Basic interface rate estimation

RNS/Interfaces/AutoInterface.py

@@ -46,7 +46,9 @@ class AutoInterface(Interface):
     DARWIN_IGNORE_IFS  = ["awdl0", "llw0", "lo0", "en5"]
     ANDROID_IGNORE_IFS = ["dummy0", "lo", "tun0"]
 
-    def __init__(self, owner, name, group_id=None, discovery_scope=None, discovery_port=None, data_port=None, allowed_interfaces=None, ignored_interfaces=None):
+    BITRATE_GUESS      = 10*1000*1000
+
+    def __init__(self, owner, name, group_id=None, discovery_scope=None, discovery_port=None, data_port=None, allowed_interfaces=None, ignored_interfaces=None, configured_bitrate=None):
         import importlib
         if importlib.util.find_spec('netifaces') != None:
             import netifaces
@@ -217,6 +219,11 @@ class AutoInterface(Interface):
 
             time.sleep(peering_wait)
 
+            if configured_bitrate != None:
+                self.bitrate = configured_bitrate
+            else:
+                self.bitrate = AutoInterface.BITRATE_GUESS
+
             self.online = True
 
 

RNS/Interfaces/LocalInterface.py

@@ -76,6 +76,7 @@ class LocalClientInterface(Interface):
             self.connect()
 
         self.owner   = owner
+        self.bitrate = 1000*1000*1000
         self.online  = True
         self.writing = False
 
@@ -284,6 +285,7 @@ class LocalServerInterface(Interface):
             thread.setDaemon(True)
             thread.start()
 
+            self.bitrate = 1000*1000*1000
             self.online = True
 
 

RNS/Reticulum.py

@@ -705,6 +705,18 @@ class Reticulum:
                     else:
                         ifstats["i2p_b32"] = None
 
+                if hasattr(interface, "bitrate"):
+                    if interface.bitrate != None:
+                        ifstats["bitrate"] = interface.bitrate
+                    else:
+                        ifstats["bitrate"] = None
+
+                if hasattr(interface, "peers"):
+                    if interface.peers != None:
+                        ifstats["peers"] = len(interface.peers)
+                    else:
+                        ifstats["peers"] = None
+
                 ifstats["name"] = str(interface)
                 ifstats["rxb"] = interface.rxb
                 ifstats["txb"] = interface.txb

RNS/Transport.py

@@ -551,6 +551,7 @@ class Transport:
                         if packet.attached_interface == None and interface.mode == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
                             RNS.log("Blocking announce broadcast on "+str(interface)+" due to AP mode", RNS.LOG_DEBUG)
                             should_transmit = False
+                        # TODO: Add capacity limit based on interface bandwidth
                             
                     if should_transmit:
                         if not stored_hash:
@@ -923,7 +924,7 @@ class Transport:
                             local_rebroadcasts = 0
                             block_rebroadcasts = False
                             attached_interface = None
-                            retransmit_timeout = now + math.pow(Transport.PATHFINDER_C, packet.hops) + (PATHFINDER_D*packet.hops) + (RNS.rand() * Transport.PATHFINDER_RW)
+                            retransmit_timeout = now + math.pow(Transport.PATHFINDER_C, packet.hops) + (Transport.PATHFINDER_D*packet.hops) + (RNS.rand() * Transport.PATHFINDER_RW)
 
                             if packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
                                 expires            = now + Transport.AP_PATH_TIME

RNS/Utilities/rnstatus.py

@@ -94,10 +94,16 @@ def program_setup(configdir, dispall=False, verbosity = 0):
                 if not (name.startswith("Shared Instance[") or name.startswith("TCPInterface[Client") or name.startswith("LocalInterface[")):
                     print("    Mode    : {mode}".format(mode=modestr))
 
+                if "bitrate" in ifstat and ifstat["bitrate"] != None:
+                    print("    Rate    : {ss}".format(ss=speed_str(ifstat["bitrate"])))
+                
+                if "peers" in ifstat and ifstat["peers"] != None:
+                    print("    Peers   : {np} reachable".format(np=ifstat["peers"]))
+                
                 if "i2p_b32" in ifstat:
                     print("    I2P B32 : {ep}".format(ep=str(ifstat["i2p_b32"])))
 
-                print("    RX      : {rxb}\n    TX      : {txb}".format(rxb=size_str(ifstat["rxb"]), txb=size_str(ifstat["txb"])))
+                print("    Traffic : ↑ {txb}\n              ↓ {rxb}".format(rxb=size_str(ifstat["rxb"]), txb=size_str(ifstat["txb"])))
 
         print("")
                 
@@ -133,5 +139,21 @@ def main():
         print("")
         exit()
 
+def speed_str(num, suffix='bps'):
+    units = ['','k','M','G','T','P','E','Z']
+    last_unit = 'Y'
+
+    if suffix == 'Bps':
+        num /= 8
+        units = ['','K','M','G','T','P','E','Z']
+        last_unit = 'Y'
+
+    for unit in units:
+        if abs(num) < 1000.0:
+            return "%3.2f %s%s" % (num, unit, suffix)
+        num /= 1000.0
+
+    return "%.2f %s%s" % (num, last_unit, suffix)
+
 if __name__ == "__main__":
     main()