| 1 | /* | 
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| 2 | *   ORXONOX - the hottest 3D action shooter ever to exist | 
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| 3 | *                    > www.orxonox.net < | 
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| 4 | * | 
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| 5 | * | 
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| 6 | *   License notice: | 
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| 7 | * | 
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| 8 | *   This program is free software; you can redistribute it and/or | 
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| 9 | *   modify it under the terms of the GNU General Public License | 
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| 10 | *   as published by the Free Software Foundation; either version 2 | 
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| 11 | *   of the License, or (at your option) any later version. | 
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| 12 | * | 
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| 13 | *   This program is distributed in the hope that it will be useful, | 
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| 14 | *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | *   GNU General Public License for more details. | 
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| 17 | * | 
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| 18 | *   You should have received a copy of the GNU General Public License | 
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| 19 | *   along with this program; if not, write to the Free Software | 
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| 20 | *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. | 
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| 21 | * | 
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| 22 | *   Author: | 
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| 23 | *      Fabian 'x3n' Landau | 
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| 24 | *   Co-authors: | 
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| 25 | *      ... | 
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| 26 | * | 
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| 27 | */ | 
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| 28 |  | 
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| 29 | #include <iostream> | 
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| 30 | #include <string> | 
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| 31 |  | 
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| 32 | #include <boost/thread/thread.hpp> | 
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| 33 | #include <boost/bind.hpp> | 
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| 34 |  | 
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| 35 | #include <OgreTimer.h> | 
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| 36 |  | 
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| 37 | #include "CoreIncludes.h" | 
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| 38 | #include "ConsoleCommand.h" | 
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| 39 | #include "CommandExecutor.h" | 
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| 40 | #include "Debug.h" | 
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| 41 | #include "TclBind.h" | 
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| 42 | #include "TclThreadManager.h" | 
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| 43 | #include "util/Convert.h" | 
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| 44 |  | 
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| 45 | #define TCLTHREADMANAGER_MAX_QUEUE_LENGTH 100 | 
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| 46 | #define TCLTHREADMANAGER_MAX_CPU_USAGE 0.50 | 
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| 47 |  | 
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| 48 | namespace orxonox | 
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| 49 | { | 
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| 50 | SetConsoleCommandShortcutGeneric(tclexecute, createConsoleCommand(createFunctor(&TclThreadManager::execute), "tclexecute")).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 51 | SetConsoleCommandShortcutGeneric(tclquery,   createConsoleCommand(createFunctor(&TclThreadManager::query),   "tclquery"  )).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 52 | SetConsoleCommand(TclThreadManager, create,  false); | 
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| 53 | SetConsoleCommand(TclThreadManager, destroy, false).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 54 | SetConsoleCommand(TclThreadManager, execute, false).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 55 | SetConsoleCommand(TclThreadManager, query,   false).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 56 | SetConsoleCommand(TclThreadManager, status,  false); | 
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| 57 | SetConsoleCommand(TclThreadManager, dump,    false).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 58 | SetConsoleCommand(TclThreadManager, flush,   false).setArgumentCompleter(0, autocompletion::tclthreads()); | 
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| 59 |  | 
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| 60 | TclThreadManager* instance_tclthreadmanager = &TclThreadManager::getInstance(); | 
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| 61 |  | 
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| 62 | TclThreadManager::TclThreadManager() | 
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| 63 | { | 
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| 64 | RegisterRootObject(TclThreadManager); | 
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| 65 |  | 
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| 66 | this->threadCounter_ = 0; | 
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| 67 | this->orxonoxInterpreterBundle_.id_ = 0; | 
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| 68 | this->orxonoxInterpreterBundle_.interpreter_ = TclBind::getInstance().getTclInterpreter(); | 
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| 69 | #if (BOOST_VERSION >= 103500) | 
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| 70 | this->threadID_ = boost::this_thread::get_id(); | 
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| 71 | #else | 
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| 72 | // | 
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| 73 | #endif | 
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| 74 | } | 
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| 75 |  | 
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| 76 | TclThreadManager& TclThreadManager::getInstance() | 
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| 77 | { | 
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| 78 | static TclThreadManager instance; | 
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| 79 | return instance; | 
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| 80 | } | 
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| 81 |  | 
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| 82 | unsigned int TclThreadManager::create() | 
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| 83 | { | 
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| 84 | boost::mutex::scoped_lock bundles_lock(TclThreadManager::getInstance().bundlesMutex_); | 
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| 85 | TclThreadManager::getInstance().threadCounter_++; | 
