[MINOR] apply tcp-smart-connect option for the checks too
We should respect tcp-smart-connect for checks too. First it reduces
the traffic, and second it ensures that the checks see the same thing
as the production traffic, which is better for debugging.
diff --git a/src/checks.c b/src/checks.c
index 4022cad..40fb698 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -21,6 +21,7 @@
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
+#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <common/compat.h>
@@ -677,6 +678,14 @@
}
if (s->result == SRV_CHK_UNKNOWN) {
+#ifdef TCP_QUICKACK
+ /* disabling tcp quick ack now allows
+ * the request to leave the machine with
+ * the first ACK.
+ */
+ if (s->proxy->options2 & PR_O2_SMARTCON)
+ setsockopt(fd, SOL_TCP, TCP_QUICKACK, (char *) &zero, sizeof(zero));
+#endif
if ((connect(fd, (struct sockaddr *)&sa, sizeof(sa)) != -1) || (errno == EINPROGRESS)) {
/* OK, connection in progress or established */