def activate_rules(self, imsi, msisdn: bytes, uplink_tunnel: int, ip_addr, apn_ambr, policies):
"""
Activate the flows for a subscriber based on the rules stored in Redis.
During activation, a default flow may be installed for the subscriber.
Args:
imsi (string): subscriber id
msisdn (bytes): subscriber MSISDN
uplink_tunnel(int): Tunnel ID of the subscriber session.
ip_addr (string): subscriber session ipv4 address
policies (VersionedPolicies []): list of versioned policies to activate
"""
if self._datapath is None:
self.logger.error('Datapath not initialized for adding flows')
return ActivateFlowsResult(
policy_results=[RuleModResult(
rule_id=policy.rule.id,
version=policy.version,
result=RuleModResult.FAILURE,
) for policy in policies],
)
policy_results = []
for policy in policies:
res = self._install_flow_for_rule(imsi, msisdn, uplink_tunnel, ip_addr, apn_ambr, policy.rule, policy.version)
policy_results.append(RuleModResult(rule_id=policy.rule.id, version=policy.version, result=res))
# Install a base flow for when no rule is matched.
self._install_default_flow_for_subscriber(imsi, ip_addr)
return ActivateFlowsResult(
policy_results=policy_results,
)
def activate_flows(self, imsi, ip_addr, static_rule_ids, dynamic_rules,
fut):
"""
Activate the flows for a subscriber based on the rules stored in Redis.
During activation, another low priority flow is installed for the
subscriber in the event that all rules are out of credit.
Args:
imsi (string): subscriber id
ip_addr (string): subscriber session ipv4 address
static_rule_ids (string []): list of static rules to activate
dynamic_rules (PolicyRule []): list of dynamic rules to activate
fut (Future): future to wait on the results of flow activations
"""
if self._datapath is None:
self.logger.error('Datapath not initialized for adding flows')
fut.set_result(
ActivateFlowsResult(
static_rule_results=[
RuleModResult(
rule_id=rule_id,
result=RuleModResult.FAILURE,
) for rule_id in static_rule_ids
],
dynamic_rule_results=[
RuleModResult(
rule_id=rule.id,
result=RuleModResult.FAILURE,
) for rule in dynamic_rules
],
))
return
static_results = []
for rule_id in static_rule_ids:
res = self._install_flow_for_static_rule(imsi, ip_addr, rule_id)
static_results.append(RuleModResult(rule_id=rule_id, result=res))
dyn_results = []
for rule in dynamic_rules:
res = self._install_flow_for_rule(imsi, ip_addr, rule)
dyn_results.append(RuleModResult(rule_id=rule.id, result=res))
# No matter what, install base flow to drop packets when all other
# flows have been deactivated
self._install_drop_flow(imsi)
fut.set_result(
ActivateFlowsResult(
static_rule_results=static_results,
dynamic_rule_results=dyn_results,
))
def activate_rules(self, imsi, msisdn: bytes, uplink_tunnel: int, ip_addr,
apn_ambr, static_rule_ids, dynamic_rules):
"""
Activate the flows for a subscriber based on the rules stored in Redis.
During activation, a default flow may be installed for the subscriber.
Args:
imsi (string): subscriber id
msisdn (bytes): subscriber MSISDN
uplink_tunnel(int): Tunnel ID of the subscriber session.
ip_addr (string): subscriber session ipv4 address
static_rule_ids (string []): list of static rules to activate
dynamic_rules (PolicyRule []): list of dynamic rules to activate
"""
if self._datapath is None:
self.logger.error('Datapath not initialized for adding flows')
return ActivateFlowsResult(
static_rule_results=[
RuleModResult(
rule_id=rule_id,
result=RuleModResult.FAILURE,
) for rule_id in static_rule_ids
],
dynamic_rule_results=[
RuleModResult(
rule_id=rule.id,
result=RuleModResult.FAILURE,
) for rule in dynamic_rules
],
)
static_results = []
for rule_id in static_rule_ids:
res = self._install_flow_for_static_rule(imsi, msisdn,
uplink_tunnel, ip_addr,
apn_ambr, rule_id)
static_results.append(RuleModResult(rule_id=rule_id, result=res))
dyn_results = []
for rule in dynamic_rules:
res = self._install_flow_for_rule(imsi, msisdn, uplink_tunnel,
ip_addr, apn_ambr, rule)
dyn_results.append(RuleModResult(rule_id=rule.id, result=res))
# Install a base flow for when no rule is matched.
self._install_default_flow_for_subscriber(imsi, ip_addr)
return ActivateFlowsResult(
static_rule_results=static_results,
dynamic_rule_results=dyn_results,
)
def activate_rules(self, imsi, ip_addr, static_rule_ids, dynamic_rules,
fut):
"""
Activate the flows for a subscriber based on the rules stored in Redis.
During activation, a default flow may be installed for the subscriber.
Args:
imsi (string): subscriber id
ip_addr (string): subscriber session ipv4 address
static_rule_ids (string []): list of static rules to activate
dynamic_rules (PolicyRule []): list of dynamic rules to activate
fut (Future): future to wait on the results of flow activations
"""
if self._datapath is None:
self.logger.error('Datapath not initialized for adding flows')
fut.set_result(ActivateFlowsResult(
static_rule_results=[RuleModResult(
rule_id=rule_id,
result=RuleModResult.FAILURE,
) for rule_id in static_rule_ids],
dynamic_rule_results=[RuleModResult(
rule_id=rule.id,
result=RuleModResult.FAILURE,
) for rule in dynamic_rules],
))
return
static_results = []
for rule_id in static_rule_ids:
res = self._install_flow_for_static_rule(imsi, ip_addr, rule_id)
static_results.append(RuleModResult(rule_id=rule_id, result=res))
dyn_results = []
for rule in dynamic_rules:
res = self._install_flow_for_rule(imsi, ip_addr, rule)
dyn_results.append(RuleModResult(rule_id=rule.id, result=res))
# Install a base flow for when no rule is matched.
self._install_default_flow_for_subscriber(imsi)
fut.set_result(ActivateFlowsResult(
static_rule_results=static_results,
dynamic_rule_results=dyn_results,
))