dectris.albula.DMessageQueue Class Reference

Class DMessageQueue opens a message queue to communicate between processes. More...

Public Member Functions
def	DMessageQueue ()
	construct DMessageQueue More...
def	DMessageQueue (name)
	construct and open DMessageQueue Same as DMessageQueue m; m.open(identifier) More...
def	open (name)
	open the message queue More...
def	close ()
	close the message queue More...
def	send (message)
	send a message. More...
def	send (img)
	Send a DImage over the message queue. More...
def	send (paintList)
	Send a List of elements of type DDrawingPrimitive over the message queue. More...
def	receive ()
	receive a message More...
def	receive (img)
	receive a DImage previously sent by send() and write it to img More...

Detailed Description

Class DMessageQueue opens a message queue to communicate between processes.

Constructor & Destructor Documentation

DMessageQueue() [1/2]

def dectris.albula.DMessageQueue.DMessageQueue

(

)

construct DMessageQueue

DMessageQueue() [2/2]

def dectris.albula.DMessageQueue.DMessageQueue

(

name

)

construct and open DMessageQueue Same as DMessageQueue m; m.open(identifier)

Member Function Documentation

close()

def dectris.albula.DMessageQueue.close

(

)

close the message queue

open()

def dectris.albula.DMessageQueue.open

(

name

)

open the message queue

• name Name of the message queue.

receive() [1/2]

def dectris.albula.DMessageQueue.receive

(

)

receive a message

Returns

received message

receive() [2/2]

def dectris.albula.DMessageQueue.receive

(

img

)

receive a DImage previously sent by send() and write it to img

Parameters

img	Received image is written there.

send() [1/3]

def dectris.albula.DMessageQueue.send

(

img

)

Send a DImage over the message queue.

Parameters

img	to be sent

send() [2/3]

def dectris.albula.DMessageQueue.send

(

message

)

send a message.

Maximum size of message: 4096 bytes.

Parameters

message

to be sent

send() [3/3]

def dectris.albula.DMessageQueue.send

(

paintList

)

Send a List of elements of type DDrawingPrimitive over the message queue.

Parameters

paintList

list of elements of type DDrawingPrimitive