dbgsrv/coredumpserver/interface/common/plugindata.h
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     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Defines ECOM-plugin related classes used accross the Core Dump client/server interface 
       
    15 //
       
    16 
       
    17 
       
    18 
       
    19 /**
       
    20  @file
       
    21  @publishedPartner 
       
    22  @released
       
    23 */
       
    24 
       
    25 #ifndef PLUGINDATA_H
       
    26 #define PLUGINDATA_H
       
    27 
       
    28 /**
       
    29 @publishedPartner 
       
    30 @released
       
    31 
       
    32 Class used between Core Dump Server and its clients to request 
       
    33 the server to carry out actions on plugins, such as load/unload.
       
    34 @see CCrashConfig::LoadPlugin()
       
    35 */
       
    36 class TPluginRequest
       
    37 {
       
    38 public:
       
    39 
       
    40 	
       
    41 	inline TPluginRequest(){ iIndex = 0; }
       
    42 	
       
    43 	/** 
       
    44 	Type of plugin to request
       
    45 	*/
       
    46 	enum TPluginType
       
    47 		{
       
    48 		/** A formatter plugin */
       
    49 		EFormatter,
       
    50 		/** A writer plugin */
       
    51 		EWriter
       
    52 		};
       
    53 
       
    54 
       
    55 	/* Whether to load or unload the plugin */
       
    56 	TBool						iLoad; 
       
    57 
       
    58 	/** Type of plugin */
       
    59 	TPluginType					iPluginType;
       
    60 
       
    61     /** Index of the plugin that requires action */
       
    62 	TUint						iIndex;
       
    63 
       
    64 	/** Plugin UID, used to check correct plugin */
       
    65 	TUid						iUid;
       
    66 
       
    67     /** Index of the pair plugin */
       
    68 	TUint                       iPair;
       
    69 
       
    70 	/** @internalTechnology */
       
    71 	TUint32 iSpare2;
       
    72 };
       
    73 
       
    74 
       
    75 /** Maximum length allowed for a plugin's name */
       
    76 #define KPluginNameLength (50)
       
    77 
       
    78 /** Maximum length allowed for a plugin's description */
       
    79 #define KPluginDescriptionLength (250)
       
    80 
       
    81 /**
       
    82 @publishedPartner 
       
    83 @released
       
    84 
       
    85 Detailed information about a plugin.
       
    86 @see RPluginList
       
    87 @see TPluginInfoBlock
       
    88 */
       
    89 class TPluginInfo
       
    90 {
       
    91 public:
       
    92 
       
    93 	/** Plugin's own version.
       
    94 	From rss file::IMPLEMENTATION_INFO::version_no */
       
    95 	TUint					iVersion;
       
    96 
       
    97 	/** Plugin's unique UID. 
       
    98 	From rss file::IMPLEMENTATION_INFO::implementation_uid */
       
    99 	TUid					iUid;
       
   100 
       
   101 	/** Plugin's own name.
       
   102 	From rss file::IMPLEMENTATION_INFO::display_name */
       
   103 	TBufC<KPluginNameLength>			iName;
       
   104 
       
   105 	/** Plugin's own description obtained from 
       
   106 	CCoreDumpFormatter->GetDescription()
       
   107 	@see CCoreDumpFormatter */
       
   108 	TBufC<KPluginDescriptionLength>	iDescription;
       
   109 
       
   110 	/** Plugin type : from TPluginRequest::TPluginType */
       
   111 	TPluginRequest::TPluginType	iType;
       
   112 
       
   113 	/** Plugin loaded state. */
       
   114 	TBool					iLoaded;
       
   115 
       
   116 	/** Reserved for future use
       
   117 	@internalTechnology */
       
   118 	TUint32 iSpare1;
       
   119 
       
   120 	/** @internalTechnology */
       
   121 	TUint32 iSpare2;
       
   122 };
       
   123 
       
   124 
       
   125 /**
       
   126 @publishedPartner 
       
   127 @released
       
   128 
       
   129 List of TPluginInfo objects.
       
   130 @see TPluginInfo
       
   131 @see RArray
       
   132 */
       
   133 typedef RArray<TPluginInfo>	RPluginList;
       
