telnet_server: support C-p, C-n for moving through history
[openocd.git] / src / server / telnet_server.h
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
5 * Copyright (C) 2007,2008 √ėyvind 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
27 #ifndef TELNET_SERVER_H
28 #define TELNET_SERVER_H
29
30 #include <server/server.h>
31
32 #define TELNET_BUFFER_SIZE (1024)
33
34 #define TELNET_OPTION_MAX_SIZE (128)
35 #define TELNET_LINE_HISTORY_SIZE (128)
36 #define TELNET_LINE_MAX_SIZE (256)
37
38 enum telnet_states {
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 struct telnet_connection {
51 char *prompt;
52 enum telnet_states state;
53 char line[TELNET_LINE_MAX_SIZE];
54 int line_size;
55 int line_cursor;
56 char option[TELNET_OPTION_MAX_SIZE];
57 int option_size;
58 char last_escape;
59 char *history[TELNET_LINE_HISTORY_SIZE];
60 int next_history;
61 int current_history;
62 int closed;
63 };
64
65 struct telnet_service {
66 char *banner;
67 };
68
69 int telnet_init(char *banner);
70 int telnet_register_commands(struct command_context *command_context);
71
72 #endif /* TELNET_SERVER_H */