public static NetPackage[] ContentCreate(NetCommandType commandID, byte[] data, IPEndPoint iep)
{
int contentID = NetPackage.GenerateContentID();
int max_pkg_sz = 384;
int offset = 0;
int order = 1;
int count = (data.Length + max_pkg_sz - 1) / max_pkg_sz;
NetPackage[] packages = new NetPackage[count];
int length = data.Length;
while (length != 0)
{
int sz = Math.Min(384, length);
byte[] buf = new MemoryStream(data, offset, sz).ToArray();
packages[order - 1] = (NetPackage.Create(contentID, order, commandID, count, buf, iep));
order++;
offset += sz;
length -= sz;
}
return(packages);
}
public static NetPackage Parse(byte[] buffer, int sz, IPEndPoint ep)
{
using (BinaryReader br = new BinaryReader(new MemoryStream(buffer)))
{
int magic = br.ReadInt32();
if (magic != MagicNumber)
{
return(null);
}
NetPackage package = new NetPackage();
package.RemoteEP = new IPEndPoint(ep.Address, ep.Port);
package.ID = br.ReadInt32();
package.ContentID = br.ReadInt32();
package.OrderID = br.ReadInt32();
if (package.OrderID == 1)
{
package.CommandID = (NetCommandType)br.ReadInt32();
package.PackageCount = br.ReadInt32();
}
package.Size = sz - (int)br.BaseStream.Position;
package.Buffer = new MemoryStream(buffer, 0, sz).ToArray();
return(package);
}
}
public static NetPackage Create(int contentID, int orderID, NetCommandType commandID, int packageCount, byte[] data, IPEndPoint iep)
{
using (BinaryWriter bw = new BinaryWriter(new MemoryStream()))
{
int packageID = GeneratePackageID();
bw.Write(MagicNumber);
bw.Write(packageID);
bw.Write(contentID);
bw.Write(orderID);
if (orderID == 1)
{
bw.Write((int)commandID);
bw.Write(packageCount);
}
bw.Write(data, 0, data.Length);
bw.Flush();
bw.BaseStream.Seek(0, SeekOrigin.Begin);
NetPackage package = new NetPackage();
package.RemoteEP = new IPEndPoint(iep.Address, iep.Port);
package.ID = packageID;
package.ContentID = contentID;
package.OrderID = orderID;
package.CommandID = commandID;
package.PackageCount = packageCount;
package.Buffer = ((MemoryStream)bw.BaseStream).ToArray();
package.Size = data.Length;
return package;
}
}
private void AddPackage(NetPackage package)
{
if (package == null)
{
return;
}
if (package.RemoteEP.Port != NetService.SocketSendPort)
{
return;
}
package.RemoteEP.Port = NetService.SocketReadPort;
if (package.CommandID != NetCommandType.RemoveProcessedPackage)
{
OutgoingPackagePool.AddFirst(NetPackageGenerater.TellReceived(package.ID, package.RemoteEP));
}
string key = UserInfo.ToUserToken(package.RemoteEP);
Sender sender = null;
if (m_senders.ContainsKey(key))
{
sender = m_senders[key];
}
else
{
sender = new Sender(package.RemoteEP);
m_senders.Add(key, sender);
}
sender.AddPackage(package);
}
public static void DequeueUnprocess(List <NetPackage> pkgs)
{
lock (m_lockobject)
{
int sz = 0;
foreach (NetPackage pkg in pkgs)
{
sz += pkg.Buffer.Length;
}
while (s_singleton.m_unprocessed.Count != 0)
{
NetPackage pkg = s_singleton.m_unprocessed[0];
sz += pkg.Buffer.Length;
if (sz >= NetService.SocketBufferSize)
{
break;
}
s_singleton.m_unprocessed.RemoveAt(0);
if (pkg.CommandID != NetCommandType.RemoveProcessedPackage)
{
s_singleton.m_processed.Add(pkg.ID, new PackageLife(pkg));
}
pkgs.Add(pkg);
}
}
}
public static void Add(NetPackage[] packages)
{
lock (m_lockobject)
{
s_singleton.m_unprocessed.AddRange(packages);
}
}
public static void AddFirst(NetPackage[] packages)
{
lock (m_lockobject)
{
s_singleton.m_unprocessed.InsertRange(0, packages);
}
}
