From a66a67c2ab50aee3f17015eb48df92e11d9597a1 Mon Sep 17 00:00:00 2001
From: mjagdis <mjagdis@eris-associates.co.uk>
Date: Fri, 31 May 2024 12:04:51 +0100
Subject: Set TCP_NODELAY on connections (#5558)

* Set TCP_NODELAY on connections

Signed-off-by: Mike Jagdis <mjagdis@eris-associates.co.uk>

* Windows wants a char *  not a void * :-(

Signed-off-by: Mike Jagdis <mjagdis@eris-associates.co.uk>

* And clang objects to old style casts

Signed-off-by: Mike Jagdis <mjagdis@eris-associates.co.uk>

---------

Signed-off-by: Mike Jagdis <mjagdis@eris-associates.co.uk>
---
 src/Globals.h                      | 1 +
 src/OSSupport/ServerHandleImpl.cpp | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/src/Globals.h b/src/Globals.h
index 0b6ff8ac5..7c2af3d11 100644
--- a/src/Globals.h
+++ b/src/Globals.h
@@ -98,6 +98,7 @@
 
 	#include <arpa/inet.h>
 	#include <netinet/in.h>
+	#include <netinet/tcp.h>
 	#include <sys/socket.h>
 	#include <unistd.h>
 #endif
diff --git a/src/OSSupport/ServerHandleImpl.cpp b/src/OSSupport/ServerHandleImpl.cpp
index e68f82757..669a0f83f 100644
--- a/src/OSSupport/ServerHandleImpl.cpp
+++ b/src/OSSupport/ServerHandleImpl.cpp
@@ -328,6 +328,9 @@ void cServerHandleImpl::Callback(evconnlistener * a_Listener, evutil_socket_t a_
 		return;
 	}
 
+	const int one = 1;
+	setsockopt(a_Socket, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<const char *>(&one), sizeof(one));
+
 	// Create a new cTCPLink for the incoming connection:
 	cTCPLinkImplPtr Link = std::make_shared<cTCPLinkImpl>(a_Socket, LinkCallbacks, Self->m_SelfPtr, a_Addr, static_cast<socklen_t>(a_Len));
 	{
-- 
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