Google Git
Sign in
pigweed / third_party / github / project-chip / connectedhomeip / 10886ac665d85eac19506eceb95fb68aca613991 / . / src / controller / python / chip / ChipDeviceCtrl.py
blob: b553b2f85b641eadc1ec7298eef0dc6af17ff865 [file] [log] [blame]
#
# Copyright (c) 2020-2022 Project CHIP Authors
# Copyright (c) 2019-2020 Google, LLC.
# Copyright (c) 2013-2018 Nest Labs, Inc.
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# @file
# Python interface for Chip Device Manager
#
"""Chip Device Controller interface
"""
# Needed to use types in type hints before they are fully defined.
from __future__ import absolute_import, annotations, print_function
import asyncio
import builtins
import copy
import ctypes
import enum
import json
import logging
import threading
import time
import typing
from ctypes import (CDLL, CFUNCTYPE, POINTER, byref, c_bool, c_char, c_char_p, c_int, c_int32, c_size_t, c_uint8, c_uint16,
c_uint32, c_uint64, c_void_p, create_string_buffer, pointer, py_object, resize, string_at)
from dataclasses import dataclass
import dacite
from . import FabricAdmin
from . import clusters as Clusters
from . import discovery
from .clusters import Attribute as ClusterAttribute
from .clusters import ClusterObjects as ClusterObjects
from .clusters import Command as ClusterCommand
from .clusters import Objects as GeneratedObjects
from .clusters.CHIPClusters import ChipClusters
from .crypto import p256keypair
from .exceptions import UnknownAttribute, UnknownCommand
from .interaction_model import InteractionModelError, SessionParameters, SessionParametersStruct
from .interaction_model import delegate as im
from .native import PyChipError
__all__ = ["ChipDeviceController", "CommissioningParameters"]
# Defined in $CHIP_ROOT/src/lib/core/CHIPError.h
CHIP_ERROR_TIMEOUT: int = 50
_DevicePairingDelegate_OnPairingCompleteFunct = CFUNCTYPE(None, PyChipError)
_DeviceUnpairingCompleteFunct = CFUNCTYPE(None, c_uint64, PyChipError)
_DevicePairingDelegate_OnCommissioningCompleteFunct = CFUNCTYPE(
None, c_uint64, PyChipError)
_DevicePairingDelegate_OnOpenWindowCompleteFunct = CFUNCTYPE(
None, c_uint64, c_uint32, c_char_p, c_char_p, PyChipError)
_DevicePairingDelegate_OnCommissioningStatusUpdateFunct = CFUNCTYPE(
None, c_uint64, c_uint8, PyChipError)
_DevicePairingDelegate_OnFabricCheckFunct = CFUNCTYPE(
None, c_uint64)
# void (*)(Device *, CHIP_ERROR).
#
# CHIP_ERROR is actually signed, so using c_uint32 is weird, but everything
# else seems to do it.
_DeviceAvailableCallbackFunct = CFUNCTYPE(None, py_object, c_void_p, PyChipError)
_IssueNOCChainCallbackPythonCallbackFunct = CFUNCTYPE(
None, py_object, PyChipError, c_void_p, c_size_t, c_void_p, c_size_t, c_void_p, c_size_t, c_void_p, c_size_t, c_uint64)
_ChipDeviceController_IterateDiscoveredCommissionableNodesFunct = CFUNCTYPE(None, c_char_p, c_size_t)
@dataclass
class CommissioningParameters:
setupPinCode: int
setupManualCode: str
setupQRCode: str
@dataclass
class NOCChain:
nocBytes: bytes
icacBytes: bytes
rcacBytes: bytes
ipkBytes: bytes
adminSubject: int
@_DeviceAvailableCallbackFunct
def _DeviceAvailableCallback(closure, device, err):
closure.deviceAvailable(device, err)
@_IssueNOCChainCallbackPythonCallbackFunct
def _IssueNOCChainCallbackPythonCallback(devCtrl, status: PyChipError, noc: c_void_p, nocLen: int, icac: c_void_p,
icacLen: int, rcac: c_void_p, rcacLen: int, ipk: c_void_p, ipkLen: int, adminSubject: int):
nocChain = NOCChain(None, None, None, None, 0)
if status.is_success:
nocBytes = None
if nocLen > 0:
nocBytes = string_at(noc, nocLen)[:]
icacBytes = None
if icacLen > 0:
icacBytes = string_at(icac, icacLen)[:]
rcacBytes = None
if rcacLen > 0:
rcacBytes = string_at(rcac, rcacLen)[:]
ipkBytes = None
if ipkLen > 0:
ipkBytes = string_at(ipk, ipkLen)[:]
nocChain = NOCChain(nocBytes, icacBytes, rcacBytes, ipkBytes, adminSubject)
devCtrl.NOCChainCallback(nocChain)
# This is a fix for WEAV-429. Jay Logue recommends revisiting this at a later
# date to allow for truly multiple instances so this is temporary.
def _singleton(cls):
instance = [None]
def wrapper(*args, **kwargs):
if instance[0] is None:
instance[0] = cls(*args, **kwargs)
return instance[0]
return wrapper
class DCState(enum.IntEnum):
NOT_INITIALIZED = 0
IDLE = 1
BLE_READY = 2
RENDEZVOUS_ONGOING = 3
RENDEZVOUS_CONNECTED = 4
COMMISSIONING = 5
class CommissionableNode(discovery.CommissionableNode):
def SetDeviceController(self, devCtrl: 'ChipDeviceController'):
self._devCtrl = devCtrl
def Commission(self, nodeId: int, setupPinCode: int) -> PyChipError:
''' Commission the device using the device controller discovered this device.
nodeId: The nodeId commissioned to the device
setupPinCode: The setup pin code of the device
'''
return self._devCtrl.CommissionOnNetwork(
nodeId, setupPinCode, filterType=discovery.FilterType.INSTANCE_NAME, filter=self.instanceName)
def __rich_repr__(self):
yield "(To Be Commissioned By)", self._devCtrl.name
for k in self.__dataclass_fields__.keys():
if k in self.__dict__:
yield k, self.__dict__[k]
class DeviceProxyWrapper():
''' Encapsulates a pointer to OperationalDeviceProxy on the c++ side that needs to be
freed when DeviceProxyWrapper goes out of scope. There is a potential issue where
if this is copied around that a double free will occur, but how this is used today
that is not an issue that needs to be accounted for and it will become very apparent
if that happens.
'''
def __init__(self, deviceProxy: ctypes.c_void_p, dmLib=None):
self._deviceProxy = deviceProxy
self._dmLib = dmLib
def __del__(self):
if (self._dmLib is not None and hasattr(builtins, 'chipStack') and builtins.chipStack is not None):
# This destructor is called from any threading context, including on the Matter threading context.
# So, we cannot call chipStack.Call or chipStack.CallAsync which waits for the posted work to
# actually be executed. Instead, we just post/schedule the work and move on.
builtins.chipStack.PostTaskOnChipThread(lambda: self._dmLib.pychip_FreeOperationalDeviceProxy(self._deviceProxy))
@property
def deviceProxy(self) -> ctypes.c_void_p:
return self._deviceProxy
@property
def localSessionId(self) -> int:
self._dmLib.pychip_GetLocalSessionId.argtypes = [ctypes.c_void_p, POINTER(ctypes.c_uint16)]
self._dmLib.pychip_GetLocalSessionId.restype = PyChipError
localSessionId = ctypes.c_uint16(0)
builtins.chipStack.Call(
lambda: self._dmLib.pychip_GetLocalSessionId(self._deviceProxy, pointer(localSessionId))
).raise_on_error()
return localSessionId.value
@property
def numTotalSessions(self) -> int:
self._dmLib.pychip_GetNumSessionsToPeer.argtypes = [ctypes.c_void_p, POINTER(ctypes.c_uint32)]
self._dmLib.pychip_GetNumSessionsToPeer.restype = PyChipError
numSessions = ctypes.c_uint32(0)
builtins.chipStack.Call(
lambda: self._dmLib.pychip_GetNumSessionsToPeer(self._deviceProxy, pointer(numSessions))
).raise_on_error()
return numSessions.value
@property
def attestationChallenge(self) -> bytes:
self._dmLib.pychip_GetAttestationChallenge.argtypes = (c_void_p, POINTER(c_uint8), POINTER(c_size_t))
self._dmLib.pychip_GetAttestationChallenge.restype = PyChipError
# this buffer is overly large, but we shall resize
size = 64
buf = ctypes.c_uint8(size)
csize = ctypes.c_size_t(size)
builtins.chipStack.Call(
lambda: self._dmLib.pychip_GetAttestationChallenge(self._deviceProxy, buf, ctypes.byref(csize))
).raise_on_error()
resize(buf, csize.value)
return bytes(buf)
DiscoveryFilterType = discovery.FilterType
DiscoveryType = discovery.DiscoveryType
class ChipDeviceControllerBase():
activeList = set()
def __init__(self, name: str = ''):
self.state = DCState.NOT_INITIALIZED
self.devCtrl = None
self._ChipStack = builtins.chipStack
self._dmLib = None
self._InitLib()
pairingDelegate = c_void_p(None)
devCtrl = c_void_p(None)
self.pairingDelegate = pairingDelegate
self.devCtrl = devCtrl
self.name = name
self.fabricCheckNodeId = -1
self._isActive = False
self._Cluster = ChipClusters(builtins.chipStack)
self._Cluster.InitLib(self._dmLib)
def _set_dev_ctrl(self, devCtrl, pairingDelegate):
def HandleCommissioningComplete(nodeid, err):
if err.is_success:
logging.info("Commissioning complete")
else:
logging.warning("Failed to commission: {}".format(err))
self.state = DCState.IDLE
self._ChipStack.callbackRes = err
self._ChipStack.commissioningEventRes = err
if self._dmLib.pychip_TestCommissionerUsed():
self._ChipStack.commissioningEventRes = self._dmLib.pychip_GetCompletionError()
self._ChipStack.commissioningCompleteEvent.set()
self._ChipStack.completeEvent.set()
def HandleFabricCheck(nodeId):
self.fabricCheckNodeId = nodeId
def HandleOpenWindowComplete(nodeid: int, setupPinCode: int, setupManualCode: str,
setupQRCode: str, err: PyChipError) -> None:
if err.is_success:
logging.info("Open Commissioning Window complete setting nodeid {} pincode to {}".format(nodeid, setupPinCode))
self._ChipStack.openCommissioningWindowPincode[nodeid] = CommissioningParameters(
setupPinCode=setupPinCode, setupManualCode=setupManualCode.decode(), setupQRCode=setupQRCode.decode())
else:
logging.warning("Failed to open commissioning window: {}".format(err))
self._ChipStack.callbackRes = err
self._ChipStack.completeEvent.set()
def HandleUnpairDeviceComplete(nodeid: int, err: PyChipError):
if err.is_success:
logging.info("Succesfully unpaired device with nodeid {}".format(nodeid))
else:
logging.warning("Failed to unpair device: {}".format(err))
self._ChipStack.callbackRes = err
self._ChipStack.completeEvent.set()
def HandlePASEEstablishmentComplete(err: PyChipError):
if not err.is_success:
logging.warning("Failed to establish secure session to device: {}".format(err))
self._ChipStack.callbackRes = err.to_exception()
else:
logging.info("Established secure session with Device")
if self.state != DCState.COMMISSIONING:
# During Commissioning, HandlePASEEstablishmentComplete will also be called,
# in this case the async operation should be marked as finished by
# HandleCommissioningComplete instead this function.
self.state = DCState.IDLE
self._ChipStack.completeEvent.set()
else:
# When commissioning, getting an error during key exhange
# needs to unblock the entire commissioning flow.
if not err.is_success:
HandleCommissioningComplete(0, err)
self.pairingDelegate = pairingDelegate
self.devCtrl = devCtrl
self.cbHandlePASEEstablishmentCompleteFunct = _DevicePairingDelegate_OnPairingCompleteFunct(
HandlePASEEstablishmentComplete)
self._dmLib.pychip_ScriptDevicePairingDelegate_SetKeyExchangeCallback(
self.pairingDelegate, self.cbHandlePASEEstablishmentCompleteFunct)
self.cbHandleCommissioningCompleteFunct = _DevicePairingDelegate_OnCommissioningCompleteFunct(
HandleCommissioningComplete)
self._dmLib.pychip_ScriptDevicePairingDelegate_SetCommissioningCompleteCallback(
self.pairingDelegate, self.cbHandleCommissioningCompleteFunct)
self.cbHandleFabricCheckFunct = _DevicePairingDelegate_OnFabricCheckFunct(HandleFabricCheck)
self._dmLib.pychip_ScriptDevicePairingDelegate_SetFabricCheckCallback(self.pairingDelegate, self.cbHandleFabricCheckFunct)
self.cbHandleOpenWindowCompleteFunct = _DevicePairingDelegate_OnOpenWindowCompleteFunct(
HandleOpenWindowComplete)
self._dmLib.pychip_ScriptDevicePairingDelegate_SetOpenWindowCompleteCallback(
self.pairingDelegate, self.cbHandleOpenWindowCompleteFunct)
self.cbHandleDeviceUnpairCompleteFunct = _DeviceUnpairingCompleteFunct(HandleUnpairDeviceComplete)
self.state = DCState.IDLE
self._isActive = True
# Validate FabricID/NodeID followed from NOC Chain
self._fabricId = self.GetFabricIdInternal()
self._nodeId = self.GetNodeIdInternal()
def _finish_init(self):
self.state = DCState.IDLE
self._isActive = True
ChipDeviceController.activeList.add(self)
def _enablePairingCompeleteCallback(self, value: bool):
self._ChipStack.Call(
lambda: self._dmLib.pychip_ScriptDevicePairingDelegate_SetExpectingPairingComplete(self.pairingDelegate, value)
).raise_on_error()
@property
def fabricAdmin(self) -> FabricAdmin.FabricAdmin:
return self._fabricAdmin
@property
def nodeId(self) -> int:
return self._nodeId
@property
def fabricId(self) -> int:
return self._fabricId
@property
def name(self) -> str:
return self._name
@name.setter
def name(self, new_name: str):
self._name = new_name
@property
def isActive(self) -> bool:
return self._isActive
def Shutdown(self):
''' Shuts down this controller and reclaims any used resources, including the bound
C++ constructor instance in the SDK.
'''
if not self._isActive:
return
if self.devCtrl is not None:
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DeleteDeviceController(
self.devCtrl, self.pairingDelegate)
).raise_on_error()
self.pairingDelegate = None
self.devCtrl = None
ChipDeviceController.activeList.remove(self)
self._isActive = False
def ShutdownAll():
''' Shut down all active controllers and reclaim any used resources.
'''
#
# We want a shallow copy here since it would other create new instances
# of the controllers in the list.
#
# We need a copy since we're going to walk through the list and shutdown
# each controller, which in turn, will remove themselves from the active list.
#
# We cannot do that while iterating through the original list.
#
activeList = copy.copy(ChipDeviceController.activeList)
for controller in activeList:
controller.Shutdown()
ChipDeviceController.activeList.clear()
def CheckIsActive(self):
if (not self._isActive):
raise RuntimeError(
"DeviceCtrl instance was already shutdown previously!")
def __del__(self):
self.Shutdown()
def IsConnected(self):
self.CheckIsActive()
return self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_IsConnected(
self.devCtrl)
)
def ConnectBLE(self, discriminator, setupPinCode, nodeid) -> PyChipError:
self.CheckIsActive()
self._ChipStack.commissioningCompleteEvent.clear()
self.state = DCState.COMMISSIONING
self._enablePairingCompeleteCallback(True)
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_ConnectBLE(
self.devCtrl, discriminator, setupPinCode, nodeid)
).raise_on_error()
if not self._ChipStack.commissioningCompleteEvent.isSet():
# Error 50 is a timeout
return PyChipError(CHIP_ERROR_TIMEOUT)
return self._ChipStack.commissioningEventRes
def UnpairDevice(self, nodeid: int):
self.CheckIsActive()
return self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_UnpairDevice(
self.devCtrl, nodeid, self.cbHandleDeviceUnpairCompleteFunct)
).raise_on_error()
def CloseBLEConnection(self):
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceCommissioner_CloseBleConnection(
self.devCtrl)
).raise_on_error()
def ExpireSessions(self, nodeid):
"""Close all sessions with `nodeid` (if any existed) so that sessions get re-established.
This is needed to properly handle operations that invalidate a node's state, such as
UpdateNOC.
WARNING: ONLY CALL THIS IF YOU UNDERSTAND THE SIDE-EFFECTS
"""
self.CheckIsActive()
self._ChipStack.Call(lambda: self._dmLib.pychip_ExpireSessions(self.devCtrl, nodeid)).raise_on_error()
# TODO: This needs to be called MarkSessionDefunct
def CloseSession(self, nodeid):
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_CloseSession(
self.devCtrl, nodeid)
).raise_on_error()
def EstablishPASESessionBLE(self, setupPinCode: int, discriminator: int, nodeid: int):
self.CheckIsActive()
self.state = DCState.RENDEZVOUS_ONGOING
self._enablePairingCompeleteCallback(True)
return self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_EstablishPASESessionBLE(
self.devCtrl, setupPinCode, discriminator, nodeid)
)
def EstablishPASESessionIP(self, ipaddr: str, setupPinCode: int, nodeid: int, port: int = 0):
self.CheckIsActive()
self.state = DCState.RENDEZVOUS_ONGOING
self._enablePairingCompeleteCallback(True)
return self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_EstablishPASESessionIP(
self.devCtrl, ipaddr.encode("utf-8"), setupPinCode, nodeid, port)
)
def EstablishPASESession(self, setUpCode: str, nodeid: int):
self.CheckIsActive()
self.state = DCState.RENDEZVOUS_ONGOING
self._enablePairingCompeleteCallback(True)
return self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_EstablishPASESession(
self.devCtrl, setUpCode.encode("utf-8"), nodeid)
)
def GetTestCommissionerUsed(self):
return self._ChipStack.Call(
lambda: self._dmLib.pychip_TestCommissionerUsed()
)
def ResetTestCommissioner(self):
self._dmLib.pychip_ResetCommissioningTests()
def SetTestCommissionerSimulateFailureOnStage(self, stage: int):
return self._dmLib.pychip_SetTestCommissionerSimulateFailureOnStage(
stage)
def SetTestCommissionerSimulateFailureOnReport(self, stage: int):
return self._dmLib.pychip_SetTestCommissionerSimulateFailureOnReport(
stage)
def SetTestCommissionerPrematureCompleteAfter(self, stage: int):
return self._dmLib.pychip_SetTestCommissionerPrematureCompleteAfter(
stage)
def CheckTestCommissionerCallbacks(self):
return self._ChipStack.Call(
lambda: self._dmLib.pychip_TestCommissioningCallbacks()
)
def CheckStageSuccessful(self, stage: int):
return self._ChipStack.Call(
lambda: self._dmLib.pychip_TestCommissioningStageSuccessful(stage)
)
def CheckTestCommissionerPaseConnection(self, nodeid):
return self._dmLib.pychip_TestPaseConnection(nodeid)
def NOCChainCallback(self, nocChain):
self._ChipStack.callbackRes = nocChain
self._ChipStack.completeEvent.set()
return
def ResolveNode(self, nodeid):
self.CheckIsActive()
self.GetConnectedDeviceSync(nodeid, allowPASE=False)
def GetAddressAndPort(self, nodeid):
self.CheckIsActive()
address = create_string_buffer(64)
port = c_uint16(0)
# Intentially return None instead of raising exceptions on error
error = self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_GetAddressAndPort(
self.devCtrl, nodeid, address, 64, pointer(port))
)
return (address.value.decode(), port.value) if error == 0 else None
def DiscoverCommissionableNodes(self, filterType: discovery.FilterType = discovery.FilterType.NONE, filter: typing.Any = None,
stopOnFirst: bool = False, timeoutSecond: int = 5) -> typing.Union[None, CommissionableNode, typing.List[CommissionableNode]]:
''' Discover commissionable nodes via DNS-SD with specified filters.
