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| 1 // Copyright (c) 2012 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 NET_HTTP_HTTP_SERVER_PROPERTIES_H_ | |
| 6 #define NET_HTTP_HTTP_SERVER_PROPERTIES_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/containers/mru_cache.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "base/time/time.h" | |
| 14 #include "net/base/host_port_pair.h" | |
| 15 #include "net/base/net_export.h" | |
| 16 #include "net/base/net_util.h" | |
| 17 #include "net/quic/quic_bandwidth.h" | |
| 18 #include "net/socket/next_proto.h" | |
| 19 #include "net/spdy/spdy_framer.h" // TODO(willchan): Reconsider this. | |
| 20 #include "net/spdy/spdy_protocol.h" | |
| 21 | |
| 22 namespace net { | |
| 23 | |
| 24 struct SSLConfig; | |
| 25 | |
| 26 enum AlternateProtocolUsage { | |
| 27 // Alternate Protocol was used without racing a normal connection. | |
| 28 ALTERNATE_PROTOCOL_USAGE_NO_RACE = 0, | |
| 29 // Alternate Protocol was used by winning a race with a normal connection. | |
| 30 ALTERNATE_PROTOCOL_USAGE_WON_RACE = 1, | |
| 31 // Alternate Protocol was not used by losing a race with a normal connection. | |
| 32 ALTERNATE_PROTOCOL_USAGE_LOST_RACE = 2, | |
| 33 // Alternate Protocol was not used because no Alternate-Protocol information | |
| 34 // was available when the request was issued, but an Alternate-Protocol header | |
| 35 // was present in the response. | |
| 36 ALTERNATE_PROTOCOL_USAGE_MAPPING_MISSING = 3, | |
| 37 // Alternate Protocol was not used because it was marked broken. | |
| 38 ALTERNATE_PROTOCOL_USAGE_BROKEN = 4, | |
| 39 // Maximum value for the enum. | |
| 40 ALTERNATE_PROTOCOL_USAGE_MAX, | |
| 41 }; | |
| 42 | |
| 43 // Log a histogram to reflect |usage|. | |
| 44 NET_EXPORT void HistogramAlternateProtocolUsage(AlternateProtocolUsage usage); | |
| 45 | |
| 46 enum BrokenAlternateProtocolLocation { | |
| 47 BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB = 0, | |
| 48 BROKEN_ALTERNATE_PROTOCOL_LOCATION_QUIC_STREAM_FACTORY = 1, | |
| 49 BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_ALT = 2, | |
| 50 BROKEN_ALTERNATE_PROTOCOL_LOCATION_HTTP_STREAM_FACTORY_IMPL_JOB_MAIN = 3, | |
| 51 BROKEN_ALTERNATE_PROTOCOL_LOCATION_MAX, | |
| 52 }; | |
| 53 | |
| 54 // Log a histogram to reflect |location|. | |
| 55 NET_EXPORT void HistogramBrokenAlternateProtocolLocation( | |
| 56 BrokenAlternateProtocolLocation location); | |
| 57 | |
| 58 enum AlternateProtocol { | |
| 59 DEPRECATED_NPN_SPDY_2 = 0, | |
| 60 ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION = DEPRECATED_NPN_SPDY_2, | |
| 61 NPN_SPDY_MINIMUM_VERSION = DEPRECATED_NPN_SPDY_2, | |
| 62 NPN_SPDY_3, | |
| 63 NPN_SPDY_3_1, | |
| 64 NPN_SPDY_4_14, // HTTP/2 draft-14 | |
| 65 NPN_SPDY_4_15, // HTTP/2 draft-15 | |
| 66 NPN_SPDY_MAXIMUM_VERSION = NPN_SPDY_4_15, | |
| 67 QUIC, | |
| 68 ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION = QUIC, | |
| 69 UNINITIALIZED_ALTERNATE_PROTOCOL, | |
| 70 }; | |
| 71 | |
| 72 // Simply returns whether |protocol| is between | |
| 73 // ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION and | |
| 74 // ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION (inclusive). | |
| 75 NET_EXPORT bool IsAlternateProtocolValid(AlternateProtocol protocol); | |
| 76 | |
| 77 enum AlternateProtocolSize { | |
| 78 NUM_VALID_ALTERNATE_PROTOCOLS = | |
| 79 ALTERNATE_PROTOCOL_MAXIMUM_VALID_VERSION - | |
| 80 ALTERNATE_PROTOCOL_MINIMUM_VALID_VERSION + 1, | |
| 81 }; | |
| 82 | |
| 83 NET_EXPORT const char* AlternateProtocolToString(AlternateProtocol protocol); | |
| 84 NET_EXPORT AlternateProtocol AlternateProtocolFromString( | |
| 85 const std::string& str); | |
| 86 NET_EXPORT_PRIVATE AlternateProtocol AlternateProtocolFromNextProto( | |
| 87 NextProto next_proto); | |
| 88 | |
| 89 struct NET_EXPORT AlternateProtocolInfo { | |
| 90 AlternateProtocolInfo() | |
| 91 : port(0), | |
| 92 protocol(UNINITIALIZED_ALTERNATE_PROTOCOL), | |
| 93 probability(0), | |
| 94 is_broken(false) {} | |
| 95 | |
| 96 AlternateProtocolInfo(uint16 port, | |
| 97 AlternateProtocol protocol, | |
| 98 double probability) | |
| 99 : port(port), | |
| 100 protocol(protocol), | |
| 101 probability(probability), | |
| 102 is_broken(false) {} | |
| 103 | |
| 104 AlternateProtocolInfo(uint16 port, | |
| 105 AlternateProtocol protocol, | |
| 106 double probability, | |
| 107 bool is_broken) | |
| 108 : port(port), | |
| 109 protocol(protocol), | |
| 110 probability(probability), | |
| 111 is_broken(is_broken) {} | |
| 112 | |
| 113 bool Equals(const AlternateProtocolInfo& other) const { | |
| 114 return port == other.port && | |
| 115 protocol == other.protocol && | |
| 116 probability == other.probability; | |
| 117 } | |
| 118 | |
| 119 std::string ToString() const; | |
| 120 | |
| 121 uint16 port; | |
| 122 AlternateProtocol protocol; | |
| 123 double probability; | |
| 124 bool is_broken; | |
| 125 }; | |
| 126 | |
| 127 struct NET_EXPORT SupportsQuic { | |
| 128 SupportsQuic() : used_quic(false) {} | |
| 129 SupportsQuic(bool used_quic, const std::string& address) | |
| 130 : used_quic(used_quic), | |
| 131 address(address) {} | |
| 132 | |
| 133 bool Equals(const SupportsQuic& other) const { | |
| 134 return used_quic == other.used_quic && address == other.address; | |
| 135 } | |
| 136 | |
| 137 bool used_quic; | |
| 138 std::string address; | |
| 139 }; | |
| 140 | |
| 141 struct NET_EXPORT ServerNetworkStats { | |
| 142 ServerNetworkStats() : bandwidth_estimate(QuicBandwidth::Zero()) {} | |
| 143 | |
| 144 base::TimeDelta srtt; | |
| 145 QuicBandwidth bandwidth_estimate; | |
| 146 }; | |
| 147 | |
| 148 typedef base::MRUCache< | |
| 149 HostPortPair, AlternateProtocolInfo> AlternateProtocolMap; | |
| 150 typedef base::MRUCache<HostPortPair, SettingsMap> SpdySettingsMap; | |
| 151 typedef base::MRUCache<HostPortPair, ServerNetworkStats> ServerNetworkStatsMap; | |
| 152 | |
| 153 extern const char kAlternateProtocolHeader[]; | |
| 154 | |
| 155 // The interface for setting/retrieving the HTTP server properties. | |
| 156 // Currently, this class manages servers': | |
| 157 // * SPDY support (based on NPN results) | |
| 158 // * Alternate-Protocol support | |
| 159 // * Spdy Settings (like CWND ID field) | |
| 160 class NET_EXPORT HttpServerProperties { | |
| 161 public: | |
| 162 HttpServerProperties() {} | |
| 163 virtual ~HttpServerProperties() {} | |
| 164 | |
| 165 // Gets a weak pointer for this object. | |
| 166 virtual base::WeakPtr<HttpServerProperties> GetWeakPtr() = 0; | |
| 167 | |
| 168 // Deletes all data. | |
| 169 virtual void Clear() = 0; | |
| 170 | |
| 171 // Returns true if |server| supports a network protocol which honors | |
| 172 // request prioritization. | |
| 173 virtual bool SupportsRequestPriority(const HostPortPair& server) = 0; | |
| 174 | |
| 175 // Add |server| into the persistent store. Should only be called from IO | |
| 176 // thread. | |
| 177 virtual void SetSupportsSpdy(const HostPortPair& server, | |
| 178 bool support_spdy) = 0; | |
| 179 | |
| 180 // Returns true if |server| has required HTTP/1.1 via HTTP/2 error code. | |
| 181 virtual bool RequiresHTTP11(const HostPortPair& server) = 0; | |
| 182 | |
| 183 // Require HTTP/1.1 on subsequent connections. Not persisted. | |
| 184 virtual void SetHTTP11Required(const HostPortPair& server) = 0; | |
| 185 | |
| 186 // Modify SSLConfig to force HTTP/1.1. | |
| 187 static void ForceHTTP11(SSLConfig* ssl_config); | |
| 188 | |
| 189 // Modify SSLConfig to force HTTP/1.1 if necessary. | |
