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Merged
teach310 merged 1 commit into from
Oct 28, 2023
Merged

add CallbackContext #56

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63 changes: 42 additions & 21 deletions Packages/com.teach310.core-bluetooth-for-unity/Runtime/CBCentralManager.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;

namespace CoreBluetooth
{
Expand Down Expand Up @@ -40,6 +41,11 @@ public ICBCentralManagerDelegate Delegate
}
}

/// <summary>
/// ICBCentralManagerDelegate callbacks will be called in this context.
/// </summary>
public SynchronizationContext CallbackContext { get; set; }

NativeCentralManagerProxy _nativeCentralManagerProxy;

public CBCentralManager(ICBCentralManagerDelegate centralDelegate = null, CBCentralInitOptions options = null)
Expand All @@ -55,6 +61,7 @@ public CBCentralManager(ICBCentralManagerDelegate centralDelegate = null, CBCent
}
Delegate = centralDelegate;
_nativeCentralManagerProxy = new NativeCentralManagerProxy(_handle, this);
CallbackContext = SynchronizationContext.Current;
}

public void Connect(CBPeripheral peripheral)
Expand All @@ -76,7 +83,7 @@ public CBPeripheral[] RetrievePeripherals(params string[] peripheralIds)
var result = new CBPeripheral[peripheralHandles.Length];
for (var i = 0; i < peripheralHandles.Length; i++)
{
var peripheral = new CBPeripheral(peripheralHandles[i]);
var peripheral = new CBPeripheral(peripheralHandles[i], CallbackContext);
SetPeripheral(peripheral);
result[i] = peripheral;
}
Expand Down Expand Up @@ -126,42 +133,56 @@ void SetPeripheral(CBPeripheral peripheral)

void INativeCentralManagerDelegate.DidConnect(string peripheralId)
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidConnectPeripheral(this, peripheral);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidConnectPeripheral(this, peripheral);
}, null);
}

void INativeCentralManagerDelegate.DidDisconnectPeripheral(string peripheralId, CBError error)
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidDisconnectPeripheral(this, peripheral, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidDisconnectPeripheral(this, peripheral, error);
}, null);
}

void INativeCentralManagerDelegate.DidFailToConnect(string peripheralId, CBError error)
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidFailToConnectPeripheral(this, peripheral, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var peripheral = GetPeripheral(peripheralId);
if (peripheral == null) return;
Delegate?.DidFailToConnectPeripheral(this, peripheral, error);
}, null);
}

void INativeCentralManagerDelegate.DidDiscoverPeripheral(SafeNativePeripheralHandle peripheralHandle, int rssi)
{
if (_disposed) return;

var peripheral = new CBPeripheral(peripheralHandle);
SetPeripheral(peripheral);
Delegate?.DidDiscoverPeripheral(this, peripheral, rssi);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var peripheral = new CBPeripheral(peripheralHandle, CallbackContext);
SetPeripheral(peripheral);
Delegate?.DidDiscoverPeripheral(this, peripheral, rssi);
}, null);
}

void INativeCentralManagerDelegate.DidUpdateState(CBManagerState state)
{
if (_disposed) return;
this.State = state;
Delegate?.DidUpdateState(this);
CallbackContext.Post(_ =>
{
if (_disposed) return;
this.State = state;
Delegate?.DidUpdateState(this);
}, null);
}

public void Dispose()
Expand Down
124 changes: 79 additions & 45 deletions Packages/com.teach310.core-bluetooth-for-unity/Runtime/CBPeripheral.cs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading;

namespace CoreBluetooth
{
Expand Down Expand Up @@ -61,14 +62,21 @@ public string Name
}

public ICBPeripheralDelegate Delegate { get; set; }

/// <summary>
/// ICBPeripheralDelegate callbacks will be called in this context.
/// </summary>
public SynchronizationContext CallbackContext { get; set; }

List<CBService> _services = new List<CBService>();
public ReadOnlyCollection<CBService> Services { get; }

internal CBPeripheral(SafeNativePeripheralHandle nativePeripheral)
internal CBPeripheral(SafeNativePeripheralHandle nativePeripheral, SynchronizationContext callbackContext)
{
Handle = nativePeripheral;
_nativePeripheral = new NativePeripheralProxy(Handle, this);
this.Services = _services.AsReadOnly();
Services = _services.AsReadOnly();
CallbackContext = callbackContext;
}

