Quoting Bishara AbuHattoum (2017-08-22 08:55:04) > At the moment, Windows libraries don't provide a way to access > RTC, so, a workaround is to use the Windows w32tm command to > resync the time. > Related bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1183874 > > Signed-off-by: Bishara AbuHattoum <bish...@daynix.com>
Thanks, applied to qga tree: https://github.com/mdroth/qemu/commits/qga > --- > configure | 2 +- > qga/commands-win32.c | 36 +++++++++++++++++++++++++++++++++++- > 2 files changed, 36 insertions(+), 2 deletions(-) > > diff --git a/configure b/configure > index dd73cce62f..2c044ba2ca 100755 > --- a/configure > +++ b/configure > @@ -824,7 +824,7 @@ if test "$mingw32" = "yes" ; then > sysconfdir="\${prefix}" > local_statedir= > confsuffix="" > - libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -liphlpapi -lnetapi32 > $libs_qga" > + libs_qga="-lws2_32 -lwinmm -lpowrprof -lwtsapi32 -lwininet -liphlpapi > -lnetapi32 $libs_qga" > fi > > werror="" > diff --git a/qga/commands-win32.c b/qga/commands-win32.c > index 619dbd2bc2..fbd7eb7bbb 100644 > --- a/qga/commands-win32.c > +++ b/qga/commands-win32.c > @@ -29,6 +29,7 @@ > #endif > #include <lm.h> > #include <wtsapi32.h> > +#include <wininet.h> > > #include "qga/guest-agent-core.h" > #include "qga/vss-win32.h" > @@ -1277,8 +1278,41 @@ void qmp_guest_set_time(bool has_time, int64_t > time_ns, Error **errp) > * RTC yet: > * > * https://msdn.microsoft.com/en-us/library/aa908981.aspx > + * > + * Instead, a workaround is to use the Windows win32tm command to > + * resync the time using the Windows Time service. > */ > - error_setg(errp, "Time argument is required on this platform"); > + LPVOID msg_buffer; > + DWORD ret_flags; > + > + HRESULT hr = system("w32tm /resync /nowait"); > + > + if (GetLastError() != 0) { > + strerror_s((LPTSTR) & msg_buffer, 0, errno); > + error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); > + } else if (hr != 0) { > + if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { > + error_setg(errp, "Windows Time service not running on the " > + "guest"); > + } else { > + if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | > + FORMAT_MESSAGE_FROM_SYSTEM | > + FORMAT_MESSAGE_IGNORE_INSERTS, NULL, > + (DWORD)hr, MAKELANGID(LANG_NEUTRAL, > + SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, > 0, > + NULL)) { > + error_setg(errp, "w32tm failed with error (0x%lx), > couldn'" > + "t retrieve error message", hr); > + } else { > + error_setg(errp, "w32tm failed with error (0x%lx): %s", > hr, > + (LPCTSTR)msg_buffer); > + LocalFree(msg_buffer); > + } > + } > + } else if (!InternetGetConnectedState(&ret_flags, 0)) { > + error_setg(errp, "No internet connection on guest, sync not " > + "accurate"); > + } > return; > } > > -- > 2.13.5 >
