| [1505] | 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) | 
|---|
|  | 445 | { | 
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|  | 446 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); | 
|---|
|  | 447 | if (bundle) | 
|---|
|  | 448 | { | 
|---|
|  | 449 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
|---|
|  | 450 | std::string temp = bundle->queue_.front(); | 
|---|
|  | 451 | bundle->queue_.pop_front(); | 
|---|
|  | 452 | return temp; | 
|---|
|  | 453 | } | 
|---|
|  | 454 | return ""; | 
|---|
|  | 455 | } | 
|---|
|  | 456 |  | 
|---|
|  | 457 | bool TclThreadManager::queueIsEmpty(unsigned int threadID) | 
|---|
|  | 458 | { | 
|---|
|  | 459 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); | 
|---|
|  | 460 | if (bundle) | 
|---|
|  | 461 | { | 
|---|
|  | 462 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); | 
|---|
|  | 463 | return bundle->queue_.empty(); | 
|---|
|  | 464 | } | 
|---|
|  | 465 | return true; | 
|---|
|  | 466 | } | 
|---|
|  | 467 |  | 
|---|
|  | 468 | bool TclThreadManager::updateQueriersList(TclInterpreterBundle* querier, TclInterpreterBundle* target) | 
|---|
|  | 469 | { | 
|---|
|  | 470 | if (querier == target) | 
|---|
|  | 471 | return false; | 
|---|
|  | 472 |  | 
|---|
|  | 473 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); | 
|---|
|  | 474 |  | 
|---|
|  | 475 | { | 
|---|
|  | 476 | boost::mutex::scoped_lock queriers_lock(querier->queriersMutex_); | 
|---|
|  | 477 | target->queriers_.insert(target->queriers_.end(), querier->queriers_.begin(), querier->queriers_.end()); | 
|---|
|  | 478 | } | 
|---|
|  | 479 |  | 
|---|
|  | 480 | target->queriers_.insert(target->queriers_.end(), querier->id_); | 
|---|
|  | 481 |  | 
|---|
|  | 482 | if (std::find(target->queriers_.begin(), target->queriers_.end(), target->id_) != target->queriers_.end()) | 
|---|
|  | 483 | { | 
|---|
|  | 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_) + "."); | 
|---|
|  | 485 | return false; | 
|---|
|  | 486 | } | 
|---|
|  | 487 |  | 
|---|
|  | 488 | return true; | 
|---|
|  | 489 | } | 
|---|
|  | 490 |  | 
|---|
|  | 491 | std::string TclThreadManager::evalQuery(unsigned int querierID, const std::string& command) | 
|---|
|  | 492 | { | 
|---|
|  | 493 | TclInterpreterBundle* querier = this->getInterpreterBundle(querierID); | 
|---|
|  | 494 | std::string output = ""; | 
|---|
|  | 495 | if (querier) | 
|---|
|  | 496 | { | 
|---|
|  | 497 | if (this->updateQueriersList(querier, &this->orxonoxInterpreterBundle_)) | 
|---|
|  | 498 | { | 
|---|
|  | 499 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 500 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
|---|
|  | 501 | #else | 
|---|
|  | 502 | boost::try_mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
|---|
|  | 503 | #endif | 
|---|
|  | 504 | this->orxonoxEvalCondition_.wait(interpreter_lock); | 
|---|
|  | 505 |  | 
|---|
|  | 506 | if (!CommandExecutor::execute(command, false)) | 
|---|
|  | 507 | this->error("Error: Can't execute command \"" + command + "\"!"); | 
|---|
|  | 508 |  | 
|---|
|  | 509 | if (CommandExecutor::getLastEvaluation().hasReturnvalue()) | 
|---|
|  | 510 | output = CommandExecutor::getLastEvaluation().getReturnvalue().toString(); | 
|---|
|  | 511 | } | 
|---|
|  | 512 |  | 
|---|
|  | 513 | boost::mutex::scoped_lock queriers_lock(this->orxonoxInterpreterBundle_.queriersMutex_); | 
|---|
|  | 514 | this->orxonoxInterpreterBundle_.queriers_.clear(); | 
|---|
|  | 515 | } | 
|---|
