rename (make more sense like this)

[simgrid.git] / examples / s4u / io-storage-raw / s4u-io-storage-raw.cpp

diff --git a/examples/s4u/io-storage-raw/s4u-io-storage-raw.cpp b/examples/s4u/io-storage-raw/s4u-io-storage-raw.cpp
new file mode 100644 (file)
index 0000000..b4dc505
--- /dev/null
+++ b/examples/s4u/io-storage-raw/s4u-io-storage-raw.cpp
@@ -0,0 +1,58 @@
+/* Copyright (c) 2017. 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"
+#include <string>
+#include <unordered_map>
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(storage, "Messages specific for this simulation");
+
+static void host()
+{
+  /* - Display information on the disks mounted by the current host */
+  XBT_INFO("*** Storage info on %s ***", simgrid::s4u::Host::current()->getCname());
+
+  /* - Retrieve all mount points of current host */
+  std::unordered_map<std::string, simgrid::s4u::Storage*> const& storage_list =
+      simgrid::s4u::Host::current()->getMountedStorages();
+
+  /* - For each disk mounted on host, display disk name and mount point */
+  for (auto const& kv : storage_list)
+    XBT_INFO("Storage name: %s, mount name: %s", kv.second->getCname(), kv.first.c_str());
+
+  /* - Write 200,000 bytes on Disk4 */
+  simgrid::s4u::Storage* storage = simgrid::s4u::Storage::byName("Disk4");
+  sg_size_t write                = storage->write(200000);
+  XBT_INFO("Wrote %llu bytes on 'Disk4'", write);
+
+  /*  - Now read 200,000 bytes */
+  sg_size_t read = storage->read(200000);
+  XBT_INFO("Read %llu bytes on 'Disk4'", read);
+
+  /* - Attach some user data to disk1 */
+  XBT_INFO("*** Get/set data for storage element: Disk4 ***");
+
+  char* data = static_cast<char*>(storage->getUserdata());
+
+  XBT_INFO("Get storage data: '%s'", data);
+
+  storage->setUserdata(xbt_strdup("Some user data"));
+  data = static_cast<char*>(storage->getUserdata());
+  XBT_INFO("Set and get data: '%s'", data);
+  xbt_free(data);
+}
+
+int main(int argc, char** argv)
+{
+  simgrid::s4u::Engine e(&argc, argv);
+  e.loadPlatform(argv[1]);
+
+  simgrid::s4u::Actor::createActor("", simgrid::s4u::Host::by_name("denise"), host);
+
+  e.run();
+  XBT_INFO("Simulated time: %g", simgrid::s4u::Engine::getClock());
+
+  return 0;
+}