Implement I/O as asynchronous activities

[simgrid.git] / src / simix / smx_io.cpp

diff --git a/src/simix/smx_io.cpp b/src/simix/smx_io.cpp
index 9361f1d..1f9d6fd 100644 (file)
--- a/src/simix/smx_io.cpp
+++ b/src/simix/smx_io.cpp
@@ -1,58 +1,62 @@
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
+/* 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 <xbt/ex.hpp>
-#include <xbt/sysdep.h>
-#include <xbt/log.h>
-
 #include "simgrid/s4u/Host.hpp"
-#include "simgrid/s4u/Storage.hpp"
-#include "src/surf/FileImpl.hpp"
-#include "src/surf/HostImpl.hpp"
+#include "xbt/ex.hpp"
+
+#include "smx_private.hpp"
+#include "src/kernel/activity/IoImpl.hpp"
+#include "src/simix/smx_io_private.hpp"
 #include "src/surf/StorageImpl.hpp"
-#include "surf/surf.h"
 
-#include "src/surf/surf_interface.hpp"
-#include "smx_private.h"
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
+
+simgrid::kernel::activity::IoImplPtr SIMIX_io_start(std::string name, sg_size_t size, sg_storage_t storage)
+{
+  /* set surf's action */
+  simgrid::kernel::resource::Action* surf_action = storage->pimpl_->io_start(size);
 
-#include "src/kernel/activity/SynchroIo.hpp"
+  simgrid::kernel::activity::IoImplPtr io =
+      simgrid::kernel::activity::IoImplPtr(new simgrid::kernel::activity::IoImpl(name, surf_action, storage));
 
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
+  XBT_DEBUG("Create IO synchro %p %s", io.get(), name.c_str());
+  simgrid::kernel::activity::IoImpl::on_creation(io);
+
+  return io;
+}
 
-//SIMIX FILE READ
-void simcall_HANDLER_file_read(smx_simcall_t simcall, surf_file_t fd, sg_size_t size)
+void simcall_HANDLER_storage_read(smx_simcall_t simcall, surf_storage_t st, sg_size_t size)
 {
-  smx_activity_t synchro = SIMIX_file_read(fd, size);
-  synchro->simcalls.push_back(simcall);
+  smx_activity_t synchro = SIMIX_storage_read(st, size);
+  synchro->simcalls_.push_back(simcall);
   simcall->issuer->waiting_synchro = synchro;
 }
 
-smx_activity_t SIMIX_file_read(surf_file_t file, sg_size_t size)
+smx_activity_t SIMIX_storage_read(surf_storage_t st, sg_size_t size)
 {
   simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl();
-  synchro->surf_io                           = file->read(size);
+  synchro->surf_action_                      = st->read(size);
 
-  synchro->surf_io->setData(synchro);
+  synchro->surf_action_->set_data(synchro);
   XBT_DEBUG("Create io synchro %p", synchro);
 
   return synchro;
 }
 
-//SIMIX FILE WRITE
-void simcall_HANDLER_file_write(smx_simcall_t simcall, surf_file_t fd, sg_size_t size)
+void simcall_HANDLER_storage_write(smx_simcall_t simcall, surf_storage_t st, sg_size_t size)
 {
-  smx_activity_t synchro = SIMIX_file_write(fd, size);
-  synchro->simcalls.push_back(simcall);
+  smx_activity_t synchro = SIMIX_storage_write(st, size);
+  synchro->simcalls_.push_back(simcall);
   simcall->issuer->waiting_synchro = synchro;
 }
 
-smx_activity_t SIMIX_file_write(surf_file_t file, sg_size_t size)
+smx_activity_t SIMIX_storage_write(surf_storage_t st, sg_size_t size)
 {
   simgrid::kernel::activity::IoImpl* synchro = new simgrid::kernel::activity::IoImpl();
-  synchro->surf_io                           = file->write(size);
-  synchro->surf_io->setData(synchro);
+  synchro->surf_action_                      = st->write(size);
+  synchro->surf_action_->set_data(synchro);
   XBT_DEBUG("Create io synchro %p", synchro);
 
   return synchro;
@@ -62,14 +66,14 @@ void SIMIX_io_destroy(smx_activity_t synchro)
 {
   simgrid::kernel::activity::IoImplPtr io = boost::static_pointer_cast<simgrid::kernel::activity::IoImpl>(synchro);
   XBT_DEBUG("Destroy synchro %p", synchro.get());
-  if (io->surf_io)
-    io->surf_io->unref();
+  if (io->surf_action_)
+    io->surf_action_->unref();
 }
 
 void SIMIX_io_finish(smx_activity_t synchro)
 {
-  for (smx_simcall_t simcall : synchro->simcalls) {
-    switch (synchro->state) {
+  for (smx_simcall_t const& simcall : synchro->simcalls_) {
+    switch (synchro->state_) {
       case SIMIX_DONE:
         /* do nothing, synchro done */
         break;
@@ -80,11 +84,11 @@ void SIMIX_io_finish(smx_activity_t synchro)
         SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
         break;
       default:
-        xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast<int>(synchro->state));
+        xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast<int>(synchro->state_));
     }
 
-    if (simcall->issuer->host->isOff()) {
-      simcall->issuer->context->iwannadie = 1;
+    if (simcall->issuer->host_->is_off()) {
+      simcall->issuer->context_->iwannadie = 1;
     }
 
     simcall->issuer->waiting_synchro = nullptr;