blob: b8190779d6977f168856421dad90f37ae8f156a4 [file] [log] [blame]
// Copyright (c) 2012 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.
#include <map>
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/containers/mru_cache.h"
#include "base/gtest_prod_util.h"
#include "base/hash_tables.h"
#include "base/threading/non_thread_safe.h"
#include "base/values.h"
#include "net/base/host_port_pair.h"
#include "net/base/net_export.h"
#include "net/http/http_pipelined_host_capability.h"
#include "net/http/http_server_properties.h"
namespace base {
class ListValue;
namespace net {
// The implementation for setting/retrieving the HTTP server properties.
class NET_EXPORT HttpServerPropertiesImpl
: public HttpServerProperties,
NON_EXPORTED_BASE(public base::NonThreadSafe) {
virtual ~HttpServerPropertiesImpl();
// Initializes |spdy_servers_table_| with the servers (host/port) from
// |spdy_servers| that either support SPDY or not.
void InitializeSpdyServers(std::vector<std::string>* spdy_servers,
bool support_spdy);
void InitializeAlternateProtocolServers(
AlternateProtocolMap* alternate_protocol_servers);
void InitializeSpdySettingsServers(SpdySettingsMap* spdy_settings_map);
// Initializes |pipeline_capability_map_| with the servers (host/port) from
// |pipeline_capability_map| that either support HTTP pipelining or not.
void InitializePipelineCapabilities(
const PipelineCapabilityMap* pipeline_capability_map);
// Get the list of servers (host/port) that support SPDY.
void GetSpdyServerList(base::ListValue* spdy_server_list) const;
// Returns flattened string representation of the |host_port_pair|. Used by
// unittests.
static std::string GetFlattenedSpdyServer(
const net::HostPortPair& host_port_pair);
// Debugging to simulate presence of an AlternateProtocol.
// If we don't have an alternate protocol in the map for any given host/port
// pair, force this ProtocolPortPair.
static void ForceAlternateProtocol(const PortAlternateProtocolPair& pair);
static void DisableForcedAlternateProtocol();
// Changes the number of host/port pairs we remember pipelining capability
// for. A larger number means we're more likely to be able to pipeline
// immediately if a host is known good, but uses more memory. This function
// can only be called if |pipeline_capability_map_| is empty.
void SetNumPipelinedHostsToRemember(int max_size);
// -----------------------------
// HttpServerProperties methods:
// -----------------------------
// Deletes all data.
virtual void Clear() override;
// Returns true if |server| supports SPDY.
virtual bool SupportsSpdy(const HostPortPair& server) const override;
// Add |server| into the persistent store.
virtual void SetSupportsSpdy(const HostPortPair& server,
bool support_spdy) override;
// Returns true if |server| has an Alternate-Protocol header.
virtual bool HasAlternateProtocol(const HostPortPair& server) const override;
// Returns the Alternate-Protocol and port for |server|.
// HasAlternateProtocol(server) must be true.
virtual PortAlternateProtocolPair GetAlternateProtocol(
const HostPortPair& server) const override;
// Sets the Alternate-Protocol for |server|.
virtual void SetAlternateProtocol(
const HostPortPair& server,
uint16 alternate_port,
AlternateProtocol alternate_protocol) override;
// Sets the Alternate-Protocol for |server| to be BROKEN.
virtual void SetBrokenAlternateProtocol(const HostPortPair& server) override;
// Returns all Alternate-Protocol mappings.
virtual const AlternateProtocolMap& alternate_protocol_map() const override;
// Gets a reference to the SettingsMap stored for a host.
// If no settings are stored, returns an empty SettingsMap.
virtual const SettingsMap& GetSpdySettings(
const HostPortPair& host_port_pair) const override;
// Saves an individual SPDY setting for a host. Returns true if SPDY setting
// is to be persisted.
virtual bool SetSpdySetting(const HostPortPair& host_port_pair,
SpdySettingsIds id,
SpdySettingsFlags flags,
uint32 value) override;
// Clears all entries in |spdy_settings_map_|.
virtual void ClearSpdySettings() override;
// Returns all persistent SPDY settings.
virtual const SpdySettingsMap& spdy_settings_map() const override;
virtual HttpPipelinedHostCapability GetPipelineCapability(
const HostPortPair& origin) override;
virtual void SetPipelineCapability(
const HostPortPair& origin,
HttpPipelinedHostCapability capability) override;
virtual void ClearPipelineCapabilities() override;
virtual PipelineCapabilityMap GetPipelineCapabilityMap() const override;
typedef base::MRUCache<
HostPortPair, HttpPipelinedHostCapability> CachedPipelineCapabilityMap;
// |spdy_servers_table_| has flattened representation of servers (host/port
// pair) that either support or not support SPDY protocol.
typedef base::hash_map<std::string, bool> SpdyServerHostPortTable;
SpdyServerHostPortTable spdy_servers_table_;
AlternateProtocolMap alternate_protocol_map_;
SpdySettingsMap spdy_settings_map_;
scoped_ptr<CachedPipelineCapabilityMap> pipeline_capability_map_;
} // namespace net