1 /*
2    Copyright (c) 2003, 2021, Oracle and/or its affiliates.
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 #ifndef SD_EVENT_SUB_REQ_H
26 #define SD_EVENT_SUB_REQ_H
27 
28 #include "SignalData.hpp"
29 
30 /**
31  * Requests change (new, update, delete) of event subscription,
32  * i.e. forwarding of events.
33  *
34  * SENDER:  Mgm server
35  * RECIVER: SimBlockCMCtrBlck
36  */
37 
38 struct EventSubscribeReq {
39   /**
40    * Receiver(s)
41    */
42   friend class Cmvmi;
43 
44   /**
45    * Sender(s)
46    */
47   friend class MgmtSrvr;
48 
49   STATIC_CONST( SignalLength = 2 + LogLevel::LOGLEVEL_CATEGORIES );
50 
51   /**
52    * Note: If you use the same blockRef as you have used earlier,
53    *       you update your ongoing subscription
54    */
55   Uint32 blockRef;
56 
57   /**
58    * If you specify 0 entries, it's the same as cancelling an
59    * subscription
60    */
61   Uint32 noOfEntries;
62 
63   Uint32 theData[LogLevel::LOGLEVEL_CATEGORIES];
64 
assignEventSubscribeReq65   EventSubscribeReq& assign (const LogLevel& ll){
66     noOfEntries = LogLevel::LOGLEVEL_CATEGORIES;
67     for(size_t i = 0; i<noOfEntries; i++){
68       theData[i] = Uint32(i << 16) | ll.getLogLevel((LogLevel::EventCategory)i);
69     }
70     return * this;
71   }
72 };
73 
74 #endif
75