Module meshtastic.node
Node class
Expand source code
"""Node class
"""
import logging
import base64
from google.protobuf.json_format import MessageToJson
from meshtastic import portnums_pb2, apponly_pb2, admin_pb2, channel_pb2
from meshtastic.util import pskToString, stripnl, Timeout, our_exit, fromPSK
class Node:
"""A model of a (local or remote) node in the mesh
Includes methods for radioConfig and channels
"""
def __init__(self, iface, nodeNum, noProto=False):
"""Constructor"""
self.iface = iface
self.nodeNum = nodeNum
self.radioConfig = None
self.channels = None
self._timeout = Timeout(maxSecs=300)
self.partialChannels = None
self.noProto = noProto
def showChannels(self):
"""Show human readable description of our channels."""
print("Channels:")
if self.channels:
logging.debug(f'self.channels:{self.channels}')
for c in self.channels:
#print('c.settings.psk:', c.settings.psk)
cStr = stripnl(MessageToJson(c.settings))
# only show if there is no psk (meaning disabled channel)
if c.settings.psk:
print(f" {channel_pb2.Channel.Role.Name(c.role)} psk={pskToString(c.settings.psk)} {cStr}")
publicURL = self.getURL(includeAll=False)
adminURL = self.getURL(includeAll=True)
print(f"\nPrimary channel URL: {publicURL}")
if adminURL != publicURL:
print(f"Complete URL (includes all channels): {adminURL}")
def showInfo(self):
"""Show human readable description of our node"""
prefs = ""
if self.radioConfig and self.radioConfig.preferences:
prefs = stripnl(MessageToJson(self.radioConfig.preferences))
print(f"Preferences: {prefs}\n")
self.showChannels()
def requestConfig(self):
"""Send regular MeshPackets to ask for settings and channels."""
logging.debug(f"requestConfig for nodeNum:{self.nodeNum}")
self.radioConfig = None
self.channels = None
self.partialChannels = [] # We keep our channels in a temp array until finished
self._requestSettings()
def turnOffEncryptionOnPrimaryChannel(self):
"""Turn off encryption on primary channel."""
self.channels[0].settings.psk = fromPSK("none")
print("Writing modified channels to device")
self.writeChannel(0)
def waitForConfig(self):
"""Block until radio config is received. Returns True if config has been received."""
return self._timeout.waitForSet(self, attrs=('radioConfig', 'channels'))
def writeConfig(self):
"""Write the current (edited) radioConfig to the device"""
if self.radioConfig is None:
our_exit("Error: No RadioConfig has been read")
p = admin_pb2.AdminMessage()
p.set_radio.CopyFrom(self.radioConfig)
self._sendAdmin(p)
logging.debug("Wrote config")
def writeChannel(self, channelIndex, adminIndex=0):
"""Write the current (edited) channel to the device"""
p = admin_pb2.AdminMessage()
p.set_channel.CopyFrom(self.channels[channelIndex])
self._sendAdmin(p, adminIndex=adminIndex)
logging.debug(f"Wrote channel {channelIndex}")
def getChannelByChannelIndex(self, channelIndex):
"""Get channel by channelIndex
channelIndex: number, typically 0-7; based on max number channels
returns: None if there is no channel found
"""
ch = None
if self.channels and 0 <= channelIndex < len(self.channels):
ch = self.channels[channelIndex]
return ch
def deleteChannel(self, channelIndex):
"""Delete the specifed channelIndex and shift other channels up"""
ch = self.channels[channelIndex]
if ch.role not in (channel_pb2.Channel.Role.SECONDARY, channel_pb2.Channel.Role.DISABLED):
our_exit("Warning: Only SECONDARY channels can be deleted")
# we are careful here because if we move the "admin" channel the channelIndex we need to use
# for sending admin channels will also change
adminIndex = self.iface.localNode._getAdminChannelIndex()
self.channels.pop(channelIndex)
self._fixupChannels() # expand back to 8 channels
index = channelIndex
while index < self.iface.myInfo.max_channels:
self.writeChannel(index, adminIndex=adminIndex)
index += 1
# if we are updating the local node, we might end up
# *moving* the admin channel index as we are writing
if (self.iface.localNode == self) and index >= adminIndex:
# We've now passed the old location for admin index
# (and written it), so we can start finding it by name again
adminIndex = 0
def getChannelByName(self, name):
"""Try to find the named channel or return None"""
for c in (self.channels or []):
if c.settings and c.settings.name == name:
return c
return None
def getDisabledChannel(self):
"""Return the first channel that is disabled (i.e. available for some new use)"""
for c in self.channels:
if c.role == channel_pb2.Channel.Role.DISABLED:
return c
return None
def _getAdminChannelIndex(self):
"""Return the channel number of the admin channel, or 0 if no reserved channel"""
c = self.getChannelByName("admin")
if c:
return c.index
else:
return 0
def setOwner(self, long_name=None, short_name=None, is_licensed=False, team=None):
"""Set device owner name"""
logging.debug(f"in setOwner nodeNum:{self.nodeNum}")
nChars = 3
minChars = 2
if long_name is not None:
long_name = long_name.strip()
if short_name is None:
words = long_name.split()
if len(long_name) <= nChars:
short_name = long_name
elif len(words) >= minChars:
short_name = ''.join(map(lambda word: word[0], words))
else:
trans = str.maketrans(dict.fromkeys('aeiouAEIOU'))
short_name = long_name[0] + long_name[1:].translate(trans)
if len(short_name) < nChars:
short_name = long_name[:nChars]
p = admin_pb2.AdminMessage()
if long_name is not None:
p.set_owner.long_name = long_name
if short_name is not None:
short_name = short_name.strip()
if len(short_name) > nChars:
short_name = short_name[:nChars]
p.set_owner.short_name = short_name
p.set_owner.is_licensed = is_licensed
if team is not None:
p.set_owner.team = team
# Note: These debug lines are used in unit tests
logging.debug(f'p.set_owner.long_name:{p.set_owner.long_name}:')
logging.debug(f'p.set_owner.short_name:{p.set_owner.short_name}:')
logging.debug(f'p.set_owner.is_licensed:{p.set_owner.is_licensed}')
logging.debug(f'p.set_owner.team:{p.set_owner.team}')
return self._sendAdmin(p)
def getURL(self, includeAll: bool = True):
"""The sharable URL that describes the current channel"""
# Only keep the primary/secondary channels, assume primary is first
channelSet = apponly_pb2.ChannelSet()
if self.channels:
for c in self.channels:
if c.role == channel_pb2.Channel.Role.PRIMARY or (includeAll and c.role == channel_pb2.Channel.Role.SECONDARY):
channelSet.settings.append(c.settings)
some_bytes = channelSet.SerializeToString()
s = base64.urlsafe_b64encode(some_bytes).decode('ascii')
return f"https://www.meshtastic.org/d/#{s}".replace("=", "")
def setURL(self, url):
"""Set mesh network URL"""
if self.radioConfig is None:
our_exit("Warning: No RadioConfig has been read")
# URLs are of the form https://www.meshtastic.org/d/#{base64_channel_set}
# Split on '/#' to find the base64 encoded channel settings
splitURL = url.split("/#")
b64 = splitURL[-1]
# We normally strip padding to make for a shorter URL, but the python parser doesn't like
# that. So add back any missing padding
# per https://stackoverflow.com/a/9807138
missing_padding = len(b64) % 4
if missing_padding:
b64 += '=' * (4 - missing_padding)
decodedURL = base64.urlsafe_b64decode(b64)
channelSet = apponly_pb2.ChannelSet()
channelSet.ParseFromString(decodedURL)
if len(channelSet.settings) == 0:
our_exit("Warning: There were no settings.")
i = 0
for chs in channelSet.settings:
ch = channel_pb2.Channel()
ch.role = channel_pb2.Channel.Role.PRIMARY if i == 0 else channel_pb2.Channel.Role.SECONDARY
ch.index = i
ch.settings.CopyFrom(chs)
self.channels[ch.index] = ch
logging.debug(f'Channel i:{i} ch:{ch}')
self.writeChannel(ch.index)
i = i + 1
def onResponseRequestSettings(self, p):
"""Handle the response packet for requesting settings _requestSettings()"""
logging.debug(f'onResponseRequestSetting() p:{p}')
errorFound = False
if 'routing' in p["decoded"]:
if p["decoded"]["routing"]["errorReason"] != "NONE":
errorFound = True
print(f'Error on response: {p["decoded"]["routing"]["errorReason"]}')
if errorFound is False:
self.radioConfig = p["decoded"]["admin"]["raw"].get_radio_response
logging.debug(f'self.radioConfig:{self.radioConfig}')
logging.debug("Received radio config, now fetching channels...")
self._timeout.reset() # We made foreward progress
self._requestChannel(0) # now start fetching channels
def _requestSettings(self):
"""Done with initial config messages, now send regular
MeshPackets to ask for settings."""
p = admin_pb2.AdminMessage()
p.get_radio_request = True
# TODO: should we check that localNode has an 'admin' channel?
# Show progress message for super slow operations
if self != self.iface.localNode:
print("Requesting preferences from remote node.")
