#include "netbase.h"
#include "net.h"
-#include "util.h"
+//#include "util.h"
+#include "ui_interface.h"
extern int GetRandInt(int nMax);
int len=48;
int retcode = sendto(sockfd, (char *) msg, len, 0, &cliaddr, servlen);
if (retcode < 0) {
- printf("sendto() failed: %d", retcode);
+ printf("sendto() failed: %d\n", retcode);
return -3;
}
retcode = select(sockfd + 1, &fdset, NULL, NULL, &timeout);
if (retcode <= 0) {
- printf("recvfrom() error");
+ printf("recvfrom() error\n");
return -4;
}
}
void ThreadNtpSamples(void* parg) {
+ const int64_t nMaxOffset = 86400; // Not a real limit, just sanity threshold.
- // Maximum offset is 2 hours.
- const int64_t nMaxOffset = 7200;
+ printf("Trying to find NTP server at localhost...\n");
+
+ std::string strLocalHost = "127.0.0.1";
+ if (NtpGetTime(strLocalHost) == GetTime()) {
+ printf("There is NTP server active at localhost, we don't need NTP thread.\n");
+
+ nNtpOffset = 0;
+ return;
+ }
printf("ThreadNtpSamples started\n");
vnThreadsRunning[THREAD_NTP]++;
if (abs64(nClockOffset) < nMaxOffset) {
// Everything seems right, remember new trusted offset.
+ printf("ThreadNtpSamples: new offset sample from %s, offset=%" PRId64 ".\n", strTrustedUpstream.c_str(), nClockOffset);
nNtpOffset = nClockOffset;
}
else {
- // Something went wrong. Disable trusted offset sampling and wait 600 seconds.
+ // Something went wrong, disable trusted offset sampling.
nNtpOffset = INT64_MAX;
strTrustedUpstream = "localhost";
- for (int i = 0; i < 600 && !fShutdown; i++) // Sleep for 5 minutes
+ int nSleepMinutes = 1 + GetRandInt(9); // Sleep for 1-10 minutes.
+ for (int i = 0; i < nSleepMinutes * 60 && !fShutdown; i++)
Sleep(1000);
continue;
int64_t nClockOffset = NtpGetTime(ip) - GetTime();
if (abs64(nClockOffset) < nMaxOffset) { // Skip the deliberately wrong timestamps
+ printf("ThreadNtpSamples: new offset sample from %s, offset=%" PRId64 ".\n", ip.ToString().c_str(), nClockOffset);
vTimeOffsets.input(nClockOffset);
}
}
- if (vTimeOffsets.size() > 2) {
+ if (vTimeOffsets.size() > 1) {
nNtpOffset = vTimeOffsets.median();
}
else {
- // Not enough offsets yet, try again 300 seconds later.
+ // Not enough offsets yet, try to collect additional samples later.
nNtpOffset = INT64_MAX;
- for (int i = 0; i < 300 && !fShutdown; i++)
+ int nSleepMinutes = 1 + GetRandInt(4); // Sleep for 1-5 minutes.
+ for (int i = 0; i < nSleepMinutes * 60 && !fShutdown; i++)
Sleep(1000);
continue;
}
}
+ if (GetNodesOffset() == INT_MAX && abs64(nNtpOffset) > 40 * 60)
+ {
+ // If there is not enough node offsets data and NTP time offset is greater than 40 minutes then give a warning.
+ std::string strMessage = _("Warning: Please check that your computer's date and time are correct! If your clock is wrong NovaCoin will not work properly.");
+ strMiscWarning = strMessage;
+ printf("*** %s\n", strMessage.c_str());
+ uiInterface.ThreadSafeMessageBox(strMessage+" ", std::string("NovaCoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION);
+ }
+
printf("nNtpOffset = %+" PRId64 " (%+" PRId64 " minutes)\n", nNtpOffset, nNtpOffset/60);
- for (int i = 0; i < 43200 && !fShutdown; i++) // Sleep for 12 hours
+ int nSleepHours = 1 + GetRandInt(5); // Sleep for 1-6 hours.
+ for (int i = 0; i < nSleepHours * 3600 && !fShutdown; i++)
Sleep(1000);
}