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net: lwm2m: do not report object when object instances available

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Per LwM2M specification 5.3.1 Register. When object instances are
available, object ID can be ignored in registration message

Signed-off-by: Robert Chou <robert.ch.chou@acer.com>
This commit is contained in:
Robert Chou 2017-08-14 16:16:11 +08:00 • committed by Jukka Rissanen
commit a64dcbb7bf
1 changed files with 12 additions and 8 deletions
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20
subsys/net/lib/lwm2m/lwm2m_engine.c
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@ -591,15 +591,19 @@ u16_t lwm2m_get_rd_data(u8_t *client_data, u16_t size)
continue; continue;
} }
len = snprintf(temp, sizeof(temp), "%s</%u>", /* Only report <OBJ_ID> when no instance available */
(pos > 0) ? "," : "", obj->obj_id); if (obj->instance_count == 0) {
if (pos + len >= size) { len = snprintf(temp, sizeof(temp), "%s</%u>",
/* full buffer -- exit loop */ (pos > 0) ? "," : "", obj->obj_id);
break; if (pos + len >= size) {
} /* full buffer -- exit loop */
break;
}
memcpy(&client_data[pos], temp, len); memcpy(&client_data[pos], temp, len);
pos += len; pos += len;
continue;
}
SYS_SLIST_FOR_EACH_CONTAINER(&engine_obj_inst_list, SYS_SLIST_FOR_EACH_CONTAINER(&engine_obj_inst_list,
obj_inst, node) { obj_inst, node) {