private void ReceiveStaticCommandPlugin(BinaryReader binaryReader, int size)
{
var hash = binaryReader.ReadBytes(16);
string filename;
var dataEntry = DataSystem.GetFreeGuid(out filename);
Logger.Info("Receiving static command plugin ({0} B, {1})", size - 16, StringExtensions.BytesToHex(hash));
byte[] fileHash;
using (var fileStream = new FileStream(filename, FileMode.CreateNew, FileAccess.ReadWrite))
{
var buffer = new byte[8192];
int sizeLeft = size - 16;
while (sizeLeft > 0)
{
var packageSize = sizeLeft > 8192 ? 8192 : sizeLeft;
var read = binaryReader.Read(buffer, 0, packageSize);
fileStream.Write(buffer, 0, read);
sizeLeft -= read;
}
fileStream.Position = 0;
using (var md5 = new MD5CryptoServiceProvider())
fileHash = md5.ComputeHash(fileStream);
}
if (fileHash.SequenceEqual(hash))
{
_tcpServerInfo.DatabaseManager.AddStaticCommandPlugin(dataEntry, fileHash);
Logger.Info("Static command was successfully added to the database ({0})",
StringExtensions.BytesToHex(hash));
lock (_sendLock)
{
Connection.BinaryWriter.Write((byte)FromClientPackage.StaticCommandPluginReceived);
Connection.BinaryWriter.Write(16);
Connection.BinaryWriter.Write(fileHash);
}
}
else
{
Logger.Error("File hashes do not match. Removing all temporary files. Failed plugin {0}",
StringExtensions.BytesToHex(hash));
File.Delete(filename);
lock (_sendLock)
{
Connection.BinaryWriter.Write((byte)FromClientPackage.StaticCommandPluginTransmissionFailed);
Connection.BinaryWriter.Write(16);
Connection.BinaryWriter.Write(fileHash);
}
}
}
