256   size_t idx = ssl->d1->handshake_read_seq % SSL_MAX_HANDSHAKE_FLIGHT;  in dtls1_is_current_message_complete()
257   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_is_current_message_complete()
267   if (msg_hdr->seq < ssl->d1->handshake_read_seq ||  in dtls1_get_incoming_message()
268       msg_hdr->seq - ssl->d1->handshake_read_seq >= SSL_MAX_HANDSHAKE_FLIGHT) {  in dtls1_get_incoming_message()
274   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_get_incoming_message()
289   ssl->d1->incoming_messages[idx] = dtls1_hm_fragment_new(msg_hdr);  in dtls1_get_incoming_message()
290   if (!ssl->d1->incoming_messages[idx]) {  in dtls1_get_incoming_message()
294   return ssl->d1->incoming_messages[idx].get();  in dtls1_get_incoming_message()
335       ssl->d1->has_change_cipher_spec = true;  in dtls1_open_handshake()
374     if (ssl->d1->r_epoch == 1 && msg_hdr.seq != ssl->d1->handshake_read_seq) {  in dtls1_open_handshake()
380     if (msg_hdr.seq < ssl->d1->handshake_read_seq ||  in dtls1_open_handshake()
382             (unsigned)ssl->d1->handshake_read_seq + SSL_MAX_HANDSHAKE_FLIGHT) {  in dtls1_open_handshake()
413   size_t idx = ssl->d1->handshake_read_seq % SSL_MAX_HANDSHAKE_FLIGHT;  in dtls1_get_message()
414   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_get_message()
429   size_t index = ssl->d1->handshake_read_seq % SSL_MAX_HANDSHAKE_FLIGHT;  in dtls1_next_message()
430   ssl->d1->incoming_messages[index].reset();  in dtls1_next_message()
431   ssl->d1->handshake_read_seq++;  in dtls1_next_message()
435   if (ssl->d1->outgoing_messages_complete) {  in dtls1_next_message()
436     ssl->d1->flight_has_reply = true;  in dtls1_next_message()
441   if (ssl->d1->has_change_cipher_spec) {  in dtls_has_unprocessed_handshake_data()
445   size_t current = ssl->d1->handshake_read_seq % SSL_MAX_HANDSHAKE_FLIGHT;  in dtls_has_unprocessed_handshake_data()
452     if (ssl->d1->incoming_messages[i] != nullptr) {  in dtls_has_unprocessed_handshake_data()
478   if (!ssl->d1->has_change_cipher_spec) {  in dtls1_open_change_cipher_spec()
485   if (ssl->d1->has_change_cipher_spec) {  in dtls1_open_change_cipher_spec()
486     ssl->d1->has_change_cipher_spec = false;  in dtls1_open_change_cipher_spec()
501   for (size_t i = 0; i < ssl->d1->outgoing_messages_len; i++) {  in dtls_clear_outgoing_messages()
502     ssl->d1->outgoing_messages[i].Clear();  in dtls_clear_outgoing_messages()
504   ssl->d1->outgoing_messages_len = 0;  in dtls_clear_outgoing_messages()
505   ssl->d1->outgoing_written = 0;  in dtls_clear_outgoing_messages()
506   ssl->d1->outgoing_offset = 0;  in dtls_clear_outgoing_messages()
507   ssl->d1->outgoing_messages_complete = false;  in dtls_clear_outgoing_messages()
508   ssl->d1->flight_has_reply = false;  in dtls_clear_outgoing_messages()
516       !CBB_add_u16(cbb, ssl->d1->handshake_write_seq) ||  in dtls1_init_message()
556   if (ssl->d1->outgoing_messages_complete) {  in add_outgoing()
564                     (1 << 8 * sizeof(ssl->d1->outgoing_messages_len)),  in add_outgoing()
566   if (ssl->d1->outgoing_messages_len >= SSL_MAX_HANDSHAKE_FLIGHT ||  in add_outgoing()
581     ssl->d1->handshake_write_seq++;  in add_outgoing()
585       &ssl->d1->outgoing_messages[ssl->d1->outgoing_messages_len];  in add_outgoing()
589   msg->epoch = ssl->d1->w_epoch;  in add_outgoing()
592   ssl->d1->outgoing_messages_len++;  in add_outgoing()
610   if (ssl->d1->mtu < dtls1_min_mtu() &&  in dtls1_update_mtu()
614       ssl->d1->mtu = (unsigned)mtu;  in dtls1_update_mtu()
616       ssl->d1->mtu = kDefaultMTU;  in dtls1_update_mtu()
617       BIO_ctrl(ssl->wbio.get(), BIO_CTRL_DGRAM_SET_MTU, ssl->d1->mtu, NULL);  in dtls1_update_mtu()
622   assert(ssl->d1->mtu >= dtls1_min_mtu());  in dtls1_update_mtu()
638   assert(ssl->d1->outgoing_written < ssl->d1->outgoing_messages_len);  in seal_next_message()
639   assert(msg == &ssl->d1->outgoing_messages[ssl->d1->outgoing_written]);  in seal_next_message()
642   if (ssl->d1->w_epoch >= 1 && msg->epoch == ssl->d1->w_epoch - 1) {  in seal_next_message()
644   } else if (msg->epoch != ssl->d1->w_epoch) {  in seal_next_message()
678       !CBS_skip(&body, ssl->d1->outgoing_offset) ||  in seal_next_message()
701       !CBB_add_u24(cbb.get(), ssl->d1->outgoing_offset) ||  in seal_next_message()
719     ssl->d1->outgoing_offset = 0;  in seal_next_message()
723   ssl->d1->outgoing_offset += todo;  in seal_next_message()
734   assert(ssl->d1->outgoing_written < ssl->d1->outgoing_messages_len);  in seal_next_packet()
735   for (; ssl->d1->outgoing_written < ssl->d1->outgoing_messages_len;  in seal_next_packet()
736        ssl->d1->outgoing_written++) {  in seal_next_packet()
738         &ssl->d1->outgoing_messages[ssl->d1->outgoing_written];  in seal_next_packet()
782   uint8_t *packet = (uint8_t *)OPENSSL_malloc(ssl->d1->mtu);  in send_flight()
788   while (ssl->d1->outgoing_written < ssl->d1->outgoing_messages_len) {  in send_flight()
789     uint8_t old_written = ssl->d1->outgoing_written;  in send_flight()
790     uint32_t old_offset = ssl->d1->outgoing_offset;  in send_flight()
793     if (!seal_next_packet(ssl, packet, &packet_len, ssl->d1->mtu)) {  in send_flight()
800       ssl->d1->outgoing_written = old_written;  in send_flight()
801       ssl->d1->outgoing_offset = old_offset;  in send_flight()
821   ssl->d1->outgoing_messages_complete = true;  in dtls1_flush_flight()
832   ssl->d1->outgoing_written = 0;  in dtls1_retransmit_outgoing_messages()
833   ssl->d1->outgoing_offset = 0;  in dtls1_retransmit_outgoing_messages()