}
/*}}}*/
-// AcqIndexDiffs::AcqIndexDiffs - Constructor
+
+// AcqDiffIndex::AcqDiffIndex - Constructor
// ---------------------------------------------------------------------
-/* The package diff is added to the queue. one object is constructed
- * for each diff and the index
+/* Get the DiffIndex file first and see if there are patches availabe
+ * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
+ * patches. If anything goes wrong in that process, it will fall back to
+ * the original packages file
*/
-pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
- string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5, vector<DiffInfo> diffs)
- : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), available_patches(diffs)
+pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string ExpectedMD5)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), Description(URIDesc)
{
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(URI);
-
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Desc.Description = URIDesc;
+ Desc.Description = URIDesc + "/DiffIndex";
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI + ".diff/Index";
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI) + string(".DiffIndex");
+
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
+
+ // look for the current package file
CurrentPackagesFile = _config->FindDir("Dir::State::lists");
CurrentPackagesFile += URItoFileName(RealURI);
- if(Debug) {
- std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
- << CurrentPackagesFile << std::endl;
- }
-
if(!FileExists(CurrentPackagesFile) ||
!_config->FindB("Acquire::Diffs",true)) {
// we don't have a pkg file or we don't want to queue
return;
}
- if(available_patches.size() == 0)
- QueueDiffIndex(URI);
- else
- QueueNextDiff();
-}
-
-void pkgAcqIndexDiffs::QueueDiffIndex(string URI)
-{
- Desc.URI = URI + ".diff/Index";
- Desc.Description = Description + "IndexDiff";
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(URI) + string(".IndexDiff");
-
- if(Debug)
- std::clog << "QueueDiffIndex: " << Desc.URI << std::endl;
+ if(Debug) {
+ std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
+ << CurrentPackagesFile << std::endl;
+ }
QueueURI(Desc);
+
}
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
-string pkgAcqIndexDiffs::Custom600Headers()
+string pkgAcqDiffIndex::Custom600Headers()
{
- if(DestFile.rfind(".IndexDiff") == string::npos)
- return string("");
-
string Final = _config->FindDir("Dir::State::lists");
Final += URItoFileName(RealURI) + string(".IndexDiff");
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
+
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
+ << std::endl;
+
+ pkgTagSection Tags;
+ string ServerSha1;
+ vector<DiffInfo> available_patches;
+
+ FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ pkgTagFile TF(&Fd);
+ if (_error->PendingError() == true)
+ return false;
+
+ if(TF.Step(Tags) == true)
+ {
+ string local_sha1;
+ bool found = false;
+ DiffInfo d;
+ string size;
+
+ string tmp = Tags.FindS("SHA1-Current");
+ std::stringstream ss(tmp);
+ ss >> ServerSha1;
+
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ local_sha1 = string(SHA1.Result());
+
+ if(local_sha1 == ServerSha1) {
+ if(Debug)
+ std::clog << "Package file is up-to-date" << std::endl;
+ // set found to true, this will queue a pkgAcqIndexDiffs with
+ // a empty availabe_patches
+ found = true;
+ } else {
+ if(Debug)
+ std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
+
+ // check the historie and see what patches we need
+ string history = Tags.FindS("SHA1-History");
+ std::stringstream hist(history);
+ while(hist >> d.sha1 >> size >> d.file) {
+ d.size = atoi(size.c_str());
+ // read until the first match is found
+ if(d.sha1 == local_sha1)
+ found=true;
+ // from that point on, we probably need all diffs
+ if(found) {
+ if(Debug)
+ std::clog << "Need to get diff: " << d.file << std::endl;
+ available_patches.push_back(d);
+ }
+ }
+ }
+
+ // no information how to get the patches, bail out
+ if(!found) {
+ if(Debug)
+ std::clog << "Can't find a patch in the index file" << std::endl;
+ // Failed will queue a big package file
+ Failed("", NULL);
+ } else {
+ // queue the diffs
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5, available_patches);
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return true;
+ }
+ }
+
+ return false;
+}
+
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+
+ new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5);
+
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+}
+
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading the index
+ // rename the index
+ FinalFile += string(".IndexDiff");
+ if(Debug)
+ std::clog << "Renaming: " << DestFile << " -> " << FinalFile
+ << std::endl;
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+ DestFile = FinalFile;
+
+ if(!ParseDiffIndex(DestFile))
+ return Failed("", NULL);
+
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+
+
+
+// AcqIndexDiffs::AcqIndexDiffs - Constructor
+// ---------------------------------------------------------------------
+/* The package diff is added to the queue. one object is constructed
+ * for each diff and the index
+ */
+pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string ExpectedMD5, vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5),
+ available_patches(diffs)
+{
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+
+ if(available_patches.size() == 0) {
+ // we are done (yeah!)