public static NetPackage Create(int contentID, int orderID, NetCommandType commandID, int packageCount, byte[] data, IPEndPoint iep)
{
using (BinaryWriter bw = new BinaryWriter(new MemoryStream()))
{
int packageID = GeneratePackageID();
bw.Write(MagicNumber);
bw.Write(packageID);
bw.Write(contentID);
bw.Write(orderID);
if (orderID == 1)
{
bw.Write((int)commandID);
bw.Write(packageCount);
}
bw.Write(data, 0, data.Length);
bw.Flush();
bw.BaseStream.Seek(0, SeekOrigin.Begin);
NetPackage package = new NetPackage();
package.RemoteEP = new IPEndPoint(iep.Address, iep.Port);
package.ID = packageID;
package.ContentID = contentID;
package.OrderID = orderID;
package.CommandID = commandID;
package.PackageCount = packageCount;
package.Buffer = ((MemoryStream)bw.BaseStream).ToArray();
package.Size = data.Length;
return(package);
}
}
public static void AddProcessedPackage(NetPackage[] packages)
{
lock (m_lockobject)
{
foreach (NetPackage pkg in packages)
{
s_singleton.m_processed.Add(pkg.ID, new PackageLife(pkg));
}
}
}
public static NetPackage[] VersionUpdate(byte[] updateFileData, IPEndPoint iep)
{
byte[] bytes = Helper.GetBytes(DataManager.Version);
MemoryStream ms = new MemoryStream();
ms.Write(Helper.GetBytes(bytes.Length), 0, 4);
ms.Write(bytes, 0, bytes.Length);
ms.Write(Helper.GetBytes(updateFileData.Length), 0, 4);
ms.Write(updateFileData, 0, updateFileData.Length);
return(NetPackage.ContentCreate(NetCommandType.VersionUpdate, ms.ToArray(), iep));
}
public PackageLife(NetPackage pkg)
{
m_pkg = pkg;
m_resendCounter = 20;
m_timer = 300;
if (s_maxTimes == null)
{
s_maxTimes = new List <int>();
for (int i = 0; i < m_resendCounter; i++)
{
s_maxTimes.Add(200 + 100 * (m_resendCounter - i - 1));
}
}
}
public void AddPackage(NetPackage package)
{
if (package == null)
{
return;
}
if (m_finishedContents.ContainsKey(package.ContentID))
{
return;
}
Content content = null;
if (m_contents.ContainsKey(package.ContentID))
{
content = m_contents[package.ContentID];
}
else
{
content = new Content(package.ContentID);
m_contents.Add(package.ContentID, content);
}
content.Add(package);
if (content.IsFull())
{
Cmd cmd = null;
byte[] data = content.CombineData();
UserInfo usr = UserInfoManager.FindUser(RemoteEP);
string usrname = (usr == null) ? "no user" : usr.Username;
Logger.CounterCommand_Recv(content.CommandType);
if (content.CommandType != NetCommandType.RemoveProcessedPackage)
{
Logger.WriteLine("<<--- command: " + content.CommandType.ToString() + " from :" + usrname);
}
cmd = GenerateCommand(content, cmd, data);
CommandPool.AddCommand(cmd);
m_contents.Remove(content.ID);
m_finishedContents.Add(content.ID, content.ID);
}
}
public void Add(NetPackage package)
{
if (m_packages.ContainsKey(package.OrderID))
{
return;
}
else
{
m_packages.Add(package.OrderID, package);
}
if (package.OrderID == 1)
{
type = (NetCommandType)package.CommandID;
m_count = package.PackageCount;
}
}
public static NetPackage[] AppendImageMessage(string imagePath, IPEndPoint iep)
{
MemoryStream stream = new MemoryStream();
byte[] bytes = null;
bytes = Helper.GetBytes(Path.GetFileName(imagePath));
stream.Write(Helper.GetBytes(bytes.Length), 0, 4);
stream.Write(bytes, 0, bytes.Length);
bytes = File.ReadAllBytes(imagePath);
stream.Write(bytes, 0, bytes.Length);
bytes = stream.ToArray();
stream.Dispose();
return(NetPackage.ContentCreate(NetCommandType.AppendImageMessage, bytes, iep));
}
public static bool Receive(Socket socket)
{
if (socket.Available <= 0)
{
return(false);
}
try
{
IPEndPoint iep = new IPEndPoint(IPAddress.Any, 0);