/// <summary>
Expand Down Expand Up @@ -189,87 +197,113 @@ CBCharacteristic FindOrInitializeCharacteristic(CBService service, string charac

void INativePeripheralDelegate.DidDiscoverServices(string[] serviceUUIDs, CBError error)
{
if (_disposed) return;
var services = serviceUUIDs.Select(uuid =>
CallbackContext.Post(_ =>
{
return _services.FirstOrDefault(s => s.UUID == uuid) ?? new CBService(uuid, this);
}).ToArray();
_services.Clear();
_services.AddRange(services);
if (_disposed) return;
var services = serviceUUIDs.Select(uuid =>
{
return _services.FirstOrDefault(s => s.UUID == uuid) ?? new CBService(uuid, this);
}).ToArray();
_services.Clear();
_services.AddRange(services);

Delegate?.DidDiscoverServices(this, error);
Delegate?.DidDiscoverServices(this, error);
}, null);
}

void INativePeripheralDelegate.DidDiscoverCharacteristics(string serviceUUID, string[] characteristicUUIDs, CBError error)
{
if (_disposed) return;
var service = _services.FirstOrDefault(s => s.UUID == serviceUUID);
if (service == null) return;
var characteristics = characteristicUUIDs.Select(uuid => FindOrInitializeCharacteristic(service, uuid)).ToArray();
service.UpdateCharacteristics(characteristics);
Delegate?.DidDiscoverCharacteristics(this, service, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var service = _services.FirstOrDefault(s => s.UUID == serviceUUID);
if (service == null) return;
var characteristics = characteristicUUIDs.Select(uuid => FindOrInitializeCharacteristic(service, uuid)).ToArray();
service.UpdateCharacteristics(characteristics);
Delegate?.DidDiscoverCharacteristics(this, service, error);
}, null);
}

void INativePeripheralDelegate.DidUpdateValueForCharacteristic(string serviceUUID, string characteristicUUID, byte[] data, CBError error)
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;
characteristic.UpdateValue(data);
Delegate?.DidUpdateValueForCharacteristic(this, characteristic, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;
characteristic.UpdateValue(data);
Delegate?.DidUpdateValueForCharacteristic(this, characteristic, error);
}, null);
}

void INativePeripheralDelegate.DidWriteValueForCharacteristic(string serviceUUID, string characteristicUUID, CBError error)
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;

Delegate?.DidWriteValueForCharacteristic(this, characteristic, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;
Delegate?.DidWriteValueForCharacteristic(this, characteristic, error);
}, null);
}

void INativePeripheralDelegate.IsReadyToSendWriteWithoutResponse()
{
if (_disposed) return;
Delegate?.IsReadyToSendWriteWithoutResponse(this);
CallbackContext.Post(_ =>
{
if (_disposed) return;
Delegate?.IsReadyToSendWriteWithoutResponse(this);
}, null);
}

void INativePeripheralDelegate.DidUpdateNotificationStateForCharacteristic(string serviceUUID, string characteristicUUID, bool isNotifying, CBError error)
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;
characteristic.UpdateIsNotifying(isNotifying);
Delegate?.DidUpdateNotificationStateForCharacteristic(this, characteristic, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
var characteristic = FindCharacteristic(serviceUUID, characteristicUUID);
if (characteristic == null) return;
characteristic.UpdateIsNotifying(isNotifying);
Delegate?.DidUpdateNotificationStateForCharacteristic(this, characteristic, error);
}, null);
}

void INativePeripheralDelegate.DidReadRSSI(int rssi, CBError error)
{
if (_disposed) return;
Delegate?.DidReadRSSI(this, rssi, error);
CallbackContext.Post(_ =>
{
if (_disposed) return;
Delegate?.DidReadRSSI(this, rssi, error);
}, null);
}

void INativePeripheralDelegate.DidUpdateName()
{
if (_disposed) return;
Delegate?.DidUpdateName(this);
CallbackContext.Post(_ =>
{
if (_disposed) return;
Delegate?.DidUpdateName(this);
}, null);
}

void INativePeripheralDelegate.DidModifyServices(string[] invalidatedServiceUUIDs)
{
if (_disposed) return;
List<CBService> invalidatedServices = new List<CBService>();
foreach (var uuid in invalidatedServiceUUIDs)
CallbackContext.Post(_ =>
{
var service = _services.FirstOrDefault(s => s.UUID == uuid);
if (service != null)
if (_disposed) return;
List<CBService> invalidatedServices = new List<CBService>();
foreach (var uuid in invalidatedServiceUUIDs)
{
invalidatedServices.Add(service);
_services.Remove(service);
var service = _services.FirstOrDefault(s => s.UUID == uuid);
if (service != null)
{
invalidatedServices.Add(service);
_services.Remove(service);
}
}
}

Delegate?.DidModifyServices(this, invalidatedServices.ToArray());
Delegate?.DidModifyServices(this, invalidatedServices.ToArray());
}, null);
}

public override string ToString()
Expand Down
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