+ Finish(true);
+ } else {
+ // get the next diff
+ State = StateFetchDiff;
+ QueueNextDiff();
+ }
+}
+
+
void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
- std::clog << "Failed(): " << Desc.URI << std::endl
- << "Falling back to big package file" << std::endl;
- new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
+ std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+ new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
ExpectedMD5);
Finish();
}
// we restore the original name, this is required, otherwise
// the file will be cleaned
if(allDone) {
- // this is for the "real" finish
DestFile = _config->FindDir("Dir::State::lists");
DestFile += URItoFileName(RealURI);
+
+ // do the final md5sum checking
+ MD5Summation sum;
+ FileFd Fd(DestFile, FileFd::ReadOnly);
+ sum.AddFD(Fd.Fd(), Fd.Size());
+ Fd.Close();
+ string MD5 = (string)sum.Result();
+
+ if (!ExpectedMD5.empty() && MD5 != ExpectedMD5)
+ {
+ Status = StatAuthError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ Dequeue();
+ return;
+ }
+
+ // this is for the "real" finish
Complete = true;
+ Status = StatDone;
Dequeue();
if(Debug)
std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
return;
-
}
if(Debug)
}
-// this needs to be rewriten to not depend on the external ed
-bool pkgAcqIndexDiffs::ApplyDiff(string PatchFile)
-{
- char *error;
- int res=0;
-
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(RealURI);
-
- int Process = ExecFork();
- if (Process == 0)
- {
- chdir(_config->FindDir("Dir::State::lists").c_str());
- // for some reason "red" fails with the pdiffs from p.d.o/~aba ?!?
- string cmd = "(zcat " + PatchFile + "; echo \"wq\" ) | /bin/ed " + FinalFile + " >/dev/null 2>/dev/null";
- if(Debug)
- std::clog << "Runing: " << cmd << std::endl;
- res = system(cmd.c_str());
- _exit(WEXITSTATUS(res));
- }
- if(!ExecWait(Process, error, true)) {
- //_error->Error("Patch failed: %s ", error);
- return false;
- }
-
- return true;
-}
bool pkgAcqIndexDiffs::QueueNextDiff()
{
+
// calc sha1 of the just patched file
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
SHA1Summation SHA1;
SHA1.AddFD(fd.Fd(), fd.Size());
string local_sha1 = string(SHA1.Result());
+ if(Debug)
+ std::clog << "QueueNextDiff: "
+ << FinalFile << " (" << local_sha1 << ")"<<std::endl;
// remove all patches until the next matching patch is found
// this requires the Index file to be ordered
for(vector<DiffInfo>::iterator I=available_patches.begin();
- I != available_patches.end() && (*I).sha1 != local_sha1;
- I++)
+ available_patches.size() > 0 && I != available_patches.end()
+ && (*I).sha1 != local_sha1;
+ I++) {
available_patches.erase(I);
+ }
// error checking and falling back if no patch was found
if(available_patches.size() == 0) {
}
// queue the right diff
- Desc.URI = string(RealURI) + string(".diff/") + available_patches[0].file + string(".gz");
+ Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
Desc.Description = available_patches[0].file + string(".pdiff");
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(RealURI + string(".diff/") + available_patches[0].file);
+ DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
if(Debug)
std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
return true;
}
-bool pkgAcqIndexDiffs::ParseIndexDiff(string IndexDiffFile)
-{
- if(Debug)
- std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
- << std::endl;
-
- FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
- pkgTagFile TF(&Fd);
- if (_error->PendingError() == true)
- return false;
- pkgTagSection Tags;
- if(TF.Step(Tags) == true)
- {
- string local_sha1;
- string tmp = Tags.FindS("SHA1-Current");
- std::stringstream ss(tmp);
- ss >> ServerSha1;
-
- FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
- SHA1Summation SHA1;
- SHA1.AddFD(fd.Fd(), fd.Size());
- local_sha1 = string(SHA1.Result());
-
- if(local_sha1 == ServerSha1) {
- if(Debug)
- std::clog << "Package file is up-to-date" << std::endl;
- Finish(true);
- return true;
- }
- if(Debug)
- std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
-
- // check the historie and see what patches we need
- string history = Tags.FindS("SHA1-History");
- std::stringstream hist(history);
- DiffInfo d;
- string size;
- bool found = false;
- while(hist >> d.sha1 >> size >> d.file) {
- d.size = atoi(size.c_str());
- // read until the first match is found
- if(d.sha1 == local_sha1)
