solana-local-cluster 4.3.2

Blockchain, Rebuilt for Scale
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
145
146
147
148

use {
    crate::local_cluster::LocalCluster,
    agave_snapshots::{
        paths as snapshot_paths,
        snapshot_archive_info::{
            FullSnapshotArchiveInfo, IncrementalSnapshotArchiveInfo, SnapshotArchiveInfoGetter,
        },
    },
    log::*,
    std::{
        path::Path,
        thread::sleep,
        time::{Duration, Instant},
    },
};

impl LocalCluster {
    /// Return the next produced full snapshot archive info
    pub fn wait_for_next_full_snapshot<T>(
        &self,
        full_snapshot_archives_dir: T,
        max_wait_duration: Option<Duration>,
    ) -> FullSnapshotArchiveInfo
    where
        T: AsRef<Path>,
    {
        match self.wait_for_next_snapshot(
            full_snapshot_archives_dir,
            None::<T>,
            NextSnapshotType::FullSnapshot,
            max_wait_duration,
        ) {
            NextSnapshotResult::FullSnapshot(full_snapshot_archive_info) => {
                full_snapshot_archive_info
            }
            _ => unreachable!(),
        }
    }

    /// Return the next produced incremental snapshot archive info (and associated full snapshot archive info)
    pub fn wait_for_next_incremental_snapshot(
        &self,
        full_snapshot_archives_dir: impl AsRef<Path>,
        incremental_snapshot_archives_dir: impl AsRef<Path>,
        max_wait_duration: Option<Duration>,
    ) -> (IncrementalSnapshotArchiveInfo, FullSnapshotArchiveInfo) {
        match self.wait_for_next_snapshot(
            full_snapshot_archives_dir,
            Some(incremental_snapshot_archives_dir),
            NextSnapshotType::IncrementalAndFullSnapshot,
            max_wait_duration,
        ) {
            NextSnapshotResult::IncrementalAndFullSnapshot(
                incremental_snapshot_archive_info,
                full_snapshot_archive_info,
            ) => (
                incremental_snapshot_archive_info,
                full_snapshot_archive_info,
            ),
            _ => unreachable!(),
        }
    }

    /// Return the next produced snapshot archive infos
    fn wait_for_next_snapshot(
        &self,
        full_snapshot_archives_dir: impl AsRef<Path>,
        incremental_snapshot_archives_dir: Option<impl AsRef<Path>>,
        next_snapshot_type: NextSnapshotType,
        max_wait_duration: Option<Duration>,
    ) -> NextSnapshotResult {
        let full_snapshot_slot =
            snapshot_paths::get_highest_full_snapshot_archive_slot(&full_snapshot_archives_dir);
        let last_slot = match next_snapshot_type {
            NextSnapshotType::FullSnapshot => full_snapshot_slot,
            NextSnapshotType::IncrementalAndFullSnapshot => {
                full_snapshot_slot.and_then(|full_snapshot_slot| {
                    snapshot_paths::get_highest_incremental_snapshot_archive_slot(
                        incremental_snapshot_archives_dir.as_ref().unwrap(),
                        full_snapshot_slot,
                    )
                })
            }
        }
        .unwrap_or(0);

        // Wait for a snapshot for a bank > last_slot to be made
        trace!(
            "Waiting for {next_snapshot_type:?} snapshot archive to be generated with slot > \
             {last_slot}, max wait duration: {max_wait_duration:?}",
        );
        let timer = Instant::now();
        let next_snapshot = loop {
            if let Some(full_snapshot_archive_info) =
                snapshot_paths::get_highest_full_snapshot_archive_info(&full_snapshot_archives_dir)
            {
                match next_snapshot_type {
                    NextSnapshotType::FullSnapshot => {
                        if full_snapshot_archive_info.slot() > last_slot {
                            break NextSnapshotResult::FullSnapshot(full_snapshot_archive_info);
                        }
                    }
                    NextSnapshotType::IncrementalAndFullSnapshot => {
                        if let Some(incremental_snapshot_archive_info) =
                            snapshot_paths::get_highest_incremental_snapshot_archive_info(
                                incremental_snapshot_archives_dir.as_ref().unwrap(),
                                full_snapshot_archive_info.slot(),
                            )
                            && incremental_snapshot_archive_info.slot() > last_slot
                        {
                            break NextSnapshotResult::IncrementalAndFullSnapshot(
                                incremental_snapshot_archive_info,
                                full_snapshot_archive_info,
                            );
                        }
                    }
                }
            }
            if let Some(max_wait_duration) = max_wait_duration {
                assert!(
                    timer.elapsed() < max_wait_duration,
                    "Waiting for next {next_snapshot_type:?} snapshot exceeded the \
                     {max_wait_duration:?} maximum wait duration!",
                );
            }
            sleep(Duration::from_secs(1));
        };
        trace!(
            "Waited {:?} for next snapshot archive: {:?}",
            timer.elapsed(),
            next_snapshot,
        );

        next_snapshot
    }
}

#[derive(Debug)]
pub enum NextSnapshotType {
    FullSnapshot,
    IncrementalAndFullSnapshot,
}

#[derive(Debug)]
pub enum NextSnapshotResult {
    FullSnapshot(FullSnapshotArchiveInfo),
    IncrementalAndFullSnapshot(IncrementalSnapshotArchiveInfo, FullSnapshotArchiveInfo),
}