def eBindToReqRep(self, iDir):
"""
We bind on our Metatrader end, and connect from the scripts.
"""
assert iDir in [zmq.REP, zmq.REQ]
if self.oReqRepSocket is None:
oReqRepSocket = self.oContext.socket(iDir)
assert oReqRepSocket, "eBindToReqRep: oReqRepSocket is null"
assert self.iReqRepPort, "eBindToReqRep: iReqRepPort is null"
sUrl = 'tcp://%s:%d' % (self.sHostAddress, self.iReqRepPort,)
vInfo("eBindToReqRep: Binding to %d: %s" % (iDir, sUrl,))
sys.stdout.flush()
oReqRepSocket.bind(sUrl)
self.oReqRepSocket = oReqRepSocket
def eConnectToReqRep(self, iDir):
"""
We bind on the Metatrader end, and connect from the scripts.
"""
if self.oReqRepSocket is None:
assert iDir in [zmq.REP, zmq.REQ], \
"iDir not in [zmq.REP, zmq.REQ]: " +str(iDir)
oReqRepSocket = self.oContext.socket(iDir)
assert oReqRepSocket, "eConnectToReqRep: oReqRepSocket is null"
assert self.iReqRepPort, "eConnectToReqRep: iReqRepPort is null"
sUrl = 'tcp://%s:%d' % (self.sHostAddress, self.iReqRepPort,)
vInfo("eConnectToReqRep: Connecting to %d: %s" % (iDir, sUrl,))
sys.stdout.flush()
oReqRepSocket.connect(sUrl)
self.oReqRepSocket = oReqRepSocket
return ""
def eBindToSubPub(self, iDir=zmq.PUB):
"""
We bind on this Metatrader end, and connect from the scripts.
This is called by Metatrader.
"""
if self.oSubPubSocket is None:
assert iDir in [zmq.PUB, zmq.SUB]
oSubPubSocket = self.oContext.socket(iDir)
assert oSubPubSocket, "eBindToSub: oSubPubSocket is null"
assert self.iSubPubPort, "eBindToSub: iSubPubPort is null"
sUrl = 'tcp://%s:%d' % (self.sHostAddress, self.iSubPubPort,)
vInfo("eBindToSub: Binding to SUB " +sUrl)
sys.stdout.flush()
oSubPubSocket.bind(sUrl)
time.sleep(0.1)
self.oSubPubSocket = oSubPubSocket
def eBindToSubPub(self, iDir=zmq.PUB):
"""
We bind on this Metatrader end, and connect from the scripts.
This is called by Metatrader.
"""
if self.oSubPubSocket is None:
assert iDir in [zmq.PUB, zmq.SUB]
oSubPubSocket = self.oContext.socket(iDir)
assert oSubPubSocket, "eBindToSub: oSubPubSocket is null"
assert self.iSubPubPort, "eBindToSub: iSubPubPort is null"
sUrl = 'tcp://%s:%d' % (
self.sHostAddress,
self.iSubPubPort,
)
vInfo("eBindToSub: Binding to SUB " + sUrl)
sys.stdout.flush()
oSubPubSocket.bind(sUrl)
time.sleep(0.1)
self.oSubPubSocket = oSubPubSocket
def bCloseContextSockets(self):
"""
same
"""
if self.oReqRepSocket:
self.oReqRepSocket.setsockopt(zmq.LINGER, 0)
time.sleep(0.1)
self.oReqRepSocket.close()
if self.oSubPubSocket:
self.oSubPubSocket.setsockopt(zmq.LINGER, 0)
time.sleep(0.1)
self.oSubPubSocket.close()
if self.iDebugLevel >= 1:
vInfo("destroying the context")
sys.stdout.flush()
time.sleep(0.1)
self.oContext.destroy()
self.oContext = None
return True
def bCloseContextSockets(self):
"""
same
"""
if self.oReqRepSocket:
self.oReqRepSocket.setsockopt(zmq.LINGER, 0)
time.sleep(0.1)
self.oReqRepSocket.close()
if self.oSubPubSocket:
self.oSubPubSocket.setsockopt(zmq.LINGER, 0)
time.sleep(0.1)
self.oSubPubSocket.close()
if self.iDebugLevel >= 1:
vInfo("destroying the context")
sys.stdout.flush()
time.sleep(0.1)
self.oContext.destroy()
self.oContext = None
return True
def eBindToReqRep(self, iDir):
"""
We bind on our Metatrader end, and connect from the scripts.
