event_dispatcher.c
3.03 KB
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
/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* 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/>.
*/
#include <stdint.h>
#include <signal.h>
#include <stdio.h>
#include <time.h>
#include "trbase.h"
#include "trdata.h"
#include "tr/event_handler.h"
#include "tr/event_dispatcher.h"
volatile TR_EventDispatcher _TR_controlDispatcher;
static
void
terminate(int signum)
{
signal(signum, SIG_IGN);
/*
* \todo do logging here
*/
puts("signal ... go");
TR_eventDispatcherShutdown(_TR_controlDispatcher);
}
static
void
init_signals(void)
{
signal(SIGTERM, terminate);
signal(SIGHUP, SIG_IGN);
signal(SIGINT, terminate);
signal(SIGQUIT, terminate);
signal(SIGABRT, terminate);
signal(SIGALRM, SIG_IGN);
signal(SIGURG, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
}
static
int
eventDispatcherCtor(void * _this, va_list * params) {
TR_EventDispatcher this = _this;
this->events = TR_new(TR_Queue);
this->handler = TR_new(TR_Hash);
this->mode = va_arg(*params, TR_EventDispatcherMode);
this->default_handler = va_arg(*params, TR_EventHandler);
this->running = 0;
this->heartbeat = 0;
this->nextbeat = 0;
if (! _TR_controlDispatcher) {
_TR_controlDispatcher = this;
init_signals();
}
return 0;
}
static
void
releaseHandlerQueues(const void * node, const void * data)
{
TR_delete(*(void**)((TR_HashValue)node)->value);
}
static
void
eventDispatcherDtor(void * _this) {
TR_EventDispatcher this = _this;
TR_hashEach(this->handler, NULL, releaseHandlerQueues);
TR_hashCleanup(this->handler);
TR_delete(this->handler);
TR_delete(this->events);
}
static
void
eventDispatcherCvInit(TR_class_ptr cls)
{
TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_HEARTBEAT);
TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_USER_WAIT);
TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_DATA_WAIT);
TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_SHUTDOWN);
}
const char * TR_eventDispatcherStrings[] = {
"TR_DISPATCHER_EVENT_HEARTBEAT",
"TR_DISPATCHER_EVENT_USER_WAIT",
"TR_DISPATCHER_EVENT_DATA_WAIT",
"TR_DISPATCHER_EVENT_SHUTDOWN"
};
intptr_t dispatcher_events[TR_DISPATCHER_EVENT_MAX + 1];
TR_INIT_IFACE(TR_Class, eventDispatcherCtor, eventDispatcherDtor, NULL);
TR_CREATE_CLASS(
TR_EventDispatcher,
TR_EventSubject,
eventDispatcherCvInit,
TR_IF(TR_Class)) = {
{
TR_eventDispatcherStrings,
TR_DISPATCHER_EVENT_MAX + 1,
dispatcher_events
}
};
// vim: set ts=4 sw=4: