| 1 | /* |
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| 2 | * Copyright (c) 2010, |
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| 3 | * Gavriloaie Eugen-Andrei (shiretu@gmail.com) |
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| 4 | * |
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| 5 | * This file is part of crtmpserver. |
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| 6 | * crtmpserver is free software: you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation, either version 3 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * crtmpserver is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with crtmpserver. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | */ |
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| 19 | |
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| 20 | |
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| 21 | #include "protocols/protocolmanager.h" |
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| 22 | #include "protocols/baseprotocol.h" |
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| 23 | #include "netio/netio.h" |
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| 24 | |
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| 25 | map<uint32_t, BaseProtocol *> ProtocolManager::_activeProtocols; |
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| 26 | map<uint32_t, BaseProtocol *> ProtocolManager::_deadProtocols; |
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| 27 | |
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| 28 | void ProtocolManager::RegisterProtocol(BaseProtocol *pProtocol) { |
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| 29 | if (MAP_HAS1(_activeProtocols, pProtocol->GetId())) |
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| 30 | return; |
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| 31 | if (MAP_HAS1(_deadProtocols, pProtocol->GetId())) |
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| 32 | return; |
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| 33 | _activeProtocols[pProtocol->GetId()] = pProtocol; |
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| 34 | } |
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| 35 | |
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| 36 | void ProtocolManager::UnRegisterProtocol(BaseProtocol *pProtocol) { |
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| 37 | if (MAP_HAS1(_activeProtocols, pProtocol->GetId())) |
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| 38 | _activeProtocols.erase(pProtocol->GetId()); |
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| 39 | if (MAP_HAS1(_deadProtocols, pProtocol->GetId())) |
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| 40 | _deadProtocols.erase(pProtocol->GetId()); |
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| 41 | } |
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| 42 | |
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| 43 | void ProtocolManager::EnqueueForDelete(BaseProtocol *pProtocol) { |
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| 44 | if (pProtocol->GetNearProtocol() == NULL) { |
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| 45 | FINEST("Enqueue for delete for protocol %s", STR(*pProtocol)); |
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| 46 | } |
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| 47 | pProtocol->SetApplication(NULL); |
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| 48 | if (MAP_HAS1(_activeProtocols, pProtocol->GetId())) |
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| 49 | _activeProtocols.erase(pProtocol->GetId()); |
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| 50 | if (!MAP_HAS1(_deadProtocols, pProtocol->GetId())) |
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| 51 | _deadProtocols[pProtocol->GetId()] = pProtocol; |
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| 52 | } |
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| 53 | |
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| 54 | uint32_t ProtocolManager::CleanupDeadProtocols() { |
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| 55 | uint32_t result = 0; |
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| 56 | while (_deadProtocols.size() > 0) { |
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| 57 | BaseProtocol *pBaseProtocol = MAP_VAL(_deadProtocols.begin()); |
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| 58 | delete pBaseProtocol; |
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| 59 | result++; |
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| 60 | } |
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| 61 | return result; |
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| 62 | } |
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| 63 | |
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| 64 | void ProtocolManager::Shutdown() { |
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| 65 | while (_activeProtocols.size() > 0) { |
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| 66 | EnqueueForDelete(MAP_VAL(_activeProtocols.begin())); |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | BaseProtocol * ProtocolManager::GetProtocol(uint32_t id, |
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| 71 | bool includeDeadProtocols) { |
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| 72 | if (!includeDeadProtocols && MAP_HAS1(_deadProtocols, id)) |
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| 73 | return NULL; |
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| 74 | if (MAP_HAS1(_activeProtocols, id)) |
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| 75 | return _activeProtocols[id]; |
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| 76 | if (MAP_HAS1(_deadProtocols, id)) |
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| 77 | return _deadProtocols[id]; |
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| 78 | return NULL; |
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| 79 | } |
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| 80 | |
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| 81 | const map<uint32_t, BaseProtocol *> & ProtocolManager::GetActiveProtocols() { |
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| 82 | return _activeProtocols; |
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| 83 | } |
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| 84 | |
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| 85 | void ProtocolManager::GetActiveProtocols(map<uint32_t, BaseProtocol *> &result, |
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| 86 | protocolManagerFilter_f filter) { |
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| 87 | result.clear(); |
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| 88 | if (filter == NULL) { |
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| 89 | result = _activeProtocols; |
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| 90 | return; |
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| 91 | } |
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| 92 | |
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| 93 | FOR_MAP(_activeProtocols, uint32_t, BaseProtocol *, i) { |
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| 94 | if (!filter(MAP_VAL(i))) |
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| 95 | continue; |
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| 96 | result[MAP_VAL(i)->GetId()] = MAP_VAL(i); |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | bool protocolManagerNetworkedProtocolsFilter(BaseProtocol *pProtocol) { |
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| 101 | IOHandler *pIOHandler = pProtocol->GetIOHandler(); |
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| 102 | if ((pIOHandler == NULL) |
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| 103 | || ((pIOHandler->GetType() != IOHT_TCP_CARRIER) |
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| 104 | && (pIOHandler->GetType() != IOHT_UDP_CARRIER))) |
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| 105 | return false; |
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| 106 | return true; |
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| 107 | } |
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| 108 | |
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| 109 | bool protocolManagerNearProtocolsFilter(BaseProtocol *pProtocol) { |
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| 110 | return pProtocol->GetNearProtocol() == NULL; |
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| 111 | } |
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