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
|
#include "../config.h"
#ifdef HAVE_LIRC
#include <lirc/lirc_client.h>
#include <errno.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include "../mp_msg.h"
#include "../help_mp.h"
static struct lirc_config *lirc_config;
extern char *lirc_configfile;
static int child_pid=0;
static void
mp_input_lirc_process_quit(int sig);
static void
mp_input_lirc_process(int mp_fd);
int
mp_input_lirc_init(void) {
int lirc_sock;
int p[2];
mp_msg(MSGT_LIRC,MSGL_INFO,MSGTR_SettingUpLIRC);
if((lirc_sock=lirc_init("mplayer",1))==-1){
mp_msg(MSGT_LIRC,MSGL_ERR,MSGTR_LIRCopenfailed MSGTR_LIRCdisabled);
return -1;
}
if(lirc_readconfig( lirc_configfile,&lirc_config,NULL )!=0 ){
mp_msg(MSGT_LIRC,MSGL_ERR,MSGTR_LIRCcfgerr MSGTR_LIRCdisabled,
lirc_configfile == NULL ? "~/.lircrc" : lirc_configfile);
lirc_deinit();
return -1;
}
if(pipe(p) != 0) {
mp_msg(MSGT_LIRC,MSGL_ERR,"Can't create lirc pipe : %s\n",strerror(errno));
lirc_deinit();
}
child_pid = fork();
if(child_pid < 0) {
mp_msg(MSGT_LIRC,MSGL_ERR,"Can't fork lirc subprocess : %s\n",strerror(errno));
lirc_deinit();
close(p[0]);
close(p[1]);
return -1;
} else if(child_pid == 0) {// setup child process
close(p[0]);
// put some signal handlers
signal(SIGINT,mp_input_lirc_process_quit);
signal(SIGHUP,mp_input_lirc_process_quit);
signal(SIGQUIT,mp_input_lirc_process_quit);
// start the process
mp_input_lirc_process(p[1]);
}
// free unuseful ressources in parent process
lirc_freeconfig(lirc_config);
close(p[1]);
mp_msg(MSGT_LIRC,MSGL_V,"NEW LIRC init was successful.\n");
return p[0];
}
static void
mp_input_lirc_process_quit(int sig) {
lirc_freeconfig(lirc_config);
lirc_deinit();
exit(sig > 0 ? 0 : -1);
}
static void
mp_input_lirc_process(int mp_fd) {
char *cmd,*code;
int ret;
while(lirc_nextcode(&code)==0) {
if(code==NULL)
continue;
while((ret=lirc_code2char(lirc_config,code,&cmd))==0 && cmd!=NULL) {
int len = strlen(cmd)+1;
char buf[len];
int w=0;
strcpy(buf,cmd);
buf[len-1] = '\n';
while(w < len) {
int r = write(mp_fd,buf,len-w);
if(r < 0) {
if(errno == EINTR)
continue;
mp_msg(MSGT_LIRC,MSGL_V,"LIRC subprocess can't write in input pipe : %s\n",
strerror(errno));
mp_input_lirc_process_quit(-1);
}
w += r;
}
}
free(code);
if(ret==-1)
break;
}
mp_input_lirc_process_quit(-1);
}
void
mp_input_lirc_uninit(void) {
if(child_pid <= 0)
return;
if( kill(child_pid,SIGQUIT) != 0) {
mp_msg(MSGT_LIRC,MSGL_V,"LIRC can't kill subprocess %d : %s\n",
child_pid,strerror(errno));
return;
}
if(waitpid(child_pid,NULL,0) < 0)
mp_msg(MSGT_LIRC,MSGL_V,"LIRC error while waiting subprocess %d : %s\n",
child_pid,strerror(errno));
}
#endif
|
