#define ECP_MAX_TIMER       8

#define ECP_ERR_MAX_TIMER   -110

#include <stddef.h>

#ifdef ECP_WITH_PTHREAD
#include <pthread.h>
#endif

struct ECPConnection;
struct ECPSocket;
struct ECPTimerItem;

typedef int ecp_timer_retry_t (struct ECPConnection *, struct ECPTimerItem *);

typedef struct ECPTimerItem {
    struct ECPConnection *conn;
    unsigned char ptype;
    unsigned short cnt;
    unsigned int abstime;
    unsigned int timeout;
    ecp_timer_retry_t *retry;
    unsigned char *pld;
    size_t pld_size;
} ECPTimerItem;

typedef struct ECPTimer {
    ECPTimerItem item[ECP_MAX_TIMER];
    short head;
#ifdef ECP_WITH_PTHREAD
    pthread_mutex_t mutex;
#endif
} ECPTimer;

int ecp_timer_create(ECPTimer *timer);
void ecp_timer_destroy(ECPTimer *timer);
int ecp_timer_item_init(ECPTimerItem *ti, struct ECPConnection *conn, unsigned char ptype, unsigned short cnt, unsigned int timeout);
int ecp_timer_push(struct ECPConnection *conn, ECPTimerItem *ti);
void ecp_timer_pop(struct ECPConnection *conn, unsigned char ptype);
void ecp_timer_remove(struct ECPConnection *conn);
unsigned int ecp_timer_exe(struct ECPSocket *sock);
int ecp_timer_send(struct ECPConnection *conn, ecp_timer_retry_t *send_f, unsigned char ptype, unsigned short cnt, unsigned int timeout);