i2pd/AddressBook.h

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2014-03-13 22:22:32 +04:00
#ifndef ADDRESS_BOOK_H__
#define ADDRESS_BOOK_H__
#include <string.h>
#include <string>
#include <map>
#include "base64.h"
#include "util.h"
#include "Identity.h"
#include "Log.h"
namespace i2p
{
namespace data
{
class AddressBook
{
public:
AddressBook (): m_IsLoaded (false) {};
const IdentHash * FindAddress (const std::string& address)
{
if (!m_IsLoaded)
LoadHosts ();
auto it = m_Addresses.find (address);
if (it != m_Addresses.end ())
return &it->second;
else
return nullptr;
}
private:
void LoadHosts ()
{
m_IsLoaded = true;
std::ifstream f (i2p::util::filesystem::GetFullPath ("hosts.txt").c_str (), std::ofstream::in); // in text mode
if (!f.is_open ())
{
LogPrint ("hosts.txt not found");
return;
}
int numAddresses = 0;
char str[1024];
while (!f.eof ())
{
f.getline (str, 1024);
char * key = strchr (str, '=');
if (key)
{
*key = 0;
key++;
Identity ident;
Base64ToByteStream (key, strlen(key), (uint8_t *)&ident, sizeof (ident));
m_Addresses[str] = CalculateIdentHash (ident);
numAddresses++;
}
}
LogPrint (numAddresses, " addresses loaded");
}
private:
std::map<std::string, IdentHash> m_Addresses;
bool m_IsLoaded;
};
}
}
#endif