[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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[1792] | 29 | #include "TclThreadManager.h" |
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| 30 | |
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[1505] | 31 | #include <boost/bind.hpp> |
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[3264] | 32 | #include <boost/thread/condition.hpp> |
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| 33 | #include <boost/thread/mutex.hpp> |
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| 34 | #include <boost/thread/thread.hpp> |
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[1505] | 35 | #include <OgreTimer.h> |
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[3196] | 36 | #include <cpptcl/cpptcl.h> |
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[1505] | 37 | |
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[3196] | 38 | #include "util/Convert.h" |
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| 39 | #include "util/Debug.h" |
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[2896] | 40 | #include "Clock.h" |
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[3196] | 41 | #include "CommandExecutor.h" |
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| 42 | #include "ConsoleCommand.h" |
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[1505] | 43 | #include "CoreIncludes.h" |
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| 44 | #include "TclBind.h" |
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| 45 | |
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| 46 | namespace orxonox |
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| 47 | { |
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[1786] | 48 | const unsigned int TCLTHREADMANAGER_MAX_QUEUE_LENGTH = 100; |
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| 49 | const float TCLTHREADMANAGER_MAX_CPU_USAGE = 0.50f; |
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[1784] | 50 | |
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[1747] | 51 | SetConsoleCommandShortcutAlias(TclThreadManager, execute, "tclexecute").argumentCompleter(0, autocompletion::tclthreads()); |
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| 52 | SetConsoleCommandShortcutAlias(TclThreadManager, query, "tclquery" ).argumentCompleter(0, autocompletion::tclthreads()); |
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[1505] | 53 | SetConsoleCommand(TclThreadManager, create, false); |
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[1747] | 54 | SetConsoleCommand(TclThreadManager, destroy, false).argumentCompleter(0, autocompletion::tclthreads()); |
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| 55 | SetConsoleCommand(TclThreadManager, execute, false).argumentCompleter(0, autocompletion::tclthreads()); |
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| 56 | SetConsoleCommand(TclThreadManager, query, false).argumentCompleter(0, autocompletion::tclthreads()); |
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[1505] | 57 | SetConsoleCommand(TclThreadManager, status, false); |
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[1747] | 58 | SetConsoleCommand(TclThreadManager, dump, false).argumentCompleter(0, autocompletion::tclthreads()); |
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| 59 | SetConsoleCommand(TclThreadManager, flush, false).argumentCompleter(0, autocompletion::tclthreads()); |
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[1505] | 60 | |
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[3264] | 61 | struct TclInterpreterBundle |
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| 62 | { |
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| 63 | unsigned int id_; |
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| 64 | |
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| 65 | std::list<std::string> queue_; |
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| 66 | boost::mutex queueMutex_; |
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| 67 | |
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| 68 | Tcl::interpreter* interpreter_; |
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| 69 | std::string interpreterName_; |
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| 70 | boost::try_mutex interpreterMutex_; |
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| 71 | |
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| 72 | std::list<unsigned int> queriers_; |
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| 73 | boost::mutex queriersMutex_; |
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| 74 | |
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| 75 | bool running_; |
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| 76 | boost::mutex runningMutex_; |
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| 77 | |
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| 78 | bool finished_; |
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| 79 | boost::mutex finishedMutex_; |
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| 80 | boost::condition finishedCondition_; |
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| 81 | }; |
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| 82 | |
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| 83 | |
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| 84 | static boost::thread::id threadID_g; |
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| 85 | static boost::mutex bundlesMutex_g; |
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| 86 | static boost::condition fullQueueCondition_g; |
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| 87 | static boost::condition orxonoxEvalCondition_g; |
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| 88 | |
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[1792] | 89 | TclThreadManager* TclThreadManager::singletonRef_s = 0; |
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| 90 | |
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| 91 | TclThreadManager::TclThreadManager(Tcl::interpreter* interpreter) |
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[1505] | 92 | { |
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| 93 | RegisterRootObject(TclThreadManager); |
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| 94 | |
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[1792] | 95 | assert(singletonRef_s == 0); |
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| 96 | singletonRef_s = this; |
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| 97 | |
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[1505] | 98 | this->threadCounter_ = 0; |
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[3264] | 99 | this->orxonoxInterpreterBundle_->id_ = 0; |
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| 100 | this->orxonoxInterpreterBundle_->interpreter_ = interpreter; |
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| 101 | threadID_g = boost::this_thread::get_id(); |
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[1505] | 102 | } |
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| 103 | |
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[1747] | 104 | TclThreadManager::~TclThreadManager() |
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| 105 | { |
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| 106 | unsigned int threadID; |
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| 107 | { |
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[3264] | 108 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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[1747] | 109 | if (this->interpreterBundles_.begin() == this->interpreterBundles_.end()) |
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| 110 | return; |
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| 111 | else |
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| 112 | threadID = this->interpreterBundles_.begin()->first; |
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| 113 | } |
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| 114 | this->destroy(threadID); |
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| 115 | |
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[1792] | 116 | singletonRef_s = 0; |
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[1505] | 117 | } |
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| 118 | |
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| 119 | unsigned int TclThreadManager::create() |
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| 120 | { |
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[3264] | 121 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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[1505] | 122 | TclThreadManager::getInstance().threadCounter_++; |
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| 123 | std::string name = getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().threadCounter_); |
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| 124 | |
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| 125 | TclInterpreterBundle* bundle = new TclInterpreterBundle; |
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| 126 | bundle->id_ = TclThreadManager::getInstance().threadCounter_; |
