Rework path migration

CMakeLists.txt

@@ -90,6 +90,7 @@ set(PICOQUIC_LIBRARY_FILES
     picoquic/newreno.c
     picoquic/pacing.c
     picoquic/packet.c
+    picoquic/paths.c
     picoquic/performance_log.c
     picoquic/picohash.c
     picoquic/picoquic_lb.c

picoquic/logger.c

@@ -1870,7 +1870,7 @@ static void textlog_outgoing_segment(void* F_log, int log_cnxid, picoquic_cnx_t*
 
     ret = picoquic_parse_packet_header((cnx == NULL) ? NULL : cnx->quic, send_buffer, send_length,
         ((cnx == NULL || cnx->path[0] == NULL) ? (struct sockaddr *)&default_addr :
-        (struct sockaddr *)&cnx->path[0]->local_addr), &ph, &pcnx, 0);
+        (struct sockaddr *)&cnx->path[0]->first_tuple->local_addr), &ph, &pcnx, 0);
 
     ph.pn64 = sequence_number;
     ph.pn = (uint32_t)ph.pn64;

picoquic/logwriter.c

@@ -842,7 +842,7 @@ void binlog_outgoing_packet(picoquic_cnx_t* cnx, picoquic_path_t * path_x,
 
     picoquic_parse_packet_header((cnx == NULL) ? NULL : cnx->quic, send_buffer, send_length,
         ((cnx == NULL || cnx->path[0] == NULL) ? (struct sockaddr *)&default_addr :
-        (struct sockaddr *)&cnx->path[0]->local_addr), &ph, &pcnx, 0);
+        (struct sockaddr *)&cnx->path[0]->first_tuple->local_addr), &ph, &pcnx, 0);
 
     if (cnx != NULL) {
         picoquic_epoch_enum epoch = (ph.ptype == picoquic_packet_1rtt_protected) ? picoquic_epoch_1rtt :
@@ -1059,7 +1059,7 @@ void binlog_new_connection(picoquic_cnx_t * cnx)
 
         bytewrite_int8(msg, cnx->client_mode != 0);
         bytewrite_int32(msg, cnx->proposed_version);
-        bytewrite_cid(msg, &cnx->path[0]->p_remote_cnxid->cnx_id);
+        bytewrite_cid(msg, &cnx->path[0]->first_tuple->p_remote_cnxid->cnx_id);
 
         /* Algorithms used */
         bytewrite_cstr(msg, cnx->congestion_alg->congestion_algorithm_id);

picoquic/loss_recovery.c

@@ -468,12 +468,12 @@ static size_t picoquic_retransmit_needed_packet(picoquic_cnx_t* cnx, picoquic_pa
                                 }
                             }
                             if (!all_paths_dubious) {
-                                old_path->challenge_failed = 1;
+                                old_path->first_tuple->challenge_failed = 1;
                                 cnx->path_demotion_needed = 1;
                             }
                         }
                         else {
-                            old_path->challenge_failed = 1;
+                            old_path->first_tuple->challenge_failed = 1;
                             cnx->path_demotion_needed = 1;
                         }
                     }
@@ -899,7 +899,7 @@ static void picoquic_count_and_notify_loss(
     if (timer_based_retransmit < 2) {
         picoquic_log_packet_lost(cnx, old_p->send_path, old_p->ptype, old_p->sequence_number,
             (timer_based_retransmit) ? "timer" : "repeat",
-            (old_p->send_path == NULL || old_p->send_path->p_remote_cnxid == NULL) ? NULL : &old_p->send_path->p_remote_cnxid->cnx_id,
+            (old_p->send_path == NULL || old_p->send_path->first_tuple->p_remote_cnxid == NULL) ? NULL : &old_p->send_path->first_tuple->p_remote_cnxid->cnx_id,
             old_p->length, current_time);
 
         if (!old_p->is_preemptive_repeat) {