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restructure build to separate the 3 main components into 3 subdirectories

Browse source 
libi2pd for core libs

libi2pd_client for i2pd client libs

daemon for i2pd daemon libs
This commit is contained in:
Jeff Becker 2017-04-21 06:33:45 -04:00
parent b3161dde93
commit 4cc3b7f9fb
140 changed files with 209 additions and 206 deletions
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195
libi2pd/Profiling.cpp Normal file
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#include <sys/stat.h>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/ini_parser.hpp>
#include "Base.h"
#include "FS.h"
#include "Log.h"
#include "Profiling.h"
namespace i2p
{
namespace data
{
i2p::fs::HashedStorage m_ProfilesStorage("peerProfiles", "p", "profile-", "txt");
RouterProfile::RouterProfile ():
m_LastUpdateTime (boost::posix_time::second_clock::local_time()),
m_NumTunnelsAgreed (0), m_NumTunnelsDeclined (0), m_NumTunnelsNonReplied (0),
m_NumTimesTaken (0), m_NumTimesRejected (0)
{
}
boost::posix_time::ptime RouterProfile::GetTime () const
{
return boost::posix_time::second_clock::local_time();
}
void RouterProfile::UpdateTime ()
{
m_LastUpdateTime = GetTime ();
}
void RouterProfile::Save (const IdentHash& identHash)
{
// fill sections
boost::property_tree::ptree participation;
participation.put (PEER_PROFILE_PARTICIPATION_AGREED, m_NumTunnelsAgreed);
participation.put (PEER_PROFILE_PARTICIPATION_DECLINED, m_NumTunnelsDeclined);
participation.put (PEER_PROFILE_PARTICIPATION_NON_REPLIED, m_NumTunnelsNonReplied);
boost::property_tree::ptree usage;
usage.put (PEER_PROFILE_USAGE_TAKEN, m_NumTimesTaken);
usage.put (PEER_PROFILE_USAGE_REJECTED, m_NumTimesRejected);
// fill property tree
boost::property_tree::ptree pt;
pt.put (PEER_PROFILE_LAST_UPDATE_TIME, boost::posix_time::to_simple_string (m_LastUpdateTime));
pt.put_child (PEER_PROFILE_SECTION_PARTICIPATION, participation);
pt.put_child (PEER_PROFILE_SECTION_USAGE, usage);
// save to file
std::string ident = identHash.ToBase64 ();
std::string path = m_ProfilesStorage.Path(ident);
try {
boost::property_tree::write_ini (path, pt);
} catch (std::exception& ex) {
/* boost exception verbose enough */
LogPrint (eLogError, "Profiling: ", ex.what ());
}
}
void RouterProfile::Load (const IdentHash& identHash)
{
std::string ident = identHash.ToBase64 ();
std::string path = m_ProfilesStorage.Path(ident);
boost::property_tree::ptree pt;
if (!i2p::fs::Exists(path))
{
LogPrint(eLogWarning, "Profiling: no profile yet for ", ident);
return;
}
try
{
boost::property_tree::read_ini (path, pt);
} catch (std::exception& ex)
{
/* boost exception verbose enough */
LogPrint (eLogError, "Profiling: ", ex.what ());
return;
}
try
{
auto t = pt.get (PEER_PROFILE_LAST_UPDATE_TIME, "");
if (t.length () > 0)
m_LastUpdateTime = boost::posix_time::time_from_string (t);
if ((GetTime () - m_LastUpdateTime).hours () < PEER_PROFILE_EXPIRATION_TIMEOUT)
{
try
{
// read participations
auto participations = pt.get_child (PEER_PROFILE_SECTION_PARTICIPATION);
m_NumTunnelsAgreed = participations.get (PEER_PROFILE_PARTICIPATION_AGREED, 0);
m_NumTunnelsDeclined = participations.get (PEER_PROFILE_PARTICIPATION_DECLINED, 0);
m_NumTunnelsNonReplied = participations.get (PEER_PROFILE_PARTICIPATION_NON_REPLIED, 0);
}
catch (boost::property_tree::ptree_bad_path& ex)
{
LogPrint (eLogWarning, "Profiling: Missing section ", PEER_PROFILE_SECTION_PARTICIPATION, " in profile for ", ident);
}
try
{
// read usage
auto usage = pt.get_child (PEER_PROFILE_SECTION_USAGE);
m_NumTimesTaken = usage.get (PEER_PROFILE_USAGE_TAKEN, 0);
m_NumTimesRejected = usage.get (PEER_PROFILE_USAGE_REJECTED, 0);
}
catch (boost::property_tree::ptree_bad_path& ex)
{
LogPrint (eLogWarning, "Missing section ", PEER_PROFILE_SECTION_USAGE, " in profile for ", ident);
}
}
else
*this = RouterProfile ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "Profiling: Can't read profile ", ident, " :", ex.what ());
}
}
void RouterProfile::TunnelBuildResponse (uint8_t ret)
{
UpdateTime ();
if (ret > 0)
m_NumTunnelsDeclined++;
else
m_NumTunnelsAgreed++;
}
void RouterProfile::TunnelNonReplied ()
{
m_NumTunnelsNonReplied++;
UpdateTime ();
}
bool RouterProfile::IsLowPartcipationRate () const
{
return 4*m_NumTunnelsAgreed < m_NumTunnelsDeclined; // < 20% rate
}
bool RouterProfile::IsLowReplyRate () const
{
auto total = m_NumTunnelsAgreed + m_NumTunnelsDeclined;
return m_NumTunnelsNonReplied > 10*(total + 1);
}
bool RouterProfile::IsBad ()
{
auto isBad = IsAlwaysDeclining () || IsLowPartcipationRate () /*|| IsLowReplyRate ()*/;
if (isBad && m_NumTimesRejected > 10*(m_NumTimesTaken + 1))
{
// reset profile
m_NumTunnelsAgreed = 0;
m_NumTunnelsDeclined = 0;
m_NumTunnelsNonReplied = 0;
isBad = false;
}
if (isBad) m_NumTimesRejected++; else m_NumTimesTaken++;
return isBad;
}
std::shared_ptr<RouterProfile> GetRouterProfile (const IdentHash& identHash)
{
auto profile = std::make_shared<RouterProfile> ();
profile->Load (identHash); // if possible
return profile;
}
void InitProfilesStorage ()
{
m_ProfilesStorage.SetPlace(i2p::fs::GetDataDir());
m_ProfilesStorage.Init(i2p::data::GetBase64SubstitutionTable(), 64);
}
void DeleteObsoleteProfiles ()
{
struct stat st;
std::time_t now = std::time(nullptr);
std::vector<std::string> files;
m_ProfilesStorage.Traverse(files);
for (const auto& path: files) {
if (stat(path.c_str(), &st) != 0) {
LogPrint(eLogWarning, "Profiling: Can't stat(): ", path);
continue;
}
if (((now - st.st_mtime) / 3600) >= PEER_PROFILE_EXPIRATION_TIMEOUT) {
LogPrint(eLogDebug, "Profiling: removing expired peer profile: ", path);
i2p::fs::Remove(path);
}
}
}
}
}