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I2P -> .NET

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Михаил Подивилов 2019-05-11 18:25:50 +03:00
parent f176f1909b
commit fdb0ce6703
272 changed files with 5702 additions and 8931 deletions
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libi2pd/Timestamp.cpp
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@ -1,203 +0,0 @@
#include <time.h>
#include <stdio.h>
#include <inttypes.h>
#include <string.h>
#include <chrono>
#include <future>
#include <boost/asio.hpp>
#include <boost/algorithm/string.hpp>
#include "Config.h"
#include "Log.h"
#include "I2PEndian.h"
#include "Timestamp.h"
#ifdef WIN32
#ifndef _WIN64
#define _USE_32BIT_TIME_T
#endif
#endif
namespace i2p
{
namespace util
{
static uint64_t GetLocalMillisecondsSinceEpoch ()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::system_clock::now().time_since_epoch()).count ();
}
static uint32_t GetLocalHoursSinceEpoch ()
{
return std::chrono::duration_cast<std::chrono::hours>(
std::chrono::system_clock::now().time_since_epoch()).count ();
}
static uint64_t GetLocalSecondsSinceEpoch ()
{
return std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::system_clock::now().time_since_epoch()).count ();
}
static int64_t g_TimeOffset = 0; // in seconds
static void SyncTimeWithNTP (const std::string& address)
{
LogPrint (eLogInfo, "Timestamp: NTP request to ", address);
boost::asio::io_service service;
boost::asio::ip::udp::resolver::query query (boost::asio::ip::udp::v4 (), address, "ntp");
boost::system::error_code ec;
auto it = boost::asio::ip::udp::resolver (service).resolve (query, ec);
if (!ec && it != boost::asio::ip::udp::resolver::iterator())
{
auto ep = (*it).endpoint (); // take first one
boost::asio::ip::udp::socket socket (service);
socket.open (boost::asio::ip::udp::v4 (), ec);
if (!ec)
{
uint8_t buf[48];// 48 bytes NTP request/response
memset (buf, 0, 48);
htobe32buf (buf, (3 << 27) | (3 << 24)); // RFC 4330
size_t len = 0;
try
{
socket.send_to (boost::asio::buffer (buf, 48), ep);
int i = 0;
while (!socket.available() && i < 10) // 10 seconds max
{
std::this_thread::sleep_for (std::chrono::seconds(1));
i++;
}
if (socket.available ())
len = socket.receive_from (boost::asio::buffer (buf, 48), ep);
}
catch (std::exception& e)
{
LogPrint (eLogError, "Timestamp: NTP error: ", e.what ());
}
if (len >= 8)
{
auto ourTs = GetLocalSecondsSinceEpoch ();
uint32_t ts = bufbe32toh (buf + 32);
if (ts > 2208988800U) ts -= 2208988800U; // 1/1/1970 from 1/1/1900
g_TimeOffset = ts - ourTs;
LogPrint (eLogInfo, "Timestamp: ", address, " time offset from system time is ", g_TimeOffset, " seconds");
}
}
else
LogPrint (eLogError, "Timestamp: Couldn't open UDP socket");
}
else
LogPrint (eLogError, "Timestamp: Couldn't resove address ", address);
}
NTPTimeSync::NTPTimeSync (): m_IsRunning (false), m_Timer (m_Service)
{
i2p::config::GetOption("nettime.ntpsyncinterval", m_SyncInterval);
std::string ntpservers; i2p::config::GetOption("nettime.ntpservers", ntpservers);
boost::split (m_NTPServersList, ntpservers, boost::is_any_of(","), boost::token_compress_on);
}
NTPTimeSync::~NTPTimeSync ()
{
Stop ();
}
void NTPTimeSync::Start()
{
if (m_NTPServersList.size () > 0)
{
m_IsRunning = true;
LogPrint(eLogInfo, "Timestamp: NTP time sync starting");
m_Service.post (std::bind (&NTPTimeSync::Sync, this));
m_Thread.reset (new std::thread (std::bind (&NTPTimeSync::Run, this)));
}
else
LogPrint (eLogWarning, "Timestamp: No NTP server found");
}
void NTPTimeSync::Stop ()
{
if (m_IsRunning)
{
LogPrint(eLogInfo, "Timestamp: NTP time sync stopping");
m_IsRunning = false;
m_Timer.cancel ();
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
m_Thread.reset (nullptr);
}
}
}
void NTPTimeSync::Run ()
{
while (m_IsRunning)
{
try
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "Timestamp: NTP time sync exception: ", ex.what ());
}
}
}
void NTPTimeSync::Sync ()
{
if (m_NTPServersList.size () > 0)
SyncTimeWithNTP (m_NTPServersList[rand () % m_NTPServersList.size ()]);
else
m_IsRunning = false;
if (m_IsRunning)
{
m_Timer.expires_from_now (boost::posix_time::hours (m_SyncInterval));
m_Timer.async_wait ([this](const boost::system::error_code& ecode)
{
if (ecode != boost::asio::error::operation_aborted)
Sync ();
});
}
}
uint64_t GetMillisecondsSinceEpoch ()
{
return GetLocalMillisecondsSinceEpoch () + g_TimeOffset*1000;
}
uint32_t GetHoursSinceEpoch ()
{
return GetLocalHoursSinceEpoch () + g_TimeOffset/3600;
}
uint64_t GetSecondsSinceEpoch ()
{
return GetLocalSecondsSinceEpoch () + g_TimeOffset;
}
void GetCurrentDate (char * date)
{
GetDateString (GetSecondsSinceEpoch (), date);
}
void GetDateString (uint64_t timestamp, char * date)
{
using clock = std::chrono::system_clock;
auto t = clock::to_time_t (clock::time_point (std::chrono::seconds(timestamp)));
struct tm tm;
#ifdef _WIN32
gmtime_s(&tm, &t);
sprintf_s(date, 9, "%04i%02i%02i", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
#else
gmtime_r(&t, &tm);
sprintf(date, "%04i%02i%02i", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
#endif
}
}
}