// Copyright (c) 2010 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_HTTP_HTTP_STREAM_FACTORY_H_
#define NET_HTTP_HTTP_STREAM_FACTORY_H_

#include <set>
#include <string>


#include "base/scoped_ptr.h"
#include "net/base/completion_callback.h"
#include "net/base/host_mapping_rules.h"
#include "net/base/ssl_config_service.h"
#include "net/http/http_auth.h"
#include "net/http/http_auth_controller.h"
#include "net/http/stream_factory.h"
#include "net/proxy/proxy_service.h"
#include "net/socket/client_socket_handle.h"


namespace net {

class ClientSocketHandle;
class HttpAuthController;
class HttpNetworkSession;
class HttpStreamRequest;

class HttpStreamFactory : public StreamFactory,
                          public base::RefCounted<HttpStreamFactory> {
 public:
  HttpStreamFactory();
  virtual ~HttpStreamFactory();

  // StreamFactory Interface
  virtual void RequestStream(const HttpRequestInfo* info,
                             SSLConfig* ssl_config,
                             ProxyInfo* proxy_info,
                             StreamRequestDelegate* delegate,
                             const BoundNetLog& net_log,
                             const scoped_refptr<HttpNetworkSession>& session,
                             scoped_refptr<StreamRequestJob>* stream);

  // TLS Intolerant Server API
  void AddTLSIntolerantServer(const GURL& url);
  bool IsTLSIntolerantServer(const GURL& url);

  // Alternate Protocol API
  void ProcessAlternateProtocol(HttpAlternateProtocols* alternate_protocols,
                                const std::string& alternate_protocol_str,
                                const HostPortPair& http_host_port_pair);

  // Host Mapping Rules API
  GURL ApplyHostMappingRules(const GURL& url, HostPortPair* endpoint);

  // Static settings

  // Controls whether or not we use the Alternate-Protocol header.
  static void set_use_alternate_protocols(bool value) {
    use_alternate_protocols_ = value;
  }
  static bool use_alternate_protocols() { return use_alternate_protocols_; }

  // Controls whether or not we use ssl when in spdy mode.
  static void set_force_spdy_over_ssl(bool value) {
    force_spdy_over_ssl_ = value;
  }
  static bool force_spdy_over_ssl() {
    return force_spdy_over_ssl_;
  }

  // Controls whether or not we use spdy without npn.
  static void set_force_spdy_always(bool value) {
    force_spdy_always_ = value;
  }
  static bool force_spdy_always() { return force_spdy_always_; }

  // Sets the next protocol negotiation value used during the SSL handshake.
  static void set_next_protos(const std::string& value) {
    delete next_protos_;
    next_protos_ = new std::string(value);
  }
  static const std::string* next_protos() { return next_protos_; }

  // Sets the HttpStreamFactory into a mode where it can ignore certificate
  // errors.  This is for testing.
  static void set_ignore_certificate_errors(bool value) {
    ignore_certificate_errors_ = value;
  }
  static bool ignore_certificate_errors() {
    return ignore_certificate_errors_;
  }

  static void SetHostMappingRules(const std::string& rules);

 private:
  std::set<std::string> tls_intolerant_servers_;

  static const HostMappingRules* host_mapping_rules_;
  static const std::string* next_protos_;
  static bool use_alternate_protocols_;
  static bool force_spdy_over_ssl_;
  static bool force_spdy_always_;
  static bool ignore_certificate_errors_;

  DISALLOW_COPY_AND_ASSIGN(HttpStreamFactory);
};

}  // namespace net

#endif  // NET_HTTP_HTTP_STREAM_FACTORY_H_