public byte[] Serialise()
{
MemoryStream result = new MemoryStream(4096);
byte[] buffer = Encoding.UTF8.GetBytes(Method);
NetworkByteOrderConverter.WriteInt32(result, (int)(buffer.Length + 8 + _Payload.Length));
NetworkByteOrderConverter.WriteInt32(result, buffer.Length);
result.Write(buffer, 0, buffer.Length);
NetworkByteOrderConverter.WriteInt32(result, RequestNumber);
_Payload.Position = 0;
_Payload.CopyTo(result);
return(result.ToArray());
}
public void Write(TTlvTypeIdentifier typeIdentifier, ushort identifier, int value)
{
if ((value > short.MaxValue) || (value < short.MinValue)) //32Bit length
{
WriteType(typeIdentifier, identifier, 4);
NetworkByteOrderConverter.WriteInt32(_Stream, (int)value);
}
else if ((value > 127) || (value < -128)) //16Bit length
{
WriteType(typeIdentifier, identifier, 2);
NetworkByteOrderConverter.WriteInt16(_Stream, (short)value);
}
else
{
WriteType(typeIdentifier, identifier, 1);
_Stream.WriteByte((byte)value);
}
}
private void ProcessRequest(Socket client, IPCRequest request)
{
byte[] response = new byte[4];
try
{
if (string.Compare(request.Method, "CancelObserveObject", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
bool useReset = request.ReadBoolean();
_ServerAPI.CancelObserveObject(clientID, objectDefinitionID, instanceID, useReset);
}
else if (string.Compare(request.Method, "CancelObserveObjectProperty", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Guid propertyDefinitionID = request.ReadGuid();
bool useReset = request.ReadBoolean();
_ServerAPI.CancelObserveObjectProperty(clientID, objectDefinitionID, instanceID, propertyDefinitionID, useReset);
}
else if (string.Compare(request.Method, "CancelObserveObjects", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
bool useReset = request.ReadBoolean();
_ServerAPI.CancelObserveObjects(clientID, objectDefinitionID, useReset);
}
else if (string.Compare(request.Method, "DeleteClient", true) == 0)
{
Guid clientID = request.ReadGuid();
_ServerAPI.DeleteClient(clientID);
}
else if (string.Compare(request.Method, "ExecuteResource", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Guid propertyDefinitionID = request.ReadGuid();
bool success = _ServerAPI.ExecuteResource(clientID, objectDefinitionID, instanceID, propertyDefinitionID);
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
IPCHelper.Write(data, success);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
if (string.Compare(request.Method, "GetClients", true) == 0)
{
List <Client> clients = _ServerAPI.GetClients();
if (clients != null)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
IPCHelper.Write(data, clients.Count);
foreach (Client item in clients)
{
item.Serialise(data);
}
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "GetDeviceConnectedStatus", true) == 0)
{
Guid clientID = request.ReadGuid();
DeviceConnectedStatus responseObject = _ServerAPI.GetDeviceConnectedStatus(clientID);
if (responseObject != null)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
responseObject.Serialise(data);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "GetObject", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Model.Object responseObject = _ServerAPI.GetObject(clientID, objectDefinitionID, instanceID);
if (responseObject != null)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
responseObject.Serialise(data);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "GetObjectProperty", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Guid propertyDefinitionID = request.ReadGuid();
Property responseProperty = _ServerAPI.GetObjectProperty(clientID, objectDefinitionID, instanceID, propertyDefinitionID);
if (responseProperty != null)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
responseProperty.Serialise(data);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "GetObjects", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
List <Model.Object> responseObjects = _ServerAPI.GetObjects(clientID, objectDefinitionID);
if (responseObjects != null)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
foreach (Model.Object responseObject in responseObjects)
{
responseObject.Serialise(data);
}
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "ObserveObject", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
_ServerAPI.ObserveObject(clientID, objectDefinitionID, instanceID);
}
else if (string.Compare(request.Method, "ObserveObjectProperty", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Guid propertyDefinitionID = request.ReadGuid();
_ServerAPI.ObserveObjectProperty(clientID, objectDefinitionID, instanceID, propertyDefinitionID);
}
else if (string.Compare(request.Method, "ObserveObjects", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
_ServerAPI.ObserveObjects(clientID, objectDefinitionID);
}
else if (string.Compare(request.Method, "SaveObject", true) == 0)
{
Guid clientID = request.ReadGuid();
Model.Object item = Model.Object.Deserialise(request.Payload);
TObjectState state = (TObjectState)request.ReadInt32();
string responseID = _ServerAPI.SaveObject(clientID, item, state);
if (responseID != null)
{
MemoryStream data = new MemoryStream(4096);
byte[] buffer = Encoding.UTF8.GetBytes(responseID);
NetworkByteOrderConverter.WriteInt32(data, (int)(buffer.Length + 4));
NetworkByteOrderConverter.WriteInt32(data, buffer.Length);
data.Write(buffer, 0, buffer.Length);
response = data.ToArray();
}
}
else if (string.Compare(request.Method, "SaveObjectProperty", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Property property = Property.Deserialise(request.Payload);
TObjectState state = (TObjectState)request.ReadInt32();
_ServerAPI.SaveObjectProperty(clientID, objectDefinitionID, instanceID, property, state);
}
else if (string.Compare(request.Method, "SetDataFormat", true) == 0)
{
TDataFormat dataFormat = (TDataFormat)request.ReadInt32();
_ServerAPI.SetDataFormat(dataFormat);
}
else if (string.Compare(request.Method, "SetNotificationParameters", true) == 0)
{
Guid clientID = request.ReadGuid();
Guid objectDefinitionID = request.ReadGuid();
string instanceID = request.ReadString();
Guid propertyDefinitionID = request.ReadGuid();
NotificationParameters notificationParameters = NotificationParameters.Deserialise(request.Payload);
bool success = _ServerAPI.SetNotificationParameters(clientID, objectDefinitionID, instanceID, propertyDefinitionID, notificationParameters);
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
IPCHelper.Write(data, success);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, (int)data.Length - 4);
response = data.ToArray();
}
}
catch (Exception ex)
{
MemoryStream data = new MemoryStream(4096);
data.Position = 4;
IPCHelper.Write(data, ex.GetType().AssemblyQualifiedName);
IPCHelper.Write(data, ex.Message);
data.Position = 0;
NetworkByteOrderConverter.WriteInt32(data, -((int)data.Length - 4));
response = data.ToArray();
}
client.Send(response, SocketFlags.None);
}