Mercurial > hg > Members > nobuyasu > tightVNCProxy

comparison src/myVncProxy/MyRfbProto.java @ 24:87b29d6039a6

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add package myVncProxy
author e085711
date Sun, 24 Apr 2011 23:03:00 +0900
parents src/MyRfbProto.java@b51bb7bc0766
children cded9fd297ab
comparison
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23:b51bb7bc0766 24:87b29d6039a6
1 package myVncProxy;
2 import java.io.BufferedReader;
3 import java.io.IOException;
4 import java.io.InputStreamReader;
5 import java.net.BindException;
6 import java.net.ServerSocket;
7 import java.net.Socket;
8 import java.util.LinkedList;
9
10
11 class MyRfbProto extends RfbProto {
12
13 private int messageType;
14 private int rectangles;
15 private int rectX;
16 private int rectY;
17 private int rectW;
18 private int rectH;
19 private int encoding;
20
21 private ServerSocket servSock;
22 private int acceptPort;
23 private byte initData[];
24 private LinkedList <Socket> cliList;
25
26 MyRfbProto(String h, int p, VncViewer v ) throws IOException {
27 super(h, p, v);
28 cliList = new LinkedList <Socket>();
29 }
30
31 MyRfbProto(String h, int p) throws IOException {
32 super(h, p);
33 cliList = new LinkedList <Socket>();
34 }
35
36 void initServSock(int port) throws IOException{
37 servSock = new ServerSocket(port);
38 acceptPort = port;
39 }
40 void selectPort(){
41 int i = 5550;
42 while(true){
43 try{
44 initServSock(i);
45 break;
46 }catch(BindException e){
47 i++;
48 continue;
49 }catch(IOException e){
50
51 }
52 }
53 }
54 int getAcceptPort(){
55 return acceptPort;
56 }
57 void setSoTimeout(int num) throws IOException {
58 servSock.setSoTimeout(num);
59 }
60
61 Socket accept() throws IOException {
62 return servSock.accept();
63 }
64
65 void addSock(Socket sock){
66 cliList.add(sock);
67 }
68
69 void mark(int len) throws IOException {
70 is.mark(len);
71 }
72
73 void reset() throws IOException {
74 is.reset();
75 }
76
77 boolean markSupported() {
78 return is.markSupported();
79 }
80
81 void readServerInit() throws IOException {
82
83 mark(255);
84 skipBytes(20);
85 int nlen = readU32();
86 int blen = 20+4+nlen;
87 initData = new byte[blen];
88 reset();
89
90 mark(blen);
91 readFully(initData);
92 reset();
93
94 framebufferWidth = readU16();
95 framebufferHeight = readU16();
96 bitsPerPixel = readU8();
97 depth = readU8();
98 bigEndian = (readU8() != 0);
99 trueColour = (readU8() != 0);
100 redMax = readU16();
101 greenMax = readU16();
102 blueMax = readU16();
103 redShift = readU8();
104 greenShift = readU8();
105 blueShift = readU8();
106 byte[] pad = new byte[3];
107 readFully(pad);
108 int nameLength = readU32();
109 byte[] name = new byte[nameLength];
110 readFully(name);
111 desktopName = new String(name);
112
113 // Read interaction capabilities (TightVNC protocol extensions)
114 if (protocolTightVNC) {
115 int nServerMessageTypes = readU16();
116 int nClientMessageTypes = readU16();
117 int nEncodingTypes = readU16();
118 readU16();
119 readCapabilityList(serverMsgCaps, nServerMessageTypes);
120 readCapabilityList(clientMsgCaps, nClientMessageTypes);
121 readCapabilityList(encodingCaps, nEncodingTypes);
122 }
123
124 inNormalProtocol = true;
125 }
126
127 void sendInitData(Socket sock) throws IOException{
128 sock.getOutputStream().write(initData);
129 }
130
131 // void sendData(byte b[]) throws IOException{
132 void sendData(byte b[]){
133 try{
134 for(Socket cli : cliList){
135 try{
136 cli.getOutputStream().write(b, 0, b.length);
137 }catch(IOException e){
138 // if socket closed
139 // cliList.remove(cli);
140 cliList.remove(cli);
141 }
142 }
143 // System.out.println("cliSize="+cliSize());
144 }catch(Exception e){
145 // System.out.println("cliSize 0");
146 }
147 }
148 boolean ready() throws IOException {
149 BufferedReader br = new BufferedReader(new InputStreamReader(is));
150 return br.ready();
151 }
152
153 int cliSize(){
154 return cliList.size();
155 }
156 void printNumBytesRead(){
157 System.out.println("numBytesRead="+numBytesRead);
158 }
159 void bufResetSend(int size) throws IOException {
160 reset();
161 int len = size;
162 if(available() < size )
163 len = available();
164 byte buffer[] = new byte[len];
165 readFully(buffer);
166 sendData(buffer);
167 }
168 void regiFramebufferUpdate()throws IOException{
169 mark(16);
170 messageType = readU8();
171 skipBytes(1);
172 rectangles = readU16();
173 rectX = readU16();
174 rectY = readU16();
175 rectW = readU16();
176 rectH = readU16();
177 encoding = readU32();
178 reset();
179 }
180 void checkAndMark() throws IOException{
181 switch(encoding){
182 case RfbProto.EncodingRaw:
183 mark(rectW * rectH * 4 + 16);
184 break;
185 default:
186 mark(1000000);
187 }
188 }
189
190 void printFramebufferUpdate(){
191
192 System.out.println("messageType=" + messageType);
193 System.out.println("rectangles="+rectangles);
194 System.out.println("encoding=" + encoding);
195 switch(encoding){
196 case RfbProto.EncodingRaw:
197 System.out.println("rectW * rectH * 4 + 16 =" + rectW * rectH * 4 + 16);
198 break;
199 default:
200
201
202 }
203 }
204
205
206 }