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[#3257] Suppress NCRs when reusing leases

Browse Source 
/src/bin/dhcp4/dhcp4_srv.cc
    Dhcpv4Srv::createNameChangeRequests() - modified to check for
    reused lease

/src/bin/dhcp4/tests/dora_unittest.cc
    DORATest::leaseCaching() - modified to verify suppression of NCRs

/src/bin/dhcp6/dhcp6_srv.cc
    Dhcpv6Srv::createNameChangeRequests() - modified to iteralte over
    IA contexts rather than IA options in response and to check for
    reused leases

/src/bin/dhcp6/tests/fqdn_unittest.cc
    Updated tests to populate IAContexts

/src/bin/dhcp6/tests/sarr_unittest.cc
    SARRTest::leaseCaching()- modified to verify suppression of NCRs

/src/lib/dhcpsrv/alloc_engine.*
    AllocEngine::ClientContext6::IAContext - added reused_leases_ container
    AllocEngine::ClientContext6::getIAContexts() - new function
This commit is contained in:
Thomas Markwalder
2024-11-11 15:16:14 -05:00
parent fe77360b49
commit 3862bab83f
8 changed files with 158 additions and 44 deletions
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3
src/bin/dhcp4/dhcp4_srv.cc
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@@ -2893,7 +2893,8 @@ Dhcpv4Srv::createNameChangeRequests(const Lease4Ptr& lease,
return;
}
if (!old_lease || ddns_params.getUpdateOnRenew() || !lease->hasIdenticalFqdn(*old_lease)) {
if ((!lease->reuseable_valid_lft_) &&
(!old_lease || ddns_params.getUpdateOnRenew() || !lease->hasIdenticalFqdn(*old_lease))) {
if (old_lease) {
// Queue's up a remove of the old lease's DNS (if needed)
queueNCR(CHG_REMOVE, old_lease);