def set_up_spread_peer():
'''
Set up Spread utility for Spread peer
@return Tuple of (Spread mailbox, Spread message object for sending,
Spread message object for receiving, group list of the mailbox)
'''
# Register the signal timeout handler
signal.signal(signal.SIGALRM, timeout_handler)
group_list = spread.GroupList()
group_list.add(params.SPREAD_GROUP_NAME)
try:
mbox = spread.Mailbox(params.SPREAD_DAEMON_PORT, "vyan1_mbox", False,
0)
except spread.Error as error:
error._print()
raise error
mbox.join(params.SPREAD_GROUP_NAME)
mbox.add_group(params.SPREAD_GROUP_NAME)
send_MSG = spread.Message()
rcv_MSG = spread.Message()
service = spread.Message.Reliable | spread.Message.SelfDiscard
send_MSG.set_service(service)
return (mbox, send_MSG, rcv_MSG, group_list)
def set_up_start_spread():
'''
Set up Spread utility for start_spread program
@return (Spread mailbox, Spread message object for sending)
'''
try:
mbox = spread.Mailbox(params.SPREAD_DAEMON_PORT, "start_spread", False,
0)
except spread.Error as error:
error._print()
raise error
mbox.add_group(params.SPREAD_GROUP_NAME)
send_MSG = spread.Message()
service = spread.Message.Reliable | spread.Message.SelfDiscard
send_MSG.set_service(service)
return (mbox, send_MSG)
''' Signaling program to start multicast process for all MNIST peers Author: Yuan Jing Vincent Yan ([email protected]) ''' import spread import params if __name__ == '__main__': try: mbox = spread.Mailbox(params.SPREAD_DAEMON_PORT, "start_spread", False, 0) except spread.Error as error: error._print() raise error send_msg = spread.Message() service = spread.Message.Reliable | spread.Message.SelfDiscard send_msg.set_service(service) mbox.add_group(params.SPREAD_GROUP_NAME) send_msg.write(params.START_SPREAD_SIGNAL) mbox.send(send_msg) print("start_mcast: Let the show begin!")
import sys
import spread
group_name = "JHU_VDL"
group_list = spread.GroupList()
group_list.add(group_name)
try:
mbox = spread.Mailbox("4803", "", False, 0)
except spread.Error as error:
error._print()
raise error
message = spread.Message()
rcv_msg = spread.Message()
data = "foobar"
service = spread.Message.Reliable | spread.Message.SelfDiscard
#message.set_service(service)
mbox.clear_groups()
mbox.clear_message_parts()
mbox.join(group_name) #
mbox.add_group(group_name)
message.write(data)
mbox.send(message)
while mbox.poll() == 0:
pass
print 'poll ', mbox.poll()
#mbox.send(message, group_list)