-/* Copyright (c) 2017-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2017-2021. 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_app_token_ring, "Messages specific for this s4u example");
class RelayRunner {
- size_t task_comm_size = 1000000; /* The token is 1MB long*/
- simgrid::s4u::MailboxPtr my_mailbox;
- simgrid::s4u::MailboxPtr neighbor_mailbox;
- unsigned int rank = 0;
-
public:
explicit RelayRunner() = default;
- void operator()()
+ void operator()() const
{
+ size_t token_size = 1000000; /* The token is 1MB long*/
+ simgrid::s4u::Mailbox* my_mailbox;
+ simgrid::s4u::Mailbox* neighbor_mailbox;
+ unsigned int rank = 0;
+
try {
rank = std::stoi(simgrid::s4u::this_actor::get_name());
- } catch (std::invalid_argument& ia) {
- throw std::invalid_argument(std::string("Processes of this example must have a numerical name, not ") +
- ia.what());
+ } catch (const std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Actors of this example must have a numerical name, not ") + ia.what());
}
- my_mailbox = simgrid::s4u::Mailbox::byName(std::to_string(rank));
- if (rank + 1 == simgrid::s4u::Engine::getInstance()->get_host_count())
- /* The last process, which sends the token back to rank 0 */
- neighbor_mailbox = simgrid::s4u::Mailbox::byName("0");
+ my_mailbox = simgrid::s4u::Mailbox::by_name(std::to_string(rank));
+ if (rank + 1 == simgrid::s4u::Engine::get_instance()->get_host_count())
+ /* The last actor sends the token back to rank 0 */
+ neighbor_mailbox = simgrid::s4u::Mailbox::by_name("0");
else
- /* The others processes send to their right neighbor (rank+1) */
- neighbor_mailbox = simgrid::s4u::Mailbox::byName(std::to_string(rank + 1));
+ /* The others actors send to their right neighbor (rank+1) */
+ neighbor_mailbox = simgrid::s4u::Mailbox::by_name(std::to_string(rank + 1));
if (rank == 0) {
- /* The root process (rank 0) first sends the token then waits to receive it back */
+ /* The root actor (rank 0) first sends the token then waits to receive it back */
XBT_INFO("Host \"%u\" send 'Token' to Host \"%s\"", rank, neighbor_mailbox->get_cname());
std::string msg = "Token";
- neighbor_mailbox->put(&msg, task_comm_size);
- std::string* res = static_cast<std::string*>(my_mailbox->get());
+ neighbor_mailbox->put(&msg, token_size);
+ const auto* res = my_mailbox->get<std::string>();
XBT_INFO("Host \"%u\" received \"%s\"", rank, res->c_str());
} else {
- std::string* res = static_cast<std::string*>(my_mailbox->get());
+ auto* res = my_mailbox->get<std::string>();
XBT_INFO("Host \"%u\" received \"%s\"", rank, res->c_str());
XBT_INFO("Host \"%u\" send 'Token' to Host \"%s\"", rank, neighbor_mailbox->get_cname());
- neighbor_mailbox->put(res, task_comm_size);
+ neighbor_mailbox->put(res, token_size);
}
}
};
int id = 0;
std::vector<simgrid::s4u::Host*> list = e.get_all_hosts();
for (auto const& host : list) {
- /* - Give a unique rank to each host and create a @ref relay_runner process on each */
+ /* - Give a unique rank to each host and create a @ref relay_runner actor on each */
simgrid::s4u::Actor::create((std::to_string(id)).c_str(), host, RelayRunner());
id++;
}