networkaddress.h

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#pragma once
 
#include <variant>
#include <promeki/core/namespace.h>
#include <promeki/core/string.h>
#include <promeki/core/result.h>
#include <promeki/core/platform.h>
#include <promeki/network/ipv4address.h>
#include <promeki/network/ipv6address.h>
 
#if defined(PROMEKI_PLATFORM_WINDOWS)
#       include <winsock2.h>
#       include <ws2tcpip.h>
#elif !defined(PROMEKI_PLATFORM_EMSCRIPTEN)
#       include <sys/socket.h>
#       include <netinet/in.h>
#endif
 
PROMEKI_NAMESPACE_BEGIN
 
class TextStream;
 
class NetworkAddress {
        public:
                enum Type {
                        None = 0,       
                        IPv4,           
                        IPv6,           
                        Hostname        
                };
 
                static Result<NetworkAddress> fromString(const String &str);
 
#if !defined(PROMEKI_PLATFORM_EMSCRIPTEN)
                static Result<NetworkAddress> fromSockAddr(const struct sockaddr *addr, size_t len);
#endif
 
                NetworkAddress() = default;
 
                NetworkAddress(const Ipv4Address &addr) : _data(addr) { }
 
                NetworkAddress(const Ipv6Address &addr) : _data(addr) { }
 
                explicit NetworkAddress(const String &hostname) : _data(hostname) { }
 
                Type type() const;
 
                bool isNull() const { return std::holds_alternative<std::monostate>(_data); }
 
                bool isIPv4() const { return std::holds_alternative<Ipv4Address>(_data); }
 
                bool isIPv6() const { return std::holds_alternative<Ipv6Address>(_data); }
 
                bool isHostname() const { return std::holds_alternative<String>(_data); }
 
                bool isResolved() const { return isIPv4() || isIPv6(); }
 
                Ipv4Address toIpv4() const;
 
                Ipv6Address toIpv6() const;
 
                String hostname() const;
 
                bool isLoopback() const;
 
                bool isMulticast() const;
 
                bool isLinkLocal() const;
 
                String toString() const;
 
#if !defined(PROMEKI_PLATFORM_EMSCRIPTEN)
                size_t toSockAddr(struct sockaddr_storage *storage) const;
#endif
 
                bool operator==(const NetworkAddress &other) const { return _data == other._data; }
                bool operator!=(const NetworkAddress &other) const { return _data != other._data; }
 
        private:
                std::variant<std::monostate, Ipv4Address, Ipv6Address, String> _data;
};
 
TextStream &operator<<(TextStream &stream, const NetworkAddress &addr);
 
PROMEKI_NAMESPACE_END