/usr/include/caf/actor_addr.hpp is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#ifndef CAF_ACTOR_ADDR_HPP
#define CAF_ACTOR_ADDR_HPP
#include <cstddef>
#include <cstdint>
#include <functional>
#include <type_traits>
#include "caf/intrusive_ptr.hpp"
#include "caf/fwd.hpp"
#include "caf/abstract_actor.hpp"
#include "caf/detail/comparable.hpp"
namespace caf {
struct invalid_actor_addr_t {
constexpr invalid_actor_addr_t() {}
};
/**
* Identifies an invalid {@link actor_addr}.
* @relates actor_addr
*/
constexpr invalid_actor_addr_t invalid_actor_addr = invalid_actor_addr_t{};
/**
* Stores the address of typed as well as untyped actors.
*/
class actor_addr : detail::comparable<actor_addr>,
detail::comparable<actor_addr, abstract_actor*>,
detail::comparable<actor_addr, abstract_actor_ptr> {
friend class actor;
friend class abstract_actor;
template <class T, typename U>
friend T actor_cast(const U&);
public:
actor_addr() = default;
actor_addr(actor_addr&&) = default;
actor_addr(const actor_addr&) = default;
actor_addr& operator=(actor_addr&&) = default;
actor_addr& operator=(const actor_addr&) = default;
actor_addr(const invalid_actor_addr_t&);
actor_addr operator=(const invalid_actor_addr_t&);
inline explicit operator bool() const { return static_cast<bool>(m_ptr); }
inline bool operator!() const { return !m_ptr; }
intptr_t compare(const actor_addr& other) const;
intptr_t compare(const abstract_actor* other) const;
inline intptr_t compare(const abstract_actor_ptr& other) const {
return compare(other.get());
}
actor_id id() const;
node_id node() const;
/**
* Returns whether this is an address of a remote actor.
*/
bool is_remote() const;
/**
* Returns the set of accepted messages types as strings or
* an empty set if this actor is untyped.
*/
std::set<std::string> message_types() const;
private:
inline abstract_actor* get() const { return m_ptr.get(); }
explicit actor_addr(abstract_actor*);
abstract_actor_ptr m_ptr;
};
} // namespace caf
// allow actor_addr to be used in hash maps
namespace std {
template <>
struct hash<caf::actor_addr> {
inline size_t operator()(const caf::actor_addr& ref) const {
return static_cast<size_t>(ref.id());
}
};
} // namespace std
#endif // CAF_ACTOR_ADDR_HPP
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