This API describes the interface shown by the Health plugin through d-bus
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+BlueZ D-Bus Health API description
+**********************************
+
+ Santiago Carot-Nemesio <sancane@xxxxxxxxx>
+ José Antonio Santos-Cadenas <santoscadenas@xxxxxxxxx>
+ Elvis Pfützenreuter <epx@xxxxxxxxxxx>
+
+Health Device Profile hierarchy
+===============================
+
+Service org.bluez
+Interface org.bluez.HealthAdapter
+Object path [variable prefix]/{hci0,hci1,...}
+
+Methods:
+
+ uint32 CreateInstance(object path, dict config)
+
+ Returns the id of the new created instance. The path parameter
+ is the path of the remote object with the callbacks to notify
+ events (see org.bluez.HealthAgent at the end of this document)
+ This petition starts an mcap instance and also register in the
+ SDP if is needed.
+
+ Dict is defined as bellow:
+ { "data_spec" : The data_spec is the data exchange specification
+ (see section 5.2.10 of the specification
+ document) possible values:
+ 0x00 = reserved,
+ 0x01 [IEEE 11073-20601],
+ 0x02..0xff reserved,
+ (optional)
+ "end_points" : [{ (optional)
+ "mdepid" : uint8, (optional)
+ "role" : ("source" or "sink"), (mandatory)
+ "specs" :[{ (mandatory)
+ "data_type" : uint16, (mandatory)
+ "description" : string, (optional)
+ }]
+ }]
+ }
+
+ if "data_spec" is not set, no SDP record will be registered, so
+ all the other data in the dictionary will be ignored.
+
+ Instance will be closed by the call or implicitly when the
+ programs leaves the bus.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+
+ void CloseInstance(uint32 )
+
+ Closes the HDP instance identified by the object path. Also
+ instance will be closed if the process that started leaves the
+ bus. If there is a SDP record associated to this instance it
+ will be removed.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.NotFound
+
+--------------------------------------------------------------------------------
+
+Service org.bluez
+Interface org.bluez.HealthDevice
+Object path [variable prefix]/{hci0,hci1,...}/dev_XX_XX_XX_XX_XX_XX
+
+Methods:
+
+ array GetHealthInstances()
+
+ Gets the information of the remote instances present in this
+ device and published on its SDP record. The returned data
+ follows this format.
+
+ [{"id": uint32,
+ "data_spec" : data spec,
+ "end_points":
+ ["mdepid": uint8,
+ "role" : "source" or "sink" ,
+ "specs" : [{
+ "dtype" : uint16,
+ "description" : string, (optional)
+ }]
+ ]
+ }];
+
+ object Connect(uint32 local_instance_id, uint32 remote_instance_id)
+
+ Connects the local instance with the remote instance and returns
+ the path of the HealthLink object. You should get the remote
+ instance id running GetHealthInstances.
+
+ Only the bus client that created the local session will be able
+ to create connections using it.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.HealthError
+
+ void Disconnect(object link, boolean cache)
+
+ Disconnect from the link. If cache is false, state will also be
+ deleted. Otherwise, the state will be kept for allowing future
+ reconnections until the adapter holding the local session is
+ removed.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.NotFound
+ org.bluez.Error.HealthError
+
+--------------------------------------------------------------------------------
+
+Service org.bluez
+Interface org.bluez.HealthLink
+Object path [variable prefix]/{hci0,hci1,...}/{hdp0,hdp1,...}/rem_inst_id
+
+Methods:
+
+ boolean Echo(array{byte})
+
+ Sends an echo petition to the remote intance. Returns True if
+ response matches with the buffer sent. If some error is detected
+ False value is returned and the associated MCL is closed.
+
+ uint16 OpenDataChannel(byte mdepid, byte config)
+
+ Creates a new data channel with the indicated config to the
+ remote MCAP Data End Point (MDEP).
+ The configuration should indicate the channel quality of
+ service. In the current version of HDP, valid values are 0x01
+ for reliable channels and 0x02 for streaming data channel.
+
+ Returns the data channel id.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.HealthError
+
+ array GetDataChannelFileDescriptor(uint16 mdlid)
+
+ Gets a file descriptor where data can be read or
+ written for receive or sent by the data channel.
+ Returns an array of file descriptors one for write
+ and other for read.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.NotFound
+ org.bluez.Error.HealthError
+
+ void DeleteDataChannel(uint16 mdlid)
+
+ Deletes a data channel so it will not be available for
+ use.
+
+ Possible errors: org.bluez.Error.InvalidArguments
+ org.bluez.Error.NotFound
+ org.bluez.Error.HealthError
+
+ void DeleteAllDataChannels()
+
+ Deletes all data channels so it will not be available
+ for use. Typically this function is called when the
+ connection with the remote device will be closed
+ permanently
+
+ Possible errors: org.bluez.Error.HealthError
+
+ dict GetDataChannelStatus()
+
+ Return a dictionary with all the data channels that
+ can be used to send data right now. The dictionary
+ is formed like follows:
+ {
+ "reliable": [mdlid_r1, mdlid_r2, ...],
+ "streaming" : [mdlid_s1, mdlid_s2, ...]
+ }
+
+ The fist reliable data channel will always be the first
+ data channel in reliable array.
+
+HealthAgent hierarchy
+=====================
+
+(this object is implemented by the HDP user in order to receive notifications)
+
+Service unique name
+Interface org.bluez.HealthAgent
+Object path freely definable
+
+Methods:
+
+ void LinkConnected(object path)
+
+ This method is called whenever a new connection has been
+ established over the control channel of the current HDP
+ instance. The object path paremeter contains the object path of
+ the created HealthLink.
+
+ void LinkDisconnected(object path)
+
+ This method is called when a remote device is disconnected
+ definitively. Any future reconnections will fail. Also all data
+ channels associated to this device will be closed.
+
+ void CreatedDataChannel(object path, uint16 mdlid, byte conf)
+
+ This method is called when a new data channel is created
+
+ The path contains the object path of the HealthLink where the
+ new connection is created, the mdlid is the data channel
+ identificator and conf is the que quality of service of the data
+ channel (0x01 reliable, 0x02 streaming).
+
+ void DeletedDataChannel(object path, uint16 mdlid)
+
+ This method is called when a data channel is closed.
+
+ After this call the data channel id will not be valid and can be
+ reused for future created data channels.
--
1.6.3.3
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