app.SystemCommandHandler.SystemCommandHandler Class Reference

Class SystemCommandHandler for support different system command. More...

Inheritance diagram for app.SystemCommandHandler.SystemCommandHandler:

Collaboration diagram for app.SystemCommandHandler.SystemCommandHandler:

Public Member Functions
def	__init__ (self, logger=None)
	Constructor. More...
def	execute (self, typeNumber, inputData=None)
	Execute system command. More...
def	onGarbageCollectorCleanupHandler (self, inputData=None)
	Handler of garbage collector cleanup. More...

Public Attributes
	logger
	errorMsg
	handlers

Static Public Attributes
string	ERROR_NOT_SUPPORTED_TYPE = 'Not supported type of SystemCommandHandler'
	Constans of error messages. More...
int	ERROR_OK = 0
	Constans error codes. More...
int	ERROR_FAIL = 1

Detailed Description

Class SystemCommandHandler for support different system command.

Definition at line 20 of file SystemCommandHandler.py.

Constructor & Destructor Documentation

__init__()

def app.SystemCommandHandler.SystemCommandHandler.__init__	(		self,
			logger = None
	)

Constructor.

Parameters

logger

- logger instance

Definition at line 29 of file SystemCommandHandler.py.

  def __init__(self, logger=None):
    self.logger = logger
    self.errorMsg = ''
    self.handlers = [self.onGarbageCollectorCleanupHandler]

Member Function Documentation

execute()

def app.SystemCommandHandler.SystemCommandHandler.execute	(		self,
			typeNumber,
			inputData = None
	)

Execute system command.

Parameters

typeNumber	- type number of system command as integer
inputData	- input data

Returns

error code ERROR_OK if success, ERROR_FAIL othewise

Definition at line 40 of file SystemCommandHandler.py.

  def execute(self, typeNumber, inputData=None):
    #variable for result
    ret = self.ERROR_FAIL
    if self.logger is not None:
      self.logger.debug('type: ' + str(typeNumber))

    try:
      if int(typeNumber) >= len(self.handlers) or int(typeNumber) < 0:
        raise Exception(self.ERROR_NOT_SUPPORTED_TYPE + ' (' + str(typeNumber) + ')')

      (self.handlers[int(typeNumber)])(inputData)
      ret = self.ERROR_OK
    except Exception, err:
      self.errorMsg = str(err)

    return ret

onGarbageCollectorCleanupHandler()

def app.SystemCommandHandler.SystemCommandHandler.onGarbageCollectorCleanupHandler	(		self,
			inputData = None
	)

Handler of garbage collector cleanup.

Parameters

inputData

- input data

Definition at line 61 of file SystemCommandHandler.py.

  def onGarbageCollectorCleanupHandler(self, inputData=None):  # pylint: disable=W0613
    gc.collect()
    if self.logger is not None:
      self.logger.debug('Memory usage: %s (kb)' % resource.getrusage(resource.RUSAGE_SELF).ru_maxrss)
      self.logger.debug('GC generations count: ' + str(gc.get_count()))

Member Data Documentation

ERROR_FAIL

int app.SystemCommandHandler.SystemCommandHandler.ERROR_FAIL = 1

static

Definition at line 25 of file SystemCommandHandler.py.

ERROR_NOT_SUPPORTED_TYPE

string app.SystemCommandHandler.SystemCommandHandler.ERROR_NOT_SUPPORTED_TYPE = 'Not supported type of SystemCommandHandler'

static

Constans of error messages.

Definition at line 22 of file SystemCommandHandler.py.

ERROR_OK

int app.SystemCommandHandler.SystemCommandHandler.ERROR_OK = 0

static

Constans error codes.

Definition at line 24 of file SystemCommandHandler.py.

errorMsg

app.SystemCommandHandler.SystemCommandHandler.errorMsg

Definition at line 31 of file SystemCommandHandler.py.

handlers

app.SystemCommandHandler.SystemCommandHandler.handlers

Definition at line 32 of file SystemCommandHandler.py.

logger

app.SystemCommandHandler.SystemCommandHandler.logger

Definition at line 30 of file SystemCommandHandler.py.

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The documentation for this class was generated from the following file:

• sources/hce/app/SystemCommandHandler.py