Open Mash Cross Reference
mash/tcl/hm/application-hm.tcl

   # application-hm.tcl --
   #
   #       Application object for Host Manager (hm)
   #
   # Copyright (c) 1997-2002 The Regents of the University of California.
   # All rights reserved.
   #
   # Redistribution and use in source and binary forms, with or without
   # modification, are permitted provided that the following conditions are met:
  #
  # A. Redistributions of source code must retain the above copyright notice,
  #    this list of conditions and the following disclaimer.
  # B. Redistributions in binary form must reproduce the above copyright notice,
  #    this list of conditions and the following disclaimer in the documentation
  #    and/or other materials provided with the distribution.
  # C. Neither the names of the copyright holders nor the names of its
  #    contributors may be used to endorse or promote products derived from this
  #    software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
  # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  #
  # @(#) $Header: /usr/mash/src/repository/mash/mash-1/tcl/hm/application-hm.tcl,v 1.52 2002/02/03 04:27:05 lim Exp $
  
  
  import Application HMAgent
  
  #-
  # Class:
  #   HMApplication
  # Description:
  #   Main application object for host manager (hm).  It is responsible
  #   for parsing command lines arguments, initializing user-defined
  #   resources and commands, and creating an HMAgent.  The intelligence
  #   of the application lies in HMAgent.
  # See Also:
  #   HMAgent
  #-
  Class HMApplication -superclass Application
  
  #-
  # Method:
  #   HMApplication init
  # Description:
  #   Initialize default values for command line arguments, parse
  #   command line arguments, and load user hooks.  Finally, create
  #   an HM agent and run user hooks.
  #-
  HMApplication public init argv {
          $self next hm
          set o [$self options]
          $self init_args $o
          $self init_resources $o
          $o parse_args $argv
  
          # Source the user's hook file if it exists. The function
          # user_hook, which may be defined in this file, will be
          # called at the end of init.
          if {[$o get_option userhookFile] != ""} {
                  if {[file isfile [$o get_option userhookFile]] && \
                          [file readable [$o get_option userhookFile]]} {
                          source [$o get_option userhookFile]
                  } else {
                          puts stderr "Unable to source \"[$o get_option userhookFile]\". Not a file or not readable."
                  }
          }
  
          $self init_local
  
          # FIXME closing stdout causes any puts statements to crash
          # hm if it's started in fork mode.
          if { [$self get_option doFork] != "" } {
                  close stdout
                  close stdin
                  close stderr
                  fork
                  set logfd [open [$self get_option logFile] a+]
          } else {
                  set logfd stdout
          }
          $self add_option execArgs $argv
          new HMAgent $self $logfd
  
          $self user_hook
  }
  
  
  HMApplication private init_args o {
          $o register_option -u userhookFile
  
          $o register_boolean_option -lb loadBalance
         $o register_boolean_option -fork doFork
         $o register_boolean_option -glunix glunix
         $o register_boolean_option -noload noLoad
         $o register_boolean_option -nolog noLog
 
         $o register_option -target targetNum
         $o register_option -int checkInterval
         $o register_option -path execPath
         $o register_option -log logFile
         $o register_option -rcmd execCmd
         $o register_option -conffile megaConfFile
         $o register_option -megactrl megaCtrl
         $o register_option -scriptdir scriptDir
 }
 
 
 HMApplication private init_resources o {
 
         $o add_default megaCtrl 224.4.5.24/50000/31
         $o add_default megaCtrlBW 20000
         # 60 seconds max startup wait for first message
         $o add_default megaStartupWait 60
         $o add_default scriptDir /var/tmp
 
         $o add_default unicastOutput 1
 
         $o add_default lambda 5.0
         $o add_default maxWait 15000
         $o add_default maxPending 5
 
         $o add_default minPort 10000
         $o add_default maxPorts 10000
 
         $o add_default checkFactor 2
 
         $o add_default checkInterval 20000
         $o add_default deathInterval 10000
         $o add_default minDeathWait 60000
 
         $o add_default highLoad 1.00
         $o add_default lowLoad 0.05
         $o add_default noLoad yes
         $o add_default execPath [pwd]
         $o add_default execCmd "ssh -n"
         $o add_default minHmNum 1
         $o add_default loadSamples 2
         $o add_default logFile /tmp/hmlog
         $o add_default megaConfFile mega.conf
         $o add_default link no
 
         $o add_default allow_distrib no
         $o add_default glob_chan 224.4.5.28/55000/15
 }