From c2da7b7c33daf3d19c13f56ac3850ad3111fc9b6 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: 周五, 19 11月 2021 15:38:35 +0800
Subject: [PATCH] Use TCP_CORK instead of Nagle to control flushing

---
 examples/test-tcp/main.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/examples/test-tcp/main.c b/examples/test-tcp/main.c
index f67df33..814dbf5 100644
--- a/examples/test-tcp/main.c
+++ b/examples/test-tcp/main.c
@@ -51,17 +51,24 @@
 #include "../common/scpi-def.h"
 
 size_t SCPI_Write(scpi_t * context, const char * data, size_t len) {
-    (void) context;
-
     if (context->user_context != NULL) {
         int fd = *(int *) (context->user_context);
+
+        int state = 1;
+        setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state));
+
         return write(fd, data, len);
     }
     return 0;
 }
 
 scpi_result_t SCPI_Flush(scpi_t * context) {
-    (void) context;
+    if (context->user_context != NULL) {
+        int fd = *(int *) (context->user_context);
+
+        int state = 0;
+        setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state));
+    }
 
     return SCPI_RES_OK;
 }
@@ -194,7 +201,7 @@
     listenfd = createServer(5025);
 
     while (1) {
-        int clifd, flag = 0;
+        int clifd, flag = 1;
         struct sockaddr_in cliaddr;
         socklen_t clilen;
 

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