Supported filters are:
discovery.FilterType.NONE
discovery.FilterType.SHORT_DISCRIMINATOR
discovery.FilterType.LONG_DISCRIMINATOR
discovery.FilterType.VENDOR_ID
discovery.FilterType.DEVICE_TYPE
discovery.FilterType.COMMISSIONING_MODE
discovery.FilterType.INSTANCE_NAME
discovery.FilterType.COMMISSIONER
discovery.FilterType.COMPRESSED_FABRIC_ID
This function will always return a list of CommissionableDevice. When stopOnFirst is set,
this function will return when at least one device is discovered or on timeout.
'''
self.CheckIsActive()
if isinstance(filter, int):
filter = str(filter)
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodes(
self.devCtrl, int(filterType), str(filter).encode("utf-8") + b"\x00")).raise_on_error()
if timeoutSecond != 0:
if stopOnFirst:
target = time.time() + timeoutSecond
while time.time() < target:
if self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_HasDiscoveredCommissionableNode(self.devCtrl)):
break
time.sleep(0.1)
else:
time.sleep(timeoutSecond)
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_StopCommissionableDiscovery(self.devCtrl)).raise_on_error()
return self.GetDiscoveredDevices()
def DiscoverCommissionableNodesLongDiscriminator(self, long_discriminator):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesLongDiscriminator(
self.devCtrl, long_discriminator)
).raise_on_error()
def DiscoverCommissionableNodesShortDiscriminator(self, short_discriminator):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesShortDiscriminator(
self.devCtrl, short_discriminator)
).raise_on_error()
def DiscoverCommissionableNodesVendor(self, vendor):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesVendor(
self.devCtrl, vendor)
).raise_on_error()
def DiscoverCommissionableNodesDeviceType(self, device_type):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesDeviceType(
self.devCtrl, device_type)
).raise_on_error()
def DiscoverCommissionableNodesCommissioningEnabled(self):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesCommissioningEnabled(
self.devCtrl)
).raise_on_error()
def PrintDiscoveredDevices(self):
''' Deprecated, use GetCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_PrintDiscoveredDevices(
self.devCtrl)
)
def GetDiscoveredDevices(self):
def GetDevices(devCtrl):
devices = []
@_ChipDeviceController_IterateDiscoveredCommissionableNodesFunct
def HandleDevice(deviceJson, deviceJsonLen):
jsonStr = ctypes.string_at(deviceJson, deviceJsonLen).decode("utf-8")
device = dacite.from_dict(data_class=CommissionableNode, data=json.loads(jsonStr))
device.SetDeviceController(devCtrl)
devices.append(device)
self._dmLib.pychip_DeviceController_IterateDiscoveredCommissionableNodes(devCtrl.devCtrl, HandleDevice)
return devices
return self._ChipStack.Call(lambda: GetDevices(self))
def GetIPForDiscoveredDevice(self, idx, addrStr, length):
self.CheckIsActive()
return self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_GetIPForDiscoveredDevice(
self.devCtrl, idx, addrStr, length)
)
def DiscoverAllCommissioning(self):
''' Deprecated, use DiscoverCommissionableNodes
'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_DiscoverAllCommissionableNodes(
self.devCtrl)
).raise_on_error()
class CommissioningWindowPasscode(enum.IntEnum):
kOriginalSetupCode = 0,
kTokenWithRandomPin = 1,
def OpenCommissioningWindow(self, nodeid: int, timeout: int, iteration: int,
discriminator: int, option: CommissioningWindowPasscode) -> CommissioningParameters:
''' Opens a commissioning window on the device with the given nodeid.
nodeid: Node id of the device
timeout: Command timeout
iteration: The PAKE iteration count associated with the PAKE Passcode ID and ephemeral
PAKE passcode verifier to be used for this commissioning. Valid range: 1000 - 100000
Ignored if option == 0
discriminator: The long discriminator for the DNS-SD advertisement. Valid range: 0-4095
Ignored if option == 0
option: 0 = kOriginalSetupCode
1 = kTokenWithRandomPIN
Returns CommissioningParameters
'''
self.CheckIsActive()
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_OpenCommissioningWindow(
self.devCtrl, self.pairingDelegate, nodeid, timeout, iteration, discriminator, option)
).raise_on_error()
self._ChipStack.callbackRes.raise_on_error()
return self._ChipStack.openCommissioningWindowPincode[nodeid]
def GetCompressedFabricId(self):
self.CheckIsActive()
fabricid = c_uint64(0)
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_GetCompressedFabricId(
self.devCtrl, pointer(fabricid))
).raise_on_error()
return fabricid.value
def GetFabricIdInternal(self):
"""Get the fabric ID from the object. Only used to validate cached value from property."""
self.CheckIsActive()
fabricid = c_uint64(0)
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_GetFabricId(
self.devCtrl, pointer(fabricid))
).raise_on_error()
return fabricid.value
def GetNodeIdInternal(self) -> int:
"""Get the node ID from the object. Only used to validate cached value from property."""
self.CheckIsActive()
nodeid = c_uint64(0)
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_GetNodeId(
self.devCtrl, pointer(nodeid))
).raise_on_error()
return nodeid.value
def GetClusterHandler(self):
self.CheckIsActive()
return self._Cluster
def GetConnectedDeviceSync(self, nodeid, allowPASE=True, timeoutMs: int = None):
''' Returns DeviceProxyWrapper upon success.'''
self.CheckIsActive()
returnDevice = c_void_p(None)
returnErr = None
deviceAvailableCV = threading.Condition()
if allowPASE:
res = self._ChipStack.Call(lambda: self._dmLib.pychip_GetDeviceBeingCommissioned(
self.devCtrl, nodeid, byref(returnDevice)), timeoutMs)
if res.is_success:
logging.info('Using PASE connection')
return DeviceProxyWrapper(returnDevice)
class DeviceAvailableClosure():
def deviceAvailable(self, device, err):
nonlocal returnDevice
nonlocal returnErr
nonlocal deviceAvailableCV
with deviceAvailableCV:
returnDevice = c_void_p(device)
returnErr = err
deviceAvailableCV.notify_all()
ctypes.pythonapi.Py_DecRef(ctypes.py_object(self))
closure = DeviceAvailableClosure()
ctypes.pythonapi.Py_IncRef(ctypes.py_object(closure))
self._ChipStack.Call(lambda: self._dmLib.pychip_GetConnectedDeviceByNodeId(
self.devCtrl, nodeid, ctypes.py_object(closure), _DeviceAvailableCallback),
timeoutMs).raise_on_error()
# The callback might have been received synchronously (during self._ChipStack.Call()).
# Check if the device is already set before waiting for the callback.
if returnDevice.value is None:
with deviceAvailableCV:
timeout = None
if (timeoutMs):
timeout = float(timeoutMs) / 1000
ret = deviceAvailableCV.wait(timeout)
if ret is False:
raise TimeoutError("Timed out waiting for DNS-SD resolution")
if returnDevice.value is None:
returnErr.raise_on_error()
return DeviceProxyWrapper(returnDevice, self._dmLib)
def ComputeRoundTripTimeout(self, nodeid, upperLayerProcessingTimeoutMs: int = 0):
''' Returns a computed timeout value based on the round-trip time it takes for the peer at the other end of the session to
receive a message, process it and send it back. This is computed based on the session type, the type of transport,
sleepy characteristics of the target and a caller-provided value for the time it takes to process a message
at the upper layer on the target For group sessions.
This will result in a session being established if one wasn't already.
'''
device = self.GetConnectedDeviceSync(nodeid)
res = self._ChipStack.Call(lambda: self._dmLib.pychip_DeviceProxy_ComputeRoundTripTimeout(
device.deviceProxy, upperLayerProcessingTimeoutMs))
return res
def GetRemoteSessionParameters(self, nodeid) -> typing.Optional[SessionParameters]:
''' Returns the SessionParameters of reported by the remote node associated with `nodeid`.
If there is some error in getting SessionParameters None is returned.
This will result in a session being established if one wasn't already established.
'''
# First creating the struct to make building the ByteArray to be sent to CFFI easier.
sessionParametersStruct = SessionParametersStruct.parse(b'\x00' * SessionParametersStruct.sizeof())
sessionParametersByteArray = SessionParametersStruct.build(sessionParametersStruct)
device = self.GetConnectedDeviceSync(nodeid)
res = self._ChipStack.Call(lambda: self._dmLib.pychip_DeviceProxy_GetRemoteSessionParameters(
device.deviceProxy, ctypes.c_char_p(sessionParametersByteArray)))
# 0 is CHIP_NO_ERROR
if res != 0:
return None
sessionParametersStruct = SessionParametersStruct.parse(sessionParametersByteArray)
return SessionParameters(
sessionIdleInterval=sessionParametersStruct.SessionIdleInterval if sessionParametersStruct.SessionIdleInterval != 0 else None,
sessionActiveInterval=sessionParametersStruct.SessionActiveInterval if sessionParametersStruct.SessionActiveInterval != 0 else None,
sessionActiveThreshold=sessionParametersStruct.SessionActiveThreshold if sessionParametersStruct.SessionActiveThreshold != 0 else None,
dataModelRevision=sessionParametersStruct.DataModelRevision if sessionParametersStruct.DataModelRevision != 0 else None,
interactionModelRevision=sessionParametersStruct.InteractionModelRevision if sessionParametersStruct.InteractionModelRevision != 0 else None,
specficiationVersion=sessionParametersStruct.SpecificationVersion if sessionParametersStruct.SpecificationVersion != 0 else None,
maxPathsPerInvoke=sessionParametersStruct.MaxPathsPerInvoke)
return res
async def TestOnlySendBatchCommands(self, nodeid: int, commands: typing.List[ClusterCommand.InvokeRequestInfo],
timedRequestTimeoutMs: typing.Optional[int] = None,
interactionTimeoutMs: typing.Optional[int] = None, busyWaitMs: typing.Optional[int] = None,
suppressResponse: typing.Optional[bool] = None, remoteMaxPathsPerInvoke: typing.Optional[int] = None,
suppressTimedRequestMessage: bool = False, commandRefsOverride: typing.Optional[typing.List[int]] = None):
'''
Please see SendBatchCommands for description.
