signer-daemon 0.2.3

Signer daemon package.
Documentation 
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

use std::sync::Arc;

use crate::{model::crdt::crdt::CrdtDeltaBox, swallow_error::SwallowError};

use super::SignerDaemon;

#[derive(Debug, Clone)]
#[allow(dead_code)]
pub(crate) enum SignerDaemonEvent {
  InsertDelta(CrdtDeltaBox),
  SyncEvent(String),
  SyncEventAll,
  SyncUser,
  ApplyEvent,
  UpdateConnections,
  ForceReapplyAllEvent,
}

impl SignerDaemon {
  pub(crate) fn emit(&self, event: SignerDaemonEvent) -> anyhow::Result<()> {
    self.event_sender.send(event)?;
    Ok(())
  }

  pub async fn wait_apply(&self) -> anyhow::Result<()> {
    let mut rx = self.event_receiver.subscribe();
    loop {
      let ev = tokio::select! {
        ev = rx.recv() => ev,
        _ = tokio::time::sleep(std::time::Duration::from_secs(3)) => {
          tracing::warn!("wait apply over 3 seconds, break");
          break;
        }
      };

      match ev {
        Ok(ev) => match ev {
          SignerDaemonEvent::ApplyEvent => break,
          _ => continue,
        },
        Err(_) => break,
      }
    }

    Ok(())
  }

  pub(crate) fn start_watch_event(&self) {
    let daemon = Arc::new(self.clone());
    let mut rx = self.event_sender.subscribe();

    tokio::spawn(async move {
      loop {
        let ev = match rx.recv().await {
          Ok(ev) => ev,
          Err(_) => break,
        };

        match &ev {
          SignerDaemonEvent::InsertDelta(delta) => {
            delta
              .insert(&daemon)
              .await
              .swallow_error("insert delta failed");
            daemon
              .emit(SignerDaemonEvent::ApplyEvent)
              .expect("emit apply event failed");
            daemon
              .emit(SignerDaemonEvent::SyncEventAll)
              .expect("emit sync event all failed");
          }
          SignerDaemonEvent::SyncEvent(addr) => {
            daemon
              .crdt_pull(&addr)
              .await
              .swallow_error("crdt pull failed");
            daemon
              .crdt_push(&addr)
              .await
              .swallow_error("crdt push failed");
            daemon
              .emit(SignerDaemonEvent::ApplyEvent)
              .expect("emit apply event failed");
          }
          SignerDaemonEvent::SyncEventAll => {
            let conns = {
              daemon
                .connections
                .lock()
                .await
                .values()
                .map(|i| i.clone())
                .collect::<Vec<_>>()
            };
            for conn in conns {
              conn
                .sync_crdt_event()
                .await
                .swallow_error("sync event all failed");
            }
          }
          SignerDaemonEvent::SyncUser => {
            daemon
              .crdt_sync_user_public()
              .await
              .swallow_error("crdt sync user public failed");
          }
          SignerDaemonEvent::ApplyEvent => {
            daemon
              .crdt_apply_all()
              .await
              .swallow_error("crdt apply all failed");
            daemon
              .emit(SignerDaemonEvent::SyncUser)
              .expect("emit sync user failed");
          }
          SignerDaemonEvent::UpdateConnections => {
            daemon
              .update_connections()
              .await
              .swallow_error("update connections failed");
          }
          SignerDaemonEvent::ForceReapplyAllEvent => {
            daemon
              .crdt_apply_all()
              .await
              .swallow_error("crdt apply all failed");
          }
        };

        let _ = daemon.event_receiver.send(ev);
      }
    });
  }
}