def processEvent(self, event, session):
global g_availableTopicCount, g_running
if event.eventType() == blpapi.Event.SESSION_STATUS:
for msg in event:
print msg
if msg.messageType() == SESSION_TERMINATED:
g_running = False
elif event.eventType() == blpapi.Event.TOPIC_STATUS:
topicList = blpapi.TopicList()
for msg in event:
print msg
if msg.messageType() == TOPIC_SUBSCRIBED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
# TopicList knows how to add an entry based on a
# TOPIC_SUBSCRIBED message.
topicList.add(msg)
g_streams[topicStr] = MyStream(
topicStr, self.fields)
stream = g_streams[topicStr]
stream.isSubscribed = True
if stream.isAvailable():
g_availableTopicCount += 1
g_condition.notifyAll()
elif msg.messageType() == TOPIC_UNSUBSCRIBED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
# We should never be coming here.
# TOPIC_UNSUBSCRIBED can not come before
# a TOPIC_SUBSCRIBED or TOPIC_CREATED
continue
stream = g_streams[topicStr]
if stream.isAvailable():
g_availableTopicCount -= 1
g_condition.notifyAll()
stream.isSubscribed = False
elif msg.messageType() == TOPIC_CREATED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
g_streams[topicStr] = MyStream(
topicStr, self.fields)
stream = g_streams[topicStr]
try:
stream.topic = session.getTopic(msg)
except blpapi.Exception as e:
print "Exception while processing " \
"TOPIC_CREATED: %s" % e
continue
if stream.isAvailable():
g_availableTopicCount = g_availableTopicCount + 1
g_condition.notifyAll()
elif msg.messageType() == TOPIC_RECAP:
# Here we send a recap in response to a Recap request.
try:
topicStr = msg.getElementAsString("topic")
recapEvent = None
with g_mutex:
if topicStr not in g_streams:
continue
stream = g_streams[topicStr]
if not stream.isAvailable():
continue
topic = session.getTopic(msg)
service = topic.service()
recapCid = msg.correlationIds()[0]
recapEvent = service.createPublishEvent()
elementDef = \
service.getEventDefinition(self.messageType)
eventFormatter = blpapi.EventFormatter(recapEvent)
eventFormatter.appendRecapMessage(topic, recapCid)
stream.fillData(eventFormatter, elementDef)
session.publish(recapEvent)
except blpapi.Exception as e:
print "Exception while processing TOPIC_RECAP: %s" % e
continue
if topicList.size() > 0:
# createTopicsAsync will result in RESOLUTION_STATUS,
# TOPIC_CREATED events.
session.createTopicsAsync(topicList)
elif event.eventType() == blpapi.Event.RESOLUTION_STATUS:
for msg in event:
print msg
elif event.eventType() == blpapi.Event.REQUEST:
service = session.getService(self.serviceName)
for msg in event:
print msg
if msg.messageType() == PERMISSION_REQUEST:
# Similar to createPublishEvent. We assume just one
# service - self.serviceName. A responseEvent can only be
# for single request so we can specify the correlationId -
# which establishes context - when we create the Event.
response = \
service.createResponseEvent(msg.correlationIds()[0])
permission = 1 # ALLOWED: 0, DENIED: 1
ef = blpapi.EventFormatter(response)
if msg.hasElement("uuid"):
uuid = msg.getElementAsInteger("uuid")
permission = 0
if msg.hasElement("applicationId"):
applicationId = \
msg.getElementAsInteger("applicationId")
permission = 0
# In appendResponse the string is the name of the
# operation, the correlationId indicates which request we
# are responding to.
ef.appendResponse("PermissionResponse")
ef.pushElement("topicPermissions")
# For each of the topics in the request, add an entry to
# the response.
topicsElement = msg.getElement(TOPICS).values()
for topic in topicsElement:
ef.appendElement()
ef.setElement("topic", topic)
ef.setElement("result", permission)
if permission == 1: # DENIED
ef.pushElement("reason")
ef.setElement("source", "My Publisher Name")
ef.setElement("category", "NOT_AUTHORIZED")
ef.setElement("subcategory",
"Publisher Controlled")
ef.setElement(
"description",
"Permission denied by My Publisher Name")
ef.popElement()
elif self.eids:
ef.pushElement("permissions")
ef.appendElement()
ef.setElement("permissionService", "//blp/blpperm")
ef.pushElement("eids")
for e in self.eids:
ef.appendValue(e)
ef.popElement()
ef.popElement()
ef.popElement()
ef.popElement()
ef.popElement()
