1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:
103:
104:
105:
106:
107:
108:
109:
110:
111:
112:
113:
114:
115:
116:
117:
118:
119:
120:
121:
122:
123:
124:
125:
126:
127:
128:
129:
130:
131:
132:
133:
134:
135:
136:
137:
138:
139:
140:
141:
142:
143:
144:
145:
146:
147:
148:
149:
150:
151:
152:
153:
154:
155:
156:
157:
158:
159:
160:
161:
162:
163:
164:
165:
166:
167:
168:
169:
170:
171:
172:
173:
174:
175:
176:
177:
178:
179:
180:
181:
182:
183:
184:
185:
186:
187:
188:
189:
190:
191:
192:
193:
194:
195:
196:
197:
198:
199:
200:
201:
202:
203:
204:
205:
206:
207:
208:
209:
210:
211:
212:
213:
214:
215:
216:
217:
218:
219:
220:
221:
222:
223:
224:
225:
226:
227:
228:
229:
230:
231:
232:
233:
234:
235:
236:
237:
238:
239:
240:
241:
242:
243:
244:
245:
246:
247:
248:
249:
250:
251:
252:
253:
254:
255:
256:
257:
258:
259:
260:
261:
262:
263:
264:
265:
266:
267:
268:
269:
270:
271:
272:
273:
274:
275:
276:
277:
278:
279:
280:
281:
282:
283:
284:
285:
286:
287:
288:
289:
290:
291:
292:
293:
294:
295:
296:
297:
298:
299:
300:
301:
302:
303:
304:
305:
306:
307:
308:
309:
310:
311:
312:
313:
314:
315:
316:
317:
| unit ServerMainFormManager;
interface
uses
...
type
TServerMainFormManager = class
private
m_mainForm : TServerMainForm;
m_socketListen : Socket;
m_socketAccept : Socket;
m_Backlog : integer;
m_WorkerCallback : AsyncCallback;
Logger : ILog;
m_CommandCompleteEvent : TCommandCompleteEventHandler;
m_currentCommandString : string;
m_currentCommandStringLocked : boolean;
m_SendCommandAnswer : string;
procedure acceptCallback(asyncResult : IAsyncResult);
procedure onDataReceived(asyncResult : IAsyncResult);
procedure waitForData(pSocket : Socket);
procedure processData(newChar : string);
procedure ButtonStartClicked(Sender: TObject; Args: EventArgs);
procedure ButtonSendClicked(Sender: TObject; Args: EventArgs);
procedure ButtonStopClicked(Sender: TObject; Args: EventArgs);
procedure removeCommandCompleteEvent(event : TCommandCompleteEventHandler);
procedure addCommandCompleteEvent(event : TCommandCompleteEventHandler);
function getCurrentCommandString: string;
public
property ReceivedCommandString : string read getCurrentCommandString;
property CommandCompleteEventHandler : TCommandCompleteEventHandler add addCommandCompleteEvent remove removeCommandCompleteEvent;
constructor Create;
procedure start();
procedure SendCommandAnswer(answer:string);
end;
implementation
{$REGION 'Constructor'}
constructor TServerMainFormManager.Create;
begin
inherited Create;
Logger := LogManager.GetLogger('TServerMainFormManager');
XmlConfigurator.Configure(FileInfo.Create('LogConfig.xml'));
m_mainForm := TServerMainForm.Create();
Include(m_mainForm.ButtonStart.Click,ButtonStartClicked);
Include(m_mainForm.ButtonSend.Click,ButtonSendClicked);
Include(m_mainForm.ButtonStopServer.Click,ButtonStopClicked);
m_Backlog := 1;
end;
function TServerMainFormManager.getCurrentCommandString: string;
begin
Result := m_currentCommandString;
end;
{$ENDREGION}
{$REGION 'Mainform Events'}
procedure TServerMainFormManager.ButtonStartClicked(Sender: TObject;Args: EventArgs);
var serverPort : integer;
begin
try
m_socketListen := Socket.Create(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
Logger.Debug('New Socket created, Port: '+m_mainForm.NumericUpDownPort.Value.ToString());
serverPort := Convert.ToInt32(m_mainForm.NumericUpDownPort.Value);
m_socketListen.Bind(IPEndPoint.Create(IPAddress.Any,serverPort));
Logger.Debug('Socket Bind');
m_socketListen.Listen(m_Backlog);
Logger.Debug('Socket listening');
m_socketListen.BeginAccept(acceptCallback,nil);
Logger.Debug('Socket waits for Clients');