EndPoint ep = iep;
bool received = false;
int len = socket.ReceiveFrom(buffer, ref ep);
while (len != 0)
{
received = true;
Logger.Counter_Pkg_Recv();
s_singleton.AddPackage(NetPackage.Parse(buffer, len, (IPEndPoint)ep));
if (socket.Available <= 0)
{
break;
}
len = socket.ReceiveFrom(buffer, ref ep);
}
return(received);
}
catch (Exception e)
{
Logger.WriteLine(e.Message);
}
return(false);
}
public static NetPackage[] ContentCreate(NetCommandType commandID, byte[] data, IPEndPoint iep)
{
int contentID = NetPackage.GenerateContentID();
int max_pkg_sz = 384;
int offset = 0;
int order = 1;
int count = (data.Length + max_pkg_sz - 1) / max_pkg_sz;
NetPackage[] packages = new NetPackage[count];
int length = data.Length;
while (length != 0)
{
int sz = Math.Min(384, length);
byte[] buf = new MemoryStream(data, offset, sz).ToArray();
packages[order - 1] = (NetPackage.Create(contentID, order, commandID, count, buf, iep));
order++;
offset += sz;
length -= sz;
}
return packages;
}
public static NetPackage[] BroadcastFindUser()
{
IPEndPoint iep = new IPEndPoint(IPAddress.Broadcast, NetService.SocketReadPort);
return(NetPackage.ContentCreate(NetCommandType.BroadcastFindUser, Helper.GetBytes(DataManager.WhoAmI), iep));
}
public static NetPackage Parse(byte[] buffer, int sz, IPEndPoint ep)
{
using (BinaryReader br = new BinaryReader(new MemoryStream(buffer)))
{
int magic = br.ReadInt32();
if (magic != MagicNumber)
return null;
NetPackage package = new NetPackage();
package.RemoteEP = new IPEndPoint(ep.Address, ep.Port);
package.ID = br.ReadInt32();
package.ContentID = br.ReadInt32();
package.OrderID = br.ReadInt32();
if (package.OrderID == 1)
{
package.CommandID = (NetCommandType)br.ReadInt32();
package.PackageCount = br.ReadInt32();
}
package.Size = sz - (int)br.BaseStream.Position;
package.Buffer = new MemoryStream(buffer, 0, sz).ToArray();
return package;
}
}
public static NetPackage[] TellReceived(int packageID, IPEndPoint iep)
{
return(NetPackage.ContentCreate(NetCommandType.RemoveProcessedPackage, BitConverter.GetBytes(packageID), iep));
}
public static NetPackage[] FindGroupUser(string groupKey, IPEndPoint iep)
{
return(NetPackage.ContentCreate(NetCommandType.FindGroupUser, Helper.GetBytes(groupKey + ";" + DataManager.WhoAmI), iep));
}
public static NetPackage[] AddGroupUser(string groupKey, IPEndPoint iep)
{
return(NetPackage.ContentCreate(NetCommandType.AddGroupUser, Helper.GetBytes(groupKey), iep));
}
public PackageLife(NetPackage pkg)
{
m_pkg = pkg;
m_resendCounter = 20;
m_timer = 300;
if (s_maxTimes == null)
{
s_maxTimes = new List<int>();
for (int i = 0; i < m_resendCounter; i++)
{
s_maxTimes.Add(200 + 100 * (m_resendCounter - i - 1));
}
}
}
public static NetPackage[] AppendGroupTextMessage(string groupKey, string msg, IPEndPoint iep)
{
string val = string.Format("{0};{1}", groupKey, msg);
return(NetPackage.ContentCreate(NetCommandType.AppendGroupTextMessage, Helper.GetBytes(val), iep));
}
public static NetPackage[] AppendTextMessage(string msg, IPEndPoint iep)
{
return(NetPackage.ContentCreate(NetCommandType.AppendTextMessage, Helper.GetBytes(msg), iep));
}
public static NetPackage[] CreateNewGroup(string groupKey, string name, IPEndPoint iep)
{
string val = groupKey + ";" + name;
return(NetPackage.ContentCreate(NetCommandType.CreateNewGroup, Helper.GetBytes(val), iep));
}
public static NetPackage[] UserOffline(IPEndPoint iep)
{
return(NetPackage.ContentCreate(NetCommandType.UserOffline, Helper.GetBytes(DataManager.WhoAmI), iep));
}