|  | 516 | return output; | 
|---|
|  | 517 | } | 
|---|
|  | 518 |  | 
|---|
|  | 519 | std::string TclThreadManager::evalQuery(unsigned int querierID, unsigned int threadID, const std::string& command) | 
|---|
|  | 520 | { | 
|---|
|  | 521 | TclInterpreterBundle* target = 0; | 
|---|
|  | 522 | if (threadID) | 
|---|
|  | 523 | target = this->getInterpreterBundle(threadID); | 
|---|
|  | 524 | else | 
|---|
|  | 525 | target = &this->orxonoxInterpreterBundle_; | 
|---|
|  | 526 |  | 
|---|
|  | 527 | std::string output = ""; | 
|---|
|  | 528 | if (target) | 
|---|
|  | 529 | { | 
|---|
|  | 530 | TclInterpreterBundle* querier = 0; | 
|---|
|  | 531 | if (querierID) | 
|---|
|  | 532 | querier = this->getInterpreterBundle(querierID); | 
|---|
|  | 533 | else | 
|---|
|  | 534 | querier = &this->orxonoxInterpreterBundle_; | 
|---|
|  | 535 |  | 
|---|
|  | 536 | if (querier) | 
|---|
|  | 537 | { | 
|---|
|  | 538 | if (this->updateQueriersList(querier, target)) | 
|---|
|  | 539 | { | 
|---|
|  | 540 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 541 | boost::mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); | 
|---|
|  | 542 | #else | 
|---|
|  | 543 | boost::try_mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); | 
|---|
|  | 544 | #endif | 
|---|
|  | 545 | bool successfullyLocked = false; | 
|---|
|  | 546 | try | 
|---|
|  | 547 | { | 
|---|
|  | 548 | if (querierID == 0 || std::find(querier->queriers_.begin(), querier->queriers_.end(), (unsigned int)0) != querier->queriers_.end()) | 
|---|
|  | 549 | successfullyLocked = interpreter_lock.try_lock(); | 
|---|
|  | 550 | else | 
|---|
|  | 551 | { | 
|---|
|  | 552 | while (!interpreter_lock.try_lock()) | 
|---|
|  | 553 | { | 
|---|
|  | 554 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 555 | boost::this_thread::yield(); | 
|---|
|  | 556 | #else | 
|---|
|  | 557 | boost::thread::yield(); | 
|---|
|  | 558 | #endif | 
|---|
|  | 559 | } | 
|---|
|  | 560 |  | 
|---|
|  | 561 | successfullyLocked = true; | 
|---|
|  | 562 | } | 
|---|
|  | 563 | } catch (...) {} | 
|---|
|  | 564 |  | 
|---|
|  | 565 | if (successfullyLocked) | 
|---|
|  | 566 | { | 
|---|
|  | 567 | this->debug("TclThread_query: " + command); | 
|---|
|  | 568 | try | 
|---|
|  | 569 | {   output = (std::string)target->interpreter_->eval(command);   } | 
|---|
|  | 570 | catch (Tcl::tcl_error const &e) | 
|---|
|  | 571 | {   this->error("Tcl error: " + (std::string)e.what());   } | 
|---|
|  | 572 | catch (std::exception const &e) | 
|---|
|  | 573 | {   this->error("Error while executing Tcl: " + (std::string)e.what());   } | 
|---|
|  | 574 | } | 
|---|
|  | 575 | else | 
|---|
|  | 576 | { | 
|---|
|  | 577 | this->error("Error: Couldn't query Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + ", interpreter is busy right now."); | 
|---|
|  | 578 | } | 
|---|
|  | 579 | } | 
|---|
|  | 580 |  | 
|---|
|  | 581 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); | 
|---|
|  | 582 | target->queriers_.clear(); | 
|---|
|  | 583 | } | 
|---|
|  | 584 | } | 
|---|
|  | 585 | return output; | 
|---|
|  | 586 | } | 
|---|
|  | 587 |  | 
|---|
|  | 588 | void TclThreadManager::tick(float dt) | 
|---|
|  | 589 | { | 
|---|
|  | 590 | { | 
|---|
|  | 591 | this->orxonoxEvalCondition_.notify_one(); | 
|---|
|  | 592 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 593 | boost::this_thread::yield(); | 
|---|
|  | 594 | #else | 
|---|
|  | 595 | boost::thread::yield(); | 
|---|
|  | 596 | #endif | 
|---|
