MgmtTypes: Support PAIR_DEVICE (async - pending reply), CANCEL_PAIR_DEVICE and UNPAIR_DEVICE: DBTManager <-> DBTDevice

PAIR_DEVICE's COMMAND_COMPLETE reply -> Synthetic pending event PAIR_DEVICE_COMPLETE (MgmtEvtPairDeviceComplete)

- Testing disclosed that Mgmt's pairDevice(..) is not suitable nor stable
  - within our workflow: SCAN - FOUND - *CONNECT or PAIR* ..
  - Can't call adapter.stopDiscovery() after FOUND, otherwise pairDevice() fails
  - Not able to set all scan params (even though connection params can be frontloaded)
  - Not producing proper PRE_PAIRED behavior (ALREADY_PAIRED doesn't allow us to GATT process)

  The above despite the very usable way of setting SMPIOCapability per connection
  w/o our hacky blocked per adapter setting (one connect command at one time).

  However, having it supported for testing, allowed us to compare with our workflow
  and just using connect.

1 files changed, 6 insertions, 1 deletions

diff --git a/api/direct_bt/DBTManager.hpp b/api/direct_bt/DBTManager.hpp
index aaf046b3..9053d9bd 100644
--- a/api/direct_bt/DBTManager.hpp
+++ b/api/direct_bt/DBTManager.hpp
@@ -224,7 +224,7 @@ namespace direct_bt {
             pthread_t mgmtReaderThreadId;
             jau::relaxed_atomic_bool mgmtReaderRunning;
 
-            std::recursive_mutex mtx_sendReply; // for sendWithReply
+            std::recursive_mutex mtx_sendReply; // for send() and sendWithReply()
 
             jau::sc_atomic_bool allowClose;
 
@@ -253,6 +253,8 @@ namespace direct_bt {
              */
             std::shared_ptr<MgmtEvent> sendWithReply(MgmtCommand &req) noexcept;
 
+            bool send(MgmtCommand &req) noexcept;
+
             /**
              * Instantiate singleton.
              * @param btMode default {@link BTMode} when initializing new adapter. If BTMode::NONE given, MgmtEnv::DEFAULT_BTMODE is being used.
@@ -442,6 +444,9 @@ namespace direct_bt {
             MgmtStatus userPasskeyNegativeReply(const uint16_t dev_id, const EUI48 &address, const BDAddressType addressType) noexcept;
             MgmtStatus userConfirmReply(const uint16_t dev_id, const EUI48 &address, const BDAddressType addressType, const bool positive) noexcept;
 
+            bool pairDevice(const uint16_t dev_id, const EUI48 &address, const BDAddressType addressType, const SMPIOCapability iocap) noexcept;
+            MgmtStatus unpairDevice(const uint16_t dev_id, const EUI48 &address, const BDAddressType addressType, const bool disconnect) noexcept;
+
             /** MgmtEventCallback handling  */
 
             /**