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
136
137
138
139
140
141
142
143
144

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
use std::collections::HashMap;

use anyhow::Error;
use serde::{Deserialize, Serialize};

use crate::protocol::command_custom_header::{CommandCustomHeader, FromMap};

#[derive(Debug, Serialize, Deserialize)]
pub struct BrokerHeartbeatRequestHeader {
    #[serde(rename = "clusterName")]
    pub cluster_name: String,
    #[serde(rename = "brokerAddr")]
    pub broker_addr: String,
    #[serde(rename = "brokerName")]
    pub broker_name: String,
    #[serde(rename = "brokerId")]
    pub broker_id: Option<i64>,
    pub epoch: Option<i32>,
    #[serde(rename = "maxOffset")]
    pub max_offset: Option<i64>,
    #[serde(rename = "confirmOffset")]
    pub confirm_offset: Option<i64>,
    #[serde(rename = "heartbeatTimeoutMills")]
    pub heartbeat_timeout_mills: Option<i64>,
    #[serde(rename = "electionPriority")]
    pub election_priority: Option<i32>,
}

impl Default for BrokerHeartbeatRequestHeader {
    fn default() -> Self {
        BrokerHeartbeatRequestHeader {
            cluster_name: "".to_string(),
            broker_addr: "".to_string(),
            broker_name: "".to_string(),
            broker_id: None,
            epoch: None,
            max_offset: None,
            confirm_offset: None,
            heartbeat_timeout_mills: None,
            election_priority: None,
        }
    }
}

impl BrokerHeartbeatRequestHeader {
    const CLUSTER_NAME: &'static str = "clusterName";
    const BROKER_ADDR: &'static str = "brokerAddr";
    const BROKER_NAME: &'static str = "brokerName";
    const BROKER_ID: &'static str = "brokerId";
    const EPOCH: &'static str = "epoch";
    const MAX_OFFSET: &'static str = "maxOffset";
    const CONFIRM_OFFSET: &'static str = "confirmOffset";
    const HEARTBEAT_TIMEOUT_MILLIS: &'static str = "heartbeatTimeoutMills";
    const ELECTION_PRIORITY: &'static str = "electionPriority";

    pub fn new(
        cluster_name: String,
        broker_addr: String,
        broker_name: String,
        broker_id: Option<i64>,
        epoch: Option<i32>,
        max_offset: Option<i64>,
        confirm_offset: Option<i64>,
        heartbeat_timeout_mills: Option<i64>,
        election_priority: Option<i32>,
    ) -> Self {
        Self {
            cluster_name,
            broker_addr,
            broker_name,
            broker_id,
            epoch,
            max_offset,
            confirm_offset,
            heartbeat_timeout_mills,
            election_priority,
        }
    }
}

impl FromMap for BrokerHeartbeatRequestHeader {
    type Target = BrokerHeartbeatRequestHeader;

    fn from(map: &HashMap<String, String>) -> Option<Self::Target> {
        Some(BrokerHeartbeatRequestHeader {
            cluster_name: map
                .get(BrokerHeartbeatRequestHeader::CLUSTER_NAME)
                .map(|s| s.to_string())
                .unwrap_or_default(),
            broker_addr: map
                .get(BrokerHeartbeatRequestHeader::BROKER_ADDR)
                .map(|s| s.to_string())
                .unwrap_or_default(),
            broker_name: map
                .get(BrokerHeartbeatRequestHeader::BROKER_NAME)
                .map(|s| s.to_string())
                .unwrap_or_default(),
            broker_id: map
                .get(BrokerHeartbeatRequestHeader::BROKER_ID)
                .and_then(|s| s.parse::<i64>().ok()),
            epoch: map
                .get(BrokerHeartbeatRequestHeader::EPOCH)
                .and_then(|s| s.parse::<i32>().ok()),
            max_offset: map
                .get(BrokerHeartbeatRequestHeader::MAX_OFFSET)
                .and_then(|s| s.parse::<i64>().ok()),
            confirm_offset: map
                .get(BrokerHeartbeatRequestHeader::CONFIRM_OFFSET)
                .and_then(|s| s.parse::<i64>().ok()),
            heartbeat_timeout_mills: map
                .get(BrokerHeartbeatRequestHeader::HEARTBEAT_TIMEOUT_MILLIS)
                .and_then(|s| s.parse::<i64>().ok()),
            election_priority: map
                .get(BrokerHeartbeatRequestHeader::ELECTION_PRIORITY)
                .and_then(|s| s.parse::<i32>().ok()),
        })
    }
}

impl CommandCustomHeader for BrokerHeartbeatRequestHeader {
    fn check_fields(&self) -> anyhow::Result<(), Error> {
        todo!()
    }

    fn to_map(&self) -> Option<HashMap<String, String>> {
        todo!()
    }
}