/// <summary>
/// Connects with the cion server.
/// </summary>
/// <param name="peer">The peer to connect.</param>
/// <privilege>http://tizen.org/privilege/d2d.datasharing</privilege>
/// <privilege>http://tizen.org/privilege/internet</privilege>
/// <privlevel>public</privlevel>
/// <exception cref="InvalidOperationException">Thrown when the client cannot connect to server.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown when an application does not have the privilege to access this method.</exception>
/// <since_tizen> 9 </since_tizen>
public void Connect(PeerInfo peer)
{
Interop.Cion.ErrorCode ret = Interop.CionClient.CionClientConnect(_handle, peer?._handle);
if (ret != Interop.Cion.ErrorCode.None)
{
throw CionErrorFactory.GetException(ret, "Failed to connect.");
}
}
/// <summary>
/// Disconnects with the peer.
/// </summary>
/// <param name="peerInfo">The peer to disconnect.</param>
/// <exception cref="ArgumentException">Thrown when the given peer info is invalid.</exception>
/// <since_tizen> 9 </since_tizen>
public void Disconnect(PeerInfo peerInfo)
{
Interop.Cion.ErrorCode ret = Interop.CionServer.CionServerDisconnect(_handle, peerInfo?._handle);
if (ret != Interop.Cion.ErrorCode.None)
{
throw CionErrorFactory.GetException(ret, "Failed to stop server.");
}
}
/// <summary>
/// Disconnects from the cion server.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public void Disconnect()
{
Interop.Cion.ErrorCode ret = Interop.CionClient.CionClientDisconnect(_handle);
if (ret != Interop.Cion.ErrorCode.None)
{
Log.Error(LogTag, string.Format("Failed to disconnect: {0}", ret));
}
_peer = null;
}
/// <summary>
/// Releases any unmanaged resources used by this object. Can also dispose any other disposable objects.
/// </summary>
/// <param name="disposing">If true, disposes any disposable objects. If false, does not dispose disposable objects.</param>
/// <since_tizen> 9 </since_tizen>
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
PeerInfo?.Dispose();
}
disposedValue = true;
}
}
/// <summary>
/// Sends the payload to a peer asynchronously.
/// </summary>
/// <param name="payload">The payload to send.</param>
/// <param name="peerInfo">The peer to send payload.</param>
/// <exception cref="ArgumentException">Thrown when the payload is not valid.</exception>
/// <exception cref="InvalidOperationException">Thrown when there is no such connected cion client or failed to send payload.</exception>
/// <since_tizen> 9 </since_tizen>
public Task <PayloadAsyncResult> SendPayloadAsync(Payload payload, PeerInfo peerInfo)
{
if (payload == null || payload.Id.Length == 0 || peerInfo == null || peerInfo.UUID.Length == 0)
{
throw new ArgumentException("Payload or peerinfo is invalid.");
}
TaskCompletionSource <PayloadAsyncResult> tcs = new TaskCompletionSource <PayloadAsyncResult>();
_tcsDictionary[Tuple.Create(payload.Id, peerInfo.UUID)] = tcs;
if (_payloadAsyncResultCb == null)
{
Interop.CionServer.CionServerPayloadAsyncResultCb cb = new Interop.CionServer.CionServerPayloadAsyncResultCb(
(IntPtr result, IntPtr userData) =>
{
PayloadAsyncResult resultPayload = null;
try
{
resultPayload = PayloadAsyncResult.CreateFromHandle(result);
}
catch (Exception e)
{
Log.Error(LogTag, string.Format("Failed to create PayloadAsyncResult from result handle: {0}.", e.Message));
return;
}
TaskCompletionSource <PayloadAsyncResult> tcsToReturn = _tcsDictionary[Tuple.Create(resultPayload.PayloadId, resultPayload.PeerInfo.UUID)];
tcsToReturn.SetResult(resultPayload);
_tcsDictionary.Remove(Tuple.Create(resultPayload.PayloadId, resultPayload.PeerInfo.UUID));
});
_payloadAsyncResultCb = cb;
}
Interop.Cion.ErrorCode ret = Interop.CionServer.CionServerSendPayloadAsync(_handle, peerInfo?._handle, payload?._handle, _payloadAsyncResultCb, IntPtr.Zero);
if (ret != Interop.Cion.ErrorCode.None)
{
throw CionErrorFactory.GetException(ret, "Failed to send payload.");
}
return(tcs.Task);
}
/// <summary> /// The callback invoked when received payload. /// </summary> /// <param name="data">The received data.</param> /// <param name="peerInfo">The peer info of the cion client.</param> /// <param name="status">The status of payload transfer.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnPayloadReceived(Payload data, PeerInfo peerInfo, PayloadTransferStatus status);
/// <summary> /// The callback invoked when received data. /// </summary> /// <param name="data">The received data.</param> /// <param name="peerInfo">The peer info of the cion client.</param> /// <since_tizen> 9 </since_tizen> protected abstract byte[] OnDataReceived(byte[] data, PeerInfo peerInfo);
/// <summary> /// The result callback of connection request. /// </summary> /// <param name="peerInfo">The peer info of the cion client.</param> /// <param name="result">The result of the connection.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnConnectionResult(PeerInfo peerInfo, ConnectionResult result);
/// <summary>
/// Rejects the connection request from the peer.
/// </summary>
/// <param name="peerInfo">The peer to reject the connection request.</param>
/// <param name="reason">The reason why reject the connection request.</param>
/// <since_tizen> 9 </since_tizen>
public void Reject(PeerInfo peerInfo, string reason)
{
Interop.CionServer.CionServerReject(_handle, peerInfo?._handle, reason);
}
/// <summary>
/// Accepts the connection request from the peer.
