/
multi.rs
130 lines (83 loc) · 2.92 KB
/
multi.rs
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
#[tokio::main]
async fn main() {
let(shutdown_sender, shutdown_recv) = channel();
// ------------------------------------
//
// -----> FilterByAge \
// / \
// Producer / -----> FilterByAge --> Consumer
// \ /
// \-----> FilterByAge /
//
// --------------------------------------
// Run Consumer
let log_chan = ConsumerRunnable::new(Box::new(Log)).run(100);
// Run ProducerConsumer
let filter_chan1 =
ProducerConsumerRunnable::new(Box::new(FilterByAge), vec![log_chan.clone()], None).unwrap().run(100);
// Run ProducerConsumer
let filter_chan2 =
ProducerConsumerRunnable::new(Box::new(FilterByAge), vec![log_chan.clone()], None).unwrap().run(100);
// Run ProducerConsumer
let filter_chan3 =
ProducerConsumerRunnable::new(Box::new(FilterByAge), vec![log_chan.clone()], None).unwrap().run(100);
// Run ProducerConsumer
let filter_chan4 =
ProducerConsumerRunnable::new(Box::new(FilterByAge), vec![log_chan], None).unwrap().run(100);
// Run Producer
let _ = ProducerRunnable::new(Box::new(Prod),
vec![filter_chan1, filter_chan2, filter_chan3, filter_chan4],
Some(DispatcherType::RoundRobin),
100,
shutdown_recv).unwrap().run();
tokio::time::sleep(Duration::from_secs(10)).await;
}
#[derive(Clone)]
struct ProdEvent {
pub funame: String,
pub age: i32
}
struct Prod;
#[async_trait]
impl Producer<ProdEvent> for Prod {
async fn init(&mut self) {}
async fn terminate(&mut self) {}
async fn handle_demand(&mut self, max_demand: usize) -> Vec<ProdEvent> {
(0..max_demand as i32)
.into_iter()
.map(|i| {
ProdEvent {
funame: format!("DanyalMh-{}", i),
age: (i + 30) % 35
}
})
.collect()
}
}
// -------------------------------------------
struct FilterByAge;
#[async_trait]
impl ProducerConsumer<ProdEvent, ProdEvent> for FilterByAge {
async fn init(&mut self) {}
async fn terminate(&mut self) {}
async fn handle_events(&mut self, events: Vec<ProdEvent>) -> Vec<ProdEvent> {
events
.into_iter()
.filter(|pe| pe.age > 25 && pe.age < 32)
.collect()
}
}
struct Log;
#[async_trait]
impl Consumer<ProdEvent> for Log {
async fn init(&mut self) {}
async fn terminate(&mut self) {}
async fn handle_events(&mut self, events: Vec<ProdEvent>) -> State<ProdEvent> {
events
.into_iter()
.for_each(|pe| {
println!("==> {} -> {}", pe.funame, pe.age)
});
State::Continue
}
}