print("Be sure:")
print(" 1. There is a SECONDARY channel named 'admin'.")
print(" 2. The '--seturl' was used to configure.")
print(" 3. All devices have the same modem config. (i.e., '--ch-longfast')")
print(" 4. All devices have been rebooted after all of the above. (optional, but recommended)")
print("Note: This could take a while (it requests remote channel configs, then writes config)")
return self._sendAdmin(p, wantResponse=True, onResponse=self.onResponseRequestSettings)
def exitSimulator(self):
"""Tell a simulator node to exit (this message
is ignored for other nodes)"""
p = admin_pb2.AdminMessage()
p.exit_simulator = True
logging.debug('in exitSimulator()')
return self._sendAdmin(p)
def reboot(self, secs: int = 10):
"""Tell the node to reboot."""
p = admin_pb2.AdminMessage()
p.reboot_seconds = secs
logging.info(f"Telling node to reboot in {secs} seconds")
return self._sendAdmin(p)
def shutdown(self, secs: int = 10):
"""Tell the node to shutdown."""
p = admin_pb2.AdminMessage()
p.shutdown_seconds = secs
logging.info(f"Telling node to shutdown in {secs} seconds")
return self._sendAdmin(p)
def _fixupChannels(self):
"""Fixup indexes and add disabled channels as needed"""
# Add extra disabled channels as needed
# TODO: These 2 lines seem to not do anything.
for index, ch in enumerate(self.channels):
ch.index = index # fixup indexes
self._fillChannels()
def _fillChannels(self):
"""Mark unused channels as disabled"""
# Add extra disabled channels as needed
index = len(self.channels)
while index < self.iface.myInfo.max_channels:
ch = channel_pb2.Channel()
ch.role = channel_pb2.Channel.Role.DISABLED
ch.index = index
self.channels.append(ch)
index += 1
def onResponseRequestChannel(self, p):
"""Handle the response packet for requesting a channel _requestChannel()"""
logging.debug(f'onResponseRequestChannel() p:{p}')
c = p["decoded"]["admin"]["raw"].get_channel_response
self.partialChannels.append(c)
self._timeout.reset() # We made foreward progress
logging.debug(f"Received channel {stripnl(c)}")
index = c.index
# for stress testing, we can always download all channels
fastChannelDownload = True
# Once we see a response that has NO settings, assume
# we are at the end of channels and stop fetching
quitEarly = (c.role == channel_pb2.Channel.Role.DISABLED) and fastChannelDownload
if quitEarly or index >= self.iface.myInfo.max_channels - 1:
logging.debug("Finished downloading channels")
self.channels = self.partialChannels
self._fixupChannels()
# FIXME, the following should only be called after we have settings and channels
self.iface._connected() # Tell everyone else we are ready to go
else:
self._requestChannel(index + 1)
def _requestChannel(self, channelNum: int):
"""Done with initial config messages, now send regular
MeshPackets to ask for settings"""
p = admin_pb2.AdminMessage()
p.get_channel_request = channelNum + 1
# Show progress message for super slow operations
if self != self.iface.localNode:
print(f"Requesting channel {channelNum} info from remote node (this could take a while)")
logging.debug(f"Requesting channel {channelNum} info from remote node (this could take a while)")
else:
logging.debug(f"Requesting channel {channelNum}")
return self._sendAdmin(p, wantResponse=True, onResponse=self.onResponseRequestChannel)
# pylint: disable=R1710
def _sendAdmin(self, p: admin_pb2.AdminMessage, wantResponse=False,
onResponse=None, adminIndex=0):
"""Send an admin message to the specified node (or the local node if destNodeNum is zero)"""
if self.noProto:
logging.warning(f"Not sending packet because protocol use is disabled by noProto")
else:
if adminIndex == 0: # unless a special channel index was used, we want to use the admin index
adminIndex = self.iface.localNode._getAdminChannelIndex()
logging.debug(f'adminIndex:{adminIndex}')
return self.iface.sendData(p, self.nodeNum,
portNum=portnums_pb2.PortNum.ADMIN_APP,
wantAck=True,
wantResponse=wantResponse,
onResponse=onResponse,
channelIndex=adminIndex)Classes
class Node (iface, nodeNum, noProto=False)-
A model of a (local or remote) node in the mesh
Includes methods for radioConfig and channels
Constructor
Expand source code
