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util: add structured logger

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This commit is contained in:
William Casarin 2023-08-02 17:07:55 -07:00
parent cdc4a7b7a4
commit b556257edd
2 changed files with 51 additions and 0 deletions
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4
damus.xcodeproj/project.pbxproj
View File

@ -94,6 +94,7 @@
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4C285C8E28399BFE008A31F1 /* SaveKeysView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4C285C8D28399BFD008A31F1 /* SaveKeysView.swift */; };
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4C2B10282A7B0F5C008AA43E /* Log.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4C2B10272A7B0F5C008AA43E /* Log.swift */; };
4C2CDDF7299D4A5E00879FD5 /* Debouncer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4C2CDDF6299D4A5E00879FD5 /* Debouncer.swift */; };
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4C30AC7429A5680900E2BD5A /* EventGroupView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4C30AC7329A5680900E2BD5A /* EventGroupView.swift */; };
@ -587,6 +588,7 @@
4C285C8B28398BC6008A31F1 /* Keys.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Keys.swift; sourceTree = "<group>"; };
4C285C8D28399BFD008A31F1 /* SaveKeysView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SaveKeysView.swift; sourceTree = "<group>"; };
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4C2B10272A7B0F5C008AA43E /* Log.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Log.swift; sourceTree = "<group>"; };
4C2CDDF6299D4A5E00879FD5 /* Debouncer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Debouncer.swift; sourceTree = "<group>"; };
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@ -1394,6 +1396,7 @@
4C7D09582A05BEAD00943473 /* KeyboardVisible.swift */,
3A8CC6CB2A2CFEF900940F5F /* StringUtil.swift */,
D2277EE92A089BD5006C3807 /* Router.swift */,
4C2B10272A7B0F5C008AA43E /* Log.swift */,
);
path = Util;
sourceTree = "<group>";
@ -2350,6 +2353,7 @@
F71694EC2A662292001F4053 /* SuggestedUsersViewModel.swift in Sources */,
4C3EA67D28FFBBA300C48A62 /* InvoicesView.swift in Sources */,
4C363A8E28236FE4006E126D /* NoteContentView.swift in Sources */,
4C2B10282A7B0F5C008AA43E /* Log.swift in Sources */,
4C90BD1A283AA67F008EE7EF /* Bech32.swift in Sources */,
E990020F2955F837003BBC5A /* EditMetadataView.swift in Sources */,
4CB8FC232A41ABA800763C51 /* AboutView.swift in Sources */,

47
damus/Util/Log.swift Normal file
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@ -0,0 +1,47 @@
//
// Log.swift
// damus
//
// Created by William Casarin on 2023-08-02.
//
import Foundation
import os.log
enum LogCategory: String {
case nav
case render
}
/// Damus structured logger
class Log {
static private func logger(for logcat: LogCategory) -> OSLog {
return OSLog(subsystem: "com.jb55.damus", category: logcat.rawValue)
}
/// dumb workaround, swift can't forward C vararsg
static private func log(_ message: StaticString, for log: OSLog, type: OSLogType, _ args: [CVarArg]) {
switch args.count {
case 0:
os_log(message, log: log, type: type)
case 1:
os_log(message, log: log, type: type, args[0])
case 2:
os_log(message, log: log, type: type, args[0], args[1])
case 3:
os_log(message, log: log, type: type, args[0], args[1], args[2])
case 4:
os_log(message, log: log, type: type, args[0], args[1], args[2], args[3])
case 5:
os_log(message, log: log, type: type, args[0], args[1], args[2], args[3], args[4])
default:
os_log("Too many variadic params were sent to the logger so we tossed them!", log: log, type: .error)
os_log(message, log: log, type: type)
}
}
static func info(_ msg: StaticString, for logcat: LogCategory, _ args: CVarArg...) {
Log.log(msg, for: logger(for: logcat), type: OSLogType.info, args)
}
}