IPAddress.cpp

/*
** libutil++
** $Id: IPAddress.cpp 1702 2016-08-13 23:26:06Z sella $
** Copyright (c) 2011-2016 Digital Genesis, LLC. All Rights Reserved.
** Released under the LGPL Version 2.1 License.
** http://www.digitalgenesis.com
*/

static const char rcsid[] __attribute__((used)) = "$Id: IPAddress.cpp 1702 2016-08-13 23:26:06Z sella $";

#include "IPAddress.h"
#include "../net/IPAddress.h"
#include "../util/CommonMacro.h"

using namespace sella::variant;
namespace sn = sella::net;

IPAddress::IPAddress() throw () : Nullable(std::make_shared<sn::IPAddress>()) { }

IPAddress::IPAddress(const std::string &value) throw (TypeCastException) : Nullable() {
        if (LIKELY(boost::regex_match(value, IPAddress::Pattern()))) {
                this->value = std::make_shared<sn::IPAddress>(value);
        } else {
                THROW(TypeCastException, "unable to cast '%s' to a ipaddress value", value.c_str());
        }
}

IPAddress::IPAddress(const sn::IPAddress &value) throw () : Nullable(std::make_shared<sn::IPAddress>(value)) { }

IPAddress::IPAddress(sn::IPAddress &&value) throw () : Nullable(std::make_shared<sn::IPAddress>(std::move(value))) { }

IPAddress::IPAddress(const IPAddress &other) throw () : Nullable() {
        if (LIKELY(this != &other)) {
                if (LIKELY(!other.isNull())) {
                        if (UNLIKELY(isNull())) {
                                this->value = std::make_shared<sn::IPAddress>(other.get());
                        } else {
                                *std::static_pointer_cast<sn::IPAddress>(this->value) = *std::static_pointer_cast<sn::IPAddress>(other.value);
                        }
                } else {
                        this->value.reset();
                }
        }
}

IPAddress::IPAddress(IPAddress &&other) throw () : Nullable() {
        if (UNLIKELY(!other.isNull())) {
                this->value = std::move(other.value);
        }
}

bool IPAddress::operator==(const IPAddress &other) const throw () {
        return (*std::static_pointer_cast<sn::IPAddress>(this->value) == *std::static_pointer_cast<sn::IPAddress>(other.value));
}

bool IPAddress::operator!=(const IPAddress &other) const throw () {
        return !(*this == other);
}

bool IPAddress::operator>(const IPAddress &other) const throw () {
        return (*std::static_pointer_cast<sn::IPAddress>(this->value) > *std::static_pointer_cast<sn::IPAddress>(other.value));
}

bool IPAddress::operator<(const IPAddress &other) const throw () {
        return (*std::static_pointer_cast<sn::IPAddress>(this->value) < *std::static_pointer_cast<sn::IPAddress>(other.value));
}

IPAddress& IPAddress::operator=(const IPAddress &other) throw () {
        if (LIKELY(this != &other)) {
                if (LIKELY(!other.isNull())) {
                        if (UNLIKELY(isNull())) {
                                this->value = std::make_shared<sn::IPAddress>(other.get());
                        } else {
                                *std::static_pointer_cast<sn::IPAddress>(this->value) = *std::static_pointer_cast<sn::IPAddress>(other.value);
                        }
                } else {
                        this->value.reset();
                }
        }

        return *this;
}

IPAddress& IPAddress::operator=(IPAddress &&other) throw () {
        if (LIKELY(this != &other)) {
                if (LIKELY(!other.isNull())) {
                        this->value = std::move(other.value);
                }
        }

        return *this;
}

IPAddress& IPAddress::operator=(const sella::net::IPAddress &other) throw () {
        if (UNLIKELY(isNull())) {
                this->value = std::make_shared<sn::IPAddress>(other);
        } else {
                *std::static_pointer_cast<sn::IPAddress>(this->value) = other;
        }

        return *this;
}

IPAddress::~IPAddress() throw () { }

const sn::IPAddress& IPAddress::get() const throw (UnsupportedOperatorException) {
        if (UNLIKELY(isNull())) {
                THROW(UnsupportedOperatorException, "unable to take reference of null value");
        }

        return *std::static_pointer_cast<sn::IPAddress>(this->value);
}

sn::IPAddress& IPAddress::get() throw (UnsupportedOperatorException) {
        if (UNLIKELY(isNull())) {
                THROW(UnsupportedOperatorException, "unable to take reference of null value");
        }

        return *std::static_pointer_cast<sn::IPAddress>(this->value);
}

void IPAddress::clear() throw() {
        if (UNLIKELY(isNull())) {
                this->value = std::make_shared<sn::IPAddress>();
        } else {
                std::static_pointer_cast<sn::IPAddress>(this->value)->clear();
        }
}

void IPAddress::msgpack(sella::util::MessagePack &mpack, uint32_t &offset) const throw (TypeCastException) {
        uint32_t c;

        if (UNLIKELY(isNull())) {
                c = mpack.append(offset);
        } else {
                c = mpack.append(offset, std::static_pointer_cast<sella::net::IPAddress>(this->value)->str());
        }

        offset += c;

        if (UNLIKELY(c == 0)) {
                THROW(TypeCastException, "Failed to append '%s' at offset %d (buffer length: %d)", str(JSON).c_str(), offset, mpack.length());
        }
}

void IPAddress::msgpackBufferSize(size_t &size) const throw () {
        if (UNLIKELY(isNull())) {
                size += 1;

                return;
        }

        size += 5 + (std::static_pointer_cast<sella::net::IPAddress>(this->value)->getFamily() == sn::IPAddress::IPv4Family) ? 15 : 39;
}

std::string IPAddress::str(int type) const throw () {
        if (UNLIKELY(isNull())) {
                return "null";
        }

        return this->get().str();
}

bool IPAddress::isType(const char *value, size_t size) throw () {
        unsigned char buf[sizeof(struct in6_addr)];

        for (int i = 0, len = (size > 5) ? 5 : size; i < len; i++) {
                if (value[i] == '.') { /* Possibly an IPv4 address */
                        return (inet_pton(AF_INET, value, buf) == 1);
                } else if (value[i] == ':') { /* Possibly an IPv6 address */
                        return (inet_pton(AF_INET6, value, buf) == 1);
                }
        }

        return false;
}

/*
** vim: noet ts=3 sw=3
*/