Darin Petkov | a9b1fed | 2012-02-29 11:49:05 +0100 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef SHILL_RPC_TASK_ |
| 6 | #define SHILL_RPC_TASK_ |
| 7 | |
| 8 | #include <map> |
| 9 | #include <string> |
| 10 | |
| 11 | #include <base/basictypes.h> |
| 12 | #include <base/memory/scoped_ptr.h> |
| 13 | |
| 14 | namespace shill { |
| 15 | |
| 16 | class ControlInterface; |
| 17 | class RPCTaskAdaptorInterface; |
| 18 | |
| 19 | class RPCTaskDelegate { |
| 20 | public: |
| 21 | virtual ~RPCTaskDelegate() {} |
| 22 | |
| 23 | virtual void Notify(const std::string &reason, |
| 24 | const std::map<std::string, std::string> &dict) = 0; |
| 25 | }; |
| 26 | |
| 27 | // RPC tasks are currently used by VPN drivers for communication with external |
| 28 | // VPN processes. The RPC task should be owned by a single owner -- its |
| 29 | // RPCTaskDelegate -- so no need to be reference counted. |
| 30 | class RPCTask { |
| 31 | public: |
| 32 | // A constructor for the RPCTask object. |
| 33 | RPCTask(ControlInterface *control_interface, RPCTaskDelegate *delegate); |
| 34 | virtual ~RPCTask(); |
| 35 | |
| 36 | virtual void Notify(const std::string &reason, |
| 37 | const std::map<std::string, std::string> &dict); |
| 38 | |
| 39 | // Returns a string that is guaranteed to uniquely identify this RPCTask |
| 40 | // instance. |
| 41 | const std::string &UniqueName() const { return unique_name_; } |
| 42 | |
| 43 | std::string GetRpcIdentifier() const; |
| 44 | std::string GetRpcInterfaceIdentifier() const; |
| 45 | std::string GetRpcConnectionIdentifier() const; |
| 46 | |
| 47 | private: |
| 48 | RPCTaskDelegate *delegate_; |
| 49 | static unsigned int serial_number_; |
| 50 | std::string unique_name_; // MUST be unique amongst RPC task instances |
| 51 | scoped_ptr<RPCTaskAdaptorInterface> adaptor_; |
| 52 | |
| 53 | DISALLOW_COPY_AND_ASSIGN(RPCTask); |
| 54 | }; |
| 55 | |
| 56 | } // namespace shill |
| 57 | |
| 58 | #endif // SHILL_RPC_TASK_ |