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extract caps

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orignal 2014-03-19 12:02:51 -04:00
parent d938332db2
commit b2fb466cde
3 changed files with 56 additions and 21 deletions
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40
RouterInfo.cpp
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@ -18,13 +18,13 @@ namespace i2p
namespace data
{
RouterInfo::RouterInfo (const char * filename):
m_IsUpdated (false), m_IsUnreachable (false), m_SupportedTransports (0)
m_IsUpdated (false), m_IsUnreachable (false), m_SupportedTransports (0), m_Caps (0)
{
ReadFromFile (filename);
}
RouterInfo::RouterInfo (const uint8_t * buf, int len):
m_IsUpdated (true), m_IsUnreachable (false), m_SupportedTransports (0)
m_IsUpdated (true), m_IsUnreachable (false), m_SupportedTransports (0), m_Caps (0)
{
memcpy (m_Buffer, buf, len);
m_BufferLen = len;
@ -175,6 +175,10 @@ namespace data
r += ReadString (value, s);
s.seekg (1, std::ios_base::cur); r++; // ;
m_Properties[key] = value;
// extract caps
if (strcmp (key, "caps"))
ExtractCaps (value);
}
CryptoPP::SHA256().CalculateDigest(m_IdentHash, (uint8_t *)&m_RouterIdentity, sizeof (m_RouterIdentity));
@ -185,6 +189,29 @@ namespace data
SetUnreachable (true);
}
void RouterInfo::ExtractCaps (const char * value)
{
m_Caps = 0;
const char * cap = value;
while (*cap)
{
switch (*cap)
{
case 'f':
m_Caps |= Caps::eFloodfill;
break;
case 'O':
m_Caps |= Caps::eHighBanwidth;
break;
case 'R':
m_Caps |= Caps::eReachable;
break;
default: ;
}
cap++;
}
}
void RouterInfo::UpdateIdentHashBase64 ()
{
size_t l = i2p::data::ByteStreamToBase64 (m_IdentHash, 32, m_IdentHashBase64, 48);
@ -337,10 +364,7 @@ namespace data
bool RouterInfo::IsFloodfill () const
{
const char * caps = GetProperty ("caps");
if (caps)
return strchr (caps, 'f');
return false;
return m_Caps & Caps::eFloodfill;
}
bool RouterInfo::IsNTCP (bool v4only) const
@ -361,9 +385,7 @@ namespace data
bool RouterInfo::UsesIntroducer () const
{
if (!IsSSU ()) return false;
auto address = GetSSUAddress (true); // no introducers for v6
return address && !address->introducers.empty ();
return !(m_Caps & Caps::eReachable); // non-reachable
}
const RouterInfo::Address * RouterInfo::GetNTCPAddress (bool v4only) const