annotate app/src/main/java/net/sourceforge/jsocks/SocksException.java @ 496:f698820bffdf

add socket2 monitor protocol
author Carl Byington <carl@five-ten-sg.com>
date Sun, 05 Jun 2022 14:46:41 -0700
parents d29cce60f393
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
349
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
1 package net.sourceforge.jsocks;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
2
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
3 /**
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
4 Exception thrown by various socks classes to indicate errors
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
5 with protocol or unsuccessfull server responses.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
6 */
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
7 public class SocksException extends java.io.IOException{
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
8 /**
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
9 Construct a SocksException with given errorcode.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
10 <p>
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
11 Tries to look up message which corresponds to this error code.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
12 @param errCode Error code for this exception.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
13 */
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
14 public SocksException(int errCode){
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
15 this.errCode = errCode;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
16 if((errCode >> 16) == 0){
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
17 //Server reply error message
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
18 errString = errCode <= serverReplyMessage.length ?
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
19 serverReplyMessage[errCode] :
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
20 UNASSIGNED_ERROR_MESSAGE;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
21 }else{
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
22 //Local error
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
23 errCode = (errCode >> 16) -1;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
24 errString = errCode <= localErrorMessage.length ?
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
25 localErrorMessage[errCode] :
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
26 UNASSIGNED_ERROR_MESSAGE;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
27 }
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
28 }
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
29 /**
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
30 Constructs a SocksException with given error code and message.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
31 @param errCode Error code.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
32 @param errString Error Message.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
33 */
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
34 public SocksException(int errCode,String errString){
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
35 this.errCode = errCode;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
36 this.errString = errString;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
37 }
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
38 /**
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
39 Get the error code associated with this exception.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
40 @return Error code associated with this exception.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
41 */
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
42 public int getErrorCode(){
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
43 return errCode;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
44 }
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
45 /**
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
46 Get human readable representation of this exception.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
47 @return String represntation of this exception.
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
48 */
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
49 public String toString(){
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
50 return errString;
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
51 }
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
52
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
53 static final String UNASSIGNED_ERROR_MESSAGE =
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
54 "Unknown error message";
354
3c16508419fe update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 349
diff changeset
55 static final String serverReplyMessage[] = {
3c16508419fe update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 349
diff changeset
56 "Succeeded",
349
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
57 "General SOCKS server failure",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
58 "Connection not allowed by ruleset",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
59 "Network unreachable",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
60 "Host unreachable",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
61 "Connection refused",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
62 "TTL expired",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
63 "Command not supported",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
64 "Address type not supported" };
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
65
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
66 static final String localErrorMessage[] ={
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
67 "SOCKS server not specified",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
68 "Unable to contact SOCKS server",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
69 "IO error",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
70 "None of Authentication methods are supported",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
71 "Authentication failed",
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
72 "General SOCKS fault" };
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
73
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
74 String errString;
354
3c16508419fe update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 349
diff changeset
75 public int errCode;
349
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
76
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
77 }//End of SocksException class
205ee2873330 update jsocks to 2011-03-19
Carl Byington <carl@five-ten-sg.com>
parents: 0
diff changeset
78