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| 86 | std::string name = getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().threadCounter_); | 
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| 87 |  | 
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| 88 | TclInterpreterBundle* bundle = new TclInterpreterBundle; | 
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| 89 | bundle->id_ = TclThreadManager::getInstance().threadCounter_; | 
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| 90 | bundle->interpreter_ = TclThreadManager::getInstance().createNewTclInterpreter(name); | 
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| 91 | bundle->interpreterName_ = name; | 
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| 92 | bundle->running_ = true; | 
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| 93 | bundle->finished_ = true; | 
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| 94 |  | 
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| 95 | TclThreadManager::getInstance().interpreterBundles_[TclThreadManager::getInstance().threadCounter_] = bundle; | 
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| 96 | COUT(0) << "Created new Tcl-interpreter with ID " << TclThreadManager::getInstance().threadCounter_ << std::endl; | 
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| 97 | return TclThreadManager::getInstance().threadCounter_; | 
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| 98 | } | 
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| 99 |  | 
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| 100 | unsigned int TclThreadManager::createID(unsigned int threadID) | 
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| 101 | { | 
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| 102 | unsigned int temp = TclThreadManager::getInstance().threadCounter_; | 
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| 103 | TclThreadManager::getInstance().threadCounter_ = threadID - 1; | 
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| 104 | TclThreadManager::create(); | 
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| 105 | TclThreadManager::getInstance().threadCounter_ = temp; | 
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| 106 | return threadID; | 
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| 107 | } | 
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| 108 |  | 
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| 109 | void TclThreadManager::destroy(unsigned int threadID) | 
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| 110 | { | 
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| 111 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID); | 
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| 112 | if (bundle) | 
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| 113 | { | 
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| 114 | { | 
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| 115 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); | 
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| 116 | bundle->running_ = false; | 
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| 117 | } | 
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| 118 | while (true) | 
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| 119 | { | 
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| 120 | { | 
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| 121 | boost::mutex::scoped_lock finished_lock(bundle->finishedMutex_); | 
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| 122 | if (bundle->finished_) | 
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| 123 | { | 
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| 124 | boost::mutex::scoped_lock bundles_lock(TclThreadManager::getInstance().bundlesMutex_); | 
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| 125 | #if (BOOST_VERSION >= 103500) | 
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| 126 | boost::mutex::scoped_try_lock interpreter_lock(bundle->interpreterMutex_); | 
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| 127 | #else | 
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| 128 | boost::try_mutex::scoped_try_lock interpreter_lock(bundle->interpreterMutex_); | 
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| 129 | #endif | 
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| 130 | try | 
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| 131 | { | 
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| 132 | while (!interpreter_lock.try_lock()) | 
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| 133 | { | 
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| 134 | TclThreadManager::getInstance().orxonoxEvalCondition_.notify_one(); | 
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| 135 | #if (BOOST_VERSION >= 103500) | 
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| 136 | boost::this_thread::yield(); | 
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| 137 | #else | 
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| 138 | boost::thread::yield(); | 
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| 139 | #endif | 
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| 140 | } | 
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| 141 | } catch (...) {} | 
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| 142 | delete bundle->interpreter_; | 
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| 143 | delete bundle; | 
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| 144 | TclThreadManager::getInstance().interpreterBundles_.erase(threadID); | 
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| 145 | break; | 
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| 146 | } | 
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| 147 | } | 
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| 148 |  | 
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| 149 | TclThreadManager::getInstance().orxonoxEvalCondition_.notify_one(); | 
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| 150 | #if (BOOST_VERSION >= 103500) | 
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| 151 | boost::this_thread::yield(); | 
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| 152 | #else | 
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| 153 | boost::thread::yield(); | 
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| 154 | #endif | 
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| 155 | } | 
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| 156 |  | 
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| 157 | COUT(0) << "Destroyed Tcl-interpreter with ID " << threadID << std::endl; | 
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| 158 | } | 
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| 159 | } | 
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| 160 |  | 
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| 161 | void TclThreadManager::execute(unsigned int threadID, const std::string& _command) | 
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| 162 | { | 
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| 163 | std::string command = stripEnclosingBraces(_command); | 
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| 164 |  | 
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| 165 | if (threadID == 0) | 
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| 166 | TclThreadManager::getInstance().pushCommandToQueue(command); | 
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| 167 | else | 