   134 
       
   135 
       
   136 #include <streamelement.h>
       
   137 
       
   138 /**
       
   139 @publishedPartner 
       
   140 @released
       
   141 
       
   142 Class that represents a ECOM plugin instance. 
       
   143 It is based on CStreamElementBase so it can be streamed between client and server.
       
   144 @see CServerCrashDataSource::GetPluginListL
       
   145 */
       
   146 class CPluginInfo : public CStreamElementBase
       
   147 {
       
   148 
       
   149 public:
       
   150 
       
   151 	IMPORT_C static CPluginInfo* NewL( const TDesC &aName,
       
   152 									   const TInt aUid,
       
   153                                        const TUint aVersion,
       
   154 									   const TPluginRequest::TPluginType aType); 
       
   155 
       
   156 	IMPORT_C static CPluginInfo* NewL( const TDesC8 & aStreamData );
       
   157 
       
   158 	IMPORT_C ~CPluginInfo();
       
   159 
       
   160 public:
       
   161 
       
   162 	IMPORT_C void NameL( const TDesC & aName );
       
   163 	IMPORT_C const TDesC & Name() const;
       
   164 
       
   165     IMPORT_C void Uid(const TInt aUid);
       
   166     IMPORT_C TInt Uid() const;
       
   167 
       
   168     IMPORT_C void Version(TUint aVersion);
       
   169     IMPORT_C TUint Version() const;
       
   170 
       
   171     IMPORT_C void Pair(TUint aIndex);
       
   172     IMPORT_C TUint Pair() const;
       
   173 
       
   174     IMPORT_C void Type(TPluginRequest::TPluginType aType);
       
   175     IMPORT_C TPluginRequest::TPluginType Type() const;
       
   176 
       
   177 public:
       
   178 	// Methods required by streaming interface 
       
   179 
       
   180 	IMPORT_C TInt static MaxSize();
       
   181 
       
   182 	IMPORT_C TInt Size() const;
       
   183 
       
   184 	// Initializes ’this’ from stream
       
   185 	IMPORT_C void InternalizeL( RReadStream & aStream );
       
   186 
       
   187 	// Writes ’this’ to the stream
       
   188 	IMPORT_C void ExternalizeL( RWriteStream & aStream, CBufFlat* buf );
       
   189 
       
   190 
       
   191 private:
       
   192 
       
   193 	CPluginInfo( const TInt aUid,
       
   194 				 const TUint aVersion,
       
   195                  const TPluginRequest::TPluginType aType);
       
   196 
       
   197 	CPluginInfo();
       
   198 
       
   199 	void ConstructL( const TDesC & aName );
       
   200 
       
   201 private:
       
   202 
       
   203     /** Plugin name */
       
   204 	HBufC *iName;
       
   205 
       
   206     /** Plugin UID */
       
   207 	TInt iUid;
       
   208 
       
   209     /** Plugin version */
       
   210 	TUint iVersion;
       
   211 
       
   212 	/** Plugin type : from TPluginRequest::TPluginType */
       
   213 	TPluginRequest::TPluginType	iType;
       
   214 
       
   215     /** Index to paired plugin */
       
   216     TUint iPair;
       
   217 
       
   218 	/** Externalized size */
       
   219 	TUint				iSize;
       
   220 
       
   221 	/** Reserved for future use
       
   222 	@internalTechnology */
       
   223 	TUint32 iSpare1;
       
   224 
       
   225 	/** @internalTechnology */
       
   226 	TUint32 iSpare2;
       
   227 
       
   228 	};
       
   229 
       
   230 
       
   231 /**
       
   232 @publishedPartner 
       
   233 @released
       
   234 
       
   235 List of CPluginInfo object pointers
       
   236 @see CPluginInfo
       
   237 @see RPointerArray
       
   238 */
       
   239 typedef RPointerArray<CPluginInfo>	RPluginPointerList;
       
   240 
       
   241 
       
   242 #endif