diff options
Diffstat (limited to 'nfvbench/packet_stats.py')
| -rw-r--r-- | nfvbench/packet_stats.py | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/nfvbench/packet_stats.py b/nfvbench/packet_stats.py index 16dc965..4b9eac5 100644 --- a/nfvbench/packet_stats.py +++ b/nfvbench/packet_stats.py @@ -47,8 +47,13 @@ class InterfaceStats(object): self.device = device self.shared = shared # RX and TX counters for this interface + # A None value can be set to mean that the data is not available self.tx = 0 self.rx = 0 + # This is a special field to hold an optional total rx count that is only + # used for column aggregation to compute a total intertface stats + # Set to non zero to be picked by the add interface stats method for rx total + self.rx_total = None def get_packet_count(self, direction): """Get packet count for given direction. @@ -79,8 +84,17 @@ class InterfaceStats(object): def add_if_stats(self, if_stats): """Add another ifstats to this instance.""" - self.tx += if_stats.tx - self.rx += if_stats.rx + def added_counter(old_value, new_value_to_add): + if new_value_to_add: + if old_value is None: + return new_value_to_add + return old_value + new_value_to_add + return old_value + + self.tx = added_counter(self.tx, if_stats.tx) + self.rx = added_counter(self.rx, if_stats.rx) + # Add special rx total value if set + self.rx = added_counter(self.rx, if_stats.rx_total) def update_stats(self, tx, rx, diff): """Update stats for this interface. |