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net: zoap: Add timeout while requesting packets

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Add timeout for packet and buffer requests. If there are no
buffers available gracefully drop the request.

Change-Id: I56fe2b606556149c83751aadc1c5eee7828a84a8
Signed-off-by: Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>
This commit is contained in:
Ravi kumar Veeramally 2017-04-21 14:52:52 +03:00 • committed by Jukka Rissanen
commit 38503f8c76
1 changed files with 7 additions and 5 deletions
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12
subsys/net/lib/zoap/zoap_link_format.c
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@ -20,6 +20,8 @@
#include <net/zoap.h>
#include <net/zoap_link_format.h>
#define PKT_WAIT_TIME K_SECONDS(1)
static int format_uri(const char * const *path, struct net_buf *buf)
{
static const char prefix[] = "</";
@ -232,12 +234,12 @@ static int send_error_response(struct zoap_resource *resource,
context = net_pkt_context(request->pkt);
pkt = net_pkt_get_tx(context, K_FOREVER);
pkt = net_pkt_get_tx(context, PKT_WAIT_TIME);
if (!pkt) {
return -ENOMEM;
}
frag = net_pkt_get_data(context, K_FOREVER);
frag = net_pkt_get_data(context, PKT_WAIT_TIME);
if (!frag) {
net_pkt_unref(pkt);
return -ENOMEM;
@ -297,12 +299,12 @@ int _zoap_well_known_core_get(struct zoap_resource *resource,
context = net_pkt_context(request->pkt);
pkt = net_pkt_get_tx(context, K_FOREVER);
pkt = net_pkt_get_tx(context, PKT_WAIT_TIME);
if (!pkt) {
return -ENOMEM;
}
frag = net_pkt_get_data(context, K_FOREVER);
frag = net_pkt_get_data(context, PKT_WAIT_TIME);
if (!frag) {
net_pkt_unref(pkt);
return -ENOMEM;
@ -349,7 +351,7 @@ int _zoap_well_known_core_get(struct zoap_resource *resource,
*str = 0xFF;
response.start = str + 1;
} else {
temp = net_pkt_get_data(context, K_FOREVER);
temp = net_pkt_get_data(context, PKT_WAIT_TIME);
if (!temp) {
net_pkt_unref(pkt);
return -ENOMEM;