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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <glib.h>
#include "config.h"
#include "libmpdclient.h"
#include "support.h"
#include "mpc.h"
#include "options.h"
#include "command.h"
#include "screen.h"
#include "conf.h"
/* time in seconds between mpd updates (double) */
#define MPD_UPDATE_TIME 0.5
/* timout in seconds before trying to reconnect (int) */
#define MPD_RECONNECT_TIMEOUT 3
static mpd_client_t *mpc = NULL;
static GTimer *timer = NULL;
void
exit_and_cleanup(void)
{
screen_exit();
printf("\n");
charset_close();
if( mpc )
{
if( mpc_error(mpc) )
fprintf(stderr,"Error: %s\n", mpc_error_str(mpc));
mpc_close(mpc);
}
g_free(options.host);
g_free(options.password);
if( timer )
g_timer_destroy(timer);
}
void
catch_sigint( int sig )
{
printf( "\nExiting...\n");
exit(EXIT_SUCCESS);
}
int
main(int argc, const char *argv[])
{
options_t *options;
struct sigaction act;
gboolean connected;
/* initialize options */
options = options_init();
/* read configuration */
read_configuration(options);
/* check key bindings */
if( check_key_bindings() )
{
fprintf(stderr, "Confusing key bindings - exiting!\n");
exit(EXIT_FAILURE);
}
/* parse command line options */
options_parse(argc, argv);
/* initialize local charset */
if( charset_init() )
exit(EXIT_FAILURE);
/* setup signal behavior - SIGINT */
sigemptyset( &act.sa_mask );
act.sa_flags = 0;
act.sa_handler = catch_sigint;
if( sigaction( SIGINT, &act, NULL )<0 )
{
perror("signal");
exit(EXIT_FAILURE);
}
/* setup signal behavior - SIGWINCH */
sigemptyset( &act.sa_mask );
act.sa_flags = 0;
act.sa_handler = screen_resized;
if( sigaction( SIGWINCH, &act, NULL )<0 )
{
perror("sigaction()");
exit(EXIT_FAILURE);
}
/* setup signal behavior - SIGTERM */
sigemptyset( &act.sa_mask );
act.sa_flags = 0;
act.sa_handler = catch_sigint;
if( sigaction( SIGTERM, &act, NULL )<0 )
{
perror("sigaction()");
exit(EXIT_FAILURE);
}
/* set xterm title */
if( g_getenv("DISPLAY") )
printf("%c]0;%s%c", '\033', PACKAGE " version " VERSION, '\007');
/* install exit function */
atexit(exit_and_cleanup);
/* connect to our music player daemon */
mpc = mpc_connect(options->host, options->port, options->password);
if( mpc_error(mpc) )
exit(EXIT_FAILURE);
/* initialize curses */
screen_init();
/* initialize timer */
timer = g_timer_new();
connected = TRUE;
while( connected || options->reconnect )
{
static gdouble t = G_MAXDOUBLE;
if( connected && t>=MPD_UPDATE_TIME )
{
mpc_update(mpc);
if( mpc_error(mpc) == MPD_ERROR_ACK )
{
screen_status_printf("%s", mpc_error_str(mpc));
mpd_clearError(mpc->connection);
mpd_finishCommand(mpc->connection);
}
else if( mpc_error(mpc) )
{
screen_status_printf("Lost connection to %s", options->host);
connected = FALSE;
doupdate();
mpd_clearError(mpc->connection);
mpd_closeConnection(mpc->connection);
mpc->connection = NULL;
}
else
mpd_finishCommand(mpc->connection);
g_timer_start(timer);
}
if( connected )
{
command_t cmd;
screen_update(mpc);
if( (cmd=get_keyboard_command()) != CMD_NONE )
{
screen_cmd(mpc, cmd);
if( cmd==CMD_VOLUME_UP || cmd==CMD_VOLUME_DOWN)
/* make shure we dont update the volume yet */
g_timer_start(timer);
}
}
else if( options->reconnect )
{
sleep(MPD_RECONNECT_TIMEOUT);
screen_status_printf("Connecting to %s... [Press Ctrl-C to abort]",
options->host);
if( mpc_reconnect(mpc,
options->host,
options->port,
options->password) == 0 )
{
screen_status_printf("Connected to %s!", options->host);
connected = TRUE;
}
doupdate();
}
t = g_timer_elapsed(timer, NULL);
}
exit(EXIT_FAILURE);
}
|