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Isolate lib_base library. Use crl::time in getms.

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This commit is contained in:
John Preston
2018-08-08 23:11:28 +03:00
parent cb371f09ac
commit 64b8adb3d0
23 changed files with 267 additions and 157 deletions
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92
Telegram/SourceFiles/core/utils.cpp
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@@ -194,52 +194,34 @@ namespace {
return 0;
}
float64 _msFreq;
float64 _msgIdCoef;
TimeMs _msStart = 0, _msAddToMsStart = 0, _msAddToUnixtime = 0;
int32 _timeStart = 0;
class _MsInitializer {
class _MsStarter {
public:
_MsInitializer() {
_MsStarter() {
#ifdef Q_OS_WIN
LARGE_INTEGER li;
QueryPerformanceFrequency(&li);
_msFreq = 1000. / float64(li.QuadPart);
// 0xFFFF0000L istead of 0x100000000L to make msgId grow slightly slower, than unixtime and we had time to reconfigure
_msgIdCoef = float64(0xFFFF0000L) / float64(li.QuadPart);
QueryPerformanceCounter(&li);
_msStart = li.QuadPart;
const auto seed = li.QuadPart;
#elif defined Q_OS_MAC
mach_timebase_info_data_t tb = { 0, 0 };
mach_timebase_info(&tb);
_msFreq = (float64(tb.numer) / tb.denom) / 1000000.;
const auto freq = (float64(tb.numer) / tb.denom) / 1000000.;
_msgIdCoef = freq * (float64(0xFFFF0000L) / 1000.);
_msgIdCoef = _msFreq * (float64(0xFFFF0000L) / 1000.);
_msStart = mach_absolute_time();
const auto seed = mach_absolute_time();
#else
timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
//_msFreq = 1 / 1000000.;
_msgIdCoef = float64(0xFFFF0000L) / 1000000000.;
_msStart = 1000LL * static_cast<TimeMs>(ts.tv_sec) + (static_cast<TimeMs>(ts.tv_nsec) / 1000000LL);
_msgIdCoef = float64(0xFFFF0000L) / 1000000000.;
timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
const auto seed = 1000LL * static_cast<TimeMs>(ts.tv_sec) + (static_cast<TimeMs>(ts.tv_nsec) / 1000000LL);
#endif
_timeStart = LocalUnixtime();
srand((uint32)(_msStart & 0xFFFFFFFFL));
}
};
void _msInitialize() {
static _MsInitializer _msInitializer;
}
class _MsStarter {
public:
_MsStarter() {
getms();
srand((uint32)(seed & 0xFFFFFFFFL));
}
};
_MsStarter _msStarter;
@@ -365,11 +347,25 @@ namespace ThirdParty {
Platform::ThirdParty::start();
if (!RAND_status()) { // should be always inited in all modern OS
char buf[16];
memcpy(buf, &_msStart, 8);
memcpy(buf + 8, &_msFreq, 8);
uchar sha256Buffer[32];
RAND_seed(hashSha256(buf, 16, sha256Buffer), 32);
const auto FeedSeed = [](auto value) {
RAND_seed(&value, sizeof(value));
};
#ifdef Q_OS_WIN
LARGE_INTEGER li;
QueryPerformanceFrequency(&li);
FeedSeed(li.QuadPart);
QueryPerformanceCounter(&li);
FeedSeed(li.QuadPart);
#elif defined Q_OS_MAC
mach_timebase_info_data_t tb = { 0 };
mach_timebase_info(&tb);
FeedSeed(tb);
FeedSeed(mach_absolute_time());
#else
timespec ts = { 0 };
clock_gettime(CLOCK_MONOTONIC, &ts);
FeedSeed(ts);
#endif
if (!RAND_status()) {
LOG(("MTP Error: Could not init OpenSSL rand, RAND_status() is 0..."));
}
@@ -429,12 +425,7 @@ namespace ThirdParty {
}
bool checkms() {
auto unixms = (LocalUnixtime() - _timeStart) * 1000LL + _msAddToUnixtime;
auto ms = getms(true);
if (ms > unixms + 1000LL) {
_msAddToUnixtime = ((ms - unixms) / 1000LL) * 1000LL;
} else if (unixms > ms + 1000LL) {
_msAddToMsStart += ((unixms - ms) / 1000LL) * 1000LL;
if (crl::adjust_time()) {
Sandbox::adjustSingleTimers();
return true;
}
@@ -442,24 +433,7 @@ bool checkms() {
}
TimeMs getms(bool checked) {
_msInitialize();
#ifdef Q_OS_WIN
LARGE_INTEGER li;
QueryPerformanceCounter(&li);
return ((li.QuadPart - _msStart) * _msFreq) + (checked ? _msAddToMsStart : 0LL);
#elif defined Q_OS_MAC
auto msCount = static_cast<TimeMs>(mach_absolute_time());
return ((msCount - _msStart) * _msFreq) + (checked ? _msAddToMsStart : 0LL);
#else
timespec ts;
auto res = clock_gettime(CLOCK_MONOTONIC, &ts);
if (res != 0) {
LOG(("Bad clock_gettime result: %1").arg(res));
return 0;
}
auto msCount = 1000LL * static_cast<TimeMs>(ts.tv_sec) + (static_cast<TimeMs>(ts.tv_nsec) / 1000000LL);
return (msCount - _msStart) + (checked ? _msAddToMsStart : 0LL);
#endif
return crl::time();
}
uint64 msgid() {