+++ /dev/null
-require 'simgrid_ruby'
-require 'thread'
-
-$DEBUG = false # This is a Global Variable Useful for MSG::debugging
-
-###########################################################################
-# Class Semaphore
-###########################################################################
-
-class Semaphore
- def initialize(initvalue = 0)
- @counter = initvalue
- @waiting_list = []
- end
-
- def acquire
- MSG::debug("Acquire "+self.to_s)
- Thread.critical = true
- if (@counter -= 1) < 0
- @waiting_list.push(Thread.current)
- Thread.stop
- end
- self
- ensure
- Thread.critical = false
- end
-
- def release
- MSG::debug("Release "+self.to_s)
- Thread.critical = true
- begin
- if (@counter += 1) <= 0
- t = @waiting_list.shift
- t.wakeup if t
- MSG::debug("Wakeup "+t.to_s)
- else
- MSG::debug("Nobody to wakeup")
- end
- rescue ThreadError
- retry
- end
- self
- ensure
- Thread.critical = false
- end
-end
-
-########################################################################
-# Class Process
-########################################################################
-class MSG::Process < Thread
- @@nextProcessId = 0
-
-# Attributes
- attr_reader :bind, :id # Read only
- attr_accessor :name, :properties, :pargs # R/W
-
-# Initialize : Used from ApplicationHandler to fill it in
- def initialize(*args)
- # FIXME: use only one variante (the one with 3 args) and kill the others
- @schedBegin = Semaphore.new(0)
- @schedEnd = Semaphore.new(0)
- @properties = Hash.new()
- @id = @@nextProcessId++
-
- argc = args.size
-
- if argc == 0 # Default initializer
- super() {
- @id = 0
- @bind = 0
- @name = ""
- @pargs = Array.new()
- start()
- MSG::debug "Initializer without any argument"
- }
-
- # 2 arguments: (HostName,Name) Or (Host , Name)
- elsif argc == 2
- super(){
- MSG::debug "Initilize with 2 args"
- type = args[0].type()
- if ( type.to_s == "String")
- host = Host.getByName(args[0])
- elsif ( type.to_s == "MSG::Host")
- host = args[0]
- else
- raise "first argument of type "+args[0].type().to_s+", but expecting either String or MSG::Host"
- end
- if $DEBUG
- puts host
- end
- raise "Process name cannot be null" if args[1].empty?
- @name = args[1]
- if $DEBUG
- puts @name
- end
- @pargs = Array.new() # No Args[] Passed in Arguments
- start()
- createProcess(self,host)
- }
-
- # 3 arguments: (hostName,Name,args[]) or (Host,Name,args[])
- elsif argc == 3
- super(){
- MSG::debug "Initilize with 3 args"
- type = args[0].type()
- if ( type.to_s == "String")
- host = Host.getByName(args[0])
- elsif ( type.to_s == "MSG::Host")
- host = args[0]
- else
- raise "first argument of type "+args[0].type().to_s+", but expecting either String or MSG::Host"
- end
- if $DEBUG
- puts host
- end
-
- raise "Process name cannot be null" if args[1].empty?
- @name = args[1]
- type = args[2].type()
- raise "Third argument should be an Array" if type != "Array"
- @pargs = args[3]
- createProcess(self,host)
-
- }
- else
- raise "Bad number of argument: Expecting either 1, 2 or 3, but got "+argc.to_s
- end
- end
-
- # main
- def main(args)
- # To be overriden by childs
- raise("You must define a main() function in your process, containing the code of this process")
- end
-
- # Start : To keep the process alive and waiting via semaphore
- def start()
- @schedBegin.acquire
- # execute the main code of the process
- MSG::debug("Begin execution")
- main(@pargs)
- processExit(self) # Exit the Native Process
- @schedEnd.release
- end
-
- def processList() (KILLME?)
- Thread.list.each {|t| p t}
- end
-
- #Get Own ID (KILLME?)
- def getID()
- return @id
- end
-
- #Get a Process ID (KILLME?)
- def processID(process)
- return process.id
- end
-
- #Get Own Name (KILLME?)
- def getName()
- return @name
- end
-
- #Get Bind (KILLME?)
- def getBind()
- return @bind
- end
-
- #Get Binds (KILLME?)
- def setBind(bind)
- @bind = bind
- end
-
- def unschedule()
- @schedEnd.release
- @schedBegin.acquire
- end
-
- def schedule()
- @schedBegin.release
- @schedEnd.acquire
- end
-
- #C Simualator Process Equivalent Management
- # After Binding Ruby Process to C Process
-
-# pause
- def pause()
- processSuspend(self)
- end
-
-# restart
- def restart()
- processResume(self)
- end
-
-# isSuspended
- def isSuspended()
- processIsSuspended(self)
- end
-
-# getHost
- def getHost()
- processGetHost(self)
- end
-
-# The Rest of Methods !!! To be Continued ...
-end
-
-#########################################################################
-# Class ApplicationHandler
-#########################################################################
-class ApplicationHandler
- def initialize()
- @hostName = nil
- @function = nil
- end
-
- def onBeginProcess(hostName,function)
- @args = Array.new
- @properties = Hash.new
-
- @hostName = hostName
- @function = function
-
- MSG::debug("onBeginProcess("+hostName+","+function+")")
- end
-
- def onProperty(id,value)
- @properties[id] = value
- end
-
- def onProcessArg(arg)
- @args.push(arg)
- end
-
- def onEndProcess()
- # must be in C, called from a callback to the FlexML parser
- # newInstance must take args and hostname as argument to initialize everything, *and* bind it to C element
- # Allows to mark all attributes of process (but properties) to read-only
- process = MSG::rubyNewInstance(@function)
- process.pargs = @args
- process.name = @function
- host = MSG::Host.getByName(@hostName)
- MSG::processCreate(process,host)
- process.properties = @properties
- end
-end
-
-#########################
-# Main chunck
-#########################
-MSG.init(ARGV)
