Add bin and edit workflow

bin/gems/eventmachine-1.2.7/lib/jeventmachine.rb

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+#--
+#
+# Author:: Francis Cianfrocca (gmail: blackhedd)
+# Homepage::  http://rubyeventmachine.com
+# Date:: 8 Apr 2006
+# 
+# See EventMachine and EventMachine::Connection for documentation and
+# usage examples.
+#
+#----------------------------------------------------------------------------
+#
+# Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
+# Gmail: blackhedd
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of either: 1) the GNU General Public License
+# as published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version; or 2) Ruby's License.
+# 
+# See the file COPYING for complete licensing information.
+#
+#---------------------------------------------------------------------------
+#
+# 
+
+# This module provides "glue" for the Java version of the EventMachine reactor core.
+# For C++ EventMachines, the analogous functionality is found in ext/rubymain.cpp,
+# which is a garden-variety Ruby-extension glue module.
+
+require 'java'
+require 'rubyeventmachine'
+require 'socket'
+
+java_import java.io.FileDescriptor
+java_import java.nio.channels.SocketChannel
+java_import java.lang.reflect.Field
+
+module JavaFields
+  def set_field(key, value)
+    field = getClass.getDeclaredField(key)
+    field.setAccessible(true)
+    if field.getType.toString == 'int'
+      field.setInt(self, value)
+    else
+      field.set(self, value)
+    end
+  end
+
+  def get_field(key)
+    field = getClass.getDeclaredField(key)
+    field.setAccessible(true)
+    field.get(self)
+  end
+end
+
+FileDescriptor.send :include, JavaFields
+SocketChannel.send :include, JavaFields
+
+module EventMachine
+  # TODO: These event numbers are defined in way too many places.
+  # DRY them up.
+  # @private
+  TimerFired = 100
+  # @private
+  ConnectionData = 101
+  # @private
+  ConnectionUnbound = 102
+  # @private
+  ConnectionAccepted = 103
+  # @private
+  ConnectionCompleted = 104
+  # @private
+  LoopbreakSignalled = 105
+  # @private
+  ConnectionNotifyReadable = 106
+  # @private
+  ConnectionNotifyWritable = 107
+  # @private
+  SslHandshakeCompleted = 108
+  # @private
+  SslVerify = 109
+
+  # @private
+  EM_PROTO_SSLv2 = 2
+  # @private
+  EM_PROTO_SSLv3 = 4
+  # @private
+  EM_PROTO_TLSv1 = 8
+  # @private
+  EM_PROTO_TLSv1_1 = 16
+  # @private
+  EM_PROTO_TLSv1_2 = 32
+
+  # Exceptions that are defined in rubymain.cpp
+  class ConnectionError < RuntimeError; end
+  class ConnectionNotBound < RuntimeError; end
+  class UnknownTimerFired < RuntimeError; end
+  class Unsupported < RuntimeError; end
+
+  # This thunk class used to be called EM, but that caused conflicts with
+  # the alias "EM" for module EventMachine. (FC, 20Jun08)
+  class JEM < com.rubyeventmachine.EmReactor
+    def eventCallback a1, a2, a3, a4
+      s = String.from_java_bytes(a3.array[a3.position...a3.limit]) if a3
+      EventMachine::event_callback a1, a2, s || a4
+      nil
+    end
+  end
+  # class Connection < com.rubyeventmachine.Connection
+  #   def associate_callback_target sig
+  #     # No-op for the time being.
+  #   end
+  # end
+  def self.initialize_event_machine
+    @em = JEM.new
+  end
+  def self.release_machine
+    @em = nil
+  end
+  def self.add_oneshot_timer interval
+    @em.installOneshotTimer interval
+  end
+  def self.run_machine
+    @em.run
+  end
+  def self.stop
+    @em.stop
+  end
+  def self.start_tcp_server server, port
+    @em.startTcpServer server, port
+  end
+  def self.stop_tcp_server sig
+    @em.stopTcpServer sig
+  end
+  def self.start_unix_server filename
+    # TEMPORARILY unsupported until someone figures out how to do it.
+    raise "unsupported on this platform"
+  end
+  def self.send_data sig, data, length
+    @em.sendData sig, data.to_java_bytes
+  rescue java.lang.NullPointerException
+    0
+  end
+  def self.send_datagram sig, data, length, address, port
+    @em.sendDatagram sig, data.to_java_bytes, length, address, port
+  end
+  def self.connect_server server, port
+    bind_connect_server nil, nil, server, port
+  end
+  def self.bind_connect_server bind_addr, bind_port, server, port
+    @em.connectTcpServer bind_addr, bind_port.to_i, server, port
+  end
+  def self.close_connection sig, after_writing
+    @em.closeConnection sig, after_writing
+  end
+  def self.set_comm_inactivity_timeout sig, interval
+    @em.setCommInactivityTimeout sig, interval
+  end
+  def self.set_pending_connect_timeout sig, val
+  end
+  def self.set_heartbeat_interval val
+  end
+  def self.start_tls sig
+    @em.startTls sig
+  end
+  def self.ssl?
