audio: Add retries for BT proxy port registration
When ModuleBluetooth::createProxy is invoked on BT device
connection, the BT stack may not be fully ready yet,
and port registration can fail. This is an intermittent
state and registration should succeed after retrying.
Bug: 320838889
Test: atest pts-bot:A2DP/SRC/REL/BV-02-I
Change-Id: I0c7cf7c1c6a8ee03ef55b004f89139e3b56ee9cd
diff --git a/audio/aidl/default/bluetooth/ModuleBluetooth.cpp b/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
index 9084b30..ac375a0 100644
--- a/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
+++ b/audio/aidl/default/bluetooth/ModuleBluetooth.cpp
@@ -299,7 +299,13 @@
: std::shared_ptr<BluetoothAudioPortAidl>(
std::make_shared<BluetoothAudioPortAidlOut>());
const auto& devicePort = audioPort.ext.get<AudioPortExt::device>();
- if (const auto device = devicePort.device.type; !proxy.ptr->registerPort(device)) {
+ const auto device = devicePort.device.type;
+ bool registrationSuccess = false;
+ for (int i = 0; i < kCreateProxyRetries && !registrationSuccess; ++i) {
+ registrationSuccess = proxy.ptr->registerPort(device);
+ usleep(kCreateProxyRetrySleepMs * 1000);
+ }
+ if (!registrationSuccess) {
LOG(ERROR) << __func__ << ": failed to register BT port for " << device.toString();
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
diff --git a/audio/aidl/default/include/core-impl/ModuleBluetooth.h b/audio/aidl/default/include/core-impl/ModuleBluetooth.h
index 9451411..b95b526 100644
--- a/audio/aidl/default/include/core-impl/ModuleBluetooth.h
+++ b/audio/aidl/default/include/core-impl/ModuleBluetooth.h
@@ -85,6 +85,8 @@
ndk::ScopedAStatus findOrCreateProxy(
const ::aidl::android::media::audio::common::AudioPort& audioPort, CachedProxy& proxy);
+ static constexpr int kCreateProxyRetries = 5;
+ static constexpr int kCreateProxyRetrySleepMs = 250;
ChildInterface<BluetoothA2dp> mBluetoothA2dp;
ChildInterface<BluetoothLe> mBluetoothLe;
std::map<int32_t /*instantiated device port ID*/, CachedProxy> mProxies;