUSED -#define UNUSED6 -#endif - /* Microsecond time */ typedef s64 btime; +//typedef s64 bird_clock_t; -#define S_ *1000000 -#define MS_ *1000 -#define US_ *1 +#define S_ * (btime) 1000000 +#define MS_ * (btime) 1000 +#define US_ * (btime) 1 #define TO_S /1000000 #define TO_MS /1000 #define TO_US /1 @@ -88,39 +82,26 @@ typedef s64 btime; #define S S_ #define MS MS_ #define US US_ +#define NS /1000 #endif +#define TIME_INFINITY ((s64) 0x7fffffffffffffff) + /* Rate limiting */ struct tbf { - bird_clock_t timestamp; /* Last update */ - u16 count; /* Available tokens */ + btime timestamp; /* Last update */ + u64 count; /* Available micro-tokens */ u16 burst; /* Max number of tokens */ - u16 rate; /* Rate of replenishment */ - u16 mark; /* Whether last op was limited */ + u16 rate; /* Rate of replenishment (tokens / sec) */ + u32 drop; /* Number of failed request since last successful */ }; /* Default TBF values for rate limiting log messages */ #define TBF_DEFAULT_LOG_LIMITS { .rate = 1, .burst = 5 } -void tbf_update(struct tbf *f); - -static inline int -tbf_limit(struct tbf *f) -{ - tbf_update(f); - - if (!f->count) - { - f->mark = 1; - return 1; - } - - f->count--; - f->mark = 0; - return 0; -} +int tbf_limit(struct tbf *f); /* Logging and dying */ @@ -160,7 +141,7 @@ void bug(const char *msg, ...) NORET; #define L_FATAL "\010" /* Fatal errors */ #define L_BUG "\011" /* BIRD bugs */ -void debug(const char *msg, ...); /* Printf to debug output */ +void debug(const char *msg, ...); /* Printf to debug output */ /* Debugging */ |