Added discovery configuration to configuration options

RNS/Discovery.py

@@ -6,18 +6,19 @@ from .vendor import umsgpack as msgpack
 
 NAME            = 0xFF
 INTERFACE_TYPE  = 0x00
-REACHABLE_ON    = 0x01
+TRANSPORT       = 0x01
-LATITUDE        = 0x02
+REACHABLE_ON    = 0x02
-LONGITUDE       = 0x03
+LATITUDE        = 0x03
-HEIGHT          = 0x04
+LONGITUDE       = 0x04
-PORT            = 0x05
+HEIGHT          = 0x05
-IFAC_NETNAME    = 0x06
+PORT            = 0x06
-IFAC_NETKEY     = 0x07
+IFAC_NETNAME    = 0x07
-FREQUENCY       = 0x08
+IFAC_NETKEY     = 0x08
-BANDWIDTH       = 0x09
+FREQUENCY       = 0x09
-SPREADINGFACTOR = 0x0A
+BANDWIDTH       = 0x0A
-CODINGRATE      = 0x0B
+SPREADINGFACTOR = 0x0B
-MODULATION      = 0x0C
+CODINGRATE      = 0x0C
+MODULATION      = 0x0D
 
 APP_NAME = "rnstransport"
 
@@ -86,6 +87,7 @@ class InterfaceAnnouncer():
         if not interface_type in self.DISCOVERABLE_INTERFACE_TYPES: return None
         else:
             info = {INTERFACE_TYPE: interface_type,
+                    TRANSPORT:      RNS.Reticulum.transport_enabled(),
                     NAME:           self.sanitize(interface.discovery_name),
                     LATITUDE:       interface.discovery_latitude,
                     LONGITUDE:      interface.discovery_longitude,
@@ -160,6 +162,7 @@ class InterfaceAnnounceHandler:
                     if INTERFACE_TYPE in unpacked:
                         interface_type     = unpacked[INTERFACE_TYPE]
                         info = {"type":      interface_type,
+                                "transport": unpacked[TRANSPORT],
                                 "name":      unpacked[NAME] or f"Discovered {interface_type}",
                                 "received":  time.time(),
                                 "stamp":     stamp,
@@ -257,6 +260,8 @@ class InterfaceDiscovery():
     STATUS_CODE_MAP   = {"available": STATUS_AVAILABLE, "unknown": STATUS_UNKNOWN, "stale": STATUS_STALE}
 
     def __init__(self, required_value=InterfaceAnnouncer.DEFAULT_STAMP_VALUE, callback=None, discover_interfaces=True):
+        if not required_value: required_value = InterfaceAnnouncer.DEFAULT_STAMP_VALUE
+
         self.required_value     = required_value
         self.discovery_callback = callback
         self.rns_instance       = RNS.Reticulum.get_instance()

RNS/Reticulum.py

@@ -256,6 +256,8 @@ class Reticulum:
         Reticulum.__use_implicit_proof = True
         Reticulum.__allow_probes = False
         Reticulum.__discovery_enabled = False
+        Reticulum.__discover_interfaces = False
+        Reticulum.__required_discovery_value = None
 
         Reticulum.panic_on_interface_error = False
 
@@ -344,7 +346,9 @@ class Reticulum:
             thread.daemon = True
             thread.start()
 
-        if Reticulum.__discovery_enabled: RNS.Transport.enable_discovery()
+        if self.is_shared_instance or self.is_standalone_instance:
+            if Reticulum.__discovery_enabled: RNS.Transport.enable_discovery()
+            if Reticulum.__discover_interfaces: RNS.Transport.discover_interfaces()
 
