Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Change name()/cname() to getName()/getCname() in surf::FileImpl.
[simgrid.git] / src / surf / storage_n11.cpp
index 579ea96..e25812c 100644 (file)
@@ -6,24 +6,24 @@
 #include "storage_n11.hpp"
 #include "simgrid/s4u/Engine.hpp"
 #include "src/kernel/routing/NetPoint.hpp"
-#include <math.h> /*ceil*/
+#include <cmath> /*ceil*/
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_storage);
 
 /*************
  * CallBacks *
  *************/
-extern std::map<std::string, storage_type_t> storage_types;
+extern std::map<std::string, simgrid::surf::StorageType*> storage_types;
 
 static void check_disk_attachment()
 {
-  for (auto s : *simgrid::surf::StorageImpl::storagesMap()) {
-    simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s.second->attach_.c_str());
+  for (auto const& s : *simgrid::surf::StorageImpl::storagesMap()) {
+    simgrid::kernel::routing::NetPoint* host_elm = sg_netpoint_by_name_or_null(s.second->getHost().c_str());
     if (not host_elm)
-      surf_parse_error("Unable to attach storage %s: host %s does not exist.", s.second->cname(),
-                       s.second->attach_.c_str());
+      surf_parse_error(std::string("Unable to attach storage ") + s.second->getCname() + ": host " +
+                       s.second->getHost() + " does not exist.");
     else
-      s.second->piface_.attached_to_ = sg_host_by_name(s.second->attach_.c_str());
+      s.second->piface_.attached_to_ = sg_host_by_name(s.second->getHost().c_str());
   }
 }
 
@@ -46,21 +46,22 @@ void surf_storage_model_init_default()
 namespace simgrid {
 namespace surf {
 
-StorageImpl* StorageN11Model::createStorage(const char* id, const char* type_id, const char* content_name,
-                                            const char* attach)
+StorageImpl* StorageN11Model::createStorage(std::string id, std::string type_id, std::string content_name,
+                                            std::string attach)
 {
-  storage_type_t storage_type = storage_types.at(type_id);
+  StorageType* storage_type = storage_types.at(type_id);
 
-  double Bread =
-      surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(), "property Bread, storage", type_id);
+  double Bread = surf_parse_get_bandwidth(storage_type->model_properties->at("Bread").c_str(),
+                                          "property Bread, storage", type_id.c_str());
   double Bwrite = surf_parse_get_bandwidth(storage_type->model_properties->at("Bwrite").c_str(),
-                                           "property Bwrite, storage", type_id);
+                                           "property Bwrite, storage", type_id.c_str());
 
-  StorageImpl* storage = new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, (char*)content_name,
-                                        storage_type->size, (char*)attach);
+  StorageImpl* storage =
+      new StorageN11(this, id, maxminSystem_, Bread, Bwrite, type_id, content_name, storage_type->size, attach);
   storageCreatedCallbacks(storage);
 
-  XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tBread '%f'\n", id, type_id, Bread);
+  XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s'\n\t\tBread '%f'\n", id.c_str(), type_id.c_str(),
+            Bread);
 
   p_storageList.push_back(storage);
 
@@ -69,70 +70,38 @@ StorageImpl* StorageN11Model::createStorage(const char* id, const char* type_id,
 
 double StorageN11Model::nextOccuringEvent(double now)
 {
-  double min_completion = StorageModel::nextOccuringEventFull(now);
-
-  for(auto storage: p_storageList) {
-    double rate = 0;
-    // Foreach write action on that disk
-    for (auto write_action: storage->writeActions_) {
-      rate += lmm_variable_getvalue(write_action->getVariable());
-    }
-    if(rate > 0)
-      min_completion = MIN(min_completion, (storage->size_-storage->usedSize_)/rate);
-  }
-
-  return min_completion;
+  return StorageModel::nextOccuringEventFull(now);
 }
 
 void StorageN11Model::updateActionsState(double /*now*/, double delta)
 {
-
   ActionList *actionSet = getRunningActionSet();
-  for(ActionList::iterator it(actionSet->begin()), itNext=it, itend(actionSet->end())
-      ; it != itend ; it=itNext) {
+  for (ActionList::iterator it(actionSet->begin()), itNext = it, itend(actionSet->end()); it != itend; it = itNext) {
     ++itNext;
 
