-/* Copyright (c) 2010-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2010-2022. 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. */
XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_async_waitall, "Messages specific for this s4u example");
-class Sender {
- long messages_count; /* - number of messages */
- long receivers_count; /* - number of receivers */
- long msg_size; /* - message size in bytes */
-
-public:
- explicit Sender(std::vector<std::string> args)
- {
- xbt_assert(args.size() == 4, "Expecting 3 parameters from the XML deployment file but got %zu", args.size());
- messages_count = std::stol(args[1]);
- msg_size = std::stol(args[2]);
- receivers_count = std::stol(args[3]);
+static void sender(unsigned int messages_count, unsigned int receivers_count, long msg_size)
+{
+ if (messages_count == 0 || receivers_count == 0) {
+ XBT_WARN("Sender has nothing to do. Bail out!");
+ return;
}
- void operator()() const
- {
- // sphinx-doc: init-begin (this line helps the doc to build; ignore it)
- /* Vector in which we store all ongoing communications */
- std::vector<sg4::CommPtr> pending_comms;
-
- /* Make a vector of the mailboxes to use */
- std::vector<sg4::Mailbox*> mboxes;
- for (int i = 0; i < receivers_count; i++)
- mboxes.push_back(sg4::Mailbox::by_name(std::string("receiver-") + std::to_string(i)));
- // sphinx-doc: init-end
-
- /* Start dispatching all messages to receivers, in a round robin fashion */
- for (int i = 0; i < messages_count; i++) {
- std::string msg_content = std::string("Message ") + std::to_string(i);
- // Copy the data we send: the 'msg_content' variable is not a stable storage location.
- // It will be destroyed when this actor leaves the loop, ie before the receiver gets it
- auto* payload = new std::string(msg_content);
-
- XBT_INFO("Send '%s' to '%s'", msg_content.c_str(), mboxes[i % receivers_count]->get_cname());
-
- /* Create a communication representing the ongoing communication, and store it in pending_comms */
- sg4::CommPtr comm = mboxes[i % receivers_count]->put_async(payload, msg_size);
- pending_comms.push_back(comm);
- }
-
- /* Start sending messages to let the workers know that they should stop */ // sphinx-doc: put-begin
- for (int i = 0; i < receivers_count; i++) {
- XBT_INFO("Send 'finalize' to 'receiver-%d'", i);
- sg4::CommPtr comm = mboxes[i]->put_async(new std::string("finalize"), 0);
- pending_comms.push_back(comm);
- }
- XBT_INFO("Done dispatching all messages");
-
- /* Now that all message exchanges were initiated, wait for their completion in one single call */
- sg4::Comm::wait_all(&pending_comms);
- // sphinx-doc: put-end
-
- XBT_INFO("Goodbye now!");
+ // sphinx-doc: init-begin (this line helps the doc to build; ignore it)
+ /* Vector in which we store all ongoing communications */
+ std::vector<sg4::CommPtr> pending_comms;
+
+ /* Make a vector of the mailboxes to use */
+ std::vector<sg4::Mailbox*> mboxes;
+ for (unsigned int i = 0; i < receivers_count; i++)
+ mboxes.push_back(sg4::Mailbox::by_name("receiver-" + std::to_string(i)));
+ // sphinx-doc: init-end
+
+ /* Start dispatching all messages to receivers, in a round robin fashion */
+ for (unsigned int i = 0; i < messages_count; i++) {
+ std::string msg_content = "Message " + std::to_string(i);
+ // Copy the data we send: the 'msg_content' variable is not a stable storage location.
+ // It will be destroyed when this actor leaves the loop, ie before the receiver gets it
+ auto* payload = new std::string(msg_content);
+
+ XBT_INFO("Send '%s' to '%s'", msg_content.c_str(), mboxes[i % receivers_count]->get_cname());
+
+ /* Create a communication representing the ongoing communication, and store it in pending_comms */
+ sg4::CommPtr comm = mboxes[i % receivers_count]->put_async(payload, msg_size);
+ pending_comms.push_back(comm);
}
-};
-/* Receiver actor expects 1 argument: its ID */
-class Receiver {
- sg4::Mailbox* mbox;
-
-public:
- explicit Receiver(std::vector<std::string> args)
- {
- xbt_assert(args.size() == 2, "Expecting one parameter from the XML deployment file but got %zu", args.size());
- std::string mboxName = std::string("receiver-") + args[1];
- mbox = sg4::Mailbox::by_name(mboxName);
+ /* Start sending messages to let the workers know that they should stop */ // sphinx-doc: put-begin
+ for (unsigned int i = 0; i < receivers_count; i++) {
+ XBT_INFO("Send 'finalize' to 'receiver-%u'", i);
+ sg4::CommPtr comm = mboxes[i]->put_async(new std::string("finalize"), 0);
+ pending_comms.push_back(comm);
}
- void operator()()
- {
- XBT_INFO("Wait for my first message");
- for (bool cont = true; cont;) {
- auto received = mbox->get_unique<std::string>();
- XBT_INFO("I got a '%s'.", received->c_str());
- cont = (*received != "finalize"); // If it's a finalize message, we're done
- // Receiving the message was all we were supposed to do
- }
+ XBT_INFO("Done dispatching all messages");
+
+ /* Now that all message exchanges were initiated, wait for their completion in one single call */
+ sg4::Comm::wait_all(pending_comms);
+ // sphinx-doc: put-end
+
+ XBT_INFO("Goodbye now!");
+}
+
+/* Receiver actor expects 1 argument: its ID */
+static void receiver(int id)
+{
+ sg4::Mailbox* mbox = sg4::Mailbox::by_name("receiver-" + std::to_string(id));
+ XBT_INFO("Wait for my first message");
+ for (bool cont = true; cont;) {
+ auto received = mbox->get_unique<std::string>();
+ XBT_INFO("I got a '%s'.", received->c_str());
+ cont = (*received != "finalize"); // If it's a finalize message, we're done
+ // Receiving the message was all we were supposed to do
}
-};
+}
int main(int argc, char* argv[])
{
- xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n", argv[0]);
-
sg4::Engine e(&argc, argv);
- e.register_actor<Sender>("sender");
- e.register_actor<Receiver>("receiver");
e.load_platform(argv[1]);
- e.load_deployment(argv[2]);
+
+ sg4::Actor::create("sender", e.host_by_name("Tremblay"), sender, 5, 2, 1e6);
+ sg4::Actor::create("receiver", e.host_by_name("Ruby"), receiver, 0);
+ sg4::Actor::create("receiver", e.host_by_name("Perl"), receiver, 1);
+
e.run();
return 0;
