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1
5
6 import java.net.*;
7 import java.io.*;
8
9 public class debugserver {
10 static boolean closed = false;
11
12 public static void main(String  [] args) throws IOException {
13
14 ServerSocket serverSocket = null;
15 int port= 5559;
16 if (args.length > 0) {
17 try {
18 port = Integer.parseInt(args[0]);
19 } catch (NumberFormatException e) {
20 System.err.println("could not parse port number "+args[0]);
21 }
22 }
23
24 while (true) {
25
26 try {
27 serverSocket = new ServerSocket(port);
28 } catch (IOException e) {
29 System.err.println("Could not listen on port "+port);
30 System.exit(1);
31 }
32
33
34
35 closed = false;
36 try {
37 System.out.println("Listening on port "+port);
38 final Socket clientSocket = serverSocket.accept();
39
40 System.out.println("Accepting connection on port "+port);
41
42 PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
43 final BufferedReader in = new BufferedReader(
44 new InputStreamReader(
45 clientSocket.getInputStream()));
46 String inputLine, outputLine;
47
48 int seqnum = 1;
49
50 new Thread () {
52 public void run() {
53 try {
54 FileWriter of = new FileWriter("lzdebug.log");
55 PrintWriter outf = new PrintWriter(of);
56 while (true) {
57 try {
58 int ch = in.read();
59 if (ch == -1) {
60 debugserver.closed = true;
61 return;
62 }
63 if (ch == 0) {
64 System.out.println("");
65 outf.println("");
66 outf.flush();
67 } else {
68 System.out.write(ch);
69 outf.write(ch);
70 }
71 if (clientSocket.isClosed()) {
72 debugserver.closed = true;
73 return;
74 }
75 } catch (IOException e) {
76 System.out.println(e);
77 debugserver.closed = true;
78 return;
79 }
80 }
81 } catch (IOException e) { }
82 }
83 }.start();
84
85 if (args.length > 1) {
87 for (int n = 1; n < args.length; n++) {
88 String fname = args[n];
89 try {
90 FileInputStream fis = new FileInputStream(fname);
91 byte b[] = new byte[fis.available()];
92 fis.read(b);
93 String cmd = new String (b);
94 System.out.println("Sent: "+cmd);
95 out.write("<exec seq='"+(seqnum++)+"'>"+escapeXml(cmd)+"</exec>\000");
96 out.flush();
97 } catch (IOException e) {
98 System.out.println(e);
99 }
100 }
101 }
102
103 BufferedReader tty = new BufferedReader(new InputStreamReader(System.in));
104 String expr;
105
106 while (!closed && (expr = tty.readLine()) != null) {
107 if (expr.trim().equals("")) continue;
108 out.write("<eval seq='"+(seqnum++)+"'>"+ escapeXml(expr)+"</eval>\000");
109 out.flush();
110 }
111
112
113 out.close();
114 in.close();
115 clientSocket.close();
116 serverSocket.close();
117 System.out.println("Connection closed");
118 } catch (RuntimeException e) {
119 System.out.println("Exception "+e);
120 }
121 }
122 }
123
124
131 public static String escapeXml(String s) {
132 if (s == null) return null;
133 StringBuffer sb = new StringBuffer ();
134 for(int i=0; i<s.length(); i++) {
135 char c = s.charAt(i);
136 if (c == '<') {
137 sb.append("<");
138 } else if (c == '>') {
139 sb.append(">");
140 } else if (c == '\'') {
141 sb.append("'");
142 } else if (c == '&') {
143 sb.append("&");
144 } else if (c == '"') {
145 sb.append(""");
146 } else {
147 sb.append(c);
148 }
149 }
150 return sb.toString();
151 }
152
153
154 }
155 |
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