//通过客户端的id请求，分配好服务端端口和appid交给客户端
//arrange ConfigId from top 4 bytes which received from client.
//response:
// 2 1 1 1 1 ...N
// clientid appid port appid2 port2
//request:
// 2 2
// clientid count
// methodType value = 0
public byte[] ArrangeConfigIds(byte[] appRequestBytes, byte[] consumerPortBytes, int highPriorityClientId)
{
// byte[] arrangedBytes = new byte[256];
ClientModel clientModel = new ClientModel();
int clientId;
//apprequestbytes里本身有clientId，但是如果传了highPriorityClientId，那就用这个clientId
if (highPriorityClientId != 0)
{
clientId = highPriorityClientId;
}
else
{
clientId = StringUtil.DoubleBytesToInt(appRequestBytes[0], appRequestBytes[1]);
}
//2.分配clientid //TODO 这一段可能不会再用到了
int appCount = (int)appRequestBytes[2];
if (clientId == 0)
{
lock (_lockObject)
{
byte[] tempClientIdBytes = new byte[2];
//分配clientid
for (int i = 0; i < 10000; i++)
{
_rand.NextBytes(tempClientIdBytes);
int tempClientId = (tempClientIdBytes[0] << 8) + tempClientIdBytes[1];
if (!ServerContext.Clients.ContainsKey(tempClientId))
{
clientModel.ClientId = tempClientId;
clientId = tempClientId;
break;
}
}
}
}
else
{
clientModel.ClientId = clientId;
}
//注册客户端
ServerContext.Clients.RegisterNewClient(clientModel.ClientId);
lock (_lockObject2)
{
//注册app
clientModel.AppList = new List <App>(appCount);
for (int i = 0; i < appCount; i++)
{
int startPort = StringUtil.DoubleBytesToInt(consumerPortBytes[2 * i], consumerPortBytes[2 * i + 1]);
int arrangedAppid = ServerContext.Clients[clientId].RegisterNewApp();
//查找port的起始端口如果未指定，则设置为20000
//TODO 如果端口是指定的并且是绑定的，则直接使用该端口即可
if (startPort == 0)
{
startPort = 20000;
}
int port = NetworkUtil.FindOneAvailableTCPPort(startPort);
NSPApp app = ServerContext.Clients[clientId].AppMap[arrangedAppid];
app.ClientId = clientId;
app.AppId = arrangedAppid;
app.ConsumePort = port;
app.Tunnels = new List <TcpTunnel>();
app.ReverseClients = new List <TcpClient>();
ServerContext.PortAppMap[port] = app;
clientModel.AppList.Add(new App
{
AppId = arrangedAppid,
Port = port
});
Logger.Info(port);
//配置时触发
AppTcpClientMapConfigConnected(this, new AppChangedEventArgs()
{
App = app
});
}
Logger.Debug(" <=端口已分配。");
}
return(clientModel.ToBytes());
}
/// <summary>
/// 分配端口方法
/// arrange ConfigId from top 4 bytes which received from client.
