Implement exponential backoff for failed Me2Me authentication attempts

remoting/protocol/jingle_session.cc

 // Copyright (c) 2012 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 "remoting/protocol/jingle_session.h"
 
 #include "base/bind.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 453 matching lines @@
     case JingleMessage::SUCCESS:
       if (state_ == CONNECTING) {
         error_ = SESSION_REJECTED;
       } else {
         error_ = OK;
       }
       break;
     case JingleMessage::DECLINE:
       error_ = AUTHENTICATION_FAILED;
       break;
+    case JingleMessage::CANCEL:
+      error_ = HOST_IS_DISABLED;
+      break;
     case JingleMessage::GENERAL_ERROR:
       error_ = CHANNEL_CONNECTION_ERROR;
       break;
     case JingleMessage::INCOMPATIBLE_PARAMETERS:
       error_ = INCOMPATIBLE_PROTOCOL;
       break;
     default:
       error_ = UNKNOWN_ERROR;
   }
 
@@ skipping 55 matching lines @@
       case OK:
         reason = JingleMessage::SUCCESS;
         break;
       case SESSION_REJECTED:
       case AUTHENTICATION_FAILED:
         reason = JingleMessage::DECLINE;
         break;
       case INCOMPATIBLE_PROTOCOL:
         reason = JingleMessage::INCOMPATIBLE_PARAMETERS;
         break;
+      case HOST_IS_DISABLED:
+        reason = JingleMessage::CANCEL;
+        break;
       default:
         reason = JingleMessage::GENERAL_ERROR;
     }
 
     JingleMessage message(peer_jid_, JingleMessage::SESSION_TERMINATE,
                           session_id_);
     message.reason = reason;
     SendMessage(message);
   }
 
@@ skipping 16 matching lines @@
     DCHECK_NE(state_, FAILED);
 
     state_ = new_state;
     if (!state_change_callback_.is_null())
       state_change_callback_.Run(new_state);
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting