src/KnownFile.h

   1 //
   2 // This file is part of the aMule Project.
   3 //
   4 // Copyright (c) 2003-2008 aMule Team ( admin@amule.org / http://www.amule.org )
   5 // Copyright (c) 2002-2008 Merkur ( devs@emule-project.net / http://www.emule-project.net )
   6 //
   7 // Any parts of this program derived from the xMule, lMule or eMule project,
   8 // or contributed by third-party developers are copyrighted by their
   9 // respective authors.
  10 //
  11 // This program is free software; you can redistribute it and/or modify
  12 // it under the terms of the GNU General Public License as published by
  13 // the Free Software Foundation; either version 2 of the License, or
  14 // (at your option) any later version.
  15 //
  16 // This program is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20 //
  21 // You should have received a copy of the GNU General Public License
  22 // along with this program; if not, write to the Free Software
  23 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  24 //
  25
  26
  27 #ifndef KNOWNFILE_H
  28 #define KNOWNFILE_H
  29
  30
  31 #include "MD4Hash.h"
  32 #include "SHAHashSet.h"
  33
  34 #include <protocol/ed2k/Constants.h>
  35 #include <common/Path.h>
  36
  37 #include "kademlia/kademlia/Indexed.h"
  38 #include <ec/cpp/ECID.h>        // Needed for CECID
  39
  40
  41 #ifdef CLIENT_GUI
  42 #include <ec/cpp/ECSpecialTags.h>
  43 #include "RLE.h"                        // Needed for RLE_Data, PartFileEncoderData
  44 #endif
  45
  46 #include "Constants.h"          // Needed for PS_*, PR_*
  47
  48 class CUpDownClient;
  49 class CFileDataIO;
  50 class CPacket;
  51 class CTag;
  52
  53
  54 namespace Kademlia
  55 {
  56         class CEntry;
  57 }
  58
  59
  60 typedef vector<CMD4Hash> ArrayOfCMD4Hash;
  61
  62
  63 typedef vector<CTag> ArrayOfCTag;
  64
  65
  66 class CFileStatistic
  67 {
  68         friend class CKnownFile;
  69         friend class CKnownFilesRem;
  70
  71 public:
  72         CFileStatistic();
  73         void    AddRequest();
  74         void    AddAccepted();
  75         void    AddTransferred(uint64 bytes);
  76         uint16  GetRequests() const                     {return requested;}
  77         uint16  GetAccepts() const                      {return accepted;}
  78         uint64  GetTransferred() const                  {return transferred;}
  79         uint32  GetAllTimeRequests() const              {return alltimerequested;}
  80         void    SetAllTimeRequests(uint32 new_value)    { alltimerequested = new_value; };
  81         uint32  GetAllTimeAccepts() const               {return alltimeaccepted;}
  82         void    SetAllTimeAccepts(uint32 new_value)     { alltimeaccepted = new_value; };
  83         uint64  GetAllTimeTransferred() const           {return alltimetransferred;}
  84         void    SetAllTimeTransferred(uint64 new_value) { alltimetransferred = new_value; };
  85         CKnownFile* fileParent;
  86
  87 private:
  88         uint16 requested;
  89         uint64 transferred;
  90         uint16 accepted;
  91         uint32 alltimerequested;
  92         uint64 alltimetransferred;
  93         uint32 alltimeaccepted;
  94 };
  95
  96 /*
  97                              CPartFile
  98                            /
  99                 CKnownFile
 100               /
 101 CAbstractFile
 102               \
 103                 CSearchFile
 104 */
 105 class CAbstractFile
 106 {
 107 public:
 108         CAbstractFile();
 109         explicit CAbstractFile(const CAbstractFile& other);
 110         virtual ~CAbstractFile() {}
 111
 112         const CPath&    GetFileName() const     { return m_fileName; }
 113         const CMD4Hash& GetFileHash() const     { return m_abyFileHash; }
 114
 115         uint64  GetFileSize() const     { return m_nFileSize;}
 116         bool    IsLargeFile() const     { return m_nFileSize > (uint64)OLD_MAX_FILE_SIZE; }
 117
 118         virtual void SetFileSize(uint64 nFileSize)      { m_nFileSize = nFileSize; }
 119         virtual void SetFileName(const CPath& filename);
 120
 121         /* Tags and Notes handling */
 122         uint32 GetIntTagValue(uint8 tagname) const;
 123         uint32 GetIntTagValue(const wxString& tagname) const;
 124         bool GetIntTagValue(uint8 tagname, uint32& ruValue) const;
 125         const wxString& GetStrTagValue(uint8 tagname) const;
 126         const wxString& GetStrTagValue(const wxString& tagname) const;
 127         const CTag *GetTag(const wxString& tagname) const;
 128         const CTag *GetTag(const wxString& tagname, uint8 tagtype) const;
 129         const CTag *GetTag(uint8 tagname) const;
 130         const CTag *GetTag(uint8 tagname, uint8 tagtype) const;
 131         void AddTagUnique(const CTag &pTag);
 132         const ArrayOfCTag& GetTags() const { return m_taglist; }
 133         void AddNote(Kademlia::CEntry* pEntry);
 134         const CKadEntryPtrList& getNotes() const { return m_kadNotes; }
 135
 136         /* Comment and rating */
 137         virtual const wxString& GetFileComment() const { return m_strComment; }
 138         virtual int8    GetFileRating()                 const { return m_iRating; }
 139
 140         bool    HasComment() const              { return m_hasComment; }
 141         bool    HasRating() const               { return (m_iUserRating != 0); }
 142         int8    UserRating() const              { return m_iUserRating; }
 143
 144 protected:
 145         //! CAbstractFile is not assignable.
 146         CAbstractFile& operator=(const CAbstractFile);
 147
 148         CMD4Hash        m_abyFileHash;
 149         wxString        m_strComment;
 150         int8            m_iRating;
 151         bool            m_hasComment;
 152         int8            m_iUserRating;
 153         ArrayOfCTag     m_taglist;
 154         CKadEntryPtrList m_kadNotes;
 155
 156 private:
 157         uint64          m_nFileSize;
 158         CPath           m_fileName;
 159 };
 160
 161
 162 class CSearchFile;
 163 class CFile;
 164
 165
 166 class CKnownFile : public CAbstractFile, public CECID
 167 {
 168 friend class CHashingTask;
 169 public:
 170         CKnownFile();
 171         CKnownFile(uint32 ecid);
 172         explicit CKnownFile(const CSearchFile &searchFile);
 173
 174         virtual ~CKnownFile();
 175
 176         void SetFilePath(const CPath& filePath);
 177         const CPath& GetFilePath() const { return m_filePath; }
 178
 179         virtual bool    IsPartFile() const      {return false;}
 180         virtual bool    IsCPartFile() const     { return false; }
 181         virtual bool    LoadFromFile(const CFileDataIO* file);  //load date, hashset and tags from a .met file
 182         virtual uint8   GetStatus(bool WXUNUSED(ignorepause) = false) const { return PS_COMPLETE; }
 183         bool    WriteToFile(CFileDataIO* file);
 184         time_t GetLastChangeDatetime() const { return m_lastDateChanged; }
 185
 186         virtual void SetFileSize(uint64 nFileSize);
 187
 188         // local available part hashs
 189         size_t  GetHashCount() const    {return m_hashlist.size();}
 190         const CMD4Hash& GetPartHash(uint16 part) const;
 191
 192         // nr. of part hashs according the file size wrt ED2K protocol
 193         uint32  GetED2KPartHashCount() const { return m_iED2KPartHashCount; }
 194
 195         // nr. of 9MB parts (file data)
 196         inline uint16 GetPartCount() const { return m_iPartCount; }
 197
 198         // nr. of 9MB parts according the file size wrt ED2K protocol (OP_FILESTATUS)
 199         inline uint16 GetED2KPartCount() const { return m_iED2KPartCount; }
 200
 201         // size of a certain part, last is different, all others are PARTSIZE
 202         uint32 GetPartSize(uint16 part) const { return part == m_iPartCount - 1 ? m_sizeLastPart : PARTSIZE; }
 203
 204         // file upload priority
 205         uint8   GetUpPriority()  const          {return m_iUpPriority;}
 206         void    SetUpPriority(uint8 newUpPriority, bool bSave=true);
 207         bool    IsAutoUpPriority() const                {return m_bAutoUpPriority;}
 208         void    SetAutoUpPriority(bool flag)    {m_bAutoUpPriority = flag;}
 209         void    UpdateAutoUpPriority();
 210 #ifdef CLIENT_GUI
 211         uint16  GetQueuedCount() const { return m_queuedCount; }
 212 #else
 213         uint16  GetQueuedCount() const { return (uint16) m_ClientUploadList.size(); }
 214 #endif
 215
 216         bool    LoadHashsetFromFile(const CFileDataIO* file, bool checkhash);
 217         void    AddUploadingClient(CUpDownClient* client);
 218         void    RemoveUploadingClient(CUpDownClient* client);
 219
 220         // comment
 221         const wxString& GetFileComment() { if (!m_bCommentLoaded) LoadComment(); return m_strComment; }
 222         int8    GetFileRating()                 { if (!m_bCommentLoaded) LoadComment(); return m_iRating; }
 223
 224         void    SetFileComment(const wxString& strNewComment);
 225         void    SetFileRating(int8 iNewRating);
 226         void    SetPublishedED2K( bool val );
 227         bool    GetPublishedED2K() const        {return m_PublishedED2K;}
 228
 229         /* Kad stuff */
 230         uint32  GetKadFileSearchID() const { return kadFileSearchID; }
 231         // KAD TODO: This must be used on KadSearchListCtrl too once imported
 232         void    SetKadFileSearchID(uint32 id) { kadFileSearchID = id; } // John - Don't use this unless you know what your are DOING!! (Hopefully I do.. :)
 233         const Kademlia::WordList& GetKadKeywords() const { return wordlist; }
 234         // KAD TODO: If we add the proper column to SharedFilesCtrl, this is the funtion.
 235         uint32  GetLastPublishTimeKadSrc() const { return m_lastPublishTimeKadSrc; }
 236         void    SetLastPublishTimeKadSrc(uint32 time, uint32 buddyip) { m_lastPublishTimeKadSrc = time; m_lastBuddyIP = buddyip;}
 237         // Another unused function, useful for the shared files control column
 238         uint32  GetLastPublishBuddy() const { return m_lastBuddyIP; }
 239         void    SetLastPublishTimeKadNotes(uint32 time) {m_lastPublishTimeKadNotes = time;}
 240         uint32  GetLastPublishTimeKadNotes() const { return m_lastPublishTimeKadNotes; }
 241
 242         bool    PublishSrc();
 243         bool    PublishNotes();
 244
 245         // TODO: This must be implemented if we ever want to have metadata.
 246         uint32  GetMetaDataVer() const { return /*m_uMetaDataVer*/ 0; }
 247
 248         // file sharing
 249         virtual CPacket*        CreateSrcInfoPacket(const CUpDownClient* forClient, uint8 byRequestedVersion, uint16 nRequestedOptions);
 250
 251         virtual void    UpdatePartsInfo();
 252
 253
 254         CFileStatistic statistic;
 255
 256         time_t m_nCompleteSourcesTime;
 257         uint16 m_nCompleteSourcesCount;
 258         uint16 m_nCompleteSourcesCountLo;
 259         uint16 m_nCompleteSourcesCountHi;
 260
 261         // Common for part and known files.
