def annotation(x):
try:
entity = x.getString("entity")
starttime = x.getString("starttime")
endtime = x.getString("endtime")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
str_sec = is_to_unixtime_seconds(starttime)
end_sec = is_to_unixtime_seconds(endtime)
time = [(int(end_sec) + int(str_sec)) // 2 * 1000]
title = [entity]
tags = ["test1,test2"]
text = ["test text"]
vals = {
"column0": [pva.ULONG],
"column1": [pva.STRING],
"column2": [pva.STRING],
"column3": [pva.STRING]
}
table = pva.PvObject({
"labels": [pva.STRING],
"value": vals
}, "epics:nt/NTTable:1.0")
table.setScalarArray("labels", ["time", "title", "tags", "text"])
table.setStructure("value", {
"column0": time,
"column1": title,
"column2": tags,
"column3": text
})
return table
def search(x):
try:
query = x.getString("entity")
name = x.getString("name")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
org_value = ENTITIES if str(name) == "entity" else []
value = [val for val in org_value if val.startswith(query)]
pv = pva.PvObject({"value": [pva.STRING]}, "epics:nt/NTScalarArray:1.0")
pv["value"] = value
return pv
def search_nturi_style(self, x):
try:
query = x.getStructure("query")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
q_po = pva.PvObject({
"entity": pva.STRING,
"name": pva.STRING,
})
q_po.setString("entity", query["entity"])
q_po.setString("name", query["name"])
pv = self.search(q_po)
return pv
def get(x):
try:
entity = x.getString("entity")
starttime = x.getString("starttime")
endtime = x.getString("endtime")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
param1 = x.getString("param1") if x.hasField("param1") else None
str_sec = is_to_unixtime_seconds(starttime)
end_sec = is_to_unixtime_seconds(endtime)
if entity == "sine" or entity == "cos":
data = get_sine_cos(entity, str_sec, end_sec, param1)
elif entity == "string":
data = get_string(str_sec, end_sec)
elif entity == "point3":
data = get_point3(str_sec, end_sec)
else:
data = get_ramp(str_sec, end_sec, param1)
value = data["value"]
seconds = data["secondsPastEpoch"]
nano = data["nano"]
val_type = data["type"]
vals = {
"column0": [val_type],
"column1": [pva.DOUBLE],
"column2": [pva.DOUBLE]
}
table = pva.PvObject({
"labels": [pva.STRING],
"value": vals
}, "epics:nt/NTTable:1.0")
table.setScalarArray("labels",
["value", "secondsPastEpoch", "nanoseconds"])
table.setStructure("value", {
"column0": value,
"column1": seconds,
"column2": nano
})
return table
def get_nturi_style(self, x):
try:
query = x.getStructure("query")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
q_po = pva.PvObject({
"entity": pva.STRING,
"starttime": pva.STRING,
"endtime": pva.STRING,
"param1": pva.STRING
})
q_po.setString("entity", query["entity"])
q_po.setString("starttime", query["starttime"])
q_po.setString("endtime", query["endtime"])
q_po.setString("param1", query["param1"])
table = self.get(q_po)
return table
def get(self, x):
try:
entity = x.getString("entity")
starttime = x.getString("starttime")
endtime = x.getString("endtime")
except (pva.FieldNotFound, pva.InvalidRequest):
return pva.PvString("error")
param1 = int(x.getString("param1")) if x.hasField("param1") else 0
str_sec = self.is_to_unixtime_seconds(starttime)
end_sec = self.is_to_unixtime_seconds(endtime)
if entity == "table":
table = self.get_table(entity, str_sec, end_sec, param1)
elif entity == "error":
table = pva.PvInt(1000)
else:
table = self.get_timesrie(entity, str_sec, end_sec, param1)
return table
def __init__(self):
pva.PvaServer.__init__(self)
self.booleanPv = pva.PvBoolean()
self.addRecord(self.BOOLEAN_CHANNEL_NAME, self.booleanPv)
self.bytePv = pva.PvByte()
self.addRecord(self.BYTE_CHANNEL_NAME, self.bytePv)
self.ubytePv = pva.PvUByte()
self.addRecord(self.UBYTE_CHANNEL_NAME, self.ubytePv)
self.shortPv = pva.PvShort()
self.addRecord(self.SHORT_CHANNEL_NAME, self.shortPv)
self.ushortPv = pva.PvUShort()
self.addRecord(self.USHORT_CHANNEL_NAME, self.ushortPv)
self.intPv = pva.PvInt()
self.addRecord(self.INT_CHANNEL_NAME, self.intPv)
self.uintPv = pva.PvUInt()
self.addRecord(self.UINT_CHANNEL_NAME, self.uintPv)
self.longPv = pva.PvLong()
self.addRecord(self.LONG_CHANNEL_NAME, self.longPv)
self.ulongPv = pva.PvULong()
self.addRecord(self.ULONG_CHANNEL_NAME, self.ulongPv)
self.floatPv = pva.PvFloat()
self.addRecord(self.FLOAT_CHANNEL_NAME, self.floatPv)
self.doublePv = pva.PvDouble()
self.addRecord(self.DOUBLE_CHANNEL_NAME, self.doublePv)
self.stringPv = pva.PvString('')
self.addRecord(self.STRING_CHANNEL_NAME, self.stringPv)
def table(x):
ntTable = pvaccess.NtTable(x)
col1 = ntTable.getColumn(1)
print "server got column 1"
r = pvaccess.PvString('abcd')
return r