mojo/services/network/network_context.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_
   6 #define MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_
   7
   8 #include <set>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/sequenced_task_runner.h"
  14
  15 namespace base {
  16 class FilePath;
  17 }
  18
  19 namespace net {
  20 class URLRequestContext;
  21 }
  22
  23 namespace mojo {
  24 class URLLoader;
  25 class URLLoaderImpl;
  26 class NetworkServiceDelegate;
  27
  28 class NetworkContext {
  29  public:
  30   explicit NetworkContext(
  31       scoped_ptr<net::URLRequestContext> url_request_context);
  32   NetworkContext(
  33       const base::FilePath& base_path,
  34       const scoped_refptr<base::SequencedTaskRunner>& background_task_runner,
  35       NetworkServiceDelegate* delegate);
  36   ~NetworkContext();
  37
  38   net::URLRequestContext* url_request_context() {
  39     return url_request_context_.get();
  40   }
  41
  42   // These are called by individual url loaders as they are being created and
  43   // destroyed.
  44   void RegisterURLLoader(URLLoaderImpl* url_loader);
  45   void DeregisterURLLoader(URLLoaderImpl* url_loader);
  46
  47  private:
  48   friend class UrlLoaderImplTest;
  49   size_t GetURLLoaderCountForTesting();
  50
  51   static scoped_ptr<net::URLRequestContext> MakeURLRequestContext(
  52       const base::FilePath& base_path,
  53       const scoped_refptr<base::SequencedTaskRunner>& background_task_runner,
  54       NetworkServiceDelegate* delegate);
  55
  56   class MojoNetLog;
  57   scoped_ptr<class MojoNetLog> net_log_;
  58
  59   scoped_ptr<net::URLRequestContext> url_request_context_;
  60   // URLLoaderImpls register themselves with the NetworkContext so that they can
  61   // be cleaned up when the NetworkContext goes away. This is needed as
  62   // net::URLRequests held by URLLoaderImpls have to be gone when
  63   // net::URLRequestContext (held by NetworkContext) is destroyed.
  64   std::set<URLLoaderImpl*> url_loaders_;
  65
  66   // Set when entering the destructor, in order to avoid manipulations of the
  67   // |url_loaders_| (as a url_loader might delete itself in Cleanup()).
  68   bool in_shutdown_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(NetworkContext);
  71 };
  72
  73 }  // namespace mojo
  74
  75 #endif  // MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_