IpLocationStore Class Reference

#include "IPLocation.h"

Public Member Functions
	IpLocationStore ()
	~IpLocationStore ()
void	Load ()
IpLocationRecord const *	GetLocationRecord (std::string const &ipAddress) const

Static Public Member Functions
static IpLocationStore *	instance ()

Private Attributes
std::vector< IpLocationRecord >	_ipLocationStore

Detailed Description

Constructor & Destructor Documentation

IpLocationStore()

IpLocationStore::IpLocationStore

(

)

{
}

~IpLocationStore()

IpLocationStore::~IpLocationStore

(

)

{
}

Member Function Documentation

GetLocationRecord()

IpLocationRecord const * IpLocationStore::GetLocationRecord

(

std::string const &

ipAddress

)

const

{
    uint32 ip = Acore::Net::address_to_uint(Acore::Net::make_address_v4(ipAddress));
    auto itr = std::upper_bound(_ipLocationStore.begin(), _ipLocationStore.end(), ip, [](uint32 ip, IpLocationRecord const& loc) { return ip < loc.IpTo; });
    if (itr == _ipLocationStore.end())
    {
        return nullptr;
    }
 
    if (ip < itr->IpFrom)
    {
        return nullptr;
    }
 
    return &(*itr);
}

References _ipLocationStore, and Acore::Net::address_to_uint().

instance()

IpLocationStore * IpLocationStore::instance ( )

static

{
    static IpLocationStore instance;
    return &instance;
}

References instance().

Referenced by instance().

Load()

void IpLocationStore::Load

(

)

{
    _ipLocationStore.clear();
    LOG_INFO("server.loading", "Loading IP Location Database...");
 
    std::string databaseFilePath = sConfigMgr->GetOption<std::string>("IPLocationFile", "");
    if (databaseFilePath.empty())
    {
        LOG_INFO("server.loading", " ");
        return;
    }
 
    // Check if file exists
    std::ifstream databaseFile(databaseFilePath);
    if (!databaseFile)
    {
        LOG_ERROR("server.loading", "IPLocation: No ip database file exists ({}).", databaseFilePath);
        return;
    }
 
    if (!databaseFile.is_open())
    {
        LOG_ERROR("server.loading", "IPLocation: Ip database file ({}) can not be opened.", databaseFilePath);
        return;
    }
 
    std::string ipFrom;
    std::string ipTo;
    std::string countryCode;
    std::string countryName;
 
    while (databaseFile.good())
    {
        // Read lines
        if (!std::getline(databaseFile, ipFrom, ','))
            break;
        if (!std::getline(databaseFile, ipTo, ','))
            break;
        if (!std::getline(databaseFile, countryCode, ','))
            break;
        if (!std::getline(databaseFile, countryName, '\n'))
            break;
 
        // Remove new lines and return
        countryName.erase(std::remove(countryName.begin(), countryName.end(), '\r'), countryName.end());
        countryName.erase(std::remove(countryName.begin(), countryName.end(), '\n'), countryName.end());
 
        // Remove quotation marks
        ipFrom.erase(std::remove(ipFrom.begin(), ipFrom.end(), '"'), ipFrom.end());
        ipTo.erase(std::remove(ipTo.begin(), ipTo.end(), '"'), ipTo.end());
        countryCode.erase(std::remove(countryCode.begin(), countryCode.end(), '"'), countryCode.end());
        countryName.erase(std::remove(countryName.begin(), countryName.end(), '"'), countryName.end());
 
        // Convert country code to lowercase
        std::transform(countryCode.begin(), countryCode.end(), countryCode.begin(), ::tolower);
 
        auto IpFrom = Acore::StringTo<uint32>(ipFrom);
        auto IpTo = Acore::StringTo<uint32>(ipTo);
 
        if (!IpFrom || !IpTo)
            continue;
 
        _ipLocationStore.emplace_back(*IpFrom, *IpTo, std::move(countryCode), std::move(countryName));
    }
 
    std::sort(_ipLocationStore.begin(), _ipLocationStore.end(), [](IpLocationRecord const& a, IpLocationRecord const& b) { return a.IpFrom < b.IpFrom; });
    ASSERT(std::is_sorted(_ipLocationStore.begin(), _ipLocationStore.end(), [](IpLocationRecord const& a, IpLocationRecord const& b) { return a.IpFrom < b.IpTo; }),
        "Overlapping IP ranges detected in database file");
 
    databaseFile.close();
 
    LOG_INFO("server.loading", ">> Loaded {} ip location entries.", static_cast<uint32>(_ipLocationStore.size()));
    LOG_INFO("server.loading", " ");
}

References _ipLocationStore, ASSERT, LOG_ERROR, LOG_INFO, and sConfigMgr.

Member Data Documentation

_ipLocationStore

std::vector<IpLocationRecord> IpLocationStore::_ipLocationStore

private

Referenced by GetLocationRecord(), and Load().