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#include <stdlib.h>
#include <string.h>
#include "core.h"
#include "tm.h"
int ecp_timer_create(ECPTimer *timer) {
int rv;
timer->head = -1;
#ifdef ECP_WITH_PTHREAD
rv = pthread_mutex_init(&timer->mutex, NULL);
if (rv) return ECP_ERR;
#endif
return ECP_OK;
}
void ecp_timer_destroy(ECPTimer *timer) {
#ifdef ECP_WITH_PTHREAD
pthread_mutex_destroy(&timer->mutex);
#endif
}
void ecp_timer_item_init(ECPTimerItem *ti, ECPConnection *conn, unsigned char mtype, ecp_timer_retry_t retry_f, unsigned short cnt, ecp_sts_t timeout) {
ti->conn = conn;
ti->mtype = mtype;
ti->retry = retry_f;
ti->cnt = cnt;
ti->timeout = timeout;
ti->abstime = 0;
}
int ecp_timer_push(ECPTimerItem *ti) {
int i, is_reg, rv = ECP_OK;
ECPConnection *conn = ti->conn;
ECPTimer *timer = &conn->sock->timer;
ti->abstime = ecp_tm_get_tick() + ti->timeout;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
pthread_mutex_lock(&conn->mutex);
#endif
is_reg = ecp_conn_is_reg(conn);
if (is_reg) conn->refcount++;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&conn->mutex);
#endif
if (timer->head == ECP_MAX_TIMER-1) rv = ECP_ERR_MAX_TIMER;
if (!rv && !is_reg) rv = ECP_ERR_CLOSED;
if (!rv) {
for (i=timer->head; i>=0; i--) {
if (ECP_STS_LTE(ti->abstime, timer->item[i].abstime)) {
if (i != timer->head) memmove(timer->item+i+2, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
timer->item[i+1] = *ti;
timer->head++;
break;
}
}
if (i == -1) {
if (timer->head != -1) memmove(timer->item+1, timer->item, sizeof(ECPTimerItem) * (timer->head+1));
timer->item[0] = *ti;
timer->head++;
}
ecp_tm_timer_set(ti->timeout);
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
return rv;
}
void ecp_timer_pop(ECPConnection *conn, unsigned char mtype) {
int i;
ECPTimer *timer = &conn->sock->timer;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ECPConnection *curr_conn = timer->item[i].conn;
if ((conn == curr_conn) && (mtype == timer->item[i].mtype)) {
if (i != timer->head) {
memmove(timer->item+i, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
memset(timer->item+timer->head, 0, sizeof(ECPTimerItem));
} else {
memset(timer->item+i, 0, sizeof(ECPTimerItem));
}
ecp_conn_refcount_dec(conn);
timer->head--;
break;
}
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
}
void ecp_timer_remove(ECPConnection *conn) {
int i;
ECPTimer *timer = &conn->sock->timer;
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ECPConnection *curr_conn = timer->item[i].conn;
if (conn == curr_conn) {
if (i != timer->head) {
memmove(timer->item+i, timer->item+i+1, sizeof(ECPTimerItem) * (timer->head-i));
memset(timer->item+timer->head, 0, sizeof(ECPTimerItem));
} else {
memset(timer->item+i, 0, sizeof(ECPTimerItem));
}
ecp_conn_refcount_dec(conn);
timer->head--;
}
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
}
ecp_sts_t ecp_timer_exe(ECPSocket *sock) {
int i;
ecp_sts_t ret = 0;
ECPTimer *timer = &sock->timer;
ECPTimerItem to_exec[ECP_MAX_TIMER];
int to_exec_size = 0;
ecp_sts_t now = ecp_tm_get_tick();
#ifdef ECP_WITH_PTHREAD
pthread_mutex_lock(&timer->mutex);
#endif
for (i=timer->head; i>=0; i--) {
ecp_sts_t abstime = timer->item[i].abstime;
if (ECP_STS_LT(now, abstime)) {
ret = abstime - now;
break;
}
to_exec[to_exec_size] = timer->item[i];
to_exec_size++;
}
if (i != timer->head) {
memset(timer->item+i+1, 0, sizeof(ECPTimerItem) * (timer->head-i));
timer->head = i;
}
#ifdef ECP_WITH_PTHREAD
pthread_mutex_unlock(&timer->mutex);
#endif
for (i=to_exec_size-1; i>=0; i--) {
ECPConnection *conn = to_exec[i].conn;
unsigned char mtype = to_exec[i].mtype;
ecp_timer_retry_t retry = to_exec[i].retry;
int rv = ECP_OK;
if (to_exec[i].cnt > 0) {
to_exec[i].cnt--;
if (retry) {
ssize_t _rv;
_rv = retry(conn, to_exec+i);
if (_rv < 0) rv = _rv;
}
if (rv && (rv != ECP_ERR_CLOSED)) ecp_err_handle(conn, mtype, rv);
} else {
ecp_err_handle(conn, mtype, ECP_ERR_TIMEOUT);
}
ecp_conn_refcount_dec(conn);
}
return ret;
}
ssize_t ecp_timer_send(ECPConnection *conn, ecp_timer_retry_t send_f, unsigned char mtype, unsigned short cnt, ecp_sts_t timeout) {
ECPTimerItem ti;
if (cnt == 0) return ECP_ERR;
ecp_timer_item_init(&ti, conn, mtype, send_f, cnt-1, timeout);
return send_f(conn, &ti);
}
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