     StorageAction *action = static_cast<StorageAction*>(&*it);
 
-    if (action->type_ == WRITE) {
-      // Update the disk usage
-      // Update the file size
-      // For each action of type write
-      double current_progress = delta * lmm_variable_getvalue(action->getVariable());
-      long int incr = current_progress;
-
-      XBT_DEBUG("%s:\n\t progress =  %.2f, current_progress = %.2f, incr = %ld, lrint(1) = %ld, lrint(2) = %ld",
-                action->file_->cname(), action->progress_, current_progress, incr,
-                lrint(action->progress_ + current_progress), lrint(action->progress_) + incr);
+    double current_progress = lrint(lmm_variable_getvalue(action->getVariable()) * delta);
 
-      /* take care of rounding error accumulation */
-      if (lrint(action->progress_ + current_progress) > lrint(action->progress_) + incr)
-        incr++;
-
-      action->progress_ += current_progress;
-
-      action->storage_->usedSize_ += incr;     // disk usage
-      action->file_->incrPosition(incr);       // current_position
-      //  which becomes the new file size
+    action->updateRemains(current_progress);
+    if (action->type_ == WRITE) {
+      action->storage_->usedSize_ += current_progress;
+      action->file_->incrPosition(current_progress);
       action->file_->setSize(action->file_->tell());
 
-      action->storage_->content_->erase(action->file_->cname());
-      action->storage_->content_->insert({action->file_->cname(), action->file_->size()});
+      action->storage_->getContent()->erase(action->file_->getCname());
+      action->storage_->getContent()->insert({action->file_->getCname(), action->file_->size()});
     }
 
-    action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
-
     if (action->getMaxDuration() > NO_MAX_DURATION)
       action->updateMaxDuration(delta);
 
     if (action->getRemainsNoUpdate() > 0 && lmm_get_variable_weight(action->getVariable()) > 0 &&
-        action->storage_->usedSize_ == action->storage_->size_) {
-      action->finish();
-      action->setState(Action::State::failed);
+        action->storage_->usedSize_ == action->storage_->getSize()) {
+      action->finish(Action::State::failed);
     } else if (((action->getRemainsNoUpdate() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) ||
                ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) {
-      action->finish();
-      action->setState(Action::State::done);
+      action->finish(Action::State::done);
     }
   }
 }
@@ -141,83 +110,22 @@ void StorageN11Model::updateActionsState(double /*now*/, double delta)
  * Resource *
  ************/
 
-StorageN11::StorageN11(StorageModel* model, const char* name, lmm_system_t maxminSystem, double bread, double bwrite,
-                       const char* type_id, char* content_name, sg_size_t size, char* attach)
+StorageN11::StorageN11(StorageModel* model, std::string name, lmm_system_t maxminSystem, double bread, double bwrite,
+                       std::string type_id, std::string content_name, sg_size_t size, std::string attach)
     : StorageImpl(model, name, maxminSystem, bread, bwrite, type_id, content_name, size, attach)
 {
   XBT_DEBUG("Create resource with Bread '%f' Bwrite '%f' and Size '%llu'", bread, bwrite, size);
   simgrid::s4u::Storage::onCreation(this->piface_);
 }
 
