Bluetooth: macOS: Adding logs

device/bluetooth/bluetooth_remote_gatt_service_mac.mm

Index: device/bluetooth/bluetooth_remote_gatt_service_mac.mm
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_mac.mm b/device/bluetooth/bluetooth_remote_gatt_service_mac.mm
index 505321e6aa15a60eb11cd9cf1f988f6c3a5d2d3d..5d2b736e551e3f0a5eaa4ae182c39a00b94d94d8 100644
--- a/device/bluetooth/bluetooth_remote_gatt_service_mac.mm
+++ b/device/bluetooth/bluetooth_remote_gatt_service_mac.mm
@@ -78,12 +78,14 @@ BluetoothRemoteGattServiceMac::GetCharacteristic(
 }
 
 void BluetoothRemoteGattServiceMac::DiscoverCharacteristics() {
+  VLOG(1) << *this << ": DiscoverCharacteristics.";
   is_discovery_complete_ = false;
   [GetCBPeripheral() discoverCharacteristics:nil forService:GetService()];
 }
 
 void BluetoothRemoteGattServiceMac::DidDiscoverCharacteristics() {
   DCHECK(!is_discovery_complete_);
+  VLOG(1) << *this << ": DidDiscoverCharacteristics.";
   std::unordered_set<std::string> characteristic_identifier_to_remove;
   for (const auto& iter : gatt_characteristic_macs_) {
     characteristic_identifier_to_remove.insert(iter.first);
@@ -93,6 +95,9 @@ void BluetoothRemoteGattServiceMac::DidDiscoverCharacteristics() {
     BluetoothRemoteGattCharacteristicMac* gatt_characteristic_mac =
         GetBluetoothRemoteGattCharacteristicMac(cb_characteristic);
     if (gatt_characteristic_mac) {
+      VLOG(1) << *gatt_characteristic_mac
+              << ": Known characteristic, properties "
+              << gatt_characteristic_mac->GetProperties();
       const std::string& identifier = gatt_characteristic_mac->GetIdentifier();
       characteristic_identifier_to_remove.erase(identifier);
       gatt_characteristic_mac->DiscoverDescriptors();
@@ -104,6 +109,8 @@ void BluetoothRemoteGattServiceMac::DidDiscoverCharacteristics() {
     auto result_iter = gatt_characteristic_macs_.insert(
         {identifier, base::WrapUnique(gatt_characteristic_mac)});
     DCHECK(result_iter.second);
+    VLOG(1) << *gatt_characteristic_mac << ": New characteristic, properties "
+            << gatt_characteristic_mac->GetProperties();
     gatt_characteristic_mac->DiscoverDescriptors();
     GetMacAdapter()->NotifyGattCharacteristicAdded(gatt_characteristic_mac);
   }
@@ -113,6 +120,7 @@ void BluetoothRemoteGattServiceMac::DidDiscoverCharacteristics() {
     std::unique_ptr<BluetoothRemoteGattCharacteristicMac>
         characteristic_to_remove;
     pair_to_remove->second.swap(characteristic_to_remove);
+    VLOG(1) << *characteristic_to_remove << ": Removed characteristic.";
     gatt_characteristic_macs_.erase(pair_to_remove);
     GetMacAdapter()->NotifyGattCharacteristicRemoved(
         characteristic_to_remove.get());
@@ -142,6 +150,7 @@ void BluetoothRemoteGattServiceMac::SendNotificationIfComplete() {
             return pair.second->IsDiscoveryComplete();
           }) == gatt_characteristic_macs_.end();
   if (is_discovery_complete_) {
+    VLOG(1) << *this << ": Discovery complete.";
     GetMacAdapter()->NotifyGattServiceChanged(this);
   }
 }
@@ -207,4 +216,15 @@ BluetoothRemoteGattServiceMac::GetBluetoothRemoteGattCharacteristicMac(
   }
 }
 
+DEVICE_BLUETOOTH_EXPORT std::ostream& operator<<(
+    std::ostream& out,
+    const BluetoothRemoteGattServiceMac& service) {
+  const BluetoothLowEnergyDeviceMac* bluetooth_device_mac_ =
+      static_cast<const BluetoothLowEnergyDeviceMac*>(service.GetDevice());
+  return out << "<BluetoothRemoteGattServiceMac "
+             << service.GetUUID().canonical_value() << "/" << &service
+             << ", device: " << bluetooth_device_mac_->GetAddress() << "/"
+             << bluetooth_device_mac_ << ">";
+}
+
 }  // namespace device