Socket protocol

The socket protocol is a stream of words where each word is 8 bytes.

Handshake

client sends WORKER_MAGIC_1 - 0x000000006e697863
server sends WORKER_MAGIC_2 - 0x000000006478696f
client sends version number 0x0000:MAJOR:MINOR where MAJOR and MINOR are each one byte
server sends version number 0x0000:MAJOR:MINOR
if client minor version is greater than 14
- send obsolete CPU affinity value
if client minor version is greater than 11
- send obsolete reserveSpace value
if minor version is greater than 33
- send version string (MAJOR.MINOR.PATCH)
server sends any pending error messages followed by STDERR_LAST - 0x616c7473