class sequencer(Closure):
#ensure singleton
_instance = None
def __new__(cls, *args, **kwargs):
if not cls._instance:
cls._instance = super(sequencer, cls).__new__(cls, *args, **kwargs)
return cls._instance
def __init__(self, configFileName):
self.appConfigFileName = configFileName
self.loadConfigFile()
self.handle = CCN()
self.getApplicationKey()
#nameCrypto
self.state = NameCrypto.new_state()
self.cryptoKey = NameCrypto.generate_application_key(self.cfg.fixtureKey, self.cfg.appName)
def loadConfigFile(self):
command = "import "+self.appConfigFileName+" as appCfg"
exec(command)
self.appCfg = appCfg;
self.cfg = appCfg;
def getApplicationKey(self):
print("getting application key for "+self.appCfg.appName)
key = Key()
keyFile = self.appCfg.keyFile
key.fromPEM(filename=keyFile)
self.appKey = key
self.key = key
def start(self):
print "starting "+self.cfg.appName
#self.allWhite()
#self.allBlack()
#self.spazz()
def spazz(self):
for i in range(1,500000):
self.allWhite()
self.allBlack()
def allWhite(self):
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
self.buildAndSendInterest(d['name'],255,255,255)
def allBlack(self):
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
self.buildAndSendInterest(d['name'],0,0,0)
def sendAllLights(self,r,g,b):
for d in self.cfg.names:
if d['name'] != "incandescent":
self.buildAndSendInterest(d['name'],r,g,b)
return
def hx(self, inum):
num = hex(inum)[2:]
if (len(num) == 1):
num = '0'+num
#print num
return str(num)
def buildAndSendInterest(self,device,r,g,b):
rx = self.hx(r)
gx = self.hx(g)
bx = self.hx(b)
CLI = device+"/setRGB/"+rx+gx+bx
#print CLI
self.sendSignedInterest(CLI)
def sendInterest(self,command):
n = Name.Name(self.cfg.appPrefix)
print("\nInterest espressing for "+str(n))
n += command
i = Interest.Interest()
print("Interest sending to "+str(n))
co = self.handle.get(n,i,20)
if not not co:
#if co is not empty, print result for debugging
print("content: "+str(co.content))
pass
def sendSignedInterest(self,command):
fullURI = self.cfg.appPrefix + command
#print fullURI
i = Interest()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = pyccn.KeyLocator(self.key)
keyLocStr = _pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc += keyLocStr
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
t0 = time()
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
t1 = time()
#print "elapsed sign", t1-t0
#print authName.components
t0 = time()
co = self.handle.expressInterest(authName,self)
t1 = time()
from pyccn import CCN, Name
c = CCN()
print(c)
n = Name()
print(n)
n = Name("ccnx:/ccnx/ping")
print(n)
co = c.get(n)
print(co)
#this shouldn't cause segfault
print(n)
n = Name("ccnx:/ccnx/some_nonexisting_name")
co = c.get(n, None, 100)
#this shouldn't cause segfault!
print(co)
class sequencer(Closure):
def __init__(self, configFileName):
self.appConfigFileName = configFileName
self.loadConfigFile()
self.handle = CCN()
self.getApplicationKey()
#nameCrypto
self.state = NameCrypto.new_state()
self.cryptoKey = NameCrypto.generate_application_key(self.cfg.fixtureKey, self.cfg.appName)
self.count = 0
def loadConfigFile(self):
command = "import "+self.appConfigFileName+" as appCfg"
exec(command)
self.appCfg = appCfg;
self.cfg = appCfg;
def getApplicationKey(self):
#print("getting application key for "+self.appCfg.appName)
key = Key()
keyFile = self.appCfg.keyFile
key.fromPEM(filename=keyFile)
self.appKey = key
self.key = key
def start(self):
#print "starting "+self.cfg.appName
self.startTime = time.time()
#self.play()
#self.send()
#self.discoProfile()
#self.disco()
#self.mobileDisco()
#self.discoArt()
#self.allWhite()
self.allBlack()
#self.spazz()
def spazz(self):
for i in range(1,500000):
self.allWhite()
self.allBlack()
def allWhite(self):
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
self.buildAndSendInterest(d['name'],255,255,255)
def allBlack(self):
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendArtInterest('incandescent',0,)
def disco(self):
print "fading..."
