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-rw-r--r--apt-pkg/acquire-item.cc112
-rw-r--r--apt-pkg/acquire-item.h20
-rw-r--r--apt-pkg/acquire-worker.cc84
3 files changed, 114 insertions, 102 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index f5986a260..d0b92ec66 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -399,18 +399,23 @@ bool pkgAcqTransactionItem::QueueURI(pkgAcquire::ItemDesc &Item)
return false;
}
// If we got the InRelease file via a mirror, pick all indexes directly from this mirror, too
- if (TransactionManager->BaseURI.empty() == false && UsedMirror.empty() &&
- URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
+ if (TransactionManager->BaseURI.empty() == false && TransactionManager->UsedMirror.empty() == false &&
+ URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
{
// this ensures we rewrite only once and only the first step
auto const OldBaseURI = Target.Option(IndexTarget::BASE_URI);
if (OldBaseURI.empty() == false && APT::String::Startswith(Item.URI, OldBaseURI))
{
auto const ExtraPath = Item.URI.substr(OldBaseURI.length());
- Item.URI = flCombine(TransactionManager->BaseURI, ExtraPath);
- UsedMirror = TransactionManager->UsedMirror;
- if (Item.Description.find(" ") != string::npos)
- Item.Description.replace(0, Item.Description.find(" "), UsedMirror);
+ auto newURI = flCombine(TransactionManager->BaseURI, ExtraPath);
+ if (IsGoodAlternativeURI(newURI))
+ {
+ PushAlternativeURI(std::string(Item.URI), {}, false);
+ Item.URI = std::move(newURI);
+ UsedMirror = TransactionManager->UsedMirror;
+ if (Item.Description.find(" ") != string::npos)
+ Item.Description.replace(0, Item.Description.find(" "), UsedMirror);
+ }
}
}
return pkgAcquire::Item::QueueURI(Item);
@@ -686,11 +691,12 @@ class pkgAcquire::Item::Private
public:
struct AlternateURI
{
- std::string const URI;
+ std::string URI;
std::unordered_map<std::string, std::string> changefields;
AlternateURI(std::string &&u, decltype(changefields) &&cf) : URI(u), changefields(cf) {}
};
std::list<AlternateURI> AlternativeURIs;
+ std::vector<std::string> BadAlternativeSites;
std::vector<std::string> PastRedirections;
std::unordered_map<std::string, std::string> CustomFields;
unsigned int Retries;
@@ -749,14 +755,32 @@ bool pkgAcquire::Item::PopAlternativeURI(std::string &NewURI) /*{{{*/
return true;
}
/*}}}*/
+bool pkgAcquire::Item::IsGoodAlternativeURI(std::string const &AltUri) const/*{{{*/
+{
+ return std::find(d->PastRedirections.cbegin(), d->PastRedirections.cend(), AltUri) == d->PastRedirections.cend() &&
+ std::find(d->BadAlternativeSites.cbegin(), d->BadAlternativeSites.cend(), URI::SiteOnly(AltUri)) == d->BadAlternativeSites.cend();
+}
+ /*}}}*/
void pkgAcquire::Item::PushAlternativeURI(std::string &&NewURI, std::unordered_map<std::string, std::string> &&fields, bool const at_the_back) /*{{{*/
{
+ if (IsGoodAlternativeURI(NewURI) == false)
+ return;
if (at_the_back)
d->AlternativeURIs.emplace_back(std::move(NewURI), std::move(fields));
else
d->AlternativeURIs.emplace_front(std::move(NewURI), std::move(fields));
}
/*}}}*/
+void pkgAcquire::Item::RemoveAlternativeSite(std::string &&OldSite) /*{{{*/
+{
+ d->AlternativeURIs.erase(std::remove_if(d->AlternativeURIs.begin(), d->AlternativeURIs.end(),
+ [&](decltype(*d->AlternativeURIs.cbegin()) AltUri) {
+ return URI::SiteOnly(AltUri.URI) == OldSite;
+ }),
+ d->AlternativeURIs.end());
+ d->BadAlternativeSites.push_back(std::move(OldSite));
+}
+ /*}}}*/
unsigned int &pkgAcquire::Item::ModifyRetries() /*{{{*/
{
return d->Retries;
@@ -2231,7 +2255,7 @@ void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/
{
// list cleanup needs to know that this file as well as the already
// present index is ours, so we create an empty diff to save it for us
