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use std::{
fs,
io::{self, prelude::*},
os::unix::io::RawFd,
path::PathBuf,
};
use crate::utils::consts::{MOSAIC_TMP_LOG_DIR, MOSAIC_TMP_LOG_FILE};
pub fn atomic_create_file(file_name: &str) {
let _ = fs::OpenOptions::new().create(true).open(file_name);
}
pub fn atomic_create_dir(dir_name: &str) -> io::Result<()> {
if let Err(e) = fs::create_dir(dir_name) {
if e.kind() == std::io::ErrorKind::AlreadyExists {
Ok(())
} else {
Err(e)
}
} else {
Ok(())
}
}
pub fn debug_log_to_file(mut message: String) -> io::Result<()> {
message.push('\n');
debug_log_to_file_without_newline(message)
}
pub fn debug_log_to_file_without_newline(message: String) -> io::Result<()> {
atomic_create_file(MOSAIC_TMP_LOG_FILE);
let mut file = fs::OpenOptions::new()
.append(true)
.create(true)
.open(MOSAIC_TMP_LOG_FILE)?;
file.write_all(message.as_bytes())
}
pub fn debug_log_to_file_pid_3(message: String, pid: RawFd) -> io::Result<()> {
if pid == 3 {
debug_log_to_file(message)
} else {
Ok(())
}
}
#[allow(dead_code)]
pub fn delete_log_file() -> io::Result<()> {
if fs::metadata(MOSAIC_TMP_LOG_FILE).is_ok() {
fs::remove_file(MOSAIC_TMP_LOG_FILE)
} else {
Ok(())
}
}
#[allow(dead_code)]
pub fn delete_log_dir() -> io::Result<()> {
if fs::metadata(MOSAIC_TMP_LOG_DIR).is_ok() {
fs::remove_dir_all(MOSAIC_TMP_LOG_DIR)
} else {
Ok(())
}
}
pub fn debug_to_file(message: u8, pid: RawFd) -> io::Result<()> {
let mut path = PathBuf::new();
path.push(MOSAIC_TMP_LOG_DIR);
path.push(format!("mosaic-{}.log", pid.to_string()));
let mut file = fs::OpenOptions::new()
.append(true)
.create(true)
.open(path)?;
file.write_all(&[message])
}
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