public static NetPacket GetPacket(byte[] buffer)
{
if (buffer.Length < NetPacketHead.HEAD_SIZE)
{
throw (new Exception("数据包长度过短，无法转换"));
}
if (buffer.Length < (NetPacketHead.HEAD_SIZE + BitConverter.ToInt32(buffer, 8)))
{
throw (new Exception("数据包长度过短，无法转换"));
}
Int32 version = BitConverter.ToInt32(buffer, 0);//协议号
if (version != NetPacketHead.Version)
{
throw (new Exception("数据协议版本号不符!"));
}
NetPacket packet = new NetPacket();
NetPacketHead packetHead = new NetPacketHead();
packetHead.PType = (NetPacketType)BitConverter.ToInt32(buffer, sizeof(Int32));//封包类型
packetHead.Len = BitConverter.ToInt32(buffer, sizeof(Int32) + sizeof(Int32));
packet._packetHead = packetHead;
Byte[] packetBuffer = new Byte[packetHead.Len];
Array.Copy(buffer, NetPacketHead.HEAD_SIZE, packetBuffer, 0, packetHead.Len);
switch (packetHead.PType)
{
case NetPacketType.STRING:
packet.Data = encoding.GetString(packetBuffer);
break;
case NetPacketType.BINARY:
NetFile f = new NetFile();
int filenamelen = BitConverter.ToInt32(packetBuffer, 0);//文件名长度
f.FileName = encoding.GetString(packetBuffer, sizeof(Int32), filenamelen);
f.Content = new Byte[packetBuffer.Length - sizeof(Int32) - filenamelen];
Array.Copy(packetBuffer, sizeof(Int32) + filenamelen, f.Content, 0, f.Content.Length);
packet.Data = f;
break;
case NetPacketType.COMPLEX:
NetObject no = new NetObject();
int typenamelen = BitConverter.ToInt32(packetBuffer, 0);//文件名长度
no.TypeName = NetPacket.encoding.GetString(packetBuffer, sizeof(Int32), typenamelen);
byte[] Content = new Byte[packetBuffer.Length - sizeof(Int32) - typenamelen];
Array.Copy(packetBuffer, sizeof(Int32) + typenamelen, Content, 0, Content.Length);
MemoryStream mStream = new MemoryStream();
mStream.Write(Content, 0, Content.Length);
mStream.Position = 0;
no.gragh = BinarySerializeHelper.DeSerialize(mStream);
mStream.Close();
packet.Data = no;
break;
}
return(packet);
}
private static void LoadLikeShortcut()
{
if (STATIC_LikeShortcuts.Count == 0)
{
string path = Path.Combine(Application.StartupPath, STATIC_Shortcuts_Folder, STATIC_LikeShortcuts_FileName);
if (File.Exists(path))
{
using (Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
ISerializeHelper se = new BinarySerializeHelper();
STATIC_LikeShortcuts = se.DeSerialize <List <BoxFile> >(stream);
}
}
if (STATIC_LikeShortcuts == null || STATIC_LikeShortcuts.Count == 0)
{
STATIC_LikeShortcuts = new List <BoxFile>();
}
}
}
private static void LoadShortcut()
{
if (STATIC_Shortcuts.Count == 0)
{
string path = Path.Combine(Application.StartupPath, STATIC_Shortcuts_Folder, STATIC_Shortcuts_FileName);
if (File.Exists(path))
{
using (Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
ISerializeHelper se = new BinarySerializeHelper();
STATIC_Shortcuts = se.DeSerialize <Dictionary <BoxGroup, List <BoxFile> > >(stream);
}
}
if (STATIC_Shortcuts == null || STATIC_Shortcuts.Count == 0)
{
STATIC_Shortcuts = new Dictionary <BoxGroup, List <BoxFile> >();
STATIC_Shortcuts.Add(new BoxGroup()
{
Key = getUniqueKey(STATIC_GroupName), Name = STATIC_GroupName
}, null);
}
}
}