TestOnly overridable arguments:
remoteMaxPathsPerInvoke: Overrides the number of batch commands we think can be sent to remote node.
suppressTimedRequestMessage: When set to true, we suppress sending Timed Request Message.
commandRefsOverride: List of commandRefs to use for each command with the same index in `commands`.
Returns:
- TestOnlyBatchCommandResponse
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid, timeoutMs=interactionTimeoutMs)
ClusterCommand.TestOnlySendBatchCommands(
future, eventLoop, device.deviceProxy, commands,
timedRequestTimeoutMs=timedRequestTimeoutMs,
interactionTimeoutMs=interactionTimeoutMs, busyWaitMs=busyWaitMs, suppressResponse=suppressResponse,
remoteMaxPathsPerInvoke=remoteMaxPathsPerInvoke, suppressTimedRequestMessage=suppressTimedRequestMessage,
commandRefsOverride=commandRefsOverride).raise_on_error()
return await future
async def TestOnlySendCommandTimedRequestFlagWithNoTimedInvoke(self, nodeid: int, endpoint: int,
payload: ClusterObjects.ClusterCommand, responseType=None):
'''
Please see SendCommand for description.
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid, timeoutMs=None)
ClusterCommand.TestOnlySendCommandTimedRequestFlagWithNoTimedInvoke(
future, eventLoop, responseType, device.deviceProxy, ClusterCommand.CommandPath(
EndpointId=endpoint,
ClusterId=payload.cluster_id,
CommandId=payload.command_id,
), payload).raise_on_error()
return await future
async def SendCommand(self, nodeid: int, endpoint: int, payload: ClusterObjects.ClusterCommand, responseType=None,
timedRequestTimeoutMs: typing.Union[None, int] = None,
interactionTimeoutMs: typing.Union[None, int] = None, busyWaitMs: typing.Union[None, int] = None,
suppressResponse: typing.Union[None, bool] = None):
'''
Send a cluster-object encapsulated command to a node and get returned a future that can be awaited upon to receive
the response. If a valid responseType is passed in, that will be used to de-serialize the object. If not,
the type will be automatically deduced from the metadata received over the wire.
timedWriteTimeoutMs: Timeout for a timed invoke request. Omit or set to 'None' to indicate a non-timed request.
interactionTimeoutMs: Overall timeout for the interaction. Omit or set to 'None' to have the SDK automatically compute the
right timeout value based on transport characteristics as well as the responsiveness of the target.
Returns:
- command response. The type of the response is defined by the command.
Raises:
- InteractionModelError on error
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid, timeoutMs=interactionTimeoutMs)
ClusterCommand.SendCommand(
future, eventLoop, responseType, device.deviceProxy, ClusterCommand.CommandPath(
EndpointId=endpoint,
ClusterId=payload.cluster_id,
CommandId=payload.command_id,
), payload, timedRequestTimeoutMs=timedRequestTimeoutMs,
interactionTimeoutMs=interactionTimeoutMs, busyWaitMs=busyWaitMs, suppressResponse=suppressResponse).raise_on_error()
return await future
async def SendBatchCommands(self, nodeid: int, commands: typing.List[ClusterCommand.InvokeRequestInfo],
timedRequestTimeoutMs: typing.Optional[int] = None,
interactionTimeoutMs: typing.Optional[int] = None, busyWaitMs: typing.Optional[int] = None,
suppressResponse: typing.Optional[bool] = None):
'''
Send a batch of cluster-object encapsulated commands to a node and get returned a future that can be awaited upon to receive
the responses. If a valid responseType is passed in, that will be used to de-serialize the object. If not,
the type will be automatically deduced from the metadata received over the wire.
nodeId: Target's Node ID
commands: A list of InvokeRequestInfo containing the commands to invoke.
timedWriteTimeoutMs: Timeout for a timed invoke request. Omit or set to 'None' to indicate a non-timed request.
interactionTimeoutMs: Overall timeout for the interaction. Omit or set to 'None' to have the SDK automatically compute the
right timeout value based on transport characteristics as well as the responsiveness of the target.
busyWaitMs: How long to wait in ms after sending command to device before performing any other operations.
suppressResponse: Do not send a response to this action
Returns:
- List of command responses in the same order as what was given in `commands`. The type of the response is defined by the command.
- A value of `None` indicates success.
- If only a single command fails, for example with `UNSUPPORTED_COMMAND`, the corresponding index associated with the command will,
contain `interaction_model.Status.UnsupportedCommand`.
- If a command is not responded to by server, command will contain `interaction_model.Status.NoCommandResponse`
Raises:
- InteractionModelError if error with sending of InvokeRequestMessage fails as a whole.
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid, timeoutMs=interactionTimeoutMs)
ClusterCommand.SendBatchCommands(
future, eventLoop, device.deviceProxy, commands,
timedRequestTimeoutMs=timedRequestTimeoutMs,
interactionTimeoutMs=interactionTimeoutMs, busyWaitMs=busyWaitMs, suppressResponse=suppressResponse).raise_on_error()
return await future
def SendGroupCommand(self, groupid: int, payload: ClusterObjects.ClusterCommand, busyWaitMs: typing.Union[None, int] = None):
'''
Send a group cluster-object encapsulated command to a group_id and get returned a future
that can be awaited upon to get confirmation command was sent.
Returns:
- None: responses are not sent to group commands
Raises:
- InteractionModelError on error
'''
self.CheckIsActive()
ClusterCommand.SendGroupCommand(
groupid, self.devCtrl, payload, busyWaitMs=busyWaitMs).raise_on_error()
# None is the expected return for sending group commands.
return None
async def WriteAttribute(self, nodeid: int,
attributes: typing.List[typing.Tuple[int, ClusterObjects.ClusterAttributeDescriptor]],
timedRequestTimeoutMs: typing.Union[None, int] = None,
interactionTimeoutMs: typing.Union[None, int] = None, busyWaitMs: typing.Union[None, int] = None):
'''
Write a list of attributes on a target node.
nodeId: Target's Node ID
timedWriteTimeoutMs: Timeout for a timed write request. Omit or set to 'None' to indicate a non-timed request.
attributes: A list of tuples of type (endpoint, cluster-object):
interactionTimeoutMs: Overall timeout for the interaction. Omit or set to 'None' to have the SDK automatically compute the
right timeout value based on transport characteristics as well as the responsiveness of the target.
E.g
(1, Clusters.UnitTesting.Attributes.XYZAttribute('hello')) -- Write 'hello'
to the XYZ attribute on the test cluster to endpoint 1
Returns:
- [AttributeStatus] (list - one for each path)
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid, timeoutMs=interactionTimeoutMs)
attrs = []
for v in attributes:
if len(v) == 2:
attrs.append(ClusterAttribute.AttributeWriteRequest(
v[0], v[1], 0, 0, v[1].value))
else:
attrs.append(ClusterAttribute.AttributeWriteRequest(
v[0], v[1], v[2], 1, v[1].value))
ClusterAttribute.WriteAttributes(
future, eventLoop, device.deviceProxy, attrs, timedRequestTimeoutMs=timedRequestTimeoutMs,
interactionTimeoutMs=interactionTimeoutMs, busyWaitMs=busyWaitMs).raise_on_error()
return await future
def WriteGroupAttribute(
self, groupid: int, attributes: typing.List[typing.Tuple[ClusterObjects.ClusterAttributeDescriptor, int]], busyWaitMs: typing.Union[None, int] = None):
'''
Write a list of attributes on a target group.
groupid: Group ID to send write attribute to.
attributes: A list of tuples of type (cluster-object, data-version). The data-version can be omitted.
E.g
(Clusters.UnitTesting.Attributes.XYZAttribute('hello'), 1) -- Group Write 'hello' with data version 1
'''
self.CheckIsActive()
attrs = []
invalid_endpoint = 0xFFFF
for v in attributes:
if len(v) == 2:
attrs.append(ClusterAttribute.AttributeWriteRequest(
invalid_endpoint, v[0], v[1], 1, v[0].value))
else:
attrs.append(ClusterAttribute.AttributeWriteRequest(
invalid_endpoint, v[0], 0, 0, v[0].value))
ClusterAttribute.WriteGroupAttributes(
groupid, self.devCtrl, attrs, busyWaitMs=busyWaitMs).raise_on_error()
