src/PartFile.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 #ifndef PARTFILE_H
  27 #define PARTFILE_H
  28
  29
  30 #include "KnownFile.h"          // Needed for CKnownFile
  31 #include "CFile.h"              // Needed for CFile
  32
  33 #include "OtherStructs.h"       // Needed for Gap_Struct
  34 #include "DeadSourceList.h"     // Needed for CDeadSourceList
  35
  36
  37
  38 class CSearchFile;
  39 class CUpDownClient;
  40 class CMemFile;
  41 class CFileDataIO;
  42 class CED2KFileLink;
  43
  44 //#define BUFFER_SIZE_LIMIT     500000 // Max bytes before forcing a flush
  45 #define BUFFER_TIME_LIMIT       60000   // Max milliseconds before forcing a flush
  46
  47 #define STATES_COUNT                    13
  48
  49 // Ok, eMule and aMule are building incompatible backup files because
  50 // of the different name. aMule was using ".BAK" and eMule ".bak".
  51 // This should fix it.
  52 #define   PARTMET_BAK_EXT wxT(".bak")
  53
  54 enum EPartFileFormat {
  55         PMT_UNKNOWN     = 0,
  56         PMT_DEFAULTOLD,
  57         PMT_SPLITTED,
  58         PMT_NEWOLD,
  59         PMT_SHAREAZA,
  60         PMT_BADFORMAT
  61 };
  62
  63 struct PartFileBufferedData
  64 {
  65         byte *data;                                             // Barry - This is the data to be written
  66         uint64 start;                                   // Barry - This is the start offset of the data
  67         uint64 end;                                             // Barry - This is the end offset of the data
  68         Requested_Block_Struct *block;  // Barry - This is the requested block that this data relates to
  69 };
  70
  71
  72 class SFileRating
  73 {
  74 public:
  75         wxString UserName;
  76         wxString FileName;
  77         sint16   Rating;
  78         wxString Comment;
  79 public:
  80         SFileRating(const wxString &u, const wxString &f, sint16 r, const wxString &c);
  81         SFileRating(const SFileRating &fr);
  82         SFileRating(const CUpDownClient &client);
  83         ~SFileRating();
  84 };
  85
  86 typedef std::list<SFileRating> FileRatingList;
  87
  88 class SourcenameItem
  89 {
  90 public:
  91         wxString        name;
  92         long            count;
  93 public:
  94         SourcenameItem(const wxString &n, long c)
  95         :
  96         name(n), count(c) {}
  97 };
  98
  99 typedef std::list<SourcenameItem> SourcenameItemList;
 100
 101 class CPartFile : public CKnownFile {
 102 public:
 103         typedef std::list<Gap_Struct*> CGapPtrList;
 104         typedef std::list<Requested_Block_Struct*> CReqBlockPtrList;
 105
 106
 107         CPartFile();
 108 #ifdef CLIENT_GUI
 109         CPartFile(CEC_PartFile_Tag *tag);
 110 #else
 111         virtual void    SetFileName(const CPath& filename);
 112 #endif
 113         CPartFile(CSearchFile* searchresult);  //used when downloading a new file
 114         CPartFile(const CED2KFileLink* fileLink);
 115         virtual ~CPartFile();
 116
 117         bool    CreateFromFile(wxString WXUNUSED(directory), wxString WXUNUSED(filename), void* WXUNUSED(pvProgressParam)) {return false;}// not supported in this class
 118         void    SetPartFileStatus(uint8 newstatus);
 119         virtual bool LoadFromFile(const CFileDataIO* WXUNUSED(file)) { return false; }
 120         bool    WriteToFile(CFileDataIO* WXUNUSED(file))        { return false; }
 121         bool    IsPartFile() const              { return !(status == PS_COMPLETE); }
 122         uint32  Process(uint32 reducedownload, uint8 m_icounter);
 123         uint8   LoadPartFile(const CPath& in_directory, const CPath& filename, bool from_backup = false, bool getsizeonly = false);
 124         bool    SavePartFile(bool Initial = false);
 125         void    PartFileHashFinished(CKnownFile* result);
 126         bool    HashSinglePart(uint16 partnumber); // true = ok , false = corrupted
 127
 128         bool    CheckShowItemInGivenCat(int inCategory);
 129
