Pierre HUBERT
67401e8faf
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59 lines
1.4 KiB
Rust
59 lines
1.4 KiB
Rust
use crate::app_config::AppConfig;
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use crate::devices::device::DeviceId;
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use crate::logs::log_entry::LogEntry;
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use crate::logs::severity::LogSeverity;
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use crate::utils::time_utils::{curr_day_number, time_secs};
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use fs4::fs_std::FileExt;
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use std::fs::OpenOptions;
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use std::io::{Seek, SeekFrom, Write};
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pub fn save_log(
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device: Option<&DeviceId>,
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severity: LogSeverity,
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message: String,
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) -> anyhow::Result<()> {
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let log_path = AppConfig::get().log_of_day(curr_day_number());
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let mut file = OpenOptions::new()
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.append(true)
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.create(true)
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.open(&log_path)?;
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file.lock_exclusive()?;
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file.seek(SeekFrom::End(0))?;
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file.write_all(
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format!(
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"{}\n",
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(LogEntry {
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device_id: device.cloned(),
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time: time_secs(),
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severity,
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message,
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})
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.serialize()?
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)
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.as_bytes(),
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)?;
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file.flush()?;
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fs4::fs_std::FileExt::unlock(&file)?;
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Ok(())
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}
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/// Make a logs extraction
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pub fn get_logs(day: u64) -> anyhow::Result<Vec<LogEntry>> {
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let file = AppConfig::get().log_of_day(day);
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if !file.exists() {
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return Ok(Vec::new());
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}
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let content = std::fs::read_to_string(file)?
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.split('\n')
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.filter(|l| !l.is_empty())
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.map(serde_json::from_str)
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.collect::<Result<Vec<_>, _>>()?;
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Ok(content)
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}
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