add the Storage::read_async and Storage::write_async methods

[simgrid.git] / examples / s4u / io-async / s4u-io-async.cpp

diff --git a/examples/s4u/io-async/s4u-io-async.cpp b/examples/s4u/io-async/s4u-io-async.cpp
new file mode 100644 (file)
index 0000000..7b40346
--- /dev/null
+++ b/examples/s4u/io-async/s4u-io-async.cpp
@@ -0,0 +1,47 @@
+/* Copyright (c) 2007-2018. 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. */
+
+#include "simgrid/s4u.hpp"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(s4u_test, "Messages specific for this s4u example");
+
+static void test(sg_size_t size)
+{
+  simgrid::s4u::Storage* storage = simgrid::s4u::Storage::by_name("Disk1");
+  XBT_INFO("Hello! read %llu bytes from Storage %s", size, storage->get_cname());
+
+  simgrid::s4u::IoPtr activity = storage->io_init(size, simgrid::s4u::Io::OpType::READ);
+  activity->start();
+  activity->wait();
+
+  XBT_INFO("Goodbye now!");
+}
+
+static void test_cancel(sg_size_t size)
+{
+  simgrid::s4u::Storage* storage = simgrid::s4u::Storage::by_name("Disk2");
+  XBT_INFO("Hello! write %llu bytes from Storage %s", size, storage->get_cname());
+
+  simgrid::s4u::IoPtr activity = storage->write_async(size);
+  simgrid::s4u::this_actor::sleep_for(0.5);
+  XBT_INFO("I changed my mind, cancel!");
+  activity->cancel();
+
+  XBT_INFO("Goodbye now!");
+}
+
+int main(int argc, char* argv[])
+{
+  simgrid::s4u::Engine e(&argc, argv);
+  e.load_platform(argv[1]);
+  simgrid::s4u::Actor::create("test", simgrid::s4u::Host::by_name("bob"), test, 2e7);
+  simgrid::s4u::Actor::create("test_cancel", simgrid::s4u::Host::by_name("alice"), test_cancel, 5e7);
+
+  e.run();
+
+  XBT_INFO("Simulation time %g", e.get_clock());
+
+  return 0;
+}