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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 969 | runge | 1 | /*************************************************************************** |
| 2 | * Copyright (C) November 29, 2008 by Mattias Runge * |
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| 3 | * mattias@runge.se * |
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| 4 | * cannetmanager.cpp * |
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| 5 | * * |
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| 6 | * This program 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 2 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 | * This program 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 this program; if not, write to the * |
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| 18 | * Free Software Foundation, Inc., * |
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| 19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 20 | ***************************************************************************/ |
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| 21 | |||
| 22 | #include "canmessage.h" |
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| 23 | #include "cannetmanager.h" |
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| 24 | |||
| 25 | CanNetManager* CanNetManager::myInstance = NULL; |
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| 26 | |||
| 27 | CanNetManager& CanNetManager::getInstance() |
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| 28 | { |
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| 29 | if (myInstance == NULL) |
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| 30 | { |
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| 31 | myInstance = new CanNetManager(); |
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| 32 | } |
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| 33 | |||
| 34 | return *myInstance; |
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| 35 | } |
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| 36 | |||
| 37 | void CanNetManager::deleteInstance() |
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| 38 | { |
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| 39 | if (myInstance != NULL) |
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| 40 | { |
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| 41 | delete myInstance; |
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| 42 | myInstance = NULL; |
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| 43 | } |
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| 44 | } |
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| 45 | |||
| 46 | CanNetManager::CanNetManager() |
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| 47 | { |
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| 48 | CanIdTranslator &translator = CanIdTranslator::getInstance(); |
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| 49 | myChannel = new AsyncSocket(); |
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| 50 | } |
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| 51 | |||
| 52 | CanNetManager::~CanNetManager() |
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| 53 | { |
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| 54 | CanIdTranslator::deleteInstance(); |
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| 55 | delete myChannel; |
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| 56 | } |
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| 57 | |||
| 58 | void CanNetManager::openChannel() |
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| 59 | { |
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| 60 | SyslogStream &slog = SyslogStream::getInstance(); |
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| 61 | VirtualMachine &vm = VirtualMachine::getInstance(); |
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| 62 | |||
| 63 | string address = Settings::get("CanNetAddress"); |
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| 64 | string port = Settings::get("CanNetPort"); |
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| 65 | |||
| 66 | myChannel->setAddress(address, stoi(port)); |
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| 67 | |||
| 976 | runge | 68 | myChannel->setReconnectTimeout(10); |
| 69 | |||
| 969 | runge | 70 | myChannel->start(); |
| 71 | |||
| 72 | myChannel->startEvent(); |
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| 73 | |||
| 974 | runge | 74 | bool waitingForPong = false; |
| 75 | |||
| 969 | runge | 76 | while (1) |
| 77 | { |
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| 78 | myChannel->waitForEvent(); |
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| 79 | |||
| 80 | int event = myChannel->getEvent(); |
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| 81 | |||
| 82 | if (event == ASYNCSOCKET_EVENT_DATA) |
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| 83 | { |
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| 84 | while (myChannel->availableData()) |
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| 85 | { |
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| 974 | runge | 86 | waitingForPong = false; |
| 87 | |||
| 969 | runge | 88 | string data = myChannel->getData(); |
| 89 | |||
| 90 | try |
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| 91 | { |
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| 976 | runge | 92 | ///FIXME: Verify that \n is right here, have seen that it does not always work |
| 969 | runge | 93 | vector<string> dataLines = explode("\n", data); |
| 94 | |||
| 95 | for (int n = 0; n < dataLines.size(); n++) |
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| 96 | { |
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| 974 | runge | 97 | data = trim(data, '\n'); |
| 98 | |||
| 99 | if (data == "PONG") |
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| 100 | { |
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| 101 | slog << "Received pong.\n"; |
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| 102 | continue; |
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| 103 | } |
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| 104 | |||
| 969 | runge | 105 | CanMessage canMessage; |
| 106 | canMessage.setRaw(data); |
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| 107 | |||
| 108 | //slog << "Received: " << data; |
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| 109 | |||
| 972 | runge | 110 | if (!canMessage.isUnknown()) |
| 969 | runge | 111 | { |
| 972 | runge | 112 | vm.queueCanMessage(canMessage); |
| 969 | runge | 113 | } |
| 972 | runge | 114 | /*else |
| 969 | runge | 115 | { |
| 972 | runge | 116 | slog << "Received unknown message. Skipping...\n"; |
| 117 | }*/ |
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| 969 | runge | 118 | } |
| 119 | } |
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| 120 | catch (CanMessageException* e) |
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| 121 | { |
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| 122 | slog << "CanMessageException was caught:\n"; |
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| 976 | runge | 123 | slog << e->getDescription() + "\n"; |
| 969 | runge | 124 | } |
| 125 | } |
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| 126 | } |
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| 975 | runge | 127 | else if (event == ASYNCSOCKET_EVENT_CLOSED) |
| 128 | { |
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| 129 | vm.queueExpression("setAllOffline();"); |
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| 130 | } |
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| 976 | runge | 131 | else if (event == ASYNCSOCKET_EVENT_DIED) |
| 132 | { |
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| 133 | vm.queueExpression("setAllOffline();"); |
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| 134 | break; |
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| 135 | } |
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| 974 | runge | 136 | else if (event == ASYNCSOCKET_EVENT_INACTIVITY) |
| 137 | { |
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| 138 | if (waitingForPong) |
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| 139 | { |
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| 140 | slog << "We have not received a pong for our ping.\n"; |
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| 141 | waitingForPong = false; |
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| 142 | vm.queueExpression("setAllOffline();"); |
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| 143 | myChannel->forceReconnect(); |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 976 | runge | 147 | //slog << "We have not received anything from the canDaemon in some time.\n"; |
| 974 | runge | 148 | waitingForPong = true; |
| 149 | slog << "Sending ping.\n"; |
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| 150 | myChannel->sendData("PING"); |
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| 151 | } |
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| 152 | |||
| 153 | } |
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| 969 | runge | 154 | } |
| 155 | |||
| 156 | myChannel->stopEvent(); |
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| 157 | } |
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| 158 | |||
| 159 | void CanNetManager::sendMessage(CanMessage canMessage) |
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| 160 | { |
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| 161 | myChannel->sendData(canMessage.getRaw()); |
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| 162 | } |
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| 163 |