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1 | import java.io.*; |
2 | |
3 | public class read_trace { |
4 | public static void main(String[] args) { |
5 | int tmp = 0; |
6 | |
7 | try { |
8 | FileInputStream file_input = new FileInputStream ("../trace.dat"); |
9 | DataInputStream data_input = new DataInputStream (file_input); |
10 | |
11 | int timestamp; |
12 | short id; |
13 | byte length; |
14 | |
15 | while(true) { |
16 | timestamp = data_input.readInt(); |
17 | id = data_input.readShort(); |
18 | length = data_input.readByte(); |
19 | |
20 | byte[] buf = new byte[length]; |
21 | data_input.readFully(buf, 0, length); |
22 | |
23 | |
24 | ByteArrayInputStream eargs = new ByteArrayInputStream(buf); |
25 | DataInputStream eargs_data = new DataInputStream (eargs); |
26 | |
27 | /* read arg 1 (short) */ |
28 | short arg1 = eargs_data.readShort(); |
29 | |
30 | /* read arg 2 (string) */ |
31 | eargs_data.mark(10000); |
32 | int strlen=0; |
33 | while(eargs_data.readByte() != 0) |
34 | strlen++; |
35 | eargs_data.reset(); |
36 | byte[] arg2 = new byte[strlen]; |
37 | eargs_data.readFully(arg2, 0, strlen); |
38 | |
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39 | if(args.length>0 && args[0].equals("-p")) |
40 | System.out.printf("timestamp %d id %d args=(short=%d string=\"%s\") %n", timestamp, id, arg1, new String(arg2)); |
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41 | } |
42 | |
43 | } |
44 | catch(IOException e) { |
45 | //System.out.println ("IO exception = " + e ); |
46 | //e.printStackTrace(); |
47 | } |
48 | |
49 | //file_input.close(); |
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50 | } |
51 | } |