| 190 virtual void MaybeForceHTTP11(const HostPortPair& server, | |
| 191 SSLConfig* ssl_config) = 0; | |
| 192 | |
| 193 // Returns the AlternateProtocol for |server| if it has probability equal to | |
| 194 // or exceeding threshold, or else the forced AlternateProtocol if there is | |
| 195 // one, or else one with UNINITIALIZED_ALTERNATE_PROTOCOL. | |
| 196 virtual AlternateProtocolInfo GetAlternateProtocol( | |
| 197 const HostPortPair& server) = 0; | |
| 198 | |
| 199 // Sets the Alternate-Protocol for |server|. | |
| 200 virtual void SetAlternateProtocol(const HostPortPair& server, | |
| 201 uint16 alternate_port, | |
| 202 AlternateProtocol alternate_protocol, | |
| 203 double probability) = 0; | |
| 204 | |
| 205 // Sets the Alternate-Protocol for |server| to be BROKEN. | |
| 206 virtual void SetBrokenAlternateProtocol(const HostPortPair& server) = 0; | |
| 207 | |
| 208 // Returns true if Alternate-Protocol for |server| was recently BROKEN. | |
| 209 virtual bool WasAlternateProtocolRecentlyBroken( | |
| 210 const HostPortPair& server) = 0; | |
| 211 | |
| 212 // Confirms that Alternate-Protocol for |server| is working. | |
| 213 virtual void ConfirmAlternateProtocol(const HostPortPair& server) = 0; | |
| 214 | |
| 215 // Clears the Alternate-Protocol for |server|. | |
| 216 virtual void ClearAlternateProtocol(const HostPortPair& server) = 0; | |
| 217 | |
| 218 // Returns all Alternate-Protocol mappings. | |
| 219 virtual const AlternateProtocolMap& alternate_protocol_map() const = 0; | |
| 220 | |
| 221 // Sets the threshold to be used when evaluating Alternate-Protocol | |
| 222 // advertisments. Only advertisements with a with a probability | |
| 223 // greater than |threshold| will be honored. |threshold| must be | |
| 224 // between 0 and 1 inclusive. Hence, a threshold of 0 implies that | |
| 225 // all advertisements will be honored. | |
| 226 virtual void SetAlternateProtocolProbabilityThreshold( | |
| 227 double threshold) = 0; | |
| 228 | |
| 229 // Gets a reference to the SettingsMap stored for a host. | |
| 230 // If no settings are stored, returns an empty SettingsMap. | |
| 231 virtual const SettingsMap& GetSpdySettings( | |
| 232 const HostPortPair& host_port_pair) = 0; | |
| 233 | |
| 234 // Saves an individual SPDY setting for a host. Returns true if SPDY setting | |
| 235 // is to be persisted. | |
| 236 virtual bool SetSpdySetting(const HostPortPair& host_port_pair, | |
| 237 SpdySettingsIds id, | |
| 238 SpdySettingsFlags flags, | |
| 239 uint32 value) = 0; | |
| 240 | |
| 241 // Clears all SPDY settings for a host. | |
| 242 virtual void ClearSpdySettings(const HostPortPair& host_port_pair) = 0; | |
| 243 | |
| 244 // Clears all SPDY settings for all hosts. | |
| 245 virtual void ClearAllSpdySettings() = 0; | |
| 246 | |
| 247 // Returns all persistent SPDY settings. | |
| 248 virtual const SpdySettingsMap& spdy_settings_map() const = 0; | |
| 249 | |
| 250 virtual bool GetSupportsQuic(IPAddressNumber* last_address) const = 0; | |
| 251 | |
| 252 virtual void SetSupportsQuic(bool used_quic, | |
| 253 const IPAddressNumber& last_address) = 0; | |
| 254 | |
| 255 virtual void SetServerNetworkStats(const HostPortPair& host_port_pair, | |
| 256 ServerNetworkStats stats) = 0; | |
| 257 | |
| 258 virtual const ServerNetworkStats* GetServerNetworkStats( | |
| 259 const HostPortPair& host_port_pair) = 0; | |
| 260 | |
| 261 virtual const ServerNetworkStatsMap& server_network_stats_map() const = 0; | |
| 262 | |
| 263 private: | |
| 264 DISALLOW_COPY_AND_ASSIGN(HttpServerProperties); | |
| 265 }; | |
| 266 | |
| 267 } // namespace net | |
| 268 | |
| 269 #endif // NET_HTTP_HTTP_SERVER_PROPERTIES_H_ | |
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Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master