LogAn/lib/logan/inc/command.rb
2010-03-29 11:50:59 +02:00

40 lines
904 B
Ruby

module LogAn
module Inc
class Command < ::Array
attr_reader :sid
def initialize sid = 0
@sid = sid
end
def event_read line, sock
cmd, l = line.unpack 'na*'
self[cmd].call( l, sock) if self[cmd]
end
end
class SID0 < Command
def initialize store, config, sid = 0
@store, @config = store, config
self[9] = method :event_hostname
self[10] = method :event_filerotated
end
def event_filerotated line, sock
sid, d = line.unpack 'Na8'
@store[ :seeks, sid] = d
end
def event_hostname line, sock
@config[ :hosts].each do |sid,host|
next unless line == host
file = @config[ :files, sid]
next unless file
# command, SID, (inode, seek), file
pc = [1, sid, @store[ :seeks, sid] || "\x00\x00\x00\x00\x00\x00\x00\x00", file].pack 'nNa8a*'
sock.write [pc.length, pc].pack( 'Na*')
end
end
end
end
end