/// <summary>
/// Deserializes the Frame to a .NET object.
/// </summary>
/// <typeparam name="T">The type of the object to deserialize to.</typeparam>
/// <param name="frame">The Frame to deserialize.</param>
/// <param name="reflection">Reflection information for the Object to deserialize</param>
/// <returns>The deserialized object from the Frame.</returns>
private static List <T> InternalDeserializeV2 <T>(PackageV2 frame, ReflectionType reflection)
{
//get group attribute
PackageGroupAttribute PackageGroupAttribute = reflection.GetCustomAttribute <PackageGroupAttribute>();
if (PackageGroupAttribute == null)
{
throw new Exception(String.Format("Type {0} does not contain FrameGroup attribute!", reflection.Type.Name));
}
//create collection
List <T> collection = new List <T>();
//each objects
foreach (PackageGroupItem group in frame.Groups)
{
//check group address for this type
if (group.Address == PackageGroupAttribute.Address)
{
//intiailize object
T result = PackageHelper.InternalDeserializeV2 <T>(group, reflection);
//create objet to collection
collection.Add(result);
}
}
//return result
return(collection);
}
/// <summary>
/// This function constructs frame from data array
/// </summary>
/// <param name="array">Data array</param>
/// <param name="index">Start frame index</param>
/// <param name="length">Frame length</param>
/// <param name="address">Command address from frame</param>
/// <param name="state">State value</param>]
/// <param name="action">Callback for parsing frame items</param>
/// <returns>Frame | null</returns>
private static PackageV2 ConstructPackageV2(List <Byte> array, int index, int length, UInt16 address, Byte state, Func <UInt16, UInt16, UInt32, PackageItemTypes> action)
{
//check data length available
if ((array.Count - index) >= length)
{
//get checksum
Byte checkSum = PackageHelper.GetFrameDataCheckSum(array, index - 5, length + 5);
Byte currentCheckSum = array[index + length + 0];
if (checkSum != currentCheckSum)
{
return(null);
}
//copy data block
List <Byte> temp = array.GetRange(index, length);
//get current action
Func <UInt16, UInt16, UInt32, PackageItemTypes> currentAction = action == null ? PackageHelper.InternalGetPackageItemType : action;
//initialize package
PackageV2 frame = new PackageV2(address, state, temp, currentAction);
//remove data
array.RemoveRange(0, length + index + 1);
//return package
return(frame);
}
return(null);
}
/// <summary>
/// Create frame from Byte value
/// </summary>
/// <param name="frameAddress">Frame address</param>
/// <param name="state">Frate state</param>
/// <param name="value">Value as Byte</param>
/// <returns>New frame</returns>
public static PackageV2 CreateFrame(UInt16 frameAddress, Byte state, Byte value)
{
PackageV2 frame = new PackageV2(frameAddress, state);
frame.State = state;
return(frame);
}
/// <summary>
/// Deserializes the Frame to a .NET object.
/// </summary>
/// <typeparam name="T">The type of the object to deserialize to.</typeparam>
/// <param name="frame">The Frame to deserialize.</param>
/// <returns>The deserialized object from the Frame.</returns>
public static List <T> DeserializeV2 <T>(PackageV2 frame)
{
if (frame == null)
{
throw new ArgumentNullException("frame");
}
return(PackageHelper.InternalDeserializeV2 <T>(frame));
}
/// <summary>
/// Deserializes the Frame to a .NET object.
/// </summary>
/// <typeparam name="T">The type of the object to deserialize to.</typeparam>
/// <param name="frame">The Frame to deserialize.</param>
/// <returns>The deserialized object from the Frame.</returns>
private static List <T> InternalDeserializeV2 <T>(PackageV2 frame)
{
//get the object reglection
ReflectionType reflection = ReflectionHelper.GetType(typeof(T));
if (reflection != null)
{
return(PackageHelper.InternalDeserializeV2 <T>(frame, reflection));
}
return(default(List <T>));
}
/// <summary>
/// Serializes the specified Object to Frame
/// </summary>
/// <typeparam name="T">The type of the object to serialize to.</typeparam>
/// <param name="obj">The object to serialize.</param>
/// <param name="frame">Frame</param>
/// <returns>Frame | null</returns>
private static PackageV2 InternalSerializeV2 <T>(List <T> obj, PackageV2 frame)
{
//get the object reglection
ReflectionType reflection = ReflectionHelper.GetType(typeof(T));
if (reflection != null)
{
return(PackageHelper.InternalSerializeV2 <T>(obj, frame, reflection));
}
return(null);
}
/// <summary>
/// Serializes the specified object to a Frame.