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| 168 | TclThreadManager::getInstance().pushCommandToQueue(threadID, command); | 
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| 169 | } | 
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| 170 |  | 
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| 171 | std::string TclThreadManager::query(unsigned int threadID, const std::string& command) | 
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| 172 | { | 
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| 173 | return TclThreadManager::getInstance().evalQuery(TclThreadManager::getInstance().orxonoxInterpreterBundle_.id_, threadID, command); | 
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| 174 | } | 
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| 175 |  | 
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| 176 | void TclThreadManager::status() | 
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| 177 | { | 
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| 178 | COUT(0) << "Thread ID" << '\t' << "Queue size" << '\t' << "State" << std::endl; | 
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| 179 |  | 
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| 180 | std::string output = "Orxonox"; | 
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| 181 | output += "\t\t"; | 
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| 182 | { | 
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| 183 | boost::mutex::scoped_lock queue_lock(TclThreadManager::getInstance().orxonoxInterpreterBundle_.queueMutex_); | 
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| 184 | output += getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().orxonoxInterpreterBundle_.queue_.size()); | 
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| 185 | } | 
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| 186 | output += "\t\t"; | 
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| 187 | output += "busy"; | 
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| 188 | COUT(0) << output << std::endl; | 
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| 189 |  | 
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| 190 | boost::mutex::scoped_lock bundles_lock(TclThreadManager::getInstance().bundlesMutex_); | 
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| 191 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = TclThreadManager::getInstance().interpreterBundles_.begin(); it != TclThreadManager::getInstance().interpreterBundles_.end(); ++it) | 
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| 192 | { | 
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| 193 | std::string output = getConvertedValue<unsigned int, std::string>((*it).first); | 
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| 194 | output += "\t\t"; | 
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| 195 | { | 
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| 196 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); | 
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| 197 | output += getConvertedValue<unsigned int, std::string>((*it).second->queue_.size()); | 
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| 198 | } | 
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| 199 | output += "\t\t"; | 
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| 200 | { | 
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| 201 | #if (BOOST_VERSION >= 103500) | 
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| 202 | boost::mutex::scoped_try_lock interpreter_lock((*it).second->interpreterMutex_); | 
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| 203 | #else | 
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| 204 | boost::try_mutex::scoped_try_lock interpreter_lock((*it).second->interpreterMutex_); | 
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| 205 | #endif | 
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| 206 | if (interpreter_lock.try_lock()) | 
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| 207 | output += "ready"; | 
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| 208 | else | 
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| 209 | output += "busy"; | 
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| 210 | } | 
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| 211 | COUT(0) << output << std::endl; | 
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| 212 | } | 
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| 213 | } | 
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| 214 |  | 
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| 215 | void TclThreadManager::dump(unsigned int threadID) | 
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| 216 | { | 
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| 217 | TclInterpreterBundle* bundle = 0; | 
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| 218 | if (threadID == 0) | 
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| 219 | { | 
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| 220 | bundle = &TclThreadManager::getInstance().orxonoxInterpreterBundle_; | 
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| 221 | COUT(0) << "Queue dump of Orxonox:" << std::endl; | 
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| 222 | } | 
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| 223 | else | 
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| 224 | { | 
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| 225 | if ((bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) | 
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| 226 | { | 
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| 227 | COUT(0) << "Queue dump of Tcl-thread " << threadID << ":" << std::endl; | 
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| 228 | } | 
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| 229 | else | 
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| 230 | return; | 
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| 231 | } | 
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| 232 |  | 
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| 233 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
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| 234 | unsigned int index = 0; | 
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| 235 | for (std::list<std::string>::const_iterator it = bundle->queue_.begin(); it != bundle->queue_.end(); ++it) | 
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| 236 | { | 
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| 237 | index++; | 
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| 238 | COUT(0) << index << ": " << (*it) << std::endl; | 
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| 239 | } | 
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| 240 | } | 
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| 241 |  | 
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| 242 | void TclThreadManager::flush(unsigned int threadID) | 
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| 243 | { | 
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| 244 | TclInterpreterBundle* bundle = 0; | 
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| 245 | if (threadID == 0) | 
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| 246 | bundle = &TclThreadManager::getInstance().orxonoxInterpreterBundle_; | 
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| 247 | else | 
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| 248 | if (!(bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) | 
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| 249 | return; | 
