def opt_out(request):
'''
The view function for opt-out.
the request.POST should contain {UserOpts.id:"checked"} for all the UserOpts
to be opted out.
'''
error_msg = []
profile = UserProfile.get_or_create_profile(request.user)
keys = request.POST.keys()
if (request.method == "POST"):
fv_args = []
for key in keys:
try:
# check all the keys that are integer values and opt them out.
int(key)
opt = UserOpts.objects.get(id=key)
except:
continue
ofs = OptsFlowSpace.objects.filter(opt=opt)
new_fv_args = opt_fses_outof_exp(ofs)
fv_args = fv_args + new_fv_args
opt.delete()
if len(error_msg) == 0:
# Now make sure the priorities are consequative
nice_opts = UserOpts.objects.filter(user=request.user,
nice=True).order_by('priority')
next_priority = profile.max_priority_level - Priority.Strict_Priority_Offset - 1
for opt in nice_opts:
if opt.priority != next_priority:
opt.priority = next_priority
opt.save()
new_args = update_match_struct_priority_and_get_fv_args(
opt)
fv_args = fv_args + new_args
next_priority = next_priority - 1
strict_opts = UserOpts.objects.filter(
user=request.user, nice=False).order_by('priority')
next_priority = profile.max_priority_level - 1
for opt in strict_opts:
if opt.priority != next_priority:
opt.priority = next_priority
opt.save()
new_args = update_match_struct_priority_and_get_fv_args(
opt)
fv_args = fv_args + new_args
next_priority = next_priority - 1
try:
fv = FVServerProxy.objects.all()[0]
try:
if len(fv_args) > 0:
fv.proxy.api.changeFlowSpace(fv_args)
except Exception, e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append(
"change flowspace in opt_out view failed: %s" % str(e))
except Exception, e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("Flowvisor not set: %s" % str(e))
def opt_out(request):
'''
The view function for opt-out.
the request.POST should contain {UserOpts.id:"checked"} for all the UserOpts
to be opted out.
'''
error_msg = []
profile = UserProfile.get_or_create_profile(request.user)
keys = request.POST.keys()
if (request.method == "POST"):
fv_args = []
for key in keys:
try:
# check all the keys that are integer values and opt them out.
int(key)
opt = UserOpts.objects.get(id=key)
except:
continue
ofs = OptsFlowSpace.objects.filter(opt=opt)
new_fv_args = opt_fses_outof_exp(ofs)
fv_args = fv_args + new_fv_args
opt.delete()
if len(error_msg) == 0:
# Now make sure the priorities are consequative
nice_opts = UserOpts.objects.filter(user = request.user,nice=True).order_by('priority')
next_priority = profile.max_priority_level - Priority.Strict_Priority_Offset - 1
for opt in nice_opts:
if opt.priority != next_priority:
opt.priority = next_priority
opt.save()
new_args = update_match_struct_priority_and_get_fv_args(opt)
fv_args = fv_args + new_args
next_priority = next_priority - 1
strict_opts = UserOpts.objects.filter(user = request.user,nice=False).order_by('priority')
next_priority = profile.max_priority_level - 1
for opt in strict_opts:
if opt.priority != next_priority:
opt.priority = next_priority
opt.save()
new_args = update_match_struct_priority_and_get_fv_args(opt)
fv_args = fv_args + new_args
next_priority = next_priority -1
try:
fv = FVServerProxy.objects.all()[0]
try:
if len(fv_args) > 0:
fv.proxy.api.changeFlowSpace(fv_args)
except Exception,e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("change flowspace in opt_out view failed: %s"%str(e))
except Exception,e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("Flowvisor not set: %s"%str(e))
def change_priority(request):
'''
The view function to change priorities of previous opt-ins.
request.POST should have a dictionary of "p_" followed by UserOpts database id as key
and the new priority as value
'''
fv_args = []
error_msg = []
max_priority = request.user.get_profile().max_priority_level
profile = UserProfile.get_or_create_profile(request.user)
keys = request.POST.keys()
if (request.method == "POST"):
for key in keys:
if key.startswith("p_"):
try:
pid = int(key[2:len(key)])
new_priority = int(request.POST[key])
except:
error_msg.append(
"Found invalid pair in request.POST: %s:%s" %
(key, request.POST[key]))
break
if (new_priority > max_priority):
error_msg.append("Priority %s, is larger than your maximum(%s)"\
% (new_priority, max_priority))
break
u = UserOpts.objects.get(pk=pid)
if (u.priority != new_priority):
u.priority = new_priority
if (u.priority >=
max_priority - Priority.Strict_Priority_Offset):
u.nice = False
else:
u.nice = True
u.save()
new_args = update_match_struct_priority_and_get_fv_args(u)
fv_args = fv_args + new_args
if len(error_msg) == 0:
try:
fv = FVServerProxy.objects.all()[0]
try:
if len(fv_args) > 0:
fv.proxy.api.changeFlowSpace(fv_args)
return simple.direct_to_template(
request,
template=
'openflow/optin_manager/opts/change_priority_successful.html',
extra_context={},
)
except Exception, e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("update flowspace priorities failed: %s" %
str(e))
except Exception, e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("Flowvisor not set: %s" % str(e))
else: #error msg has some content
transaction.rollback()
def change_priority(request):
'''
The view function to change priorities of previous opt-ins.
request.POST should have a dictionary of "p_" followed by UserOpts database id as key
and the new priority as value
'''
fv_args = []
error_msg = []
max_priority = request.user.get_profile().max_priority_level
profile = UserProfile.get_or_create_profile(request.user)
keys = request.POST.keys()
if (request.method == "POST"):
for key in keys:
if key.startswith("p_"):
try:
pid = int(key[2:len(key)])
new_priority = int(request.POST[key])
except:
error_msg.append("Found invalid pair in request.POST: %s:%s"%(key,request.POST[key]))
break
if (new_priority > max_priority):
error_msg.append("Priority %s, is larger than your maximum(%s)"\
% (new_priority, max_priority))
break
u = UserOpts.objects.get(pk=pid)
if (u.priority != new_priority):
u.priority = new_priority
if (u.priority >= max_priority - Priority.Strict_Priority_Offset):
u.nice = False
else:
u.nice = True
u.save()
new_args = update_match_struct_priority_and_get_fv_args(u)
fv_args = fv_args + new_args
if len(error_msg) == 0:
try:
fv = FVServerProxy.objects.all()[0]
try:
if len(fv_args) > 0:
fv.proxy.api.changeFlowSpace(fv_args)
return simple.direct_to_template(request,
template = 'openflow/optin_manager/opts/change_priority_successful.html',
extra_context = {},
)
except Exception,e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("update flowspace priorities failed: %s"%str(e))
except Exception,e:
import traceback
traceback.print_exc()
transaction.rollback()
error_msg.append("Flowvisor not set: %s"%str(e))
else: #error msg has some content
transaction.rollback()