# An empty list is the expected return for sending group write attribute.
return []
def _parseAttributePathTuple(self, pathTuple: typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[int], # Endpoint
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster]],
# Wildcard endpoint, Cluster + Attribute present
typing.Tuple[typing.Type[ClusterObjects.ClusterAttributeDescriptor]],
# Wildcard attribute id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster]],
# Concrete path
typing.Tuple[int, typing.Type[ClusterObjects.ClusterAttributeDescriptor]]
]):
endpoint = None
cluster = None
attribute = None
if pathTuple == ('*') or pathTuple == ():
# Wildcard
pass
elif not isinstance(pathTuple, tuple):
if isinstance(pathTuple, int):
endpoint = pathTuple
elif issubclass(pathTuple, ClusterObjects.Cluster):
cluster = pathTuple
elif issubclass(pathTuple, ClusterObjects.ClusterAttributeDescriptor):
attribute = pathTuple
else:
raise ValueError("Unsupported Attribute Path")
else:
# endpoint + (cluster) attribute / endpoint + cluster
endpoint = pathTuple[0]
if issubclass(pathTuple[1], ClusterObjects.Cluster):
cluster = pathTuple[1]
elif issubclass(pathTuple[1], ClusterAttribute.ClusterAttributeDescriptor):
attribute = pathTuple[1]
else:
raise ValueError("Unsupported Attribute Path")
return ClusterAttribute.AttributePath(
EndpointId=endpoint, Cluster=cluster, Attribute=attribute)
def _parseDataVersionFilterTuple(self, pathTuple: typing.List[typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int]]):
endpoint = None
cluster = None
# endpoint + (cluster) attribute / endpoint + cluster
endpoint = pathTuple[0]
if issubclass(pathTuple[1], ClusterObjects.Cluster):
cluster = pathTuple[1]
else:
raise ValueError("Unsupported Cluster Path")
dataVersion = pathTuple[2]
return ClusterAttribute.DataVersionFilter(
EndpointId=endpoint, Cluster=cluster, DataVersion=dataVersion)
def _parseEventPathTuple(self, pathTuple: typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[str, int], # all wildcard with urgency set
typing.Tuple[int, int], # Endpoint,
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster], int],
# Wildcard endpoint, Cluster + Event present
typing.Tuple[typing.Type[ClusterObjects.ClusterEvent], int],
# Wildcard event id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int],
# Concrete path
typing.Tuple[int,
typing.Type[ClusterObjects.ClusterEvent], int]
]):
endpoint = None
cluster = None
event = None
urgent = False
if pathTuple in [('*'), ()]:
# Wildcard
pass
elif not isinstance(pathTuple, tuple):
logging.debug(type(pathTuple))
if isinstance(pathTuple, int):
endpoint = pathTuple
elif issubclass(pathTuple, ClusterObjects.Cluster):
cluster = pathTuple
elif issubclass(pathTuple, ClusterObjects.ClusterEvent):
event = pathTuple
else:
raise ValueError("Unsupported Event Path")
else:
if pathTuple[0] == '*':
urgent = pathTuple[-1]
pass
else:
# endpoint + (cluster) event / endpoint + cluster
endpoint = pathTuple[0]
if issubclass(pathTuple[1], ClusterObjects.Cluster):
cluster = pathTuple[1]
elif issubclass(pathTuple[1], ClusterAttribute.ClusterEvent):
event = pathTuple[1]
else:
raise ValueError("Unsupported Attribute Path")
urgent = bool(pathTuple[-1]) if len(pathTuple) > 2 else False
return ClusterAttribute.EventPath(
EndpointId=endpoint, Cluster=cluster, Event=event, Urgent=urgent)
async def Read(self, nodeid: int, attributes: typing.List[typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[int], # Endpoint
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster]],
# Wildcard endpoint, Cluster + Attribute present
typing.Tuple[typing.Type[ClusterObjects.ClusterAttributeDescriptor]],
# Wildcard attribute id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster]],
# Concrete path
typing.Tuple[int, typing.Type[ClusterObjects.ClusterAttributeDescriptor]]
]] = None,
dataVersionFilters: typing.List[typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int]] = None, events: typing.List[
typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[str, int], # all wildcard with urgency set
typing.Tuple[int, int], # Endpoint,
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster], int],
# Wildcard endpoint, Cluster + Event present
typing.Tuple[typing.Type[ClusterObjects.ClusterEvent], int],
# Wildcard event id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int],
# Concrete path
typing.Tuple[int, typing.Type[ClusterObjects.ClusterEvent], int]
]] = None,
eventNumberFilter: typing.Optional[int] = None,
returnClusterObject: bool = False, reportInterval: typing.Tuple[int, int] = None,
fabricFiltered: bool = True, keepSubscriptions: bool = False, autoResubscribe: bool = True):
'''
Read a list of attributes and/or events from a target node
nodeId: Target's Node ID
attributes: A list of tuples of varying types depending on the type of read being requested:
(endpoint, Clusters.ClusterA.AttributeA): Endpoint = specific, Cluster = specific, Attribute = specific
(endpoint, Clusters.ClusterA): Endpoint = specific, Cluster = specific, Attribute = *
(Clusters.ClusterA.AttributeA): Endpoint = *, Cluster = specific, Attribute = specific
endpoint: Endpoint = specific, Cluster = *, Attribute = *
Clusters.ClusterA: Endpoint = *, Cluster = specific, Attribute = *
'*' or (): Endpoint = *, Cluster = *, Attribute = *
The cluster and attributes specified above are to be selected from the generated cluster objects.
e.g.
ReadAttribute(1, [ 1 ] ) -- case 4 above.
ReadAttribute(1, [ Clusters.BasicInformation ] ) -- case 5 above.
ReadAttribute(1, [ (1, Clusters.BasicInformation.Attributes.Location ] ) -- case 1 above.
dataVersionFilters: A list of tuples of (endpoint, cluster, data version).
events: A list of tuples of varying types depending on the type of read being requested:
(endpoint, Clusters.ClusterA.EventA, urgent): Endpoint = specific,
Cluster = specific, Event = specific, Urgent = True/False
(endpoint, Clusters.ClusterA, urgent): Endpoint = specific,
Cluster = specific, Event = *, Urgent = True/False
(Clusters.ClusterA.EventA, urgent): Endpoint = *,
Cluster = specific, Event = specific, Urgent = True/False
endpoint: Endpoint = specific, Cluster = *, Event = *, Urgent = True/False
Clusters.ClusterA: Endpoint = *, Cluster = specific, Event = *, Urgent = True/False
'*' or (): Endpoint = *, Cluster = *, Event = *, Urgent = True/False
eventNumberFilter: Optional minimum event number filter.
returnClusterObject: This returns the data as consolidated cluster objects, with all attributes for a cluster inside
a single cluster-wide cluster object.
reportInterval: A tuple of two int-s for (MinIntervalFloor, MaxIntervalCeiling). Used by establishing subscriptions.
When not provided, a read request will be sent.
Returns:
- AsyncReadTransaction.ReadResponse. Please see ReadAttribute and ReadEvent for examples of how to access data.
Raises:
- InteractionModelError (chip.interaction_model) on error
'''
self.CheckIsActive()
eventLoop = asyncio.get_running_loop()
future = eventLoop.create_future()
device = self.GetConnectedDeviceSync(nodeid)
attributePaths = [self._parseAttributePathTuple(
v) for v in attributes] if attributes else None
clusterDataVersionFilters = [self._parseDataVersionFilterTuple(
v) for v in dataVersionFilters] if dataVersionFilters else None
eventPaths = [self._parseEventPathTuple(
v) for v in events] if events else None
ClusterAttribute.Read(future=future, eventLoop=eventLoop, device=device.deviceProxy, devCtrl=self,
attributes=attributePaths, dataVersionFilters=clusterDataVersionFilters, events=eventPaths,
eventNumberFilter=eventNumberFilter, returnClusterObject=returnClusterObject,
subscriptionParameters=ClusterAttribute.SubscriptionParameters(
reportInterval[0], reportInterval[1]) if reportInterval else None,
fabricFiltered=fabricFiltered,
keepSubscriptions=keepSubscriptions, autoResubscribe=autoResubscribe).raise_on_error()
return await future
async def ReadAttribute(self, nodeid: int, attributes: typing.List[typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[int], # Endpoint
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster]],
# Wildcard endpoint, Cluster + Attribute present
typing.Tuple[typing.Type[ClusterObjects.ClusterAttributeDescriptor]],
# Wildcard attribute id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster]],
# Concrete path
typing.Tuple[int, typing.Type[ClusterObjects.ClusterAttributeDescriptor]]
]], dataVersionFilters: typing.List[typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int]] = None,
returnClusterObject: bool = False,
reportInterval: typing.Tuple[int, int] = None,
fabricFiltered: bool = True, keepSubscriptions: bool = False, autoResubscribe: bool = True):
'''
Read a list of attributes from a target node, this is a wrapper of DeviceController.Read()
nodeId: Target's Node ID
attributes: A list of tuples of varying types depending on the type of read being requested:
(endpoint, Clusters.ClusterA.AttributeA): Endpoint = specific, Cluster = specific, Attribute = specific
(endpoint, Clusters.ClusterA): Endpoint = specific, Cluster = specific, Attribute = *
(Clusters.ClusterA.AttributeA): Endpoint = *, Cluster = specific, Attribute = specific
endpoint: Endpoint = specific, Cluster = *, Attribute = *
Clusters.ClusterA: Endpoint = *, Cluster = specific, Attribute = *
'*' or (): Endpoint = *, Cluster = *, Attribute = *
The cluster and attributes specified above are to be selected from the generated cluster objects.
e.g.
ReadAttribute(1, [ 1 ] ) -- case 4 above.
ReadAttribute(1, [ Clusters.BasicInformation ] ) -- case 5 above.
ReadAttribute(1, [ (1, Clusters.BasicInformation.Attributes.Location ] ) -- case 1 above.
returnClusterObject: This returns the data as consolidated cluster objects, with all attributes for a cluster inside
a single cluster-wide cluster object.
reportInterval: A tuple of two int-s for (MinIntervalFloor, MaxIntervalCeiling). Used by establishing subscriptions.
When not provided, a read request will be sent.
Returns:
- subscription request: ClusterAttribute.SubscriptionTransaction
To get notified on attribute change use SetAttributeUpdateCallback on the returned
SubscriptionTransaction. This is used to set a callback function, which is a callable of
type Callable[[TypedAttributePath, SubscriptionTransaction], None]
Get the attribute value from the change path using GetAttribute on the SubscriptionTransaction
You can await changes in the main loop using a trigger mechanism from the callback.
ex. queue.SimpleQueue
- read request: AsyncReadTransaction.ReadResponse.attributes.
This is of type AttributeCache.attributeCache (Attribute.py),
which is a dict mapping endpoints to a list of Cluster (ClusterObjects.py) classes
(dict[int, List[Cluster]])
Access as returned_object[endpoint_id][<Cluster class>][<Attribute class>]
Ex. To access the OnTime attribute from the OnOff cluster on endpoint 1
returned_object[1][Clusters.OnOff][Clusters.OnOff.Attributes.OnTime]
Raises:
- InteractionModelError (chip.interaction_model) on error
'''
res = await self.Read(nodeid,
attributes=attributes,
dataVersionFilters=dataVersionFilters,
returnClusterObject=returnClusterObject,
reportInterval=reportInterval,
fabricFiltered=fabricFiltered,
keepSubscriptions=keepSubscriptions,
autoResubscribe=autoResubscribe)
if isinstance(res, ClusterAttribute.SubscriptionTransaction):
return res
else:
return res.attributes
async def ReadEvent(self, nodeid: int, events: typing.List[typing.Union[
None, # Empty tuple, all wildcard
typing.Tuple[str, int], # all wildcard with urgency set
typing.Tuple[int, int], # Endpoint,
# Wildcard endpoint, Cluster id present
typing.Tuple[typing.Type[ClusterObjects.Cluster], int],
# Wildcard endpoint, Cluster + Event present
typing.Tuple[typing.Type[ClusterObjects.ClusterEvent], int],
# Wildcard event id
typing.Tuple[int, typing.Type[ClusterObjects.Cluster], int],
# Concrete path
typing.Tuple[int, typing.Type[ClusterObjects.ClusterEvent], int]
]], eventNumberFilter: typing.Optional[int] = None,
fabricFiltered: bool = True,
reportInterval: typing.Tuple[int, int] = None,
keepSubscriptions: bool = False,
autoResubscribe: bool = True):
'''
Read a list of events from a target node, this is a wrapper of DeviceController.Read()
nodeId: Target's Node ID
events: A list of tuples of varying types depending on the type of read being requested:
(endpoint, Clusters.ClusterA.EventA, urgent): Endpoint = specific,
Cluster = specific, Event = specific, Urgent = True/False
(endpoint, Clusters.ClusterA, urgent): Endpoint = specific,
Cluster = specific, Event = *, Urgent = True/False
(Clusters.ClusterA.EventA, urgent): Endpoint = *,
Cluster = specific, Event = specific, Urgent = True/False
endpoint: Endpoint = specific, Cluster = *, Event = *, Urgent = True/False
Clusters.ClusterA: Endpoint = *, Cluster = specific, Event = *, Urgent = True/False
'*' or (): Endpoint = *, Cluster = *, Event = *, Urgent = True/False
The cluster and events specified above are to be selected from the generated cluster objects.
e.g.
