LogAn/lib/logan/inc/server.rb

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require 'select'
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module LogAn
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module Inc
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end
end
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class LogAn::Inc::Select <::Select
attr_reader :entries
def initialize *p
super *p
@entries=[]
end
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def run
until @exit || (@exit_on_empty && self.empty?)
cron
run_once 1
end
end
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def cron
@entries.each do |e|
return if e > Time.now
e.call
@entries.shift
end
end
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class Entry < Time
attr_reader :do
def do &e
@do = e
end
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def call *p
@do.call *p
end
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def self.new *a, &e
x = self.at *a
x.do &e
x
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end
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end
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def at a, &e
a = Entry.new a, &e if e
@entries << a
@entries.sort!
end
end
class LogAn::Inc::Socket <::Select::Socket
def event_read sock = @sock, event = :read
begin
@linebuf += sock.readpartial( @bufsize)
rescue EOFError
self.event_eof sock
rescue Errno::EPIPE => e
self.event_errno e, sock, event
rescue IOError
self.event_ioerror sock, event
rescue Errno::ECONNRESET => e
self.event_errno e, sock, event
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end
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loop do
return if @linebuf.size < 4
l = @linebuf.unpack( 'N')[0]
return if l > @linebuf.length
@linebuf.remove 4
event_cmd @linebuf.remove( l)
end
end
end
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class LogAn::Inc::Server < ::Select::Server
attr_reader :config
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def init opts
super opts
@config = opts[:config] or raise( ArgumentError, "#{self.class} needs a Config!")
end
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def event_new_client sock
{ :clientclass => LogAn::Inc::Server::Socket, :config => @config }
end
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class Socket < LogAn::Inc::Socket
attr_reader :config
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def init opts
super opts
@config = opts[:config] or raise( ArgumentError, "#{self.class} needs a Config!")
end
def event_cmd cmd
sid, line = cmd.unpack 'Na*'
fileparser = @config[:fileparser][sid]
fileparser.event_line line, self if fileparser
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end
end
end