Retrieves an ExactMatchArg that would reconstruct this module.

! * Get any placement constraints that need to be met when receiving from this * port. */

Retrieves a configuration that will restore this module.

Retrieves a WildcardMatchConfig that would restore this module's runtime configuration.

Retrieves an ExactMatchConfig that would restore this module's runtime configuration.

Primary hash value. Should always be non-zero (= not empty)

Secondary hash value

Check if we have already seen a task

Construct a new histogram with "num_buckets" buckets of width "bucket_width".

TODO(torek): move this to set/get runtime config

Takes a list of fields. Each field is either: * * 1. {'size': X, 'value': Y} (for constant values) * 2. {'size': X, 'attribute': Y} (for metadat

* Stores new path name and reconnect flag. * Fails if already opening/open. * This is essentially to allow creating an opener before * we know the

Send the initialization data on the FIFO, once it's open.

callback function for each packet

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