ReadEvent(1, [ 1 ] ) -- case 4 above.
ReadEvent(1, [ Clusters.BasicInformation ] ) -- case 5 above.
ReadEvent(1, [ (1, Clusters.BasicInformation.Events.Location ] ) -- case 1 above.
eventNumberFilter: Optional minimum event number filter.
reportInterval: A tuple of two int-s for (MinIntervalFloor, MaxIntervalCeiling). Used by establishing subscriptions.
When not provided, a read request will be sent.
Returns:
- subscription request: ClusterAttribute.SubscriptionTransaction
To get notified on event subscriptions, use the SetEventUpdateCallback function on the
returned SubscriptionTransaction. This is a callable of type
Callable[[EventReadResult, SubscriptionTransaction], None]
You can await events using a trigger mechanism in the callback. ex. queue.SimpleQueue
- read request: AsyncReadTransaction.ReadResponse.events.
This is a List[ClusterEvent].
Raises:
- InteractionModelError (chip.interaction_model) on error
'''
res = await self.Read(nodeid=nodeid, events=events, eventNumberFilter=eventNumberFilter,
fabricFiltered=fabricFiltered, reportInterval=reportInterval, keepSubscriptions=keepSubscriptions,
autoResubscribe=autoResubscribe)
if isinstance(res, ClusterAttribute.SubscriptionTransaction):
return res
else:
return res.events
def ZCLSend(self, cluster, command, nodeid, endpoint, groupid, args, blocking=False):
''' Wrapper over SendCommand that catches the exceptions
Returns a tuple of (errorCode, CommandResponse)
'''
self.CheckIsActive()
req = None
try:
req = eval(
f"GeneratedObjects.{cluster}.Commands.{command}")(**args)
except BaseException:
raise UnknownCommand(cluster, command)
try:
res = asyncio.run(self.SendCommand(nodeid, endpoint, req))
logging.debug(f"CommandResponse {res}")
return (0, res)
except InteractionModelError as ex:
return (int(ex.status), None)
def ZCLReadAttribute(self, cluster, attribute, nodeid, endpoint, groupid, blocking=True):
''' Wrapper over ReadAttribute for a single attribute
Returns an AttributeReadResult
'''
self.CheckIsActive()
clusterType = getattr(GeneratedObjects, cluster)
try:
attributeType = eval(
f"GeneratedObjects.{cluster}.Attributes.{attribute}")
except BaseException:
raise UnknownAttribute(cluster, attribute)
result = asyncio.run(self.ReadAttribute(
nodeid, [(endpoint, attributeType)]))
path = ClusterAttribute.AttributePath(
EndpointId=endpoint, Attribute=attributeType)
return im.AttributeReadResult(path=im.AttributePath(nodeId=nodeid, endpointId=path.EndpointId, clusterId=path.ClusterId, attributeId=path.AttributeId),
status=0, value=result[endpoint][clusterType][attributeType], dataVersion=result[endpoint][clusterType][ClusterAttribute.DataVersion])
def ZCLWriteAttribute(self, cluster: str, attribute: str, nodeid, endpoint, groupid, value, dataVersion=0, blocking=True):
''' Wrapper over WriteAttribute for a single attribute
return PyChipError
'''
req = None
try:
req = eval(
f"GeneratedObjects.{cluster}.Attributes.{attribute}")(value)
except BaseException:
raise UnknownAttribute(cluster, attribute)
return asyncio.run(self.WriteAttribute(nodeid, [(endpoint, req, dataVersion)]))
def ZCLSubscribeAttribute(self, cluster, attribute, nodeid, endpoint, minInterval, maxInterval, blocking=True,
keepSubscriptions=False, autoResubscribe=True):
''' Wrapper over ReadAttribute for a single attribute
Returns a SubscriptionTransaction. See ReadAttribute for more information.
'''
self.CheckIsActive()
req = None
try:
req = eval(f"GeneratedObjects.{cluster}.Attributes.{attribute}")
except BaseException:
raise UnknownAttribute(cluster, attribute)
return asyncio.run(self.ReadAttribute(nodeid, [(endpoint, req)], None, False, reportInterval=(minInterval, maxInterval),
keepSubscriptions=keepSubscriptions, autoResubscribe=autoResubscribe))
def ZCLCommandList(self):
self.CheckIsActive()
return self._Cluster.ListClusterCommands()
def ZCLAttributeList(self):
self.CheckIsActive()
return self._Cluster.ListClusterAttributes()
def SetBlockingCB(self, blockingCB):
self.CheckIsActive()
self._ChipStack.blockingCB = blockingCB
def SetIpk(self, ipk: bytes):
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetIpk(self.devCtrl, ipk, len(ipk))
).raise_on_error()
def InitGroupTestingData(self):
"""Populates the Device Controller's GroupDataProvider with known test group info and keys."""
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_OpCreds_InitGroupTestingData(
self.devCtrl)
).raise_on_error()
# ----- Private Members -----
def _InitLib(self):
if self._dmLib is None:
self._dmLib = CDLL(self._ChipStack.LocateChipDLL())
self._dmLib.pychip_DeviceController_DeleteDeviceController.argtypes = [
c_void_p, c_void_p]
self._dmLib.pychip_DeviceController_DeleteDeviceController.restype = PyChipError
self._dmLib.pychip_DeviceController_ConnectBLE.argtypes = [
c_void_p, c_uint16, c_uint32, c_uint64]
self._dmLib.pychip_DeviceController_ConnectBLE.restype = PyChipError
self._dmLib.pychip_DeviceController_SetThreadOperationalDataset.argtypes = [
c_char_p, c_uint32]
self._dmLib.pychip_DeviceController_SetThreadOperationalDataset.restype = PyChipError
self._dmLib.pychip_DeviceController_SetWiFiCredentials.argtypes = [
c_char_p, c_char_p]
self._dmLib.pychip_DeviceController_SetWiFiCredentials.restype = PyChipError
# Currently only supports 1 list item
self._dmLib.pychip_DeviceController_SetTimeZone.restype = PyChipError
self._dmLib.pychip_DeviceController_SetTimeZone.argtypes = [
c_int32, c_uint64, c_char_p]
# Currently only supports 1 list item
self._dmLib.pychip_DeviceController_SetDSTOffset.restype = PyChipError
self._dmLib.pychip_DeviceController_SetDSTOffset.argtypes = [
c_int32, c_uint64, c_uint64]
self._dmLib.pychip_DeviceController_SetDefaultNtp.restype = PyChipError
self._dmLib.pychip_DeviceController_SetDefaultNtp.argtypes = [c_char_p]
self._dmLib.pychip_DeviceController_SetTrustedTimeSource.restype = PyChipError
self._dmLib.pychip_DeviceController_SetTrustedTimeSource.argtypes = [c_uint64, c_uint16]
self._dmLib.pychip_DeviceController_SetCheckMatchingFabric.restype = PyChipError
self._dmLib.pychip_DeviceController_SetCheckMatchingFabric.argtypes = [c_bool]
self._dmLib.pychip_DeviceController_ResetCommissioningParameters.restype = PyChipError
self._dmLib.pychip_DeviceController_ResetCommissioningParameters.argtypes = []
self._dmLib.pychip_DeviceController_Commission.argtypes = [
c_void_p, c_uint64]
self._dmLib.pychip_DeviceController_Commission.restype = PyChipError
self._dmLib.pychip_DeviceController_OnNetworkCommission.argtypes = [
c_void_p, c_void_p, c_uint64, c_uint32, c_uint8, c_char_p, c_uint32]
self._dmLib.pychip_DeviceController_OnNetworkCommission.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodes.argtypes = [
c_void_p, c_uint8, c_char_p]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodes.restype = PyChipError
self._dmLib.pychip_DeviceController_StopCommissionableDiscovery.argtypes = [
c_void_p]
self._dmLib.pychip_DeviceController_StopCommissionableDiscovery.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesLongDiscriminator.argtypes = [
c_void_p, c_uint16]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesLongDiscriminator.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesShortDiscriminator.argtypes = [
c_void_p, c_uint16]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesShortDiscriminator.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesVendor.argtypes = [
c_void_p, c_uint16]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesVendor.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesDeviceType.argtypes = [
c_void_p, c_uint16]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesDeviceType.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesCommissioningEnabled.argtypes = [
c_void_p]
self._dmLib.pychip_DeviceController_DiscoverCommissionableNodesCommissioningEnabled.restype = PyChipError
self._dmLib.pychip_DeviceController_EstablishPASESessionIP.argtypes = [
c_void_p, c_char_p, c_uint32, c_uint64, c_uint16]
