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#ifndef _HARD_KEEPALIVE_H
#define _HARD_KEEPALIVE_H
typedef struct bfd_port_s
{
uint32_t recv_port;
uint32_t send_port;
}bfd_port_t;
#define MY_ID_OFFSET 4
#define YOUR_ID_OFFSET 8
#define ID_SIZE 4
#define setbit(x,y) x|=(1<<y)
#define clrbit(x,y) x&=~(1<<y)
#define getbit(x,y) ((x) >> (y)&1)
typedef struct bfd_header_s
{
unsigned char version_diag;
unsigned char flags; /*flagǰ2bit��state*/
unsigned char detect_time_multiplier;
unsigned char length;
unsigned char my_discriminator[4]; /* ҵ?º? ²²â*/
unsigned char your_discriminator[4];
unsigned char desired_min_tx_interval[4];
unsigned char required_min_rx_interval[4];
unsigned char required_min_echo_interval[4];
}bfd_header_t;
#ifdef __cplusplus
extern "C" {
#endif
/*return 0:succ -1:fail*/
int hard_keepalive_run(void* bfd_port);
#ifdef __cplusplus
}
#endif
#endif
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