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https://github.com/markqvist/Reticulum.git
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Implemented I2PInterface recovery on I2P router restart
This commit is contained in:
Mark Qvist
parent
49ed335e19
commit
9e20ba2dac
@ -72,6 +72,7 @@ class I2PController:
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self.client_tunnels = {}
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self.server_tunnels = {}
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self.i2plib_tunnels = {}
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self.loop = None
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self.i2plib = i2plib
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self.utils = i2plib.utils
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@ -118,8 +119,7 @@ class I2PController:
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def client_tunnel(self, owner, i2p_destination):
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self.client_tunnels[i2p_destination] = False
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self.refs = {}
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self.i2plib_tunnels[i2p_destination] = None
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while True:
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if not self.client_tunnels[i2p_destination]:
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@ -127,17 +127,17 @@ class I2PController:
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async def tunnel_up():
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RNS.log("Bringing up I2P tunnel to "+str(owner)+", this may take a while...", RNS.LOG_INFO)
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tunnel = self.i2plib.ClientTunnel(i2p_destination, owner.local_addr, sam_address=self.sam_address, loop=self.loop)
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self.refs[i2p_destination] = tunnel
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self.i2plib_tunnels[i2p_destination] = tunnel
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await tunnel.run()
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self.loop.ext_owner = self
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result = asyncio.run_coroutine_threadsafe(tunnel_up(), self.loop).result()
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if not i2p_destination in self.refs:
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if not i2p_destination in self.i2plib_tunnels:
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raise IOError("No tunnel control instance was created")
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else:
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tn = self.refs[i2p_destination]
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tn = self.i2plib_tunnels[i2p_destination]
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if tn != None and hasattr(tn, "status"):
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RNS.log("Waiting for status from I2P control process", RNS.LOG_EXTREME)
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@ -151,7 +151,20 @@ class I2PController:
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else:
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self.client_tunnels[i2p_destination] = True
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owner.awaiting_i2p_tunnel = False
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RNS.log(str(owner)+ " tunnel setup complete", RNS.LOG_VERBOSE)
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if owner.socket != None:
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if hasattr(owner.socket, "close"):
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if callable(owner.socket.close):
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try:
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owner.socket.shutdown(socket.SHUT_RDWR)
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except Exception as e:
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RNS.log("Error while shutting down socket for "+str(owner)+": "+str(e))
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try:
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owner.socket.close()
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except Exception as e:
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RNS.log("Error while closing socket for "+str(owner)+": "+str(e))
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RNS.log(str(owner)+" tunnel setup complete", RNS.LOG_VERBOSE)
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else:
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raise IOError("Got no status response from SAM API")
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@ -166,6 +179,30 @@ class I2PController:
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RNS.log("Unexpected error type from I2P SAM: "+str(e), RNS.LOG_ERROR)
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raise e
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else:
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i2ptunnel = self.i2plib_tunnels[i2p_destination]
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if hasattr(i2ptunnel, "status"):
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# TODO: Remove
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# RNS.log(str(i2ptunnel.status))
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i2p_exception = i2ptunnel.status["exception"]
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if i2ptunnel.status["setup_ran"] == False:
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RNS.log(str(self)+" I2P tunnel setup did not complete", RNS.LOG_ERROR)
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return False
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elif i2p_exception != None:
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RNS.log(str(self)+" An error ocurred while setting up I2P tunnel. The contained exception was: "+str(i2p_exception), RNS.LOG_ERROR)
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RNS.log("Resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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elif i2ptunnel.status["setup_failed"] == True:
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RNS.log(str(self)+" Unspecified I2P tunnel setup error, resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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else:
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RNS.log(str(self)+" Got no status from SAM API, resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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time.sleep(5)
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@ -204,21 +241,48 @@ class I2PController:
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owner.b32 = i2p_b32
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self.server_tunnels[i2p_b32] = False
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self.i2plib_tunnels[i2p_b32] = None
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while self.server_tunnels[i2p_b32] == False:
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try:
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async def tunnel_up():
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RNS.log(str(owner)+" Bringing up I2P endpoint, this may take a while...", RNS.LOG_INFO)
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tunnel = self.i2plib.ServerTunnel((owner.bind_ip, owner.bind_port), loop=self.loop, destination=i2p_dest, sam_address=self.sam_address)
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await tunnel.run()
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RNS.log(str(owner)+ " endpoint setup complete. Now reachable at: "+str(i2p_dest.base32)+".b32.i2p", RNS.LOG_VERBOSE)
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while True:
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if self.server_tunnels[i2p_b32] == False:
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try:
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async def tunnel_up():
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RNS.log(str(owner)+" Bringing up I2P endpoint, this may take a while...", RNS.LOG_INFO)
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tunnel = self.i2plib.ServerTunnel((owner.bind_ip, owner.bind_port), loop=self.loop, destination=i2p_dest, sam_address=self.sam_address)
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self.i2plib_tunnels[i2p_b32] = tunnel
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await tunnel.run()
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RNS.log(str(owner)+ " endpoint setup complete. Now reachable at: "+str(i2p_dest.base32)+".b32.i2p", RNS.LOG_VERBOSE)
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asyncio.run_coroutine_threadsafe(tunnel_up(), self.loop).result()
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self.server_tunnels[i2p_b32] = True
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return True
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asyncio.run_coroutine_threadsafe(tunnel_up(), self.loop).result()
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self.server_tunnels[i2p_b32] = True
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except Exception as e:
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raise e
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except Exception as e:
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raise e
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else:
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i2ptunnel = self.i2plib_tunnels[i2p_b32]
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if hasattr(i2ptunnel, "status"):
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# TODO: Remove
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# RNS.log(str(i2ptunnel.status))
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i2p_exception = i2ptunnel.status["exception"]
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if i2ptunnel.status["setup_ran"] == False:
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RNS.log(str(self)+" I2P tunnel setup did not complete", RNS.LOG_ERROR)
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return False
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elif i2p_exception != None:
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RNS.log(str(self)+" An error ocurred while setting up I2P tunnel. The contained exception was: "+str(i2p_exception), RNS.LOG_ERROR)
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RNS.log("Resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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elif i2ptunnel.status["setup_failed"] == True:
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RNS.log(str(self)+" Unspecified I2P tunnel setup error, resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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else:
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RNS.log(str(self)+" Got no status from SAM API, resetting I2P tunnel", RNS.LOG_ERROR)
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return False
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time.sleep(5)
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@ -288,17 +352,21 @@ class I2PInterfacePeer(Interface):
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self.initiator = True
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self.bind_ip = "127.0.0.1"
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self.bind_port = self.parent_interface.i2p.get_free_port()
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self.local_addr = (self.bind_ip, self.bind_port)
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self.target_ip = self.bind_ip
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self.target_port = self.bind_port
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self.awaiting_i2p_tunnel = True
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def tunnel_job():
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while self.awaiting_i2p_tunnel:
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try:
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self.parent_interface.i2p.client_tunnel(self, target_i2p_dest)
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self.bind_port = self.parent_interface.i2p.get_free_port()
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self.local_addr = (self.bind_ip, self.bind_port)
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self.target_ip = self.bind_ip
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self.target_port = self.bind_port
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if not self.parent_interface.i2p.client_tunnel(self, target_i2p_dest):
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RNS.log(str(self)+" I2P control process experienced an error, requesting new tunnel...", RNS.LOG_ERROR)
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self.awaiting_i2p_tunnel = True
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except Exception as e:
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RNS.log("Error while while configuring "+str(self)+": "+str(e), RNS.LOG_ERROR)
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RNS.log("Check that I2P is installed and running, and that SAM is enabled. Retrying tunnel setup later.", RNS.LOG_ERROR)
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@ -646,11 +714,11 @@ class I2PInterface(Interface):
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if self.connectable:
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def tunnel_job():
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tunnel_ready = False
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while not tunnel_ready:
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while True:
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try:
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tunnel_ready = self.i2p.server_tunnel(self)
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self.online = True
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if not self.i2p.server_tunnel(self):
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RNS.log(str(self)+" I2P control process experienced an error, requesting new tunnel...", RNS.LOG_ERROR)
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self.online = False