self._dmLib.pychip_DeviceController_EstablishPASESessionIP.restype = PyChipError
self._dmLib.pychip_DeviceController_EstablishPASESessionBLE.argtypes = [
c_void_p, c_uint32, c_uint16, c_uint64]
self._dmLib.pychip_DeviceController_EstablishPASESessionBLE.restype = PyChipError
self._dmLib.pychip_DeviceController_EstablishPASESession.argtypes = [
c_void_p, c_char_p, c_uint64]
self._dmLib.pychip_DeviceController_EstablishPASESession.restype = PyChipError
self._dmLib.pychip_DeviceController_DiscoverAllCommissionableNodes.argtypes = [
c_void_p]
self._dmLib.pychip_DeviceController_DiscoverAllCommissionableNodes.restype = PyChipError
self._dmLib.pychip_DeviceController_PrintDiscoveredDevices.argtypes = [
c_void_p]
self._dmLib.pychip_DeviceController_PrintDiscoveredDevices.argtypes = [
c_void_p, _ChipDeviceController_IterateDiscoveredCommissionableNodesFunct]
self._dmLib.pychip_DeviceController_HasDiscoveredCommissionableNode.argtypes = [c_void_p]
self._dmLib.pychip_DeviceController_HasDiscoveredCommissionableNode.restype = c_bool
self._dmLib.pychip_DeviceController_GetIPForDiscoveredDevice.argtypes = [
c_void_p, c_int, c_char_p, c_uint32]
self._dmLib.pychip_DeviceController_GetIPForDiscoveredDevice.restype = c_bool
self._dmLib.pychip_DeviceController_ConnectIP.argtypes = [
c_void_p, c_char_p, c_uint32, c_uint64]
self._dmLib.pychip_DeviceController_ConnectIP.restype = PyChipError
self._dmLib.pychip_DeviceController_ConnectWithCode.argtypes = [
c_void_p, c_char_p, c_uint64, c_uint8]
self._dmLib.pychip_DeviceController_ConnectWithCode.restype = PyChipError
self._dmLib.pychip_DeviceController_UnpairDevice.argtypes = [
c_void_p, c_uint64, _DeviceUnpairingCompleteFunct]
self._dmLib.pychip_DeviceController_UnpairDevice.restype = PyChipError
self._dmLib.pychip_DeviceController_CloseSession.argtypes = [
c_void_p, c_uint64]
self._dmLib.pychip_DeviceController_CloseSession.restype = PyChipError
self._dmLib.pychip_DeviceController_GetAddressAndPort.argtypes = [
c_void_p, c_uint64, c_char_p, c_uint64, POINTER(c_uint16)]
self._dmLib.pychip_DeviceController_GetAddressAndPort.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetKeyExchangeCallback.argtypes = [
c_void_p, _DevicePairingDelegate_OnPairingCompleteFunct]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetKeyExchangeCallback.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetCommissioningCompleteCallback.argtypes = [
c_void_p, _DevicePairingDelegate_OnCommissioningCompleteFunct]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetCommissioningCompleteCallback.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetOpenWindowCompleteCallback.argtypes = [
c_void_p, _DevicePairingDelegate_OnOpenWindowCompleteFunct]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetOpenWindowCompleteCallback.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetCommissioningStatusUpdateCallback.argtypes = [
c_void_p, _DevicePairingDelegate_OnCommissioningStatusUpdateFunct]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetCommissioningStatusUpdateCallback.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetFabricCheckCallback.argtypes = [
c_void_p, _DevicePairingDelegate_OnFabricCheckFunct]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetFabricCheckCallback.restype = PyChipError
self._dmLib.pychip_ScriptDevicePairingDelegate_SetExpectingPairingComplete.argtypes = [
c_void_p, c_bool]
self._dmLib.pychip_ScriptDevicePairingDelegate_SetExpectingPairingComplete.restype = PyChipError
self._dmLib.pychip_GetConnectedDeviceByNodeId.argtypes = [
c_void_p, c_uint64, py_object, _DeviceAvailableCallbackFunct]
self._dmLib.pychip_GetConnectedDeviceByNodeId.restype = PyChipError
self._dmLib.pychip_FreeOperationalDeviceProxy.argtypes = [
c_void_p]
self._dmLib.pychip_FreeOperationalDeviceProxy.restype = PyChipError
self._dmLib.pychip_GetDeviceBeingCommissioned.argtypes = [
c_void_p, c_uint64, c_void_p]
self._dmLib.pychip_GetDeviceBeingCommissioned.restype = PyChipError
self._dmLib.pychip_ExpireSessions.argtypes = [c_void_p, c_uint64]
self._dmLib.pychip_ExpireSessions.restype = PyChipError
self._dmLib.pychip_DeviceCommissioner_CloseBleConnection.argtypes = [
c_void_p]
self._dmLib.pychip_DeviceCommissioner_CloseBleConnection.restype = PyChipError
self._dmLib.pychip_GetCommandSenderHandle.argtypes = [c_void_p]
self._dmLib.pychip_GetCommandSenderHandle.restype = c_uint64
self._dmLib.pychip_DeviceController_GetCompressedFabricId.argtypes = [
c_void_p, POINTER(c_uint64)]
self._dmLib.pychip_DeviceController_GetCompressedFabricId.restype = PyChipError
self._dmLib.pychip_DeviceController_OpenCommissioningWindow.argtypes = [
c_void_p, c_void_p, c_uint64, c_uint16, c_uint32, c_uint16, c_uint8]
self._dmLib.pychip_DeviceController_OpenCommissioningWindow.restype = PyChipError
self._dmLib.pychip_TestCommissionerUsed.argtypes = []
self._dmLib.pychip_TestCommissionerUsed.restype = c_bool
self._dmLib.pychip_TestCommissioningCallbacks.argtypes = []
self._dmLib.pychip_TestCommissioningCallbacks.restype = c_bool
self._dmLib.pychip_TestCommissioningStageSuccessful.argtypes = [c_uint8]
self._dmLib.pychip_TestCommissioningStageSuccessful.restype = c_bool
self._dmLib.pychip_ResetCommissioningTests.argtypes = []
self._dmLib.pychip_TestPaseConnection.argtypes = [c_uint64]
self._dmLib.pychip_SetTestCommissionerSimulateFailureOnStage.argtypes = [
c_uint8]
self._dmLib.pychip_SetTestCommissionerSimulateFailureOnStage.restype = c_bool
self._dmLib.pychip_SetTestCommissionerSimulateFailureOnReport.argtypes = [
c_uint8]
self._dmLib.pychip_SetTestCommissionerSimulateFailureOnReport.restype = c_bool
self._dmLib.pychip_SetTestCommissionerPrematureCompleteAfter.argtypes = [
c_uint8]
self._dmLib.pychip_SetTestCommissionerPrematureCompleteAfter.restype = c_bool
self._dmLib.pychip_GetCompletionError.argtypes = []
self._dmLib.pychip_GetCompletionError.restype = PyChipError
self._dmLib.pychip_DeviceController_IssueNOCChain.argtypes = [
c_void_p, py_object, c_char_p, c_size_t, c_uint64]
self._dmLib.pychip_DeviceController_IssueNOCChain.restype = PyChipError
self._dmLib.pychip_OpCreds_InitGroupTestingData.argtypes = [
c_void_p]
self._dmLib.pychip_OpCreds_InitGroupTestingData.restype = PyChipError
self._dmLib.pychip_DeviceController_SetIssueNOCChainCallbackPythonCallback.argtypes = [
_IssueNOCChainCallbackPythonCallbackFunct]
self._dmLib.pychip_DeviceController_SetIssueNOCChainCallbackPythonCallback.restype = None
self._dmLib.pychip_DeviceController_GetNodeId.argtypes = [c_void_p, POINTER(c_uint64)]
self._dmLib.pychip_DeviceController_GetNodeId.restype = PyChipError
self._dmLib.pychip_DeviceController_GetFabricId.argtypes = [c_void_p, POINTER(c_uint64)]
self._dmLib.pychip_DeviceController_GetFabricId.restype = PyChipError
self._dmLib.pychip_DeviceController_GetLogFilter = [None]
self._dmLib.pychip_DeviceController_GetLogFilter = c_uint8
self._dmLib.pychip_OpCreds_AllocateController.argtypes = [c_void_p, POINTER(
c_void_p), POINTER(c_void_p), c_uint64, c_uint64, c_uint16, c_char_p, c_bool, c_bool, POINTER(c_uint32), c_uint32, c_void_p]
self._dmLib.pychip_OpCreds_AllocateController.restype = PyChipError
self._dmLib.pychip_OpCreds_AllocateControllerForPythonCommissioningFLow.argtypes = [
POINTER(c_void_p), POINTER(c_void_p), c_void_p, POINTER(c_char), c_uint32, POINTER(c_char), c_uint32, POINTER(c_char), c_uint32, POINTER(c_char), c_uint32, c_uint16, c_bool]
self._dmLib.pychip_OpCreds_AllocateControllerForPythonCommissioningFLow.restype = PyChipError
self._dmLib.pychip_DeviceController_SetIpk.argtypes = [c_void_p, POINTER(c_char), c_size_t]
self._dmLib.pychip_DeviceController_SetIpk.restype = PyChipError
class ChipDeviceController(ChipDeviceControllerBase):
''' The ChipDeviceCommissioner binding, named as ChipDeviceController
TODO: This class contains DEPRECATED functions, we should update the test scripts to avoid the usage of those functions.
