| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: copy.cc,v 1.6 1999/01/20 04:36:43 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | Copy URI - This method takes a uri like a file: uri and copies it |
| 7 | to the destination file. |
| 8 | |
| 9 | ##################################################################### */ |
| 10 | /*}}}*/ |
| 11 | // Include Files /*{{{*/ |
| 12 | #include <apt-pkg/fileutl.h> |
| 13 | #include <apt-pkg/acquire-method.h> |
| 14 | #include <apt-pkg/error.h> |
| 15 | |
| 16 | #include <sys/stat.h> |
| 17 | #include <utime.h> |
| 18 | #include <unistd.h> |
| 19 | /*}}}*/ |
| 20 | |
| 21 | class CopyMethod : public pkgAcqMethod |
| 22 | { |
| 23 | virtual bool Fetch(FetchItem *Itm); |
| 24 | |
| 25 | public: |
| 26 | |
| 27 | CopyMethod() : pkgAcqMethod("1.0",SingleInstance) {}; |
| 28 | }; |
| 29 | |
| 30 | // CopyMethod::Fetch - Fetch a file /*{{{*/ |
| 31 | // --------------------------------------------------------------------- |
| 32 | /* */ |
| 33 | bool CopyMethod::Fetch(FetchItem *Itm) |
| 34 | { |
| 35 | URI Get = Itm->Uri; |
| 36 | string File = Get.Path; |
| 37 | |
| 38 | // Stat the file and send a start message |
| 39 | struct stat Buf; |
| 40 | if (stat(File.c_str(),&Buf) != 0) |
| 41 | return _error->Errno("stat","Failed to stat"); |
| 42 | |
| 43 | // Forumulate a result and send a start message |
| 44 | FetchResult Res; |
| 45 | Res.Size = Buf.st_size; |
| 46 | Res.Filename = Itm->DestFile; |
| 47 | Res.LastModified = Buf.st_mtime; |
| 48 | Res.IMSHit = false; |
| 49 | URIStart(Res); |
| 50 | |
| 51 | // See if the file exists |
| 52 | FileFd From(File,FileFd::ReadOnly); |
| 53 | FileFd To(Itm->DestFile,FileFd::WriteEmpty); |
| 54 | To.EraseOnFailure(); |
| 55 | if (_error->PendingError() == true) |
| 56 | { |
| 57 | To.OpFail(); |
| 58 | return false; |
| 59 | } |
| 60 | |
| 61 | // Copy the file |
| 62 | if (CopyFile(From,To) == false) |
| 63 | { |
| 64 | To.OpFail(); |
| 65 | return false; |
| 66 | } |
| 67 | |
| 68 | From.Close(); |
| 69 | To.Close(); |
| 70 | |
| 71 | // Transfer the modification times |
| 72 | struct utimbuf TimeBuf; |
| 73 | TimeBuf.actime = Buf.st_atime; |
| 74 | TimeBuf.modtime = Buf.st_mtime; |
| 75 | if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0) |
| 76 | { |
| 77 | To.OpFail(); |
| 78 | return _error->Errno("utime","Failed to set modification time"); |
| 79 | } |
| 80 | |
| 81 | URIDone(Res); |
| 82 | return true; |
| 83 | } |
| 84 | /*}}}*/ |
| 85 | |
| 86 | int main() |
| 87 | { |
| 88 | CopyMethod Mth; |
| 89 | return Mth.Run(); |
| 90 | } |