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| 250 |  | 
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| 251 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
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| 252 | bundle->queue_.clear(); | 
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| 253 | if (threadID == 0) | 
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| 254 | { | 
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| 255 | COUT(0) << "Flushed queue of Orxonox Tcl-interpreter." << std::endl; | 
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| 256 | } | 
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| 257 | else | 
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| 258 | { | 
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| 259 | COUT(0) << "Flushed queue of Tcl-interpreter " << threadID << "." << std::endl; | 
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| 260 | } | 
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| 261 | } | 
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| 262 |  | 
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| 263 | void TclThreadManager::tcl_execute(Tcl::object const &args) | 
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| 264 | { | 
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| 265 | TclThreadManager::getInstance().pushCommandToQueue(stripEnclosingBraces(args.get())); | 
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| 266 | } | 
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| 267 |  | 
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| 268 | std::string TclThreadManager::tcl_query(int querierID, Tcl::object const &args) | 
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| 269 | { | 
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| 270 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, stripEnclosingBraces(args.get())); | 
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| 271 | } | 
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| 272 |  | 
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| 273 | std::string TclThreadManager::tcl_crossquery(int querierID, int threadID, Tcl::object const &args) | 
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| 274 | { | 
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| 275 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, (unsigned int)threadID, stripEnclosingBraces(args.get())); | 
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| 276 | } | 
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| 277 |  | 
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| 278 | bool TclThreadManager::tcl_running(int threadID) | 
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| 279 | { | 
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| 280 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle((unsigned int)threadID); | 
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| 281 | if (bundle) | 
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| 282 | { | 
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| 283 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); | 
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| 284 | return bundle->running_; | 
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| 285 | } | 
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| 286 | return false; | 
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| 287 | } | 
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| 288 |  | 
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| 289 | Tcl::interpreter* TclThreadManager::createNewTclInterpreter(const std::string& threadID) | 
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| 290 | { | 
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| 291 | Tcl::interpreter* i = 0; | 
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| 292 | i = new Tcl::interpreter(TclBind::getInstance().getTclLibPath()); | 
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| 293 |  | 
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| 294 | try | 
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| 295 | { | 
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| 296 | i->def("orxonox::query", TclThreadManager::tcl_query, Tcl::variadic()); | 
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| 297 | i->def("orxonox::crossquery", TclThreadManager::tcl_crossquery, Tcl::variadic()); | 
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| 298 | i->def("orxonox::execute", TclThreadManager::tcl_execute, Tcl::variadic()); | 
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| 299 | i->def("orxonox::running", TclThreadManager::tcl_running); | 
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| 300 |  | 
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| 301 | i->def("execute", TclThreadManager::tcl_execute, Tcl::variadic()); | 
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| 302 | i->eval("proc query args { orxonox::query " + threadID + " $args }"); | 
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| 303 | i->eval("proc crossquery {id args} { orxonox::crossquery " + threadID + " $id $args }"); | 
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| 304 | i->eval("set id " + threadID); | 
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| 305 |  | 
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| 306 | i->eval("rename exit tcl::exit"); | 
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| 307 | i->eval("proc exit {} { orxonox TclThreadManager destroy " + threadID + " }"); | 
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| 308 |  | 
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| 309 | i->eval("redef_puts"); | 
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| 310 |  | 
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| 311 | //            i->eval("rename while tcl::while"); | 
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| 312 | //            i->eval("proc while {test command} { tcl::while {[uplevel 1 expr $test]} {uplevel 1 $command} }"); // (\"$test\" && [orxonox::running " + threadID + "]]) | 
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| 313 | //            i->eval("rename for tcl::for"); | 
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| 314 | //            i->eval("proc for {start test next command} { uplevel tcl::for \"$start\" \"$test\" \"$next\" \"$command\" }"); | 
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| 315 | } | 
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| 316 | catch (Tcl::tcl_error const &e) | 
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| 317 | {   COUT(1) << "Tcl error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl;   } | 
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| 318 | catch (std::exception const &e) | 
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| 319 | {   COUT(1) << "Error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl;   } | 
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| 320 |  | 
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| 321 | return i; | 
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| 322 | } | 
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| 323 |  | 
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| 324 | TclInterpreterBundle* TclThreadManager::getInterpreterBundle(unsigned int threadID) | 
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| 325 | { | 
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| 326 | boost::mutex::scoped_lock bundles_lock(this->bundlesMutex_); | 
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| 327 | std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.find(threadID); | 