"""
assert iDir in [zmq.REP, zmq.REQ]
if self.oReqRepSocket is None:
oReqRepSocket = self.oContext.socket(iDir)
assert oReqRepSocket, "eBindToReqRep: oReqRepSocket is null"
assert self.iReqRepPort, "eBindToReqRep: iReqRepPort is null"
sUrl = 'tcp://%s:%d' % (
self.sHostAddress,
self.iReqRepPort,
)
vInfo("eBindToReqRep: Binding to %d: %s" % (
iDir,
sUrl,
))
sys.stdout.flush()
oReqRepSocket.bind(sUrl)
self.oReqRepSocket = oReqRepSocket
def eConnectToReqRep(self, iDir):
"""
We bind on the Metatrader end, and connect from the scripts.
"""
if self.oReqRepSocket is None:
assert iDir in [zmq.REP, zmq.REQ], \
"iDir not in [zmq.REP, zmq.REQ]: " +str(iDir)
oReqRepSocket = self.oContext.socket(iDir)
assert oReqRepSocket, "eConnectToReqRep: oReqRepSocket is null"
assert self.iReqRepPort, "eConnectToReqRep: iReqRepPort is null"
sUrl = 'tcp://%s:%d' % (
self.sHostAddress,
self.iReqRepPort,
)
vInfo("eConnectToReqRep: Connecting to %d: %s" % (
iDir,
sUrl,
))
sys.stdout.flush()
oReqRepSocket.connect(sUrl)
self.oReqRepSocket = oReqRepSocket
return ""
def eConnectToSubPub(self, lTopics, iDir=zmq.SUB):
"""
We bind on this Metatrader end, and connect from the scripts.
This is called by the scripts.
"""
if self.oSubPubSocket is None:
assert iDir in [zmq.PUB, zmq.SUB], \
"iDir not in [zmq.PUB, zmq.SUB]: " +str(iDir)
oSubPubSocket = self.oContext.socket(iDir)
sUrl = "tcp://" +self.sHostAddress +":" +str(self.iSubPubPort)
oSubPubSocket.connect(sUrl)
self.oSubPubSocket = oSubPubSocket
if iDir == zmq.SUB:
if self.iDebugLevel >= 1:
vInfo("Subscribing to: " + sUrl +" with topics " +repr(lTopics))
for sElt in lTopics:
self.oSubPubSocket.setsockopt(zmq.SUBSCRIBE, sElt)
else:
if self.iDebugLevel >= 1:
vInfo("Publishing to: " + sUrl)
return ""
def eConnectToSubPub(self, lTopics, iDir=zmq.SUB):
"""
We bind on this Metatrader end, and connect from the scripts.
This is called by the scripts.
"""
if self.oSubPubSocket is None:
assert iDir in [zmq.PUB, zmq.SUB], \
"iDir not in [zmq.PUB, zmq.SUB]: " +str(iDir)
oSubPubSocket = self.oContext.socket(iDir)
sUrl = "tcp://" + self.sHostAddress + ":" + str(self.iSubPubPort)
oSubPubSocket.connect(sUrl)
self.oSubPubSocket = oSubPubSocket
if iDir == zmq.SUB:
if self.iDebugLevel >= 1:
vInfo("Subscribing to: " + sUrl + " with topics " +
repr(lTopics))
for sElt in lTopics:
self.oSubPubSocket.setsockopt(zmq.SUBSCRIBE, sElt)
else:
if self.iDebugLevel >= 1:
vInfo("Publishing to: " + sUrl)
return ""