/// <summary>
/// 设置tcp服务端通信
/// </summary>
public bool Setup(IServerConfig config)
{
try
{
if (_sersocket != null)
{
_sersocket.Close();
}
_config = config;
//初始化socket
_sersocket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
//绑定端口
IPEndPoint iep = new IPEndPoint(_config.IP, _config.Port);
try
{
_sersocket.Bind(iep);
}
catch (Exception ex)
{
State = ServerStateEnum.NotInitialized;
return(false);
}
State = ServerStateEnum.NotStarted;
return(true);
}
catch (Exception ex)
{
State = ServerStateEnum.NotInitialized;
return(false);
}
}
private string HandlePlayerPieces(string[] messageParts)
{
string result = "";
string playerNum = "";
if (messageParts[0] == "Pieces")
{
if (messageParts.GetPiecesOrNull(1) == null)
{
result = "No player number provided";
}
else if (messageParts.GetPiecesOrNull(2) == null)
{
result = "No player pieces sent";
}
else
{
string num = messageParts[1];
if (num != "1" && num != "2")
{
result = "Player number not valid";
return(result);
}
string pieces = messageParts[2];
playerNum = num;
// ToDo: Validate player has sent the correct amount of pieces
if (_player1Board == null && playerNum == "1")
{
_player1Board = new PlayerBoard(pieces);
result = "OK";
}
else if (_player1Board != null && playerNum == "1")
{
result = "Pieces already recieved";
}
else if (_player2Board == null && playerNum == "2")
{
_player2Board = new PlayerBoard(pieces);
result = "OK";
}
else if (_player2Board != null && playerNum == "2")
{
result = "Pieces already recieved";
}
if (_player1Board != null && _player2Board != null)
{
GameState = ServerStateEnum.Player1Turn;
}
}
}
return(result);
}
public void Stop()
{
if (State != ServerStateEnum.Running)
{
return;
}
try
{
//先断开服务端本身的socket通信
//否则客户端会提示，服务器强制断开远程连接
if (_sersocket != null)
{
if (_sersocket.Connected)
{
_sersocket.Shutdown(SocketShutdown.Both);
}
}
CloseAllClient();
_sessionTable = null;
_threadlist = null;
if (Config.IsRecHeartbeat)
{
this.daemonthread.Close();
}
State = ServerStateEnum.NotStarted;
}
catch (Exception ex)
{ State = ServerStateEnum.NotStarted; }
}
private void OnStart()
{
try
{
_sersocket.Listen(_config.ListenBacklog);
State = ServerStateEnum.Running;
while (true)
{
Socket client = _sersocket.Accept();
AppSession newSession = new AppSession(client);
newSession._lastactivedatetime = DateTime.Now;
string aSessionID = Guid.NewGuid().ToString();
newSession.ID = aSessionID;
lock (LockObj)
{ _sessionTable.Add(aSessionID, newSession); }
Thread newthead = new Thread(new ParameterizedThreadStart(ServiceClient));
Thread newThreadSend = new Thread(new ParameterizedThreadStart(ServiceClientForHeart));
newThreadSend.Name = newthead.Name = aSessionID;
newthead.IsBackground = true;
newThreadSend.IsBackground = true;
newthead.Start(aSessionID);
newThreadSend.Start(aSessionID);
_threadlist.Add(newthead);
_threadlist.Add(newThreadSend);
}
}
catch (Exception ex)
{ State = ServerStateEnum.NotStarted; }
}
/// <summary>
/// 启动服务
/// </summary>
public bool Start()
{
try
{
//服务器配置和服务器状态判断
if (_config == null || State == ServerStateEnum.NotInitialized)
{
State = ServerStateEnum.NotInitialized;
}
_sessionTable = new Dictionary <string, AppSession>(); //客户端会话连接Session
_threadlist = new List <Thread>(); //线程池
processor = new Thread(new ThreadStart(OnStart)); //新建一个处理线程
processor.IsBackground = true; //线程启动
processor.Start(); //线程开始准备就绪
//客户端心跳处理判断
daemonthread = new DaemonThread(this);
State = ServerStateEnum.Running;
return(true);
}
catch (Exception ex)
{
State = ServerStateEnum.NotStarted;
return(false);
}
}
public bool ValidTransition(ServerStateEnum newState)
{
if (ValidNewStates.Contains(newState))
{
return(true);
}
else
{
return(false);
}
}
public ServerState(ServerStateEnum state, bool isDegradedState, bool ignoreMirrorStateCheck, List <ServerStateEnum> validNewStates)
{
_state = state;
if (state.ToString().StartsWith("PRIMARY"))
{
_isPrimaryRole = true;
}
else
{
_isPrimaryRole = false;
}
_isDegradedState = isDegradedState;
_ignoreMirrorStateCheck = ignoreMirrorStateCheck;
_validNewStates = validNewStates;
}
private string HandlePlayerConnects(string[] messageParts)
{
string result = "";
if (messageParts[0] == "Connect")
{
if (GameState == ServerStateEnum.Player1Connect)
{
// Signal that they have connected as player 1
result = "OK|1";
GameState = ServerStateEnum.Player2Connect;
}
else if (GameState == ServerStateEnum.Player2Connect)
{
// Signal that they have connected as player 2
result = "OK|2";
GameState = ServerStateEnum.PlayerPieces;
}
}
return(result);
}
public BattleshipsServerState()
{
GameState = ServerStateEnum.Player1Connect;
}
private string HandlePlayerTurn(string[] messageParts)
{
string result = "";
// Two commands - Recieve and Turn
if (messageParts[0] == "Turn" && _lastPlay == null)
{
if (_state == ServerStateEnum.Player1Turn && messageParts[1] == "1")
{
// Apply hit to board
_lastPlay = messageParts[2];
bool hit = _player2Board.ApplyHit(messageParts[2]);
_lastPlayHit = hit;
if (hit)
{
return("HIT");
}
else
{
return("MISS");
}
}
else if (_state == ServerStateEnum.Player2Turn && messageParts[1] == "2")
{
// Apply hit to board
_lastPlay = messageParts[2];
bool hit = _player1Board.ApplyHit(messageParts[2]);
_lastPlayHit = hit;
if (hit)
{
return("HIT");
}
else
{
return("MISS");
}
}
else
{
result = "Not Your Turn";
}
}
else if (messageParts[0] == "Turn" && _lastPlay != null)
{
result = "Turn Already Taken";
}
else if (messageParts[0] == "Recieve" && _lastPlay != null)
{
if ((messageParts[1] == "1" && GameState == ServerStateEnum.Player2Turn) ||
messageParts[1] == "2" && GameState == ServerStateEnum.Player1Turn)
{
result = "OK|" + _lastPlay;
_lastPlay = null;
// This triggers the move to the next player
// ToDO: Check if the game is over maybe?
if (GameState == ServerStateEnum.Player1Turn && _lastPlayHit == false)
{
GameState = ServerStateEnum.Player2Turn;
}
else if (GameState == ServerStateEnum.Player2Turn && _lastPlayHit == false)
{
GameState = ServerStateEnum.Player1Turn;
}
}
else
{
result = "Not your turn to recieve";
}
}
else if (messageParts[0] == "Recieve" && _lastPlay == null)
{
if ((messageParts[1] == "1" && GameState == ServerStateEnum.Player2Turn) ||
messageParts[1] == "2" && GameState == ServerStateEnum.Player1Turn)
{
result = "Pending";
}
else
{
// Not ready
result = "NR";
}
}
return(result);
}
