132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
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#include "capwap.h"
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/* */
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struct timeout_control* capwap_timeout_init(void) {
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struct timeout_control* timeout;
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timeout = (struct timeout_control*)capwap_alloc(sizeof(struct timeout_control));
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memset(timeout, 0, sizeof(struct timeout_control));
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return timeout;
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}
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/* */
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void capwap_timeout_free(struct timeout_control* timeout) {
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ASSERT(timeout != NULL);
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capwap_free(timeout);
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}
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/* */
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void capwap_timeout_update(struct timeout_control* timeout) {
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int i;
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struct timeval now;
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ASSERT(timeout);
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gettimeofday(&now, NULL);
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for (i = 0; i < CAPWAP_MAX_TIMER; i++) {
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if (timeout->items[i].enable && (timeout->items[i].delta >= 0)) {
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timeout->items[i].delta = (timeout->items[i].timestop.tv_sec - now.tv_sec) * 1000 + (timeout->items[i].timestop.tv_usec - now.tv_usec) / 1000;
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if (timeout->items[i].delta < 0) {
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timeout->items[i].delta = 0;
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} else if (timeout->items[i].delta > timeout->items[i].durate) {
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/* Changed system time */
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timeout->items[i].delta = timeout->items[i].durate;
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memcpy(&timeout->items[i].timestop, &now, sizeof(struct timeval));
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timeout->items[i].timestop.tv_sec += timeout->items[i].durate;
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}
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}
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}
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}
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/* */
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long capwap_timeout_get(struct timeout_control* timeout, long* index) {
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long i;
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long delta = 0;
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ASSERT(timeout != NULL);
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ASSERT(index != NULL);
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*index = CAPWAP_TIMER_UNDEF;
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for (i = 0; i < CAPWAP_MAX_TIMER; i++) {
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if (timeout->items[i].enable) {
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if (timeout->items[i].delta <= 0) {
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*index = i;
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delta = 0;
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break;
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} else if (!delta || (delta > timeout->items[i].delta)) {
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*index = i;
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delta = timeout->items[i].delta;
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}
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}
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}
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return delta;
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}
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/* */
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void capwap_timeout_wait(struct timeout_control* timeout, unsigned long index) {
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ASSERT(timeout != NULL);
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ASSERT(index < CAPWAP_MAX_TIMER);
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if (timeout->items[index].enable) {
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for (capwap_timeout_update(timeout); timeout->items[index].delta > 0; capwap_timeout_update(timeout)) {
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usleep((useconds_t)timeout->items[index].delta * 1000);
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}
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}
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}
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/* */
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int capwap_timeout_isenable(struct timeout_control* timeout, unsigned long index) {
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ASSERT(timeout != NULL);
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ASSERT(index < CAPWAP_MAX_TIMER);
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return (timeout->items[index].enable ? 1 : 0);
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}
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/* */
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int capwap_timeout_hasexpired(struct timeout_control* timeout, unsigned long index) {
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ASSERT(timeout != NULL);
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ASSERT(index < CAPWAP_MAX_TIMER);
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if (timeout->items[index].enable && (timeout->items[index].delta <= 0)) {
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return 1;
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}
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return 0;
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}
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/* */
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void capwap_timeout_set(unsigned long value, struct timeout_control* timeout, unsigned long index) {
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ASSERT(timeout != NULL);
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ASSERT(index < CAPWAP_MAX_TIMER);
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/* Set timeout in ms */
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timeout->items[index].enable = 1;
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timeout->items[index].delta = value * 1000;
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timeout->items[index].durate = timeout->items[index].delta;
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gettimeofday(&timeout->items[index].timestop, NULL);
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timeout->items[index].timestop.tv_sec += value;
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}
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/* */
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void capwap_timeout_kill(struct timeout_control* timeout, unsigned long index) {
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ASSERT(timeout != NULL);
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ASSERT(index < CAPWAP_MAX_TIMER);
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timeout->items[index].enable = 0;
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}
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/* */
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void capwap_timeout_killall(struct timeout_control* timeout) {
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long i;
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ASSERT(timeout != NULL);
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for (i = 0; i < CAPWAP_MAX_TIMER; i++) {
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timeout->items[i].enable = 0;
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}
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}
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