Class: Mizuno::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/mizuno/server.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/mizuno/server.rb', line 23

def logger
  @logger
end

Class Method Details

.logger ⇒ Object 



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# File 'lib/mizuno/server.rb', line 43

def Server.logger
    Logger.logger
end

.run(app, options = {}) ⇒ Object 



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# File 'lib/mizuno/server.rb', line 27

def Server.run(app, options = {})
    @lock.synchronize do
        return if @server
        @server = new
        @server.run(app, options)
    end
end

.stop ⇒ Object 



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# File 'lib/mizuno/server.rb', line 35

def Server.stop
    @lock.synchronize do 
        return unless @server
        @server.stop
        @server = nil
    end
end

Instance Method Details

#rewindable(request) ⇒ Object

Wraps the Java InputStream for the level of Rack compliance desired.



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# File 'lib/mizuno/server.rb', line 145

def rewindable(request)
    input = request.getInputStream

    @options[:rewindable] ?
        Rack::RewindableInput.new(input.to_io.binmode) :
        RewindableInputStream.new(input).to_io.binmode
end

#run(app, options = {}) ⇒ Object

Start up an instance of Jetty, running a Rack application. Options can be any of the follwing, and are not case-sensitive:

:host

String specifying the IP address to bind to; defaults to 0.0.0.0.

:port

String or integer with the port to bind to; defaults to 9292.



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# File 'lib/mizuno/server.rb', line 60

def run(app, options = {})
    # Symbolize and downcase keys.
    @options = options = Hash[options.map { |k, v| 
        [ k.to_s.downcase.to_sym, v ] }]
    options[:quiet] ||= true if options[:embedded]

    # The Jetty server
    Logger.configure(options)
    @logger = Logger.logger
    @server = Java.org.eclipse.jetty.server.Server.new
    @server.setSendServerVersion(false)

    # Thread pool
    threads = options[:threads] || 50
    thread_pool = QueuedThreadPool.new
    thread_pool.min_threads = options.fetch(:min_threads,
        [ threads.to_i / 10, 5 ].max)
    thread_pool.max_threads = [ threads.to_i, 10 ].max
    @server.set_thread_pool(thread_pool)

    # Connector
    connector = SelectChannelConnector.new
    connector.setReuseAddress(options.fetch(:reuse_address, false))
    connector.setPort(options[:port].to_i)
    connector.setHost(options[:host])
    max_header_size = options.fetch(:max_header_size, 32768)
    connector.setRequestHeaderSize(max_header_size)
    
    @server.addConnector(connector)

    # SSL Connector
    configure_https(options) if options[:ssl_port]

    # Switch to a different user or group if we were asked to.
    Runner.setgid(options) if options[:group]
    Runner.setuid(options) if options[:user]

    # Optionally wrap with Mizuno::Reloader.
    threshold = (ENV['RACK_ENV'] == 'production' ? 10 : 1)
    app = Mizuno::Reloader.new(app, threshold) \
        if options[:reloadable]

    # The servlet itself.
    rack_handler = RackHandler.new(self)
    rack_handler.rackup(app)

    # Add the context to the server and start.
    @server.set_handler(rack_handler)
    @server.start
    $stderr.printf("%s listening on %s:%s\n", version,
        connector.host, connector.port) unless options[:quiet]

    # If we're embedded, we're done.
    return if options[:embedded]

    # Stop the server when we get The Signal.
    trap("SIGTERM") { @server.stop and exit }

    # Join with the server thread, so that currently open file
    # descriptors don't get closed by accident.
    # http://www.ruby-forum.com/topic/209252
    @server.join
end

#stop ⇒ Object

Shuts down an embedded Jetty instance.



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# File 'lib/mizuno/server.rb', line 127

def stop
    return unless @server
    $stderr.print "Stopping Jetty..." unless @options[:quiet]
    @server.stop
    $stderr.puts "done." unless @options[:quiet]
end

#version ⇒ Object

Returns the full version string.



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# File 'lib/mizuno/server.rb', line 137

def version
    "Mizuno #{Mizuno::VERSION} (Jetty #{Java.org.eclipse.jetty.server.Server.getVersion})"
end