From 8ca82afb684abaebbe17c7748e522b6aef698e92 Mon Sep 17 00:00:00 2001
From: Stefan Boberg <stefan.boberg@epicgames.com>
Date: Thu, 14 Mar 2024 12:53:17 +0000
Subject: HTTP request logging (#6)

this change adds support for tracing http payloads when using the asio path. This was already supported when using the `--http=plugin` path and this change moves some code into a shared class for reuse.
---
 src/zenhttp/servers/httptracer.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/zenhttp/servers/httptracer.cpp

(limited to 'src/zenhttp/servers/httptracer.cpp')

diff --git a/src/zenhttp/servers/httptracer.cpp b/src/zenhttp/servers/httptracer.cpp
new file mode 100644
index 000000000..483307fb1
--- /dev/null
+++ b/src/zenhttp/servers/httptracer.cpp
@@ -0,0 +1,37 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "httptracer.h"
+
+#include <zencore/fmtutils.h>
+#include <zencore/logging.h>
+#include <zencore/session.h>
+
+namespace zen {
+
+void
+HttpServerTracer::Initialize(std::filesystem::path DataDir)
+{
+	m_DataDir	 = DataDir;
+	m_PayloadDir = DataDir / "debug" / GetSessionIdString();
+
+	ZEN_INFO("any debug payloads will be written to '{}'", m_PayloadDir);
+}
+
+void
+HttpServerTracer::WriteDebugPayload(std::string_view Filename, const std::span<const IoBuffer> Payload)
+{
+	uint64_t					 PayloadSize = 0;
+	std::vector<const IoBuffer*> Buffers;
+	for (auto& Io : Payload)
+	{
+		Buffers.push_back(&Io);
+		PayloadSize += Io.GetSize();
+	}
+
+	if (PayloadSize)
+	{
+		WriteFile(m_PayloadDir / Filename, Buffers.data(), Buffers.size());
+	}
+}
+
+}  // namespace zen
-- 
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