/// </summary>
/// <typeparam name="T">The type of the object to serialize to.</typeparam>
/// <param name="obj">The object to serialize.</param>
/// <param name="commandAddress">Frame command address</param>
/// <returns>Frame | null</returns>
public static PackageV2 SerializeV2 <T>(List <T> obj, UInt16 commandAddress)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
//intiailize object
PackageV2 result = new PackageV2(commandAddress, 0x01);
//serialize
return(SerializeV2 <T>(obj, result));
}
/// <summary>
/// This function finds frame in array
/// </summary>
/// <param name="array">Input array data</param>
/// <param name="action">Callback for parsing frame items</param>
/// <returns>Frame | null</returns>
public static PackageV2 FindPackageV2(List <Byte> array, Func <UInt16, UInt16, UInt32, PackageItemTypes> action)
{
//variables
int count = array.Count;
//find start byte
for (int index = 0; index < count; index++)
{
//check start byte and length
if (array[index] == 0x70 && (count - (index + 2)) >= 2)
{
//get length from array
UInt16 length = (UInt16)(array[index + 2] << 8 | array[index + 1]);
//get command from array
UInt16 address = (UInt16)(array[index + 4] << 8 | array[index + 3]);
//get state
Byte state = array[index + 5];
//overime ci je dostatok dat na vytvorenie package
if (count >= (length - 1))
{
PackageV2 frame = PackageHelper.ConstructPackageV2(array, index + 6, length - 6, address, state, action);
if (frame != null)
{
//return package
return(frame);
}
}
else
{
//remove first data
if (index > 0)
{
array.RemoveRange(0, index + 1);
}
//nedostatok dat
return(null);
}
}
}
//clear all data from buffer
array.Clear();
//any package
return(null);
}
/// <summary>
/// Serializes the specified Object to Frame
/// </summary>
/// <typeparam name="T">The type of the object to serialize to.</typeparam>
/// <param name="data">The object to serialize.</param>
/// <param name="frame">Frame</param>
/// <param name="reflection">Reflection information for the Object to deserialize</param>
/// <returns>Frame | null</returns>
private static PackageV2 InternalSerializeV2 <T>(List <T> data, PackageV2 frame, ReflectionType reflection)
{
//get group attribute
PackageGroupAttribute PackageGroupAttribute = reflection.GetCustomAttribute <PackageGroupAttribute>();
//each object
foreach (T obj in data)
{
//check attribute
if (PackageGroupAttribute != null)
{
//serialize group
PackageGroupItem group = InternalSerializeV2ToGroup <T>(obj, reflection, PackageGroupAttribute);
//create group to frame
frame.Add(group);
}
}
//return result
return(frame);
}
/// <summary>
/// Vytvori asynchronne volanie na metodu zabezpecujucu vytvorenie eventu
/// oznamujuceho prijatie dat
/// </summary>
/// <param name="e">DataEventArgs</param>
protected override void OnReceivedData(DataEventArgs e)
{
//base event
base.OnReceivedData(e);
//lock
lock (this.m_lockObject)
{
//check buffer
if (this.m_buffer == null)
{
this.m_buffer = new List <Byte>();
}
//zalogujeme prijate dat
this.InternalTrace(TraceTypes.Verbose, "Receiving data: [{0}]", e.Data.ToHexaString());
//add data to buffer
this.m_buffer.AddRange(e.Data);
//loop
while (true)
{
//find frame
PackageV2 frame = PackageHelper.FindPackageV2(this.m_buffer, this.InternalGetPackageItemType);
if (frame != null)
{
//send receive event
this.OnReceivedPackage(new PackageEventArgs(frame, e.RemoteEndPoint));
}
else
{
//any data for frame
break;
}
}
}
}
/// <summary>
/// Serializes the specified object to a Frame.
/// </summary>
/// <typeparam name="T">The type of the object to serialize to.</typeparam>
/// <param name="obj">The object to serialize.</param>
/// <param name="frame">Frame</param>
/// <returns>Frame | null</returns>
public static PackageV2 SerializeV2 <T>(List <T> obj, PackageV2 frame)
{
//intiailize object
return(InternalSerializeV2 <T>(obj, frame));
}
/// <summary>
/// This function sends frame to transport layer
/// </summary>
/// <param name="package">Frame to send</param>
/// <returns>True | false</returns>
public virtual Boolean Send(PackageV2 package)
{
return(this.Write(package.ToByteArray()));
}