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| 127 | bundle->interpreter_ = TclThreadManager::getInstance().createNewTclInterpreter(name); |
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| 128 | bundle->interpreterName_ = name; |
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| 129 | bundle->running_ = true; |
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| 130 | bundle->finished_ = true; |
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| 131 | |
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| 132 | TclThreadManager::getInstance().interpreterBundles_[TclThreadManager::getInstance().threadCounter_] = bundle; |
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| 133 | COUT(0) << "Created new Tcl-interpreter with ID " << TclThreadManager::getInstance().threadCounter_ << std::endl; |
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| 134 | return TclThreadManager::getInstance().threadCounter_; |
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| 135 | } |
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| 136 | |
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| 137 | unsigned int TclThreadManager::createID(unsigned int threadID) |
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| 138 | { |
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| 139 | unsigned int temp = TclThreadManager::getInstance().threadCounter_; |
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| 140 | TclThreadManager::getInstance().threadCounter_ = threadID - 1; |
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| 141 | TclThreadManager::create(); |
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| 142 | TclThreadManager::getInstance().threadCounter_ = temp; |
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| 143 | return threadID; |
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| 144 | } |
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| 145 | |
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| 146 | void TclThreadManager::destroy(unsigned int threadID) |
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| 147 | { |
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| 148 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID); |
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| 149 | if (bundle) |
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| 150 | { |
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| 151 | { |
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| 152 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); |
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| 153 | bundle->running_ = false; |
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| 154 | } |
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| 155 | while (true) |
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| 156 | { |
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| 157 | { |
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| 158 | boost::mutex::scoped_lock finished_lock(bundle->finishedMutex_); |
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| 159 | if (bundle->finished_) |
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| 160 | { |
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[3264] | 161 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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[1505] | 162 | boost::mutex::scoped_try_lock interpreter_lock(bundle->interpreterMutex_); |
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| 163 | try |
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| 164 | { |
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| 165 | while (!interpreter_lock.try_lock()) |
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| 166 | { |
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[3264] | 167 | orxonoxEvalCondition_g.notify_one(); |
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[1505] | 168 | boost::this_thread::yield(); |
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| 169 | } |
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| 170 | } catch (...) {} |
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| 171 | delete bundle->interpreter_; |
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| 172 | delete bundle; |
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| 173 | TclThreadManager::getInstance().interpreterBundles_.erase(threadID); |
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| 174 | break; |
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| 175 | } |
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| 176 | } |
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| 177 | |
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[3264] | 178 | orxonoxEvalCondition_g.notify_one(); |
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[1505] | 179 | boost::this_thread::yield(); |
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| 180 | } |
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| 181 | |
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| 182 | COUT(0) << "Destroyed Tcl-interpreter with ID " << threadID << std::endl; |
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| 183 | } |
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| 184 | } |
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| 185 | |
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| 186 | void TclThreadManager::execute(unsigned int threadID, const std::string& _command) |
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| 187 | { |
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| 188 | std::string command = stripEnclosingBraces(_command); |
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| 189 | |
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| 190 | if (threadID == 0) |
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| 191 | TclThreadManager::getInstance().pushCommandToQueue(command); |
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| 192 | else |
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| 193 | TclThreadManager::getInstance().pushCommandToQueue(threadID, command); |
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| 194 | } |
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| 195 | |
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| 196 | std::string TclThreadManager::query(unsigned int threadID, const std::string& command) |
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| 197 | { |
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[3264] | 198 | return TclThreadManager::getInstance().evalQuery(TclThreadManager::getInstance().orxonoxInterpreterBundle_->id_, threadID, command); |
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[1505] | 199 | } |
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| 200 | |
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| 201 | void TclThreadManager::status() |
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| 202 | { |
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| 203 | COUT(0) << "Thread ID" << '\t' << "Queue size" << '\t' << "State" << std::endl; |
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| 204 | |
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| 205 | std::string output = "Orxonox"; |
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| 206 | output += "\t\t"; |
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| 207 | { |
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[3264] | 208 | boost::mutex::scoped_lock queue_lock(TclThreadManager::getInstance().orxonoxInterpreterBundle_->queueMutex_); |
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| 209 | output += getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().orxonoxInterpreterBundle_->queue_.size()); |
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[1505] | 210 | } |
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| 211 | output += "\t\t"; |
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| 212 | output += "busy"; |
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| 213 | COUT(0) << output << std::endl; |
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| 214 | |
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[3264] | 215 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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[1505] | 216 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = TclThreadManager::getInstance().interpreterBundles_.begin(); it != TclThreadManager::getInstance().interpreterBundles_.end(); ++it) |
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| 217 | { |
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| 218 | std::string output = getConvertedValue<unsigned int, std::string>((*it).first); |
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| 219 | output += "\t\t"; |
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| 220 | { |
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| 221 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); |
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| 222 | output += getConvertedValue<unsigned int, std::string>((*it).second->queue_.size()); |
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| 223 | } |
