Move shared files in net/quic/ into net/quic/core/

net/quic/quic_client_push_promise_index.h

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_QUIC_QUIC_CLIENT_PUSH_PROMISE_INDEX_H_
-#define NET_QUIC_QUIC_CLIENT_PUSH_PROMISE_INDEX_H_
-
-#include <string>
-
-#include "net/quic/quic_client_session_base.h"
-#include "net/quic/quic_types.h"
-
-namespace net {
-
-// QuicClientPushPromiseIndex is the interface to support rendezvous
-// between client requests and resources delivered via server push.
-// The same index can be shared across multiple sessions (e.g. for the
-// same browser users profile), since cross-origin pushes are allowed
-// (subject to authority constraints).
-
-class NET_EXPORT_PRIVATE QuicClientPushPromiseIndex {
- public:
-  // Delegate is used to complete the rendezvous that began with
-  // |Try()|.
-  class NET_EXPORT_PRIVATE Delegate {
-   public:
-    virtual ~Delegate() {}
-
-    // The primary lookup matched request with push promise by URL.  A
-    // secondary match is necessary to ensure Vary (RFC 2616, 14.14)
-    // is honored.  If Vary is not present, return true.  If Vary is
-    // present, return whether designated header fields of
-    // |promise_request| and |client_request| match.
-    virtual bool CheckVary(const SpdyHeaderBlock& client_request,
-                           const SpdyHeaderBlock& promise_request,
-                           const SpdyHeaderBlock& promise_response) = 0;
-
-    // On rendezvous success, provides the promised |stream|.  Callee
-    // does not inherit ownership of |stream|.  On rendezvous failure,
-    // |stream| is |nullptr| and the client should retry the request.
-    // Rendezvous can fail due to promise validation failure or RST on
-    // promised stream.  |url| will have been removed from the index
-    // before |OnRendezvousResult()| is invoked, so a recursive call to
-    // |Try()| will return |QUIC_FAILURE|, which may be convenient for
-    // retry purposes.
-    virtual void OnRendezvousResult(QuicSpdyStream* stream) = 0;
-  };
-
-  class NET_EXPORT_PRIVATE TryHandle {
-   public:
-    // Cancel the request.
-    virtual void Cancel() = 0;
-
-   protected:
-    TryHandle() {}
-    ~TryHandle();
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(TryHandle);
-  };
-
-  QuicClientPushPromiseIndex();
-  virtual ~QuicClientPushPromiseIndex();
-
-  // Called by client code, used to enforce affinity between requests
-  // for promised streams and the session the promise came from.
-  QuicClientPromisedInfo* GetPromised(const std::string& url);
-
-  // Called by client code, to initiate rendezvous between a request
-  // and a server push stream.  If |request|'s url is in the index,
-  // rendezvous will be attempted and may complete immediately or
-  // asynchronously.  If the matching promise and response headers
-  // have already arrived, the delegate's methods will fire
-  // recursively from within |Try()|.  Returns |QUIC_SUCCESS| if the
-  // rendezvous was a success. Returns |QUIC_FAILURE| if there was no
-  // matching promise, or if there was but the rendezvous has failed.
-  // Returns QUIC_PENDING if a matching promise was found, but the
-  // rendezvous needs to complete asynchronously because the promised
-  // response headers are not yet available.  If result is
-  // QUIC_PENDING, then |*handle| will set so that the caller may
-  // cancel the request if need be.  The caller does not inherit
-  // ownership of |*handle|, and it ceases to be valid if the caller
-  // invokes |handle->Cancel()| or if |delegate->OnReponse()| fires.
-  QuicAsyncStatus Try(const SpdyHeaderBlock& request,
-                      Delegate* delegate,
-                      TryHandle** handle);
-
-  QuicPromisedByUrlMap* promised_by_url() { return &promised_by_url_; }
-
- private:
-  QuicPromisedByUrlMap promised_by_url_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicClientPushPromiseIndex);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_CLIENT_PUSH_PROMISE_INDEX_H_