diff options
Diffstat (limited to 'ftparchive/cachedb.cc')
| -rw-r--r-- | ftparchive/cachedb.cc | 230 |
1 files changed, 110 insertions, 120 deletions
diff --git a/ftparchive/cachedb.cc b/ftparchive/cachedb.cc index f6cbad668..539ed671b 100644 --- a/ftparchive/cachedb.cc +++ b/ftparchive/cachedb.cc @@ -97,64 +97,92 @@ bool CacheDB::ReadyDB(std::string const &DB) /* */ bool CacheDB::OpenFile() { - Fd = new FileFd(FileName,FileFd::ReadOnly); - if (_error->PendingError() == true) - { - CloseFile(); - return false; - } - return true; + // its open already + if(Fd && Fd->Name() == this->FileName) + return true; + + // a different file is open, close it first + if(Fd && Fd->Name() != this->FileName) + CloseFile(); + + // open a new file + Fd = new FileFd(FileName,FileFd::ReadOnly); + if (_error->PendingError() == true) + { + CloseFile(); + return false; + } + return true; } /*}}}*/ +// CacheDB::CloseFile - Close the file /*{{{*/ void CacheDB::CloseFile() { - delete Fd; - Fd = NULL; + if(Fd != NULL) + { + delete Fd; + Fd = NULL; + } } - + /*}}}*/ +// CacheDB::OpenDebFile - Open a debfile /*{{{*/ bool CacheDB::OpenDebFile() { + // debfile is already open + if(DebFile && &DebFile->GetFile() == Fd) + return true; + + // a different debfile is open, close it first + if(DebFile && &DebFile->GetFile() != Fd) + CloseDebFile(); + + // first open the fd, then pass it to the debDebFile + if(OpenFile() == false) + return false; DebFile = new debDebFile(*Fd); if (_error->PendingError() == true) return false; return true; } - + /*}}}*/ +// CacheDB::CloseDebFile - Close a debfile again /*{{{*/ void CacheDB::CloseDebFile() { - delete DebFile; - DebFile = NULL; -} + CloseFile(); + if(DebFile != NULL) + { + delete DebFile; + DebFile = NULL; + } +} + /*}}}*/ // CacheDB::GetFileStat - Get stats from the file /*{{{*/ // --------------------------------------------------------------------- /* This gets the size from the database if it's there. If we need * to look at the file, also get the mtime from the file. */ bool CacheDB::GetFileStat(bool const &doStat) { - if ((CurStat.Flags & FlSize) == FlSize && doStat == false) - { - /* Already worked out the file size */ - } - else - { - /* Get it from the file. */ - if (Fd == NULL && OpenFile() == false) - { - return false; - } - // Stat the file - struct stat St; - if (fstat(Fd->Fd(),&St) != 0) - { - return _error->Errno("fstat", - _("Failed to stat %s"),FileName.c_str()); - } - CurStat.FileSize = St.st_size; - CurStat.mtime = htonl(St.st_mtime); - CurStat.Flags |= FlSize; - } - return true; + if ((CurStat.Flags & FlSize) == FlSize && doStat == false) + return true; + + /* Get it from the file. */ + if (OpenFile() == false) + return false; + + // Stat the file + struct stat St; + if (fstat(Fd->Fd(),&St) != 0) + { + CloseFile(); + return _error->Errno("fstat", + _("Failed to stat %s"),FileName.c_str()); + } + CurStat.FileSize = St.st_size; + CurStat.mtime = htonl(St.st_mtime); + CurStat.Flags |= FlSize; + + return true; } /*}}}*/ // CacheDB::GetCurStat - Set the CurStat variable. /*{{{*/ @@ -165,25 +193,25 @@ bool CacheDB::GetCurStat() { memset(&CurStat,0,sizeof(CurStat)); - if (DBLoaded) - { - /* First see if there is anything about it - in the database */ - - /* Get the flags (and mtime) */ - InitQuery("st"); - // Ensure alignment of the returned structure - Data.data = &CurStat; - Data.ulen = sizeof(CurStat); - Data.flags = DB_DBT_USERMEM; - if (Get() == false) + if (DBLoaded) + { + /* First see if there is anything about it + in the database */ + + /* Get the flags (and mtime) */ + InitQuery("st"); + // Ensure alignment of the returned structure + Data.data = &CurStat; + Data.ulen = sizeof(CurStat); + Data.flags = DB_DBT_USERMEM; + if (Get() == false) { CurStat.Flags = 0; } - CurStat.Flags = ntohl(CurStat.Flags); - CurStat.FileSize = ntohl(CurStat.FileSize); + CurStat.Flags = ntohl(CurStat.Flags); + CurStat.FileSize = ntohl(CurStat.FileSize); } - return true; + return true; } /*}}}*/ // CacheDB::GetFileInfo - Get all the info about the file /*{{{*/ @@ -200,40 +228,31 @@ bool CacheDB::GetFileInfo(std::string const &FileName, bool const &DoControl, this->FileName = FileName; if (GetCurStat() == false) - { return false; - } OldStat = CurStat; if (GetFileStat(checkMtime) == false) - { - CloseFile(); return false; - } - /* if mtime changed, update CurStat from disk */ - if (checkMtime == true && OldStat.mtime != CurStat.mtime) - CurStat.Flags = FlSize; - - Stats.Bytes += CurStat.FileSize; - Stats.Packages++; - - if ((DoControl && LoadControl() == false) - || (DoContents && LoadContents(GenContentsOnly) == false) - || (DoSource && LoadSource() == false) - || (DoMD5 && GetMD5(false) == false) - || (DoSHA1 && GetSHA1(false) == false) - || (DoSHA256 && GetSHA256(false) == false) - || (DoSHA512 && GetSHA512(false) == false) - ) - { - result = false; - } - - CloseFile(); - CloseDebFile(); + /* if mtime changed, update CurStat from disk */ + if (checkMtime == true && OldStat.mtime != CurStat.mtime) + CurStat.Flags = FlSize; + + Stats.Bytes += CurStat.FileSize; + Stats.Packages++; + + if ((DoControl && LoadControl() == false) + || (DoContents && LoadContents(GenContentsOnly) == false) + || (DoSource && LoadSource() == false) + || (DoMD5 && GetMD5(false) == false) + || (DoSHA1 && GetSHA1(false) == false) + || (DoSHA256 && GetSHA256(false) == false) + || (DoSHA512 && GetSHA512(false) == false) ) + { + result = false; + } - return result; + return result; } /*}}}*/ @@ -249,18 +268,9 @@ bool CacheDB::LoadSource() CurStat.Flags &= ~FlSource; } - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } - // Read the .dsc file - if (Fd == NULL) - { - if(OpenFile() == false) - return false; - } - Stats.Misses++; if (Dsc.Read(FileName) == false) return false; @@ -291,16 +301,8 @@ bool CacheDB::LoadControl() CurStat.Flags &= ~FlControl; } - if (Fd == NULL && OpenFile() == false) - { + if(OpenDebFile() == false) return false; - } - // Create a deb instance to read the archive - if (DebFile == NULL) - { - if(OpenDebFile() == false) - return false; - } Stats.Misses++; if (Control.Read(*DebFile) == false) @@ -338,16 +340,8 @@ bool CacheDB::LoadContents(bool const &GenOnly) CurStat.Flags &= ~FlContents; } - if (Fd == NULL && OpenFile() == false) - { + if(OpenDebFile() == false) return false; - } - // Create a deb instance to read the archive - if (DebFile == 0) - { - if(OpenDebFile() == false) - return false; - } Stats.Misses++; if (Contents.Read(*DebFile) == false) @@ -404,14 +398,13 @@ bool CacheDB::GetMD5(bool const &GenOnly) MD5Res = bytes2hex(CurStat.MD5, sizeof(CurStat.MD5)); return true; - } + } Stats.MD5Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + MD5Summation MD5; if (Fd->Seek(0) == false || MD5.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -439,10 +432,9 @@ bool CacheDB::GetSHA1(bool const &GenOnly) Stats.SHA1Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA1Summation SHA1; if (Fd->Seek(0) == false || SHA1.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -470,10 +462,9 @@ bool CacheDB::GetSHA256(bool const &GenOnly) Stats.SHA256Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA256Summation SHA256; if (Fd->Seek(0) == false || SHA256.AddFD(*Fd, CurStat.FileSize) == false) return false; @@ -501,10 +492,9 @@ bool CacheDB::GetSHA512(bool const &GenOnly) Stats.SHA512Bytes += CurStat.FileSize; - if (Fd == NULL && OpenFile() == false) - { + if (OpenFile() == false) return false; - } + SHA512Summation SHA512; if (Fd->Seek(0) == false || SHA512.AddFD(*Fd, CurStat.FileSize) == false) return false; |