// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: copy.cc,v 1.2 1998/10/25 07:07:29 jgg Exp $
+// $Id: copy.cc,v 1.7.2.1 2004/01/16 18:58:50 mdz Exp $
/* ######################################################################
Copy URI - This method takes a uri like a file: uri and copies it
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include <config.h>
+
#include <apt-pkg/fileutl.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/acquire-method.h>
#include <apt-pkg/error.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/configuration.h>
+#include <string>
#include <sys/stat.h>
-#include <utime.h>
-#include <unistd.h>
-#include <stdio.h>
+#include <sys/time.h>
+
+#include <apti18n.h>
/*}}}*/
-// Fail - Generate a failure message /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void Fail(string URI)
+class CopyMethod : public pkgAcqMethod
{
- string Err = "Undetermined Error";
- if (_error->empty() == false)
- _error->PopMessage(Err);
+ virtual bool Fetch(FetchItem *Itm);
+ void CalculateHashes(FetchResult &Res);
- printf("400 URI Failure\n"
- "URI: %s\n"
- "Message: %s\n\n",URI.c_str(),Err.c_str());
- _error->Discard();
+ public:
+
+ CopyMethod() : pkgAcqMethod("1.0",SingleInstance | SendConfig) {};
+};
+
+void CopyMethod::CalculateHashes(FetchResult &Res)
+{
+ // For gzip indexes we need to look inside the gzip for the hash
+ // We can not use the extension here as its not used in partial
+ // on a IMS hit
+ FileFd::OpenMode OpenMode = FileFd::ReadOnly;
+ if (_config->FindB("Acquire::GzipIndexes", false) == true)
+ OpenMode = FileFd::ReadOnlyGzip;
+
+ Hashes Hash;
+ FileFd Fd(Res.Filename, OpenMode);
+ Hash.AddFD(Fd);
+ Res.TakeHashes(Hash);
}
- /*}}}*/
-int main()
+// CopyMethod::Fetch - Fetch a file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CopyMethod::Fetch(FetchItem *Itm)
{
- setlinebuf(stdout);
- SetNonBlock(STDIN_FILENO,true);
+ // this ensures that relative paths work in copy
+ std::string File = Itm->Uri.substr(Itm->Uri.find(':')+1);
+
+ // Stat the file and send a start message
+ struct stat Buf;
+ if (stat(File.c_str(),&Buf) != 0)
+ return _error->Errno("stat",_("Failed to stat"));
+
+ // Forumulate a result and send a start message
+ FetchResult Res;
+ Res.Size = Buf.st_size;
+ Res.Filename = Itm->DestFile;
+ Res.LastModified = Buf.st_mtime;
+ Res.IMSHit = false;
+ URIStart(Res);
- printf("100 Capabilities\n"
- "Version: 1.0\n"
- "Pipeline: true\n\n");
-
- vector<string> Messages;
- while (1)
+ // just calc the hashes if the source and destination are identical
+ if (File == Itm->DestFile)
{
- if (WaitFd(STDIN_FILENO) == false ||
- ReadMessages(STDIN_FILENO,Messages) == false)
- return 0;
-
- while (Messages.empty() == false)
- {
- string Message = Messages.front();
- Messages.erase(Messages.begin());
-
- // Fetch the message number
- char *End;
- int Number = strtol(Message.c_str(),&End,10);
- if (End == Message.c_str())
- {
- cerr << "Malformed message!" << endl;
- return 100;
- }
-
- // We only understand 600 URI Fetch messages
- if (Number != 600)
- continue;
-
- // Grab the URI bit
- string URI = LookupTag(Message,"URI");
- string Target = LookupTag(Message,"Filename");
-
- // Grab the filename
- string::size_type Pos = URI.find(':');
- if (Pos == string::npos)
- {
- _error->Error("Invalid message");
- Fail(URI);
- continue;
- }
- string File = string(URI,Pos+1);
-
- // Start the reply message
- string Result = "201 URI Done";
- Result += "\nURI: " + URI;
- Result += "\nFileName: " + Target;
-
- // See if the file exists
- FileFd From(File,FileFd::ReadOnly);
- FileFd To(Target,FileFd::WriteEmpty);
- To.EraseOnFailure();
- if (_error->PendingError() == true)
- {
- Fail(URI);
- continue;
- }
-
- // Copy the file
- if (CopyFile(From,To) == false)
- {
- Fail(URI);
- continue;
- }
-
- From.Close();
- To.Close();
-
- // Transfer the modification times
- struct stat Buf;
- if (stat(File.c_str(),&Buf) != 0)
- {
- _error->Errno("stat","Failed to stat");
- Fail(URI);
- continue;
- }
- struct utimbuf TimeBuf;
- TimeBuf.actime = Buf.st_atime;
- TimeBuf.modtime = Buf.st_mtime;
- if (utime(Target.c_str(),&TimeBuf) != 0)
- {
- _error->Errno("utime","Failed to set modification time");
- Fail(URI);
- continue;
- }
-
- // Send the message
- Result += "\n\n";
- if (write(STDOUT_FILENO,Result.begin(),Result.length()) !=
- (signed)Result.length())
- return 100;
- }
+ CalculateHashes(Res);
+ URIDone(Res);
+ return true;
+ }
+
+ // See if the file exists
+ FileFd From(File,FileFd::ReadOnly);
+ FileFd To(Itm->DestFile,FileFd::WriteAtomic);
+ To.EraseOnFailure();
+ if (_error->PendingError() == true)
+ {
+ To.OpFail();
+ return false;
}
- return 0;
+ // Copy the file
+ if (CopyFile(From,To) == false)
+ {
+ To.OpFail();
+ return false;
+ }
+
+ From.Close();
+ To.Close();
+
+ // Transfer the modification times
+ struct timeval times[2];
+ times[0].tv_sec = Buf.st_atime;
+ times[1].tv_sec = Buf.st_mtime;
+ times[0].tv_usec = times[1].tv_usec = 0;
+ if (utimes(Res.Filename.c_str(), times) != 0)
+ return _error->Errno("utimes",_("Failed to set modification time"));
+
+ CalculateHashes(Res);
+
+ URIDone(Res);
+ return true;
+}
+ /*}}}*/
+
+int main()
+{
+ setlocale(LC_ALL, "");
+
+ CopyMethod Mth;
+ return Mth.Run();
}
projects / apt.git / blobdiff