 130         bool    IsComplete(uint64 start, uint64 end);
 131
 132         void    UpdateCompletedInfos();
 133
 134         bool    GetNextRequestedBlock(CUpDownClient* sender, std::vector<Requested_Block_Struct*>& toadd, uint16& count);
 135         void    WritePartStatus(CMemFile* file);
 136         void    WriteCompleteSourcesCount(CMemFile* file);
 137         static bool     CanAddSource(uint32 userid, uint16 port, uint32 serverip, uint16 serverport, uint8* pdebug_lowiddropped = NULL, bool ed2kID = true);
 138         void    AddSources(CMemFile& sources, uint32 serverip, uint16 serverport, unsigned origin, bool bWithObfuscationAndHash);
 139 #ifdef CLIENT_GUI
 140         uint8   GetStatus() const { return status; }
 141         uint8   GetStatus(bool /*ignorepause = false*/) const { return status; }
 142 #else
 143         uint8   GetStatus(bool ignorepause = false) const;
 144 #endif
 145         virtual void    UpdatePartsInfo();
 146         const CPath& GetPartMetFileName() const { return m_partmetfilename; }
 147         uint64  GetTransferred() const          { return transferred; }
 148         const CPath& GetFullName() const        { return m_fullname; }
 149         float   GetKBpsDown() const                     { return kBpsDown; }
 150         double  GetPercentCompleted() const     { return percentcompleted; }
 151
 152 #ifndef CLIENT_GUI
 153         uint16  GetSourceCount() const          { return (uint16)m_SrcList.size(); }
 154         uint16  GetSrcA4AFCount() const         { return (uint16)m_A4AFsrclist.size(); }
 155 #else
 156         uint16  m_source_count, m_a4af_source_count;
 157         uint16  GetSourceCount() const          { return m_source_count; }
 158         uint16  GetSrcA4AFCount() const         { return m_a4af_source_count; }
 159 #endif
 160         uint16  GetTransferingSrcCount() const  { return transferingsrc; }
 161         uint16  GetNotCurrentSourcesCount()     const   { return m_notCurrentSources; };
 162         void    SetNotCurrentSourcesCount(uint16 new_count)     { m_notCurrentSources = new_count; };
 163         uint16  GetValidSourcesCount() const    { return m_validSources; };
 164
 165         uint64  GetNeededSpace();
 166
 167         virtual wxString GetFeedback() const;
 168
 169         wxString getPartfileStatus() const; //<<--9/21/02
 170         sint32  getTimeRemaining() const; //<<--9/21/02
 171         time_t  lastseencomplete;
 172         int     getPartfileStatusRang() const;
 173
 174         // Barry - Added as replacement for BlockReceived to buffer data before writing to disk
 175         uint32  WriteToBuffer(uint32 transize, byte *data, uint64 start, uint64 end, Requested_Block_Struct *block);
 176         void    FlushBuffer(bool forcewait=false, bool bForceICH = false, bool bNoAICH = false);
 177
 178         // Barry - Is archive recovery in progress
 179         volatile bool m_bRecoveringArchive;
 180
 181         // Barry - Added to prevent list containing deleted blocks on shutdown
 182         void    RemoveAllRequestedBlocks(void);
 183
 184         void    RemoveBlockFromList(uint64 start,uint64 end);
 185         void    RemoveAllSources(bool bTryToSwap);
 186         void    Delete();
 187         void    StopFile(bool bCancel = false);
 188         void    PauseFile(bool bInsufficient = false);
 189         void    ResumeFile();
 190
 191         virtual CPacket* CreateSrcInfoPacket(const CUpDownClient* forClient, uint8 byRequestedVersion, uint16 nRequestedOptions);
 192         void    AddClientSources(CMemFile* sources, unsigned nSourceFrom, uint8 uClientSXVersion, bool bSourceExchange2, const CUpDownClient* pClient = NULL);
 193
 194         bool    PreviewAvailable();
 195         uint16  GetAvailablePartCount() const   { return m_availablePartsCount; }
 196         uint32  GetLastAnsweredTime() const     { return m_ClientSrcAnswered; }
 197         void    SetLastAnsweredTime();
 198         void    SetLastAnsweredTimeTimeout();
