methods: http: Drain pending data before selecting

GnuTLS can already have data pending in its buffers, we need
to to drain that first otherwise select() might block
indefinitely.

Gbp-Dch: ignore

1 files changed, 2 insertions, 0 deletions

diff --git a/methods/connect.h b/methods/connect.h
index 39f3c1ce2..4456d660d 100644
--- a/methods/connect.h
+++ b/methods/connect.h
@@ -35,6 +35,8 @@ struct MethodFd
    virtual ~MethodFd(){};
    /// \brief Construct a MethodFd from a UNIX file descriptor
    static std::unique_ptr<MethodFd> FromFd(int iFd);
+   /// \brief If there is pending data.
+   virtual bool HasPending();
 };
 
 bool Connect(std::string To, int Port, const char *Service, int DefPort,