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| 328 | if (it != this->interpreterBundles_.end()) | 
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| 329 | { | 
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| 330 | return (*it).second; | 
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| 331 | } | 
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| 332 | else | 
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| 333 | { | 
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| 334 | this->error("Error: No Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + " existing."); | 
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| 335 | return 0; | 
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| 336 | } | 
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| 337 | } | 
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| 338 |  | 
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| 339 | std::string TclThreadManager::dumpList(const std::list<unsigned int>& list) | 
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| 340 | { | 
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| 341 | std::string output = ""; | 
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| 342 | for (std::list<unsigned int>::const_iterator it = list.begin(); it != list.end(); ++it) | 
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| 343 | { | 
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| 344 | if (it != list.begin()) | 
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| 345 | output += " "; | 
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| 346 |  | 
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| 347 | output += getConvertedValue<unsigned int, std::string>(*it); | 
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| 348 | } | 
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| 349 | return output; | 
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| 350 | } | 
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| 351 |  | 
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| 352 | void TclThreadManager::error(const std::string& error) | 
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| 353 | { | 
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| 354 | #if (BOOST_VERSION >= 103500) | 
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| 355 | if (boost::this_thread::get_id() != this->threadID_) | 
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| 356 | #else | 
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| 357 | if (boost::thread() != this->threadID_) | 
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| 358 | #endif | 
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| 359 | { | 
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| 360 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 361 | if (this->orxonoxInterpreterBundle_.queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) | 
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| 362 | { | 
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| 363 | #if (BOOST_VERSION >= 103500) | 
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| 364 | boost::this_thread::yield(); | 
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| 365 | #else | 
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| 366 | boost::thread::yield(); | 
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| 367 | #endif | 
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| 368 | return; | 
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| 369 | } | 
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| 370 | } | 
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| 371 |  | 
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| 372 | this->forceCommandToFrontOfQueue("error " + error); | 
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| 373 | } | 
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| 374 |  | 
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| 375 | void TclThreadManager::debug(const std::string& error) | 
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| 376 | { | 
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| 377 | #if (BOOST_VERSION >= 103500) | 
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| 378 | if (boost::this_thread::get_id() != this->threadID_) | 
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| 379 | #else | 
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| 380 | if (boost::thread() != this->threadID_) | 
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| 381 | #endif | 
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| 382 | { | 
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| 383 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 384 | if (this->orxonoxInterpreterBundle_.queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) | 
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| 385 | { | 
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| 386 | #if (BOOST_VERSION >= 103500) | 
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| 387 | boost::this_thread::yield(); | 
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| 388 | #else | 
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| 389 | boost::thread::yield(); | 
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| 390 | #endif | 
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| 391 | return; | 
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| 392 | } | 
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| 393 | } | 
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| 394 |  | 
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| 395 | this->forceCommandToFrontOfQueue("debug " + error); | 
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| 396 | } | 
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| 397 |  | 
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| 398 | void TclThreadManager::pushCommandToQueue(const std::string& command) | 
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| 399 | { | 
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| 400 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 401 | while (this->orxonoxInterpreterBundle_.queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) | 
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| 402 | this->fullQueueCondition_.wait(queue_lock); | 
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| 403 |  | 
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| 404 | this->orxonoxInterpreterBundle_.queue_.push_back(command); | 
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| 405 | } | 
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| 406 |  | 
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| 407 | void TclThreadManager::forceCommandToFrontOfQueue(const std::string& command) | 
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| 408 | { | 
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| 409 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 410 | this->orxonoxInterpreterBundle_.queue_.push_front(command); | 
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| 411 | } | 
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| 412 |  | 
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| 413 | std::string TclThreadManager::popCommandFromQueue() | 
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| 414 | { | 
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| 415 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 416 | std::string temp = this->orxonoxInterpreterBundle_.queue_.front(); | 
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| 417 | this->orxonoxInterpreterBundle_.queue_.pop_front(); | 