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
r = b = g = 0
#red
for i in range(0,85):
r=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
for i in range(0,85):
r=0
g=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
for i in range(0,85):
g=0
b=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],255,255,255)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],255,255,255)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],0,0,0)
return
def discoProfile(self):
print "fading..."
for d in self.cfg.names:
if d['name'] != "incandescent":
print d['name']
r = b = g = 0
#red
for i in range(0,85):
r=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
for i in range(0,85):
r=0
g=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
for i in range(0,85):
g=0
b=i
self.buildAndSendInterest(d['name'],r*3,g*3,b*3)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],255,255,255)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],255,255,255)
self.buildAndSendInterest(d['name'],0,0,0)
self.buildAndSendInterest(d['name'],0,0,0)
print "DONE"
self.sendSignedInterest("whatever/profileStop/000000")
self.endTime = time.time()
print "total time is ",(self.endTime - self.startTime)
print "number of interests is ",self.count
print "average time per interest is ",((self.endTime - self.startTime)/self.count)
return
def mobileDisco(self):
print "fading around"
for i in range(0,85):
r = b = g = 0
#red
for i in range(0,85):
r=i
self.sendValToAllLights(r*3,g*3,b*3)
for i in range(0,85):
r=0
g=i
self.sendValToAllLights(r*3,g*3,b*3)
for i in range(0,85):
g=0
b=i
self.sendValToAllLights(r*3,g*3,b*3)
self.sendValToAllLights(0,0,0)
self.sendValToAllLights(255,255,255)
self.sendValToAllLights(0,0,0)
self.sendValToAllLights(255,255,255)
self.sendValToAllLights(0,0,0)
sys.exit()
def sendValToAllLights(self,r,g,b):
for d in self.cfg.names:
self.buildAndSendInterest(d['name'],r,g,b)
def discoArt(self):
print "fading..."
for d in self.cfg.names:
if d['name'] == "incandescent":
print d['name']
r = b = g = 0
#red
for i in range(0,250):
r=i
self.buildAndSendArtInterest(d['name'],r)
self.discoArt()
def hx(self, inum):
num = hex(inum)[2:]
if (len(num) == 1):
num = '0'+num
#print num
return str(num)
def buildAndSendInterest(self,device,r,g,b):
#rx = hex(r)[2:]
#gx = hex(g)[2:]
#bx = hex(b)[2:]
rx = self.hx(r)
gx = self.hx(g)
bx = self.hx(b)
#CLI = self.cfg.interestPrefix+device+"/rgb-8bit-hex/"+rx+gx+bx
CLI = device+"/setRGB/"+rx+gx+bx
#print CLI
self.sendSignedInterest(CLI)
#living-room-right-wall/rgb-8bit-hex/d2741d
#interestPrefix
#ccnx:/ndn/ucla.edu/apps/lighting/TV1/fixture/living-room-right-wall/rgb-8bit-hex/d2741d
def buildAndSendArtInterest(self,device,r):
rx = self.hx(r)
#gx = hex(g)[2:]
#bx = hex(b)[2:]
#rx = self.hx(r)
#CLI = self.cfg.interestPrefix+device+"/rgb-8bit-hex/"+rx+gx+bx
CLI = device+"/setBrightness/"+rx
#print CLI
self.sendSignedInterest(CLI)
#living-room-right-wall/rgb-8bit-hex/d2741d
#interestPrefix
#ccnx:/ndn/ucla.edu/apps/lighting/TV1/fixture/living-room-right-wall/rgb-8bit-hex/d2741d
def sendInterest(self,command):
n = Name(self.cfg.appPrefix)
print("\nInterest espressing for "+str(n))
n += command
#fullURI = self.cfg.interestPrefix + command
#print fullURI
i = Interest.Interest()
#n = Name.Name([fullURI]) #this does not parse correctly
#n = Name.Name(fullURI)
print("Interest sending to "+str(n))
co = self.handle.get(n,i,200)
if not not co:
#if co is not empty, print result for debugging
print("content: "+str(co.content))
def sendSignedInterest(self,command):
self.count = self.count +1
time.sleep(self.cfg.refreshInterval)
fullURI = self.cfg.appPrefix + command
#print fullURI
i = Interest()
#self.state = NameCrypto.new_state()
#build keyLocator to append to interest for NameCrypto on upcall
keyLoc = pyccn.KeyLocator(self.key)
keyLocStr = _pyccn.dump_charbuf(keyLoc.ccn_data)
nameAndKeyLoc = Name(str(fullURI))
#print("there are "+str(len(nameAndKeyLoc))+" components")
nameAndKeyLoc += keyLocStr
#print("there are "+str(len(nameAndKeyLoc))+" components after adding keyLocStr")
#symmetric
authName = NameCrypto.authenticate_command(self.state, nameAndKeyLoc, self.cfg.appName, self.cryptoKey)
#asymmetric
#authName = NameCrypto.authenticate_command_sig(self.state, nameAndKeyLoc, self.cfg.appName, self.key)
#print authName.components
co = self.handle.expressInterest(authName,self)
