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
|
// **********************************************************************
//
// Copyright (c) 2001
// ZeroC, Inc.
// Billerica, MA, USA
//
// All Rights Reserved.
//
// Ice is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation.
//
// **********************************************************************
#include <Yellow/AdminI.h>
#include <Yellow/QueryI.h>
#include <IceBox/IceBox.h>
#if defined(_WIN32)
# define YELLOW_SERVICE_API __declspec(dllexport)
#else
# define YELLOW_SERVICE_API /**/
#endif
using namespace std;
using namespace Ice;
using namespace Yellow;
using namespace Freeze;
namespace Yellow
{
class YELLOW_SERVICE_API ServiceI : public ::IceBox::FreezeService
{
public:
ServiceI();
virtual ~ServiceI();
virtual void start(const string&,
const CommunicatorPtr&,
const StringSeq&,
const ::Freeze::DBEnvironmentPtr&);
virtual void stop();
private:
ObjectAdapterPtr _queryAdapter;
ObjectAdapterPtr _adminAdapter;
};
} // End namespace Yellow
extern "C"
{
//
// Factory function
//
YELLOW_SERVICE_API ::IceBox::FreezeService*
create(Ice::CommunicatorPtr communicator)
{
return new Yellow::ServiceI;
}
}
Yellow::ServiceI::ServiceI()
{
}
Yellow::ServiceI::~ServiceI()
{
}
void
Yellow::ServiceI::start(const string& name,
const CommunicatorPtr& communicator,
const StringSeq& args,
const DBEnvironmentPtr& dbEnv)
{
//
// The Admin & Query interface implementations each have their own
// map. This is safe because a) no iterators are used on the
// database, and b) internally the database is synchronized.
//
DBPtr dbYellow = dbEnv->openDB("yellow", true);
//
// With respect to the adapters I want to support three use-cases:
//
// 1) admin is not permitted.
// 2) both admin & query is permitted on the same endpoint
// 3) query & admin are permitted, but on seperate endpoitns
//
// TODO: At present #2 isn't supported.
//
_queryAdapter = communicator->createObjectAdapter(name + ".Query");
string adminEndpoints = communicator->getProperties()->getProperty(name + ".Admin.Endpoints");
if(!adminEndpoints.empty())
{
_adminAdapter = communicator->createObjectAdapter(name + ".Admin");
ObjectPtr admin = new AdminI(dbYellow);
_adminAdapter->add(admin, stringToIdentity(name + "/Admin"));
}
ObjectPtr query = new QueryI(dbYellow);
_queryAdapter->add(query, stringToIdentity(name + "/Query"));
if(_adminAdapter)
{
_adminAdapter->activate();
}
_queryAdapter->activate();
}
void
Yellow::ServiceI::stop()
{
if(_adminAdapter)
{
_adminAdapter->deactivate();
}
_queryAdapter->deactivate();
}
|