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MarshalLogMessage serializes the log message and prepends additional encoding
information to each message. Currently, we prepend three bytes to each log
message:
byte[0]: encodeVersion - this is currently a constant within the code. If we
modify structs such that they encode differently, we'll have to change the
constant and keep previous versions of structs for deserialization.
byte[1]: encodeType (e.g. "json", etc.)
byte[2]: logMessageType
If we get into a situation where we want more flexibility in these message
header bytes—for example, if we want to use more than three bytes—we could do
something with the first bit of the encodeVersion: if it's 1, that could
indicate that there are additional header bytes, and the following seven bits
could indicate how many.
(cherry picked from commit
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| .. | ||
| alpha | ||
| api | ||
| computer.go | ||
| snapshot.go | ||
| writelog.go | ||
| writelog_test.go | ||