# Service is implicit in the Event. sendResponse has a
# second parameter - partialResponse - that defaults to
# false.
session.sendResponse(response)
else:
for msg in event:
print msg
cids = msg.correlationIds()
with g_mutex:
for cid in cids:
if cid in g_authorizationStatus:
if msg.messageType() == AUTHORIZATION_SUCCESS:
g_authorizationStatus[cid] = \
AuthorizationStatus.AUTHORIZED
else:
g_authorizationStatus[cid] = \
AuthorizationStatus.FAILED
return True
def main():
"""Main function"""
options = parseCmdLine()
# Fill SessionOptions
sessionOptions = prepareZfpSessionOptions(options) \
if options.remote \
else prepareStandardSessionOptions(options)
sessionOptions.setAuthenticationOptions(options.auth)
sessionOptions.setAutoRestartOnDisconnection(True)
myEventHandler = MyEventHandler()
# Create a Session
session = blpapi.ProviderSession(sessionOptions,
myEventHandler.processEvent)
# Start a Session
if not session.start():
print("Failed to start session.")
return
providerIdentity = session.createIdentity()
if options.auth:
isAuthorized = False
authServiceName = "//blp/apiauth"
if session.openService(authServiceName):
authService = session.getService(authServiceName)
isAuthorized = authorize(
authService, providerIdentity, session,
blpapi.CorrelationId("auth"))
if not isAuthorized:
print("No authorization")
return
topicList = blpapi.TopicList()
topicList.add(options.service + options.topic,
blpapi.CorrelationId(MyStream(options.topic)))
# Create topics
session.createTopics(topicList,
blpapi.ProviderSession.AUTO_REGISTER_SERVICES,
providerIdentity)
# createTopics() is synchronous, topicList will be updated
# with the results of topic creation (resolution will happen
# under the covers)
streams = []
for i in range(topicList.size()):
stream = topicList.correlationIdAt(i).value()
status = topicList.statusAt(i)
if status == blpapi.TopicList.CREATED:
stream.topic = session.getTopic(topicList.messageAt(i))
streams.append(stream)
else:
print("Stream '%s': topic not resolved, status = %d" % (
stream.id, status))
service = session.getService(options.service)
try:
# Now we will start publishing
value = 1
while streams and g_running:
event = service.createPublishEvent()
eventFormatter = blpapi.EventFormatter(event)
for stream in streams:
value += 1
eventFormatter.appendMessage(MARKET_DATA, stream.topic)
eventFormatter.setElement("BID", 0.5 * value)
eventFormatter.setElement("ASK", value)
for msg in event:
print(msg)
session.publish(event)
time.sleep(10)
finally:
# Stop the session
session.stop()
def main():
options = parseCmdLine()
# Fill SessionOptions
sessionOptions = blpapi.SessionOptions()
for idx, host in enumerate(options.hosts):
sessionOptions.setServerAddress(host, options.port, idx)
sessionOptions.setAuthenticationOptions(options.auth)
sessionOptions.setAutoRestartOnDisconnection(True)
sessionOptions.setNumStartAttempts(len(options.hosts))
myEventHandler = MyEventHandler()
# Create a Session
session = blpapi.ProviderSession(sessionOptions,
myEventHandler.processEvent)
# Start a Session
if not session.start():
print "Failed to start session."