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| 418 | this->fullQueueCondition_.notify_one(); | 
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| 419 | return temp; | 
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| 420 | } | 
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| 421 |  | 
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| 422 | bool TclThreadManager::queueIsEmpty() | 
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| 423 | { | 
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| 424 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_.queueMutex_); | 
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| 425 | return this->orxonoxInterpreterBundle_.queue_.empty(); | 
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| 426 | } | 
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| 427 |  | 
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| 428 | void TclThreadManager::pushCommandToQueue(unsigned int threadID, const std::string& command) | 
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| 429 | { | 
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| 430 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); | 
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| 431 | if (bundle) | 
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| 432 | { | 
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| 433 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
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| 434 | if (bundle->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) | 
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| 435 | { | 
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| 436 | this->error("Error: Queue of Tcl-interpreter " + getConvertedValue<unsigned int, std::string>(threadID) + " is full, couldn't add command."); | 
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| 437 | return; | 
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| 438 | } | 
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| 439 |  | 
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| 440 | bundle->queue_.push_back(command); | 
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| 441 | } | 
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| 442 | } | 
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| 443 |  | 
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| 444 | std::string TclThreadManager::popCommandFromQueue(unsigned int threadID) | 
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| 445 | { | 
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| 446 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); | 
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| 447 | if (bundle) | 
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| 448 | { | 
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| 449 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
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| 450 | std::string temp = bundle->queue_.front(); | 
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| 451 | bundle->queue_.pop_front(); | 
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| 452 | return temp; | 
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| 453 | } | 
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| 454 | return ""; | 
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| 455 | } | 
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| 456 |  | 
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| 457 | bool TclThreadManager::queueIsEmpty(unsigned int threadID) | 
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| 458 | { | 
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| 459 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); | 
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| 460 | if (bundle) | 
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| 461 | { | 
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| 462 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
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| 463 | return bundle->queue_.empty(); | 
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| 464 | } | 
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| 465 | return true; | 
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| 466 | } | 
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| 467 |  | 
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| 468 | bool TclThreadManager::updateQueriersList(TclInterpreterBundle* querier, TclInterpreterBundle* target) | 
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| 469 | { | 
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| 470 | if (querier == target) | 
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| 471 | return false; | 
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| 472 |  | 
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| 473 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); | 
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| 474 |  | 
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| 475 | { | 
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| 476 | boost::mutex::scoped_lock queriers_lock(querier->queriersMutex_); | 
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| 477 | target->queriers_.insert(target->queriers_.end(), querier->queriers_.begin(), querier->queriers_.end()); | 
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| 478 | } | 
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| 479 |  | 
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| 480 | target->queriers_.insert(target->queriers_.end(), querier->id_); | 
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| 481 |  | 
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| 482 | if (std::find(target->queriers_.begin(), target->queriers_.end(), target->id_) != target->queriers_.end()) | 
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| 483 | { | 
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| 484 | this->error("Error: Circular query (" + this->dumpList(target->queriers_) + " -> " + getConvertedValue<unsigned int, std::string>(target->id_) + "), couldn't query Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(target->id_) + " from other interpreter with ID " + getConvertedValue<unsigned int, std::string>(querier->id_) + "."); | 
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| 485 | return false; | 
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| 486 | } | 
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| 487 |  | 
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| 488 | return true; | 
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| 489 | } | 
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| 490 |  | 
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| 491 | std::string TclThreadManager::evalQuery(unsigned int querierID, const std::string& command) | 
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| 492 | { | 
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| 493 | TclInterpreterBundle* querier = this->getInterpreterBundle(querierID); | 
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| 494 | std::string output = ""; | 
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| 495 | if (querier) | 
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| 496 | { | 
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| 497 | if (this->updateQueriersList(querier, &this->orxonoxInterpreterBundle_)) | 
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| 498 | { | 
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| 499 | #if (BOOST_VERSION >= 103500) | 
