From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 1 Feb 2021 18:27:40 +0000 (+0000)
Subject: client: Use a random port to connect to the server
X-Git-Tag: 0.1.0~21
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=210dafcaf6bdb0428ee20967a90ff9f8cc3d5199;p=fireperf.git

client: Use a random port to connect to the server

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/client.c b/src/client.c
index 82ae528..401a4f8 100644
--- a/src/client.c
+++ b/src/client.c
@@ -109,13 +109,16 @@ static int open_connection(struct fireperf_config* conf) {
 		goto ERROR;
 	}
 
-	DEBUG(conf, "Opening socket %d...\n", fd);
+	// Chose a random port
+	int port = conf->port + (random() % conf->sockets);
+
+	DEBUG(conf, "Opening socket %d (port %d)...\n", fd, port);
 
 	// Define the peer
 	struct sockaddr_in6 peer = {
 		.sin6_family = AF_INET6,
 		.sin6_addr = conf->address,
-		.sin6_port = htons(conf->port),
+		.sin6_port = htons(port),
 	};
 
 	// Enable keepalive