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Continue work on CrashReporter. Call CrashReporter on startup.

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This commit is contained in:
Brent Simmons 2018-12-20 22:21:42 -08:00
parent 5ebe8410c7
commit 22e17a6d92
2 changed files with 80 additions and 15 deletions
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2
NetNewsWire/AppDelegate.swift
View File

@ -177,6 +177,8 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserInterfaceValidations,
self.refreshAll(self)
}
#endif
CrashReporter.shared.check(appName: "NetNewsWire")
}
func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {

93
NetNewsWire/CrashReporter/CrashReporter.swift
View File

@ -17,18 +17,64 @@ import Foundation
// future apps can use it.
struct CrashReporter {
class CrashReporter {
static let shared = CrashReporter()
private struct DefaultsKey {
static let lastSeenCrashLogDateKey = "LastSeenCrashLogDate"
static let hashOfLastSeenCrashLogKey = "LastSeenCrashLogHash"
static let sendCrashLogsAutomaticallyKey = "SendCrashLogsAutomatically"
}
private var sendCrashLogsAutomatically: Bool {
get {
return UserDefaults.standard.bool(forKey: DefaultsKey.sendCrashLogsAutomaticallyKey)
}
set {
UserDefaults.standard.set(newValue, forKey: DefaultsKey.sendCrashLogsAutomaticallyKey)
}
}
private var hashOfLastSeenCrashLog: String? {
get {
return UserDefaults.standard.string(forKey: DefaultsKey.hashOfLastSeenCrashLogKey)
}
set {
UserDefaults.standard.set(newValue, forKey: DefaultsKey.hashOfLastSeenCrashLogKey)
}
}
private var lastSeenCrashLogDate: Date? {
get {
let lastSeenCrashLogDouble = UserDefaults.standard.double(forKey: DefaultsKey.lastSeenCrashLogDateKey)
if lastSeenCrashLogDouble < 1.0 {
return nil
}
return Date(timeIntervalSince1970: lastSeenCrashLogDouble)
}
set {
UserDefaults.standard.set(newValue!.timeIntervalSince1970, forKey: DefaultsKey.hashOfLastSeenCrashLogKey)
}
}
/// Look in ~/Library/Logs/DiagnosticReports/ for a new crash log for this app.
/// Show a crash log catcher window if found.
static func check(appName: String) throws {
func check(appName: String) {
let folder = ("~/Library/Logs/DiagnosticReports/" as NSString).expandingTildeInPath
let crashSuffix = ".crash"
let lowerAppName = appName.lowercased()
let filenames = try FileManager.default.contentsOfDirectory(atPath: folder)
var filenames = [String]()
do {
filenames = try FileManager.default.contentsOfDirectory(atPath: folder)
}
catch {
return
}
var mostRecentFilePath: String? = nil
var mostRecentFileDate = NSDate.distantPast
var mostRecentFileDate = Date.distantPast
for filename in filenames {
if !filename.lowercased().hasPrefix(lowerAppName) {
continue
@ -38,7 +84,13 @@ struct CrashReporter {
}
let path = (folder as NSString).appendingPathComponent(filename)
let fileAttributes = try FileManager.default.attributesOfItem(atPath: path)
var fileAttributes = [FileAttributeKey: Any]()
do {
fileAttributes = try FileManager.default.attributesOfItem(atPath: path)
}
catch {
continue
}
if let fileModificationDate = fileAttributes[.modificationDate] as? Date {
if fileModificationDate > mostRecentFileDate {
mostRecentFileDate = fileModificationDate
@ -50,23 +102,34 @@ struct CrashReporter {
guard let crashLogPath = mostRecentFilePath else {
return
}
guard let crashLog = try? NSString(contentsOfFile: crashLogPath, usedEncoding: nil) else {
if let lastSeenCrashLogDate = lastSeenCrashLogDate, lastSeenCrashLogDate >= mostRecentFileDate {
return
}
// Check to see if we’ve already reported this crash log. This should be common.
let hashOfLog = crashLog.rs_md5Hash()
let hashOfLastReportedCrashLogKey = "hashOfLastReportedCrashLog"
if let lastLogHash = UserDefaults.standard.string(forKey: hashOfLastReportedCrashLogKey) {
if hashOfLog == lastLogHash {
return // Don’t report this crash log again.
}
guard let crashLog = try? NSString(contentsOfFile: crashLogPath, usedEncoding: nil) as String else {
return
}
UserDefaults.standard.set(hashOfLog, forKey: hashOfLastReportedCrashLogKey)
let hashOfFoundLog = crashLog.rs_md5Hash()
// Check to see if we’ve already reported this crash log. Just in case date comparison fails.
if let lastSeenHash = hashOfLastSeenCrashLog, lastSeenHash == hashOfFoundLog {
return
}
hashOfLastSeenCrashLog = hashOfFoundLog
lastSeenCrashLogDate = mostRecentFileDate
// Run crash log window.
if sendCrashLogsAutomatically {
sendCrashLog(crashLog)
return
}
}
}
private extension CrashReporter {
func sendCrashLog(_ crashLog: String) {
// TODO
}
}