From: Alan T. DeKok <aland@freeradius.org>
Date: Thu, 9 Sep 2021 20:33:51 +0000 (-0400)
Subject: respect SO_SNDBUF
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dc50aabeb9da1a869c0485cf37494d559c25ce1;p=thirdparty%2Ffreeradius-server.git

respect SO_SNDBUF
---

diff --git a/src/lib/util/udp_queue.c b/src/lib/util/udp_queue.c
index 76615692d9..da2fdd3194 100644
--- a/src/lib/util/udp_queue.c
+++ b/src/lib/util/udp_queue.c
@@ -121,6 +121,25 @@ fr_udp_queue_t *fr_udp_queue_alloc(TALLOC_CTX *ctx, fr_udp_queue_config_t const
 	if (config->interface &&
 	    (fr_socket_bind(fd, &config->ipaddr, &port, config->interface) < 0)) goto error;
 
+	/*
+	 *	Set sendbuf
+	 */
+#ifdef SO_SNDBUF
+	/*
+	 *	Set SO_SNDBUF size, if configured to do so.
+	 */
+	if (config->send_buff_is_set) {
+		int opt;
+	
+		opt = config->send_buff;
+
+		if (opt < 65536) opt = 65536;
+		if (opt > (1 << 30)) opt = 1<<30;
+
+		(void) setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &opt, sizeof(int));
+	}
+#endif
+
 	uq = talloc_zero(ctx, fr_udp_queue_t);
 	if (!uq) {
 	error: