69     DTLS1_STATE *d1;  in dtls1_new()  local
77     if ((d1 = OPENSSL_zalloc(sizeof(*d1))) == NULL) {  in dtls1_new()
82     d1->buffered_messages = pqueue_new();  in dtls1_new()
83     d1->sent_messages = pqueue_new();  in dtls1_new()
86         d1->cookie_len = sizeof(s->d1->cookie);  in dtls1_new()
89     d1->link_mtu = 0;  in dtls1_new()
90     d1->mtu = 0;  in dtls1_new()
92     if (d1->buffered_messages == NULL || d1->sent_messages == NULL) {  in dtls1_new()
93         pqueue_free(d1->buffered_messages);  in dtls1_new()
94         pqueue_free(d1->sent_messages);  in dtls1_new()
95         OPENSSL_free(d1);  in dtls1_new()
100     s->d1 = d1;  in dtls1_new()
119     while ((item = pqueue_pop(s->d1->buffered_messages)) != NULL) {  in dtls1_clear_received_buffer()
131     while ((item = pqueue_pop(s->d1->sent_messages)) != NULL) {  in dtls1_clear_sent_buffer()
162     if (s->d1 != NULL) {  in dtls1_free()
164         pqueue_free(s->d1->buffered_messages);  in dtls1_free()
165         pqueue_free(s->d1->sent_messages);  in dtls1_free()
168     OPENSSL_free(s->d1);  in dtls1_free()
169     s->d1 = NULL;  in dtls1_free()
181     if (s->d1) {  in dtls1_clear()
182         DTLS_timer_cb timer_cb = s->d1->timer_cb;  in dtls1_clear()
184         buffered_messages = s->d1->buffered_messages;  in dtls1_clear()
185         sent_messages = s->d1->sent_messages;  in dtls1_clear()
186         mtu = s->d1->mtu;  in dtls1_clear()
187         link_mtu = s->d1->link_mtu;  in dtls1_clear()
191         memset(s->d1, 0, sizeof(*s->d1));  in dtls1_clear()
194         s->d1->timer_cb = timer_cb;  in dtls1_clear()
197             s->d1->cookie_len = sizeof(s->d1->cookie);  in dtls1_clear()
201             s->d1->mtu = mtu;  in dtls1_clear()
202             s->d1->link_mtu = link_mtu;  in dtls1_clear()
205         s->d1->buffered_messages = buffered_messages;  in dtls1_clear()
206         s->d1->sent_messages = sent_messages;  in dtls1_clear()
240         s->d1->link_mtu = larg;  in dtls1_ctrl()
251         s->d1->mtu = larg;  in dtls1_ctrl()
267         memset(&s->d1->next_timeout, 0, sizeof(s->d1->next_timeout));  in dtls1_start_timer()
276     if (s->d1->next_timeout.tv_sec == 0 && s->d1->next_timeout.tv_usec == 0) {  in dtls1_start_timer()
278         if (s->d1->timer_cb != NULL)  in dtls1_start_timer()
279             s->d1->timeout_duration_us = s->d1->timer_cb(s, 0);  in dtls1_start_timer()
281             s->d1->timeout_duration_us = 1000000;  in dtls1_start_timer()
285     get_current_time(&(s->d1->next_timeout));  in dtls1_start_timer()
289     sec  = s->d1->timeout_duration_us / 1000000;  in dtls1_start_timer()
290     usec = s->d1->timeout_duration_us - (sec * 1000000);  in dtls1_start_timer()
292     s->d1->next_timeout.tv_sec  += sec;  in dtls1_start_timer()
293     s->d1->next_timeout.tv_usec += usec;  in dtls1_start_timer()
295     if (s->d1->next_timeout.tv_usec >= 1000000) {  in dtls1_start_timer()
296         s->d1->next_timeout.tv_sec++;  in dtls1_start_timer()
297         s->d1->next_timeout.tv_usec -= 1000000;  in dtls1_start_timer()
301              &(s->d1->next_timeout));  in dtls1_start_timer()
309     if (s->d1->next_timeout.tv_sec == 0 && s->d1->next_timeout.tv_usec == 0) {  in dtls1_get_timeout()
317     if (s->d1->next_timeout.tv_sec < timenow.tv_sec ||  in dtls1_get_timeout()
318         (s->d1->next_timeout.tv_sec == timenow.tv_sec &&  in dtls1_get_timeout()
319          s->d1->next_timeout.tv_usec <= timenow.tv_usec)) {  in dtls1_get_timeout()
325     memcpy(timeleft, &(s->d1->next_timeout), sizeof(struct timeval));  in dtls1_get_timeout()
364     s->d1->timeout_duration_us *= 2;  in dtls1_double_timeout()
365     if (s->d1->timeout_duration_us > 60000000)  in dtls1_double_timeout()
366         s->d1->timeout_duration_us = 60000000;  in dtls1_double_timeout()
372     s->d1->timeout_num_alerts = 0;  in dtls1_stop_timer()
373     memset(&s->d1->next_timeout, 0, sizeof(s->d1->next_timeout));  in dtls1_stop_timer()
374     s->d1->timeout_duration_us = 1000000;  in dtls1_stop_timer()
376              &(s->d1->next_timeout));  in dtls1_stop_timer()
385     s->d1->timeout_num_alerts++;  in dtls1_check_timeout_num()
388     if (s->d1->timeout_num_alerts > 2  in dtls1_check_timeout_num()
392         if (mtu < s->d1->mtu)  in dtls1_check_timeout_num()
393             s->d1->mtu = mtu;  in dtls1_check_timeout_num()
396     if (s->d1->timeout_num_alerts > DTLS1_TMO_ALERT_COUNT) {  in dtls1_check_timeout_num()
412     if (s->d1->timer_cb != NULL)  in dtls1_handle_timeout()
413         s->d1->timeout_duration_us = s->d1->timer_cb(s, s->d1->timeout_duration_us);  in dtls1_handle_timeout()
838     s->d1->handshake_read_seq = 1;  in DTLSv1_listen()
839     s->d1->handshake_write_seq = 1;  in DTLSv1_listen()
840     s->d1->next_handshake_write_seq = 1;  in DTLSv1_listen()
904     if (s->d1->link_mtu) {  in dtls1_query_mtu()
905         s->d1->mtu =  in dtls1_query_mtu()
906             s->d1->link_mtu - BIO_dgram_get_mtu_overhead(SSL_get_wbio(s));  in dtls1_query_mtu()
907         s->d1->link_mtu = 0;  in dtls1_query_mtu()
911     if (s->d1->mtu < dtls1_min_mtu(s)) {  in dtls1_query_mtu()
913             s->d1->mtu =  in dtls1_query_mtu()
920             if (s->d1->mtu < dtls1_min_mtu(s)) {  in dtls1_query_mtu()
922                 s->d1->mtu = dtls1_min_mtu(s);  in dtls1_query_mtu()
924                          (long)s->d1->mtu, NULL);  in dtls1_query_mtu()
947     size_t mtu = s->d1->mtu;  in DTLS_get_data_mtu()
981     s->d1->timer_cb = cb;  in DTLS_set_timer_cb()