DelayedFetchForwardFailures File

    Marcel

    Happy new year. Hope this year is great for you.

    My question today regards a file that is created when I have some communication issues between Dgate and another SCP. I get a file generated in the the dgate home directory called DelayedFetchForwardFailures#### . Do the studies listed in there get re-tried at some point or is this just a housekeeping file for administration. Also it looks to be binary text file. Can you point me to the location in the code that generates it so I could write a quick reader for it. Thanks in advance.


    Mr Johnathan Bravo

    Hi,


    the files store delayed forward entries that are indeed retried.


    This data stored (dgate.cpp line 11840, code writing in the queue code about 1000 lines above, look for 'failfile'):


    strncpy(data, patientid, 64);

    strncpy(data+65, operation, 16);

    *(unsigned int*)(data+996) = time(NULL);

    *(unsigned int*)(data+992) = delay;


    strncpy(data+82, server, 17);

    strncpy(data+100, studyuid, 64);

    strncpy(data+165, seriesuid, 64);

    strncpy(data+230, compress, 25);

    strncpy(data+256, modality, 19);

    strncpy(data+276, date, 23);

    strncpy(data+300, sop, 64);

    strncpy(data+366, imagetype, 128);

    strncpy(data+500, seriesdesc,64);

    if (script) strncpy(data+570, script, 400);


    The file just contains raw dumps of the 1000 byte long data entries. Their first byte of patientid is set to 0 if an entry has been succesfully processed. If all have been processed the file is deleted.


    Marcel

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