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Corrected cancellation request for SubscribeCOV decoding.

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This commit is contained in:
skarg
2007-06-06 00:16:12 +00:00
parent 8207c3931b
commit 6a2f43712f
1 changed files with 27 additions and 21 deletions
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bacnet-stack/cov.c
+27 -21
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@@ -365,27 +365,33 @@ int cov_subscribe_decode_service_request(uint8_t * apdu,
&data->monitoredObjectIdentifier.instance);
data->monitoredObjectIdentifier.type = decoded_type;
} else
return -1;
/* tag 2 - issueConfirmedNotifications - optional */
if (decode_is_context_tag(&apdu[len], 2)) {
data->cancellationRequest = false;
len +=
decode_tag_number_and_value(&apdu[len], &tag_number,
&len_value);
data->issueConfirmedNotifications =
decode_context_boolean(&apdu[len]);
len += len_value;
} else
data->cancellationRequest = true;
/* tag 3 - lifetime - optional */
if (decode_is_context_tag(&apdu[len], 3)) {
len +=
decode_tag_number_and_value(&apdu[len], &tag_number,
&len_value);
len += decode_unsigned(&apdu[len], len_value, &decoded_value);
data->lifetime = decoded_value;
} else
data->lifetime = 0;
return -1;
/* optional parameters - if missing, means cancellation */
if (len > apdu_len) {
/* tag 2 - issueConfirmedNotifications - optional */
if (decode_is_context_tag(&apdu[len], 2)) {
data->cancellationRequest = false;
len +=
decode_tag_number_and_value(&apdu[len], &tag_number,
&len_value);
data->issueConfirmedNotifications =
decode_context_boolean(&apdu[len]);
len += len_value;
} else {
data->cancellationRequest = true;
}
/* tag 3 - lifetime - optional */
if (decode_is_context_tag(&apdu[len], 3)) {
len +=
decode_tag_number_and_value(&apdu[len], &tag_number,
&len_value);
len += decode_unsigned(&apdu[len], len_value, &decoded_value);
data->lifetime = decoded_value;
} else
data->lifetime = 0;
} else {
data->cancellationRequest = true;
}
}
return len;