public ComClient(bool userSyncContext = true)
{
IsOpened = false;
this.userSyncContext = userSyncContext;
AddChannel(new DataChannel <IssueIdData>((short)PreservedChannelId.IssueId, QosType.Reliable, Compression.None, Encryption.None, (node, data) =>
{
UserId = data.Id;
bool isValid = ValidateRsaKey(data.PublicKey);
if (isValid)
{
rsaEncrypter = new RsaEncrypter();
rsaEncrypter.FromPublicKeyXmlString(data.PublicKey);
AesKeyPair pair = GenerateAesKey();
SendInternal((short)PreservedChannelId.KeyExchange, pair);
}
else
{
Disconnect();
}
}));
AddChannel(new DataChannel <byte[]>((short)PreservedChannelId.Health, QosType.Unreliable, Compression.None, Encryption.None, (node, data) =>
{
//Util.Log("Health");
healthLostCount = 0;
byte[] encrypted = EncrypteTmpKey(data);
SendInternal((short)PreservedChannelId.Health, encrypted);
}));
AddChannel(new DataChannel <IssueIdData>((short)PreservedChannelId.UdpNotify, QosType.Unreliable, Compression.None, Encryption.None, (node, data) =>
{
}));
AddChannel(new DataChannel <int>((short)PreservedChannelId.UdpNotifyAck, QosType.Reliable, Compression.None, Encryption.None, (node, data) =>
{
udpAck = true;
IsConnected = true;
if (OnConnected != null)
{
OnConnected(serverNode);
}
}));
AddChannel(new DataChannel <AesKeyPair>((short)PreservedChannelId.KeyExchange, QosType.Reliable, Compression.None, Encryption.Rsa, (node, data) =>
{
}));
AddChannel(new DataChannel <int>((short)PreservedChannelId.KeyExchangeAck, QosType.Reliable, Compression.None, Encryption.None, (node, data) =>
{
udpAck = false;
}));
healthTimer = new System.Timers.Timer(healthIntervalMs);
healthTimer.Elapsed += OnHealthCheck;
}
void OnKeyExchange(ComNode node, AesKeyPair data)
{
var aes = Aes.Create();
aes.Padding = PaddingMode.PKCS7;
aes.Key = data.Key;
aes.IV = data.IV;
node.AesEncrypter = new AesEncrypter(aes);
node.AesDecrypter = new AesDecrypter(aes);
SendInternal(node, (short)PreservedChannelId.KeyExchangeAck, 0);
}
AesKeyPair GenerateAesKey()
{
var aes = Aes.Create();
aes.GenerateIV();
aes.GenerateKey();
aes.Padding = PaddingMode.PKCS7;
serverNode.AesEncrypter = new AesEncrypter(aes);
serverNode.AesDecrypter = new AesDecrypter(aes);
AesKeyPair pair = new AesKeyPair();
pair.Key = aes.Key;
pair.IV = aes.IV;
return(pair);
}