Esempio n. 1
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    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1, self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory, self.interruptor, self.semaphore, self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0, [page0, page1, page2], 3, 4, 1, [Page(123)])
Esempio n. 2
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 def fifo(self):
     '''
     @return: a FIFO kernel
     '''
     self.imanager = InterruptorManager()
     self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
     self.queue = OwnQueue(self.condition)
     self.scheduler = Scheduler(self.cpu, self.queue, -1, self.condition)
     return self.__build(self.queue, self.scheduler)
Esempio n. 3
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 def withPriority(self):
     '''
     @return: a Priority kernel
     '''
     self.imanager = InterruptorManager()
     self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
     self.func = lambda pcb1, pcb2: pcb1.getPriority() >= pcb2.getPriority()
     self.queue = OwnHeap(self.condition, self.func)
     self.scheduler = Scheduler(self.cpu, self.queue, -1, self.condition)
     return self.__build(self.queue, self.scheduler)
Esempio n. 4
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 def roundRobin(self, quantum):
     '''
     @return: given a <quantum>, returns a Round Robbin configured kernel, with quantum <quantum>
     '''
     self.imanager = InterruptorManager()
     self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
     self.queue = OwnQueue(self.condition)
     self.scheduler = Scheduler(self.cpu, self.queue, quantum,
                                self.condition)
     return self.__build(self.queue, self.scheduler)
Esempio n. 5
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 def roundRobin_withPriority(self, quantum):
     '''
     @return: given a <quantum> it returns a Priority-RR kernel with quantum <quantum>
     '''
     self.imanager = InterruptorManager()
     self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
     self.func = lambda pcb1, pcb2: pcb1.getPriority() >= pcb2.getPriority()
     self.queue = OwnHeap(self.condition, self.func)
     self.scheduler = Scheduler(self.cpu, self.queue, quantum,
                                self.condition)
     return self.__build(self.queue, self.scheduler)
Esempio n. 6
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    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1,self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory,self.interruptor, self.semaphore,self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0,[page0,page1,page2],3,4,1,[Page(123)])
Esempio n. 7
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    def setUp(self):
        # miscellaneous
        self.semaphore = Condition()
        self.disk = HardDisk()
        self.comparator = lambda pcb1, pcb2: pcb1.getPriority() > pcb2.getPriority()  # the greater, the better
        self.readyQueue = OwnHeap(self.semaphore, self.comparator)
        
        # hardware
        self.memory = RAM(1000)
        self.mmu = MMU(1,self.memory)
        self.ioDelivery = IODelivery()
        self.progLoader = ProgramLoader(self.memory, self.disk, self.readyQueue,self.mmu)
        self.imanager = InterruptorManager()      
        self.cpu = CPU(self.memory, self.imanager, self.semaphore,self.mmu)
        self.scheduler = Scheduler(self.cpu, self.readyQueue , 5, self.semaphore)

        
        # devices
        self.spooler = Device('printer', self.imanager)
        self.screen = Device('screen', self.imanager)
        
        self.ioDelivery.newDevice(self.spooler)
        self.ioDelivery.newDevice(self.screen)

        # im 
        self.imanager.setScheduler(self.scheduler)
        self.imanager.setDisk(self.disk)
        self.imanager.setMmu(self.mmu)
        self.imanager.setIODelivery(self.ioDelivery)

        # loading programs
        self.ioInstruction = InstIO('directory', 0)
        self.cpuInstruction = InstCPU('1+1')
        self.prog1 = Program('ls')
        self.prog2 = Program('pwd')
        
        self.prog1.addInstruction(self.cpuInstruction)
        self.prog2.addInstruction(self.ioInstruction)
        
        self.disk.setProgram(self.prog1)
        self.disk.setProgram(self.prog2)
Esempio n. 8
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class CPUTest(unittest.TestCase):

    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1,self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory,self.interruptor, self.semaphore,self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0,[page0,page1,page2],3,4,1,[Page(123)])
        

    def test_when_fetch_then_instruction_valid(self):
        self.expected = self.mov  # Arrange
        self.cpu.setPCB(self.aPcb)

        self.value = self.cpu.fetch()  # Act

        self.assertEquals(self.value , self.expected)  # Assert

    def test_when_fetching_third_intruction_then_IO_interruption(self):
        self.aPcb.runing()
        self.cpu.setPCB(self.aPcb) 
        self.data = [self.aPcb , self.instructionIO] 
        self.cod = 0  # Arrange

        self.cpu.tick()
        self.cpu.tick()  # Act
        self.cpu.tick()

        verify(self.interruptor).ioQueue(self.data, self.cod)  # Assert

    def test_when_fetching_last_instruction_then_pcbEnd_interruption(self):
        page0 = Page(0)
        page1 = Page(1)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        self.anotherPcb = PCB(0,[page0,page1],2,4,1,[123]) #The difference with aPcb, are their sizes... Arrange
        self.anotherPcb.runing()
        self.cpu.setPCB(self.anotherPcb)

        self.cpu.tick()  # Act
        self.cpu.tick()
        self.cpu.tick()

        verify(self.interruptor, 1).kill(self.anotherPcb.getPid())  # Assert
Esempio n. 9
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class OperativeSystemFactory:
    '''
    @summary: useful for some components's abstraction. Returns different kernels, for multiple purposes
    '''
    def __init__(self, disk, ram, frameSize, mainConsole):
        '''
        @param HardDiskDrive: an HDD with some programs loaded.
        @param MemoryRam
        @param frameSize
        '''
        self.disk = disk
        self.ram = ram
        self.condition = Condition()
        self.mmu = MMU(frameSize, ram)
        self.console = mainConsole

