Class: Secure::SimpleServer

Inherits:
Object
  • Object
show all
Defined in:
lib/appswarm/secure_con.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(port) ⇒ SimpleServer

Returns a new instance of SimpleServer.



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# File 'lib/appswarm/secure_con.rb', line 271

def initialize(port)
  @@allowed||=[]
  @remote=[]
  @txMutex=Mutex.new
  @txId=0
  @server=Server.new(port)
  @rtMutex=Mutex.new
  @returns={}
  @exceptions={}
  @connections={}
  @identified={}
  @txs={}
  @whiteboard=Whiteboard.new
  
  @server.hookDisconnected{|from|
    if @txs[from]
      @whitebaord.put(@txs[from],:disconnected)
    end
  }
  
  @server.hook{|from,msg,time|
    msg=msg[0]
    # pp "MSG:#{msg}"
    if msg.is_a?(Call)
      if msg.type==:call
        name=msg.name
        if @@allowed.member?(name)
          args=msg.args
          finished=false
          begin
            result=self.send(name,*args)
            finished=true
          rescue Object=>e
            if msg.tx
              from.send(Call.new(:exception,name,RemoteExceptionMS.new(e),msg.tx))
            end
          end
          if msg.tx
            if finished
              from.send(Call.new(:return,name,result,msg.tx))
            else
            end
          end

        else
          glog "invalid access with #{msg} from #{from} at #{time}"
        end
      elsif msg.type==:return
        @whiteboard.put(msg.tx,[:return,msg.args])
        if false
          @rtMutex.synchronize {
            #puts "adding return #{msg.tx} #{msg.tx.class} on #{self}"
            @returns[msg.tx]=msg.args
            ##pp @returns
          }
        end
      elsif msg.type==:exception
        @whiteboard.put(msg.tx,[:exception,msg.args])
        #@rtMutex.synchronize {
        #  @exceptions[msg.tx]=msg.args
        #}
      elsif msg.type==:hi
        con=checkCon(from)
        con.remotePort=msg.args[:port]
        con.remoteHost=msg.args[:host]
        eventConnected(con.remoteHost,con.remotePort)
      end
    end
  }
  @server.hookConnected {|con|
    # nothing ATM - let it say "hi" first (see above)
  }
end

Class Method Details

.allow(*funcNames) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 384

def self.allow(*funcNames)
  @@allowed||=[]
  @@allowed+=funcNames
end

.remote(*funcNames) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 388

def self.remote(*funcNames)
  @@remote||=[]
  @@remote+=funcNames
end

.remote_sync(*funcNames) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 392

def self.remote_sync(*funcNames)
  @@remote_sync||=[]
  @@remote_sync+=funcNames
end

Instance Method Details

#connect(host, port) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 401

def connect(host,port)
  checkCon(@server.connect(host,port))
end

#connections ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 397

def connections
  @server.connections.map{|c|checkCon(c)}
end

#eventConnected(host, port) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 425

def eventConnected(host,port)
  glog "eventConnected #{host},#{port}"
  #  pure virtual
end

#getReturn(tx, conn) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 345

def getReturn(tx,conn)
  result=@whiteboard.get(tx)
  case result[0]
    when :return
      return result[1]
  else
      raise RemoteException.new(result[1])
  end
  
  
  loop do
    #puts "waiting for return...#{tx} #{tx.class} (on #{self})"
    @rtMutex.synchronize {
      if @returns.key?(tx)
        r=@returns[tx] 
        @returns.delete(tx)
        return r
      end
      if @exceptions.key?(tx)
        r=@exceptions[tx] 
        @exceptions.delete(tx)
        raise RemoteException.new(r)
      end
    }
    raise "Connection closed" unless conn.connection.valid
    sleep 0.1
  end      
end

#getTxId(conn) ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 374

def getTxId(conn)
  cid=nil
  @txMutex.synchronize {
    @txId+=1
    cid=@txId
    @txs[cid]=conn
  }
  cid
end

#localHost ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 414

def localHost
  @server.host
end

#localPort ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 417

def localPort
  @server.port
end

#remote_func?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/appswarm/secure_con.rb', line 405

def remote_func?(name)
  @@remote||=[]
  @@remote.member?(name)
end

#remote_sync_func?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/appswarm/secure_con.rb', line 409

def remote_sync_func?(name)
  @@remote_sync||=[]
  @@remote_sync.member?(name)
end

#stop ⇒ Object 



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# File 'lib/appswarm/secure_con.rb', line 421

def stop
  @server.stop
end