#!/usr/bin/ruby

require 'sbdb'

class Emit
	def initialize env
		@env = env
	end

	def emit f, k, v
		env[ "#{f}/"][ k] = v
	end
end

class Worker
	class Box
		def initialize e
			@emit = e
		end

		def emit f, k, v
			@emit.emit f, k, v
		end
	end

	def emit f, k, v
		@out.push [f, k, v]
	end

	def initalize i, o
		@in, @out = i, o
		Thread.new do
			$SAFE = 3
			@in.each do |o|
				o.data
			end
		end
	end
end

SBDB::Env.new 'conf' do |conf|
	SBDB::Env.new 'logs' do |logs|
		SBDB::Env.new 'cache' do |cache|
			begin
				wn = conf['worker','conf',flags: SBDB::READONLY]['worker']
				inq, outq = SizedQueue.new( 1), SizedQueue.new( 1)
				@worker = wn.times.map{ Worker.new inq, outq }
				Thread.new( oq) do |oq|
					cache[ "#{oq[0]}/#{}"][ oq[]]
				end
				emit = Emit.new cache
				box = Box.new emit
				while line = logs['newids'].get nil, "\0\0\0\0", nil, SBDB::CONSUME_WAIT
					box.map line
				end
			ensure
			end
		end
	end
end