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

net/socket/ssl_client_socket_mac.cc

 // 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.
 
 #include "net/socket/ssl_client_socket_mac.h"
 
 #include <CoreServices/CoreServices.h>
 #include <netdb.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ skipping 640 matching lines @@
 }
 
 bool SSLClientSocketMac::UsingTCPFastOpen() const {
   if (transport_.get() && transport_->socket()) {
     return transport_->socket()->UsingTCPFastOpen();
   }
   NOTREACHED();
   return false;
 }
 
+int64 SSLClientSocketMac::NumBytesRead() const {
+  if (transport_.get() && transport_->socket()) {
+    return transport_->socket()->NumBytesRead();
+  }
+  NOTREACHED();
+  return -1;
+}
+
+int SSLClientSocketMac::GetConnectTimeMicros() const {
+  if (transport_.get() && transport_->socket()) {
+    return transport_->socket()->GetConnectTimeMicros();
+  }
+  NOTREACHED();
+  return -1;
+}
+
 int SSLClientSocketMac::Read(IOBuffer* buf, int buf_len,
                              CompletionCallback* callback) {
   DCHECK(completed_handshake());
   DCHECK(!user_read_callback_);
   DCHECK(!user_read_buf_);
 
   user_read_buf_ = buf;
   user_read_buf_len_ = buf_len;
 
   int rv = DoPayloadRead();
@@ skipping 722 matching lines @@
   if (rv < 0 && rv != ERR_IO_PENDING) {
     us->write_io_buf_ = NULL;
     return OSStatusFromNetError(rv);
   }
 
   // always lie to our caller
   return noErr;
 }
 
 }  // namespace net