/// <summary>
/// 对客户端传过来的数据类型进行封包和解包， object支持unity特定的类型: Vector2, Vector3
/// </summary>
/// <param name="buffer">Buffer.</param>
/// <param name="objs">Objects.</param>
public void encode(TNBuffer buffer, params object[] objs)
{
if (objs == null || objs.Length == 0) return;
BinaryWriter bw = buffer.BeginWriting(true);
for (int b = 0, bmax = objs.Length; b < bmax; ++b)
{
object obj = objs[b];
if (obj != null && !WriteObject(bw, obj))
{
Debug.LogError("Unable to write type " + obj.GetType());
}
}
}
/// <summary>
/// See if the received packet can be processed and split it up into different ones.
/// </summary>
bool ProcessBuffer (int bytes)
{
if (mReceiveBuffer == null)
{
// Create a new packet buffer
mReceiveBuffer = TNBuffer.Create();
mReceiveBuffer.BeginWriting(false).Write(mTemp, 0, bytes);
}
else
{
// Append this data to the end of the last used buffer
mReceiveBuffer.BeginWriting(true).Write(mTemp, 0, bytes);
}
for (int available = mReceiveBuffer.size - mOffset; available >= 4; )
{
// Figure out the expected size of the packet
if (mExpected == 0)
{
mExpected = mReceiveBuffer.PeekInt(mOffset);
if (mExpected == -1) break;
if (mExpected == 0)
{
Close(true);
return false;
}
}
// The first 4 bytes of any packet always contain the number of bytes in that packet
available -= 4;
// If the entire packet is present
if (available == mExpected)
{
if (onDebug != null)
{
onDebug(this.serverName, "OnReceive, bytes: " + mExpected);
}
// Reset the position to the beginning of the packet
mReceiveBuffer.BeginReading(mOffset + 4);
// This packet is now ready to be processed
lock (mIn) mIn.Enqueue(mReceiveBuffer);
mReceiveBuffer = null;
mExpected = 0;
mOffset = 0;
if (null != this.onReceivePack)
{
this.onReceivePack();
}
break;
}
else if (available > mExpected)
{
// There is more than one packet. Extract this packet fully.
int realSize = mExpected + 4;
TNBuffer temp = TNBuffer.Create();
// Extract the packet and move past its size component
temp.BeginWriting(false).Write(mReceiveBuffer.buffer, mOffset, realSize);
temp.BeginReading(4);
// This packet is now ready to be processed
lock (mIn) mIn.Enqueue(temp);
// Skip this packet
available -= mExpected;
mOffset += realSize;
mExpected = 0;
if (null != this.onReceivePack)
{
this.onReceivePack();
}
}
else break;
}
return true;
}
/// <summary>
/// Extract the first incoming packet.
/// </summary>
public bool ReceivePacket (out TNBuffer buffer)
{
if (mIn.Count != 0)
{
lock (mIn)
{
buffer = mIn.Dequeue();
return true;
}
}
buffer = null;
return false;
}
/// <summary>
/// Send the specified packet. Marks the buffer as used.
/// </summary>
public void SendTcpPacket (TNBuffer buffer)
{
buffer.MarkAsUsed();
if (mSocket != null && mSocket.Connected)
{
buffer.BeginReading();
lock (mOut)
{
mOut.Enqueue(buffer);
if (mOut.Count == 1)
{
try
{
if (onDebug != null)
{
onDebug(this.serverName, "SendTcpPacket, size: " + buffer.size);
}
// If it's the first packet, let's begin the send process
lastSendTime = DateTime.Now.Ticks / 10000;
mSocket.BeginSend(buffer.buffer, buffer.position, buffer.size, SocketFlags.None, OnSend, buffer);
}
catch (System.Exception ex)
{
Error(ex.Message);
Close(false);
Release();
}
}
}
}
else buffer.Recycle();
}
/// <summary>
/// Send the outgoing buffer.
/// </summary>
public void EndSend ()
{
mBuffer.EndPacket();
SendTcpPacket(mBuffer);
mBuffer = null;
}
/// <summary>
/// Begin sending a new packet to the server.
/// </summary>
public BinaryWriter BeginSend (int packetID)
{
mBuffer = TNBuffer.Create(false);
return mBuffer.BeginPacket(packetID);
}
/// <summary>
/// Close the connection.
/// </summary>
public void Close (bool notify)
{
stage = Stage.NotConnected;
if (mReceiveBuffer != null)
{
mReceiveBuffer.Recycle();
mReceiveBuffer = null;
}
if (mSocket != null)
{
try
{
if (mSocket.Connected) mSocket.Shutdown(SocketShutdown.Both);
mSocket.Close();
}
catch (System.Exception) {}
mSocket = null;
if (notify)
{
if (this.onDisconnected != null)
{
this.onDisconnected(this.serverName, TNErrorCode.DISCONNECT);
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IPackage"/> class.
/// </summary>
/// <param name="buffer">Buffer.</param>
public IPackage(TNBuffer buffer)
{
m_buffer = buffer;
}
/// <summary>
/// Ends the read.
/// </summary>
public void EndRead()
{
if (m_reader != null)
{
m_reader = null;
}
if (m_buffer != null)
{
m_buffer.Recycle();
m_buffer = null;
}
}
/// <summary>
/// Create a new buffer, reusing an old one if possible.
/// </summary>
static public TNBuffer Create (bool markAsUsed)
{
TNBuffer b = null;
if (mPool.Count == 0)
{
b = new TNBuffer();
//Console.WriteLine("NEW");
}
else
{
lock (mPool)
{
if (mPool.Count != 0)
{
b = mPool[0];
mPool.Remove(b);
b.mInPool = false;
}
else
{
b = new TNBuffer();
}
}
}
b.mCounter = markAsUsed ? 1 : 0;
return b;
}
/// <summary>
/// Copy the contents of this buffer into the target one, trimming away unused space.
/// </summary>
public void CopyTo (TNBuffer target)
{
BinaryWriter w = target.BeginWriting(false);
int bytes = size;
if (bytes > 0) w.Write(buffer, position, bytes);
target.EndWriting();
}
