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try to find destination at every connect attempt

pull/93/head
orignal 10 years ago
parent
commit
fcb45a778b
  1. 135
      AddressBook.cpp
  2. 2
      AddressBook.h
  3. 24
      I2PTunnel.cpp

135
AddressBook.cpp

@ -14,87 +14,92 @@ namespace i2p
namespace data namespace data
{ {
AddressBook::AddressBook (): m_IsLoaded (false) AddressBook::AddressBook (): m_IsLoaded (false), m_IsDowloading (false)
{
}
const IdentHash * AddressBook::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;
}
void AddressBook::LoadHostsFromI2P ()
{
std::string content;
while (true)
{ {
// TODO: hosts link in config
int http_code = i2p::util::http::httpRequestViaI2pProxy("http://udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p/hosts.txt", content);
if (http_code ==200)
if (!boost::starts_with(content, "<html>") && !content.empty()) // TODO: test and remove
break;
std::this_thread::sleep_for(std::chrono::seconds(5));
} }
std::ofstream f_save(i2p::util::filesystem::GetFullPath("hosts.txt").c_str(), std::ofstream::out);
if (f_save.is_open()) const IdentHash * AddressBook::FindAddress (const std::string& address)
{ {
f_save << content; if (!m_IsLoaded)
f_save.close(); LoadHosts ();
if (m_IsLoaded)
{
auto it = m_Addresses.find (address);
if (it != m_Addresses.end ())
return &it->second;
}
return nullptr;
} }
else
LogPrint("Can't write hosts.txt");
m_IsLoaded = false;
return;
}
void AddressBook::LoadHosts () void AddressBook::LoadHostsFromI2P ()
{
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. Try to load..."); std::string content;
std::thread load_hosts(&AddressBook::LoadHostsFromI2P, this); int http_code = i2p::util::http::httpRequestViaI2pProxy("http://udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p/hosts.txt", content);
load_hosts.detach(); if (http_code == 200)
{
std::ofstream f_save(i2p::util::filesystem::GetFullPath("hosts.txt").c_str(), std::ofstream::out);
if (f_save.is_open())
{
f_save << content;
f_save.close();
}
else
LogPrint("Can't write hosts.txt");
m_IsLoaded = false;
}
else
LogPrint ("Failed to download hosts.txt");
m_IsDowloading = false;
return; return;
} }
int numAddresses = 0;
std::string s;
while (!f.eof ()) void AddressBook::LoadHosts ()
{ {
getline(f, s); std::ifstream f (i2p::util::filesystem::GetFullPath ("hosts.txt").c_str (), std::ofstream::in); // in text mode
if (!f.is_open ())
if (!s.length()) {
continue; // skip empty line LogPrint ("hosts.txt not found. Try to load...");
if (!m_IsDowloading)
{
m_IsDowloading = true;
std::thread load_hosts(&AddressBook::LoadHostsFromI2P, this);
load_hosts.detach();
}
return;
}
int numAddresses = 0;
size_t pos = s.find('='); std::string s;
if (pos != std::string::npos) while (!f.eof ())
{ {
std::string name = s.substr(0, pos++); getline(f, s);
std::string addr = s.substr(pos);
Identity ident; if (!s.length())
if (!ident.FromBase64(addr)) { continue; // skip empty line
LogPrint ("hosts.txt: ignore ", name);
continue; size_t pos = s.find('=');
}
m_Addresses[name] = ident.Hash(); if (pos != std::string::npos)
numAddresses++; {
} std::string name = s.substr(0, pos++);
std::string addr = s.substr(pos);
Identity ident;
if (!ident.FromBase64(addr))
{
LogPrint ("hosts.txt: ignore ", name);
continue;
}
m_Addresses[name] = ident.Hash();
numAddresses++;
}
}
LogPrint (numAddresses, " addresses loaded");
m_IsLoaded = true;
} }
LogPrint (numAddresses, " addresses loaded");
}
} }
} }

2
AddressBook.h

@ -26,7 +26,7 @@ namespace data
void LoadHostsFromI2P (); void LoadHostsFromI2P ();
std::map<std::string, IdentHash> m_Addresses; std::map<std::string, IdentHash> m_Addresses;
bool m_IsLoaded; bool m_IsLoaded, m_IsDowloading;
}; };
} }
} }

24
I2PTunnel.cpp

@ -131,7 +131,6 @@ namespace stream
for (auto it: m_Connections) for (auto it: m_Connections)
delete it; delete it;
m_Connections.clear (); m_Connections.clear ();
delete m_DestinationIdentHash;
m_DestinationIdentHash = nullptr; m_DestinationIdentHash = nullptr;
} }
@ -146,16 +145,33 @@ namespace stream
{ {
if (!ecode) if (!ecode)
{ {
if (!m_RemoteLeaseSet && m_DestinationIdentHash) if (!m_RemoteLeaseSet)
m_RemoteLeaseSet = i2p::data::netdb.FindLeaseSet (*m_DestinationIdentHash); {
if (m_RemoteLeaseSet) // try to get it
if (m_DestinationIdentHash)
m_RemoteLeaseSet = i2p::data::netdb.FindLeaseSet (*m_DestinationIdentHash);
else
{
auto identHash = i2p::data::netdb.FindAddress (m_Destination);
if (identHash)
{
m_DestinationIdentHash = new i2p::data::IdentHash (*identHash);
i2p::data::netdb.Subscribe (*m_DestinationIdentHash);
}
}
}
if (m_RemoteLeaseSet) // leaseSet found
{ {
LogPrint ("New I2PTunnel connection"); LogPrint ("New I2PTunnel connection");
auto connection = new I2PTunnelConnection (socket, m_RemoteLeaseSet); auto connection = new I2PTunnelConnection (socket, m_RemoteLeaseSet);
m_Connections.insert (connection); m_Connections.insert (connection);
} }
else else
{
LogPrint ("LeaseSet for I2PTunnel destination not found");
delete socket; delete socket;
}
Accept (); Accept ();
} }
else else

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