/// <summary>
/// TODO: Documentation CreatePermission
/// </summary>
/// <param name="xorPeerAddress"></param>
/// <param name="allocation"></param>
public void CreatePermission(XorMappedAddress xorPeerAddress, TurnAllocation allocation)
{
StunMessage msg = new StunMessage(StunMethodType.CreatePermission, StunMethodClass.Request, StunUtilities.NewTransactionId);
msg.Turn.XorPeerAddress = xorPeerAddress;
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, allocation);
}
/// <summary>
/// TODO: Documentation RefreshAllocation
/// </summary>
/// <param name="allocation"></param>
/// <param name="lifeTime"></param>
public void RefreshAllocation(TurnAllocation allocation, UInt32 lifeTime)
{
StunMessage msg = new StunMessage(StunMethodType.Refresh, StunMethodClass.Request, StunUtilities.NewTransactionId);
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.Turn.LifeTime = new StunAttribute(StunAttributeType.LifeTime, BitConverter.GetBytes(StunUtilities.ReverseBytes(lifeTime)));
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, null);
}
/// <summary>
/// TODO: Documentation SendIndication
/// </summary>
/// <param name="xorPeerAddress"></param>
/// <param name="data"></param>
/// <param name="allocation"></param>
public void SendIndication(XorMappedAddress xorPeerAddress, byte[] data, TurnAllocation allocation)
{
StunMessage msg = new StunMessage(StunMethodType.Send, StunMethodClass.Indication, StunUtilities.NewTransactionId);
msg.Turn.XorPeerAddress = xorPeerAddress;
msg.Turn.Data = new StunAttribute(StunAttributeType.Data, data);
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, null);
}
/// <summary>
/// TODO: Documentation SendIndication
/// </summary>
/// <param name="xorPeerAddress"></param>
/// <param name="data"></param>
/// <param name="allocation"></param>
public void SendIndication(XorMappedAddress xorPeerAddress, byte[] data, TurnAllocation allocation)
{
StunMessage msg = new StunMessage(StunMethodType.Send, StunMethodClass.Indication, StunUtilities.NewTransactionId);
msg.Turn.XorPeerAddress = xorPeerAddress;
msg.Turn.Data = new StunAttribute(StunAttributeType.Data, data);
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, null);
}
/// <summary>
/// TODO: Documentation BindChannel
/// </summary>
/// <param name="channelNumber"></param>
/// <param name="xorPeerAddress"></param>
/// <param name="allocation"></param>
public void BindChannel(byte[] channelNumber, XorMappedAddress xorPeerAddress, TurnAllocation allocation)
{
StunMessage msg = new StunMessage(StunMethodType.ChannelBind, StunMethodClass.Request, StunUtilities.NewTransactionId);
msg.Turn.ChannelNumber = new StunAttribute(StunAttributeType.ChannelNumber, channelNumber);
msg.Turn.XorPeerAddress = xorPeerAddress;
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, allocation);
}
/// <summary>
/// TODO: Documentation RefreshAllocation
/// </summary>
/// <param name="allocation"></param>
/// <param name="lifeTime"></param>
public void RefreshAllocation(TurnAllocation allocation, UInt32 lifeTime)
{
StunMessage msg = new StunMessage(StunMethodType.Refresh, StunMethodClass.Request, StunUtilities.NewTransactionId);
msg.Stun.Username = new UTF8Attribute(StunAttributeType.Username, allocation.Username);
msg.Stun.Realm = new UTF8Attribute(StunAttributeType.Realm, allocation.Realm);
msg.Stun.Nonce = new UTF8Attribute(StunAttributeType.Nonce, allocation.Nonce);
msg.Turn.LifeTime = new StunAttribute(StunAttributeType.LifeTime, BitConverter.GetBytes(StunUtilities.ReverseBytes(lifeTime)));