-StorageAction *StorageN11::open(const char* mount, const char* path)
-{
-  XBT_DEBUG("\tOpen file '%s'",path);
-
-  sg_size_t size;
-  // if file does not exist create an empty file
-  if (content_->find(path) != content_->end())
-    size = content_->at(path);
-  else {
-    size = 0;
-    content_->insert({path, size});
-    XBT_DEBUG("File '%s' was not found, file created.",path);
-  }
-  FileImpl* file = new FileImpl(path, mount, size);
-
-  StorageAction* action = new StorageN11Action(model(), 0, isOff(), this, OPEN);
-  action->file_         = file;
-
-  return action;
-}
-
-StorageAction *StorageN11::close(surf_file_t fd)
-{
-  XBT_DEBUG("\tClose file '%s' size '%llu'", fd->cname(), fd->size());
-  // unref write actions from storage
-  for (std::vector<StorageAction*>::iterator it = writeActions_.begin(); it != writeActions_.end();) {
-    StorageAction *write_action = *it;
-    if ((write_action->file_) == fd) {
-      write_action->unref();
-      it = writeActions_.erase(it);
-    } else {
-      ++it;
-    }
-  }
-  delete fd;
-  StorageAction* action = new StorageN11Action(model(), 0, isOff(), this, CLOSE);
-  return action;
-}
-
-StorageAction *StorageN11::read(surf_file_t fd, sg_size_t size)
+StorageAction* StorageN11::read(sg_size_t size)
 {
-  if (fd->tell() + size > fd->size()) {
-    if (fd->tell() > fd->size()) {
-      size = 0;
-    } else {
-      size = fd->size() - fd->tell();
-    }
-    fd->setPosition(fd->size());
-  }
-  else
-    fd->incrPosition(size);
-
-  StorageAction* action = new StorageN11Action(model(), size, isOff(), this, READ);
-  return action;
+  return new StorageN11Action(model(), size, isOff(), this, READ);
 }
 
-StorageAction *StorageN11::write(surf_file_t fd, sg_size_t size)
+StorageAction* StorageN11::write(sg_size_t size)
 {
-  XBT_DEBUG("\tWrite file '%s' size '%llu/%llu'", fd->cname(), size, fd->size());
-
-  StorageAction* action = new StorageN11Action(model(), size, isOff(), this, WRITE);
-  action->file_         = fd;
-  /* Substract the part of the file that might disappear from the used sized on the storage element */
-  usedSize_ -= (fd->size() - fd->tell());
-  // If the storage is full before even starting to write
-  if(usedSize_==size_) {
-    action->setState(Action::State::failed);
-  }
-  return action;
+  return new StorageN11Action(model(), size, isOff(), this, WRITE);
 }
 
 /**********
@@ -228,25 +136,16 @@ StorageN11Action::StorageN11Action(Model* model, double cost, bool failed, Stora
                                    e_surf_action_storage_type_t type)
     : StorageAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, -1.0, 3), storage, type)
 {
-  XBT_IN("(%s,%g", storage->cname(), cost);
+  XBT_IN("(%s,%g", storage->getCname(), cost);
 
   // Must be less than the max bandwidth for all actions
   lmm_expand(model->getMaxminSystem(), storage->constraint(), getVariable(), 1.0);
   switch(type) {
-  case OPEN:
-  case CLOSE:
-  case STAT:
-    break;
   case READ:
     lmm_expand(model->getMaxminSystem(), storage->constraintRead_, getVariable(), 1.0);
     break;
   case WRITE:
     lmm_expand(model->getMaxminSystem(), storage->constraintWrite_, getVariable(), 1.0);
-
-    //TODO there is something annoying with what's below. Have to sort it out...
-    //    Action *action = this;
-    //    storage->p_writeActions->push_back(action);
-    //    ref();
     break;
   default:
     THROW_UNIMPLEMENTED;
@@ -299,7 +198,7 @@ void StorageN11Action::setMaxDuration(double /*duration*/)
   THROW_UNIMPLEMENTED;
 }
 
-void StorageN11Action::setPriority(double /*priority*/)
+void StorageN11Action::setSharingWeight(double /*priority*/)
 {
   THROW_UNIMPLEMENTED;
 }