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-rw-r--r--apt-pkg/acquire-item.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h
index da1bea801..3649d7a03 100644
--- a/apt-pkg/acquire-item.h
+++ b/apt-pkg/acquire-item.h
@@ -82,6 +82,70 @@ class pkgAcquire::Item
virtual ~Item();
};
+// item for index diffs
+
+struct DiffInfo {
+ string file;
+ string sha1;
+ unsigned long size;
+};
+
+class pkgAcqDiffIndex : public pkgAcquire::Item
+{
+ protected:
+ bool Debug;
+ pkgAcquire::ItemDesc Desc;
+ string RealURI;
+ string ExpectedMD5;
+ string CurrentPackagesFile;
+ string Description;
+
+ public:
+ // Specialized action members
+ virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf);
+ virtual string DescURI() {return RealURI + "Index";};
+ virtual string Custom600Headers();
+
+ // helpers
+ bool ParseDiffIndex(string IndexDiffFile);
+
+ pkgAcqDiffIndex(pkgAcquire *Owner,string URI,string URIDesc,
+ string ShortDesct, string ExpectedMD5);
+};
+
+class pkgAcqIndexDiffs : public pkgAcquire::Item
+{
+ protected:
+ bool Debug;
+ pkgAcquire::ItemDesc Desc;
+ string RealURI;
+ string ExpectedMD5;
+
+ // this is the SHA-1 sum we expect after the patching
+ string Description;
+ vector<DiffInfo> available_patches;
+ enum {StateFetchIndex,StateFetchDiff,StateUnzipDiff,StateApplyDiff} State;
+
+ public:
+
+ // Specialized action members
+ virtual void Failed(string Message,pkgAcquire::MethodConfig *Cnf);
+ virtual void Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf);
+ virtual string DescURI() {return RealURI + "Index";};
+
+ // various helpers
+ bool QueueNextDiff();
+ bool ApplyDiff(string PatchFile);
+ void Finish(bool allDone=false);
+
+ pkgAcqIndexDiffs(pkgAcquire *Owner,string URI,string URIDesc,
+ string ShortDesct, string ExpectedMD5,
+ vector<DiffInfo> diffs=vector<DiffInfo>());
+};
+
// Item class for index files
class pkgAcqIndex : public pkgAcquire::Item
{