1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
Mosh: the mobile shell
Copyright 2012 Keith Winstein
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef STM_CLIENT_HPP
#define STM_CLIENT_HPP
#include <sys/ioctl.h>
#include <termios.h>
#include <string>
#include "completeterminal.h"
#include "networktransport.h"
#include "user.h"
#include "terminaloverlay.h"
class STMClient {
private:
std::string ip;
int port;
std::string key;
struct termios saved_termios, raw_termios;
int signal_fd;
struct winsize window_size;
Terminal::Framebuffer *local_framebuffer;
Overlay::OverlayManager overlays;
Network::Transport< Network::UserStream, Terminal::Complete > *network;
Terminal::Display display;
bool repaint_requested, quit_sequence_started;
void main_init( void );
bool process_network_input( void );
bool process_user_input( int fd );
bool process_resize( void );
void output_new_frame( void );
public:
STMClient( const char *s_ip, int s_port, const char *s_key, const char *predict_mode )
: ip( s_ip ), port( s_port ), key( s_key ),
saved_termios(), raw_termios(),
signal_fd(),
window_size(),
local_framebuffer( NULL ),
overlays(),
network( NULL ),
display( true ), /* use TERM environment var to initialize display */
repaint_requested( false ),
quit_sequence_started( false )
{
if ( predict_mode ) {
if ( !strcmp( predict_mode, "always" ) ) {
overlays.get_prediction_engine().set_display_preference( Overlay::PredictionEngine::Always );
} else if ( !strcmp( predict_mode, "never" ) ) {
overlays.get_prediction_engine().set_display_preference( Overlay::PredictionEngine::Never );
} else if ( !strcmp( predict_mode, "adaptive" ) ) {
overlays.get_prediction_engine().set_display_preference( Overlay::PredictionEngine::Adaptive );
} else {
fprintf( stderr, "Unknown prediction mode %s.\n", predict_mode );
exit( 1 );
}
}
}
void init( void );
void shutdown( void );
void main( void );
~STMClient()
{
if ( local_framebuffer != NULL ) {
delete local_framebuffer;
}
if ( network != NULL ) {
delete network;
}
}
/* unused */
STMClient( const STMClient & );
STMClient & operator=( const STMClient & );
};
#endif
|