sdjournal/
config.rs

1use std::time::Duration;
2
3/// Runtime configuration for `Journal`.
4#[derive(Clone, Debug)]
5pub struct JournalConfig {
6    /// Maximum object size accepted from the journal file.
7    pub max_object_size_bytes: u64,
8
9    /// Maximum bytes allowed after decompressing a DATA payload.
10    pub max_decompressed_bytes: usize,
11
12    /// Maximum length of a field name.
13    pub max_field_name_len: usize,
14
15    /// Maximum number of fields accepted per entry.
16    pub max_fields_per_entry: usize,
17
18    /// Maximum number of journal files included from a single scan.
19    pub max_journal_files: usize,
20
21    /// Maximum number of steps when traversing any `next_*` chain.
22    pub max_object_chain_steps: usize,
23
24    /// Maximum number of query terms (matches) accepted per query.
25    pub max_query_terms: usize,
26
27    /// Whether to allow mmap for `STATE_ONLINE` (potentially still being written) journal files.
28    pub allow_mmap_online: bool,
29
30    /// Whether to include `*.journal~` temporary/incomplete files during discovery.
31    pub include_journal_tilde: bool,
32
33    /// Maximum follow retry backoff.
34    pub max_follow_backoff: Duration,
35
36    /// Polling interval used as fallback when inotify is unavailable/unreliable.
37    pub poll_interval: Duration,
38}
39
40impl Default for JournalConfig {
41    fn default() -> Self {
42        Self {
43            max_object_size_bytes: 16 * 1024 * 1024,
44            max_decompressed_bytes: 1024 * 1024,
45            max_field_name_len: 128,
46            max_fields_per_entry: 256,
47            max_journal_files: 1024,
48            max_object_chain_steps: 1_000_000,
49            max_query_terms: 64,
50            allow_mmap_online: false,
51            include_journal_tilde: false,
52            max_follow_backoff: Duration::from_millis(2000),
53            poll_interval: Duration::from_millis(2000),
54        }
55    }
56}
sdjournal/config.rs

sdjournal/
config.rs