 199         uint64  GetLostDueToCorruption() const  { return m_iLostDueToCorruption; }
 200         uint64  GetGainDueToCompression() const { return m_iGainDueToCompression; }
 201         uint32  TotalPacketsSavedDueToICH()const{ return m_iTotalPacketsSavedDueToICH; }
 202         bool    IsStopped() const               { return this ? m_stopped : true; }
 203         bool    IsPaused() const                { return m_paused; }
 204         void    UpdateFileRatingCommentAvail();
 205         bool    m_CommentUpdated;
 206
 207         int     GetCommonFilePenalty();
 208         void    UpdateDisplayedInfo(bool force = false);
 209
 210         uint8   GetCategory() const { return m_category; }
 211         void    SetCategory(uint8 cat);
 212
 213         volatile bool m_bPreviewing;
 214         void    SetDownPriority(uint8 newDownPriority, bool bSave = true, bool bRefresh = true);
 215         bool    IsAutoDownPriority() const      { return m_bAutoDownPriority; }
 216         void    SetAutoDownPriority(bool flag)  { m_bAutoDownPriority = flag; }
 217         void    UpdateAutoDownPriority();
 218         uint8   GetDownPriority() const         { return m_iDownPriority; }
 219         void    SetActive(bool bActive);
 220         uint32  GetDlActiveTime() const;
 221         bool    GetInsufficient() const         { return m_insufficient; }
 222
 223         void    CompleteFileEnded(bool errorOccured, const CPath& newname);
 224
 225         bool    RemoveSource(CUpDownClient* toremove, bool updatewindow = true, bool bDoStatsUpdate = true);
 226
 227         void    RequestAICHRecovery(uint16 nPart);
 228         void    AICHRecoveryDataAvailable(uint16 nPart);
 229
 230         /**
 231          * This function is used to update source-counts.
 232          *
 233          * @param oldState The old state of the client, or -1 to ignore.
 234          * @param newState The new state of the client, or -1 to ignore.
 235          *
 236          * Call this function for a client belonging to this file, which has changed
 237          * its state. The value -1 can be used to make the function ignore one of
 238          * the two states.
 239          *
 240          * AddSource and DelSource takes care of calling this function when a source is
 241          * removed, so there's no need to call this function when calling either of those.
 242          */
 243         void    ClientStateChanged( int oldState, int newState );
 244
 245         bool    AddSource( CUpDownClient* client );
 246         bool    DelSource( CUpDownClient* client );
 247
 248         /**
 249          * Updates the requency of avilable parts from with the data the client provides.
 250          *
 251          * @param client The clients whoose available parts should be considered.
 252          * @param increment If true, the counts are incremented, otherwise they are decremented.
 253          *
 254          * This functions updates the frequency list of file-parts, using the clients
 255          * parts-status. This function should be called by clients every time they update their
 256          * parts-status, or when they are added or removed from the file.
 257          */
 258         void    UpdatePartsFrequency( CUpDownClient* client, bool increment );
 259
 260         ArrayOfUInts16  m_SrcpartFrequency;
 261
 262         void    SetShowSources( bool val )      { m_showSources = val; }
 263         bool    ShowSources()                           const { return m_showSources; }
 264
 265         typedef std::set<CUpDownClient*> SourceSet;
 266
 267         const SourceSet& GetSourceList()        const { return m_SrcList; }
 268         const SourceSet& GetA4AFList()          const { return m_A4AFsrclist; }
 269
 270         const CGapPtrList               GetGapList() const      { return m_gaplist; }
 271         const CReqBlockPtrList  GetRequestedBlockList() const { return m_requestedblocks_list; }
 272
 273
 274         /**
 275          * Adds a source to the list of dead sources.
