From 12577df7bae70b8979c38e234d774cc900a8339e Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Sun, 6 Aug 2023 14:51:25 +0200
Subject: [PATCH] Disable TCP keepalive before closing socket

---
 src/base/net/stratum/Client.cpp       | 3 +++
 src/base/net/stratum/DaemonClient.cpp | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/src/base/net/stratum/Client.cpp b/src/base/net/stratum/Client.cpp
index 06cc94fca..d780a5a8a 100644
--- a/src/base/net/stratum/Client.cpp
+++ b/src/base/net/stratum/Client.cpp
@@ -344,6 +344,9 @@ bool xmrig::Client::close()
     setState(ClosingState);
 
     if (uv_is_closing(reinterpret_cast<uv_handle_t*>(m_socket)) == 0) {
+        if (Platform::hasKeepalive()) {
+            uv_tcp_keepalive(m_socket, 0, 60);
+        }
         uv_close(reinterpret_cast<uv_handle_t*>(m_socket), Client::onClose);
     }
 
diff --git a/src/base/net/stratum/DaemonClient.cpp b/src/base/net/stratum/DaemonClient.cpp
index b5e89d454..57d16685e 100644
--- a/src/base/net/stratum/DaemonClient.cpp
+++ b/src/base/net/stratum/DaemonClient.cpp
@@ -590,6 +590,9 @@ void xmrig::DaemonClient::retry()
     }
 
     if ((m_ZMQConnectionState != ZMQ_NOT_CONNECTED) && (m_ZMQConnectionState != ZMQ_DISCONNECTING)) {
+        if (Platform::hasKeepalive()) {
+            uv_tcp_keepalive(m_ZMQSocket, 0, 60);
+        }
         uv_close(reinterpret_cast<uv_handle_t*>(m_ZMQSocket), onZMQClose);
     }
 
@@ -917,6 +920,9 @@ bool xmrig::DaemonClient::ZMQClose(bool shutdown)
     m_ZMQConnectionState = ZMQ_DISCONNECTING;
 
     if (uv_is_closing(reinterpret_cast<uv_handle_t*>(m_ZMQSocket)) == 0) {
+        if (Platform::hasKeepalive()) {
+            uv_tcp_keepalive(m_ZMQSocket, 0, 60);
+        }
         uv_close(reinterpret_cast<uv_handle_t*>(m_ZMQSocket), shutdown ? onZMQShutdown : onZMQClose);
         if (!shutdown) {
             retry();