if (m_socketListen.Connected) then
Logger.Debug('Connected');
m_mainForm.ButtonStart.Enabled := false;
m_mainForm.ButtonStoPServer.Enabled := true;
m_mainForm.NumericUpDownPort.Enabled := false;
except
on E:SocketException do begin
Logger.Error(E.Message);
end;
end;
end;
procedure TServerMainFormManager.ButtonStopClicked(Sender: TObject;
Args: EventArgs);
begin
try
if assigned(m_socketAccept) and (m_socketAccept.Connected) then
m_socketAccept.Shutdown(SocketShutdown.Both);
if assigned(m_socketListen) and m_socketListen.Connected then begin
m_socketListen.Shutdown(SocketShutdown.Both);
end;
m_socketListen.Close();
m_mainForm.ButtonStart.Enabled := true;
m_mainForm.ButtonStoPServer.Enabled := false;
m_mainForm.NumericUpDownPort.Enabled := true;
except
on E:SocketException do begin
Logger.Error(E.Message);
end;
end;
end;
procedure TServerMainFormManager.ButtonSendClicked(Sender: TObject;Args: EventArgs);
var objData : TObject;
byteData : array of byte;
begin
try
Logger.Debug('Send Data to Client...');
objData := m_mainForm.TextBoxSend.Text;
byteData := System.Text.Encoding.ASCII.GetBytes(objData.ToString());
m_socketAccept.Send(byteData);
Logger.Debug('Data send to Client successful');
except
on E:Exception do
Logger.Error(E.Message);
end;
end;
{$ENDREGION}
{$REGION 'Private Functions'}
procedure TServerMainFormManager.removeCommandCompleteEvent(event: TCommandCompleteEventHandler);
begin
m_CommandCompleteEvent := TCommandCompleteEventHandler(Delegate.Remove(@m_CommandCompleteEvent,@event));
end;
procedure TServerMainFormManager.addCommandCompleteEvent(event : TCommandCompleteEventHandler);
begin
m_CommandCompleteEvent := TCommandCompleteEventHandler(Delegate.Combine(@m_CommandCompleteEvent,@event));
end;
{$ENDREGION}
procedure TServerMainFormManager.start;
begin
m_mainForm.ShowDialog();
end;
procedure TServerMainFormManager.acceptCallback(asyncResult: IAsyncResult);
begin
try
Logger.Debug('Callback');
m_socketAccept := m_socketListen.EndAccept(asyncResult);
waitForData(m_socketAccept);
except
on E:SocketException do
Logger.Error(E.Message);
end;
end;
procedure TServerMainFormManager.waitForData(pSocket: Socket);
var socPkt : TSocketPacket;
begin
try
if not assigned(m_WorkerCallback) then begin
m_WorkerCallback := ondataReceived;
end;
socPkt := TSocketPacket.Create();
socPkt.socket := pSocket;
Logger.Debug('Listening for any data...');
pSocket.BeginReceive(socPkt.dataBuffer,
0,
length(socPkt.databuffer),
SocketFlags.None,
m_WorkerCallback,
socPkt);
except
on E:Exception do
Logger.Error(E.Message);
end;
end;
procedure TServerMainFormManager.onDataReceived(asyncResult: IAsyncResult);
var theSockID : TSocketPacket;
iRx, charLen : integer;
dec : Decoder;
chars : array of char;
szData : string;
begin
try
theSockID := TSocketPacket(asyncResult.AsyncState);
Logger.Debug('Receive Data');
iRx := theSockID.socket.EndReceive(asyncResult);
SetLength(chars,iRx+1);
dec := System.Text.Encoding.ASCII.GetDecoder();
charLen := dec.GetChars(theSockID.dataBuffer, 0, iRx, chars, 0);
szData := string(chars);
m_mainForm.TextBoxReceived.Text := m_mainForm.TextBoxReceived.Text + szData;
processData(szData);
Logger.Debug(m_currentCommandString);
waitForData(m_socketAccept);
except
on E:ObjectDisposedException do
Logger.Debug('OnDataReceived: Socket has been closed');
on E: SocketException do
Logger.Error(E.Message);
end;
end;
procedure TServerMainFormManager.processData(newChar: string);
begin
...
end;
procedure TServerMainFormManager.SendCommandAnswer(answer: string);
begin
...
end;
end. |
Christian S.: Topic aus .NET verschoben am Mi 07.06.2006 um 12:56