'''
def __init__(self, opCredsContext: ctypes.c_void_p, fabricId: int, nodeId: int, adminVendorId: int, catTags: typing.List[int] = [
], paaTrustStorePath: str = "", useTestCommissioner: bool = False, fabricAdmin: FabricAdmin = None, name: str = None, keypair: p256keypair.P256Keypair = None):
super().__init__(
name or
f"caIndex({fabricAdmin.caIndex:x})/fabricId(0x{fabricId:016X})/nodeId(0x{nodeId:016X})"
)
self._dmLib.pychip_DeviceController_SetIssueNOCChainCallbackPythonCallback(_IssueNOCChainCallbackPythonCallback)
pairingDelegate = c_void_p(None)
devCtrl = c_void_p(None)
c_catTags = (c_uint32 * len(catTags))()
for i, item in enumerate(catTags):
c_catTags[i] = item
# TODO(erjiaqing@): Figure out how to control enableServerInteractions for a single device controller (node)
self._externalKeyPair = keypair
self._ChipStack.Call(
lambda: self._dmLib.pychip_OpCreds_AllocateController(c_void_p(
opCredsContext), pointer(devCtrl), pointer(pairingDelegate), fabricId, nodeId, adminVendorId, c_char_p(None if len(paaTrustStorePath) == 0 else str.encode(paaTrustStorePath)), useTestCommissioner, self._ChipStack.enableServerInteractions, c_catTags, len(catTags), None if keypair is None else keypair.native_object)
).raise_on_error()
self._fabricAdmin = fabricAdmin
self._fabricId = fabricId
self._nodeId = nodeId
self._caIndex = fabricAdmin.caIndex
self._set_dev_ctrl(devCtrl=devCtrl, pairingDelegate=pairingDelegate)
self._finish_init()
assert self._fabricId == fabricId
assert self._nodeId == nodeId
@property
def caIndex(self) -> int:
return self._caIndex
@property
def fabricAdmin(self) -> FabricAdmin:
return self._fabricAdmin
def Commission(self, nodeid) -> PyChipError:
'''
Start the auto-commissioning process on a node after establishing a PASE connection.
This function is intended to be used in conjunction with `EstablishPASESessionBLE` or
`EstablishPASESessionIP`. It can be called either before or after the DevicePairingDelegate
receives the OnPairingComplete call. Commissioners that want to perform simple
auto-commissioning should use the supplied "PairDevice" functions above, which will
establish the PASE connection and commission automatically.
Return:
bool: True if successful, False otherwise.
'''
self.CheckIsActive()
self._ChipStack.commissioningCompleteEvent.clear()
self.state = DCState.COMMISSIONING
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_Commission(
self.devCtrl, nodeid)
)
if not self._ChipStack.commissioningCompleteEvent.isSet():
# Error 50 is a timeout
return PyChipError(CHIP_ERROR_TIMEOUT)
return self._ChipStack.commissioningEventRes
def CommissionThread(self, discriminator, setupPinCode, nodeId, threadOperationalDataset: bytes) -> PyChipError:
''' Commissions a Thread device over BLE
'''
self.SetThreadOperationalDataset(threadOperationalDataset)
return self.ConnectBLE(discriminator, setupPinCode, nodeId)
def CommissionWiFi(self, discriminator, setupPinCode, nodeId, ssid: str, credentials: str) -> PyChipError:
''' Commissions a Wi-Fi device over BLE.
'''
self.SetWiFiCredentials(ssid, credentials)
return self.ConnectBLE(discriminator, setupPinCode, nodeId)
def SetWiFiCredentials(self, ssid: str, credentials: str):
''' Set the Wi-Fi credentials to set during commissioning.'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetWiFiCredentials(
ssid.encode("utf-8"), credentials.encode("utf-8"))
).raise_on_error()
def SetThreadOperationalDataset(self, threadOperationalDataset):
''' Set the Thread operational dataset to set during commissioning.'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetThreadOperationalDataset(
threadOperationalDataset, len(threadOperationalDataset))
).raise_on_error()
def ResetCommissioningParameters(self):
''' Sets the commissioning parameters back to the default values.'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_ResetCommissioningParameters()
).raise_on_error()
def SetTimeZone(self, offset: int, validAt: int, name: str = ""):
''' Set the time zone to set during commissioning. Currently only one time zone entry is supported'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetTimeZone(offset, validAt, name.encode("utf-8"))
).raise_on_error()
def SetDSTOffset(self, offset: int, validStarting: int, validUntil: int):
''' Set the DST offset to set during commissioning. Currently only one DST entry is supported'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetDSTOffset(offset, validStarting, validUntil)
).raise_on_error()
def SetDefaultNTP(self, defaultNTP: str):
''' Set the DefaultNTP to set during commissioning'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetDefaultNtp(defaultNTP.encode("utf-8"))
).raise_on_error()
def SetTrustedTimeSource(self, nodeId: int, endpoint: int):
''' Set the trusted time source nodeId to set during commissioning. This must be a node on the commissioner fabric.'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetTrustedTimeSource(nodeId, endpoint)
).raise_on_error()
def SetCheckMatchingFabric(self, check: bool):
''' Instructs the auto-commissioner to perform a matching fabric check before commissioning.'''
self.CheckIsActive()
self._ChipStack.Call(
lambda: self._dmLib.pychip_DeviceController_SetCheckMatchingFabric(check)
).raise_on_error()
def GetFabricCheckResult(self) -> int:
''' Returns the fabric check result if SetCheckMatchingFabric was used.'''
return self.fabricCheckNodeId
def CommissionOnNetwork(self, nodeId: int, setupPinCode: int,
filterType: DiscoveryFilterType = DiscoveryFilterType.NONE, filter: typing.Any = None, discoveryTimeoutMsec: int = 30000) -> PyChipError:
'''
Does the routine for OnNetworkCommissioning, with a filter for mDNS discovery.
Supported filters are:
DiscoveryFilterType.NONE
DiscoveryFilterType.SHORT_DISCRIMINATOR
DiscoveryFilterType.LONG_DISCRIMINATOR
DiscoveryFilterType.VENDOR_ID
DiscoveryFilterType.DEVICE_TYPE
DiscoveryFilterType.COMMISSIONING_MODE
DiscoveryFilterType.INSTANCE_NAME
DiscoveryFilterType.COMMISSIONER
DiscoveryFilterType.COMPRESSED_FABRIC_ID
The filter can be an integer, a string or None depending on the actual type of selected filter.
'''
self.CheckIsActive()
# IP connection will run through full commissioning, so we need to wait
# for the commissioning complete event, not just any callback.
self.state = DCState.COMMISSIONING
# Convert numerical filters to string for passing down to binding.
if isinstance(filter, int):
filter = str(filter)
self._ChipStack.commissioningCompleteEvent.clear()
self._enablePairingCompeleteCallback(True)
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_OnNetworkCommission(
self.devCtrl, self.pairingDelegate, nodeId, setupPinCode, int(filterType), str(filter).encode("utf-8") + b"\x00" if filter is not None else None, discoveryTimeoutMsec)
)
if not self._ChipStack.commissioningCompleteEvent.isSet():
# Error 50 is a timeout
return PyChipError(CHIP_ERROR_TIMEOUT)
return self._ChipStack.commissioningEventRes
def CommissionWithCode(self, setupPayload: str, nodeid: int, discoveryType: DiscoveryType = DiscoveryType.DISCOVERY_ALL) -> PyChipError:
''' Commission with the given nodeid from the setupPayload.
setupPayload may be a QR or manual code.
'''
self.CheckIsActive()
setupPayload = setupPayload.encode() + b'\0'
# IP connection will run through full commissioning, so we need to wait
# for the commissioning complete event, not just any callback.
self.state = DCState.COMMISSIONING
self._ChipStack.commissioningCompleteEvent.clear()
self._enablePairingCompeleteCallback(True)
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_ConnectWithCode(
self.devCtrl, setupPayload, nodeid, discoveryType.value)
)
if not self._ChipStack.commissioningCompleteEvent.isSet():
# Error 50 is a timeout
return PyChipError(CHIP_ERROR_TIMEOUT)
return self._ChipStack.commissioningEventRes
def CommissionIP(self, ipaddr: str, setupPinCode: int, nodeid: int) -> PyChipError:
""" DEPRECATED, DO NOT USE! Use `CommissionOnNetwork` or `CommissionWithCode` """
self.CheckIsActive()
# IP connection will run through full commissioning, so we need to wait
# for the commissioning complete event, not just any callback.
self.state = DCState.COMMISSIONING
self._ChipStack.commissioningCompleteEvent.clear()
self._enablePairingCompeleteCallback(True)
self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_ConnectIP(
self.devCtrl, ipaddr.encode("utf-8"), setupPinCode, nodeid)
)
if not self._ChipStack.commissioningCompleteEvent.isSet():
# Error 50 is a timeout
return PyChipError(CHIP_ERROR_TIMEOUT)
return self._ChipStack.commissioningEventRes
def IssueNOCChain(self, csr: Clusters.OperationalCredentials.Commands.CSRResponse, nodeId: int):
"""Issue an NOC chain using the associated OperationalCredentialsDelegate.
The NOC chain will be provided in TLV cert format."""
self.CheckIsActive()
return self._ChipStack.CallAsync(
lambda: self._dmLib.pychip_DeviceController_IssueNOCChain(
self.devCtrl, py_object(self), csr.NOCSRElements, len(csr.NOCSRElements), nodeId)
)
class BareChipDeviceController(ChipDeviceControllerBase):
''' A bare device controller without AutoCommissioner support.
'''
def __init__(self, operationalKey: p256keypair.P256Keypair, noc: bytes,
icac: typing.Union[bytes, None], rcac: bytes, ipk: typing.Union[bytes, None], adminVendorId: int, name: str = None):
'''Creates a controller without AutoCommissioner.
The allocated controller uses the noc, icac, rcac and ipk instead of the default,
random generated certificates / keys. Which is suitable for creating a controller
for manually signing certificates for testing.
Args:
operationalKey: A P256Keypair object for the operational key of the controller.
noc: The NOC for the controller, in bytes.
icac: The optional ICAC for the controller.
rcac: The RCAC for the controller.
ipk: The optional IPK for the controller, when None is provided, the defaultIpk
will be used.
adminVendorId: The adminVendorId of the controller.
name: The name of the controller, for debugging use only.
'''
super().__init__(name or f"ctrl(v/{adminVendorId})")
pairingDelegate = c_void_p(None)
devCtrl = c_void_p(None)
# Device should hold a reference to the key to avoid it being GC-ed.
self._externalKeyPair = operationalKey
nativeKey = operationalKey.create_native_object()
self._ChipStack.Call(
lambda: self._dmLib.pychip_OpCreds_AllocateControllerForPythonCommissioningFLow(
c_void_p(devCtrl), c_void_p(pairingDelegate), nativeKey, noc, len(noc), icac, len(icac) if icac else 0, rcac, len(rcac), ipk, len(ipk) if ipk else 0, adminVendorId, self._ChipStack.enableServerInteractions)
).raise_on_error()
self._set_dev_ctrl(devCtrl, pairingDelegate)
self._finish_init()