class Node: """A model of a (local or remote) node in the mesh Includes methods for radioConfig and channels """ def __init__(self, iface, nodeNum, noProto=False): """Constructor""" self.iface = iface self.nodeNum = nodeNum self.radioConfig = None self.channels = None self._timeout = Timeout(maxSecs=300) self.partialChannels = None self.noProto = noProto def showChannels(self): """Show human readable description of our channels.""" print("Channels:") if self.channels: logging.debug(f'self.channels:{self.channels}') for c in self.channels: #print('c.settings.psk:', c.settings.psk) cStr = stripnl(MessageToJson(c.settings)) # only show if there is no psk (meaning disabled channel) if c.settings.psk: print(f" {channel_pb2.Channel.Role.Name(c.role)} psk={pskToString(c.settings.psk)} {cStr}") publicURL = self.getURL(includeAll=False) adminURL = self.getURL(includeAll=True) print(f"\nPrimary channel URL: {publicURL}") if adminURL != publicURL: print(f"Complete URL (includes all channels): {adminURL}") def showInfo(self): """Show human readable description of our node""" prefs = "" if self.radioConfig and self.radioConfig.preferences: prefs = stripnl(MessageToJson(self.radioConfig.preferences)) print(f"Preferences: {prefs}\n") self.showChannels() def requestConfig(self): """Send regular MeshPackets to ask for settings and channels.""" logging.debug(f"requestConfig for nodeNum:{self.nodeNum}") self.radioConfig = None self.channels = None self.partialChannels = [] # We keep our channels in a temp array until finished self._requestSettings() def turnOffEncryptionOnPrimaryChannel(self): """Turn off encryption on primary channel.""" self.channels[0].settings.psk = fromPSK("none") print("Writing modified channels to device") self.writeChannel(0) def waitForConfig(self): """Block until radio config is received. Returns True if config has been received.""" return self._timeout.waitForSet(self, attrs=('radioConfig', 'channels')) def writeConfig(self): """Write the current (edited) radioConfig to the device""" if self.radioConfig is None: our_exit("Error: No RadioConfig has been read") p = admin_pb2.AdminMessage() p.set_radio.CopyFrom(self.radioConfig) self._sendAdmin(p) logging.debug("Wrote config") def writeChannel(self, channelIndex, adminIndex=0): """Write the current (edited) channel to the device""" p = admin_pb2.AdminMessage() p.set_channel.CopyFrom(self.channels[channelIndex]) self._sendAdmin(p, adminIndex=adminIndex) logging.debug(f"Wrote channel {channelIndex}") def getChannelByChannelIndex(self, channelIndex): """Get channel by channelIndex channelIndex: number, typically 0-7; based on max number channels returns: None if there is no channel found """ ch = None if self.channels and 0 <= channelIndex < len(self.channels): ch = self.channels[channelIndex] return ch def deleteChannel(self, channelIndex): """Delete the specifed channelIndex and shift other channels up""" ch = self.channels[channelIndex] if ch.role not in (channel_pb2.Channel.Role.SECONDARY, channel_pb2.Channel.Role.DISABLED): our_exit("Warning: Only SECONDARY channels can be deleted") # we are careful here because if we move the "admin" channel the channelIndex we need to use # for sending admin channels will also change adminIndex = self.iface.localNode._getAdminChannelIndex() self.channels.pop(channelIndex) self._fixupChannels() # expand back to 8 channels index = channelIndex while index < self.iface.myInfo.max_channels: self.writeChannel(index, adminIndex=adminIndex) index += 1 # if we are updating the local node, we might end up # *moving* the admin channel index as we are writing if (self.iface.localNode == self) and index >= adminIndex: # We've now passed the old location for admin index # (and written it), so we can start finding it by name again adminIndex = 0 def getChannelByName(self, name): """Try to find the named channel or return None""" for c in (self.channels or []): if c.settings and c.settings.name == name: return c return None def getDisabledChannel(self): """Return the first channel that is disabled (i.e. available for some new use)""" for c in self.channels: if c.role == channel_pb2.Channel.Role.DISABLED: return c return None def _getAdminChannelIndex(self): """Return the channel number of the admin channel, or 0 if no reserved channel""" c = self.getChannelByName("admin") if c: return c.index else: return 0 def setOwner(self, long_name=None, short_name=None, is_licensed=False, team=None): """Set device owner name""" logging.debug(f"in setOwner nodeNum:{self.nodeNum}") nChars = 3 minChars = 2 if long_name is not None: long_name = long_name.strip() if short_name is None: words = long_name.split() if len(long_name) <= nChars: short_name = long_name elif