1 schuur 1.1 //%/////////////////////////////////////////////////////////////////////////////
2 //
3 // Copyright (c) 2000 - 2003 BMC Software, Hewlett-Packard Company, IBM,
4 // The Open Group, Tivoli Systems
5 //
6 // Permission is hereby granted, free of charge, to any person obtaining a copy
7 // of this software and associated documentation files (the "Software"), to
8 // deal in the Software without restriction, including without limitation the
9 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10 // sell copies of the Software, and to permit persons to whom the Software is
11 // furnished to do so, subject to the following conditions:
12 //
13 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
14 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
16 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
17 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
18 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 //
22 schuur 1.1 //==============================================================================
23 //
24 // Author: Chip Vincent (cvincent@us.ibm.com)
25 //
26 // Modified By: Yi Zhou, Hewlett-Packard Company(yi_zhou@hp.com)
27 // Jenny Yu, Hewlett-Packard Company(jenny_yu@hp.com)
28 // Mike Day, IBM (mdday@us.ibm.com)
29 // Adrian Schuur, schuur@de.ibm.com
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56 schuur 1.1 {
57
58 public:
59 CMPILocalProviderManager(void);
60 virtual ~CMPILocalProviderManager(void);
61
62 public:
63 CMPIProvider::OpProviderHolder getProvider(const String & fileName, const String & providerName,
64 const String & interfaceName = String::EMPTY);
65
66 void unloadProvider(const String & fileName, const String & providerName);
67
68 void shutdownAllProviders(void);
69
70 static PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL provider_monitor(void *);
71
72 void unload_idle_providers(void);
73
74 private:
75 enum CTRL
76 {
77 schuur 1.1 INSERT_PROVIDER,
78 INSERT_MODULE,
79 LOOKUP_PROVIDER,
80 LOOKUP_MODULE,
81 GET_PROVIDER,
82 UNLOAD_PROVIDER,
83 UNLOAD_ALL_PROVIDERS,
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85 schuur 1.1 };
86
87 typedef HashTable<String, CMPIProvider *,
88 EqualFunc<String>, HashFunc<String> > ResolverTable;
89
90 typedef HashTable<String, CMPIProvider *,
91 EqualFunc<String>, HashFunc<String> > ProviderTable;
92
93 typedef HashTable<String, CMPIProviderModule *,
94 EqualFunc<String>, HashFunc<String> > ModuleTable;
95
96 typedef struct
97 {
98 const String *providerName;
99 const String *fileName;
100 const String *interfaceName;
101 } CTRL_STRINGS;
102
103 friend class ProviderManagerService;
104
105 ResolverTable _resolvers;
106 schuur 1.1 ProviderTable _providers;
107 ModuleTable _modules;
108 Uint32 _idle_timeout;
109
110 CMPIProvider *_getResolver(const String & fileName, const String & interfaceType);
111 CMPIResolverModule *_loadResolver(const String & fileName);
112 Sint32 _provider_ctrl(CTRL code, void *parm, void *ret);
113 AtomicInt _unload_idle_flag;
114
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115 schuur 1.1.2.1 CMPIProvider* _initProvider(CMPIProvider * provider,
116 const String & moduleFileName,
117 const String & interfaceName);
118
119 void _unloadProvider(CMPIProvider * provider);
120
121 CMPIProvider * _lookupProvider(const String & providerName);
122
123 CMPIProviderModule * _lookupModule(const String & moduleFileName,
124 const String & interfaceName);
125 Mutex _providerTableMutex;
126
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