Close idle connections / SPDY sessions when needed.

net/socket/ssl_client_socket_pool.h

 // Copyright (c) 2011 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_SOCKET_SSL_CLIENT_SOCKET_POOL_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_POOL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 150 matching lines @@
   // The time the DoSSLConnect() method was called.
   base::TimeTicks ssl_connect_start_time_;
 
   HttpResponseInfo error_response_info_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLConnectJob);
 };
 
 class NET_EXPORT_PRIVATE SSLClientSocketPool
     : public ClientSocketPool,
+      public LayeredPool,
       public SSLConfigService::Observer {
  public:
   // Only the pools that will be used are required. i.e. if you never
   // try to create an SSL over SOCKS socket, |socks_pool| may be NULL.
   SSLClientSocketPool(
       int max_sockets,
       int max_sockets_per_group,
       ClientSocketPoolHistograms* histograms,
       HostResolver* host_resolver,
       CertVerifier* cert_verifier,
       OriginBoundCertService* origin_bound_cert_service,
       DnsRRResolver* dnsrr_resolver,
       DnsCertProvenanceChecker* dns_cert_checker,
       SSLHostInfoFactory* ssl_host_info_factory,
       ClientSocketFactory* client_socket_factory,
       TransportClientSocketPool* transport_pool,
       SOCKSClientSocketPool* socks_pool,
       HttpProxyClientSocketPool* http_proxy_pool,
       SSLConfigService* ssl_config_service,
       NetLog* net_log);
 
   virtual ~SSLClientSocketPool();
 
   // ClientSocketPool methods:
   virtual int RequestSocket(const std::string& group_name,
                             const void* connect_params,
                             RequestPriority priority,
                             ClientSocketHandle* handle,
                             OldCompletionCallback* callback,
-                            const BoundNetLog& net_log);
+                            const BoundNetLog& net_log) OVERRIDE;
 
   virtual void RequestSockets(const std::string& group_name,
                               const void* params,
                               int num_sockets,
-                              const BoundNetLog& net_log);
+                              const BoundNetLog& net_log) OVERRIDE;
 
   virtual void CancelRequest(const std::string& group_name,
-                             ClientSocketHandle* handle);
+                             ClientSocketHandle* handle) OVERRIDE;
 
   virtual void ReleaseSocket(const std::string& group_name,
                              StreamSocket* socket,
-                             int id);
+                             int id) OVERRIDE;
 
-  virtual void Flush();
+  virtual void Flush() OVERRIDE;
 
-  virtual void CloseIdleSockets();
+  virtual bool IsStalled() const OVERRIDE;
 
-  virtual int IdleSocketCount() const;
+  virtual void CloseIdleSockets() OVERRIDE;
 
-  virtual int IdleSocketCountInGroup(const std::string& group_name) const;
+  virtual int IdleSocketCount() const OVERRIDE;
 
-  virtual LoadState GetLoadState(const std::string& group_name,
-                                 const ClientSocketHandle* handle) const;
+  virtual int IdleSocketCountInGroup(
+      const std::string& group_name) const OVERRIDE;
+
+  virtual LoadState GetLoadState(
+      const std::string& group_name,
+      const ClientSocketHandle* handle) const OVERRIDE;
+
+  virtual void AddLayeredPool(LayeredPool* layered_pool) OVERRIDE;
+
+  virtual void RemoveLayeredPool(LayeredPool* layered_pool) OVERRIDE;
 
   virtual base::DictionaryValue* GetInfoAsValue(
       const std::string& name,
       const std::string& type,
-      bool include_nested_pools) const;
+      bool include_nested_pools) const OVERRIDE;
 
-  virtual base::TimeDelta ConnectionTimeout() const;
+  virtual base::TimeDelta ConnectionTimeout() const OVERRIDE;
 
-  virtual ClientSocketPoolHistograms* histograms() const;
+  virtual ClientSocketPoolHistograms* histograms() const OVERRIDE;
+
+  // LayeredPool methods:
+  virtual bool CloseOneIdleConnection() OVERRIDE;
 
  private:
   typedef ClientSocketPoolBase<SSLSocketParams> PoolBase;
 
   // SSLConfigService::Observer methods:
 
   // When the user changes the SSL config, we flush all idle sockets so they
   // won't get re-used.
   virtual void OnSSLConfigChanged();
 
@@ skipping 38 matching lines @@
   const scoped_refptr<SSLConfigService> ssl_config_service_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLClientSocketPool);
 };
 
 REGISTER_SOCKET_PARAMS_FOR_POOL(SSLClientSocketPool, SSLSocketParams);
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_POOL_H_