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Commit bfefa217 authored by Hansong Zhang's avatar Hansong Zhang Committed by Automerger Merge Worker
Browse files

Shim hack: Add SCO disconnect callback am: b1b61f90 am: aae12e0c am: 68044e81 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1547314

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia2e3bdc944c73dad708bef37245a52cdcaded52e
parents 77d442cd 68044e81

system/gd/hci/acl_manager.cc

+4 −0
Original line number Diff line number Diff line
@@ -245,6 +245,10 @@ uint16_t AclManager::HACK_GetLeHandle(Address address) { 
  return pimpl_->le_impl_->HACK_get_handle(address);

}



void AclManager::HACK_SetScoDisconnectCallback(std::function<void(uint16_t, uint8_t)> callback) {

  pimpl_->classic_impl_->HACK_SetScoDisconnectCallback(callback);

}



void AclManager::ListDependencies(ModuleList* list) {

  list->add<HciLayer>();

  list->add<Controller>();

system/gd/hci/acl_manager.h

+69 −62
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 


#pragma once



#include <functional>

#include <memory>



#include "common/bidi_queue.h"
@@ -37,12 +38,15 @@ class SecurityModule; 
}

namespace shim {

class Btm;

void L2CA_UseLegacySecurityModule();

}



namespace hci {



class AclManager : public Module {

 friend class bluetooth::shim::Btm;

 friend void bluetooth::shim::L2CA_UseLegacySecurityModule();



public:

 AclManager();

 // NOTE: It is necessary to forward declare a default destructor that overrides the base class one, because
@@ -122,6 +126,9 @@ class AclManager : public Module { 
 virtual uint16_t HACK_GetHandle(const Address address);

 virtual uint16_t HACK_GetLeHandle(const Address address);



 // Hack for the shim to get SCO disconnect callback.  Shim needs to post to their handler!

 virtual void HACK_SetScoDisconnectCallback(std::function<void(uint16_t /* handle */, uint8_t /* reason */)>);



 struct impl;

 std::unique_ptr<impl> pimpl_;

system/gd/hci/acl_manager/classic_impl.h

+11 −0
Original line number Diff line number Diff line
@@ -134,6 +134,11 @@ struct classic_impl : public security::ISecurityManagerListener { 
      round_robin_scheduler_->Unregister(handle);

      callbacks->OnDisconnection(reason);

      acl_connections_.erase(handle);

    } else {

      // This handle is probably for SCO, so we use the callback workaround.

      if (sco_disconnect_callback_ != nullptr) {

        sco_disconnect_callback_(handle, static_cast<uint8_t>(reason));

      }

    }

  }
@@ -631,6 +636,10 @@ struct classic_impl : public security::ISecurityManagerListener { 
    return 0xFFFF;

  }



  void HACK_SetScoDisconnectCallback(std::function<void(uint16_t, uint8_t)> callback) {

    sco_disconnect_callback_ = callback;

  }



  HciLayer* hci_layer_ = nullptr;

  Controller* controller_ = nullptr;

  RoundRobinScheduler* round_robin_scheduler_ = nullptr;
@@ -646,6 +655,8 @@ struct classic_impl : public security::ISecurityManagerListener { 


  std::unique_ptr<security::SecurityManager> security_manager_;

  bool crash_on_unknown_handle_ = false;



  std::function<void(uint16_t, uint8_t)> sco_disconnect_callback_;

};



}  // namespace acl_manager

system/main/shim/l2c_api.cc

+7 −0
Original line number Diff line number Diff line
@@ -585,6 +585,11 @@ bool L2CA_ReadRemoteVersion(const RawAddress& addr, uint8_t* lmp_version, 
  return true;

}



static void on_sco_disconnect(uint16_t handle, uint8_t reason) {

  GetGdShimHandler()->Post(

      base::BindOnce(base::IgnoreResult(&btm_sco_removed), handle, reason));

}



void L2CA_UseLegacySecurityModule() {

  LOG_INFO("GD L2cap is using legacy security module");

  GetL2capClassicModule()->SetLinkPropertyListener(
@@ -616,6 +621,8 @@ void L2CA_UseLegacySecurityModule() { 
  GetAclManager()->SetPrivacyPolicyForInitiatorAddress(

      address_policy, empty_address_with_type, rotation_irk,

      minimum_rotation_time, maximum_rotation_time);



  GetAclManager()->HACK_SetScoDisconnectCallback(on_sco_disconnect);

}



/**