msg.AddMessageIntegrity(allocation.Password, true);
this.StunClient.BeginSendMessage(msg, null);
}
/// <summary>
/// TODO: Documentation StunClient_OnReceivedSuccessResponse
/// </summary>
/// <param name="sender"></param>
/// <param name="receivedMsg"></param>
/// <param name="sentMsg"></param>
/// <param name="transactionObject"></param>
private void StunClient_OnReceivedSuccessResponse(object sender, StunMessage receivedMsg, StunMessage sentMsg, object transactionObject)
{
switch (receivedMsg.MethodType)
{
case StunMethodType.Allocate:
TurnAllocation allocation = new TurnAllocation()
{
Username = sentMsg.Stun.Username.ValueString,
Password = transactionObject as String,
Realm = sentMsg.Stun.Realm.ValueString,
Nonce = sentMsg.Stun.Nonce.ValueString,
RelayedMappedAddress = receivedMsg.Turn.XorRelayedAddress,
MappedAddress = receivedMsg.Stun.XorMappedAddress,
StartTime = DateTime.Now,
LifeTime = StunUtilities.ReverseBytes(BitConverter.ToUInt32(receivedMsg.Turn.LifeTime.Value, 0))
};
if (this.Allocations.ContainsKey(receivedMsg.Turn.XorRelayedAddress))
this.Allocations[receivedMsg.Turn.XorRelayedAddress] = allocation;
else
{
this.Allocations.Add(receivedMsg.Turn.XorRelayedAddress, allocation);
if (this.OnAllocateSucceed != null)
this.OnAllocateSucceed(this, allocation, sentMsg, receivedMsg);
}
break;
case StunMethodType.CreatePermission:
TurnPermission permission = new TurnPermission()
{
PeerAddress = sentMsg.Turn.XorPeerAddress,
StartTime = DateTime.Now,
LifeTime = 300
};
TurnAllocation permAllocation = transactionObject as TurnAllocation;
if (permAllocation.Permissions.ContainsKey(sentMsg.Turn.XorPeerAddress))
permAllocation.Permissions[sentMsg.Turn.XorPeerAddress] = permission;
else
{
permAllocation.Permissions.Add(sentMsg.Turn.XorPeerAddress, permission);
if (this.OnCreatePermissionSucceed != null)
this.OnCreatePermissionSucceed(this, permAllocation, permission, sentMsg, receivedMsg);
}
break;
case StunMethodType.ChannelBind:
TurnChannel channel = new TurnChannel()
{
Channel = sentMsg.Turn.ChannelNumber,
PeerAddress = sentMsg.Turn.XorPeerAddress,
StartTime = DateTime.Now,
LifeTime = 600
};
TurnAllocation channelAllocation = transactionObject as TurnAllocation;
if (channelAllocation.Channels.ContainsKey(sentMsg.Turn.ChannelNumber))
channelAllocation.Channels[sentMsg.Turn.ChannelNumber] = channel;
else
{
channelAllocation.Channels.Add(sentMsg.Turn.ChannelNumber, channel);
if (this.OnChannelBindSucceed != null)
this.OnChannelBindSucceed(this, transactionObject as TurnAllocation, channel, sentMsg, receivedMsg);
}
break;
case StunMethodType.ConnectionBind:
if (this.OnConnectionBindSucceed != null)
this.OnConnectionBindSucceed(this, transactionObject as Socket, receivedMsg);
break;
}
}
/// <summary>
/// TODO: Documentation turnManager_OnAllocateSucceed
/// </summary>
/// <param name="sender"></param>
/// <param name="allocation"></param>
/// <param name="sentMsg"></param>
/// <param name="receivedMsg"></param>
private void turnManager_OnAllocateSucceed(object sender, TurnAllocation allocation, StunMessage sentMsg, StunMessage receivedMsg)
{
if (this.StartingSessionRecipient != null)
{
this.turnSessions[this.StartingSessionSid].TurnAllocation = allocation;
XmlDocument doc = new XmlDocument();
// Jingle Transport
JingleIce jingleIce = new JingleIce(doc)
{
Pwd = JingleUtilities.GenerateIcePwd,
Ufrag = JingleUtilities.GenerateIceUfrag
};
