Saturday, 8 October 2011


When calling pgm_recv the return value for indicating data was successfully read is PGM_IO_STATUS_NORMAL, this is obviously the ideal case and assuming a constant stream of data to read from the network.

OpenPGM follows a reactor model, calling pgm_recv will then read a packet from the underlying UDP or RAW socket.  If the packet is an original data packet, called ODATA, it will be inserted into the receive window and if-and-only-if the sequence is contiguous to the current lead the payload can be returned to the application.

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