import sys
import time
import random
import dds
PUB_ROLE = 0
SUB_ROLE = 1
role = ['pub', 'sub'].index(sys.argv[1])
if role == PUB_ROLE:
participant = dds.DDS('MyParticipantLibrary::BigPublicationParticipant')
HelloBigWorldWriter = participant.lookup_datawriter_by_name(
'MyBigPublisher::HelloBigWorldWriter')
seq = 0
data = "x" * 10000000 #10MB
file = open("huge_pic.png", "rb")
buf = file.read()
while True:
seq += 1
print('writing sequence#', seq)
msg = {'seq': seq, 'data': "x", 'rawBytes': buf}
a = time.time()
HelloBigWorldWriter.write(msg)
print("Write speed: %f" % (time.time() - a))
time.sleep(3)
else:
participant = dds.DDS('MyParticipantLibrary::BigSubscriptionParticipant')
import sys
import time
import random
import dds
recv = ['send', 'recv'].index(sys.argv[1])
d = dds.DDS()
l = dds.Library('./libddsmessages_c.so')
topics = []
#topics.append((d.get_topic('t1', l.State), lambda: dict(workername=str(random.randrange(2**10)), state=random.randrange(-2**31, 2**31), health=random.random())))
topics.append((d.get_topic('t2', l.HydrophoneMessage),
lambda: dict(timestamp=int(1e9 * time.time()),
declination=random.random(),
heading=random.random(),
distance=random.random(),
frequency=random.random(),
valid=random.choice([True, False]))))
topics.append((d.get_topic('t3', l.PDWrenchMessage),
lambda: dict(linear=[random.gauss(0, 1) for i in xrange(3)],
moment=[random.gauss(0, 1) for i in xrange(3)])))
topics.append((d.get_topic('t4', l.VisionSetIDsMessage), lambda: dict(
visionids=[random.randrange(1000) for i in xrange(random.randrange(10))],
cameraid=random.randrange(10))))
topics.append((d.get_topic('t5', l.ChatMessage),
lambda: dict(username=str(random.randrange(2**10)),
message=str(random.randrange(2**10)))))
topics.append(
(d.get_topic('t6', l.IMUMessage),
from twisted.internet import reactor
import dds
import twistedds
class TestProtocol(object):
def connectionMade(self):
print 'connection made!'
def messageReceived(self, msg):
print 'message received:', msg
def connectionLost(self, reason):
print 'connection lost! reason:', reason
twistedds.connectDDS(
dds.DDS().get_topic(
't2',
dds.Library('./libddsmessages_c.so').HydrophoneMessage),
TestProtocol())
reactor.run()
import dds
import time
def on_data(dict):
print(dict)
dds_instance = dds.DDS('dds_testTypes')
topic = dds_instance.get_topic('generated.dds.org.eelt.Sample')
print(topic)
msg = dict(value=3.14)
topic.publish(msg)
topic.subscribe(on_data)
while True:
time.sleep(100)
import os
import sys
from twisted.internet import protocol, reactor
import dds
import twistedds
class TestProtocol(protocol.Protocol):
def connectionMade(self):
print 'connection made!'
def messageReceived(self, msg):
print 'message received:', msg
self.transport.loseConnection()
def connectionLost(self, reason):
print 'connection lost! reason:', reason
l = dds.Library('libddsmessages_c.so')
twistedds.connectDDS(dds.DDS().get_topic('t2', l.HydrophoneMessage),
TestProtocol())
reactor.run()