mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-30 16:29:12 +00:00
110 lines
3 KiB
Python
110 lines
3 KiB
Python
# File: Queue.py
|
|
# Author: Carl Allendorph
|
|
# Date: 05NOV2014
|
|
#
|
|
# Description:
|
|
# This file contains the implementation of a Queue Inspector
|
|
# class.
|
|
#
|
|
|
|
import gdb
|
|
from .List import ListInspector
|
|
from .Task import TaskInspector
|
|
|
|
|
|
class QueueMode:
|
|
QUEUE = 0
|
|
MUTEX = 1
|
|
COUNTING = 2
|
|
BINARY = 3
|
|
RECURSIVE = 4
|
|
|
|
Map = None
|
|
|
|
@staticmethod
|
|
def IsValid(qType):
|
|
if (
|
|
qType == QueueMode.QUEUE
|
|
or qType == QueueMode.MUTEX
|
|
or qType == QueueMode.COUNTING
|
|
or qType == QueueMode.BINARY
|
|
or qType == QueueMode.RECURSIVE
|
|
):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
|
|
QueueMap = {
|
|
"mutex": QueueMode.MUTEX,
|
|
"queue": QueueMode.QUEUE,
|
|
"semaphore": QueueMode.BINARY,
|
|
"counting": QueueMode.COUNTING,
|
|
"recursive": QueueMode.RECURSIVE,
|
|
}
|
|
|
|
QueueMode.Map = QueueMap
|
|
|
|
|
|
class QueueInspector:
|
|
|
|
QueueType = gdb.lookup_type("Queue_t")
|
|
|
|
def __init__(self, handle):
|
|
""""""
|
|
# print("Queue: Handle: %s" % handle)
|
|
self.name = None
|
|
queueObjPtr = None
|
|
if type(handle) == gdb.Value:
|
|
queueObjPtr = handle.cast(QueueInspector.QueueType.pointer())
|
|
self._queue = queueObjPtr.dereference()
|
|
else:
|
|
queueObjPtr = gdb.Value(handle).cast(QueueInspector.QueueType.pointer())
|
|
self._queue = queueObjPtr.dereference()
|
|
|
|
def GetName(self):
|
|
return self.name
|
|
|
|
def SetName(self, name):
|
|
self.name = name
|
|
|
|
def GetTasksWaitingToSend(self):
|
|
"""Retrieve a list of gdb.Value objects of type
|
|
TCB that are the tasks that are currently waiting to
|
|
send data on this queue object.
|
|
"""
|
|
sendList = ListInspector(self._queue["xTasksWaitingToSend"])
|
|
|
|
return sendList.GetElements(TaskInspector.TCBType)
|
|
|
|
def GetTasksWaitingToReceive(self):
|
|
"""Retrieve a list of gdb.Value objects of Type
|
|
TCB that are the tasks that are currently waiting to
|
|
receive data on this queue object.
|
|
"""
|
|
rxList = ListInspector(self._queue["xTasksWaitingToReceive"])
|
|
return rxList.GetElements(TaskInspector.TCBType)
|
|
|
|
def GetQueueMessagesWaiting(self):
|
|
"""Return the number of messages waiting as a
|
|
L{gdb.Value} object
|
|
"""
|
|
return self._queue["uxMessagesWaiting"]
|
|
|
|
def GetQueueType(self):
|
|
"""Return the Type of the Queue as a enumerated number"""
|
|
try:
|
|
qType = self._queue["ucQueueType"]
|
|
if QueueMode.IsValid(int(qType)):
|
|
return qType
|
|
else:
|
|
raise ValueError(
|
|
"Invalid Queue Type In Queue Object! Are you sure this is a Queue Handle?"
|
|
)
|
|
|
|
except Exception as exc:
|
|
# If the TRACE functionality of the RTOS is not enabled,
|
|
# then the queue type will not be availabe in the queue
|
|
# handle - so we return None
|
|
print("Failed to get Type: %s" % str(exc))
|
|
return None
|