From e2a1cd12c36d1d00120b260158fe487ef269e17f Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Wed, 7 Oct 2020 21:13:26 -0400
Subject: [PATCH] don't delete unreachable routers if too few

---
 libi2pd/NetDb.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libi2pd/NetDb.cpp b/libi2pd/NetDb.cpp
index 5930baf7..4ce839ee 100644
--- a/libi2pd/NetDb.cpp
+++ b/libi2pd/NetDb.cpp
@@ -560,6 +560,9 @@ namespace data
 				updatedCount++;
 				continue;
 			}
+			// make router reachable back if too few routers
+			if (it.second->IsUnreachable () && total - deletedCount < NETDB_MIN_ROUTERS)	
+				it.second->SetUnreachable (false); 
 			// find & mark expired routers
 			if (it.second->UsesIntroducer ())
 			{
@@ -575,7 +578,7 @@ namespace data
 				// delete RI file
 				m_Storage.Remove(ident);
 				deletedCount++;
-				if (total - deletedCount < NETDB_MIN_ROUTERS) checkForExpiration = false;
+				if (total - deletedCount < NETDB_MIN_ROUTERS) checkForExpiration = false;	
 			}
 		} // m_RouterInfos iteration