Deciding best connection to schedule requests on based on cwnd and idle time

net/socket/client_socket_pool_base.h

Index: net/socket/client_socket_pool_base.h
===================================================================
--- net/socket/client_socket_pool_base.h	(revision 88319)
+++ net/socket/client_socket_pool_base.h	(working copy)
@@ -167,6 +167,12 @@
     NO_IDLE_SOCKETS = 0x1,  // Do not return an idle socket. Create a new one.
   };
 
+  enum ClientSocketReusePolicy {
+    USE_WARMEST_SOCKET = 0,
+    USE_WARM_SOCKET = 1,
+    USE_LAST_ACCESSED_SOCKET = 2,
+  };
+
   class NET_TEST Request {
    public:
     Request(ClientSocketHandle* handle,
@@ -290,6 +296,10 @@
   static bool connect_backup_jobs_enabled();
   static bool set_connect_backup_jobs_enabled(bool enabled);
 
+  // Sets the client socket reuse policy (using warmest socket vs. last accessed
+  // socket).
+  static double SetSocketReusePolicy(int policy);

[Mike Belshe, 2011/06/12 22:10:35]

Instead of an int, you could use a ClientSocketReusePolicy.

[Gagan, 2011/06/13 03:52:47]

was doing that initially, but ran into problems in browser_main.cc where i had
to convert the command line value to enum. So used int instead.

Have added a comment saying that policy should be a valid enum.

+
   void EnableConnectBackupJobs();
 
   // ConnectJob::Delegate methods:
@@ -743,6 +753,8 @@
     const scoped_ptr<ConnectJobFactory> connect_job_factory_;
   };
 
+  void ApplySocketReuseGroup(int warmest_socket_trial_group,
+                             const int* socket_policy);
   // Histograms for the pool
   ClientSocketPoolHistograms* const histograms_;
   internal::ClientSocketPoolBaseHelper helper_;