1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "Requestor.hpp"
#include "ConfigRetriever.hpp"
#include <NdbApiSignal.hpp>
#include <signaldata/RepImpl.hpp>
#include <signaldata/GrepImpl.hpp>
#include <signaldata/DictTabInfo.hpp>
#include <signaldata/GetTabInfo.hpp>
#include <signaldata/SumaImpl.hpp>
#include <AttributeHeader.hpp>
#include <rep/rep_version.hpp>
#define TIME_BETWEEN_EXECUTES_MS 250
/*
* @todo The requestor still has a TF, but this is not used...
* (We will need a (set of) TF(s) for REP-REP
* on the same system though....)
*/
/*****************************************************************************
* Constructor / Destructor / Init
*****************************************************************************/
Requestor::Requestor(GCIContainer * gciContainer,
AppNDB * appNDB,
RepState * repState)
{
m_gciContainer = gciContainer;
m_applier = appNDB;
m_repState = repState;
//m_grepSender = new ExtSender();
//if (!m_grepSender) REPABORT("");
m_repState->setSubscriptionRequests(&requestCreateSubscriptionId,
&requestCreateSubscription,
&requestRemoveSubscription);
m_repState->setIntervalRequests(&requestTransfer,
&requestApply,
&requestDeleteSS,
&requestDeletePS);
m_repState->setStartRequests(&requestStartMetaLog,
&requestStartDataLog,
&requestStartMetaScan,
&requestStartDataScan,
&requestEpochInfo);
}
Requestor::~Requestor() {
//delete m_grepSender;
}
bool
Requestor::init(const char * connectString)
{
m_signalExecThread = NdbThread_Create(signalExecThread_C,
(void **)this,
32768,
"Requestor_Service",
NDB_THREAD_PRIO_LOW);
if (m_signalExecThread == NULL)
return false;
return true;
}
/*****************************************************************************
* Signal Queue Executor
*****************************************************************************/
void *
Requestor::signalExecThread_C(void *g) {
Requestor *requestor = (Requestor*)g;
requestor->signalExecThreadRun();
NdbThread_Exit(0);
/* NOTREACHED */
return 0;
}
class SigMatch
{
public:
int gsn;
void (Requestor::* function)(NdbApiSignal *signal);
SigMatch() { gsn = 0; function = NULL; };
SigMatch(int _gsn, void (Requestor::* _function)(NdbApiSignal *signal)) {
gsn = _gsn;
function = _function;
};
bool check(NdbApiSignal *signal) {
if(signal->readSignalNumber() == gsn)
return true;
return false;
};
};
void
Requestor::signalExecThreadRun()
{
while(1)
{
/**
* @todo Here we would like to measure the usage size of the
* receive buffer of TransSS. If the buffer contains
* more than X signals (maybe 1k or 10k), then we should
* not do a protectedExecute.
* By having the usage size measure thingy,
* we avoid having the Requestor requesting more
* things than the TransSS can handle.
* /Lars
*
* @todo A different implementation of this functionality
* would be to send a signal to myself when the protected
* execute is finished. This solution could be
* discussed.
* /Lars
*/
m_repState->protectedExecute();
NdbSleep_MilliSleep(TIME_BETWEEN_EXECUTES_MS);
}
}
void
Requestor::sendSignalRep(NdbApiSignal * s) {
m_repSender->sendSignal(s);
}
void
Requestor::execSignal(void* executorObj, NdbApiSignal* signal,
class LinearSectionPtr ptr[3]){
Requestor * executor = (Requestor*)executorObj;
const Uint32 gsn = signal->readSignalNumber();
const Uint32 len = signal->getLength();
NdbApiSignal * s = new NdbApiSignal(executor->m_ownRef);
switch (gsn) {
case GSN_REP_GET_GCI_CONF:
case GSN_REP_GET_GCI_REQ:
case GSN_REP_GET_GCIBUFFER_REQ:
case GSN_REP_INSERT_GCIBUFFER_REQ:
case GSN_REP_CLEAR_SS_GCIBUFFER_REQ:
case GSN_REP_CLEAR_PS_GCIBUFFER_REQ:
case GSN_REP_DROP_TABLE_REQ:
case GSN_GREP_SUB_CREATE_REQ:
case GSN_GREP_SUB_START_REQ:
case GSN_GREP_SUB_SYNC_REQ:
case GSN_GREP_SUB_REMOVE_REQ:
case GSN_GREP_CREATE_SUBID_REQ:
s->set(0, PSREPBLOCKNO, gsn, len);
memcpy(s->getDataPtrSend(), signal->getDataPtr(), 4 * len);
executor->m_signalRecvQueue.receive(s);
break;
default:
REPABORT1("Illegal signal received in execSignal", gsn);
}
#if 0
ndbout_c("Requestor: Inserted signal into queue (GSN: %d, Len: %d)",
signal->readSignalNumber(), len);
#endif
}
void
Requestor::execNodeStatus(void* obj, Uint16 nodeId,
bool alive, bool nfCompleted)
{
//Requestor * thisObj = (Requestor*)obj;
RLOG(("Node changed status (NodeId %d, Alive %d, nfCompleted %d)",
nodeId, alive, nfCompleted));
if(alive) {
/**
* Connected - set node as connected
*
* @todo Make it possible to have multiple External REP nodes
*/
#if 0
for(Uint32 i=0; i<thisObj->m_nodeConnectList.size(); i++) {
if(thisObj->m_nodeConnectList[i]->nodeId == nodeId)
thisObj->m_nodeConnectList[i]->connected = true;
}
thisObj->m_grepSender->setNodeId(thisObj->m_nodeConnectList[0]->nodeId);
#endif
}
if(!alive && !nfCompleted){
/**
* ???
*/
}
if(!alive && nfCompleted){
/**
* Re-connect
*/
}
}
|
