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Add the Bluetooth agent API (for BlueZ) v2 #2074

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Add the Bluetooth agent API (for BlueZ) v2 #2074

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Commits on May 25, 2016

  1. sol-gatt: Update the none implementation 

    The sol-gatt API has changed, so we must keep the none implementation up
to date so it at least compiles.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  2. sol-bluetooth: Introduce the agent API 

    The agent will be used when request user input, necessary mostly when
pairing. The API is heavily based on the Zephyr's API, which maps nicely
to the BlueZ D-Bus API.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  3. sol-bluetooth: Implement the agent API for BlueZ 

    The agent will allow to user input to be handled so pairing procedures
and the user can properly authorize and provide input.

In Bluetooth, depending on the input/output capabilities of the
device the pairing may use different procedures with different security
characteristics, the choice of the input/output capabilities
with the agent API depend on which of the agent callbacks are
implemented.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  4. samples/bluetooth: Add a simple-pair sample 

    This sample tries pairing with the device (if provided) implementing
only the pairing_confirm() callback, which means that the capabilties
would be equivalent to a device which implements the "DisplayYesNo"
capability.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  5. samples/bluetooth: Print the device name when browsing 

    Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  6. sol-gatt: Add sol_gatt_pending_get_conn() 

    This allows the connection in which a GATT operation is happening to be
retrieved by the pending handle.

This may be useful when the value of characteristic is different
depending on the device accessing it, for example.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  7. sol-bluetooth: Fix receiving pairing attempts 

    When receiving a pairing attempt, it's possible that there aren't any
'sol_bt_conn' objects associated yet, in that case, the connection
object must be created.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  8. sol-gatt: Update to the new BlueZ API 

    Since commit "93b64d9ca8a2bb6 doc/gatt-api: Add options dictionary to
ReadValue/WriteValue" BlueZ passes a dictionary to its
ReadValue()/WriteValue() operations, informing the device which is
making the operation and the offset of the operation.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  9. sol-bus: Add a helper to parse dictionaries 

    In D-Bus, there isn't the concept of dictionaries, only dictionary
entries and arrays, and using them is pretty common, so it makes sense
to provide a helper to parse dictionaries.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  10. sol-gatt: Use sol_bus_parse_dict() to parse methods arguments 

    Now that sol_bus_parse_dict() is available, we can make use of it.

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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  11. sol-gatt: Fix keeping pending callbacks around 

    There was a problem that some cases of GATT pending callback were being
kept around for more time than was necessary.

For that to work it was also needed to pay more attention to the lifetime
of the buffer passed to sol_gatt_pending_reply().

Signed-off-by: Vinicius Costa Gomes <[email protected]>
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