def _receptionHandler(self, data):
if len(data) > 5:
l2cap_data = data[5:]
else:
log.debug("Received invalid L2CAP data at handler: %s", data)
return
# prioritize specific CID handlers
(length, cid) = struct.unpack_from("hh", l2cap_data)
log.debug("Received L2CAP data for cid: %d, %s", cid,
binascii.hexlify(l2cap_data))
if cid in self.cidHandlers:
for handler in self.cidHandlers[cid]:
handler(l2cap_data[4:])
for handler in self.handlers:
handler(l2cap_data[4:])
def sendACL(self, data):
data_len = p16(len(data))
handle = p16(self.handle | 0x2000)
log.debug("Sent acl data: %s", binascii.hexlify(data).decode("utf-8"))
self.core.sendH4(0x02, handle + data_len + data)
def registerACLHandler(self, handler):
self.aclHandlers.append(handler)
log.debug("Registered new acl handler")
def _aclEventHandler(self, data):
log.debug("Received ACL data: %s",
binascii.hexlify(data).decode("utf-8"))
for handler in self.aclHandlers:
handler(data)
def registerCIDHandler(self, handler, cid):
if cid not in self.cidHandlers:
self.cidHandlers[cid] = []
self.cidHandlers[cid].append(handler)
log.debug("Registered L2CAP handler for CID %d", cid)
def registerHandler(self, handler):
self.handlers.append(handler)
log.debug("Registered L2CAP handler")
def sendData(self, data, cid):
data_len = len(data)
# if data_len > mtu
log.debug("Sent L2CAP data to channel: %d, data: %s", cid,
binascii.hexlify(data))
self.connection.sendACL(p16(data_len) + p16(cid) + data)