XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_async_wait, "Messages specific for this s4u example");
-static int sender(int argc, char** argv)
+static void sender(int argc, char** argv)
{
- xbt_assert(argc == 4, "Expecting 3 parameters from the XML deployment file but got %d", argc);
- long messages_count = std::stol(argv[1]); /* - number of tasks */
- double msg_size = std::stol(argv[2]); /* - communication cost in bytes */
- long receivers_count = std::stod(argv[3]); /* - number of receivers */
+ xbt_assert(argc == 3, "Expecting 2 parameters from the XML deployment file but got %d", argc);
+ long messages_count = std::stol(argv[1]); /* - number of messages */
+ double msg_size = std::stod(argv[2]); /* - message size in bytes */
+ double sleep_start_time = 5.0;
+ double sleep_test_time = 0;
- /* Vector in which we store all ongoing communications */
- std::vector<simgrid::s4u::CommPtr> pending_comms;
+ simgrid::s4u::Mailbox* mbox = simgrid::s4u::Mailbox::by_name("receiver");
- /* Make a vector of the mailboxes to use */
- std::vector<simgrid::s4u::Mailbox*> mboxes;
- for (int i = 0; i < receivers_count; i++)
- mboxes.push_back(simgrid::s4u::Mailbox::by_name(std::string("receiver-") + std::to_string(i)));
+ XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time, sleep_test_time);
+ simgrid::s4u::this_actor::sleep_for(sleep_start_time);
- /* 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: 'msg_content' is not a stable storage location.
- // It will be destroyed when this actor leaves the loop, ie before the receiver gets it
+ // 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 the data
std::string* 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 */
- simgrid::s4u::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 */
- for (int i = 0; i < receivers_count; i++) {
- XBT_INFO("Send 'finalize' to 'receiver-%d'", i);
- simgrid::s4u::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 order of creation. */
- while (not pending_comms.empty()) {
- simgrid::s4u::CommPtr comm = pending_comms.back();
- comm->wait();
- pending_comms.pop_back(); // remove it from the list
+ /* Create a communication representing the ongoing communication and then */
+ simgrid::s4u::CommPtr comm = mbox->put_async(payload, msg_size);
+ XBT_INFO("Send '%s' to '%s'", msg_content.c_str(), mbox->get_cname());
+
+ if (sleep_test_time > 0) { /* - "test_time" is set to 0, wait */
+ while (not comm->test()) { /* - Call test() every "sleep_test_time" otherwise */
+ simgrid::s4u::this_actor::sleep_for(sleep_test_time);
+ }
+ } else {
+ comm->wait();
+ }
}
- XBT_INFO("Goodbye now!");
- return 0;
+ /* Send message to let the receiver know that it should stop */
+ XBT_INFO("Send 'finalize' to 'receiver'");
+ mbox->put(new std::string("finalize"), 0);
}
/* Receiver actor expects 1 argument: its ID */
-static int receiver(int argc, char** argv)
+static void receiver(int, char**)
{
- xbt_assert(argc == 2, "Expecting one parameter from the XML deployment file but got %d", argc);
- simgrid::s4u::Mailbox* mbox = simgrid::s4u::Mailbox::by_name(std::string("receiver-") + argv[1]);
+ double sleep_start_time = 1.0;
+ double sleep_test_time = 0.1;
+
+ simgrid::s4u::Mailbox* mbox = simgrid::s4u::Mailbox::by_name("receiver");
+
+ XBT_INFO("sleep_start_time : %f , sleep_test_time : %f", sleep_start_time, sleep_test_time);
+ simgrid::s4u::this_actor::sleep_for(sleep_start_time);
XBT_INFO("Wait for my first message");
for (bool cont = true; cont;) {
- const std::string* received = static_cast<std::string*>(mbox->get());
+ void* payload;
+ simgrid::s4u::CommPtr comm = mbox->get_async(&payload);
+
+ if (sleep_test_time > 0) { /* - "test_time" is set to 0, wait */
+ while (not comm->test()) { /* - Call test() every "sleep_test_time" otherwise */
+ simgrid::s4u::this_actor::sleep_for(sleep_test_time);
+ }
+ } else {
+ comm->wait();
+ }
+
+ const std::string* received = static_cast<std::string*>(payload);
XBT_INFO("I got a '%s'.", received->c_str());
if (*received == "finalize")
cont = false; // If it's a finalize message, we're done.
delete received;
}
- return 0;
}
int main(int argc, char *argv[])