|  | 597 | } | 
|---|
|  | 598 |  | 
|---|
|  | 599 | { | 
|---|
|  | 600 | boost::mutex::scoped_lock bundles_lock(this->bundlesMutex_); | 
|---|
|  | 601 | for (std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) | 
|---|
|  | 602 | { | 
|---|
|  | 603 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); | 
|---|
|  | 604 | if (!(*it).second->queue_.empty()) | 
|---|
|  | 605 | { | 
|---|
|  | 606 | std::string command = (*it).second->queue_.front(); | 
|---|
|  | 607 | (*it).second->queue_.pop_front(); | 
|---|
|  | 608 | { | 
|---|
|  | 609 | boost::mutex::scoped_lock finished_lock((*it).second->finishedMutex_); | 
|---|
|  | 610 | (*it).second->finished_ = false; | 
|---|
|  | 611 | } | 
|---|
|  | 612 | boost::thread(boost::bind(&tclThread, (*it).second, command)); | 
|---|
|  | 613 | } | 
|---|
|  | 614 | } | 
|---|
|  | 615 | } | 
|---|
|  | 616 |  | 
|---|
|  | 617 | { | 
|---|
|  | 618 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 619 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
|---|
|  | 620 | #else | 
|---|
|  | 621 | boost::try_mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_.interpreterMutex_); | 
|---|
|  | 622 | #endif | 
|---|
|  | 623 | unsigned long maxtime = (unsigned long)(dt * 1000000 * TCLTHREADMANAGER_MAX_CPU_USAGE); | 
|---|
|  | 624 | Ogre::Timer timer; | 
|---|
|  | 625 | while (!this->queueIsEmpty()) | 
|---|
|  | 626 | { | 
|---|
|  | 627 | CommandExecutor::execute(this->popCommandFromQueue(), false); | 
|---|
|  | 628 | if (timer.getMicroseconds() > maxtime) | 
|---|
|  | 629 | break; | 
|---|
|  | 630 | } | 
|---|
|  | 631 | } | 
|---|
|  | 632 | } | 
|---|
|  | 633 |  | 
|---|
|  | 634 | std::list<unsigned int> TclThreadManager::getThreadList() const | 
|---|
|  | 635 | { | 
|---|
|  | 636 | boost::mutex::scoped_lock bundles_lock(TclThreadManager::getInstance().bundlesMutex_); | 
|---|
|  | 637 | std::list<unsigned int> threads; | 
|---|
|  | 638 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) | 
|---|
|  | 639 | threads.push_back((*it).first); | 
|---|
|  | 640 | return threads; | 
|---|
|  | 641 | } | 
|---|
|  | 642 |  | 
|---|
|  | 643 | void tclThread(TclInterpreterBundle* interpreterBundle, std::string command) | 
|---|
|  | 644 | { | 
|---|
|  | 645 | TclThreadManager::getInstance().debug("TclThread_execute: " + command); | 
|---|
|  | 646 | #if (BOOST_VERSION >= 103500) | 
|---|
|  | 647 | boost::mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); | 
|---|
|  | 648 | #else | 
|---|
|  | 649 | boost::try_mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); | 
|---|
|  | 650 | #endif | 
|---|
|  | 651 | try | 
|---|
|  | 652 | { | 
|---|
|  | 653 | interpreterBundle->interpreter_->eval(command); | 
|---|
|  | 654 | } | 
|---|
|  | 655 | catch (Tcl::tcl_error const &e) | 
|---|
|  | 656 | { | 
|---|
|  | 657 | TclThreadManager::getInstance().error("Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + ") error: " + e.what()); | 
|---|
|  | 658 | } | 
|---|
|  | 659 | catch (std::exception const &e) | 
|---|
|  | 660 | { | 
|---|
|  | 661 | TclThreadManager::getInstance().error("Error while executing Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + "): " + e.what()); | 
|---|
|  | 662 | } | 
|---|
|  | 663 |  | 
|---|
|  | 664 | boost::mutex::scoped_lock finished_lock(interpreterBundle->finishedMutex_); | 
|---|
|  | 665 | interpreterBundle->finished_ = true; | 
|---|
|  | 666 | interpreterBundle->finishedCondition_.notify_all(); | 
|---|
|  | 667 | } | 
|---|
|  | 668 | } | 
|---|