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except Exception as e:
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RNS.log("Error while while configuring "+str(self)+": "+str(e), RNS.LOG_ERROR)
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43
RNS/vendor/i2plib/tunnel.py
vendored
43
RNS/vendor/i2plib/tunnel.py
vendored
@ -85,13 +85,16 @@ class ClientTunnel(I2PTunnel):
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"""A coroutine used to run the tunnel"""
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await self._pre_run()
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self.status = { "setup_ran": False, "setup_failed": False, "exception": None }
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self.status = { "setup_ran": False, "setup_failed": False, "exception": None, "connect_tasks": [] }
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async def handle_client(client_reader, client_writer):
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"""Handle local client connection"""
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try:
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remote_reader, remote_writer = await aiosam.stream_connect(
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sc_task = aiosam.stream_connect(
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self.session_name, self.remote_destination,
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sam_address=self.sam_address, loop=self.loop)
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self.status["connect_tasks"].append(sc_task)
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remote_reader, remote_writer = await sc_task
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asyncio.ensure_future(proxy_data(remote_reader, client_writer),
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loop=self.loop)
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asyncio.ensure_future(proxy_data(client_reader, remote_writer),
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@ -102,8 +105,15 @@ class ClientTunnel(I2PTunnel):
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self.status["setup_failed"] = True
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self.status["exception"] = e
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self.server = await asyncio.start_server(handle_client, *self.local_address)
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self.status["setup_ran"] = True
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try:
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self.server = await asyncio.start_server(handle_client, *self.local_address)
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self.status["setup_ran"] = True
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except Exception as e:
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self.status["setup_ran"] = True
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self.status["setup_failed"] = True
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self.status["exception"] = e
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def stop(self):
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super().stop()
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@ -125,26 +135,38 @@ class ServerTunnel(I2PTunnel):
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"""A coroutine used to run the tunnel"""
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await self._pre_run()
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self.status = { "setup_ran": False, "setup_failed": False, "exception": None, "connect_tasks": [] }
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async def handle_client(incoming, client_reader, client_writer):
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# data and dest may come in one chunk
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dest, data = incoming.split(b"\n", 1)
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remote_destination = sam.Destination(dest.decode())
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logger.debug("{} client connected: {}.b32.i2p".format(
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self.session_name, remote_destination.base32))
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try:
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# data and dest may come in one chunk
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dest, data = incoming.split(b"\n", 1)
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remote_destination = sam.Destination(dest.decode())
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logger.debug("{} client connected: {}.b32.i2p".format(
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self.session_name, remote_destination.base32))
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except Exception as e:
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self.status["exception"] = e
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self.status["setup_failed"] = True
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try:
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remote_reader, remote_writer = await asyncio.wait_for(
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sc_task = asyncio.wait_for(
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asyncio.open_connection(
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host=self.local_address[0],
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port=self.local_address[1]),
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timeout=5)
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self.status["connect_tasks"].append(sc_task)
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remote_reader, remote_writer = await sc_task
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if data: remote_writer.write(data)
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asyncio.ensure_future(proxy_data(remote_reader, client_writer),
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loop=self.loop)
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asyncio.ensure_future(proxy_data(client_reader, remote_writer),
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loop=self.loop)
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except ConnectionRefusedError:
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client_writer.close()
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self.status["exception"] = e
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self.status["setup_failed"] = True
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async def server_loop():
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try:
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@ -159,6 +181,7 @@ class ServerTunnel(I2PTunnel):
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pass
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self.server_loop = asyncio.ensure_future(server_loop(), loop=self.loop)
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self.status["setup_ran"] = True
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def stop(self):
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super().stop()
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