    #####################
    # TIPOS DE SCHEDULERS#
    #####################
    def roundRobin(self, quantum):
        '''
        @return: given a <quantum>, returns a Round Robbin configured kernel, with quantum <quantum>
        '''
        self.imanager = InterruptorManager()
        self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
        self.queue = OwnQueue(self.condition)
        self.scheduler = Scheduler(self.cpu, self.queue, quantum,
                                   self.condition)
        return self.__build(self.queue, self.scheduler)

    def fifo(self):
        '''
        @return: a FIFO kernel
        '''
        self.imanager = InterruptorManager()
        self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
        self.queue = OwnQueue(self.condition)
        self.scheduler = Scheduler(self.cpu, self.queue, -1, self.condition)
        return self.__build(self.queue, self.scheduler)

    def withPriority(self):
        '''
        @return: a Priority kernel
        '''
        self.imanager = InterruptorManager()
        self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
        self.func = lambda pcb1, pcb2: pcb1.getPriority() >= pcb2.getPriority()
        self.queue = OwnHeap(self.condition, self.func)
        self.scheduler = Scheduler(self.cpu, self.queue, -1, self.condition)
        return self.__build(self.queue, self.scheduler)

    def roundRobin_withPriority(self, quantum):
        '''
        @return: given a <quantum> it returns a Priority-RR kernel with quantum <quantum>
        '''
        self.imanager = InterruptorManager()
        self.cpu = CPU(self.ram, self.imanager, self.condition, self.mmu)
        self.func = lambda pcb1, pcb2: pcb1.getPriority() >= pcb2.getPriority()
        self.queue = OwnHeap(self.condition, self.func)
        self.scheduler = Scheduler(self.cpu, self.queue, quantum,
                                   self.condition)
        return self.__build(self.queue, self.scheduler)

    def __build(self, queue, scheduler):

        # miscellaneous
        self.ioDelivery = IODelivery()
        #hardware
        self.progLoader = ProgramLoader(self.ram, self.disk, queue, self.mmu)
        # InterruptorManager
        self.imanager.setScheduler(scheduler)
        self.imanager.setDisk(self.disk)
        self.imanager.setMmu(self.mmu)
        self.imanager.setIODelivery(self.ioDelivery)
        self.imanager.setSemaphore(self.condition)
        self.imanager.setPcbTable(self.progLoader.getPcbTable())
        self.imanager.setProgramLoader(self.progLoader)

        self.loggerCpu = CpuFileLogger("../log/cpu_log", self.console)
        self.cpu.setLogger(self.loggerCpu)

        self.clock = Clock(self.cpu)

        return Kernel(self.clock, self.progLoader, self.imanager,
                      self.ioDelivery)
Esempio n. 10
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class CPUTest(unittest.TestCase):
    def setUp(self):
        self.memory = RAM(65535)
        self.mmu = MMU(1, self.memory)

        self.scheduler = Mock()
        self.hdd = Mock()
        self.queue = Mock()
        self.interruptor2 = Mock()
        self.interruptor = Mock()
        self.logger = Mock()

        self.semaphore = RLock()

        self.cpu = CPU(self.memory, self.interruptor, self.semaphore, self.mmu)
        self.cpu.setLogger(self.logger)
        self.clock = Clock(self.cpu)

        self.mov = InstCPU("Matar a Flanders")
        self.Instruction2 = InstCPU("Y Tambien A Selma")
        self.instructionIO = InstIO("Soy de IO", 0)

        self.memory.putDir(0, self.mov)
        self.memory.putDir(1, self.Instruction2)
        self.memory.putDir(2, self.instructionIO)
        page0 = Page(0)
        page1 = Page(1)
        page2 = Page(2)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        page2.changeMemoryFlag()
        self.aPcb = PCB(0, [page0, page1, page2], 3, 4, 1, [Page(123)])

    def test_when_fetch_then_instruction_valid(self):
        self.expected = self.mov  # Arrange
        self.cpu.setPCB(self.aPcb)

        self.value = self.cpu.fetch()  # Act

        self.assertEquals(self.value, self.expected)  # Assert

    def test_when_fetching_third_intruction_then_IO_interruption(self):
        self.aPcb.runing()
        self.cpu.setPCB(self.aPcb)
        self.data = [self.aPcb, self.instructionIO]
        self.cod = 0  # Arrange

        self.cpu.tick()
        self.cpu.tick()  # Act
        self.cpu.tick()

        verify(self.interruptor).ioQueue(self.data, self.cod)  # Assert

    def test_when_fetching_last_instruction_then_pcbEnd_interruption(self):
        page0 = Page(0)
        page1 = Page(1)
        page0.changeMemoryFlag()
        page1.changeMemoryFlag()
        self.anotherPcb = PCB(
            0, [page0, page1], 2, 4, 1,
            [123])  #The difference with aPcb, are their sizes... Arrange
        self.anotherPcb.runing()
        self.cpu.setPCB(self.anotherPcb)

        self.cpu.tick()  # Act
        self.cpu.tick()
        self.cpu.tick()

        verify(self.interruptor, 1).kill(self.anotherPcb.getPid())  # Assert