From: Xue Wenqian <wsn.iot.xwq@xxxxxxxxxxxxxx>
The filtering for wpan-ping client and server is made by checking frame header.
Signed-off-by: Xue Wenqian <wsn.iot.xwq@xxxxxxxxxxxxxx>
---
wpan-ping/wpan-ping.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/wpan-ping/wpan-ping.c b/wpan-ping/wpan-ping.c
index e6df2b4..f825b22 100644
--- a/wpan-ping/wpan-ping.c
+++ b/wpan-ping/wpan-ping.c
@@ -303,6 +303,10 @@ static int measure_roundtrip(struct config *conf, int sd) {
}
gettimeofday(&start_time, NULL);
ret = recv(sd, buf, conf->packet_len, 0);
+ if (buf[0] != NOT_A_6LOWPAN_FRAME) {
+ printf("Non-wpanping packet was received\n");
+ continue;
+ }
if (seq_num != ((buf[2] << 8)| buf[3])) {
printf("Sequenze number did not match\n");
continue;
@@ -386,11 +390,13 @@ static void init_server(int sd) {
#if DEBUG
dump_packet(buf, len);
#endif
- /* Send same packet back */
- len = sendto(sd, buf, len, 0, (struct sockaddr *)&src, addrlen);
- if (len < 0) {
- perror("sendto");
- continue;
+ if (buf[0] == NOT_A_6LOWPAN_FRAME) {
+ /* Send same packet back */
+ len = sendto(sd, buf, len, 0, (struct sockaddr *)&src, addrlen);
+ if (len < 0) {
+ perror("sendto");
+ continue;
+ }
}
}
free(buf);
--
1.7.10.4
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