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#ifndef PPP_FSM_H
#define PPP_FSM_H
typedef enum {FSM_Initial=0,FSM_Starting,FSM_Closed,FSM_Stopped,FSM_Closing,FSM_Stopping,FSM_Req_Sent,FSM_Ack_Rcvd,FSM_Ack_Sent,FSM_Opened} FSM_STATE;
/*
* CP (LCP, IPCP, etc.) codes.
*/
#define CONFREQ 1 /* Configuration Request */
#define CONFACK 2 /* Configuration Ack */
#define CONFNAK 3 /* Configuration Nak */
#define CONFREJ 4 /* Configuration Reject */
#define TERMREQ 5 /* Termination Request */
#define TERMACK 6 /* Termination Ack */
#define CODEREJ 7 /* Code Reject */
#define PROTOREJ 8 /* Code Reject */
#define ECHOREQ 9 /* Echo Request */
#define ECHOREP 10 /* Echo Reply */
#define DISCARDREQ 11 /* Discard Request */
#define IDENT 12 /* Identification */
struct ppp_t;
struct ppp_fsm_t
{
struct ppp_t *ppp;
FSM_STATE fsm_state;
uint16_t proto;
struct triton_timer_t restart_timer;
int restart_counter;
int max_terminate;
int max_configure;
int max_failure;
int conf_failure;
int id;
int recv_id;
//fsm handling
void (*layer_up)(struct ppp_fsm_t*);
void (*layer_down)(struct ppp_fsm_t*);
void (*layer_started)(struct ppp_fsm_t*);
void (*layer_finished)(struct ppp_fsm_t*);
int (*send_conf_req)(struct ppp_fsm_t*);
void (*send_conf_ack)(struct ppp_fsm_t*);
void (*send_conf_nak)(struct ppp_fsm_t*);
void (*send_conf_rej)(struct ppp_fsm_t*);
void (*send_code_rej)(struct ppp_fsm_t*);
void (*send_term_req)(struct ppp_fsm_t*);
void (*send_term_ack)(struct ppp_fsm_t*);
};
void ppp_fsm_init(struct ppp_fsm_t*);
void ppp_fsm_free(struct ppp_fsm_t*);
int ppp_fsm_lower_up(struct ppp_fsm_t*);
void ppp_fsm_lower_down(struct ppp_fsm_t*);
int ppp_fsm_open(struct ppp_fsm_t*);
void ppp_fsm_close(struct ppp_fsm_t*);
void ppp_fsm_close2(struct ppp_fsm_t *layer);
void ppp_fsm_timeout0(struct ppp_fsm_t *layer);
void ppp_fsm_timeout1(struct ppp_fsm_t *layer);
void ppp_fsm_recv_conf_req_ack(struct ppp_fsm_t *layer);
void ppp_fsm_recv_conf_req_nak(struct ppp_fsm_t *layer);
void ppp_fsm_recv_conf_req_rej(struct ppp_fsm_t *layer);
void ppp_fsm_recv_conf_ack(struct ppp_fsm_t *layer);
void ppp_fsm_recv_conf_rej(struct ppp_fsm_t *layer);
void ppp_fsm_recv_term_req(struct ppp_fsm_t *layer);
void ppp_fsm_recv_term_ack(struct ppp_fsm_t *layer);
void ppp_fsm_recv_unk(struct ppp_fsm_t *layer);
void ppp_fsm_recv_code_rej_bad(struct ppp_fsm_t *layer);
#endif
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