From 7bb0688d10de060de5300a6e10cb36b6935fee53 Mon Sep 17 00:00:00 2001
From: Alex Beregszaszi <alex@rtfs.hu>
Date: Tue, 29 Jan 2019 21:19:24 +0000
Subject: [PATCH] Set keepalive on Unix socket

---
 libweb3jsonrpc/UnixSocketServer.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libweb3jsonrpc/UnixSocketServer.cpp b/libweb3jsonrpc/UnixSocketServer.cpp
index 9510f1a6c4d..9528ba8419f 100644
--- a/libweb3jsonrpc/UnixSocketServer.cpp
+++ b/libweb3jsonrpc/UnixSocketServer.cpp
@@ -86,6 +86,15 @@ bool UnixDomainSocketServer::StartListening()
 		::bind(m_socket, reinterpret_cast<sockaddr*>(&m_address), sizeof(sockaddr_un));
 		fs::permissions(m_path, fs::owner_read | fs::owner_write);
 		listen(m_socket, 128);
+
+		int keepalive = 1;
+		if (setsockopt(m_socket, SOL_SOCKET, SO_KEEPALIVE, &keepalive, sizeof(keepalive) < 0)
+		{
+			CloseConnection(m_socket);
+			m_socket = -1;
+			unlink(m_path.c_str());
+			return false;
+		}
 	}
 	return IpcServerBase::StartListening();
 }