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[5651] Implemented LeaseMgr methods retrieving ranges/pages of IPv4 leases.

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This commit is contained in:
Marcin Siodelski
2018-06-25 21:47:20 +02:00
parent d229ba76ef
commit 122bb75a7a
19 changed files with 830 additions and 1 deletions
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82
src/lib/dhcpsrv/mysql_lease_mgr.cc
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@@ -25,6 +25,7 @@
#include <time.h>
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
using namespace std;
@@ -137,6 +138,22 @@ tagged_statements = { {
"state "
"FROM lease4 "
"WHERE hwaddr = ? AND subnet_id = ?"},
{MySqlLeaseMgr::GET_LEASE4_PAGE,
"SELECT address, hwaddr, client_id, "
"valid_lifetime, expire, subnet_id, "
"fqdn_fwd, fqdn_rev, hostname, "
"state "
"FROM lease4 "
"WHERE address > ? "
"ORDER BY address "
"LIMIT ?"},
{MySqlLeaseMgr::GET_LEASE4_RANGE,
"SELECT address, hwaddr, client_id, "
"valid_lifetime, expire, subnet_id, "
"fqdn_fwd, fqdn_rev, hostname, "
"state "
"FROM lease4 "
"WHERE address >= ? AND address <= ?"},
{MySqlLeaseMgr::GET_LEASE4_SUBID,
"SELECT address, hwaddr, client_id, "
"valid_lifetime, expire, subnet_id, "
@@ -1902,6 +1919,71 @@ MySqlLeaseMgr::getLeases4() const {
return (result);
}
Lease4Collection
MySqlLeaseMgr::getLeases4(const asiolink::IOAddress& lower_bound_address,
const LeasePageSize& page_size) const {
LOG_DEBUG(dhcpsrv_logger, DHCPSRV_DBG_TRACE_DETAIL, DHCPSRV_MYSQL_GET_PAGE4)
.arg(page_size.page_size_)
.arg(lower_bound_address.toText());
// Prepare WHERE clause
MYSQL_BIND inbind[2];
memset(inbind, 0, sizeof(inbind));
// Bind lower bound address
uint32_t lb_address_data = lower_bound_address.toUint32();
inbind[0].buffer_type = MYSQL_TYPE_LONG;
inbind[0].buffer = reinterpret_cast<char*>(&lb_address_data);
inbind[0].is_unsigned = MLM_TRUE;
// Bind page size value
size_t* ps = const_cast<size_t*>(&page_size.page_size_);
inbind[1].buffer_type = MYSQL_TYPE_LONG;
inbind[1].buffer = reinterpret_cast<char*>(ps);
inbind[1].is_unsigned = MLM_TRUE;
// Get the leases
Lease4Collection result;
getLeaseCollection(GET_LEASE4_PAGE, inbind, result);
return (result);
}
Lease4Collection
MySqlLeaseMgr::getLeases4(const IOAddress& lower_bound_address,
const IOAddress& upper_bound_address) const {
if (upper_bound_address < lower_bound_address) {
isc_throw(InvalidRange, "upper bound address " << upper_bound_address
<< " is lower than lower bound address " << lower_bound_address);
}
LOG_DEBUG(dhcpsrv_logger, DHCPSRV_DBG_TRACE_DETAIL, DHCPSRV_MYSQL_GET_ADDR_RANGE4)
.arg(lower_bound_address.toText())
.arg(upper_bound_address.toText());
// Prepare WHERE clause
MYSQL_BIND inbind[2];
memset(inbind, 0, sizeof(inbind));
// Bind lower bound address as uint32 value
uint32_t lb_address_data = lower_bound_address.toUint32();
inbind[0].buffer_type = MYSQL_TYPE_LONG;
inbind[0].buffer = reinterpret_cast<char*>(&lb_address_data);
inbind[0].is_unsigned = MLM_TRUE;
// Bind upper bound address as uint32 value
uint32_t ub_address_data = upper_bound_address.toUint32();
inbind[1].buffer_type = MYSQL_TYPE_LONG;
inbind[1].buffer = reinterpret_cast<char*>(&ub_address_data);
inbind[1].is_unsigned = MLM_TRUE;
// Get the leases
Lease4Collection result;
getLeaseCollection(GET_LEASE4_RANGE, inbind, result);
return (result);
}
Lease6Ptr
MySqlLeaseMgr::getLease6(Lease::Type lease_type,
const isc::asiolink::IOAddress& addr) const {