From af023bead14b3306c0f7223848f9fd76dd83aae4 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Mon, 10 May 2021 15:13:47 +0100
Subject: Use the contents of the link data map when using the 1206 protocol.

Still to do:
- Extract URL encoding to inspstring.
- Use CompareLinkData when using the 1206 protocol.
- Show friendlier messages when a link compatibility is encountered.
---
 src/modules/m_spanningtree/main.cpp | 45 ++++++++++++++++++++++++++++---------
 1 file changed, 35 insertions(+), 10 deletions(-)

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

diff --git a/src/modules/m_spanningtree/main.cpp b/src/modules/m_spanningtree/main.cpp
index 19a0fc332..e8012fc55 100644
--- a/src/modules/m_spanningtree/main.cpp
+++ b/src/modules/m_spanningtree/main.cpp
@@ -678,26 +678,51 @@ void ModuleSpanningTree::ReadConfig(ConfigStatus& status)
 	}
 }
 
-void ModuleSpanningTree::OnLoadModule(Module* mod)
+namespace
 {
-	std::stringstream buffer;
-	buffer << '+' << mod->ModuleSourceFile;
+	void BroadcastModuleState(Module* mod, bool loading)
+	{
+		std::stringstream buffer;
+		buffer << (loading ? '+' : '-') << ModuleManager::ShrinkModName(mod->ModuleSourceFile);
+
+		std::stringstream compatbuffer;
+		compatbuffer << (loading ? '+' : '-') << mod->ModuleSourceFile;
+
+		if (loading)
+		{
+			const std::string linkstring = Utils->BuildLinkString(PROTO_INSPIRCD_40_A1, mod);
+			if (!linkstring.empty())
+				buffer << '=' << linkstring;
+
+			const std::string compatlinkstring = Utils->BuildLinkString(PROTO_INSPIRCD_30, mod);
+			if (!linkstring.empty())
+				compatbuffer << '=' << compatlinkstring;
+		}
 
-	Module::LinkData data;
-	std::string compatdata;
-	mod->GetLinkData(data, compatdata);
-	if (!compatdata.empty())
-		buffer << '=' << compatdata;
+		for (const auto& child : Utils->TreeRoot->GetChildren())
+		{
+			if (!child->GetSocket())
+				continue; // Should never happen?
+
+			if (child->GetSocket()->proto_version <= PROTO_INSPIRCD_30)
+				CommandMetadata::Builder("modules", buffer.str()).Forward(child);
+			else
+				CommandMetadata::Builder("modules", compatbuffer.str()).Forward(child);
+		}
+	}
+}
 
-	ServerInstance->PI->SendMetaData("modules", buffer.str());
+void ModuleSpanningTree::OnLoadModule(Module* mod)
+{
+	BroadcastModuleState(mod, true);
 }
 
 void ModuleSpanningTree::OnUnloadModule(Module* mod)
 {
 	if (!Utils)
 		return;
-	ServerInstance->PI->SendMetaData("modules", "-" + mod->ModuleSourceFile);
 
+	BroadcastModuleState(mod, false);
 	if (mod == this)
 	{
 		// We are being unloaded, inform modules about all servers splitting which cannot be done later when the servers are actually disconnected
-- 
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