/// <summary>
/// Receive the specified amount of bytes.
/// </summary>
public bool OnReceive(byte[] bytes, int offset, int byteCount)
{
lastReceivedTime = DateTime.UtcNow.Ticks / 10000;
if (byteCount == 0)
{
Close(true);
return(false);
}
else if (ProcessBuffer(bytes, offset, byteCount))
{
return(true);
}
else
{
#if UNITY_EDITOR
if (bytes != null && bytes.Length > 0)
{
var temp = new byte[byteCount];
for (int i = 0; i < byteCount; ++i)
{
temp[i] = bytes[i];
}
var fn = "error_" + lastReceivedTime + ".packet";
Tools.WriteFile(fn, temp);
Debug.Log("Packet saved as " + fn);
}
#endif
Close(true);
return(false);
}
}
/// <summary>
/// Save the specified file.
/// </summary>
public bool SaveFile(string fileName, byte[] data)
{
if (Tools.WriteFile(string.IsNullOrEmpty(rootDirectory) ? fileName : Path.Combine(rootDirectory, fileName), data, true))
{
mSavedFiles[fileName] = data;
return(true);
}
return(false);
}
/// <summary>
/// Save the specified file.
/// </summary>
public bool SaveFile(string fileName, byte[] data)
{
if (Tools.WriteFile(fileName, data, true))
{
mSavedFiles[fileName] = data;
return(true);
}
return(false);
}
/// <summary>
/// Write the node hierarchy to the specified filename.
/// </summary>
public void Write(string path, bool binary)
{
MemoryStream stream = new MemoryStream();
if (binary)
{
BinaryWriter writer = new BinaryWriter(stream);
writer.WriteObject(this);
Tools.WriteFile(path, stream.ToArray(), false);
writer.Close();
}
else
{
StreamWriter writer = new StreamWriter(stream);
Write(writer, 0);
Tools.WriteFile(path, stream.ToArray(), false);
writer.Close();
}
}
/// <summary>
/// Write the node hierarchy to the specified filename.
/// </summary>
public bool Write(string path, SaveType type = SaveType.Text, bool allowConfigAccess = false)
{
bool retVal = false;
MemoryStream stream = new MemoryStream();
if (type == SaveType.Binary)
{
BinaryWriter writer = new BinaryWriter(stream);
writer.WriteObject(this);
retVal = Tools.WriteFile(path, stream, false, allowConfigAccess);
writer.Close();
}
else if (type == SaveType.Compressed)
{
BinaryWriter writer = new BinaryWriter(stream);
writer.WriteObject(this);
stream.Position = 0;
MemoryStream comp = LZMA.Compress(stream, mLZMA);
if (comp != null)
{
retVal = Tools.WriteFile(path, comp, false, allowConfigAccess);
comp.Close();
}
else
{
retVal = Tools.WriteFile(path, stream, false, allowConfigAccess);
}
writer.Close();
}
else
{
StreamWriter writer = new StreamWriter(stream);
Write(writer, 0);
retVal = Tools.WriteFile(path, stream, false, allowConfigAccess);
writer.Close();
}
return(retVal);
}
/// <summary>
/// See if the received packet can be processed and split it up into different ones.
/// </summary>
bool ProcessBuffer(byte[] bytes, int offset, int byteCount)
{
if (offset + byteCount > bytes.Length)
{
LogError("ProcessBuffer(" + bytes.Length + " bytes, offset " + offset + ", count " + byteCount);
return(false);
}
if (mReceiveBuffer == null)
{
// Create a new packet buffer
mReceiveBuffer = Buffer.Create();
mReceiveBuffer.BeginWriting(false).Write(bytes, offset, byteCount);
mExpected = 0;
mOffset = 0;
}
else
{
// Append this data to the end of the last used buffer
mReceiveBuffer.BeginWriting(true).Write(bytes, offset, byteCount);
}
for (mAvailable = mReceiveBuffer.size - mOffset; mAvailable > 4;)
{
// Figure out the expected size of the packet
if (mExpected == 0)
{
mExpected = mReceiveBuffer.PeekInt(mOffset);
// "GET " -- HTTP GET request sent by a web browser
if (mExpected == 542393671)
{
if (httpGetSupport)
{
if (stage == Stage.Verifying || stage == Stage.WebBrowser)
{
stage = Stage.WebBrowser;
string request = Encoding.ASCII.GetString(mReceiveBuffer.buffer, mOffset, mAvailable);
mReceiveBuffer.BeginPacket(Packet.RequestHTTPGet).Write(request);
mReceiveBuffer.EndPacket();
mReceiveBuffer.BeginReading(4);
lock (mIn)
{
mIn.Enqueue(mReceiveBuffer);
mReceiveBuffer = null;
mExpected = 0;
mOffset = 0;
}
}
return(true);
}
mReceiveBuffer.Recycle();
mReceiveBuffer = null;
mExpected = 0;
mOffset = 0;
Disconnect();
return(false);
}
else if (mExpected < 0 || mExpected > 16777216)
{
#if UNITY_EDITOR
LogError("Malformed data packet: " + mOffset + ", " + mAvailable + " / " + mExpected);
var temp = new byte[mReceiveBuffer.size];
for (int i = 0; i < byteCount; ++i)
{
temp[i] = mReceiveBuffer.buffer[i];
}
var fn = "error_" + lastReceivedTime + ".full";
Tools.WriteFile(fn, temp);
Debug.Log("Packet saved as " + fn);
#else
LogError("Malformed data packet: " + mOffset + ", " + mAvailable + " / " + mExpected);
#endif
mReceiveBuffer.Recycle();
mReceiveBuffer = null;
mExpected = 0;
mOffset = 0;
Disconnect();
return(false);
}
}
// The first 4 bytes of any packet always contain the number of bytes in that packet
mAvailable -= 4;
// If the entire packet is present
if (mAvailable == 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;
}
break;
}
else if (mAvailable > mExpected)
{
// There is more than one packet. Extract this packet fully.
int realSize = mExpected + 4;
var temp = Buffer.Create();
// Extract the packet and move past its size component
var bw = temp.BeginWriting();
bw.Write(mReceiveBuffer.buffer, mOffset, realSize);
temp.BeginReading(4);
// This packet is now ready to be processed
lock (mIn)
{
mIn.Enqueue(temp);
// Skip this packet
mAvailable -= mExpected;
mOffset += realSize;
mExpected = 0;
}
}
else
{
break;
}
}
return(true);
}
/// <summary>
/// Save the specified file.
/// </summary>
public void SaveFile(string fileName, byte[] data)
{
mSavedFiles[fileName] = data;
Tools.WriteFile(fileName, data);
}