zbxepics.casender¶

PriorityPeekQueue¶

class zbxepics.casender.peekqueue.PriorityPeekQueue(maxsize=0)¶

Bases: Queue.PriorityQueue

PriorityQueue class with peek method

peek()¶

Return the first data.

Returns:	the head of this queue. If the queue is empty, None is returned.
Return type:	obj

Item Factory¶

class zbxepics.casender.item.factory.IntervalItemFactory¶

Factory for creating interval item

DEFAULT_FUNCTION = 'last'¶

classmethod create_item(host, pvname, interval=30.0, func='last', item_key=None)¶

Create interval item

Parameters:	host (str) – host name of item pvname (str) – pv name to monitor interval (float) – interval in senconds to send (default is 30) func (str) – function to apply item buffer (default is ‘last’) item_key (str) – item key of item (default is None)
Returns:	created item
Return type:	item.IntervalItem

classmethod list_of_functions()¶

get a list of functions

Returns:	list of functions
Return type:	list

class zbxepics.casender.item.factory.MonitorItemFactory¶

Factory for creating monitor item

classmethod create_item(host, pvname, item_key=None)¶

Create monitor item

Returns:	created item
Return type:	item.MonitorItem

Monitor item¶

class zbxepics.casender.item.monitoritem.MonitorItem(host, pvname, item_key=None)¶

Bases: object

a class for monitor item

host¶

host name of item

Type:	str

pvname¶

pv name to monitor

Type:	str

pv¶

pv object to be monitored

Type:	epics.PV

item_key¶

item key of item

Type:	str

__metric_q¶

queue of ZabbixMetric

Type:	queue.Queue

get_metrics()¶

Get metrics

Returns:	All metrics in queue
Return type:	list of pyzabbix.ZabbixMetric

Interval Item¶

class zbxepics.casender.item.intervalitem.IntervalItem(host, pvname, interval=30.0, item_key=None)¶

Bases: object

a class for interval item

host¶

host name of item

Type:	str

pvname¶

pv name to monitor

Type:	str

pv¶

pv object to be monitored

Type:	epics.PV

item_key¶

item key of item

Type:	str

interval¶

interval in senconds to send

Type:	float

value¶

value to be got

Type:	obj

__last_value¶

last got value

Type:	obj

_lock¶

lock for value

Type:	threading.Lock()

DEFAULT_INTERVAL = 30.0¶

get_metrics()¶

Get Zabbix Metircs

Returns:	list of zabbix metric
Return type:	list of pyzabbix.ZabbixMetric

class zbxepics.casender.item.intervalitem.IntervalItemAvg(host, pvname, interval=30.0, item_key=None)¶

Bases: zbxepics.casender.item.intervalitem.IntervalItem

a class for average interval item

sum¶

sum of values

Type:	int or float

count¶

counts of value change

Type:	int

class zbxepics.casender.item.intervalitem.IntervalItemLast(host, pvname, interval=30.0, item_key=None)¶

Bases: zbxepics.casender.item.intervalitem.IntervalItem

a class for last interval item

class zbxepics.casender.item.intervalitem.IntervalItemMax(host, pvname, interval=30.0, item_key=None)¶

Bases: zbxepics.casender.item.intervalitem.IntervalItem

a class for max interval item

class zbxepics.casender.item.intervalitem.IntervalItemMin(host, pvname, interval=30.0, item_key=None)¶

Bases: zbxepics.casender.item.intervalitem.IntervalItem

a class for min interval item