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10 seconds max timeout for NTP

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orignal 2016-11-01 18:40:00 -04:00
parent 1ecd5250fc
commit d5e77e9bb2
2 changed files with 13 additions and 6 deletions
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15
Timestamp.cpp
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@ -9,7 +9,7 @@ namespace i2p
{
namespace util
{
std::chrono::seconds g_TimeOffset (0);
static int64_t g_TimeOffset = 0; // in seconds
void SyncTimeWithNTP (const std::string& address)
{
@ -31,17 +31,26 @@ namespace util
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, "NTP error: ", e.what ());
}
if (len >= 8)
{
auto ourTs = GetSecondsSinceEpoch ();
uint32_t ts = bufbe32toh (buf + 32);
if (ts > 2208988800U) ts -= 2208988800U; // 1/1/1970 from 1/1/1900
g_TimeOffset = std::chrono::seconds(ts) - std::chrono::duration_cast<std::chrono::seconds>(std::chrono::system_clock::now().time_since_epoch());
LogPrint (eLogInfo, address, " time offset from system time is ", g_TimeOffset.count (), " seconds");
g_TimeOffset = ts - ourTs;
LogPrint (eLogInfo, address, " time offset from system time is ", g_TimeOffset, " seconds");
}
}
}

2
Timestamp.h
View file

@ -8,8 +8,6 @@ namespace i2p
{
namespace util
{
extern std::chrono::seconds g_TimeOffset;
inline uint64_t GetMillisecondsSinceEpoch ()
{
return std::chrono::duration_cast<std::chrono::milliseconds>(