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- // Copyright (c) 2013 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_SPDY_SPDY_SESSION_KEY_H_
- #define NET_SPDY_SPDY_SESSION_KEY_H_
- #include "net/base/net_export.h"
- #include "net/base/network_isolation_key.h"
- #include "net/base/privacy_mode.h"
- #include "net/base/proxy_server.h"
- #include "net/dns/public/secure_dns_policy.h"
- #include "net/socket/socket_tag.h"
- namespace net {
- // SpdySessionKey is used as unique index for SpdySessionPool.
- class NET_EXPORT_PRIVATE SpdySessionKey {
- public:
- enum class IsProxySession {
- kFalse,
- // This means this is a ProxyServer::Direct() session for an HTTP2 proxy,
- // with |host_port_pair| being the proxy host and port. This should not be
- // confused with a tunnel over an HTTP2 proxy session, for which
- // |proxy_server| will be information about the proxy being used, and
- // |host_port_pair| will be information not about the proxy, but the host
- // that we're proxying the connection to.
- kTrue,
- };
- SpdySessionKey();
- SpdySessionKey(const HostPortPair& host_port_pair,
- const ProxyServer& proxy_server,
- PrivacyMode privacy_mode,
- IsProxySession is_proxy_session,
- const SocketTag& socket_tag,
- const NetworkIsolationKey& network_isolation_key,
- SecureDnsPolicy secure_dns_policy);
- SpdySessionKey(const SpdySessionKey& other);
- ~SpdySessionKey();
- // Comparator function so this can be placed in a std::map.
- bool operator<(const SpdySessionKey& other) const;
- // Equality tests of contents.
- bool operator==(const SpdySessionKey& other) const;
- bool operator!=(const SpdySessionKey& other) const;
- // Struct returned by CompareForAliasing().
- struct CompareForAliasingResult {
- // True if the two SpdySessionKeys match, except possibly for their
- // |host_port_pair| and |socket_tag|.
- bool is_potentially_aliasable = false;
- // True if the |socket_tag| fields match. If this is false, it's up to the
- // caller to change the tag of the session (if possible) or to not alias the
- // session, even if |is_potentially_aliasable| is true.
- bool is_socket_tag_match = false;
- };
- // Checks if requests using SpdySessionKey can potentially be used to service
- // requests using another. The caller *MUST* also make sure that the session
- // associated with one key has been verified for use with the other.
- //
- // Note that this method is symmetric, so it doesn't matter which key's method
- // is called on the other.
- CompareForAliasingResult CompareForAliasing(
- const SpdySessionKey& other) const;
- const HostPortProxyPair& host_port_proxy_pair() const {
- return host_port_proxy_pair_;
- }
- const HostPortPair& host_port_pair() const {
- return host_port_proxy_pair_.first;
- }
- const ProxyServer& proxy_server() const {
- return host_port_proxy_pair_.second;
- }
- PrivacyMode privacy_mode() const {
- return privacy_mode_;
- }
- IsProxySession is_proxy_session() const { return is_proxy_session_; }
- const SocketTag& socket_tag() const { return socket_tag_; }
- const NetworkIsolationKey& network_isolation_key() const {
- return network_isolation_key_;
- }
- SecureDnsPolicy secure_dns_policy() const { return secure_dns_policy_; }
- private:
- HostPortProxyPair host_port_proxy_pair_;
- // If enabled, then session cannot be tracked by the server.
- PrivacyMode privacy_mode_ = PRIVACY_MODE_DISABLED;
- IsProxySession is_proxy_session_;
- SocketTag socket_tag_;
- // Used to separate requests made in different contexts.
- NetworkIsolationKey network_isolation_key_;
- SecureDnsPolicy secure_dns_policy_;
- };
- } // namespace net
- #endif // NET_SPDY_SPDY_SESSION_KEY_H_
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