public void Decode(global::Zeze.Serialize.ByteBuffer bb)
{
this.Tag = bb.ReadInt4();
this.Id = bb.ReadLong();
this.TimeTicks = bb.ReadLong();
this.Sender = bb.ReadString();
this.Type = bb.ReadInt();
this.Content = bb.ReadBytes();
int propertiesSize = bb.ReadInt();
for (int i = 0; i < propertiesSize; ++i)
{
int key = bb.ReadInt();
byte[] value = bb.ReadBytes();
Properties.Add(key, value);
}
}
public void Delete(long id)
{
long offset = SeekDataOffset(id);
if (offset < 0)
{
return;
}
byte[] head = new byte[4 + 4 + 9]; // size + tag + id
int headLen = data.Read(head, 0, head.Length);
if (headLen == 0) // eof
{
return;
}
global::Zeze.Serialize.ByteBuffer bb = global::Zeze.Serialize.ByteBuffer.Wrap(head, 0, headLen);
int msgsize = bb.ReadInt4();
int tag = bb.ReadInt4();
long existid = bb.ReadLong();
if (existid != id)
{
throw new Exception("msgId error"); // report or ignore
}
tag |= ChatHistoryMessage.TagDeleted;
byte[] newtagBytes = BitConverter.GetBytes(tag);
long tagoffset = offset + 4;
if (tagoffset != data.Seek(tagoffset, System.IO.SeekOrigin.Begin))
{
throw new Exception("seek error");
}
data.Write(newtagBytes, 0, 4);
}
