Hi Marcel, On Mon, Aug 28, 2017 at 5:21 PM, Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote: > Hi Luiz, > >> Since essencially what this filter would be doing is disable duplicate >> for data use it instead of ResetData. >> --- >> doc/adapter-api.txt | 9 +++++---- >> src/adapter.c | 32 ++++++++++++++++---------------- >> src/device.c | 8 ++++---- >> src/device.h | 5 +++-- >> 4 files changed, 28 insertions(+), 26 deletions(-) >> >> diff --git a/doc/adapter-api.txt b/doc/adapter-api.txt >> index c2898694d..eaf96f36c 100644 >> --- a/doc/adapter-api.txt >> +++ b/doc/adapter-api.txt >> @@ -58,7 +58,8 @@ Methods void StartDiscovery() >> int16 RSSI : RSSI threshold value >> uint16 Pathloss : Pathloss threshold value >> string Transport : type of scan to run >> - bool ResetData : Reset advertisement data >> + bool DuplicateData : Disables duplicate >> + detection of advertisement data. >> >> When a remote device is found that advertises any UUID >> from UUIDs, it will be reported if: >> @@ -91,9 +92,9 @@ Methods void StartDiscovery() >> the RSSI delta-threshold, that is imposed by >> StartDiscovery by default, will not be applied. >> >> - If ResetData is enabled PropertiesChanged signals will >> - be generated for either ManufacturerData and ServiceData >> - everytime they are discovered. >> + If DuplicateData is enabled PropertiesChanged signals >> + will be generated for either ManufacturerData and >> + ServiceData everytime they are discovered. > > mention that this is false by default when omitted. Will add it to the documentation. > We should in addition state that even if this is omitted or set to false, the duplicate filtering is best-effort and not guaranteed. Unless we actually plan to have a huge report cache in bluetoothd. It checks if it is duplicated from the last received report, there is no report aggregation, so the caching is really minimal just to avoid sending PropertiesChanges with the same data when scanning. > Regards > > Marcel > -- Luiz Augusto von Dentz -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