+    false
+  end
+  def self.signal_loopbreak
+    @em.signalLoopbreak
+  end
+  def self.set_timer_quantum q
+    @em.setTimerQuantum q
+  end
+  def self.epoll
+    # Epoll is a no-op for Java.
+    # The latest Java versions run epoll when possible in NIO.
+  end
+  def self.epoll= val
+  end
+  def self.kqueue
+  end
+  def self.kqueue= val
+  end
+  def self.epoll?
+    false
+  end
+  def self.kqueue?
+    false
+  end
+  def self.set_rlimit_nofile n_descriptors
+    # Currently a no-op for Java.
+  end
+  def self.open_udp_socket server, port
+    @em.openUdpSocket server, port
+  end
+  def self.invoke_popen cmd
+    # TEMPORARILY unsupported until someone figures out how to do it.
+    raise "unsupported on this platform"
+  end
+  def self.read_keyboard
+    # TEMPORARILY unsupported until someone figures out how to do it.
+    raise "temporarily unsupported on this platform"
+  end
+  def self.set_max_timer_count num
+    # harmless no-op in Java. There's no built-in timer limit.
+    @max_timer_count = num
+  end
+  def self.get_max_timer_count
+    # harmless no-op in Java. There's no built-in timer limit.
+    @max_timer_count || 100_000
+  end
+  def self.library_type
+    :java
+  end
+  def self.get_peername sig
+    if peer = @em.getPeerName(sig)
+      Socket.pack_sockaddr_in(*peer)
+    end
+  end
+  def self.get_sockname sig
+    if sockName = @em.getSockName(sig)
+      Socket.pack_sockaddr_in(*sockName)
+    end
+  end
+  # @private
+  def self.attach_fd fileno, watch_mode
+    # 3Aug09: We could pass in the actual SocketChannel, but then it would be modified (set as non-blocking), and
+    # we would need some logic to make sure detach_fd below didn't clobber it. For now, we just always make a new
+    # SocketChannel for the underlying file descriptor
+    # if fileno.java_kind_of? SocketChannel
+    #   ch = fileno
+    #   ch.configureBlocking(false)
+    #   fileno = nil
+    # elsif fileno.java_kind_of? java.nio.channels.Channel
+
+    if fileno.java_kind_of? java.nio.channels.Channel
+      field = fileno.getClass.getDeclaredField('fdVal')
+      field.setAccessible(true)
+      fileno = field.get(fileno)
+    else
+      raise ArgumentError, 'attach_fd requires Java Channel or POSIX fileno' unless fileno.is_a? Integer
+    end
+
+    if fileno == 0
+      raise "can't open STDIN as selectable in Java =("
+    elsif fileno.is_a? Integer
+      # 8Aug09: The following code is specific to the sun jvm's SocketChannelImpl. Is there a cross-platform
+      # way of implementing this? If so, also remember to update EventableSocketChannel#close and #cleanup
+      fd = FileDescriptor.new
+      fd.set_field 'fd', fileno
+
+      ch = SocketChannel.open
+      ch.configureBlocking(false)
+      ch.kill
+      ch.set_field 'fd', fd
+      ch.set_field 'fdVal', fileno
+      ch.set_field 'state', ch.get_field('ST_CONNECTED')
+    end
+
+    @em.attachChannel(ch,watch_mode)
+  end
+  def self.detach_fd sig
+    if ch = @em.detachChannel(sig)
+      ch.get_field 'fdVal'
+    end
+  end
+
+  def self.set_notify_readable sig, mode
+    @em.setNotifyReadable(sig, mode)
+  end
+  def self.set_notify_writable sig, mode
+    @em.setNotifyWritable(sig, mode)
+  end
+
+  def self.is_notify_readable sig
+    @em.isNotifyReadable(sig)
+  end
+  def self.is_notify_writable sig
+    @em.isNotifyWritable(sig)
+  end
+  def self.get_connection_count
+    @em.getConnectionCount
+  end
+
+  def self.pause_connection(sig)
+    @em.pauseConnection(sig)
+  end
+  def self.resume_connection(sig)
+    @em.resumeConnection(sig)
+  end
+  def self.connection_paused?(sig)
+    @em.isConnectionPaused(sig)
+  end
+  def self._get_outbound_data_size(sig)
+    @em.getOutboundDataSize(sig)
+  end
+
+
+  def self.set_tls_parms(sig, params)
+  end
+  def self.start_tls(sig)
+  end
+  def self.send_file_data(sig, filename)
+  end
+
+  class Connection
+    def associate_callback_target sig
+      # No-op for the time being
+    end
+    def get_outbound_data_size
+      EM._get_outbound_data_size @signature
+    end
+  end
+end
+