 276          *
 277          * @param client The source to be recorded as dead for this file.
 278          */
 279         void            AddDeadSource(const CUpDownClient* client);
 280
 281         /**
 282          * Checks if a source is recorded as being dead for this file.
 283          *
 284          * @param client The client to evaluate.
 285          * @return True if dead, false otherwise.
 286          *
 287          * Sources that are dead are not to be considered valid
 288          * sources and should not be added to the partfile.
 289          */
 290         bool            IsDeadSource(const CUpDownClient* client);
 291
 292         /* Kad Stuff */
 293         uint16  GetMaxSources() const;
 294         uint16  GetMaxSourcePerFileSoft() const;
 295         uint16  GetMaxSourcePerFileUDP() const;
 296
 297         const FileRatingList &GetRatingAndComments();
 298
 299         void    AllocationFinished();
 300 private:
 301         CFile   m_hpartfile;    //permanent opened handle to avoid write conflicts
 302         //! A local list of sources that are invalid for this file.
 303 #ifndef CLIENT_GUI
 304         CDeadSourceList m_deadSources;
 305 #endif
 306
 307         uint16  m_notCurrentSources;
 308
 309         bool    m_showSources;
 310
 311         uint32  m_validSources;
 312
 313         void    AddGap(uint64 start, uint64 end);
 314         void    FillGap(uint64 start, uint64 end);
 315         bool    GetNextEmptyBlockInPart(uint16 partnumber,Requested_Block_Struct* result);
 316         bool    IsAlreadyRequested(uint64 start, uint64 end);
 317         void    CompleteFile(bool hashingdone);
 318         void    CreatePartFile();
 319         void    Init();
 320
 321         bool    CheckFreeDiskSpace( uint64 neededSpace = 0 );
 322
 323         bool    IsCorruptedPart(uint16 partnumber);
 324
 325         uint64  GetTotalGapSizeInPart(uint32 uPart) const;
 326
 327         uint64  GetTotalGapSizeInRange(uint64 uRangeStart, uint64 uRangeEnd) const;
 328
 329         uint32  m_iLastPausePurge;
 330         uint16  m_count;
 331         uint16  m_anStates[STATES_COUNT];
 332         uint16  transferingsrc;
 333         uint64  completedsize;
 334         uint64  transferred;
 335
 336         uint64  m_iLostDueToCorruption;
 337         uint64  m_iGainDueToCompression;
 338         uint32  m_iTotalPacketsSavedDueToICH;
 339         float   kBpsDown;
 340         CPath   m_fullname;                     // path/name of the met file
 341         CPath   m_partmetfilename;      // name of the met file
 342         CPath   m_PartPath;             // path/name of the partfile
 343         bool    m_paused;
 344         bool    m_stopped;
 345         bool    m_insufficient;
 346         uint8   m_iDownPriority;
 347         bool    m_bAutoDownPriority;
 348         uint8   status;
 349         uint32  lastpurgetime;
 350         uint32  m_LastNoNeededCheck;
 351         CGapPtrList m_gaplist;
 352         CReqBlockPtrList m_requestedblocks_list;
 353         double  percentcompleted;
 354         std::list<uint16> m_corrupted_list;
 355         uint16  m_availablePartsCount;
 356         uint32  m_ClientSrcAnswered;
 357         bool    m_bPercentUpdated;
 358
 359         void    PerformFileComplete();
 360
 361         uint32          m_lastRefreshedDLDisplay;
 362
 363         // Barry - Buffered data to be written
 364         std::list<PartFileBufferedData*> m_BufferedData_list;
 365
 366         uint32 m_nTotalBufferData;
 367         uint32 m_nLastBufferFlushTime;
 368
