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Force call of subscriber_callback when the ETX of a link is estimated for the first time. Otherwise, it was not called in case of NO_ACK.
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@ -61,12 +61,14 @@ update_metric(const rimeaddr_t *dest, int packet_metric)
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link_metric_t *metricp;
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link_metric_t recorded_metric, new_metric;
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unsigned long time;
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int first_update = 0;
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metricp = (link_metric_t *)neighbor_attr_get_data(&attr_etx, dest);
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packet_metric = NEIGHBOR_INFO_ETX2FIX(packet_metric);
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if(metricp == NULL || *metricp == 0) {
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recorded_metric = NEIGHBOR_INFO_ETX2FIX(ETX_LIMIT);
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new_metric = packet_metric;
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first_update = 1;
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} else {
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recorded_metric = *metricp;
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/* Update the EWMA of the ETX for the neighbor. */
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@ -84,7 +86,7 @@ update_metric(const rimeaddr_t *dest, int packet_metric)
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time = clock_seconds();
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neighbor_attr_set_data(&attr_etx, dest, &new_metric);
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neighbor_attr_set_data(&attr_timestamp, dest, &time);
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if(new_metric != recorded_metric && subscriber_callback != NULL) {
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if((first_update || new_metric != recorded_metric) && subscriber_callback != NULL) {
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subscriber_callback(dest, 1, new_metric);
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}
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}
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