def NextGeneration( cls ):
"""
Get a generation number.
"""
now_sec, now_nsec = storagetypes.clock_gettime()
# 10ths of milliseconds
generation = now_sec * 10000 + now_nsec / 100000
return generation
def createvolume(request):
session = request.session
username = session['login_email']
message = ""
if request.method == "POST":
# Validate input forms
form = forms.CreateVolume(request.POST)
if form.is_valid():
# attempt to create the volume
# CREATE VOLUME
kwargs = {}
kwargs['name'] = form.cleaned_data['name']
kwargs['blocksize'] = int(form.cleaned_data['blocksize'])
kwargs['description'] = form.cleaned_data['description']
kwargs['volume_secret'] = form.cleaned_data['password']
kwargs['private'] = form.cleaned_data['private']
try:
volume_key = db.create_volume(username, **kwargs)
volume = volume_key.get()
except Exception, e:
logging.exception(e)
message = "Unable to create Volume '{}': {}".format(
form.cleaned_data['name'], e.message)
form = forms.CreateVolume()
t = loader.get_template('createvolume.html')
c = RequestContext(request, {
'username': username,
'form': form,
'message': message
})
return HttpResponse(t.render(c))
now_sec, now_nsec = clock_gettime()
rc = db.make_root(volume, volume.owner_id)
session['new_change'] = "Your new volume is ready."
session['next_url'] = '/syn/volume/myvolumes/'
session['next_message'] = "Click here to see your volumes."
return redirect('/syn/thanks/')
else:
# Prep returned form values (so they don't have to re-enter stuff)
if 'name' in form.errors:
oldname = ""
else:
oldname = request.POST['name']
if 'blocksize' in form.errors:
oldblocksize = ""
else:
oldblocksize = request.POST['blocksize']
if 'description' in form.errors:
olddescription = ""
else:
olddescription = request.POST['description']
# Prep error message
message = "Invalid form entry: "
for k, v in form.errors.items():
message = message + "\"" + k + "\"" + " -> "
for m in v:
message = message + m + " "
# Give then the form again
form = forms.CreateVolume(
initial={
'name': oldname,
'blocksize': oldblocksize,
'description': olddescription
})
t = loader.get_template('createvolume.html')
c = RequestContext(request, {
'username': username,
'form': form,
'message': message
})
return HttpResponse(t.render(c))
