class RPCResponseHandler:
def __init__(self, host, port):
self.srv = RpcServer()
self.host = host
self.port = port
@property
def conn(self):
return MongoClient(self.host, self.port)
@property
def database(self):
return self.conn.mockdata
def make_mock_table(self):
cols = {"column0": [DOUBLE], "column1": [DOUBLE], "column2": [DOUBLE]}
colstruct = OrderedDict(sorted(cols.items(), key=lambda t: t[0]))
struct = OrderedDict([("labels", [STRING]), ("value", colstruct)])
pvobj = PvObject(struct)
pvobj.setScalarArray("labels", ["x", "y", "z"])
return pvobj
def get_by_id(self, x):
print("here I am at the query")
id = x.getString("id")
# self.database.find({'id': id})
tbl = self.make_mock_table()
tbl.setStructure({"column0": [0, 1, 2, 3, 5], "column1": [4, 6, 7, 8, 9], "column2": [10, 11, 12, 13, 14]})
return tbl
def get_by_time(self, x):
print("here I am at the query")
id = x.getDouble("time")
# self.database.find({'id': id})
tbl = self.make_mock_table()
tbl.setStructure({"column0": [0, 1, 2, 3, 5], "column1": [4, 6, 7, 8, 9], "column2": [10, 11, 12, 13, 14]})
return tbl
def register_listen(self):
self.srv.registerService("get_by_id", self.get_by_id)
self.srv.registerService("get_by_time", self.get_by_time)
self.srv.listen()
#!/usr/bin/env python
import time
from pvaccess import PvObject
from pvaccess import RpcServer
from pvaccess import STRING
### pvAccess RPC server
def echo(x): # x is an instance of PvObject
print 'Got object: ', x
return x
srv = RpcServer()
srv.registerService('echo', echo)
# Listen in interactive mode for couple of minutes
print 'Starting server listener'
srv.startListener()
cnt = 30
while cnt > 0:
print('Remaining listener uptime: %d' % cnt)
time.sleep(1)
cnt = cnt - 1
print 'Stopping server listener'
srv.stopListener()
def __init__(self, host, port):
self.srv = RpcServer()
self.host = host
self.port = port
