Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 1 | /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */ |
| 2 | /* |
| 3 | * Copyright (c) 2012-2013 University of California, Los Angeles |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation; |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| 19 | * Zhenkai Zhu <zhenkai@cs.ucla.edu> |
| 20 | */ |
| 21 | |
| 22 | #ifndef FETCHER_H |
| 23 | #define FETCHER_H |
| 24 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 25 | #include "ccnx-wrapper.h" |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 26 | #include "ccnx-name.h" |
| 27 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 28 | #include "scheduler.h" |
Alexander Afanasyev | 83531a4 | 2013-01-19 16:21:54 -0800 | [diff] [blame] | 29 | #include <boost/intrusive/list.hpp> |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 30 | |
Alexander Afanasyev | 76d4fa4 | 2013-01-19 14:51:21 -0800 | [diff] [blame] | 31 | class FetchManager; |
| 32 | |
Alexander Afanasyev | 83531a4 | 2013-01-19 16:21:54 -0800 | [diff] [blame] | 33 | class Fetcher |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 34 | { |
| 35 | public: |
Alexander Afanasyev | 76d4fa4 | 2013-01-19 14:51:21 -0800 | [diff] [blame] | 36 | Fetcher (FetchManager &fetchManger, |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 37 | const Ccnx::Name &name, int32_t minSeqNo, int32_t maxSeqNo, |
| 38 | const Ccnx::Name &forwardingHint = Ccnx::Name ()); |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 39 | virtual ~Fetcher (); |
Alexander Afanasyev | 76d4fa4 | 2013-01-19 14:51:21 -0800 | [diff] [blame] | 40 | |
| 41 | private: |
| 42 | void |
Alexander Afanasyev | 83531a4 | 2013-01-19 16:21:54 -0800 | [diff] [blame] | 43 | RestartPipeline (); |
Alexander Afanasyev | 76d4fa4 | 2013-01-19 14:51:21 -0800 | [diff] [blame] | 44 | |
| 45 | void |
Alexander Afanasyev | 5054789 | 2013-01-19 22:03:45 -0800 | [diff] [blame^] | 46 | FillPipeline (); |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 47 | |
| 48 | void |
Alexander Afanasyev | 5054789 | 2013-01-19 22:03:45 -0800 | [diff] [blame^] | 49 | OnData (uint32_t seqno, const Ccnx::Name &name, const Ccnx::Bytes &); |
| 50 | |
| 51 | Ccnx::Closure::TimeoutCallbackReturnValue |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 52 | OnTimeout (uint32_t seqno, const Ccnx::Name &name); |
| 53 | |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 54 | private: |
Alexander Afanasyev | 76d4fa4 | 2013-01-19 14:51:21 -0800 | [diff] [blame] | 55 | FetchManager &m_fetchManager; |
Alexander Afanasyev | 83531a4 | 2013-01-19 16:21:54 -0800 | [diff] [blame] | 56 | bool m_active; |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 57 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 58 | Ccnx::Name m_name; |
| 59 | Ccnx::Name m_forwardingHint; |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 60 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 61 | int32_t m_minSendSeqNo; |
Alexander Afanasyev | 5054789 | 2013-01-19 22:03:45 -0800 | [diff] [blame^] | 62 | int32_t m_maxInOrderRecvSeqNo; |
| 63 | std::set<int32_t> m_outOfOrderRecvSeqNo; |
| 64 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 65 | int32_t m_minSeqNo; |
| 66 | int32_t m_maxSeqNo; |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 67 | |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 68 | uint32_t m_pipeline; |
Alexander Afanasyev | 5054789 | 2013-01-19 22:03:45 -0800 | [diff] [blame^] | 69 | uint32_t m_activePipeline; |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 70 | |
| 71 | boost::intrusive::list_member_hook<> m_managerListHook; |
Alexander Afanasyev | 83531a4 | 2013-01-19 16:21:54 -0800 | [diff] [blame] | 72 | friend class FetchManager; |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 73 | }; |
| 74 | |
Alexander Afanasyev | d6c2a90 | 2013-01-19 21:24:30 -0800 | [diff] [blame] | 75 | typedef boost::error_info<struct tag_errmsg, std::string> errmsg_info_str; |
Alexander Afanasyev | 49a1852 | 2013-01-18 17:49:04 -0800 | [diff] [blame] | 76 | |
Alexander Afanasyev | dfe5819 | 2013-01-17 17:34:04 -0800 | [diff] [blame] | 77 | namespace Error { |
| 78 | struct Fetcher : virtual boost::exception, virtual std::exception { }; |
| 79 | } |
| 80 | |
| 81 | typedef boost::shared_ptr<Fetcher> FetcherPtr; |
| 82 | |
| 83 | |
| 84 | #endif // FETCHER_H |