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net: apps: Resend failed message once in echo-client

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If the reply for a sent message is not received, then try
to send it once again. If the second resend fails, then mark
the packet as failed.

Change-Id: Ibe9b9384e2e84f055c6486a5bd4d7293675e5d42
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2016-02-15 11:26:03 +02:00 • committed by Gerrit Code Review
commit a63f175d44
1 changed files with 19 additions and 6 deletions
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25
samples/net/echo_client/src/echo-client.c
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@ -310,13 +310,17 @@ static inline bool get_context(struct net_context **unicast,
static char __noinit __stack stack_receiving[STACKSIZE]; static char __noinit __stack stack_receiving[STACKSIZE];
#endif #endif
void sending(void) void sending(int resend)
{ {
static bool send_unicast = true; static bool send_unicast = true;
PRINT("%s: Sending packet\n", __func__); PRINT("%s: Sending packet\n", __func__);
expecting = sys_rand32_get() % ipsum_len; if (resend) {
expecting = resend;
} else {
expecting = sys_rand32_get() % ipsum_len;
}
if (send_unicast) { if (send_unicast) {
if (send_packet(__func__, unicast, ipsum_len, if (send_packet(__func__, unicast, ipsum_len,
@ -335,18 +339,27 @@ void sending(void)
void receiving(void) void receiving(void)
{ {
sending(); int expecting_len = 0;
sending(expecting_len);
while (1) { while (1) {
PRINT("%s: Waiting packet\n", __func__); PRINT("%s: Waiting packet\n", __func__);
if (wait_reply(__func__, unicast, if (wait_reply(__func__, unicast,
ipsum_len, expecting)) { ipsum_len, expecting)) {
PRINT("Waiting %d bytes -> FAIL\n", if (expecting_len > 0) {
ipsum_len - expecting); PRINT("Resend %d bytes -> FAIL\n",
ipsum_len - expecting);
expecting_len = 0;
} else {
PRINT("Waiting %d bytes -> resending\n",
ipsum_len - expecting);
expecting_len = expecting;
}
} }
sending(); sending(expecting_len);
} }
} }