len(words) >= minChars: short_name = ''.join(map(lambda word: word[0], words)) else: trans = str.maketrans(dict.fromkeys('aeiouAEIOU')) short_name = long_name[0] + long_name[1:].translate(trans) if len(short_name) < nChars: short_name = long_name[:nChars] p = admin_pb2.AdminMessage() if long_name is not None: p.set_owner.long_name = long_name if short_name is not None: short_name = short_name.strip() if len(short_name) > nChars: short_name = short_name[:nChars] p.set_owner.short_name = short_name p.set_owner.is_licensed = is_licensed if team is not None: p.set_owner.team = team # Note: These debug lines are used in unit tests logging.debug(f'p.set_owner.long_name:{p.set_owner.long_name}:') logging.debug(f'p.set_owner.short_name:{p.set_owner.short_name}:') logging.debug(f'p.set_owner.is_licensed:{p.set_owner.is_licensed}') logging.debug(f'p.set_owner.team:{p.set_owner.team}') return self._sendAdmin(p) def getURL(self, includeAll: bool = True): """The sharable URL that describes the current channel""" # Only keep the primary/secondary channels, assume primary is first channelSet = apponly_pb2.ChannelSet() if self.channels: for c in self.channels: if c.role == channel_pb2.Channel.Role.PRIMARY or (includeAll and c.role == channel_pb2.Channel.Role.SECONDARY): channelSet.settings.append(c.settings) some_bytes = channelSet.SerializeToString() s = base64.urlsafe_b64encode(some_bytes).decode('ascii') return f"https://www.meshtastic.org/d/#{s}".replace("=", "") def setURL(self, url): """Set mesh network URL""" if self.radioConfig is None: our_exit("Warning: No RadioConfig has been read") # URLs are of the form https://www.meshtastic.org/d/#{base64_channel_set} # Split on '/#' to find the base64 encoded channel settings splitURL = url.split("/#") b64 = splitURL[-1] # We normally strip padding to make for a shorter URL, but the python parser doesn't like # that. So add back any missing padding # per https://stackoverflow.com/a/9807138 missing_padding = len(b64) % 4 if missing_padding: b64 += '=' * (4 - missing_padding) decodedURL = base64.urlsafe_b64decode(b64) channelSet = apponly_pb2.ChannelSet() channelSet.ParseFromString(decodedURL) if len(channelSet.settings) == 0: our_exit("Warning: There were no settings.") i = 0 for chs in channelSet.settings: ch = channel_pb2.Channel() ch.role = channel_pb2.Channel.Role.PRIMARY if i == 0 else channel_pb2.Channel.Role.SECONDARY ch.index = i ch.settings.CopyFrom(chs) self.channels[ch.index] = ch logging.debug(f'Channel i:{i} ch:{ch}') self.writeChannel(ch.index) i = i + 1 def onResponseRequestSettings(self, p): """Handle the response packet for requesting settings _requestSettings()""" logging.debug(f'onResponseRequestSetting() p:{p}') errorFound = False if 'routing' in p["decoded"]: if p["decoded"]["routing"]["errorReason"] != "NONE": errorFound = True print(f'Error on response: {p["decoded"]["routing"]["errorReason"]}') if errorFound is False: self.radioConfig = p["decoded"]["admin"]["raw"].get_radio_response logging.debug(f'self.radioConfig:{self.radioConfig}') logging.debug("Received radio config, now fetching channels...") self._timeout.reset() # We made foreward progress self._requestChannel(0) # now start fetching channels def _requestSettings(self): """Done with initial config messages, now send regular MeshPackets to ask for settings.""" p = admin_pb2.AdminMessage() p.get_radio_request = True # TODO: should we check that localNode has an 'admin' channel? # Show progress message for super slow operations if self != self.iface.localNode: print("Requesting preferences from remote node.") print("Be sure:") print(" 1. There is a SECONDARY channel named 'admin'.") print(" 2. The '--seturl' was used to configure.") print(" 3. All devices have the same modem config. (i.e., '--ch-longfast')") print(" 4. All devices have been rebooted after all of the above. (optional, but recommended)") print("Note: This could take a while (it requests remote channel configs, then writes config)") return self._sendAdmin(p, wantResponse=True, onResponse=self.onResponseRequestSettings) def exitSimulator(self): """Tell a simulator node to exit (this message is ignored for other nodes)""" p = admin_pb2.AdminMessage() p.exit_simulator = True logging.debug('in exitSimulator()') return self._sendAdmin(p) def reboot(self, secs: int = 10): """Tell the node to reboot.""" p = admin_pb2.AdminMessage() p.reboot_seconds = secs logging.info(f"Telling node to reboot in {secs} seconds") return self._sendAdmin(p) def shutdown(self, secs: int = 10): """Tell the node to shutdown.""" p = admin_pb2.AdminMessage() p.shutdown_seconds = secs logging.info(f"Telling node to shutdown in {secs} seconds") return self._sendAdmin(p) def _fixupChannels(self): """Fixup indexes and add disabled channels as needed""" # Add extra disabled channels as needed # TODO: These 2 lines seem to not do anything. for index, ch in enumerate(self.channels): ch.index = index # fixup indexes self._fillChannels() def _fillChannels(self): """Mark unused channels as disabled""" # Add extra disabled channels as needed index = len(self.channels) while index < self.iface.myInfo.max_channels: ch = channel_pb2.Channel() ch.role = channel_pb2.Channel.Role.DISABLED ch.index = index self.channels.append(ch) index += 1 def onResponseRequestChannel(self, p): """Handle the response packet for requesting a channel _requestChannel()""" logging.debug(f'onResponseRequestChannel() p:{p}') c = p["decoded"]["admin"]["raw"].get_channel_response self.partialChannels.append(c) self._timeout.reset() # We made foreward progress logging.debug(f"Received channel {stripnl(c)}") index = c.index # for stress testing, we can always download all channels fastChannelDownload = True # Once we see a response that has NO settings, assume # we are at the end of channels and stop fetching quitEarly = (c.role == channel_pb2.Channel.Role.DISABLED) and fastChannelDownload if quitEarly or index >= self.iface.myInfo.max_channels - 1: logging.debug("Finished downloading channels") self.channels = self.partialChannels self._fixupChannels() # FIXME, the following should only be called after we have settings and channels self.iface._connected() # Tell everyone else we are ready to go else: self._requestChannel(index + 1) def _requestChannel(self, channelNum: int): """Done with initial config messages, now send regular MeshPackets to ask for settings""" p = admin_pb2.AdminMessage() p.get_channel_request = channelNum + 1 # Show progress message for super slow operations if self != self.iface.localNode: print(f"Requesting channel {channelNum} info from remote node (this could take a while)") logging.debug(f"Requesting channel {channelNum} info from remote node (this could take a while)") else: logging.debug(f"Requesting channel {channelNum}") return self._sendAdmin(p, wantResponse=True, onResponse=self.onResponseRequestChannel) # pylint: disable=R1710 def _sendAdmin(self, p: admin_pb2.AdminMessage, wantResponse=False, onResponse=None, adminIndex=0): """Send an admin message to the specified node (or the local node if destNodeNum is zero)""" if self.noProto: logging.warning(f"Not sending packet because protocol use is disabled by noProto") else: if adminIndex == 0: # unless a special channel index was used, we want to use the admin index adminIndex = self.iface.localNode._getAdminChannelIndex() logging.debug(f'adminIndex:{adminIndex}') return self.iface.sendData(p, self.nodeNum, portNum=portnums_pb2.PortNum.ADMIN_APP, wantAck=True, wantResponse=wantResponse, onResponse=onResponse, channelIndex=adminIndex)Methods
def deleteChannel(self, channelIndex)-
Delete the specifed channelIndex and shift other channels up
Expand source code
def deleteChannel(self, channelIndex): """Delete the specifed channelIndex and shift other channels up""" ch = self.channels[channelIndex] if ch.role not in (channel_pb2.Channel.Role.SECONDARY, channel_pb2.Channel.Role.DISABLED): our_exit("Warning: Only SECONDARY channels can be deleted") # we are careful here because if we move the "admin" channel the channelIndex we need to use # for sending admin channels will also change adminIndex = self.iface.localNode._getAdminChannelIndex() self.channels.pop(channelIndex) self._fixupChannels() # expand back to 8 channels index = channelIndex while index < self.iface.myInfo.max_channels: self.writeChannel(index, adminIndex=adminIndex) index += 1 # if we are updating the local node, we might end up # *moving* the admin channel index as we are writing if (self.iface.localNode == self) and index >= adminIndex: # We've now passed the old location for admin index # (and written it), so we can start finding it by name again adminIndex = 0 def exitSimulator(self)-
Tell a simulator node to exit (this message is ignored for other nodes)
Expand source code