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, Target.URI);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, Target.URI);
}
/*}}}*/
static bool RemoveFileForBootstrapLinking(std::string &ErrorText, std::string const &For, std::string const &Boot)/*{{{*/
@@ -2585,7 +2609,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/
/*}}}*/
void pkgAcqDiffIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
{
- if (CommonFailed(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Message, Cnf))
+ if (CommonFailed(GetDiffIndexURI(Target), Message, Cnf))
return;
RenameOnError(PDiffError);
@@ -2649,15 +2673,15 @@ void pkgAcqDiffIndex::Done(string const &Message,HashStringList const &Hashes, /
}
if (pdiff_merge == false)
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, indexURI, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, indexURI, available_patches);
else
{
diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());
for(size_t i = 0; i < available_patches.size(); ++i)
(*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, TransactionManager,
- Target, UsedMirror, indexURI,
- available_patches[i],
- diffs);
+ Target, indexURI,
+ available_patches[i],
+ diffs);
}
}
@@ -2681,13 +2705,13 @@ pkgAcqDiffIndex::~pkgAcqDiffIndex()
/* The package diff is added to the queue. one object is constructed
* for each diff and the index
*/
-pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
- pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target,
- std::string const &indexUsedMirror, std::string const &indexURI,
+pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *const Owner,
+ pkgAcqMetaClearSig *const TransactionManager,
+ IndexTarget const &Target,
+ std::string const &indexURI,
vector<DiffInfo> const &diffs)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
- available_patches(diffs)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
+ available_patches(diffs)
{
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
@@ -2697,12 +2721,6 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
Description = Target.Description;
Desc.ShortDesc = Target.ShortDesc;
- UsedMirror = indexUsedMirror;
- if (UsedMirror == "DIRECT")
- UsedMirror.clear();
- else if (UsedMirror.empty() == false && Description.find(" ") != string::npos)
- Description.replace(0, Description.find(" "), UsedMirror);
-
if(available_patches.empty() == true)
{
// we are done (yeah!), check hashes against the final file
@@ -2870,7 +2888,7 @@ void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes,
// see if there is more to download
if(available_patches.empty() == false)
{
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, indexURI, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, indexURI, available_patches);
Finish();
} else {
DestFile = PatchedFile;
@@ -2896,23 +2914,17 @@ std::string pkgAcqIndexDiffs::Custom600Headers() const /*{{{*/
pkgAcqIndexDiffs::~pkgAcqIndexDiffs() {}
// AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/
-pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
- pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target,
- std::string const &indexUsedMirror, std::string const &indexURI,
- DiffInfo const &patch,
- std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
- patch(patch), allPatches(allPatches), State(StateFetchDiff)
+pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *const Owner,
+ pkgAcqMetaClearSig *const TransactionManager,
+ IndexTarget const &Target,
+ std::string const &indexURI,
+ DiffInfo const &patch,
+ std::vector<pkgAcqIndexMergeDiffs *> const *const allPatches)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
+ patch(patch), allPatches(allPatches), State(StateFetchDiff)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
-
Description = Target.Description;
- UsedMirror = indexUsedMirror;
