add mode to support one cycle execute

Author: Amir-Shamsi

FCFS_algo.py

@@ -7,8 +7,10 @@
 class FCFS:
  processes = []
  grantt_chart = []
+ mode = ''
 
- def __init__(self, processes):
+ def __init__(self, processes, mode=''):
+ self.mode = mode
  self.processes = processes
 
  def cpu_process(self):
@@ -21,7 +23,8 @@ def cpu_process(self):
  process.arrival_time + process.cpu_burst_time1 + process.io_time, # sec cpu start
  process.arrival_time + process.cpu_burst_time1, # first cpu end
  process.arrival_time + process.cpu_burst_time1 + process.io_time, # io end time
- process.arrival_time + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2) # sec cpu end
+ process.arrival_time + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2)
+ # sec cpu end
  )
  else:
  prev_process_grantt = self.grantt_chart[len(self.grantt_chart) - 1]
@@ -30,19 +33,25 @@ def cpu_process(self):
  ProcessGrantInfo(process,
  prev_process_grantt.get_end_time() + 0, # first cpu start
  prev_process_grantt.get_end_time() + process.cpu_burst_time1, # io start time
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time, # sec cpu start
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time,
+ # sec cpu start
  prev_process_grantt.get_end_time() + process.cpu_burst_time1, # first cpu end
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time, # io end time
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2) # sec cpu end
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time,
+ # io end time
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2)
+ # sec cpu end
  )
  else:
  self.grantt_chart.append(
  ProcessGrantInfo(process,
  process.arrival_time, # first cpu start
  prev_process_grantt.get_end_time() + process.cpu_burst_time1, # io start time
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time, # sec cpu start
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time,
+ # sec cpu start
  prev_process_grantt.get_end_time() + process.cpu_burst_time1, # first cpu end
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time, # io end time
- prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2) # sec cpu end
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time,
+ # io end time
+ prev_process_grantt.get_end_time() + process.cpu_burst_time1 + process.io_time + process.cpu_burst_time2)
+ # sec cpu end
  )
- return self.grantt_chart
+ return self.grantt_chart