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Centralize error handling for buggy register handling
[openocd] / src / server / telnet_server.h
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   Copyright (C) 2007,2008 Ã˜yvind Harboe                                 *
6  *   oyvind.harboe@zylin.com                                               *
7  *                                                                         *
8  *   Copyright (C) 2008 by Spencer Oliver                                  *
9  *   spen@spen-soft.co.uk                                                  *
10  *                                                                         *
11  *   This program is free software; you can redistribute it and/or modify  *
12  *   it under the terms of the GNU General Public License as published by  *
13  *   the Free Software Foundation; either version 2 of the License, or     *
14  *   (at your option) any later version.                                   *
15  *                                                                         *
16  *   This program is distributed in the hope that it will be useful,       *
17  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
18  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
19  *   GNU General Public License for more details.                          *
20  *                                                                         *
21  *   You should have received a copy of the GNU General Public License     *
22  *   along with this program; if not, write to the                         *
23  *   Free Software Foundation, Inc.,                                       *
24  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
25  ***************************************************************************/
26 #ifndef TELNET_SERVER_H
27 #define TELNET_SERVER_H
28
29 #include "server.h"
30
31 #define TELNET_BUFFER_SIZE (1024)
32
33 #define TELNET_OPTION_MAX_SIZE (128)
34 #define TELNET_LINE_HISTORY_SIZE (128)
35 #define TELNET_LINE_MAX_SIZE (256)
36
37 enum telnet_states
38 {
39         TELNET_STATE_DATA,
40         TELNET_STATE_IAC,
41         TELNET_STATE_SB,
42         TELNET_STATE_SE,
43         TELNET_STATE_WILL,
44         TELNET_STATE_WONT,
45         TELNET_STATE_DO,
46         TELNET_STATE_DONT,
47         TELNET_STATE_ESCAPE,
48 };
49
50 typedef struct telnet_connection_s
51 {
52         char *prompt;
53         enum telnet_states state;
54         char line[TELNET_LINE_MAX_SIZE];
55         int line_size;
56         int line_cursor;
57         char option[TELNET_OPTION_MAX_SIZE];
58         int option_size;
59         char last_escape;
60         char *history[TELNET_LINE_HISTORY_SIZE];
61         int next_history;
62         int current_history;
63         int closed;
64 } telnet_connection_t;
65
66 typedef struct telnet_service_s
67 {
68         char *banner;
69 } telnet_service_t;
70
71 extern int telnet_init(char *banner);
72 extern int telnet_register_commands(command_context_t *command_context);
73
74 #endif /* TELNET_SERVER_H */