/// response:
/// 2 1 1 1 1 ...N
/// clientid appid port appid2 port2
/// request:
/// 2 2
/// clientid count
/// methodType value = 0
/// </summary>
public byte[] ArrangeConfigIds(byte[] appRequestBytes, byte[] consumerPortBytes, int highPriorityClientId)
{
// byte[] arrangedBytes = new byte[256];
ClientModel clientModel = new ClientModel();
int clientId;
//apprequestbytes里本身有clientId，但是如果传了highPriorityClientId，那就用这个clientId
if (highPriorityClientId != 0)
{
clientId = highPriorityClientId;
}
else
{
clientId = StringUtil.DoubleBytesToInt(appRequestBytes[0], appRequestBytes[1]);
}
//2.分配clientid //TODO 这一段可能不会再用到了
int appCount = (int)appRequestBytes[2];
if (clientId == 0)
{
lock (_lockObject)
{
byte[] tempClientIdBytes = new byte[2];
//分配clientid
for (int i = 0; i < 10000; i++)
{
_rand.NextBytes(tempClientIdBytes);
int tempClientId = StringUtil.DoubleBytesToInt(tempClientIdBytes);
if (!ServerContext.Clients.ContainsKey(tempClientId))
{
clientModel.ClientId = tempClientId;
clientId = tempClientId;
break;
}
}
}
}
else
{
clientModel.ClientId = clientId;
}
//注册客户端
ServerContext.Clients.RegisterNewClient(clientModel.ClientId);
//port proto option(iscompress) host description
//2 1 1 1024 96
int oneEndpointLength = 2 + 1 + 1 + 1024 + 96;
lock (_lockObject2)
{
//注册app
clientModel.AppList = new List <App>(appCount);
for (int i = 0; i < appCount; i++)
{
int offset = oneEndpointLength * i;
int startPort = StringUtil.DoubleBytesToInt(consumerPortBytes[offset], consumerPortBytes[offset + 1]);
int arrangedAppid = ServerContext.Clients[clientId].RegisterNewApp();
Protocol protocol = (Protocol)consumerPortBytes[offset + 2];
bool isCompress = consumerPortBytes[offset + 3] == 1 ? true : false;
string host = Encoding.ASCII.GetString(consumerPortBytes, offset + 4, 1024).TrimEnd('\0');
string description = Encoding.UTF8.GetString(consumerPortBytes, offset + 4 + 1024, 96).TrimEnd('\0');
//查找port的起始端口如果未指定，则设置为20000
if (startPort == 0)
{
startPort = Global.StartArrangedPort;
}
int port = 0;
//如果端口是指定的并且是绑定的，不加任何检测
bool hasListened = false;
if (IsBoundedByUser(clientId, startPort))
{
port = startPort;
}
else
{
if (protocol == Protocol.TCP)
{
int relocatedPort = NetworkUtil.FindOneAvailableTCPPort(startPort);
port = relocatedPort; //TODO 2 如果是共享端口协议，如果找不到端口则不进行侦听
}
else if (protocol == Protocol.HTTP)
{
int relocatedPort = NetworkUtil.FindOneAvailableTCPPort(startPort);
//兼容http侦听端口公用
if (port != relocatedPort)
{
//http协议下如果portappmap已经有值，说明已经发起过侦听，接下来不必再侦听
if (ServerContext.PortAppMap.ContainsKey(startPort))
{
port = startPort;
hasListened = true;
}
else
{
port = relocatedPort;
}
}
}
else if (protocol == Protocol.UDP)
{
int relocatedPort = NetworkUtil.FindOneAvailableUDPPort(startPort);
port = relocatedPort;
}
}
NSPApp app = ServerContext.Clients[clientId].AppMap[arrangedAppid];
app.ClientId = clientId;
app.AppId = arrangedAppid;
app.ConsumePort = port;
app.AppProtocol = protocol;
app.Host = host;
app.Description = description;
app.Tunnels = new List <TcpTunnel>();
app.ReverseClients = new List <TcpClient>();
app.IsCompress = isCompress;
if (protocol == Protocol.UDP)
{
if (!ServerContext.UDPPortAppMap.ContainsKey(port))
{
ServerContext.UDPPortAppMap[port] = new NSPAppGroup();
}
ServerContext.UDPPortAppMap[port][host] = app;
}
else
{
//TODO 设置app的host和protocoltype(TCP Only)
if (!ServerContext.PortAppMap.ContainsKey(port))
{
ServerContext.PortAppMap[port] = new NSPAppGroup();
}
ServerContext.PortAppMap[port][host] = app;
}
clientModel.AppList.Add(new App
{
AppId = arrangedAppid,
Port = port
});
Logger.Info(port);
//配置时触发
if (!hasListened)
{
AppTcpClientMapConfigApplied(this, new AppChangedEventArgs()
{
App = app
}); //触发listener侦听
}
}
Logger.Debug(" <=端口已分配。");
}
return(clientModel.ToBytes());
}