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
|
#include <node.h>
#include <node_timer.h>
#include <assert.h>
using namespace v8;
using namespace node;
#define REPEAT_SYMBOL String::NewSymbol("repeat")
Persistent<FunctionTemplate> Timer::constructor_template;
void
Timer::Initialize (Handle<Object> target)
{
HandleScope scope;
Local<FunctionTemplate> t = FunctionTemplate::New(Timer::New);
constructor_template = Persistent<FunctionTemplate>::New(t);
constructor_template->Inherit(EventEmitter::constructor_template);
constructor_template->InstanceTemplate()->SetInternalFieldCount(1);
constructor_template->SetClassName(String::NewSymbol("Timer"));
NODE_SET_PROTOTYPE_METHOD(constructor_template, "start", Timer::Start);
NODE_SET_PROTOTYPE_METHOD(constructor_template, "stop", Timer::Stop);
constructor_template->PrototypeTemplate()->SetAccessor(REPEAT_SYMBOL,
RepeatGetter, RepeatSetter);
target->Set(String::NewSymbol("Timer"), constructor_template->GetFunction());
}
Handle<Value>
Timer::RepeatGetter (Local<String> property, const AccessorInfo& info)
{
HandleScope scope;
Timer *timer = ObjectWrap::Unwrap<Timer>(info.This());
assert(timer);
assert (property == REPEAT_SYMBOL);
Local<Integer> v = Integer::New(timer->watcher_.repeat);
return scope.Close(v);
}
void
Timer::RepeatSetter (Local<String> property, Local<Value> value, const AccessorInfo& info)
{
HandleScope scope;
Timer *timer = ObjectWrap::Unwrap<Timer>(info.This());
assert(timer);
assert(property == REPEAT_SYMBOL);
timer->watcher_.repeat = NODE_V8_UNIXTIME(value);
}
void
Timer::OnTimeout (EV_P_ ev_timer *watcher, int revents)
{
Timer *timer = static_cast<Timer*>(watcher->data);
assert(revents == EV_TIMEOUT);
timer->Emit("timeout", 0, NULL);
if (timer->watcher_.repeat == 0) timer->Detach();
}
Timer::~Timer ()
{
ev_timer_stop (EV_DEFAULT_UC_ &watcher_);
}
Handle<Value>
Timer::New (const Arguments& args)
{
HandleScope scope;
Timer *t = new Timer();
t->Wrap(args.Holder());
return args.This();
}
Handle<Value>
Timer::Start (const Arguments& args)
{
Timer *timer = ObjectWrap::Unwrap<Timer>(args.Holder());
HandleScope scope;
if (args.Length() != 2)
return ThrowException(String::New("Bad arguments"));
ev_tstamp after = NODE_V8_UNIXTIME(args[0]);
ev_tstamp repeat = NODE_V8_UNIXTIME(args[1]);
ev_timer_init(&timer->watcher_, Timer::OnTimeout, after, repeat);
timer->watcher_.data = timer;
ev_timer_start(EV_DEFAULT_UC_ &timer->watcher_);
timer->Attach();
return Undefined();
}
Handle<Value>
Timer::Stop (const Arguments& args)
{
Timer *timer = ObjectWrap::Unwrap<Timer>(args.Holder());
if (ev_is_active(&timer->watcher_)) {
ev_timer_stop(EV_DEFAULT_UC_ &timer->watcher_);
timer->Detach();
}
return Undefined();
}
|