def exitSimulator(self): """Tell a simulator node to exit (this message is ignored for other nodes)""" p = admin_pb2.AdminMessage() p.exit_simulator = True logging.debug('in exitSimulator()') return self._sendAdmin(p) def getChannelByChannelIndex(self, channelIndex)-
Get channel by channelIndex channelIndex: number, typically 0-7; based on max number channels returns: None if there is no channel found
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def getChannelByChannelIndex(self, channelIndex): """Get channel by channelIndex channelIndex: number, typically 0-7; based on max number channels returns: None if there is no channel found """ ch = None if self.channels and 0 <= channelIndex < len(self.channels): ch = self.channels[channelIndex] return ch def getChannelByName(self, name)-
Try to find the named channel or return None
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def getChannelByName(self, name): """Try to find the named channel or return None""" for c in (self.channels or []): if c.settings and c.settings.name == name: return c return None def getDisabledChannel(self)-
Return the first channel that is disabled (i.e. available for some new use)
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def getDisabledChannel(self): """Return the first channel that is disabled (i.e. available for some new use)""" for c in self.channels: if c.role == channel_pb2.Channel.Role.DISABLED: return c return None def getURL(self, includeAll: bool = True)-
The sharable URL that describes the current channel
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def getURL(self, includeAll: bool = True): """The sharable URL that describes the current channel""" # Only keep the primary/secondary channels, assume primary is first channelSet = apponly_pb2.ChannelSet() if self.channels: for c in self.channels: if c.role == channel_pb2.Channel.Role.PRIMARY or (includeAll and c.role == channel_pb2.Channel.Role.SECONDARY): channelSet.settings.append(c.settings) some_bytes = channelSet.SerializeToString() s = base64.urlsafe_b64encode(some_bytes).decode('ascii') return f"https://www.meshtastic.org/d/#{s}".replace("=", "") def onResponseRequestChannel(self, p)-
Handle the response packet for requesting a channel _requestChannel()
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def onResponseRequestChannel(self, p): """Handle the response packet for requesting a channel _requestChannel()""" logging.debug(f'onResponseRequestChannel() p:{p}') c = p["decoded"]["admin"]["raw"].get_channel_response self.partialChannels.append(c) self._timeout.reset() # We made foreward progress logging.debug(f"Received channel {stripnl(c)}") index = c.index # for stress testing, we can always download all channels fastChannelDownload = True # Once we see a response that has NO settings, assume # we are at the end of channels and stop fetching quitEarly = (c.role == channel_pb2.Channel.Role.DISABLED) and fastChannelDownload if quitEarly or index >= self.iface.myInfo.max_channels - 1: logging.debug("Finished downloading channels") self.channels = self.partialChannels self._fixupChannels() # FIXME, the following should only be called after we have settings and channels self.iface._connected() # Tell everyone else we are ready to go else: self._requestChannel(index + 1) def onResponseRequestSettings(self, p)-
Handle the response packet for requesting settings _requestSettings()
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def onResponseRequestSettings(self, p): """Handle the response packet for requesting settings _requestSettings()""" logging.debug(f'onResponseRequestSetting() p:{p}') errorFound = False if 'routing' in p["decoded"]: if p["decoded"]["routing"]["errorReason"] != "NONE": errorFound = True print(f'Error on response: {p["decoded"]["routing"]["errorReason"]}') if errorFound is False: self.radioConfig = p["decoded"]["admin"]["raw"].get_radio_response logging.debug(f'self.radioConfig:{self.radioConfig}') logging.debug("Received radio config, now fetching channels...") self._timeout.reset() # We made foreward progress self._requestChannel(0) # now start fetching channels def reboot(self, secs: int = 10)-
Tell the node to reboot.
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def reboot(self, secs: int = 10): """Tell the node to reboot.""" p = admin_pb2.AdminMessage() p.reboot_seconds = secs logging.info(f"Telling node to reboot in {secs} seconds") return self._sendAdmin(p) def requestConfig(self)-
Send regular MeshPackets to ask for settings and channels.
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def requestConfig(self): """Send regular MeshPackets to ask for settings and channels.""" logging.debug(f"requestConfig for nodeNum:{self.nodeNum}") self.radioConfig = None self.channels = None self.partialChannels = [] # We keep our channels in a temp array until finished self._requestSettings() def setOwner(self, long_name=None, short_name=None, is_licensed=False, team=None)-
Set device owner name
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def setOwner(self, long_name=None, short_name=None, is_licensed=False, team=None): """Set device owner name""" logging.debug(f"in setOwner nodeNum:{self.nodeNum}") nChars = 3 minChars = 2 if long_name is not None: long_name = long_name.strip() if short_name is None: words = long_name.split() if len(long_name) <= nChars: short_name = long_name elif len(words) >= minChars: short_name = ''.join(map(lambda word: word[0], words)) else: trans = str.maketrans(dict.fromkeys('aeiouAEIOU')) short_name = long_name[0] + long_name[1:].translate(trans) if len(short_name) < nChars: short_name = long_name[:nChars] p = admin_pb2.AdminMessage() if long_name is not None: p.set_owner.long_name = long_name if short_name is not None: short_name = short_name.strip() if len(short_name) > nChars: short_name = short_name[:nChars] p.set_owner.short_name = short_name p.set_owner.is_licensed = is_licensed if team is not None: p.set_owner.team = team # Note: These debug lines are used in unit tests logging.debug(f'p.set_owner.long_name:{p.set_owner.long_name}:') logging.debug(f'p.set_owner.short_name:{p.set_owner.short_name}:') logging.debug(f'p.set_owner.is_licensed:{p.set_owner.is_licensed}') logging.debug(f'p.set_owner.team:{p.set_owner.team}') return self._sendAdmin(p) def setURL(self, url)-
Set mesh network URL
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def setURL(self, url): """Set mesh network URL""" if self.radioConfig is None: our_exit("Warning: No RadioConfig has been read") # URLs are of the form https://www.meshtastic.org/d/#{base64_channel_set} # Split on '/#' to find the base64 encoded channel settings splitURL = url.split("/#") b64 = splitURL[-1] # We normally strip padding to make for a shorter URL, but the python parser doesn't like # that. So add back any missing padding # per https://stackoverflow.com/a/9807138 missing_padding = len(b64) % 4 if missing_padding: b64 += '=' * (4 - missing_padding) decodedURL = base64.urlsafe_b64decode(b64) channelSet = apponly_pb2.ChannelSet() channelSet.ParseFromString(decodedURL) if len(channelSet.settings) == 0: our_exit("Warning: There were no settings.") i = 0 for chs in channelSet.settings: ch = channel_pb2.Channel() ch.role = channel_pb2.Channel.Role.PRIMARY if i == 0 else channel_pb2.Channel.Role.SECONDARY ch.index = i ch.settings.CopyFrom(chs) self.channels[ch.index] = ch logging.debug(f'Channel i:{i} ch:{ch}') self.writeChannel(ch.index) i = i + 1 def showChannels(self)-
Show human readable description of our channels.
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def showChannels(self): """Show human readable description of our channels.""" print("Channels:") if self.channels: logging.debug(f'self.channels:{self.channels}') for c in self.channels: #print('c.settings.psk:', c.settings.psk) cStr = stripnl(MessageToJson(c.settings)) # only show if there is no psk (meaning disabled channel) if c.settings.psk: print(f" {channel_pb2.Channel.Role.Name(c.role)} psk={pskToString(c.settings.psk)} {cStr}") publicURL = self.getURL(includeAll=False) adminURL = self.getURL(includeAll=True) print(f"\nPrimary channel URL: {publicURL}") if adminURL != publicURL: print(f"Complete URL (includes all channels): {adminURL}") def showInfo(self)-
Show human readable description of our node
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def showInfo(self): """Show human readable description of our node""" prefs = "" if self.radioConfig and self.radioConfig.preferences: prefs = stripnl(MessageToJson(self.radioConfig.preferences)) print(f"Preferences: {prefs}\n") self.showChannels() def shutdown(self, secs: int = 10)-
Tell the node to shutdown.
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def shutdown(self, secs: int = 10): """Tell the node to shutdown.""" p = admin_pb2.AdminMessage() p.shutdown_seconds = secs logging.info(f"Telling node to shutdown in {secs} seconds") return self._sendAdmin(p) def turnOffEncryptionOnPrimaryChannel(self)-
Turn off encryption on primary channel.
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def turnOffEncryptionOnPrimaryChannel(self): """Turn off encryption on primary channel.""" self.channels[0].settings.psk = fromPSK("none") print("Writing modified channels to device") self.writeChannel(0) def waitForConfig(self)-
Block until radio config is received. Returns True if config has been received.
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def waitForConfig(self): """Block until radio config is received. Returns True if config has been received.""" return self._timeout.waitForSet(self, attrs=('radioConfig', 'channels')) def writeChannel(self, channelIndex, adminIndex=0)-
Write the current (edited) channel to the device
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def writeChannel(self, channelIndex, adminIndex=0): """Write the current (edited) channel to the device""" p = admin_pb2.AdminMessage() p.set_channel.CopyFrom(self.channels[channelIndex]) self._sendAdmin(p, adminIndex=adminIndex) logging.debug(f"Wrote channel {channelIndex}") def writeConfig(self)-
Write the current (edited) radioConfig to the device
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def writeConfig(self): """Write the current (edited) radioConfig to the device""" if self.radioConfig is None: our_exit("Error: No RadioConfig has been read") p = admin_pb2.AdminMessage() p.set_radio.CopyFrom(self.radioConfig) self._sendAdmin(p) logging.debug("Wrote config")