if (this.OnIceCandidatesGathering != null)
this.OnIceCandidatesGathering(this, jingleIce, (sender as TurnManager).HostEP, this.turnSessions[this.StartingSessionSid].UseTurnOnly, allocation);
this.localCandidates.Add(this.StartingSessionSid, jingleIce.GetCandidates());
JingleIQ jingleIq = null;
// Jingle Description
Element jingleDescription = null;
String contentName = null;
if (this.OnDescriptionGathering != null)
this.OnDescriptionGathering(this, doc, this.StartingSessionSid, ref jingleDescription, ref contentName);
jingleIq = this.JingleManager.SessionRequest(this.StartingSessionRecipient,
this.StartingSessionAction,
this.StartingSessionSid, contentName,
jingleDescription, jingleIce);
//this.jingleManager.FindSession(this.StartingSessionSid).Local = jingleIq.Instruction;
this.Stream.Write(jingleIq);
}
}
/// <summary>
/// TODO: Documentation StunClient_OnReceivedSuccessResponse
/// </summary>
/// <param name="sender"></param>
/// <param name="receivedMsg"></param>
/// <param name="sentMsg"></param>
/// <param name="transactionObject"></param>
private void StunClient_OnReceivedSuccessResponse(object sender, StunMessage receivedMsg, StunMessage sentMsg, object transactionObject)
{
switch (receivedMsg.MethodType)
{
case StunMethodType.Allocate:
TurnAllocation allocation = new TurnAllocation()
{
Username = sentMsg.Stun.Username.ValueString,
Password = transactionObject as String,
Realm = sentMsg.Stun.Realm.ValueString,
Nonce = sentMsg.Stun.Nonce.ValueString,
RelayedMappedAddress = receivedMsg.Turn.XorRelayedAddress,
MappedAddress = receivedMsg.Stun.XorMappedAddress,
StartTime = DateTime.Now,
LifeTime = StunUtilities.ReverseBytes(BitConverter.ToUInt32(receivedMsg.Turn.LifeTime.Value, 0))
};
if (this.Allocations.ContainsKey(receivedMsg.Turn.XorRelayedAddress))
{
this.Allocations[receivedMsg.Turn.XorRelayedAddress] = allocation;
}
else
{
this.Allocations.Add(receivedMsg.Turn.XorRelayedAddress, allocation);
if (this.OnAllocateSucceed != null)
{
this.OnAllocateSucceed(this, allocation, sentMsg, receivedMsg);
}
}
break;
case StunMethodType.CreatePermission:
TurnPermission permission = new TurnPermission()
{
PeerAddress = sentMsg.Turn.XorPeerAddress,
StartTime = DateTime.Now,
LifeTime = 300
};
TurnAllocation permAllocation = transactionObject as TurnAllocation;
if (permAllocation.Permissions.ContainsKey(sentMsg.Turn.XorPeerAddress))
{
permAllocation.Permissions[sentMsg.Turn.XorPeerAddress] = permission;
}
else
{
permAllocation.Permissions.Add(sentMsg.Turn.XorPeerAddress, permission);
if (this.OnCreatePermissionSucceed != null)
{
this.OnCreatePermissionSucceed(this, permAllocation, permission, sentMsg, receivedMsg);
}
}
break;
case StunMethodType.ChannelBind:
TurnChannel channel = new TurnChannel()
{
Channel = sentMsg.Turn.ChannelNumber,
PeerAddress = sentMsg.Turn.XorPeerAddress,
StartTime = DateTime.Now,
LifeTime = 600
};
TurnAllocation channelAllocation = transactionObject as TurnAllocation;
if (channelAllocation.Channels.ContainsKey(sentMsg.Turn.ChannelNumber))
{
channelAllocation.Channels[sentMsg.Turn.ChannelNumber] = channel;
}
else
{
channelAllocation.Channels.Add(sentMsg.Turn.ChannelNumber, channel);
if (this.OnChannelBindSucceed != null)
{
this.OnChannelBindSucceed(this, transactionObject as TurnAllocation, channel, sentMsg, receivedMsg);
}
}
break;
case StunMethodType.ConnectionBind:
if (this.OnConnectionBindSucceed != null)
{
this.OnConnectionBindSucceed(this, transactionObject as Socket, receivedMsg);
}
break;
}
}
