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Added auto reconnection for disconnected serial-based devices

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This commit is contained in:
Mark Qvist 2021-12-05 14:35:25 +01:00
parent ba39a69175
commit 8be1acee0a
4 changed files with 176 additions and 92 deletions
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86
RNS/Interfaces/AX25KISSInterface.py
View File

@ -58,6 +58,7 @@ class AX25KISSInterface(Interface):
self.rxb = 0
self.txb = 0
self.pyserial = serial
self.serial = None
self.owner = owner
self.name = name
@ -97,44 +98,48 @@ class AX25KISSInterface(Interface):
self.parity = serial.PARITY_ODD
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
self.open_port()
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring AX.25 KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("AX.25 KISS interface configured")
sleep(2)
self.configure_device()
else:
raise IOError("Could not open serial port")
def open_port(self):
RNS.log("Opening serial port "+self.port+"...", RNS.LOG_VERBOSE)
self.serial = self.pyserial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
def configure_device(self):
# Allow time for interface to initialise before config
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring AX.25 KISS interface parameters...")
self.setPreamble(self.preamble)
self.setTxTail(self.txtail)
self.setPersistence(self.persistence)
self.setSlotTime(self.slottime)
self.setFlowControl(self.flow_control)
self.interface_ready = True
RNS.log("AX.25 KISS interface configured")
def setPreamble(self, preamble):
preamble_ms = preamble
@ -315,10 +320,29 @@ class AX25KISSInterface(Interface):
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down. Restart Reticulum to attempt to open this interface again.", RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
if RNS.Reticulum.panic_on_interface_error:
RNS.panic()
RNS.log("Reticulum will attempt to reconnect the interface periodically.", RNS.LOG_ERROR)
self.online = False
self.serial.close()
self.reconnect_port()
def reconnect_port(self):
while not self.online:
try:
time.sleep(5)
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
self.open_port()
if self.serial.is_open:
self.configure_device()
except Exception as e:
RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("Reconnected serial port for "+str(self))
def __str__(self):
return "AX25KISSInterface["+self.name+"]"

10
RNS/Interfaces/KISSInterface.py
View File

@ -98,7 +98,7 @@ class KISSInterface(Interface):
def open_port(self):
RNS.log("Opening serial port "+self.port+"...")
RNS.log("Opening serial port "+self.port+"...", RNS.LOG_VERBOSE)
self.serial = self.pyserial.Serial(
port = self.port,
baudrate = self.speed,
@ -299,11 +299,13 @@ class KISSInterface(Interface):
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down. Restart Reticulum to attempt to open this interface again.", RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
if RNS.Reticulum.panic_on_interface_error:
RNS.panic()
RNS.log("Reticulum will attempt to reconnect the interface periodically.", RNS.LOG_ERROR)
self.online = False
self.serial.close()
self.reconnect_port()
@ -312,12 +314,14 @@ class KISSInterface(Interface):
while not self.online:
try:
time.sleep(5)
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...")
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
self.open_port()
if self.serial.is_open:
self.configure_device()
except Exception as e:
RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("Reconnected serial port for "+str(self))
def __str__(self):
return "KISSInterface["+self.name+"]"

93
RNS/Interfaces/RNodeInterface.py
View File

@ -82,6 +82,7 @@ class RNodeInterface(Interface):
self.rxb = 0
self.txb = 0
self.pyserial = serial
self.serial = None
self.owner = owner
self.name = name
@ -157,46 +158,53 @@ class RNodeInterface(Interface):
raise ValueError("The configuration for "+str(self)+" contains errors, interface is offline")
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
self.open_port()
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
self.initRadio()
if (self.validateRadioState()):
self.interface_ready = True
RNS.log(str(self)+" is configured and powered up")
sleep(1.0)
else:
RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
self.serial.close()
raise IOError("RNode interface did not pass validation")
self.configure_device()
else:
raise IOError("Could not open serial port")
def open_port(self):
RNS.log("Opening serial port "+self.port+"...")
self.serial = self.pyserial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
def configure_device(self):
sleep(2.0)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
RNS.log("Configuring RNode interface...", RNS.LOG_VERBOSE)
self.initRadio()
if (self.validateRadioState()):
self.interface_ready = True
RNS.log(str(self)+" is configured and powered up")
sleep(1.0)
else:
RNS.log("After configuring "+str(self)+", the reported radio parameters did not match your configuration.", RNS.LOG_ERROR)
RNS.log("Make sure that your hardware actually supports the parameters specified in the configuration", RNS.LOG_ERROR)
RNS.log("Aborting RNode startup", RNS.LOG_ERROR)
self.serial.close()
raise IOError("RNode interface did not pass validation")
def initRadio(self):
self.setFrequency()
@ -478,11 +486,30 @@ class RNodeInterface(Interface):
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down. Restart Reticulum to attempt to open this interface again.", RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
if RNS.Reticulum.panic_on_interface_error:
RNS.panic()
RNS.log("Reticulum will attempt to reconnect the interface periodically.", RNS.LOG_ERROR)
self.online = False
self.serial.close()
self.reconnect_port()
def reconnect_port(self):
while not self.online:
try:
time.sleep(5)
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
self.open_port()
if self.serial.is_open:
self.configure_device()
except Exception as e:
RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("Reconnected serial port for "+str(self))
def __str__(self):
return "RNodeInterface["+self.name+"]"

71
RNS/Interfaces/SerialInterface.py
View File

@ -41,6 +41,7 @@ class SerialInterface(Interface):
self.rxb = 0
self.txb = 0
self.pyserial = serial
self.serial = None
self.owner = owner
self.name = name
@ -59,35 +60,43 @@ class SerialInterface(Interface):
self.parity = serial.PARITY_ODD
try:
RNS.log("Opening serial port "+self.port+"...")
self.serial = serial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
self.open_port()
except Exception as e:
RNS.log("Could not open serial port for interface "+str(self), RNS.LOG_ERROR)
raise e
if self.serial.is_open:
sleep(0.5)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
self.configure_device()
else:
raise IOError("Could not open serial port")
def open_port(self):
RNS.log("Opening serial port "+self.port+"...", RNS.LOG_VERBOSE)
self.serial = self.pyserial.Serial(
port = self.port,
baudrate = self.speed,
bytesize = self.databits,
parity = self.parity,
stopbits = self.stopbits,
xonxoff = False,
rtscts = False,
timeout = 0,
inter_byte_timeout = None,
write_timeout = None,
dsrdtr = False,
)
def configure_device(self):
sleep(0.5)
thread = threading.Thread(target=self.readLoop)
thread.setDaemon(True)
thread.start()
self.online = True
RNS.log("Serial port "+self.port+" is now open")
def processIncoming(self, data):
self.rxb += len(data)
self.owner.inbound(data, self)
@ -139,13 +148,33 @@ class SerialInterface(Interface):
in_frame = False
escape = False
sleep(0.08)
except Exception as e:
self.online = False
RNS.log("A serial port error occurred, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is being torn down. Restart Reticulum to attempt to open this interface again.", RNS.LOG_ERROR)
RNS.log("The interface "+str(self)+" experienced an unrecoverable error and is now offline.", RNS.LOG_ERROR)
if RNS.Reticulum.panic_on_interface_error:
RNS.panic()
RNS.log("Reticulum will attempt to reconnect the interface periodically.", RNS.LOG_ERROR)
self.online = False
self.serial.close()
self.reconnect_port()
def reconnect_port(self):
while not self.online:
try:
time.sleep(5)
RNS.log("Attempting to reconnect serial port "+str(self.port)+" for "+str(self)+"...", RNS.LOG_VERBOSE)
self.open_port()
if self.serial.is_open:
self.configure_device()
except Exception as e:
RNS.log("Error while reconnecting port, the contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("Reconnected serial port for "+str(self))
def __str__(self):
return "SerialInterface["+self.name+"]"