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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2018 Dominik Charousset *
* *
* 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. *
******************************************************************************/
#pragma once
#include <map>
#include <vector>
#include <string>
#include <utility>
#include <functional>
#include <initializer_list>
#include "caf/optional.hpp"
#include "caf/io/network/protocol.hpp"
#include "caf/io/network/ip_endpoint.hpp"
namespace caf {
namespace io {
namespace network {
// {protocol => address}
using address_listing = std::map<protocol::network, std::vector<std::string>>;
// {interface_name => {protocol => address}}
using interfaces_map = std::map<std::string, address_listing>;
/// Utility class bundling access to network interface names and addresses.
class interfaces {
public:
/// Consumes `{interface_name, protocol_type, is_localhost, address}` entries.
using consumer = std::function<void (const char*, protocol::network,
bool, const char*)>;
/// Traverses all network interfaces for given protocols using `f`.
static void traverse(std::initializer_list<protocol::network> ps, consumer f);
/// Traverses all network interfaces using `f`.
static void traverse(consumer f);
/// Returns a map listing each interface by its name.
static interfaces_map list_all(bool include_localhost = true);
/// Returns all addresses for all devices for all protocols.
static address_listing list_addresses(bool include_localhost = true);
/// Returns all addresses for all devices for given protocols.
static std::vector<std::string>
list_addresses(std::initializer_list<protocol::network> procs,
bool include_localhost = true);
/// Returns all addresses for all devices for given protocol.
static std::vector<std::string> list_addresses(protocol::network proc,
bool include_localhost = true);
/// Returns a native IPv4 or IPv6 translation of `host`.
static optional<std::pair<std::string, protocol::network>>
native_address(const std::string& host,
optional<protocol::network> preferred = none);
/// Returns the host and protocol available for a local server socket
static std::vector<std::pair<std::string, protocol::network>>
server_address(uint16_t port, const char* host,
optional<protocol::network> preferred = none);
/// Writes datagram endpoint info for `host`:`port` into ep
static bool
get_endpoint(const std::string& host, uint16_t port, ip_endpoint& ep,
optional<protocol::network> preferred = none);
};
} // namespace network
} // namespace io
} // namespace caf
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