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Code Issues Releases Wiki Activity

[#1040] handle update and delete

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This commit is contained in:
Razvan Becheriu
2020-01-23 19:50:54 +02:00
parent 364bbbf3d4
commit c41e32f709
3 changed files with 40 additions and 21 deletions
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8
src/bin/dhcp4/dhcp4_srv.cc
View File

@@ -3039,10 +3039,6 @@ Dhcpv4Srv::declineLease(const Lease4Ptr& lease, const Pkt4Ptr& decline,
}
}
// Remove existing DNS entries for the lease, if any.
// queueNCR will do the necessary checks and will skip the update, if not needed.
queueNCR(CHG_REMOVE, lease);
// @todo: Call hooks.
// We need to disassociate the lease from the client. Once we move a lease
@@ -3052,6 +3048,10 @@ Dhcpv4Srv::declineLease(const Lease4Ptr& lease, const Pkt4Ptr& decline,
LeaseMgrFactory::instance().updateLease4(lease);
// Remove existing DNS entries for the lease, if any.
// queueNCR will do the necessary checks and will skip the update, if not needed.
queueNCR(CHG_REMOVE, lease);
// Bump up the statistics.
// Per subnet declined addresses counter.

16
src/bin/dhcp6/dhcp6_srv.cc
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@@ -3395,11 +3395,6 @@ Dhcpv6Srv::declineLease(const Pkt6Ptr& decline, const Lease6Ptr lease,
}
}
// Check if a lease has flags indicating that the FQDN update has
// been performed. If so, create NameChangeRequest which removes
// the entries. This method does all necessary checks.
queueNCR(CHG_REMOVE, lease);
// @todo: Call hooks.
// We need to disassociate the lease from the client. Once we move a lease
@@ -3409,6 +3404,11 @@ Dhcpv6Srv::declineLease(const Pkt6Ptr& decline, const Lease6Ptr lease,
LeaseMgrFactory::instance().updateLease6(lease);
// Check if a lease has flags indicating that the FQDN update has
// been performed. If so, create NameChangeRequest which removes
// the entries. This method does all necessary checks.
queueNCR(CHG_REMOVE, lease);
// Bump up the subnet-specific statistic.
StatsMgr::instance().addValue(
StatsMgr::generateName("subnet", lease->subnet_id_, "declined-addresses"),
@@ -3774,9 +3774,9 @@ Dhcpv6Srv::generateFqdn(const Pkt6Ptr& answer,
// Set the generated FQDN in the Client FQDN option.
fqdn->setDomainName(generated_name, Option6ClientFqdn::FULL);
answer->delOption(D6O_CLIENT_FQDN);
answer->addOption(fqdn);
ctx.hostname_ = generated_name;
answer->delOption(D6O_CLIENT_FQDN);
answer->addOption(fqdn);
ctx.hostname_ = generated_name;
} catch (const Exception& ex) {
LOG_ERROR(ddns6_logger, DHCP6_DDNS_GENERATED_FQDN_UPDATE_FAIL)
.arg(answer->getLabel())

37
src/lib/dhcpsrv/alloc_engine.cc
View File

@@ -1474,7 +1474,11 @@ AllocEngine::removeNonmatchingReservedLeases6(ClientContext6& ctx,
// Remove this lease from LeaseMgr as it is reserved to someone
// else or doesn't belong to a pool.
LeaseMgrFactory::instance().deleteLease(candidate);
bool success = LeaseMgrFactory::instance().deleteLease(candidate);
if (!success) {
continue;
}
// Update DNS if needed.
queueNCR(CHG_REMOVE, candidate);
@@ -1517,7 +1521,11 @@ AllocEngine::removeNonmatchingReservedNoHostLeases6(ClientContext6& ctx,
}
// Remove this lease from LeaseMgr as it doesn't belong to a pool.
LeaseMgrFactory::instance().deleteLease(candidate);
bool success = LeaseMgrFactory::instance().deleteLease(candidate);
if (!success) {
continue;
}
// Update DNS if needed.
queueNCR(CHG_REMOVE, candidate);
@@ -1584,7 +1592,11 @@ AllocEngine::removeNonreservedLeases6(ClientContext6& ctx,
// simply remove it from the list.
// We have reservations, but not for this lease. Release it.
// Remove this lease from LeaseMgr
LeaseMgrFactory::instance().deleteLease(*lease);
bool success = LeaseMgrFactory::instance().deleteLease(*lease);
if (!success) {
continue;
}
// Update DNS if required.
queueNCR(CHG_REMOVE, *lease);
@@ -1984,7 +1996,11 @@ AllocEngine::extendLease6(ClientContext6& ctx, Lease6Ptr lease) {
// Oh dear, the lease is no longer valid. We need to get rid of it.
// Remove this lease from LeaseMgr
LeaseMgrFactory::instance().deleteLease(lease);
bool success = LeaseMgrFactory::instance().deleteLease(lease);
if (!success) {
return;
}
// Updated DNS if required.
queueNCR(CHG_REMOVE, lease);
@@ -3523,12 +3539,15 @@ AllocEngine::requestLease4(AllocEngine::ClientContext4& ctx) {
.arg(ctx.query_->getLabel())
.arg(client_lease->addr_.toText());
lease_mgr.deleteLease(client_lease);
bool success = lease_mgr.deleteLease(client_lease);
// Need to decrease statistic for assigned addresses.
StatsMgr::instance().addValue(
StatsMgr::generateName("subnet", client_lease->subnet_id_, "assigned-addresses"),
static_cast<int64_t>(-1));
if (success) {
// Need to decrease statistic for assigned addresses.
StatsMgr::instance().addValue(
StatsMgr::generateName("subnet", client_lease->subnet_id_,
"assigned-addresses"),
static_cast<int64_t>(-1));
}
}
// Return the allocated lease or NULL pointer if allocation was