- if (UsedMirror == "DIRECT")
- UsedMirror.clear();
- else if (UsedMirror.empty() == false && Description.find(" ") != string::npos)
- Description.replace(0, Description.find(" "), UsedMirror);
Desc.Owner = this;
Desc.ShortDesc = Target.ShortDesc;
@@ -3170,24 +3182,10 @@ string pkgAcqIndex::Custom600Headers() const
}
/*}}}*/
// AcqIndex::Failed - getting the indexfile failed /*{{{*/
-bool pkgAcqIndex::CommonFailed(std::string const &TargetURI, std::string const TargetDesc,
- std::string const &Message, pkgAcquire::MethodConfig const * const Cnf)
+bool pkgAcqIndex::CommonFailed(std::string const &TargetURI,
+ std::string const &Message, pkgAcquire::MethodConfig const *const Cnf)
{
pkgAcqBaseIndex::Failed(Message,Cnf);
-
- if (UsedMirror.empty() == false && UsedMirror != "DIRECT" &&
- LookupTag(Message, "FailReason") == "HttpError404")
- {
- UsedMirror = "DIRECT";
- if (Desc.URI.find("/by-hash/") != std::string::npos)
- CompressionExtensions = "by-hash " + CompressionExtensions;
- else
- CompressionExtensions = CurrentCompressionExtension + ' ' + CompressionExtensions;
- Init(TargetURI, TargetDesc, Desc.ShortDesc);
- Status = StatIdle;
- return true;
- }
-
// authorisation matches will not be fixed by other compression types
if (Status != StatAuthError)
{
@@ -3202,7 +3200,7 @@ bool pkgAcqIndex::CommonFailed(std::string const &TargetURI, std::string const T
}
void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
{
- if (CommonFailed(Target.URI, Target.Description, Message, Cnf))
+ if (CommonFailed(Target.URI, Message, Cnf))
return;
if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD)
diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h
index 46d79df92..814596850 100644
--- a/apt-pkg/acquire-item.h
+++ b/apt-pkg/acquire-item.h
@@ -246,7 +246,9 @@ class pkgAcquire::Item : public WeakPointable /*{{{*/
APT_HIDDEN std::unordered_map<std::string, std::string> &ModifyCustomFields();
// this isn't the super nicest interface either…
APT_HIDDEN bool PopAlternativeURI(std::string &NewURI);
+ APT_HIDDEN bool IsGoodAlternativeURI(std::string const &AltUri) const;
APT_HIDDEN void PushAlternativeURI(std::string &&NewURI, std::unordered_map<std::string, std::string> &&fields, bool const at_the_back);
+ APT_HIDDEN void RemoveAlternativeSite(std::string &&OldSite);
/** \brief A "descriptive" URI-like string.
*
@@ -690,8 +692,8 @@ class APT_HIDDEN pkgAcqIndex : public pkgAcqBaseIndex
protected:
APT_HIDDEN void Init(std::string const &URI, std::string const &URIDesc,
std::string const &ShortDesc);
- APT_HIDDEN bool CommonFailed(std::string const &TargetURI, std::string const TargetDesc,
- std::string const &Message, pkgAcquire::MethodConfig const * const Cnf);
+ APT_HIDDEN bool CommonFailed(std::string const &TargetURI,
+ std::string const &Message, pkgAcquire::MethodConfig const *const Cnf);
};
/*}}}*/
struct APT_HIDDEN DiffInfo { /*{{{*/
@@ -850,10 +852,10 @@ class APT_HIDDEN pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex
* \param allPatches contains all related items so that each item can
* check if it was the last one to complete the download step
*/
- pkgAcqIndexMergeDiffs(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target, std::string const &indexUsedMirror,
+ pkgAcqIndexMergeDiffs(pkgAcquire *const Owner, pkgAcqMetaClearSig *const TransactionManager,
+ IndexTarget const &Target,
std::string const &indexURI, DiffInfo const &patch,
- std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches) APT_NONNULL(2, 3, 8);
+ std::vector<pkgAcqIndexMergeDiffs *> const *const allPatches) APT_NONNULL(2, 3, 7);
virtual ~pkgAcqIndexMergeDiffs();
};
/*}}}*/
@@ -957,10 +959,10 @@ class APT_HIDDEN pkgAcqIndexDiffs : public pkgAcqBaseIndex
* should be ordered so that each diff appears before any diff
* that depends on it.
