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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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| 983 | runge | 55 | myChannel->stop(); |
| 969 | runge | 56 | delete myChannel; |
| 57 | } |
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| 58 | |||
| 59 | void CanNetManager::openChannel() |
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| 60 | { |
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| 61 | SyslogStream &slog = SyslogStream::getInstance(); |
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| 62 | VirtualMachine &vm = VirtualMachine::getInstance(); |
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| 981 | runge | 63 | CanDebug &canDebug = CanDebug::getInstance(); |
| 969 | runge | 64 | |
| 65 | string address = Settings::get("CanNetAddress"); |
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| 66 | string port = Settings::get("CanNetPort"); |
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| 67 | |||
| 984 | runge | 68 | myChannel->setAddress(address); |
| 69 | myChannel->setPort(stoi(port)); |
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| 976 | runge | 70 | myChannel->setReconnectTimeout(10); |
| 71 | |||
| 969 | runge | 72 | myChannel->start(); |
| 73 | |||
| 984 | runge | 74 | myChannel->eventStartListen(); |
| 969 | runge | 75 | |
| 974 | runge | 76 | bool waitingForPong = false; |
| 984 | runge | 77 | vector<string> dataLines; |
| 78 | string data; |
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| 79 | CanMessage canMessage; |
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| 974 | runge | 80 | |
| 969 | runge | 81 | while (1) |
| 82 | { |
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| 984 | runge | 83 | myChannel->eventWait(); |
| 969 | runge | 84 | |
| 984 | runge | 85 | while (myChannel->eventIsAvailable()) |
| 983 | runge | 86 | { |
| 984 | runge | 87 | SocketEvent socketEvent = myChannel->eventFetch(); |
| 969 | runge | 88 | |
| 984 | runge | 89 | switch (socketEvent.getType()) |
| 969 | runge | 90 | { |
| 984 | runge | 91 | case SocketEvent::TYPE_CONNECTED: |
| 92 | slog << "Connected to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + ".\n"; |
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| 93 | break; |
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| 974 | runge | 94 | |
| 984 | runge | 95 | case SocketEvent::TYPE_CONNECTING: |
| 96 | slog << "Connecting to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + ".\n"; |
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| 97 | break; |
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| 969 | runge | 98 | |
| 984 | runge | 99 | case SocketEvent::TYPE_CONNECTION_CLOSED: |
| 100 | slog << "Connection to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + " closed.\n"; |
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| 101 | vm.queueExpression("setAllOffline();"); |
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| 102 | break; |
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| 974 | runge | 103 | |
| 984 | runge | 104 | case SocketEvent::TYPE_CONNECTION_DIED: |
| 105 | slog << "Connection to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + " died :: " + socketEvent.getData() + "\n"; |
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| 106 | vm.queueExpression("setAllOffline();"); |
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| 107 | break; |
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| 974 | runge | 108 | |
| 984 | runge | 109 | case SocketEvent::TYPE_CONNECTION_RESET: |
| 110 | slog << "Connection to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + " was reset :: " + socketEvent.getData() + "\n"; |
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| 111 | vm.queueExpression("setAllOffline();"); |
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| 112 | break; |
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| 969 | runge | 113 | |
| 984 | runge | 114 | case SocketEvent::TYPE_CONNECTION_FAILED: |
| 115 | slog << "Connection to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + " failed :: " + socketEvent.getData() + "\n"; |
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| 116 | vm.queueExpression("setAllOffline();"); |
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| 117 | break; |
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| 969 | runge | 118 | |
| 984 | runge | 119 | case SocketEvent::TYPE_DATA: |
| 120 | waitingForPong = false; |
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| 121 | try |
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| 122 | { |
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| 123 | dataLines = explode("\n", socketEvent.getData()); |
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| 983 | runge | 124 | |
| 984 | runge | 125 | for (int n = 0; n < dataLines.size(); n++) |
| 126 | { |
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| 127 | data = trim(dataLines[n], '\n'); |
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| 128 | |||
| 129 | if (data == "PONG") |
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| 130 | { |
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| 131 | slog << "Received pong.\n"; |
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| 132 | continue; |
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| 969 | runge | 133 | } |
| 984 | runge | 134 | |
| 135 | canMessage.setRaw(data); |
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| 136 | |||
| 137 | if (!canMessage.isUnknown()) |
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| 138 | { |
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| 139 | vm.queueCanMessage(canMessage); |
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| 140 | canDebug.sendCanMessage(canMessage); |
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| 141 | } |
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| 142 | else |
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| 143 | { |
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| 144 | canDebug.sendData(data + "\n"); |
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| 145 | } |
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| 969 | runge | 146 | } |
| 147 | } |
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| 984 | runge | 148 | catch (CanMessageException* e) |
| 149 | { |
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| 150 | slog << "CanMessageException was caught:\n"; |
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| 151 | slog << e->getDescription() + "\n"; |
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| 152 | } |
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| 983 | runge | 153 | break; |
| 984 | runge | 154 | |
| 155 | case SocketEvent::TYPE_INACTIVITY: |
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| 983 | runge | 156 | if (waitingForPong) |
| 157 | { |
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| 158 | slog << "We have not received a pong for our ping.\n"; |
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| 159 | waitingForPong = false; |
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| 160 | vm.queueExpression("setAllOffline();"); |
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| 161 | myChannel->forceReconnect(); |
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| 162 | } |
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| 163 | else |
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| 164 | { |
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| 165 | //slog << "We have not received anything from the canDaemon in some time.\n"; |
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| 166 | waitingForPong = true; |
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| 167 | slog << "Sending ping.\n"; |
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| 168 | myChannel->sendData("PING"); |
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| 169 | } |
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| 984 | runge | 170 | break; |
| 974 | runge | 171 | |
| 984 | runge | 172 | case SocketEvent::TYPE_WAITING_RECONNECT: |
| 173 | slog << "Will try to reconnect to " + myChannel->getAddress() + ":" + itos(myChannel->getPort()) + " in " + itos(myChannel->getReconnectTimeout()) + " seconds.\n"; |
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| 174 | break; |
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| 983 | runge | 175 | } |
| 974 | runge | 176 | } |
| 969 | runge | 177 | } |
| 178 | |||
| 984 | runge | 179 | myChannel->eventStopListen(); |
| 969 | runge | 180 | } |
| 181 | |||
| 182 | void CanNetManager::sendMessage(CanMessage canMessage) |
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| 183 | { |
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| 981 | runge | 184 | CanDebug &canDebug = CanDebug::getInstance(); |
| 185 | canDebug.sendCanMessage(canMessage); |
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| 969 | runge | 186 | myChannel->sendData(canMessage.getRaw()); |
| 187 | } |
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| 188 |