1 /*
2    Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License, version 2.0,
6    as published by the Free Software Foundation.
7 
8    This program is also distributed with certain software (including
9    but not limited to OpenSSL) that is licensed under separate terms,
10    as designated in a particular file or component or in included license
11    documentation.  The authors of MySQL hereby grant you an additional
12    permission to link the program and your derivative works with the
13    separately licensed software that they have included with MySQL.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License, version 2.0, for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
23 */
24 
25 #include <ndb_global.h>
26 
27 #include "Emulator.hpp"
28 #include <FastScheduler.hpp>
29 #include <SignalLoggerManager.hpp>
30 #include <TransporterRegistry.hpp>
31 #include <TimeQueue.hpp>
32 
33 #include "Configuration.hpp"
34 #include "WatchDog.hpp"
35 #include "ThreadConfig.hpp"
36 #include "SimBlockList.hpp"
37 
38 #include <NodeState.hpp>
39 #include "ndbd_malloc_impl.hpp"
40 
41 #include <NdbMem.h>
42 #include <NdbMutex.h>
43 
44 #include <EventLogger.hpp>
45 extern EventLogger * g_eventLogger;
46 
47 /**
48  * Declare the global variables
49  */
50 
51 #ifndef NO_EMULATED_JAM
52 /*
53   This is the jam buffer used for non-threaded ndbd (but present also
54   in threaded ndbd to allow sharing of object files among the two
55   binaries).
56  */
57 EmulatedJamBuffer theEmulatedJamBuffer;
58 #endif
59 
60    GlobalData globalData;
61 
62    TimeQueue globalTimeQueue;
63    FastScheduler globalScheduler;
64    extern TransporterRegistry globalTransporterRegistry;
65 
66 #ifdef VM_TRACE
67    SignalLoggerManager globalSignalLoggers;
68 #endif
69 
70 EmulatorData globalEmulatorData;
71 NdbMutex * theShutdownMutex = 0;
72 
EmulatorData()73 EmulatorData::EmulatorData(){
74   theConfiguration = 0;
75   theWatchDog      = 0;
76   theThreadConfig  = 0;
77   theSimBlockList  = 0;
78   theShutdownMutex = 0;
79   m_socket_server = 0;
80   m_mem_manager = 0;
81 }
82 
83 void
create()84 EmulatorData::create(){
85   /*
86     Global jam() buffer, for non-multithreaded operation.
87     For multithreaded ndbd, each thread will set a local jam buffer later.
88   */
89   NdbThread_SetTlsKey(NDB_THREAD_TLS_JAM, (void *)&theEmulatedJamBuffer);
90 
91   NdbMem_Create();
92 
93   theConfiguration = new Configuration();
94   theWatchDog      = new WatchDog();
95   theThreadConfig  = new ThreadConfig();
96   theSimBlockList  = new SimBlockList();
97   m_socket_server  = new SocketServer();
98   m_mem_manager    = new Ndbd_mem_manager();
99 
100   if (theConfiguration == NULL ||
101       theWatchDog == NULL ||
102       theThreadConfig == NULL ||
103       theSimBlockList == NULL ||
104       m_socket_server == NULL ||
105       m_mem_manager == NULL )
106   {
107     ERROR_SET(fatal, NDBD_EXIT_MEMALLOC,
108               "Failed to create EmulatorData", "");
109   }
110 
111   if (!(theShutdownMutex = NdbMutex_Create()))
112   {
113     ERROR_SET(fatal, NDBD_EXIT_MEMALLOC,
114               "Failed to create shutdown mutex", "");
115   }
116 }
117 
118 void
destroy()119 EmulatorData::destroy(){
120   if(theConfiguration)
121     delete theConfiguration; theConfiguration = 0;
122   if(theWatchDog)
123     delete theWatchDog; theWatchDog = 0;
124   if(theThreadConfig)
125     delete theThreadConfig; theThreadConfig = 0;
126   if(theSimBlockList)
127     delete theSimBlockList; theSimBlockList = 0;
128   if(m_socket_server)
129     delete m_socket_server; m_socket_server = 0;
130   NdbMutex_Destroy(theShutdownMutex);
131   if (m_mem_manager)
132     delete m_mem_manager; m_mem_manager = 0;
133 
134   NdbMem_Destroy();
135 }
136