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TCP performance improvements
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@ -55,7 +55,7 @@ Some countries still ban the use of encryption when operating under an amateur r
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- pyserial
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## How do I get started?
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Full documentation and video tutorials are coming with the stable alpha release. Until then, you are mostly on your own. If you really want to experiment already, you could take a look in the "Examples" folder, for some well-documented example programs. Be sure to also read the [Reticulum Overview Document](http://unsigned.io/wp-content/uploads/2018/04/Reticulum_Overview_v0.4.pdf).
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Full documentation and video tutorials are coming with the stable alpha release. Until then, you are mostly on your own. If you really want to experiment already, you could take a look in the "Examples" folder, for some well-documented example programs. The default configuration file created by Reticulum on the first run is also worth reading. Be sure to also read the [Reticulum Overview Document](http://unsigned.io/wp-content/uploads/2018/04/Reticulum_Overview_v0.4.pdf).
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If you just need Reticulum as a dependency for another application, the easiest way is probably via pip:
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@ -78,27 +78,30 @@ class TCPClientInterface(Interface):
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data_buffer = b""
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while True:
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data_in = self.socket.recv(1)
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data_in = self.socket.recv(1024)
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if len(data_in) > 0:
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byte = ord(data_in)
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if (in_frame and byte == HDLC.FLAG):
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in_frame = False
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self.processIncoming(data_buffer)
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elif (byte == HDLC.FLAG):
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in_frame = True
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data_buffer = b""
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elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
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if (byte == HDLC.ESC):
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escape = True
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else:
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if (escape):
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if (byte == HDLC.FLAG ^ HDLC.ESC_MASK):
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byte = HDLC.FLAG
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if (byte == HDLC.ESC ^ HDLC.ESC_MASK):
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byte = HDLC.ESC
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escape = False
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data_buffer = data_buffer+bytes([byte])
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pointer = 0
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while pointer < len(data_in):
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byte = data_in[pointer]
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pointer += 1
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if (in_frame and byte == HDLC.FLAG):
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in_frame = False
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self.processIncoming(data_buffer)
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elif (byte == HDLC.FLAG):
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in_frame = True
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data_buffer = b""
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elif (in_frame and len(data_buffer) < RNS.Reticulum.MTU):
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if (byte == HDLC.ESC):
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escape = True
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else:
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if (escape):
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if (byte == HDLC.FLAG ^ HDLC.ESC_MASK):
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byte = HDLC.FLAG
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if (byte == HDLC.ESC ^ HDLC.ESC_MASK):
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byte = HDLC.ESC
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escape = False
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data_buffer = data_buffer+bytes([byte])
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else:
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RNS.log("TCP socket for "+str(self)+" was closed, tearing down interface", RNS.LOG_VERBOSE)
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self.teardown()
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@ -108,9 +111,8 @@ class TCPClientInterface(Interface):
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except Exception as e:
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self.online = False
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RNS.log("An interface error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
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RNS.log("The interface "+str(self.name)+" is now offline. Restart Reticulum to attempt reconnection.", RNS.LOG_ERROR)
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raise e
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RNS.log("Tearing down "+str(self), RNS.LOG_ERROR)
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self.teardown()
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def teardown(self):
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self.online = False
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@ -128,8 +130,6 @@ class TCPServerInterface(Interface):
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def __init__(self, owner, name, bindip=None, bindport=None):
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self.IN = True
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self.OUT = False
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self.transmit_delay = 0.001
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self.name = name
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if (bindip != None and bindport != None):
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@ -438,14 +438,19 @@ class Resource:
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pi = 0
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for part in self.parts:
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if part.map_hash == requested_hash:
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if not part.sent:
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part.send()
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self.sent_parts += 1
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else:
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part.resend()
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self.last_activity = time.time()
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self.last_part_sent = self.last_activity
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break
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try:
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if not part.sent:
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part.send()
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self.sent_parts += 1
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else:
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part.resend()
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self.last_activity = time.time()
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self.last_part_sent = self.last_activity
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break
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except Exception as e:
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RNS.log("Resource could not send parts, cancelling transfer!", RNS.LOG_ERROR)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
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self.cancel()
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pi += 1
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if wants_more_hashmap:
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@ -488,8 +493,11 @@ class Resource:
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self.status = Resource.FAILED
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if self.initiator:
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if self.link.status == RNS.Link.ACTIVE:
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cancel_packet = RNS.Packet(self.link, self.hash, context=RNS.Packet.RESOURCE_ICL)
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cancel_packet.send()
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try:
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cancel_packet = RNS.Packet(self.link, self.hash, context=RNS.Packet.RESOURCE_ICL)
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cancel_packet.send()
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except Exception as e:
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RNS.log("Could not send resource cancel packet, the contained exception was: "+str(e), RNS.LOG_ERROR)
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self.link.cancel_outgoing_resource(self)
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else:
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self.link.cancel_incoming_resource(self)
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