Excellent! On Fri, Jul 31, 2009 at 12:29 PM, Jay Pipes <[email protected]> wrote:
> Hi all, > > I just added built-in CRC32 checksumming to the Command Log plugin in my > replication branch: > > http://bazaar.launchpad.net/~jaypipes/drizzle/replication/revision/1083<http://bazaar.launchpad.net/%7Ejaypipes/drizzle/replication/revision/1083> > > This changes the log format to write serialized Command GPB messages into > the log file encapsulated by an 8-byte length header and a 4-byte CRC32 > checksum trailer. This means the command log now writes messages one after > the other into the log like so: > > -------------------------------------------------------------- > |<- 8 bytes ->|<- # Bytes of Command Message ->|<- 4 bytes ->| > -------------------------------------------------------------- > | Length | Serialized Command Message | Checksum | > -------------------------------------------------------------- > > This will allow subscribers to a publisher feed to validate the bytes read > from the publisher. > > More coming later...comments and criticism most welcome and appreciated. > > Cheers, > > Jay > > _______________________________________________ > Mailing list: > https://launchpad.net/~drizzle-discuss<https://launchpad.net/%7Edrizzle-discuss> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~drizzle-discuss<https://launchpad.net/%7Edrizzle-discuss> > More help : https://help.launchpad.net/ListHelp >
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