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Merge pull request #718 from zxzxwu/l2cap

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Migrate L2CAP packets to dataclasses
This commit is contained in:
zxzxwu
2025-07-20 18:38:19 +08:00
committed by GitHub
parent d8a43f0151 858788f05e
commit 1a81c5d05c
3 changed files with 304 additions and 380 deletions
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9
bumble/helpers.py
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@@ -34,9 +34,8 @@ from bumble.att import ATT_CID, ATT_PDU
from bumble.smp import SMP_CID, SMP_Command
from bumble.core import name_or_number
from bumble.l2cap import (
CommandCode,
L2CAP_PDU,
L2CAP_CONNECTION_REQUEST,
L2CAP_CONNECTION_RESPONSE,
L2CAP_SIGNALING_CID,
L2CAP_LE_SIGNALING_CID,
L2CAP_Control_Frame,
@@ -106,14 +105,14 @@ class PacketTracer:
self.analyzer.emit(control_frame)
# Check if this signals a new channel
if control_frame.code == L2CAP_CONNECTION_REQUEST:
if control_frame.code == CommandCode.L2CAP_CONNECTION_REQUEST:
connection_request = cast(L2CAP_Connection_Request, control_frame)
self.psms[connection_request.source_cid] = connection_request.psm
elif control_frame.code == L2CAP_CONNECTION_RESPONSE:
elif control_frame.code == CommandCode.L2CAP_CONNECTION_RESPONSE:
connection_response = cast(L2CAP_Connection_Response, control_frame)
if (
connection_response.result
== L2CAP_Connection_Response.CONNECTION_SUCCESSFUL
== L2CAP_Connection_Response.Result.CONNECTION_SUCCESSFUL
):
if self.peer and (
psm := self.peer.psms.get(connection_response.source_cid)

551
bumble/l2cap.py
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File diff suppressed because it is too large Load Diff

4
tests/l2cap_test.py
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@@ -68,11 +68,13 @@ def test_helpers():
assert offset == 4
assert psm == 0x242311
rq = L2CAP_Connection_Request(psm=0x01, source_cid=0x44)
rq = L2CAP_Connection_Request(psm=0x01, source_cid=0x44, identifier=0x88)
brq = bytes(rq)
srq = L2CAP_Connection_Request.from_bytes(brq)
assert isinstance(srq, L2CAP_Connection_Request)
assert srq.psm == rq.psm
assert srq.source_cid == rq.source_cid
assert srq.identifier == rq.identifier
# -----------------------------------------------------------------------------