TODO: Remove this when not needed anymore (use findAVP from diam library) Searches on ccr message for an specific AVP message based on the avp tag on ccr type (ie "Session-Id") It returns on the first match it finds.

NewOCSDiamServer initializes an OCS with an empty account map Input: *sm.Settings containing the diameter related parameters *TestOCSConfig containing the server address, and standard OCS settings like how many bytes to allocate to users Output: a new OCSDiamServer.

Here we wrap the protobuf definitions to easily define instance methods.

OCSDiamServer wraps an OCS storing subscriber accounts and their credit.