From f87631dd0d283ad04eb3873c1a7510a9d1423792 Mon Sep 17 00:00:00 2001
From: Dan Engelbrecht <dan.engelbrecht@epicgames.com>
Date: Thu, 29 Sep 2022 09:25:29 +0200
Subject: Format all rpc package responses using `FormatPackageMessageBuffer`
 to avoid memory copy (#174)

When reading upstream, fall back to old rpc response to handle older instances.
---
 zenhttp/httpshared.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'zenhttp/httpshared.cpp')

diff --git a/zenhttp/httpshared.cpp b/zenhttp/httpshared.cpp
index 769b5e3f3..2b96f32fc 100644
--- a/zenhttp/httpshared.cpp
+++ b/zenhttp/httpshared.cpp
@@ -339,6 +339,17 @@ ParsePackageMessage(IoBuffer Payload, std::function<IoBuffer(const IoHash&, uint
 	return Package;
 }
 
+bool
+ParsePackageMessageWithLegacyFallback(const IoBuffer& Response, CbPackage& OutPackage)
+{
+	if (IsPackageMessage(Response))
+	{
+		OutPackage = ParsePackageMessage(Response);
+		return true;
+	}
+	return OutPackage.TryLoad(Response);
+}
+
 CbPackageReader::CbPackageReader() : m_CreateBuffer([](const IoHash&, uint64_t Size) -> IoBuffer { return IoBuffer{Size}; })
 {
 }
-- 
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