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Redesign LogLevel to conform to syslog severity levels

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This commit is contained in:
Wojciech Nagrodzki 2018-08-21 22:11:09 +02:00
parent e6f5138523
commit 41462ded26
Signed by: wnagrodzki
GPG key ID: E9D0EB0302264569
1 changed files with 30 additions and 17 deletions
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47
Logger/Logger.swift
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@ -58,33 +58,46 @@ public protocol Logger {
} }
/// Log level controls the conditions under which a message should be logged. /// Log level controls the conditions under which a message should be logged.
/// - note: [RFC5424](https://www.rfc-editor.org/info/rfc5424)
public enum LogLevel: Int { public enum LogLevel: Int {
/// Use this level to capture information about things that might result a failure. /// System is unusable.
case `default` case emergency = 0
/// Use this level to capture information that may be helpful, but isn’t essential, for troubleshooting errors. /// Action must be taken immediately.
case info case alert = 1
/// Use this level to capture information that may be useful during development or while troubleshooting a specific problem. /// Critical conditions.
case debug case critical = 2
/// Use this log level to capture process-level information to report errors in the process. /// Error conditions.
case error case error = 3
/// Use this level to capture system-level or multi-process information to report system errors. /// Warning conditions.
case fault case warning = 4
/// Normal but significant conditions.
case notice = 5
/// Informational messages.
case informational = 6
/// Debug-level messages.
case debug = 7
} }
extension LogLevel: LogStringConvertible { extension LogLevel: LogStringConvertible {
public var logDescription: String { public var logDescription: String {
switch self { switch self {
case .default: return "Default" case .emergency: return "emerg"
case .info: return "Info" case .alert: return "alert"
case .debug: return "Debug" case .critical: return "crit"
case .error: return "Error" case .error: return "err"
case .fault: return "Fault" case .warning: return "warning"
case .notice: return "notice"
case .informational: return "info"
case .debug: return "debug"
} }
} }
} }
@ -95,11 +108,11 @@ extension Logger {
/// ///
/// - Parameters: /// - Parameters:
/// - object: The object to be logged. /// - object: The object to be logged.
/// - level: The log level. If unspecified, the `default` log level is used. /// - level: The log level.
/// - file: **Do not provide a custom value.** The path to the file log method is called from. /// - file: **Do not provide a custom value.** The path to the file log method is called from.
/// - line: **Do not provide a custom value.** The line number log method is called at. /// - line: **Do not provide a custom value.** The line number log method is called at.
/// - function: **Do not provide a custom value.** The name of the declaration log method is called within. /// - function: **Do not provide a custom value.** The name of the declaration log method is called within.
public func log(_ object: Any, level: LogLevel = .default, file: String = #file, line: Int = #line, function: String = #function) { public func log(_ object: Any, level: LogLevel, file: String = #file, line: Int = #line, function: String = #function) {
let now = Date() let now = Date()
let location = description(for: file, line: line, function: function) let location = description(for: file, line: line, function: function)
let objectDescription = description(for: object) let objectDescription = description(for: object)