- found=true;
- // from that point on, we probably need all diffs
- if(found) {
- if(Debug)
- std::clog << "Need to get diff: " << d.file << std::endl;
- available_patches.push_back(d);
- }
- }
-
- // no information how to get the patches, bail out
- if(!found) {
- if(Debug)
- std::clog << "Can't find a patch in the index file" << std::endl;
- // Failed will queue a big package file
- Failed("", NULL);
- } else {
- // queue the diffs
- new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedMD5, available_patches);
- Finish();
- return true;
- }
- }
-
- return false;
-}
void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
Item::Done(Message,Size,Md5Hash,Cnf);
- int len = Desc.URI.size();
- // sucess in downloading the index
- if(Desc.URI.substr(len-strlen("Index"),len-1) == "Index") {
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateFetchDiff)
+ {
- // rename
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(RealURI) + string(".IndexDiff");
if(Debug)
- std::clog << "Renaming: " << DestFile << " -> " << FinalFile
- << std::endl;
- Rename(DestFile,FinalFile);
- chmod(FinalFile.c_str(),0644);
- DestFile = FinalFile;
+ std::clog << "Sending to gzip method: " << FinalFile << std::endl;
+
+ string FileName = LookupTag(Message,"Filename");
+ State = StateUnzipDiff;
+ Desc.URI = "gzip:" + FileName;
+ DestFile += ".decomp";
+ QueueURI(Desc);
+ Mode = "gzip";
+ return;
+ }
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateUnzipDiff)
+ {
+
+ // rred excepts the patch as $FinalFile.ed
+ Rename(DestFile,FinalFile+".ed");
+
+ if(Debug)
+ std::clog << "Sending to rred method: " << FinalFile << std::endl;
+
+ State = StateApplyDiff;
+ Desc.URI = "rred:" + FinalFile;
+ QueueURI(Desc);
+ Mode = "rred";
+ return;
+ }
- if(!ParseIndexDiff(DestFile))
- return Failed("", NULL);
- else
- return Finish();
- }
- // sucess in downloading a diff
- if(Desc.URI.find(".diff") != string::npos) {
- ApplyDiff(DestFile);
+ // success in download/apply a diff, queue next (if needed)
+ if(State == StateApplyDiff)
+ {
+ // remove the just applied patch
available_patches.erase(available_patches.begin());
+ // move into place
+ if(Debug)
+ {
+ std::clog << "Moving patched file in place: " << std::endl
+ << DestFile << " -> " << FinalFile << std::endl;
+ }
+ Rename(DestFile,FinalFile);
+
+ // see if there is more to download
if(available_patches.size() > 0) {
new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
ExpectedMD5, available_patches);
- } else {
- Finish(true);
- return;
- }
+ return Finish();
+ } else
+ return Finish(true);
}
-
- Finish();
}
{
Decompression = false;
Erase = false;
-
+
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(URI);
if(comprExt.empty())
{
- // autoselect
- if(FileExists("/usr/bin/bzip2"))
- Desc.URI = URI + ".bz2";
- else
- Desc.URI = URI + ".gz";
+ // autoselect the compression method
+ if(FileExists("/usr/bin/bzip2"))
+ CompressionExtension = ".bz2";
+ else
+ CompressionExtension = ".gz";
} else {
- Desc.URI = URI + comprExt;
+ CompressionExtension = comprExt;
}
+ Desc.URI = URI + CompressionExtension;
Desc.Description = URIDesc;
Desc.Owner = this;
Mode = decompProg;
}
+// AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* The Translation file is added to the queue */
+pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc) :
+ pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, "", "")
+{
+}
+
+ /*}}}*/
+// AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
+}
+ /*}}}*/
+
pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
string MetaIndexURI, string MetaIndexURIDesc,
string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
unlink(Final.c_str());
+ // if we get a timeout if fail
+ if(LookupTag(Message,"FailReason") == "Timeout" ||
+ LookupTag(Message,"FailReason") == "TmpResolveFailure") {
+ Item::Failed(Message,Cnf);
+ return;
+ }
+
// queue a pkgAcqMetaIndex with no sigfile
new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
"", IndexTargets, MetaIndexParser);
}
// Queue Packages file
- new pkgAcqIndexDiffs(Owner, (*Target)->URI, (*Target)->Description,
- (*Target)->ShortDesc, ExpectedIndexMD5);
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexMD5);
}
}
{
Status = StatError;
ErrorText = _("MD5Sum mismatch");
- Rename(DestFile,DestFile + ".FAILED");
+ if(FileExists(DestFile))
+ Rename(DestFile,DestFile + ".FAILED");
return;
}
}
projects / apt.git / blobdiff