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98 lines
4.1 KiB
98 lines
4.1 KiB
#!/usr/bin/env python3
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#
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# Copyright 2020 - The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from google.protobuf import empty_pb2 as empty_proto
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from cert.event_stream import EventStream
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from cert.event_stream import IEventStream
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from cert.captures import HciCaptures
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from cert.closable import Closable
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from cert.closable import safeClose
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from bluetooth_packets_python3 import hci_packets
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from cert.truth import assertThat
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from hci.facade import acl_manager_facade_pb2 as acl_manager_facade
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class PyAclManagerAclConnection(IEventStream, Closable):
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def __init__(self, acl_manager, remote_addr, handle, event_stream):
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self.acl_manager = acl_manager
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self.handle = handle
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self.remote_addr = remote_addr
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self.connection_event_stream = event_stream
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self.acl_stream = EventStream(self.acl_manager.FetchAclData(acl_manager_facade.HandleMsg(handle=self.handle)))
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def disconnect(self, reason):
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packet_bytes = bytes(hci_packets.DisconnectBuilder(self.handle, reason).Serialize())
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self.acl_manager.ConnectionCommand(acl_manager_facade.ConnectionCommandMsg(packet=packet_bytes))
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def close(self):
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safeClose(self.connection_event_stream)
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safeClose(self.acl_stream)
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def wait_for_disconnection_complete(self):
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disconnection_complete = HciCaptures.DisconnectionCompleteCapture()
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assertThat(self.connection_event_stream).emits(disconnection_complete)
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self.disconnect_reason = disconnection_complete.get().GetReason()
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def send(self, data):
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self.acl_manager.SendAclData(acl_manager_facade.AclData(handle=self.handle, payload=bytes(data)))
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def get_event_queue(self):
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return self.acl_stream.get_event_queue()
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class PyAclManager:
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def __init__(self, device):
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self.acl_manager = device.hci_acl_manager
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self.incoming_connection_event_stream = None
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self.outgoing_connection_event_stream = None
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def close(self):
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safeClose(self.incoming_connection_event_stream)
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safeClose(self.outgoing_connection_event_stream)
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def listen_for_an_incoming_connection(self):
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assertThat(self.incoming_connection_event_stream).isNone()
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self.incoming_connection_event_stream = EventStream(
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self.acl_manager.FetchIncomingConnection(empty_proto.Empty()))
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def initiate_connection(self, remote_addr):
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assertThat(self.outgoing_connection_event_stream).isNone()
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remote_addr_bytes = bytes(remote_addr, 'utf8') if type(remote_addr) is str else bytes(remote_addr)
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self.outgoing_connection_event_stream = EventStream(
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self.acl_manager.CreateConnection(acl_manager_facade.ConnectionMsg(address=remote_addr_bytes)))
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def complete_connection(self, event_stream):
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connection_complete = HciCaptures.ConnectionCompleteCapture()
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assertThat(event_stream).emits(connection_complete)
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complete = connection_complete.get()
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handle = complete.GetConnectionHandle()
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address = complete.GetBdAddr()
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return PyAclManagerAclConnection(self.acl_manager, address, handle, event_stream)
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def complete_incoming_connection(self):
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assertThat(self.incoming_connection_event_stream).isNotNone()
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event_stream = self.incoming_connection_event_stream
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self.incoming_connection_event_stream = None
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return self.complete_connection(event_stream)
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def complete_outgoing_connection(self):
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assertThat(self.outgoing_connection_event_stream).isNotNone()
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event_stream = self.outgoing_connection_event_stream
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self.outgoing_connection_event_stream = None
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return self.complete_connection(event_stream)
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