/// </summary>
/// <param name="peerInfo">The peer to accept the connection request.</param>
/// <since_tizen> 9 </since_tizen>
public void Accept(PeerInfo peerInfo)
{
Interop.CionServer.CionServerAccept(_handle, peerInfo?._handle);
}
/// <summary> /// The callback invoked when another peer joined in the current group. /// </summary> /// <param name="peerInfo">The peer info of joined in the current group.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnJoined(PeerInfo peerInfo);
private PayloadAsyncResult(PayloadAsyncResultCode result, PeerInfo peer, string payloadId)
{
Result = result;
PeerInfo = peer;
PayloadId = payloadId;
}
/// <summary>
/// The constructor of ClientBase class.
/// </summary>
/// <param name="serviceName">The name of service.</param>
/// <param name="security">The security configuration.</param>
/// <remarks>The maximum length of service name is 512.</remarks>
/// <exception cref="ArgumentException">Thrown when the given service name is too long.</exception>
/// <exception cref="InvalidOperationException">Thrown when there is not enough memory to continue the execution of the method.</exception>
/// <since_tizen> 9 </since_tizen>
public ClientBase(string serviceName, Cion.SecurityInfo security)
{
ServiceName = serviceName;
SecuritySafeHandle handle = security?._handle;
Interop.Cion.ErrorCode ret = Interop.CionClient.CionClientCreate(out _handle, serviceName, handle?.DangerousGetHandle() ?? IntPtr.Zero);
if (ret != Interop.Cion.ErrorCode.None)
{
throw CionErrorFactory.GetException(ret, "Failed to create client.");
}
_connectionResultCb = new Interop.CionClient.CionClientConnectionResultCb(
(string service, IntPtr peerInfo, IntPtr result, IntPtr userData) =>
{
Interop.Cion.ErrorCode clone_ret = Interop.CionPeerInfo.CionPeerInfoClone(peerInfo, out PeerInfoSafeHandle clone);
if (clone_ret != Interop.Cion.ErrorCode.None)
{
Log.Error(LogTag, string.Format("Failed to clone peer info."));
return;
}
PeerInfo peer = new PeerInfo(clone);
ConnectionResult connectionResult = new ConnectionResult(result);
if (connectionResult.Status == ConnectionStatus.OK)
{
_peer = peer;
}
OnConnectionResult(peer, connectionResult);
});
ret = Interop.CionClient.CionClientAddConnectionResultCb(_handle, _connectionResultCb, IntPtr.Zero);
if (ret != Interop.Cion.ErrorCode.None)
{
_handle.Dispose();
throw CionErrorFactory.GetException(ret, "Failed to add connection status changed callback.");
}
_payloadRecievedCb = new Interop.CionClient.CionClientPayloadReceivedCb(
(string service, IntPtr peerInfo, IntPtr payload, int status, IntPtr userData) =>
{
Payload receivedPayload;
Interop.CionPayload.CionPayloadGetType(payload, out Interop.CionPayload.PayloadType type);
switch (type)
{
case Interop.CionPayload.PayloadType.Data:
receivedPayload = new DataPayload(new PayloadSafeHandle(payload, false));
break;
case Interop.CionPayload.PayloadType.File:
receivedPayload = new FilePayload(new PayloadSafeHandle(payload, false));
break;
default:
Log.Error(LogTag, "Invalid payload type received.");
return;
}
OnPayloadReceived(receivedPayload, (PayloadTransferStatus)status);
});
ret = Interop.CionClient.CionClientAddPayloadReceivedCb(_handle, _payloadRecievedCb, IntPtr.Zero);
if (ret != Interop.Cion.ErrorCode.None)
{
_handle.Dispose();
throw CionErrorFactory.GetException(ret, "Failed to add payload received callback.");
}
_disconnectedCb = new Interop.CionClient.CionClientDisconnectedCb(
(string service, IntPtr peerInfo, IntPtr userData) =>
{
Interop.Cion.ErrorCode clone_ret = Interop.CionPeerInfo.CionPeerInfoClone(peerInfo, out PeerInfoSafeHandle clone);
if (clone_ret != Interop.Cion.ErrorCode.None)
{
Log.Error(LogTag, string.Format("Failed to clone peer info."));
return;
}
OnDisconnected(new PeerInfo(clone));
});
ret = Interop.CionClient.CionClientAddDisconnectedCb(_handle, _disconnectedCb, IntPtr.Zero);
if (ret != Interop.Cion.ErrorCode.None)
{
_handle.Dispose();
throw CionErrorFactory.GetException(ret, "Failed to add disconnected callback.");
}
}
/// <summary> /// The callback invoked when another peer left from the current group. /// </summary> /// <param name="peerInfo">The peer info of left from the current group.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnLeft(PeerInfo peerInfo);
/// <summary> /// The callback invoked when connection requested from the cion client. /// </summary> /// <param name="peerInfo">The peer info of the cion client.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnConnectionRequest(PeerInfo peerInfo);
/// <summary> /// The callback invoked when disconnected with cion client. /// </summary> /// <param name="peerInfo">The peer info of the cion client.</param> /// <since_tizen> 9 </since_tizen> protected abstract void OnDisconnected(PeerInfo peerInfo);
/// <summary> /// The callback invoked when payload received. /// </summary> /// <since_tizen> 9 </since_tizen> protected abstract void OnPayloadReceived(Payload payload, PeerInfo peer);
