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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/* Copyright 2012, Sebastian Reichel <sre@ring0.de>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
public Device dev;
public Database db;
public AudioPlayer audio;
public CSVMemberFile csvimport;
public ScannerSession localsession;
public MainLoop loop;
public PGPKeyArchive pgp;
public KeyFile cfg;
const OptionEntry[] option_entries = {
{ "version", 'v', OptionFlags.IN_MAIN, OptionArg.NONE, ref opt_version, "output version information and exit", null },
{ "", 0, 0, OptionArg.FILENAME_ARRAY, ref files, "serial device", "DEVICE" },
{null}
};
/* parameters */
static string[] files;
static bool opt_version;
public static int main(string[] args) {
/* parse parameters from shell */
var context = new OptionContext("- KtT Shop System");
context.set_help_enabled(true);
context.add_main_entries(option_entries, "shop");
context.add_group(Gst.init_get_option_group());
try {
context.parse(ref args);
} catch(OptionError e) {
stderr.puts(e.message + "\n");
return 1;
}
if(opt_version) {
stdout.puts("Ktt Shop System 0.1\n");
return 0;
}
if(files == null || files[0] == null) {
stderr.puts("Please specify serial device!\n");
return 1;
}
/* handle unix signals */
Unix.signal_add(Posix.SIGTERM, handle_signals);
Unix.signal_add(Posix.SIGINT, handle_signals);
dev = new Device(files[0], 9600, 8, 1);
db = new Database("shop.db");
audio = new AudioPlayer();
loop = new MainLoop();
localsession = new ScannerSession();
try {
cfg = new KeyFile();
cfg.load_from_file("ktt-shopsystem.cfg", KeyFileFlags.NONE);
} catch(Error e) {
error("Could not load configuration file: %s", e.message);
}
pgp = new PGPKeyArchive(cfg);
dev.received_barcode.connect((data) => {
if(localsession.interpret(data))
dev.blink(10);
});
write_to_log("KtT Shop System has been started");
audio.play_system("startup.ogg");
/* attach webserver to mainloop */
new WebServer();
/* run mainloop */
loop.run();
write_to_log("Stopping Shop System");
audio.play_system("shutdown.ogg");
/* we need to run the mainloop to play audio */
audio.end_of_stream.connect(() => { loop.quit(); });
loop.run();
/* explicitly call destructors */
dev = null;
db = null;
audio = null;
return 0;
}
public void write_to_log(string format, ...) {
var arguments = va_list();
var message = format.vprintf(arguments);
stdout.printf(message + "\n");
}
bool handle_signals() {
loop.quit();
return false;
}
|