internal Participant(string id, string name, DTObject extensions)
{
this.Id = id;
this.Name = name;
this.Extensions = extensions;
this.Data = DataAnalyzer.SerializeParticipant(this);
}
private void HandleParticipantUpdate(Message message)
{
var participant = DataAnalyzer.DeserializeParticipant(message.Origin, message.Body);
var multicastAddress = message.Header.GetValue <string>(MessageField.MulticastAddress);
this.Client.UseMulticast(multicastAddress, (multicast) =>
{
participant.Orgin = message.Origin;
multicast.AddOrUpdateParticipant(participant);
});
}
public static RtpData Deserialize(string orgin, byte[] data)
{
using (var temp = ByteBuffer.Borrow(data.Length))
{
var array = temp.Item;
array.Write(data);
var participantDataLength = array.ReadInt32();
var participantData = array.ReadBytes(participantDataLength);
var extensionsDataLength = array.ReadInt32();
var extensionsData = array.ReadBytes(extensionsDataLength);
var bodyLength = array.ReadInt32();
var body = array.ReadBytes(bodyLength);
return(new RtpData(DataAnalyzer.DeserializeParticipant(orgin, participantData), CreateExtensions(extensionsData), body));
}
}
public static byte[] Serialize(RtpData data)
{
using (var temp = ByteBuffer.Borrow(data.Body.Length))
{
var array = temp.Item;
var participantData = DataAnalyzer.SerializeParticipant(data.Participant);
var extensionssData = GetExtensionsData(data.Header);
array.Write(participantData.Length);
array.Write(participantData);
array.Write(extensionssData.Length);
array.Write(extensionssData);
array.Write(data.Body.Length);
array.Write(data.Body);
return(array.ToArray());
}
}
private void HandleParticipantLeave(Message message)
{
if (message.Body.Length > 0)
{
//根据成员删除
var participant = DataAnalyzer.DeserializeParticipant(message.Origin, message.Body);
var multicastAddress = message.Header.GetValue <string>(MessageField.MulticastAddress);
this.Client.UseMulticast(multicastAddress, (multicast) =>
{
multicast.RemoveParticipant(participant);
});
}
else
{
//根据发送源更新成员，这意味着对方掉线了
var multicastAddress = message.Header.GetValue <string>(MessageField.MulticastAddress);
this.Client.UseMulticast(multicastAddress, (multicast) =>
{
multicast.RemoveParticipant(message.Origin);
});
}
}
public void WriteExtensions(Action <DTObject> action)
{
action(this.Extensions);
this.Data = DataAnalyzer.SerializeParticipant(this);
}
public void SetName(string name)
{
this.Name = name;
this.Data = DataAnalyzer.SerializeParticipant(this);
}
