[libnetfilter_queue PATCH 2/2] utils: add the parameter queue number in nfqnl_test

[Alvaro Neira Ayuso <alvaroneay@gmail.com>]

From: Álvaro Neira Ayuso <alvaroneay@gmail.com>

This patch allows to stablish the number of the queue that
we want to read the packets.

Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
---
 utils/nfqnl_test.c |   14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/utils/nfqnl_test.c b/utils/nfqnl_test.c
index 4decd50..8272fa1 100644
--- a/utils/nfqnl_test.c
+++ b/utils/nfqnl_test.c
@@ -85,8 +85,18 @@ int main(int argc, char **argv)
 	struct nfq_q_handle *qh;
 	int fd;
 	int rv;
+	int queue = 0;
 	char buf[4096] __attribute__ ((aligned));
 
+	if (argc == 2) {
+		queue = atoi(argv[1]);
+		if (queue > 65535) {
+			fprintf(stderr, "queue number is bigger than 65535\n");
+			exit(1);
+		}
+	}
+
 	printf("opening library handle\n");
 	h = nfq_open();
 	if (!h) {
@@ -106,8 +116,8 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 
-	printf("binding this socket to queue '0'\n");
-	qh = nfq_create_queue(h,  0, &cb, NULL);
+	printf("binding this socket to queue '%d'\n", queue);
+	qh = nfq_create_queue(h,  queue, &cb, NULL);
 	if (!qh) {
 		fprintf(stderr, "error during nfq_create_queue()\n");
 		exit(1);
-- 
1.7.10.4

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