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#![allow(clippy::module_name_repetitions)]
use {
crate::CONFIG,
chrono::Utc,
std::{
fmt::Display,
fs::OpenOptions,
io::{self, BufWriter, Write},
},
};
/// Logging access to the server
pub trait Log {
type Error;
/// Writes server access to either the configured access log or stdout
/// # Errors
/// Returns an error (usually an `io::Error`) if unable to write to the
/// log file
fn log(&self) -> Result<(), Self::Error>;
}
/// Logging server errors
pub trait LogError {
type Error;
/// Writes errors to either the configured error log or stderr
/// # Errors
/// Returns an error (usually an `io::Error`) if unable to write to the
/// log file
fn log_err(&self) -> Result<(), Self::Error>;
}
impl Log for std::string::String {
type Error = io::Error;
fn log(&self) -> Result<(), Self::Error> {
let dt = Utc::now().to_rfc3339();
let msg = format!("{dt} {self};\n");
match CONFIG.access_log.as_ref() {
Some(log) => match OpenOptions::new().append(true).open(log) {
Ok(fd) => {
let mut writer = BufWriter::new(fd);
writer.write_all(msg.as_bytes())?;
}
Err(e) => {
eprintln!("{e}");
print!("{msg}");
}
},
None => print!("{msg}"),
}
Ok(())
}
}
impl Log for crate::Response {
type Error = io::Error;
fn log(&self) -> Result<(), Self::Error> {
let dt = Utc::now().to_rfc3339();
match self {
Self::Success {
mimetype: _,
body: _,
}
| Self::Redirect(_) => {
let msg = format!("{dt} {self};\n");
match CONFIG.access_log.as_ref() {
Some(log) => match OpenOptions::new().append(true).open(log) {
Ok(fd) => {
let mut writer = BufWriter::new(fd);
writer.write_all(msg.as_bytes())?;
}
Err(e) => {
eprintln!("{e}");
print!("{msg}");
}
},
None => print!("{msg}"),
}
}
Self::ClientError(_) | Self::ServerError(_) => {
let msg = format!("{dt} {self};\n");
match CONFIG.error_log.as_ref() {
Some(log) => match OpenOptions::new().append(true).open(log) {
Ok(fd) => {
let mut writer = BufWriter::new(fd);
writer.write_all(msg.as_bytes())?;
}
Err(e) => {
eprintln!("{e}");
eprint!("{msg}");
}
},
None => print!("{msg}"),
}
}
}
Ok(())
}
}
impl<T> LogError for T
where
T: Display,
{
type Error = io::Error;
fn log_err(&self) -> Result<(), Self::Error> {
let dt = Utc::now().to_rfc3339();
let msg = format!("{dt} {self}\n");
match CONFIG.error_log.as_ref() {
Some(log) => match OpenOptions::new().append(true).open(log) {
Ok(fd) => {
let mut writer = BufWriter::new(fd);
writer.write_all(msg.as_bytes())?;
}
Err(e) => {
eprintln!("{e}");
eprint!("{msg}");
}
},
None => eprint!("{msg}"),
}
Ok(())
}
}