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
|
/*
* This file is part of rasdaman community.
*
* Rasdaman community 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 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* SOURCE: rasmgr_master.hh
*
* MODULE: rasmgr
* CLASS: MasterComm
*
* PURPOSE:
* Main loop of master rasmgr
*
* COMMENTS:
* None
*
*/
#ifndef RASMGR_MASTER_HH
#define RASMGR_MASTER_HH
#include "rasmgr_comm_nb.hh"
#include <deque>
#include<string>
/**
* \ingroup Rasmgrs
*/
class ClientID
{
public:
ClientID();
void init(const char*);
bool operator==(const ClientID&);
bool operator!=(const ClientID&);
std::string getID() const;
bool isValid() const;
private:
std::string idstring;
bool valid;
friend std::ostream& operator<<(std::ostream&, const ClientID&);
};
/**
* \ingroup Rasmgrs
*/
class ClientQueue
{
public:
ClientQueue();
~ClientQueue();
void put(ClientID&, const char *dbName, char serverType, int errorCode);
// the answer is 0 or the errorcode
int canBeServed(ClientID&, const char *dbName, char serverType, bool fake);
private:
struct ClientEntry
{
bool activ;
ClientID clientID;
std::string dbName;
char serverType;
int errorCode;
time_t lastAction;
time_t timeLimit;
bool wasfake;
ClientEntry();
ClientEntry(ClientID &client, const char *dbName, char serverType, int errorCode);
bool shouldWeCleanup(bool fake);
void updateTime();
bool isTimeout();
};
std::deque<ClientEntry> clients;
};
/**
* \ingroup Rasmgrs
*/
class MasterComm:public NbServerComm
{
public:
MasterComm();
~MasterComm();
void Run();
void commitChanges();
void commitAuthFile();
private:
bool isMessage(const char *messageStart);
int getFreeServer(bool fake);
const char* convertAnswerCode(int code);
// int getFakeFreeServer();
int answerAccessDenied();
int answerAccessDeniedCode();
void doCommit();
bool commit;
bool commitAuthOnly;
void processJob( NbJob ¤tJob );
int processRequest( NbJob ¤tJob );
bool fillInBuffer(const char*);
char *header;
char *body;
char inBuffer[MAXMSG];
char outBuffer[MAXMSGOUTBUFF];
bool allowMultipleWriteTransactions;
ClientQueue clientQueue;
};
extern MasterComm masterCommunicator;
#endif
|