 369         uint8   m_category;
 370         uint32  m_nDlActiveTime;
 371         time_t  m_tActivated;
 372         bool    m_is_A4AF_auto;
 373
 374         SourceSet       m_SrcList;
 375         SourceSet       m_A4AFsrclist;
 376         bool            m_hashsetneeded;
 377         uint32          m_lastsearchtime;
 378         bool            m_localSrcReqQueued;
 379
 380         FileRatingList m_FileRatingList;
 381 #ifdef CLIENT_GUI
 382         SourcenameItemList m_SourcenameItem_list;
 383 public:
 384         const SourcenameItemList &GetSourcenameItemList() { return m_SourcenameItem_list; }
 385         void ClearSourcenameItemList() { m_SourcenameItem_list.clear(); }
 386         void AddSourcenameItemList(const wxString &name, long count) { m_SourcenameItem_list.push_back(SourcenameItem(name, count)); }
 387 #endif
 388 public:
 389         const FileRatingList &GetFileRatingList() { return m_FileRatingList; }
 390         void ClearFileRatingList() { m_FileRatingList.clear(); }
 391         void AddFileRatingList(const wxString & u, const wxString & f, sint16 r, const wxString & c) {
 392                m_FileRatingList.push_back(SFileRating(u, f, r, c)); }
 393
 394         bool IsHashSetNeeded() const                            { return m_hashsetneeded; }
 395         void SetHashSetNeeded(bool value)                       { m_hashsetneeded = value; }
 396
 397         uint64  GetCompletedSize() const                        { return completedsize; }
 398         void    SetCompletedSize(uint64 size)           { completedsize = size; }
 399
 400         bool IsLocalSrcRequestQueued() const            { return m_localSrcReqQueued; }
 401         void SetLocalSrcRequestQueued(bool value)       { m_localSrcReqQueued = value; }
 402
 403         void AddA4AFSource(CUpDownClient* src)          { m_A4AFsrclist.insert(src); }
 404         bool RemoveA4AFSource(CUpDownClient* src)       { return (m_A4AFsrclist.erase(src) > 0); }
 405
 406         uint32 GetLastSearchTime() const                        { return m_lastsearchtime; }
 407         void SetLastSearchTime(uint32 time)                     { m_lastsearchtime = time; }
 408
 409         // size of a certain part, last is different, all others are PARTSIZE
 410         uint32 GetPartSize(uint16 part) const;
 411
 412 //      void CleanUpSources( bool noNeeded, bool fullQueue = false, bool highQueue = false );
 413
 414         void AddDownloadingSource(CUpDownClient* client);
 415
 416         void RemoveDownloadingSource(CUpDownClient* client);
 417         void SetStatus(uint8 in);
 418         void StopPausedFile();
 419
 420         // [sivka / Tarod] Imported from eMule 0.30c (Creteil) ...
 421         void SetA4AFAuto(bool in)               { m_is_A4AF_auto = in; }
 422         bool IsA4AFAuto() const                 { return m_is_A4AF_auto; }
 423
 424         // Kry -Sources seeds
 425         void SaveSourceSeeds();
 426         void LoadSourceSeeds();
 427
 428         // Dropping slow sources
 429         CUpDownClient* GetSlowerDownloadingClient(uint32 speed, CUpDownClient* caller);
 430
 431   // Read data for sharing
 432         bool ReadData(uint64 offset, byte * adr, uint32 toread);
 433
 434 private:
 435         /* downloading sources list */
 436         CClientPtrList m_downloadingSourcesList;
 437
 438         /* Kad Stuff */
 439         uint32  m_LastSearchTimeKad;
 440         uint8   m_TotalSearchesKad;
 441
 442 friend class CDownQueueRem;
 443 friend class CPartFileConvert;
 444 };
 445
 446 #endif // PARTFILE_H
 447 // File_checked_for_headers