 262         typedef std::set<CUpDownClient*> SourceSet;
 263         SourceSet m_ClientUploadList;
 264         ArrayOfUInts16 m_AvailPartFrequency;
 265
 266         /**
 267          * Returns a base-16 encoding of the master hash, or
 268          * an empty string if no such hash exists.
 269          */
 270         wxString GetAICHMasterHash() const;
 271         /** Returns true if the AICH-Hashset is valid, and verified or complete. */
 272         bool HasProperAICHHashSet() const;
 273
 274         /**
 275          * Updates the requency of uploading parts from with the data the client provides.
 276          *
 277          * @param client The clients whoose uploading parts should be considered.
 278          * @param increment If true, the counts are incremented, otherwise they are decremented.
 279          *
 280          * This functions updates the frequency list of file-upparts, using the clients
 281          * upparts-status. This function should be called by clients every time they update their
 282          * upparts-status, or when they are added or removed from the file.
 283          */
 284         void UpdateUpPartsFrequency( CUpDownClient* client, bool increment );
 285
 286         static void CreateHashFromHashlist(const ArrayOfCMD4Hash& hashes, CMD4Hash* Output);
 287
 288         void    ClearPriority();
 289
 290         time_t  m_lastDateChanged;
 291
 292         virtual wxString GetFeedback() const;
 293
 294         void    SetShowSources( bool val )      { m_showSources = val; }
 295         bool    ShowSources()                           const { return m_showSources; }
 296
 297 #ifdef CLIENT_GUI
 298         CKnownFile(CEC_SharedFile_Tag *);
 299         friend class CKnownFilesRem;
 300         RLE_Data m_partStatus;
 301
 302 private:
 303         uint8   m_iUpPriorityEC;
 304         uint16  m_queuedCount;
 305
 306 protected:
 307         //! The AICH master-hash, if it is known.
 308         wxString        m_AICHMasterHash;
 309 #else
 310         virtual void SetFileName(const CPath& filename);
 311
 312         // AICH
 313         CAICHHashSet* GetAICHHashset() const            { return m_pAICHHashSet; }
 314         void SetAICHHashset(CAICHHashSet* val)          { m_pAICHHashSet = val; }
 315
 316 protected:
 317         CAICHHashSet*   m_pAICHHashSet;
 318 #endif
 319
 320         bool    LoadTagsFromFile(const CFileDataIO* file);
 321         bool    LoadDateFromFile(const CFileDataIO* file);
 322         void    LoadComment();//comment
 323         ArrayOfCMD4Hash m_hashlist;
 324         CPath   m_filePath;
 325
 326         static void CreateHashFromFile(class CFileAutoClose& file, uint64 offset, uint32 Length, CMD4Hash* Output, CAICHHashTree* pShaHashOut);
 327         static void CreateHashFromInput(const byte* input, uint32 Length, CMD4Hash* Output, CAICHHashTree* pShaHashOut);
 328
 329         bool    m_bCommentLoaded;
 330         uint16  m_iPartCount;
 331         uint16  m_iED2KPartCount;
 332         uint16  m_iED2KPartHashCount;
 333         uint32  m_sizeLastPart;                 // size of the last part
 334         uint8   m_iUpPriority;
 335         bool    m_bAutoUpPriority;
 336         bool    m_PublishedED2K;
 337
 338         /* Kad stuff */
 339         Kademlia::WordList wordlist;
 340         uint32  kadFileSearchID;
 341         uint32  m_lastPublishTimeKadSrc;
 342         uint32  m_lastPublishTimeKadNotes;
 343         uint32  m_lastBuddyIP;
 344
 345         bool    m_showSources;
 346 private:
 347         /** Common initializations for constructors. */
 348         void Init();
 349 };
 350
 351 #endif // KNOWNFILE_H
 352 // File_checked_for_headers