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| 500 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
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| 501 | #else | 
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| 502 | boost::try_mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
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| 503 | #endif | 
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| 504 | this->orxonoxEvalCondition_.wait(interpreter_lock); | 
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| 505 |  | 
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| 506 | if (!CommandExecutor::execute(command, false)) | 
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| 507 | this->error("Error: Can't execute command \"" + command + "\"!"); | 
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| 508 |  | 
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| 509 | if (CommandExecutor::getLastEvaluation().hasReturnvalue()) | 
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| 510 | output = CommandExecutor::getLastEvaluation().getReturnvalue().toString(); | 
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| 511 | } | 
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| 512 |  | 
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| 513 | boost::mutex::scoped_lock queriers_lock(this->orxonoxInterpreterBundle_.queriersMutex_); | 
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| 514 | this->orxonoxInterpreterBundle_.queriers_.clear(); | 
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| 515 | } | 
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| 516 | return output; | 
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| 517 | } | 
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| 518 |  | 
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| 519 | std::string TclThreadManager::evalQuery(unsigned int querierID, unsigned int threadID, const std::string& command) | 
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| 520 | { | 
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| 521 | TclInterpreterBundle* target = 0; | 
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| 522 | if (threadID) | 
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| 523 | target = this->getInterpreterBundle(threadID); | 
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| 524 | else | 
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| 525 | target = &this->orxonoxInterpreterBundle_; | 
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| 526 |  | 
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| 527 | std::string output = ""; | 
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| 528 | if (target) | 
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| 529 | { | 
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| 530 | TclInterpreterBundle* querier = 0; | 
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| 531 | if (querierID) | 
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| 532 | querier = this->getInterpreterBundle(querierID); | 
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| 533 | else | 
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| 534 | querier = &this->orxonoxInterpreterBundle_; | 
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| 535 |  | 
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| 536 | if (querier) | 
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| 537 | { | 
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| 538 | if (this->updateQueriersList(querier, target)) | 
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| 539 | { | 
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| 540 | #if (BOOST_VERSION >= 103500) | 
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| 541 | boost::mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); | 
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| 542 | #else | 
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| 543 | boost::try_mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); | 
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| 544 | #endif | 
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| 545 | bool successfullyLocked = false; | 
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| 546 | try | 
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| 547 | { | 
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| 548 | if (querierID == 0 || std::find(querier->queriers_.begin(), querier->queriers_.end(), (unsigned int)0) != querier->queriers_.end()) | 
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| 549 | successfullyLocked = interpreter_lock.try_lock(); | 
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| 550 | else | 
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| 551 | { | 
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| 552 | while (!interpreter_lock.try_lock()) | 
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| 553 | { | 
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| 554 | #if (BOOST_VERSION >= 103500) | 
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| 555 | boost::this_thread::yield(); | 
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| 556 | #else | 
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| 557 | boost::thread::yield(); | 
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| 558 | #endif | 
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| 559 | } | 
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| 560 |  | 
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| 561 | successfullyLocked = true; | 
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| 562 | } | 
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| 563 | } catch (...) {} | 
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| 564 |  | 
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| 565 | if (successfullyLocked) | 
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| 566 | { | 
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| 567 | this->debug("TclThread_query: " + command); | 
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| 568 | try | 
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| 569 | {   output = (std::string)target->interpreter_->eval(command);   } | 
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| 570 | catch (Tcl::tcl_error const &e) | 
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| 571 | {   this->error("Tcl error: " + (std::string)e.what());   } | 
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| 572 | catch (std::exception const &e) | 
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| 573 | {   this->error("Error while executing Tcl: " + (std::string)e.what());   } | 
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| 574 | } | 
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| 575 | else | 
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| 576 | { | 
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| 577 | this->error("Error: Couldn't query Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + ", interpreter is busy right now."); | 
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| 578 | } | 
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| 579 | } | 
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| 580 |  | 
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| 581 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); | 
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| 582 | target->queriers_.clear(); | 
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| 583 | } | 
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| 584 | } | 
