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Safe conversion to unix time.

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GitOrigin-RevId: cd851e5196ea43269e7e3ec52ac0df8093966c9a
This commit is contained in:
levlam 2019-12-25 18:35:36 +03:00
parent bd559bf13a
commit a1b67327b1
2 changed files with 13 additions and 7 deletions
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11
td/telegram/Global.cpp
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@ -104,8 +104,10 @@ Status Global::init(const TdParameters &parameters, ActorId<Td> td, unique_ptr<T
double diff = saved_diff.diff + default_time_difference;
if (saved_diff.system_time > system_time) {
double time_backwards_fix = saved_diff.system_time - system_time;
LOG(WARNING) << "Fix system time which went backwards: " << format::as_time(time_backwards_fix) << " "
<< tag("saved_system_time", saved_diff.system_time) << tag("system_time", system_time);
if (time_backwards_fix > 60) {
LOG(WARNING) << "Fix system time which went backwards: " << format::as_time(time_backwards_fix) << " "
<< tag("saved_system_time", saved_diff.system_time) << tag("system_time", system_time);
}
diff += time_backwards_fix;
}
LOG(DEBUG) << "LOAD: " << tag("server_time_difference", diff);
@ -118,6 +120,11 @@ Status Global::init(const TdParameters &parameters, ActorId<Td> td, unique_ptr<T
return Status::OK();
}
int32 Global::to_unix_time(double server_time) {
LOG_CHECK(1.0 <= server_time && server_time <= 2140000000.0) << server_time << " " << Clocks::system();
return static_cast<int32>(server_time);
}
void Global::update_server_time_difference(double diff) {
if (!server_time_difference_was_updated_ || server_time_difference_ < diff) {
server_time_difference_ = diff;

9
td/telegram/Global.h
View File

@ -124,9 +124,6 @@ class Global : public ActorContext {
return *shared_config_;
}
double from_server_time(double date) const {
return date - get_server_time_difference();
}
double to_server_time(double now) const {
return now + get_server_time_difference();
}
@ -137,10 +134,10 @@ class Global : public ActorContext {
return to_server_time(Time::now_cached());
}
int32 unix_time() const {
return static_cast<int32>(server_time());
return to_unix_time(server_time());
}
int32 unix_time_cached() const {
return static_cast<int32>(server_time_cached());
return to_unix_time(server_time_cached());
}
void update_server_time_difference(double diff);
@ -426,6 +423,8 @@ class Global : public ActorContext {
std::unordered_map<int64, int64> location_access_hashes_;
static int32 to_unix_time(double server_time);
void do_save_server_time_difference();
void do_close(Promise<> on_finish, bool destroy_flag);