// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#include "crimson/os/seastore/cached_extent.h"

#include "crimson/common/log.h"

namespace {
  [[maybe_unused]] seastar::logger& logger() {
    return crimson::get_logger(ceph_subsys_filestore);
  }
}

namespace crimson::os::seastore {

#ifdef DEBUG_CACHED_EXTENT_REF

void intrusive_ptr_add_ref(CachedExtent *ptr)
{
  intrusive_ptr_add_ref(
    static_cast<boost::intrusive_ref_counter<
    CachedExtent,
    boost::thread_unsafe_counter>*>(ptr));
    logger().debug("intrusive_ptr_add_ref: {}", *ptr);
}

void intrusive_ptr_release(CachedExtent *ptr)
{
  logger().debug("intrusive_ptr_release: {}", *ptr);
  intrusive_ptr_release(
    static_cast<boost::intrusive_ref_counter<
    CachedExtent,
    boost::thread_unsafe_counter>*>(ptr));
}

#endif

std::ostream &operator<<(std::ostream &out, CachedExtent::extent_state_t state)
{
  switch (state) {
  case CachedExtent::extent_state_t::INITIAL_WRITE_PENDING:
    return out << "INITIAL_WRITE_PENDING";
  case CachedExtent::extent_state_t::MUTATION_PENDING:
    return out << "MUTATION_PENDING";
  case CachedExtent::extent_state_t::CLEAN:
    return out << "CLEAN";
  case CachedExtent::extent_state_t::DIRTY:
    return out << "DIRTY";
  case CachedExtent::extent_state_t::INVALID:
    return out << "INVALID";
  default:
    return out << "UNKNOWN";
  }
}

std::ostream &operator<<(std::ostream &out, const CachedExtent &ext)
{
  return ext.print(out);
}

CachedExtent::~CachedExtent()
{
  if (parent_index) {
    parent_index->erase(*this);
  }
}

std::ostream &LogicalCachedExtent::print_detail(std::ostream &out) const
{
  out << ", laddr=" << laddr;
  if (pin) {
    out << ", pin=" << *pin;
  } else {
    out << ", pin=empty";
  }
  return print_detail_l(out);
}

std::ostream &operator<<(std::ostream &out, const LBAPin &rhs)
{
  return out << "LBAPin(" << rhs.get_laddr() << "~" << rhs.get_length()
	     << "->" << rhs.get_paddr();
}

std::ostream &operator<<(std::ostream &out, const lba_pin_list_t &rhs)
{
  bool first = true;
  out << '[';
  for (auto &i: rhs) {
    out << (first ? "" : ",") << *i;
    first = false;
  }
  return out << ']';
}

}