         atexit.register(Reticulum.exit_handler)
         signal.signal(signal.SIGINT, Reticulum.sigint_handler)
@@ -478,16 +482,13 @@ class Reticulum:
                         self.rpc_key = None
                 if option == "enable_transport":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True: Reticulum.__transport_enabled = True
-                        Reticulum.__transport_enabled = True
                 if option == "link_mtu_discovery":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True: Reticulum.__link_mtu_discovery = True
-                        Reticulum.__link_mtu_discovery = True
                 if option == "enable_remote_management":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True: Reticulum.__remote_management_enabled = True
-                        Reticulum.__remote_management_enabled = True
                 if option == "remote_management_allowed":
                     v = self.config["reticulum"].as_list(option)
                     for hexhash in v:
@@ -503,21 +504,25 @@ class Reticulum:
                             RNS.Transport.remote_management_allowed.append(allowed_hash)
                 if option == "respond_to_probes":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True: Reticulum.__allow_probes = True
-                        Reticulum.__allow_probes = True
                 if option == "force_shared_instance_bitrate":
                     v = self.config["reticulum"].as_int(option)
                     Reticulum._force_shared_instance_bitrate = v
                 if option == "panic_on_interface_error":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True: Reticulum.panic_on_interface_error = True
-                        Reticulum.panic_on_interface_error = True
                 if option == "use_implicit_proof":
                     v = self.config["reticulum"].as_bool(option)
-                    if v == True:
+                    if v == True:  Reticulum.__use_implicit_proof = True
-                        Reticulum.__use_implicit_proof = True
+                    if v == False: Reticulum.__use_implicit_proof = False
-                    if v == False:
+                if option == "discover_interfaces":
-                        Reticulum.__use_implicit_proof = False
+                    v = self.config["reticulum"].as_bool(option)
+                    if v == True:  Reticulum.__discover_interfaces = True
+                    if v == False: Reticulum.__discover_interfaces = False
+                if option == "required_discovery_value":
+                    v = self.config["reticulum"].as_int(option)
+                    if v > 0: Reticulum.__required_discovery_value = v
+                    else:     Reticulum.__required_discovery_value = None
 
         if RNS.compiled: RNS.log("Reticulum running in compiled mode", RNS.LOG_DEBUG)
         else: RNS.log("Reticulum running in interpreted mode", RNS.LOG_DEBUG)
@@ -1425,6 +1430,16 @@ class Reticulum:
     def probe_destination_enabled():
         return Reticulum.__allow_probes
 
+    @staticmethod
+    def required_discovery_value():
+        """
+        Returns the required stam value for a discovered interface
+        to be considered valid and remembered.
+
+        :returns: The required stamp value as an integer.
+        """
+        return Reticulum.__required_discovery_value
+
 # Default configuration file:
 __default_rns_config__ = '''# This is the default Reticulum config file.
 # You should probably edit it to include any additional,
@@ -1467,6 +1482,7 @@ share_instance = Yes
 
 instance_name = default
 
+
 # Some platforms don't support domain sockets, and if that
 # is the case, you can isolate different instances by
 # specifying a unique set of ports for each:
@@ -1482,6 +1498,14 @@ instance_name = default
 # shared_instance_type = tcp
 
 
+# You can configure whether Reticulum should discover
+# available interfaces from other Transport Instances over
+# the network. If this option is enabled, Reticulum will
+# collect interface information discovered from the network.
+
+# discover_interfaces = No
+
+
 # You can configure Reticulum to panic and forcibly close
 # if an unrecoverable interface error occurs, such as the
 # hardware device for an interface disappearing. This is

RNS/Transport.py

@@ -157,6 +157,7 @@ class Transport:
     interface_jobs_interval     = 5.0
     inbound_announce_lock       = Lock()
     interface_announcer         = None
+    discovery_handler           = None
 
     traffic_rxb                 = 0
     traffic_txb                 = 0
@@ -356,6 +357,11 @@ class Transport:
             Transport.interface_announcer = RNS.Discovery.InterfaceAnnouncer(Transport)
             Transport.interface_announcer.start()
 
+    @staticmethod
+    def discover_interfaces():
+        if not Transport.discovery_handler:
+            Transport.discovery_handler = RNS.Discovery.InterfaceDiscovery(required_value=RNS.Reticulum.required_discovery_value(), discover_interfaces=True)
+
     @staticmethod
     def count_traffic_loop():
         while True:

RNS/Utilities/rnsd.py

@@ -160,6 +160,22 @@ instance_name = default
 # remote_management_allowed = 9fb6d773498fb3feda407ed8ef2c3229, 2d882c5586e548d79b5af27bca1776dc
 
 
+# You can configure whether Reticulum should discover
+# available interfaces from other Transport Instances over
+# the network. If this option is enabled, Reticulum will
+# collect interface information discovered from the network.
+
+# discover_interfaces = No
+
+
+# To prevent interface discovery spamming, a valid crypto-
+# graphic stamp is required per announced interface. You
+# can configure the minimum required value to accept as
+# valid for discovered interfaces.
+
+# required_discovery_value = 20
+
+
 # You can configure Reticulum to panic and forcibly close
 # if an unrecoverable interface error occurs, such as the
 # hardware device for an interface disappearing. This is