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The return value of BTM_VendorSpecificCommand is currently just an
information wether the callback was passed to it or not, but many places
through stack use this value as error indication. Remove it.

Test: unit tests pass
Change-Id: Idf73fc49fb25e52c3aeb64f2305b4498ecacd9a4

btsnd_hcic_* functions are always returning true, so this return value
is not really useful.

Test: unit tests pass
Change-Id: I06ced65392d180ceed565e45b7831de6aede283c

btsnd_hcic_* functions return only true. This patch makes sure that no
logic is waiting for "false" value.
Few methods, that had their return value dependent on result of
btsnd_hcic_* were made void.

Test: unit tests pass
Change-Id: I43cff62f461ff35f4bd84e5338f1a587b6a05c58

Incorrect size check for UHID_OUTPUT_EV for incoming data from
UHID driver of kernel was leading to exiting of poll thread.
This was causing IOT issues with Apple Magic Mouse that require
output report to be sent for proper functioning of scroll functionality.

Bug: 28942565
Change-Id: I2eaba1f70b7cd51fb21933031d439543eb141fd2

Use case: BT will get crash in SNS testing.

steps: SNS testing BT ON/OFF.

Failure: Crash is observed.

Root Cause: If the number of supported services increased,
larger service record array is required. Smaller array is
resulting in out of record error causing L2CAP deregister.

Fix: Check added to avoid null pointer exception if null
is returned while fetching sock from id. Also cleanup of
SDP and security records done during BT turning Off.

Change-Id: I2e77127262119cabf2c372f894427dcdf3350e80

Currently we have some unnecessary complicated code for handling
advertising data. Get rid of it.

Bug: 30622771
Test: Tests making sure flags and tx power are filled are added
Change-Id: I807cdf11577c357c116c54cab50bbf3261e1ee16

Use the (new) A2D_IsPeerSinkCodecValid() API call as appropriate
to check whether the codec information of a Sink peer is valid.
Previously, A2D_IsSourceCodecSupported() was used, and that didn't
match the original code (before the refactoring).
A2D_IsSourceCodecSupported() has extra checks, including min/max bitpool
oundaries, and those shouldn't be used for this initial check - the
bitpool boundaries can be adjusted later.

Similarly, use the new A2D_IsPeerSourceCodecValid() API call instead of
A2D_IsSinkCodecSupported().

Also:
 * Replaced A2D_IsValidCodec() with
   A2D_IsSourceCodecValid(), A2D_IsSinkCodecValid()
   A2D_IsPeerSourceCodecValid(), A2D_IsPeerSinkCodecValid()
   and added the appropriate unit tests.

 * Added extra debug messages to help identify similar issues in the future

Bug: 31749230
Test: manual test with a carkit, and unit tests
Change-Id: Iafaeb82744df9758e686194c91624992a0c55bdf

Change-Id: I6e68f80d0d97081a4fc3879e6c11342923cfef7b

This patch turns the code that manages LE multi-advertising into the
BleAdvertisingManager class. All HCI calls made by this code were
abstracted into BleAdvertiserHciInterface.

Thanks to those changes, we can mock BleAdvertiserHciInterface and test
the advertising manager.

The BleAdvertisingManagerTest, still has some dependencies on other
code from the "stack" module. These have to be implemented on top of the
test file. In the future, this dependencies should be replaced by mockable
classes.

Test: Tests covering the change are added in this patch.
Bug: 30622771
Change-Id: I4a363678815c235ee01255f462db2a671ef89610

cd vendor_libs/test_vendor_lib/
clang-format ../linux/bt_vendor_linux.c -style=file -i
clang-format include/* test/* src/* -style=file -i

Update the style guide since clang-format help uses the
-style=file option.

Test: mm -j32
Change-Id: I166adfb2bb9a87fefa1242c91e5f180011caa2ad

Test: compile
Bug: 26552300
Bug: 31289077
Change-Id: I8fb392150441ca5b6bc43dc43a10a3009e22202b

Actually, remove reference, android logging is not used here.

Test: compile
Bug: 26552300
Bug: 31289077
Change-Id: I37731dc37f61c129f3440e5d9ff1d0e71fe193d0

If the GATT service cache was successfully loaded from a file, the
state must be reset to idle.

Bug: 31175159
Change-Id: I92ebf1bec9d2e7467d7412b41923614ec5a13b6d

Moved all controller actions out of read callbacks to task callbacks to
avoid race conditions when modifying internal controller state.

Change-Id: Ie8bb762992755db2dddb6b7bb6a4fe52ab2d0020

Bug: 31274290
Test: Manual
Change-Id: I5a4bff5e25b08a32709cdc81bac86a641d80f113

if an LE device is found during an LE scan, the BT host will try to fetch its name (creating an LE
connection) even though the advertising report received indicates that it is a non-connectable
advertising.
This is pointless and should not happen.

