mirror of
https://gitlab.nic.cz/labs/bird.git
synced 2024-12-22 09:41:54 +00:00
ad16e35177
Most error handling code was was for cases that cannot happen, or they would be code bugs (and should use ASSERT()). Keep error handling for just for I/O errors, like in rest of BIRD.
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
|
|
* BIRD -- The BGP Monitoring Protocol (BMP)
|
|
*
|
|
* (c) 2020 Akamai Technologies, Inc. (Pawel Maslanka, pmaslank@akamai.com)
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_BMP_BUFFER_H_
|
|
#define _BIRD_BMP_BUFFER_H_
|
|
|
|
#include "proto/bmp/bmp.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "lib/resource.h"
|
|
|
|
buffer
|
|
bmp_buffer_alloc(pool *ppool, const size_t n);
|
|
|
|
void
|
|
bmp_buffer_free(buffer *buf);
|
|
|
|
static inline void
|
|
bmp_buffer_flush(buffer *buf)
|
|
{
|
|
buf->pos = buf->start;
|
|
}
|
|
|
|
static inline size_t
|
|
bmp_buffer_size(const buffer *buf)
|
|
{
|
|
return buf->end - buf->start;
|
|
}
|
|
|
|
static inline size_t
|
|
bmp_buffer_avail(const buffer *buf)
|
|
{
|
|
return buf->end - buf->pos;
|
|
}
|
|
|
|
static inline size_t
|
|
bmp_buffer_pos(const buffer *buf)
|
|
{
|
|
return buf->pos - buf->start;
|
|
}
|
|
|
|
static inline byte *
|
|
bmp_buffer_data(const buffer *buf)
|
|
{
|
|
return buf->start;
|
|
}
|
|
|
|
void
|
|
bmp_buffer_need(buffer *buf, const size_t n);
|
|
|
|
// Idea for following macros has been taken from |proto/mrt/mrt.c|
|
|
#define BMP_DEFINE_PUT_FUNC(S, T) \
|
|
static inline void \
|
|
bmp_put_##S(buffer *b, const T x) \
|
|
{ \
|
|
bmp_buffer_need(b, sizeof(T)); \
|
|
put_##S(b->pos, x); \
|
|
b->pos += sizeof(T); \
|
|
}
|
|
|
|
BMP_DEFINE_PUT_FUNC(u8, u8)
|
|
BMP_DEFINE_PUT_FUNC(u16, u16)
|
|
BMP_DEFINE_PUT_FUNC(u32, u32)
|
|
BMP_DEFINE_PUT_FUNC(u64, u64)
|
|
BMP_DEFINE_PUT_FUNC(ip4, ip4_addr)
|
|
BMP_DEFINE_PUT_FUNC(ip6, ip6_addr)
|
|
|
|
void
|
|
bmp_put_data(buffer *buf, const void *src, const size_t n);
|
|
|
|
#endif /* _BIRD_BMP_BUFFER_H_ */
|