Timeout default structure updated

RNS/Link.py

@@ -45,11 +45,7 @@ class Link:
 
     MDU = math.floor((RNS.Reticulum.MTU-RNS.Reticulum.HEADER_MINSIZE-RNS.Identity.FERNET_OVERHEAD)/RNS.Identity.AES128_BLOCKSIZE)*RNS.Identity.AES128_BLOCKSIZE - 1
 
-    # This value is set at a reasonable level for a 1 Kb/s channel.
-    #
-    # TODO: Find a way to automatically raise or lower this according to
-    # channel bandwidth and utilisation.
-    ESTABLISHMENT_TIMEOUT_PER_HOP = 5
+    ESTABLISHMENT_TIMEOUT_PER_HOP = RNS.Reticulum.DEFAULT_PER_HOP_TIMEOUT
     """
     Default timeout for link establishment in seconds per hop to destination.
     """

RNS/Packet.py

@@ -75,9 +75,7 @@ class Packet:
     The maximum size of the payload data in a single unencrypted packet 
     """
 
-    # This value is set at a reasonable
-    # level for a 1 Kb/s channel.
-    TIMEOUT_PER_HOP = 5
+    TIMEOUT_PER_HOP = RNS.Reticulum.DEFAULT_PER_HOP_TIMEOUT
 
     def __init__(self, destination, data, packet_type = DATA, context = NONE, transport_type = RNS.Transport.BROADCAST, header_type = HEADER_1, transport_id = None, attached_interface = None, create_receipt = True):
         if destination != None:

RNS/Reticulum.py

@@ -59,6 +59,14 @@ class Reticulum:
     the default value.
     """
 
+    # TODO: To reach the 300bps level without unreasonably impacting
+    # performance on faster links, we need a mechanism for setting
+    # this value more intelligently. One option could be inferring it
+    # from interface speed, but a better general approach would most
+    # probably be to let Reticulum somehow continously build a map of
+    # per-hop latencies and use this map for the timeout calculation. 
+    DEFAULT_PER_HOP_TIMEOUT = 5
+
     # Length of truncated hashes in bits.
     TRUNCATED_HASHLENGTH = 80