src/s4u/s4u_Io.cpp

   1 /* Copyright (c) 2018-2019. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/s4u/Disk.hpp"
   7 #include "simgrid/s4u/Io.hpp"
   8 #include "simgrid/s4u/Storage.hpp"
   9 #include "src/kernel/activity/IoImpl.hpp"
  10 #include "xbt/log.h"
  11
  12 namespace simgrid {
  13 namespace s4u {
  14
  15 Io::Io(sg_disk_t disk, sg_size_t size, OpType type) : disk_(disk), size_(size), type_(type)
  16 {
  17   Activity::set_remaining(size_);
  18   pimpl_ = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
  19 }
  20
  21 Io::Io(sg_storage_t storage, sg_size_t size, OpType type) : storage_(storage), size_(size), type_(type)
  22 {
  23   Activity::set_remaining(size_);
  24   pimpl_ = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
  25 }
  26
  27 Io* Io::start()
  28 {
  29   kernel::actor::simcall([this] {
  30     if (storage_) {
  31       (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_))
  32           .set_name(get_name())
  33           .set_storage(storage_->get_impl())
  34           .set_size(size_)
  35           .set_type(type_)
  36           .start();
  37     } else {
  38       (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_))
  39           .set_name(get_name())
  40           .set_disk(disk_->get_impl())
  41           .set_size(size_)
  42           .set_type(type_)
  43           .start();
  44     }
  45   });
  46   state_ = State::STARTED;
  47   return this;
  48 }
  49
  50 Io* Io::cancel()
  51 {
  52   simgrid::kernel::actor::simcall([this] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->cancel(); });
  53   state_ = State::CANCELED;
  54   return this;
  55 }
  56
  57 Io* Io::wait()
  58 {
  59   simcall_io_wait(pimpl_);
  60   state_ = State::FINISHED;
  61   return this;
  62 }
  63
  64 Io* Io::wait_for(double)
  65 {
  66   THROW_UNIMPLEMENTED;
  67 }
  68
  69 bool Io::test()
  70 {
  71   xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::FINISHED);
  72
  73   if (state_ == State::FINISHED)
  74     return true;
  75
  76   if (state_ == State::INITED)
  77     this->start();
  78
  79   THROW_UNIMPLEMENTED;
  80
  81   // return false
  82 }
  83
  84 /** @brief Returns the amount of flops that remain to be done */
  85 double Io::get_remaining()
  86 {
  87   return kernel::actor::simcall(
  88       [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
  89 }
  90
  91 sg_size_t Io::get_performed_ioops()
  92 {
  93   return kernel::actor::simcall(
  94       [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops(); });
  95 }
  96
  97 } // namespace s4u
  98 } // namespace simgrid