From 4fc2631850466ff38c5152ea6d527f6711e82558 Mon Sep 17 00:00:00 2001
From: ivu-mawi <150349238+ivu-mawi@users.noreply.github.com>
Date: Thu, 12 Feb 2026 18:40:19 +0100
Subject: [PATCH] EpollTransport: respect extended keepalive parameters
 TCP_KEEPIDLE, TCP_KEEPCNT and TCP_KEEPINTVL for clients, not just servers

---
 .../io/vertx/core/impl/transports/EpollTransport.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/main/java/io/vertx/core/impl/transports/EpollTransport.java b/src/main/java/io/vertx/core/impl/transports/EpollTransport.java
index 8d32e24d264..9c3cb8b1e72 100644
--- a/src/main/java/io/vertx/core/impl/transports/EpollTransport.java
+++ b/src/main/java/io/vertx/core/impl/transports/EpollTransport.java
@@ -169,6 +169,16 @@ public void configure(ClientOptionsBase options, boolean domainSocket, Bootstrap
       bootstrap.option(EpollChannelOption.TCP_USER_TIMEOUT, options.getTcpUserTimeout());
       bootstrap.option(EpollChannelOption.TCP_QUICKACK, options.isTcpQuickAck());
       bootstrap.option(EpollChannelOption.TCP_CORK, options.isTcpCork());
+
+      if (options.isTcpKeepAlive() && options.getTcpKeepAliveIdleSeconds() != -1) {
+        bootstrap.option(EpollChannelOption.TCP_KEEPIDLE, options.getTcpKeepAliveIdleSeconds());
+      }
+      if (options.isTcpKeepAlive() && options.getTcpKeepAliveCount() != -1) {
+        bootstrap.option(EpollChannelOption.TCP_KEEPCNT, options.getTcpKeepAliveCount());
+      }
+      if (options.isTcpKeepAlive() && options.getTcpKeepAliveIntervalSeconds() != -1) {
+        bootstrap.option(EpollChannelOption.TCP_KEEPINTVL, options.getTcpKeepAliveIntervalSeconds());
+      }
     }
     Transport.super.configure(options, domainSocket, bootstrap);
   }