ratchjob 0.2.1

一个rust实现的分布式任务调度平台服务。计划完全兼容xxl-job协议，然后再增强一些任务调度平台能力。
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

use std::{fmt::Debug, sync::Arc};

use super::model::{RouteAddr, RouterRequest, RouterResponse};
use crate::raft::cluster::router_request;
use crate::raft::network::factory::RaftClusterRequestSender;
use crate::raft::store::core::Store;
use crate::raft::store::{ClientRequest, ClientResponse};
use crate::raft::RatchRaft;
use async_raft_ext::raft::ClientWriteRequest;

#[derive(Clone)]
pub struct RaftAddrRouter {
    raft_store: Arc<Store>,
    raft: Arc<RatchRaft>,
    local_node_id: u64,
}

impl Debug for RaftAddrRouter {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("AddrRouter").finish()
    }
}

impl RaftAddrRouter {
    pub fn new(raft: Arc<RatchRaft>, raft_store: Arc<Store>, local_node_id: u64) -> Self {
        Self {
            raft,
            raft_store,
            local_node_id,
        }
    }

    pub async fn get_route_addr(&self) -> anyhow::Result<RouteAddr> {
        //let state = self.raft_store.get_initial_state().await?;
        let leader = self.raft.current_leader().await;
        match leader {
            Some(node_id) => {
                if node_id == self.local_node_id {
                    Ok(RouteAddr::Local)
                } else {
                    let addr = self.raft_store.get_target_addr(node_id).await?;
                    Ok(RouteAddr::Remote(node_id, addr))
                }
            }
            None => Ok(RouteAddr::Unknown),
        }
    }

    pub async fn get_target_route_addr(&self, target_node: u64) -> anyhow::Result<Arc<String>> {
        self.raft_store.get_target_addr(target_node).await
    }
}

///
/// raft 请求路由
/// 考虑都使用这个对象统一处理；
#[derive(Clone)]
pub struct RaftRequestRoute {
    raft_addr_route: Arc<RaftAddrRouter>,
    cluster_sender: Arc<RaftClusterRequestSender>,
    raft: Arc<RatchRaft>,
}

impl RaftRequestRoute {
    pub fn new(
        raft_addr_route: Arc<RaftAddrRouter>,
        cluster_sender: Arc<RaftClusterRequestSender>,
        raft: Arc<RatchRaft>,
    ) -> Self {
        Self {
            raft_addr_route,
            cluster_sender,
            raft,
        }
    }

    fn unknown_err(&self) -> anyhow::Error {
        anyhow::anyhow!("unknown the raft leader addr!")
    }

    pub async fn get_route_addr(&self) -> anyhow::Result<RouteAddr> {
        self.raft_addr_route.get_route_addr().await
    }

    pub async fn request(&self, req: ClientRequest) -> anyhow::Result<ClientResponse> {
        match self.raft_addr_route.get_route_addr().await? {
            RouteAddr::Local => {
                let resp = self.raft.client_write(ClientWriteRequest::new(req)).await?;
                Ok(resp.data)
            }
            RouteAddr::Remote(_, addr) => {
                let req: RouterRequest = req.into();
                let router_resp = router_request(req, addr, &self.cluster_sender).await?;
                let resp: ClientResponse = router_resp.try_into()?;
                Ok(resp)
            }
            RouteAddr::Unknown => Err(self.unknown_err()),
        }
    }

    pub async fn request_to_target(
        &self,
        req: RouterRequest,
        target: u64,
    ) -> anyhow::Result<RouterResponse> {
        let addr = self.raft_addr_route.get_target_route_addr(target).await?;
        router_request(req, addr, &self.cluster_sender).await
    }
}