Change-Id: I246e4795b4f4e33f3202908ebff3724e8e89523c

Change-Id: I482f1096e87966f33ba8584ea60188abab3bcc42

If the string argument of send_at_cmd is a null pointer,
then the function should not crash: indeed this is a valid
parameters which can be used to send an AT cmd which doesn't
require any extra parameter.

Test: trivial fix. Existing unit tests still pass.
Change-Id: I3d83eebed660d703cd5a93a19dc73f4f354ab7bf
Signed-off-by: Sebastien Griffoul <sebastien.griffoul@intel.com>

Currently, only C++ code in the service/ folder can use libbase logging.
This patch makes sure that logging can be used and is properly
configured for usage when the stack is running as part of Bluetooth.apk.

Bug: 31806042
Change-Id: I1f8be79ba9999b53ece0b5217a893b4bd20ecafc

Currently after 100 devices are added to the device security database,
any subsequent LE connection to a newly discovered LE device address
will fail as entries in the security record database are not reused.

This patch removes a device record if the device itself is removed and
also ensures that the oldest device security record is deleted if the
limit is reached to ensure a new record can be allocated.

Bug: 31625900
Test: SL4A multi-device connection test + regression
Change-Id: I22f6c82c64a9a9bfb2a16d79182903e5aa011355
(cherry picked from commit 013c32bf)

Build-only change to support the multilib case where the second arch
is translated (and thus bluetooth library is needed).

"True" multilib case is explicitly not supported.

Test: Build system refactoring CL. Existing unit tests still pass.

BUG=31422117

Change-Id: I09f239d39f5dbe0848a89367327db1ea1074ca39

Right now, data types, control blocks, and functions used in the BTM
layer are defined in the same header files. This means that if someone
wants to write a test that uses those data types, they must also define
all control blocks, or compile the whole module.

This patch separates the data types from other definitions. Thanks to
it, we will be able to write unit tests, once other dependencies get
separated.

Change-Id: Ibc089e273cc37642fbb8672964b266c20f8d825d

Right now, LE multi advertising related code uses it's own
implementation of queue on top of static array. Use std::queue, and
base::Callback instead.

Changing function pointers to base::Callback instances is required for
further refactoring, which will turn this code into class.

Bug: 30622771
Test: sl4a BleAdvertiseApiTest ConcurrentBleAdvertisingTest
Change-Id: I839e036c6edb4e19a17def4d68d351296468f88c

In case the server cache does not exist for a specific
connection, the API used to copy the server DB into the
DB structure needs to return immediately. This change
makes sure of that and prevents dereferencing of a null
block causing the runtime error.

Change-Id: Iec3040a1280ef9d80b1b9c76eca8071dff499411

This patch converts btm_ble_multi_adv.c file to .cc. It also separate
header definitions from rest of BTM layer. It is another step towards
making BLE advertising-related code testable.

Bug: 30622771
Change-Id: I89965e10fbf773e48176ee19ef613dd0df2fb951

The value of codec_type can be extracted from the codec_info,
so it is not needed to pass it around as an argument, or keep
it as an field.

Also:
* Added new APIs and the corresponding unit tests:
  - A2D_GetPacketTimestamp()
  - A2D_BuildCodecHeader() - replacement for bta_av_sbc_bld_hdr()
  - A2D_CodecName()
* Replaced tBTA_AV_SEP.codec_type with tBTA_AV_SEP.codec_info

Bug: 30958229
Test: A2DP tested manually. Unit tests included in the CL.
Change-Id: I3bfd4750e8639d77a9938ab3c274c9d6ea859fb6

Bug: 31466840
Change-Id: Ibd8f8b85eb59be8bfbb8a7c83b5935802624a748

If enable the "connection parameters update" during GATT discovery,
it may cause some device connection failure due to connection timeout.
Since the the "connection parameter update" is enabled again when GATT
discovery completed, remove the enable of "connection parameter update"
after SMP complete to fix the issue.

This issue was already fixed in commit 2d41fe1c, but then it was
re-introduced in commit 444a8da8, which also removed comment explaining
the issue, added back in this patch.

Bug: 29060797
Change-Id: I42b0b36056821c30d887484e22bfcbd04ea7ca03

Bug: 31533166
Change-Id: Ia04e9c51280a3e379c0670b39a84eb5a53c5332b

Motorola Roadster is advertizing Absolute Volume but it has a
buggy implementation.

Bug: 29740052
Change-Id: I18c1a2f03617669138be2e7e1d9c7bb391cd1129