From 0f19915421fb2398fb4753bf2d427ef5c447c0dd Mon Sep 17 00:00:00 2001
From: Mikhail Burakov <mburakov@mailbox.org>
Date: Sun, 5 May 2024 15:15:45 +0200
Subject: Set TCP_NODELAY on accepted client connections

---
 main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/main.c b/main.c
index 7bd2c7b..a180bca 100644
--- a/main.c
+++ b/main.c
@@ -17,11 +17,13 @@
 
 #include <errno.h>
 #include <netinet/in.h>
+#include <netinet/tcp.h>
 #include <signal.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/socket.h>
 #include <unistd.h>
 
 #include "capture.h"
@@ -228,6 +230,11 @@ static void OnClientConnecting(void* user) {
     return;
   }
 
+  if (setsockopt(client_fd, IPPROTO_TCP, TCP_NODELAY, &(int){1}, sizeof(int))) {
+    LOG("Failed to set TCP_NODELAY (%s)", strerror(errno));
+    goto drop_client;
+  }
+
   contexts->client_fd = client_fd;
   if (!IoMuxerOnRead(&contexts->io_muxer, contexts->client_fd, &OnClientWriting,
                      user)) {
-- 
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