ragit_fs/
log.rs

1use crate::{
2    exists,
3    write_string,
4    FileError,
5    WriteMode,
6};
7use chrono::offset::Local;
8
9static mut LOG_FILE_PATH: Option<[u8; 1024]> = None;
10static mut LOG_FILE_PATH_LEN: usize = 0;
11
12pub fn set_log_file_path(path: Option<String>) {
13    unsafe {
14        if let Some(path) = path {
15            let mut bytes = [0; 1024];
16
17            for (i, c) in path.as_bytes().iter().enumerate() {
18                bytes[i] = *c;
19            }
20
21            LOG_FILE_PATH_LEN = path.len();
22            LOG_FILE_PATH = Some(bytes);
23        }
24
25        else {
26            LOG_FILE_PATH = None;
27        }
28    }
29}
30
31fn get_log_file_path() -> Option<String> {
32    unsafe {
33        LOG_FILE_PATH.map(|bytes| String::from_utf8_lossy(&bytes[..LOG_FILE_PATH_LEN]).to_string())
34    }
35}
36
37pub fn initialize_log_file(path: &str, remove_existing_file: bool) -> Result<(), FileError> {
38    if remove_existing_file {
39        if exists(path) {
40            // TODO: append to the old file, instead of overwriting it
41            if let Err(e) = std::fs::copy(
42                path,
43                &format!("{path}-backup"),
44            ) {
45                return Err(FileError::from_std(e, path));  // TODO: which path?
46            }
47        }
48
49        write_string(path, "", WriteMode::Atomic)?;
50    }
51
52    Ok(())
53}
54
55pub fn write_log(owner: &str, msg: &str) {
56    if let Some(path) = get_log_file_path() {
57        write_string(
58            &path,
59            &format!(
60                "{} | {} | {msg}\n",
61                Local::now().to_rfc2822(),
62                if owner.len() < 32 {
63                    format!("{}{owner}", " ".repeat(32 - owner.len()))
64                } else {
65                    owner.to_string()
66                },
67            ),
68            WriteMode::AlwaysAppend,
69        ).unwrap();
70    }
71}
ragit_fs/log.rs

ragit_fs/
log.rs