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| 585 | return output; | 
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| 586 | } | 
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| 587 |  | 
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| 588 | void TclThreadManager::tick(float dt) | 
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| 589 | { | 
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| 590 | { | 
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| 591 | this->orxonoxEvalCondition_.notify_one(); | 
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| 592 | #if (BOOST_VERSION >= 103500) | 
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| 593 | boost::this_thread::yield(); | 
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| 594 | #else | 
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| 595 | boost::thread::yield(); | 
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| 596 | #endif | 
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| 597 | } | 
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| 598 |  | 
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| 599 | { | 
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| 600 | boost::mutex::scoped_lock bundles_lock(this->bundlesMutex_); | 
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| 601 | for (std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) | 
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| 602 | { | 
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| 603 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); | 
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| 604 | if (!(*it).second->queue_.empty()) | 
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| 605 | { | 
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| 606 | std::string command = (*it).second->queue_.front(); | 
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| 607 | (*it).second->queue_.pop_front(); | 
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| 608 | { | 
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| 609 | boost::mutex::scoped_lock finished_lock((*it).second->finishedMutex_); | 
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| 610 | (*it).second->finished_ = false; | 
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| 611 | } | 
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| 612 | boost::thread(boost::bind(&tclThread, (*it).second, command)); | 
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| 613 | } | 
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| 614 | } | 
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| 615 | } | 
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| 616 |  | 
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| 617 | { | 
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| 618 | #if (BOOST_VERSION >= 103500) | 
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| 619 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
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| 620 | #else | 
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| 621 | boost::try_mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
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| 622 | #endif | 
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| 623 | unsigned long maxtime = (unsigned long)(dt * 1000000 * TCLTHREADMANAGER_MAX_CPU_USAGE); | 
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| 624 | Ogre::Timer timer; | 
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| 625 | while (!this->queueIsEmpty()) | 
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| 626 | { | 
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| 627 | CommandExecutor::execute(this->popCommandFromQueue(), false); | 
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| 628 | if (timer.getMicroseconds() > maxtime) | 
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| 629 | break; | 
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| 630 | } | 
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| 631 | } | 
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| 632 | } | 
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| 633 |  | 
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| 634 | std::list<unsigned int> TclThreadManager::getThreadList() const | 
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| 635 | { | 
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| 636 | boost::mutex::scoped_lock bundles_lock(TclThreadManager::getInstance().bundlesMutex_); | 
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| 637 | std::list<unsigned int> threads; | 
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| 638 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) | 
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| 639 | threads.push_back((*it).first); | 
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| 640 | return threads; | 
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| 641 | } | 
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| 642 |  | 
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| 643 | void tclThread(TclInterpreterBundle* interpreterBundle, std::string command) | 
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| 644 | { | 
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| 645 | TclThreadManager::getInstance().debug("TclThread_execute: " + command); | 
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| 646 | #if (BOOST_VERSION >= 103500) | 
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| 647 | boost::mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); | 
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| 648 | #else | 
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| 649 | boost::try_mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); | 
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| 650 | #endif | 
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| 651 | try | 
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| 652 | { | 
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| 653 | interpreterBundle->interpreter_->eval(command); | 
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| 654 | } | 
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| 655 | catch (Tcl::tcl_error const &e) | 
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| 656 | { | 
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| 657 | TclThreadManager::getInstance().error("Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + ") error: " + e.what()); | 
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| 658 | } | 
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| 659 | catch (std::exception const &e) | 
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| 660 | { | 
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| 661 | TclThreadManager::getInstance().error("Error while executing Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + "): " + e.what()); | 
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| 662 | } | 
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| 663 |  | 
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| 664 | boost::mutex::scoped_lock finished_lock(interpreterBundle->finishedMutex_); | 
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| 665 | interpreterBundle->finished_ = true; | 
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| 666 | interpreterBundle->finishedCondition_.notify_all(); | 
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| 667 | } | 
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| 668 | } | 
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