From 5a267eb225015059646abfe7a97c0d53a75c0238 Mon Sep 17 00:00:00 2001
From: JustArchi <JustArchi@JustArchi.net>
Date: Wed, 14 Sep 2016 19:00:03 +0200
Subject: [PATCH] Fix logging in when steam API is unavailable Or at least part
 of it...

---
 ArchiSteamFarm/Bot.cs                 |  4 ++--
 ArchiSteamFarm/MobileAuthenticator.cs | 32 ++++++++++++++++++++++++---
 2 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/ArchiSteamFarm/Bot.cs b/ArchiSteamFarm/Bot.cs
index 972a018a7..b6f99b8bb 100755
--- a/ArchiSteamFarm/Bot.cs
+++ b/ArchiSteamFarm/Bot.cs
@@ -1596,7 +1596,7 @@ namespace ArchiSteamFarm {
 			ArchiHandler.PlayGames(BotConfig.GamesPlayedWhileIdle, BotConfig.CustomGamePlayedWhileIdle);
 		}
 
-		private async void OnConnected(SteamClient.ConnectedCallback callback) {
+		private void OnConnected(SteamClient.ConnectedCallback callback) {
 			if (callback == null) {
 				Logging.LogNullError(nameof(callback), BotName);
 				return;
@@ -1636,7 +1636,7 @@ namespace ArchiSteamFarm {
 
 			// If we have ASF 2FA enabled, we can always provide TwoFactorCode, and save a request
 			if (BotDatabase.MobileAuthenticator != null) {
-				TwoFactorCode = await BotDatabase.MobileAuthenticator.GenerateToken().ConfigureAwait(false);
+				TwoFactorCode = BotDatabase.MobileAuthenticator.GenerateTokenImmediately();
 			}
 
 			SteamUser.LogOnDetails logOnDetails = new SteamUser.LogOnDetails {
diff --git a/ArchiSteamFarm/MobileAuthenticator.cs b/ArchiSteamFarm/MobileAuthenticator.cs
index 576f0c366..d7b06a052 100644
--- a/ArchiSteamFarm/MobileAuthenticator.cs
+++ b/ArchiSteamFarm/MobileAuthenticator.cs
@@ -195,6 +195,16 @@ namespace ArchiSteamFarm {
 			return null;
 		}
 
+		internal string GenerateTokenImmediately() {
+			uint time = GetSteamTimeImmediately();
+			if (time != 0) {
+				return GenerateTokenForTime(time);
+			}
+
+			Logging.LogNullError(nameof(time), Bot.BotName);
+			return null;
+		}
+
 		internal async Task<HashSet<Confirmation>> GetConfirmations() {
 			if (!HasCorrectDeviceID) {
 				Logging.LogGenericWarning("Can't execute properly due to invalid DeviceID!", Bot.BotName);
@@ -274,16 +284,32 @@ namespace ArchiSteamFarm {
 				return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
 			}
 
-			await TimeSemaphore.WaitAsync().ConfigureAwait(false);
+			if (!await TimeSemaphore.WaitAsync(0).ConfigureAwait(false)) {
+				return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
+			}
+
+			try {
+				if (SteamTimeDifference.HasValue) {
+					return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
+				}
 
-			if (!SteamTimeDifference.HasValue) {
 				uint serverTime = Bot.ArchiWebHandler.GetServerTime();
 				if (serverTime != 0) {
 					SteamTimeDifference = (short) (serverTime - Utilities.GetUnixTime());
 				}
+
+				return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
+			} finally {
+				TimeSemaphore.Release();
+			}
+		}
+
+		private uint GetSteamTimeImmediately() {
+			if (!SteamTimeDifference.HasValue) {
+				// We must return time immediately, schedule update in the background and proceed
+				GetSteamTime().Forget();
 			}
 
-			TimeSemaphore.Release();
 			return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
 		}