old_contents: #!/usr/bin/env python
  import sys, os, time, socket, random
  sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, 'common')))
  import driver, http_admin, scenario_common
  from vcoptparse import *
  
  op = OptParser()
  scenario_common.prepare_option_parser_mode_flags(op)
  opts = op.parse(sys.argv)
  
  def garbage(n):
      return "".join(chr(random.randint(0, 255)) for i in xrange(n))
  
  with driver.Metacluster() as metacluster:
      print "Spinning up a process..."
      cluster = driver.Cluster(metacluster)
      executable_path, command_prefix, serve_options = scenario_common.parse_mode_flags(opts)
      files = driver.Files(metacluster, db_path = "db-1", executable_path = executable_path, command_prefix = command_prefix)
      proc = driver.Process(cluster, files, log_path = "serve-output-1",
          executable_path = executable_path, command_prefix = command_prefix, extra_options = serve_options)
      proc.wait_until_started_up()
      cluster.check()
      print "Generating garbage traffic..."
      for i in xrange(30):
          print i+1,
          sys.stdout.flush()
          s = socket.socket()
          s.connect(("localhost", proc.cluster_port))
          s.send(garbage(random.randint(0, 500)))
          time.sleep(3)
          s.close()
          cluster.check()
      print
      cluster.check_and_stop()
  print "Done."
  
  with driver.Metacluster() as metacluster:
      print "Spinning up another process..."
      cluster = driver.Cluster(metacluster)
      executable_path, command_prefix  = scenario_common.parse_mode_flags(opts)
      files = driver.Files(metacluster, db_path = "db-2", executable_path = executable_path, command_prefix = command_prefix)
      proc = driver.Process(cluster, files, log_path = "serve-output-2", executable_path = executable_path, command_prefix = command_prefix)
      proc.wait_until_started_up()
      cluster.check()
      print "Opening and holding a connection..."
      s = socket.socket()
      s.connect(("localhost", proc.cluster_port))
      print "Trying to stop cluster..."
      cluster.check_and_stop()
      s.close()
  print "Done."
  
  # TODO: Corrupt actual traffic between two processes instead of generating
  # complete garbage. This might be tricky.
  
new_contents: #!/usr/bin/env python
  import sys, os, time, socket, random
  sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.pardir, 'common')))
  import driver, http_admin, scenario_common
  from vcoptparse import *
  
  op = OptParser()
  scenario_common.prepare_option_parser_mode_flags(op)
  opts = op.parse(sys.argv)
  
  def garbage(n):
      return "".join(chr(random.randint(0, 255)) for i in xrange(n))
  
  with driver.Metacluster() as metacluster:
      print "Spinning up a process..."
      cluster = driver.Cluster(metacluster)
      executable_path, command_prefix, serve_options = scenario_common.parse_mode_flags(opts)
      files = driver.Files(metacluster, db_path = "db-1", executable_path = executable_path, command_prefix = command_prefix)
      proc = driver.Process(cluster, files, log_path = "serve-output-1",
          executable_path = executable_path, command_prefix = command_prefix, extra_options = serve_options)
      proc.wait_until_started_up()
      cluster.check()
      print "Generating garbage traffic..."
      for i in xrange(30):
          print i+1,
          sys.stdout.flush()
          s = socket.socket()
          s.connect(("localhost", proc.cluster_port))
          s.send(garbage(random.randint(0, 500)))
          time.sleep(3)
          s.close()
          cluster.check()
      print
      cluster.check_and_stop()
  print "Done."
  
  with driver.Metacluster() as metacluster:
      print "Spinning up another process..."
      cluster = driver.Cluster(metacluster)
      executable_path, command_prefix, serve_options = scenario_common.parse_mode_flags(opts)
      files = driver.Files(metacluster, db_path = "db-2", executable_path = executable_path, command_prefix = command_prefix)
      proc = driver.Process(cluster, files, log_path = "serve-output-2",
          executable_path = executable_path, command_prefix = command_prefix, extra_options = serve_options)
      proc.wait_until_started_up()
      cluster.check()
      print "Opening and holding a connection..."
      s = socket.socket()
      s.connect(("localhost", proc.cluster_port))
      print "Trying to stop cluster..."
      cluster.check_and_stop()
      s.close()
  print "Done."
  
  # TODO: Corrupt actual traffic between two processes instead of generating
  # complete garbage. This might be tricky.
  
subject: Fix net_corruption.py.