calculate hashes while downloading in https

We do this in HTTP already to give the CPU some exercise while the disk
is heavily spinning (or flashing?) to store the data avoiding the need
to reread the entire file again later on to calculate the hashes – which
happens outside of the eyes of progress reporting, so you might ended up
with a bunch of https workers 'stuck' at 100% while they were busy
calculating hashes.

This is a bummer for everyone using apt as a connection speedtest as the
https method works slower now (not really, it just isn't reporting done
too early anymore).

1 files changed, 4 insertions, 2 deletions

diff --git a/methods/https.h b/methods/https.h
index dc0ff3322..6e32e8d3d 100644
--- a/methods/https.h
+++ b/methods/https.h
@@ -29,6 +29,8 @@ class FileFd;
 
 class HttpsServerState : public ServerState
 {
+   Hashes * Hash;
+
    protected:
    virtual bool ReadHeaderLines(std::string &/*Data*/) { return false; }
    virtual bool LoadNextResponse(bool const /*ToFile*/, FileFd * const /*File*/) { return false; }
@@ -42,8 +44,8 @@ class HttpsServerState : public ServerState
    virtual bool Open() { return false; }
    virtual bool IsOpen() { return false; }
    virtual bool Close() { return false; }
-   virtual bool InitHashes(FileFd &/*File*/, HashStringList const &/*ExpectedHashes*/) { return false; }
-   virtual Hashes * GetHashes() { return NULL; }
+   virtual bool InitHashes(HashStringList const &ExpectedHashes);
+   virtual Hashes * GetHashes();
    virtual bool Die(FileFd &/*File*/) { return false; }
    virtual bool Flush(FileFd * const /*File*/) { return false; }
    virtual bool Go(bool /*ToFile*/, FileFd * const /*File*/) { return false; }