Kea 2.2.0
lease_mgr_factory.cc
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1// Copyright (C) 2012-2022 Internet Systems Consortium, Inc. ("ISC")
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7#include <config.h>
8
12#ifdef HAVE_MYSQL
14#endif
15#ifdef HAVE_PGSQL
17#endif
18
19#include <boost/algorithm/string.hpp>
20#include <boost/foreach.hpp>
21
22#include <algorithm>
23#include <iostream>
24#include <iterator>
25#include <map>
26#include <sstream>
27#include <utility>
28
29using namespace isc::db;
30using namespace std;
31
32namespace isc {
33namespace dhcp {
34
35boost::scoped_ptr<LeaseMgr>&
36LeaseMgrFactory::getLeaseMgrPtr() {
37 static boost::scoped_ptr<LeaseMgr> leaseMgrPtr;
38 return (leaseMgrPtr);
39}
40
41void
42LeaseMgrFactory::create(const std::string& dbaccess) {
43 const std::string type = "type";
44
45 // Parse the access string and create a redacted string for logging.
47 std::string redacted = DatabaseConnection::redactedAccessString(parameters);
48
49 // Is "type" present?
50 if (parameters.find(type) == parameters.end()) {
52 isc_throw(InvalidParameter, "Database configuration parameters do not "
53 "contain the 'type' keyword");
54 }
55
56
57 // Yes, check what it is.
58 if (parameters[type] == string("mysql")) {
59#ifdef HAVE_MYSQL
61 getLeaseMgrPtr().reset(new MySqlLeaseMgr(parameters));
62 return;
63#else
65 isc_throw(InvalidType, "The Kea server has not been compiled with "
66 "support for database type: mysql");
67#endif
68 }
69
70 if (parameters[type] == string("postgresql")) {
71#ifdef HAVE_PGSQL
73 getLeaseMgrPtr().reset(new PgSqlLeaseMgr(parameters));
74 return;
75#else
77 isc_throw(InvalidType, "The Kea server has not been compiled with "
78 "support for database type: postgresql");
79#endif
80 }
81 if (parameters[type] == string("memfile")) {
83 getLeaseMgrPtr().reset(new Memfile_LeaseMgr(parameters));
84 return;
85 }
86
87 // Get here on no match
88 LOG_ERROR(dhcpsrv_logger, DHCPSRV_UNKNOWN_DB).arg(parameters[type]);
89 isc_throw(InvalidType, "Database access parameter 'type' does "
90 "not specify a supported database backend: " << parameters[type]);
91}
92
93void
95 // Destroy current lease manager. This is a no-op if no lease manager
96 // is available.
97 if (getLeaseMgrPtr()) {
99 .arg(getLeaseMgrPtr()->getType());
100 }
101 getLeaseMgrPtr().reset();
102}
103
104bool
106 return (getLeaseMgrPtr().get());
107}
108
111 LeaseMgr* lmptr = getLeaseMgrPtr().get();
112 if (lmptr == NULL) {
113 isc_throw(NoLeaseManager, "no current lease manager is available");
114 }
115 return (*lmptr);
116}
117
118} // namespace dhcp
119} // namespace isc
A generic exception that is thrown if a parameter given to a method or function is considered invalid...
static std::string redactedAccessString(const ParameterMap &parameters)
Redact database access string.
static ParameterMap parse(const std::string &dbaccess)
Parse database access string.
std::map< std::string, std::string > ParameterMap
Database configuration parameter map.
Invalid type exception.
static void create(const std::string &dbaccess)
Create an instance of a lease manager.
static void destroy()
Destroy lease manager.
static LeaseMgr & instance()
Return current lease manager.
static bool haveInstance()
Indicates if the lease manager has been instantiated.
Abstract Lease Manager.
Definition: lease_mgr.h:223
Concrete implementation of a lease database backend using flat file.
MySQL Lease Manager.
No lease manager exception.
PostgreSQL Lease Manager.
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
#define LOG_ERROR(LOGGER, MESSAGE)
Macro to conveniently test error output and log it.
Definition: macros.h:32
#define LOG_INFO(LOGGER, MESSAGE)
Macro to conveniently test info output and log it.
Definition: macros.h:20
#define LOG_DEBUG(LOGGER, LEVEL, MESSAGE)
Macro to conveniently test debug output and log it.
Definition: macros.h:14
isc::log::Logger dhcpsrv_logger("dhcpsrv")
DHCP server library Logger.
Definition: dhcpsrv_log.h:56
const isc::log::MessageID DHCPSRV_MEMFILE_DB
const isc::log::MessageID DHCPSRV_PGSQL_DB
const isc::log::MessageID DHCPSRV_CLOSE_DB
const isc::log::MessageID DHCPSRV_UNKNOWN_DB
const isc::log::MessageID DHCPSRV_NOTYPE_DB
const int DHCPSRV_DBG_TRACE
DHCP server library logging levels.
Definition: dhcpsrv_log.h:26
const isc::log::MessageID DHCPSRV_MYSQL_DB
Defines the logger used by the top-level component of kea-lfc.