-# Copyright (c) 2010-2021. The SimGrid Team. All rights reserved.
+# Copyright (c) 2010-2023. The SimGrid Team. All rights reserved.
+
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.
-from simgrid import Engine, Mailbox, this_actor
-import sys
+"""
+This example shows how to use simgrid::s4u::this_actor::wait() to wait for a given communication.
-# This example shows how to use simgrid::s4u::this_actor::wait() to wait for a given communication.
-#
-# As for the other asynchronous examples, the sender initiate all the messages it wants to send and
-# pack the resulting simgrid::s4u::CommPtr objects in a vector. All messages thus occurs concurrently.
-#
-# The sender then loops until there is no ongoing communication.
+As for the other asynchronous examples, the sender initiate all the messages it wants to send and
+pack the resulting simgrid::s4u::CommPtr objects in a vector. All messages thus occurs concurrently.
+The sender then loops until there is no ongoing communication.
+"""
-class Sender:
- def __init__(self, *args):
- if len(args) != 3:
- raise AssertionError(
- "Actor sender requires 3 parameters, but got {:d}".format(len(args)))
- self.messages_count = int(args[0]) # number of tasks
- self.msg_size = int(args[1]) # communication cost (in bytes)
- self.receivers_count = int(args[2]) # number of receivers
-
- def __call__(self):
- # List in which we store all ongoing communications
- pending_comms = []
+import sys
+from simgrid import Actor, Engine, Host, Mailbox, this_actor
- # Vector of the used mailboxes
- mboxes = [Mailbox.by_name("receiver-{:d}".format(i)) for i in range(0, self.receivers_count)]
- # Start dispatching all messages to receivers, in a round robin fashion
- for i in range(0, self.messages_count):
- content = "Message {:d}".format(i)
- mbox = mboxes[i % self.receivers_count]
+def sender(messages_count, msg_size, receivers_count):
+ # List in which we store all ongoing communications
+ pending_comms = []
- this_actor.info("Send '{:s}' to '{:s}'".format(content, str(mbox)))
+ # Vector of the used mailboxes
+ mboxes = [Mailbox.by_name("receiver-{:d}".format(i)) for i in range(0, receivers_count)]
- # Create a communication representing the ongoing communication, and store it in pending_comms
- comm = mbox.put_async(content, self.msg_size)
- pending_comms.append(comm)
+ # Start dispatching all messages to receivers, in a round robin fashion
+ for i in range(0, messages_count):
+ content = "Message {:d}".format(i)
+ mbox = mboxes[i % receivers_count]
- # Start sending messages to let the workers know that they should stop
- for i in range(0, self.receivers_count):
- mbox = mboxes[i]
- this_actor.info("Send 'finalize' to '{:s}'".format(str(mbox)))
- comm = mbox.put_async("finalize", 0)
- pending_comms.append(comm)
+ this_actor.info("Send '{:s}' to '{:s}'".format(content, str(mbox)))
- this_actor.info("Done dispatching all messages")
+ # Create a communication representing the ongoing communication, and store it in pending_comms
+ comm = mbox.put_async(content, msg_size)
+ pending_comms.append(comm)
- # Now that all message exchanges were initiated, wait for their completion, in order of creation.
- for comm in pending_comms:
- comm.wait()
- this_actor.info("Goodbye now!")
+ # Start sending messages to let the workers know that they should stop
+ for i in range(0, receivers_count):
+ mbox = mboxes[i]
+ this_actor.info("Send 'finalize' to '{:s}'".format(str(mbox)))
+ comm = mbox.put_async("finalize", 0)
+ pending_comms.append(comm)
+ this_actor.info("Done dispatching all messages")
-class Receiver:
- def __init__(self, *args):
- if len(args) != 1: # Receiver actor expects 1 argument: its ID
- raise AssertionError("Actor receiver requires 1 parameter, but got {:d}".format(len(args)))
- self.mbox = Mailbox.by_name("receiver-{:s}".format(args[0]))
+ # Now that all message exchanges were initiated, wait for their completion, in order of creation.
+ for comm in pending_comms:
+ comm.wait()
+ this_actor.info("Goodbye now!")
- def __call__(self):
- this_actor.info("Wait for my first message")
- while True:
- received = self.mbox.get()
- this_actor.info("I got a '{:s}'.".format(received))
- if received == "finalize":
- break # If it's a finalize message, we're done.
+def receiver(my_id):
+ mbox = Mailbox.by_name("receiver-{:d}".format(my_id))
+ this_actor.info("Wait for my first message")
+ while True:
+ received = mbox.get()
+ this_actor.info("I got a '{:s}'.".format(received))
+ if received == "finalize":
+ break # If it's a finalize message, we're done.
if __name__ == '__main__':
e.load_platform(sys.argv[1]) # Load the platform description
- # Register the classes representing the actors
- e.register_actor("sender", Sender)
- e.register_actor("receiver", Receiver)
-
- e.load_deployment(sys.argv[2])
+ Actor.create("sender", Host.by_name("Tremblay"), sender, 3, 50000000, 1)
+ Actor.create("receiver", Host.by_name("Ruby"), receiver, 0)
e.run()
