From 4351678065e1e0f2bb5cf3c7eb7e2f17b6470833 Mon Sep 17 00:00:00 2001
From: Daniel De Graaf
Date: Thu, 4 Mar 2010 10:39:47 -0600
Subject: Add RESYNC command to allow automatic recovery from a detected desync

---
 src/modules/m_spanningtree/compat.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/modules/m_spanningtree/compat.cpp')

diff --git a/src/modules/m_spanningtree/compat.cpp b/src/modules/m_spanningtree/compat.cpp
index 9e48804c3..d10d0ce9f 100644
--- a/src/modules/m_spanningtree/compat.cpp
+++ b/src/modules/m_spanningtree/compat.cpp
@@ -143,6 +143,11 @@ void TreeSocket::WriteLine(std::string line)
 				line.erase(b,c-b);
 			}
 		}
+		else if (proto_version < 1203 && command == "RESYNC")
+		{
+			// drop the command. 2.0 and earlier cannot automatically recover from desync
+			return;
+		}
 		else if (proto_version < 1202 && command == "ENCAP")
 		{
 			// :src ENCAP target command [args...]
-- 
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