def eReturnOnSpeaker(self, sType, sMess, sOrigin):
"""
"""
if sType not in lKNOWN_TOPICS:
sRetval = "eReturnOnSpeaker: oSpeakerChannel unhandled topic " +sMess
vError(sRetval)
return sRetval
assert sOrigin, "eReturnOnSpeaker: oSpeakerChannel empty sOrigin"
lOrigin = sOrigin.split("|")
assert lOrigin, "eReturnOnSpeaker: oSpeakerChannel empty lOrigin"
# 'json' was in here
assert lOrigin[0] in ['eval', 'cmd', 'exec'], \
"eReturnOnSpeaker: oSpeakerChannel not cmd " +sOrigin
# This message is a reply in a cmd
sMark = lOrigin[3]
assert sMark, "eReturnOnSpeaker: lOrigin[3] is null: " +repr(lOrigin)
lMess = sMess.split("|")
assert lMess[0] == 'retval', \
"eReturnOnSpeaker: lMess[0] should be retval: " +repr(lMess)
# these now should be equal
lMess[3] = sMark
# Replace the mark in the reply with the mark in the cmd
sMess = '|'.join(lMess)
return self.eSendOnSpeaker(sType, sMess)
def eReturnOnSpeaker(self, sType, sMess, sOrigin):
"""
"""
if sType not in lKNOWN_TOPICS:
sRetval = "eReturnOnSpeaker: oSpeakerChannel unhandled topic " + sMess
vError(sRetval)
return sRetval
assert sOrigin, "eReturnOnSpeaker: oSpeakerChannel empty sOrigin"
lOrigin = sOrigin.split("|")
assert lOrigin, "eReturnOnSpeaker: oSpeakerChannel empty lOrigin"
# 'json' was in here
assert lOrigin[0] in ['eval', 'cmd', 'exec'], \
"eReturnOnSpeaker: oSpeakerChannel not cmd " +sOrigin
# This message is a reply in a cmd
sMark = lOrigin[3]
assert sMark, "eReturnOnSpeaker: lOrigin[3] is null: " + repr(lOrigin)
lMess = sMess.split("|")
assert lMess[0] == 'retval', \
"eReturnOnSpeaker: lMess[0] should be retval: " +repr(lMess)
# these now should be equal
lMess[3] = sMark
# Replace the mark in the reply with the mark in the cmd
sMess = '|'.join(lMess)
return self.eSendOnSpeaker(sType, sMess)
def iMain():
# lGetOptionsArgs adds sMt4Dir/MQL4/Python to the sys.path
(
oOptions,
lArgs,
) = lGetOptionsArgs()
# so lGetOptionsArgs must be called before this import
from ZmqBinListener import ZmqBinMixin
if not lArgs:
# subscribe to everything
lArgs = ['']
lTopics = lArgs
oMixin = None
try:
# sChartId is in oOptions
oMixin = ZmqBinMixin(**oOptions.__dict__)
oMixin.eConnectToSubPub(lTopics, iDir=zmq.SUB)
oMixin.eConnectToReqRep(iDir=zmq.REQ)
i = 0
while True:
i += 1
sys.stderr.write("Command: ")
sRequest = sys.stdin.readline().strip()
if not sRequest: break
if oOptions.sExecType == "default":
sType = sDefaultExecType(sRequest)
elif oOptions.sExecType == "exec":
# execs are executed immediately and return a result on the wire
# They're things that take less than a tick to evaluate
sType = "exec"
else:
sType = "cmd"
# only exec really works right now - cmd misses the retval sometimes
sType = "exec"
sMarkIn = sMakeMark()
gRetval = oMixin.gCmdExec(sMarkIn, sRequest, sType, oOptions)
print gRetval
except KeyboardInterrupt:
if oOptions and oOptions.iDebugLevel >= 1:
vInfo("exiting")
except Exception as e:
vError(str(e) +"\n" + \
traceback.format_exc(10) +"\n")
sys.stdout.flush()
sys.exc_clear()
finally:
if oMixin:
oMixin.bCloseContextSockets()
return 0
def iMain():
# lGetOptionsArgs adds sMt4Dir/MQL4/Python to the sys.path
(oOptions, lArgs,) = lGetOptionsArgs()
# so lGetOptionsArgs must be called before this import
from ZmqBinListener import ZmqBinMixin
if not lArgs:
# subscribe to everything
lArgs = ['']
lTopics = lArgs
oMixin = None
try:
# sChartId is in oOptions
oMixin = ZmqBinMixin(**oOptions.__dict__)
oMixin.eConnectToSubPub(lTopics, iDir=zmq.SUB)
oMixin.eConnectToReqRep(iDir=zmq.REQ)
i = 0
while True:
i += 1
sys.stderr.write("Command: ")
sRequest = sys.stdin.readline().strip()
if not sRequest: break
if oOptions.sExecType == "default":
sType = sDefaultExecType(sRequest)
elif oOptions.sExecType == "exec":
# execs are executed immediately and return a result on the wire
# They're things that take less than a tick to evaluate
sType = "exec"
else:
sType = "cmd"
# only exec really works right now - cmd misses the retval sometimes
sType = "exec"
sMarkIn = sMakeMark()
gRetval = oMixin.gCmdExec(sMarkIn, sRequest, sType, oOptions)
print gRetval
except KeyboardInterrupt:
if oOptions and oOptions.iDebugLevel >= 1:
vInfo("exiting")
except Exception as e:
vError(str(e) +"\n" + \
traceback.format_exc(10) +"\n")
sys.stdout.flush()
sys.exc_clear()
finally:
if oMixin:
oMixin.bCloseContextSockets()
return 0
def eSendOnSpeaker(self, sType, sMess):
if sType not in lKNOWN_TOPICS:
sRetval = "eSendOnSpeaker: oSpeakerChannel unhandled topic " +sMess
vError(sRetval)
return sRetval
if self.oSpeakerChannel is None:
self.eBindBlockingSpeaker()
assert self.oSpeakerChannel, "eSendOnSpeaker: oSpeakerChannel is null"
assert self.oConnection, "eSendOnSpeaker: oConnection is null"
# we will break the sChartId up into dots from the underscores
# That way the end consumer can look at the feed selectively
sPublishingKey = sType + '.' + self.sChartId.replace('_', '.')
self.oSpeakerChannel.basic_publish(exchange=self.sExchangeName,
routing_key=sPublishingKey,
body=sMess,
mandatory=False, immediate=False,
properties=self.oProperties)
vDebug("eSendOnSpeaker: sent " + sMess)
return ""
def eSendOnSpeaker(self, sType, sMess):
if sType not in lKNOWN_TOPICS:
sRetval = "eSendOnSpeaker: oSpeakerChannel unhandled topic " + sMess
vError(sRetval)
return sRetval
if self.oSpeakerChannel is None:
self.eBindBlockingSpeaker()
assert self.oSpeakerChannel, "eSendOnSpeaker: oSpeakerChannel is null"
assert self.oConnection, "eSendOnSpeaker: oConnection is null"
# we will break the sChartId up into dots from the underscores
# That way the end consumer can look at the feed selectively
sPublishingKey = sType + '.' + self.sChartId.replace('_', '.')
self.oSpeakerChannel.basic_publish(exchange=self.sExchangeName,
routing_key=sPublishingKey,
body=sMess,
mandatory=False,
immediate=False,
properties=self.oProperties)
vDebug("eSendOnSpeaker: sent " + sMess)
return ""
def zPopFromPending(self, sString):
from OTMql427.SimpleFormat import gRetvalToPython
global dPENDING
lElts = sString.split('|')
if len(lElts) <= 4:
vWarn("not enough | found in: %s" % (sString,))
return ""
if sString.startswith('tick') or sString.startswith('timer'):
print sString
return ""
if sString.startswith('retval'):
sMarkOut = lElts[3]
if sMarkOut not in dPENDING.keys():
print "WARN: %s not found in: %r" % (sMarkOut, dPENDING.keys())
else:
del dPENDING[sMarkOut]
sType = lElts[4]
sVal = lElts[5]
print "INFO: " +sMarkOut +" "+ sString
if sType == "cmd":
# there's still a null that comes back on ReqRep
sNull = self.oReqRepSocket.recv()
# zmq.error.ZMQError
try:
gRetval = gRetvalToPython(lElts)
except Exception as e:
vError("zPopFromPending: error in gRetvalToPython " +sString +str(e))
else:
return gRetval
else:
vWarn("Unrecognized message: " + sString)
return ""