*/
- pkgAcqIndexDiffs(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target,
- std::string const &indexUsedMirror, std::string const &indexURI,
- std::vector<DiffInfo> const &diffs=std::vector<DiffInfo>()) APT_NONNULL(2, 3);
+ pkgAcqIndexDiffs(pkgAcquire *const Owner, pkgAcqMetaClearSig *const TransactionManager,
+ IndexTarget const &Target,
+ std::string const &indexURI,
+ std::vector<DiffInfo> const &diffs = std::vector<DiffInfo>()) APT_NONNULL(2, 3);
virtual ~pkgAcqIndexDiffs();
};
/*}}}*/
diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index d159ef84f..c2bbf8bed 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -321,28 +321,35 @@ bool pkgAcquire::Worker::RunMessages()
Itm = nullptr;
for (auto const &Owner: ItmOwners)
{
+ for (auto alt = AltUris.crbegin(); alt != AltUris.crend(); ++alt)
+ Owner->PushAlternativeURI(std::string(*alt), {}, false);
+
pkgAcquire::ItemDesc &desc = Owner->GetItemDesc();
- if (Owner->IsRedirectionLoop(NewURI))
+ // for a simplified retry a method might redirect without URI change
+ // see also IsRedirectionLoop implementation
+ if (desc.URI != NewURI)
{
- std::string msg = Message;
- msg.append("\nFailReason: RedirectionLoop");
- Owner->Failed(msg, Config);
- if (Log != nullptr)
- Log->Fail(Owner->GetItemDesc());
- continue;
- }
+ auto newuri = NewURI;
+ if (Owner->IsGoodAlternativeURI(newuri) == false && Owner->PopAlternativeURI(newuri) == false)
+ newuri.clear();
+ if (newuri.empty() || Owner->IsRedirectionLoop(newuri))
+ {
+ std::string msg = Message;
+ msg.append("\nFailReason: RedirectionLoop");
+ Owner->Failed(msg, Config);
+ if (Log != nullptr)
+ Log->Fail(Owner->GetItemDesc());
+ continue;
+ }
- if (Log != nullptr)
- Log->Done(desc);
+ if (Log != nullptr)
+ Log->Done(desc);
- ChangeSiteIsMirrorChange(NewURI, desc, Owner);
- desc.URI = NewURI;
+ ChangeSiteIsMirrorChange(NewURI, desc, Owner);
+ desc.URI = NewURI;
+ }
if (isDoomedItem(Owner) == false)
- {
- for (auto alt = AltUris.crbegin(); alt != AltUris.crend(); ++alt)
- Owner->PushAlternativeURI(std::string(*alt), {}, false);
OwnerQ->Owner->Enqueue(desc);
- }
}
break;
}
@@ -608,28 +615,33 @@ void pkgAcquire::Worker::HandleFailure(std::vector<pkgAcquire::Item *> const &It
if (isDoomedItem(Owner) == false)
OwnerQ->Owner->Enqueue(SavedDesc);
}
- else if (Owner->PopAlternativeURI(NewURI))
- {
- Owner->FailMessage(Message);
- auto &desc = Owner->GetItemDesc();
- if (Log != nullptr)
- Log->Fail(desc);
- ChangeSiteIsMirrorChange(NewURI, desc, Owner);
- desc.URI = NewURI;
- if (isDoomedItem(Owner) == false)
- OwnerQ->Owner->Enqueue(desc);
- }
else
{
- if (errAuthErr && Owner->GetExpectedHashes().empty() == false)
- Owner->Status = pkgAcquire::Item::StatAuthError;
- else if (errTransient)
- Owner->Status = pkgAcquire::Item::StatTransientNetworkError;
- auto SavedDesc = Owner->GetItemDesc();
- if (isDoomedItem(Owner) == false)
- Owner->Failed(Message, Config);
- if (Log != nullptr)
- Log->Fail(SavedDesc);
+ if (errAuthErr)
+ Owner->RemoveAlternativeSite(URI::SiteOnly(Owner->GetItemDesc().URI));
+ if (Owner->PopAlternativeURI(NewURI))
+ {
+ Owner->FailMessage(Message);
+ auto &desc = Owner->GetItemDesc();
+ if (Log != nullptr)
+ Log->Fail(desc);
+ ChangeSiteIsMirrorChange(NewURI, desc, Owner);
+ desc.URI = NewURI;
+ if (isDoomedItem(Owner) == false)
+ OwnerQ->Owner->Enqueue(desc);
+ }
+ else
+ {
+ if (errAuthErr && Owner->GetExpectedHashes().empty() == false)
+ Owner->Status = pkgAcquire::Item::StatAuthError;
+ else if (errTransient)
+ Owner->Status = pkgAcquire::Item::StatTransientNetworkError;
+ auto SavedDesc = Owner->GetItemDesc();
+ if (isDoomedItem(Owner) == false)
+ Owner->Failed(Message, Config);
+ if (Log != nullptr)
+ Log->Fail(SavedDesc);
+ }
}
}
}