Kea 2.0.3
lease_mgr_factory.cc
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1// Copyright (C) 2012-2020 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#ifdef HAVE_CQL
20#endif
21
22#include <boost/algorithm/string.hpp>
23#include <boost/foreach.hpp>
24
25#include <algorithm>
26#include <iostream>
27#include <iterator>
28#include <map>
29#include <sstream>
30#include <utility>
31
32using namespace isc::db;
33using namespace std;
34
35namespace isc {
36namespace dhcp {
37
38boost::scoped_ptr<LeaseMgr>&
39LeaseMgrFactory::getLeaseMgrPtr() {
40 static boost::scoped_ptr<LeaseMgr> leaseMgrPtr;
41 return (leaseMgrPtr);
42}
43
44void
45LeaseMgrFactory::create(const std::string& dbaccess) {
46 const std::string type = "type";
47
48 // Parse the access string and create a redacted string for logging.
50 std::string redacted = DatabaseConnection::redactedAccessString(parameters);
51
52 // Is "type" present?
53 if (parameters.find(type) == parameters.end()) {
55 isc_throw(InvalidParameter, "Database configuration parameters do not "
56 "contain the 'type' keyword");
57 }
58
59
60 // Yes, check what it is.
61 if (parameters[type] == string("mysql")) {
62#ifdef HAVE_MYSQL
64 getLeaseMgrPtr().reset(new MySqlLeaseMgr(parameters));
65 return;
66#else
68 isc_throw(InvalidType, "The Kea server has not been compiled with "
69 "support for database type: mysql");
70#endif
71 }
72
73 if (parameters[type] == string("postgresql")) {
74#ifdef HAVE_PGSQL
76 getLeaseMgrPtr().reset(new PgSqlLeaseMgr(parameters));
77 return;
78#else
80 isc_throw(InvalidType, "The Kea server has not been compiled with "
81 "support for database type: postgresql");
82#endif
83 }
84 if (parameters[type] == string("cql")) {
85#ifdef HAVE_CQL
87 getLeaseMgrPtr().reset(new CqlLeaseMgr(parameters));
88 return;
89#else
91 isc_throw(InvalidType, "The Kea server has not been compiled with "
92 "support for database type: cql");
93#endif
94 }
95 if (parameters[type] == string("memfile")) {
97 getLeaseMgrPtr().reset(new Memfile_LeaseMgr(parameters));
98 return;
99 }
100
101 // Get here on no match
102 LOG_ERROR(dhcpsrv_logger, DHCPSRV_UNKNOWN_DB).arg(parameters[type]);
103 isc_throw(InvalidType, "Database access parameter 'type' does "
104 "not specify a supported database backend: " << parameters[type]);
105}
106
107void
109 // Destroy current lease manager. This is a no-op if no lease manager
110 // is available.
111 if (getLeaseMgrPtr()) {
113 .arg(getLeaseMgrPtr()->getType());
114 }
115 getLeaseMgrPtr().reset();
116}
117
118bool
120 return (getLeaseMgrPtr().get());
121}
122
125 LeaseMgr* lmptr = getLeaseMgrPtr().get();
126 if (lmptr == NULL) {
127 isc_throw(NoLeaseManager, "no current lease manager is available");
128 }
129 return (*lmptr);
130}
131
132} // namespace dhcp
133} // 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.
Cassandra Lease Manager.
Definition: cql_lease_mgr.h:42
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:222
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 isc::log::MessageID DHCPSRV_CQL_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.