return
providerIdentity = session.createIdentity()
if options.auth:
isAuthorized = False
authServiceName = "//blp/apiauth"
if session.openService(authServiceName):
authService = session.getService(authServiceName)
isAuthorized = authorize(authService, providerIdentity, session,
blpapi.CorrelationId("auth"))
if not isAuthorized:
print "No authorization"
return
topicList = blpapi.TopicList()
topicList.add(options.service + "/" + options.topic,
blpapi.CorrelationId(MyStream(options.topic)))
# Create topics
session.createTopics(topicList,
blpapi.ProviderSession.AUTO_REGISTER_SERVICES,
providerIdentity)
# createTopics() is synchronous, topicList will be updated
# with the results of topic creation (resolution will happen
# under the covers)
streams = []
for i in xrange(topicList.size()):
stream = topicList.correlationIdAt(i).value()
status = topicList.statusAt(i)
topicString = topicList.topicStringAt(i)
if (status == blpapi.TopicList.CREATED):
stream.topic = session.getTopic(topicList.messageAt(i))
streams.append(stream)
else:
print "Stream '%s': topic not resolved, status = %d" % (stream.id,
status)
service = session.getService(options.service)
try:
# Now we will start publishing
while streams and g_running:
event = service.createPublishEvent()
eventFormatter = blpapi.EventFormatter(event)
for stream in streams:
eventFormatter.appendMessage("PageData", stream.topic)
eventFormatter.pushElement("rowUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 1)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 20)
eventFormatter.setElement("length", 4)
eventFormatter.setElement("text", "TEST")
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 25)
eventFormatter.setElement("length", 4)
eventFormatter.setElement("text", "PAGE")
eventFormatter.popElement()
tm = time.strftime("%X")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 30)
eventFormatter.setElement("length", len(tm))
eventFormatter.setElement("text", tm)
eventFormatter.setElement("attr", "BLINK")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 2)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 20)
eventFormatter.setElement("length", 9)
eventFormatter.setElement("text", "---------")
eventFormatter.setElement("attr", "UNDERLINE")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 3)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 10)
eventFormatter.setElement("length", 9)
eventFormatter.setElement("text", "TEST LINE")
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 23)
eventFormatter.setElement("length", 5)
eventFormatter.setElement("text", "THREE")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.setElement("contributorId",
options.contributorId)
eventFormatter.setElement("productCode", 1)
eventFormatter.setElement("pageNumber", 1)
for msg in event:
print msg
session.publish(event)
time.sleep(10)
finally:
# Stop the session
session.stop()
def processEvent(self, event, session):
global g_availableTopicCount, g_running
if event.eventType() == blpapi.Event.SESSION_STATUS:
for msg in event:
print(msg)
if msg.messageType() == SESSION_TERMINATED:
g_running = False
elif event.eventType() == blpapi.Event.TOPIC_STATUS:
topicList = blpapi.TopicList()
for msg in event:
print(msg)
if msg.messageType() == TOPIC_SUBSCRIBED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
# TopicList knows how to add an entry based on a
# TOPIC_SUBSCRIBED message.
topicList.add(msg)
g_streams[topicStr] = MyStream(topicStr)
stream = g_streams[topicStr]
stream.isSubscribed = True
if stream.isAvailable():
g_availableTopicCount += 1
g_condition.notifyAll()
elif msg.messageType() == TOPIC_UNSUBSCRIBED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
# We should never be coming here.
# TOPIC_UNSUBSCRIBED can not come before
# a TOPIC_SUBSCRIBED or TOPIC_CREATED
continue
stream = g_streams[topicStr]
if stream.isAvailable():
g_availableTopicCount -= 1
g_condition.notifyAll()
stream.isSubscribed = False
elif msg.messageType() == TOPIC_CREATED:
topicStr = msg.getElementAsString("topic")
with g_mutex:
if topicStr not in g_streams:
g_streams[topicStr] = MyStream(topicStr)
stream = g_streams[topicStr]
try:
stream.topic = session.getTopic(msg)
except blpapi.Exception as e:
print("Exception while processing " \
"TOPIC_CREATED: %s" % e)
continue
if stream.isAvailable():
g_availableTopicCount += 1
g_condition.notifyAll()
elif msg.messageType() == TOPIC_RECAP:
# Here we send a recap in response to a Recap request.
try:
topicStr = msg.getElementAsString("topic")
recapEvent = None
with g_mutex:
if topicStr not in g_streams:
continue
stream = g_streams[topicStr]
if not stream.isAvailable():
continue
topic = session.getTopic(msg)
service = topic.service()
recapCid = msg.correlationIds()[0]
recapEvent = service.createPublishEvent()
evFormatter = blpapi.EventFormatter(recapEvent)
evFormatter.appendRecapMessage(topic, recapCid)
evFormatter.setElement("numRows", 25)
evFormatter.setElement("numCols", 80)
evFormatter.pushElement("rowUpdate")
for i in range(1, 6):
evFormatter.appendElement()
evFormatter.setElement("rowNum", i)
evFormatter.pushElement("spanUpdate")
evFormatter.appendElement()
evFormatter.setElement("startCol", 1)
evFormatter.setElement("length", 10)
evFormatter.setElement("text", "RECAP")
evFormatter.popElement()
evFormatter.popElement()
evFormatter.popElement()
evFormatter.popElement()
session.publish(recapEvent)
except blpapi.Exception as e:
print("Exception while processing TOPIC_RECAP: %s" % e)
continue
if topicList.size() > 0:
# createTopicsAsync will result in RESOLUTION_STATUS,
# TOPIC_CREATED events.
session.createTopicsAsync(topicList)
elif event.eventType() == blpapi.Event.RESOLUTION_STATUS:
for msg in event:
print(msg)
elif event.eventType() == blpapi.Event.REQUEST:
service = session.getService(self.serviceName)
for msg in event:
print(msg)
if msg.messageType() == PERMISSION_REQUEST:
# This example always sends a 'PERMISSIONED' response.
# See 'MktdataPublisherExample' on how to parse a
# Permission request and send an appropriate
# 'PermissionResponse'.
response = \
service.createResponseEvent(msg.correlationIds()[0])
permission = 0 # ALLOWED: 0, DENIED: 1
ef = blpapi.EventFormatter(response)
ef.appendResponse("PermissionResponse")
ef.pushElement("topicPermissions")
# For each of the topics in the request, add an entry to
# the response.
topicsElement = list(msg.getElement(TOPICS).values())
for topic in topicsElement:
ef.appendElement()
ef.setElement("topic", topic)
ef.setElement("result", permission)
ef.popElement()
ef.popElement()
session.sendResponse(response)
else:
for msg in event:
print(msg)
cids = msg.correlationIds()
with g_mutex:
for cid in cids:
if cid in g_authorizationStatus:
if msg.messageType() == AUTHORIZATION_SUCCESS:
g_authorizationStatus[cid] = \
AuthorizationStatus.AUTHORIZED
else:
g_authorizationStatus[cid] = \
AuthorizationStatus.FAILED
return True
def main():
options = parseCmdLine()
# Fill SessionOptions
sessionOptions = blpapi.SessionOptions()
for idx, host in enumerate(options.hosts):
sessionOptions.setServerAddress(host, options.port, idx)
sessionOptions.setAuthenticationOptions(options.auth)
sessionOptions.setAutoRestartOnDisconnection(True)
# NOTE: If running without a backup server, make many attempts to
# connect/reconnect to give that host a chance to come back up (the
# larger the number, the longer it will take for SessionStartupFailure
# to come on startup, or SessionTerminated due to inability to fail
# over). We don't have to do that in a redundant configuration - it's
# expected at least one server is up and reachable at any given time,
# so only try to connect to each server once.
sessionOptions.setNumStartAttempts(1 if len(options.hosts) > 1 else 1000)
myEventHandler = MyEventHandler()
# Create a Session
session = blpapi.ProviderSession(sessionOptions,
myEventHandler.processEvent)
# Start a Session
if not session.start():
print("Failed to start session.")
return
providerIdentity = session.createIdentity()
if options.auth:
isAuthorized = False
authServiceName = "//blp/apiauth"
if session.openService(authServiceName):
authService = session.getService(authServiceName)
isAuthorized = authorize(authService, providerIdentity, session,
blpapi.CorrelationId("auth"))
if not isAuthorized:
print("No authorization")
return
if options.groupId is not None:
# NOTE: will perform explicit service registration here, instead
# of letting createTopics do it, as the latter approach doesn't
# allow for custom ServiceRegistrationOptions.
serviceOptions = blpapi.ServiceRegistrationOptions()
serviceOptions.setGroupId(options.groupId)
if not session.registerService(options.service, identity,
serviceOptions):
print("Failed to register %s" % options.service)
return
topicList = blpapi.TopicList()
topicList.add(options.service + "/ticker/" + options.topic,
blpapi.CorrelationId(MyStream(options.topic)))
# Create topics
session.createTopics(topicList,
blpapi.ProviderSession.AUTO_REGISTER_SERVICES,
providerIdentity)
# createTopics() is synchronous, topicList will be updated
# with the results of topic creation (resolution will happen
# under the covers)
streams = []
for i in range(topicList.size()):
stream = topicList.correlationIdAt(i).value()
status = topicList.statusAt(i)
topicString = topicList.topicStringAt(i)
if (status == blpapi.TopicList.CREATED):
print("Start publishing on topic: %s" % topicString)
stream.topic = session.getTopic(topicList.messageAt(i))
streams.append(stream)
else:
print("Stream '%s': topic not created, status = %d" %
(stream.id, status))
service = session.getService(options.service)
PUBLISH_MESSAGE_TYPE = blpapi.Name(options.messageType)
try:
# Now we will start publishing
tickCount = 1
while streams and g_running:
event = service.createPublishEvent()
eventFormatter = blpapi.EventFormatter(event)
for stream in streams:
topic = stream.topic
if not topic.isActive():
print("[WARN] Publishing on an inactive topic.")
eventFormatter.appendMessage(PUBLISH_MESSAGE_TYPE, topic)
for i, f in enumerate(options.fields):
eventFormatter.setElement(f, tickCount + i + 1.0)
tickCount += 1
for msg in event:
print(msg)
session.publish(event)
time.sleep(10)
finally:
# Stop the session
session.stop()
def main():
"""Main function"""
options = parseCmdLine()
# Fill SessionOptions
sessionOptions = prepareZfpSessionOptions(options) \
if options.remote \
else prepareStandardSessionOptions(options)
sessionOptions.setSessionIdentityOptions(options.auth['option'])
sessionOptions.setAutoRestartOnDisconnection(True)
myEventHandler = MyEventHandler()
# Create a Session
session = blpapi.ProviderSession(sessionOptions,
myEventHandler.processEvent)
# Start a Session
if not session.start():
print("Failed to start session.")
return
topicList = blpapi.TopicList()
topicList.add(options.service + options.topic,
blpapi.CorrelationId(MyStream(options.topic)))
# Create topics
session.createTopics(topicList,
blpapi.ProviderSession.AUTO_REGISTER_SERVICES)
# createTopics() is synchronous, topicList will be updated
# with the results of topic creation (resolution will happen
# under the covers)
streams = []
for i in range(topicList.size()):
stream = topicList.correlationIdAt(i).value()
status = topicList.statusAt(i)
if status == blpapi.TopicList.CREATED:
stream.topic = session.getTopic(topicList.messageAt(i))
streams.append(stream)
else:
print("Stream '%s': topic not resolved, status = %d" %
(stream.id, status))
service = session.getService(options.service)
try:
# Now we will start publishing
while streams and g_running:
event = service.createPublishEvent()
eventFormatter = blpapi.EventFormatter(event)
for stream in streams:
eventFormatter.appendMessage("PageData", stream.topic)
eventFormatter.pushElement("rowUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 1)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 20)
eventFormatter.setElement("length", 4)
eventFormatter.setElement("text", "TEST")
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 25)
eventFormatter.setElement("length", 4)
eventFormatter.setElement("text", "PAGE")
eventFormatter.popElement()
tm = time.strftime("%X")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 30)
eventFormatter.setElement("length", len(tm))
eventFormatter.setElement("text", tm)
eventFormatter.setElement("attr", "BLINK")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 2)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 20)
eventFormatter.setElement("length", 9)
eventFormatter.setElement("text", "---------")
eventFormatter.setElement("attr", "UNDERLINE")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("rowNum", 3)
eventFormatter.pushElement("spanUpdate")
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 10)
eventFormatter.setElement("length", 9)
eventFormatter.setElement("text", "TEST LINE")
eventFormatter.popElement()
eventFormatter.appendElement()
eventFormatter.setElement("startCol", 23)
eventFormatter.setElement("length", 5)
eventFormatter.setElement("text", "THREE")
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.popElement()
eventFormatter.setElement("contributorId",
options.contributorId)
eventFormatter.setElement("productCode", 1)
eventFormatter.setElement("pageNumber", 1)
for msg in event:
print(msg)
session.publish(event)
time.sleep(10)
finally:
# Stop the session
session.stop()