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| 224 | output += "\t\t"; |
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| 225 | { |
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| 226 | boost::mutex::scoped_try_lock interpreter_lock((*it).second->interpreterMutex_); |
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| 227 | if (interpreter_lock.try_lock()) |
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| 228 | output += "ready"; |
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| 229 | else |
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| 230 | output += "busy"; |
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| 231 | } |
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| 232 | COUT(0) << output << std::endl; |
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| 233 | } |
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| 234 | } |
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| 235 | |
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| 236 | void TclThreadManager::dump(unsigned int threadID) |
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| 237 | { |
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| 238 | TclInterpreterBundle* bundle = 0; |
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| 239 | if (threadID == 0) |
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| 240 | { |
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[3264] | 241 | bundle = TclThreadManager::getInstance().orxonoxInterpreterBundle_; |
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[1505] | 242 | COUT(0) << "Queue dump of Orxonox:" << std::endl; |
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| 243 | } |
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| 244 | else |
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| 245 | { |
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| 246 | if ((bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) |
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| 247 | { |
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| 248 | COUT(0) << "Queue dump of Tcl-thread " << threadID << ":" << std::endl; |
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| 249 | } |
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| 250 | else |
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| 251 | return; |
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| 252 | } |
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| 253 | |
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| 254 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 255 | unsigned int index = 0; |
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| 256 | for (std::list<std::string>::const_iterator it = bundle->queue_.begin(); it != bundle->queue_.end(); ++it) |
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| 257 | { |
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| 258 | index++; |
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| 259 | COUT(0) << index << ": " << (*it) << std::endl; |
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| 260 | } |
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| 261 | } |
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| 262 | |
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| 263 | void TclThreadManager::flush(unsigned int threadID) |
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| 264 | { |
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| 265 | TclInterpreterBundle* bundle = 0; |
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| 266 | if (threadID == 0) |
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[3264] | 267 | bundle = TclThreadManager::getInstance().orxonoxInterpreterBundle_; |
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[1505] | 268 | else |
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| 269 | if (!(bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) |
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| 270 | return; |
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| 271 | |
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| 272 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 273 | bundle->queue_.clear(); |
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| 274 | if (threadID == 0) |
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| 275 | { |
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| 276 | COUT(0) << "Flushed queue of Orxonox Tcl-interpreter." << std::endl; |
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| 277 | } |
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| 278 | else |
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| 279 | { |
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| 280 | COUT(0) << "Flushed queue of Tcl-interpreter " << threadID << "." << std::endl; |
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| 281 | } |
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| 282 | } |
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| 283 | |
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| 284 | void TclThreadManager::tcl_execute(Tcl::object const &args) |
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| 285 | { |
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| 286 | TclThreadManager::getInstance().pushCommandToQueue(stripEnclosingBraces(args.get())); |
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| 287 | } |
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| 288 | |
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| 289 | std::string TclThreadManager::tcl_query(int querierID, Tcl::object const &args) |
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| 290 | { |
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| 291 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, stripEnclosingBraces(args.get())); |
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| 292 | } |
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| 293 | |
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| 294 | std::string TclThreadManager::tcl_crossquery(int querierID, int threadID, Tcl::object const &args) |
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| 295 | { |
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| 296 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, (unsigned int)threadID, stripEnclosingBraces(args.get())); |
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| 297 | } |
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| 298 | |
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| 299 | bool TclThreadManager::tcl_running(int threadID) |
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| 300 | { |
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| 301 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle((unsigned int)threadID); |
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| 302 | if (bundle) |
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| 303 | { |
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| 304 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); |
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| 305 | return bundle->running_; |
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| 306 | } |
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| 307 | return false; |
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| 308 | } |
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| 309 | |
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| 310 | Tcl::interpreter* TclThreadManager::createNewTclInterpreter(const std::string& threadID) |
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| 311 | { |
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| 312 | Tcl::interpreter* i = 0; |
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| 313 | i = new Tcl::interpreter(TclBind::getInstance().getTclLibPath()); |
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| 314 | |
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| 315 | try |
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| 316 | { |
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| 317 | i->def("orxonox::query", TclThreadManager::tcl_query, Tcl::variadic()); |
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| 318 | i->def("orxonox::crossquery", TclThreadManager::tcl_crossquery, Tcl::variadic()); |
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| 319 | i->def("orxonox::execute", TclThreadManager::tcl_execute, Tcl::variadic()); |
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| 320 | i->def("orxonox::running", TclThreadManager::tcl_running); |
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| 321 | |
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| 322 | i->def("execute", TclThreadManager::tcl_execute, Tcl::variadic()); |
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| 323 | i->eval("proc query args { orxonox::query " + threadID + " $args }"); |
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| 324 | i->eval("proc crossquery {id args} { orxonox::crossquery " + threadID + " $id $args }"); |
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| 325 | i->eval("set id " + threadID); |
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| 326 | |
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| 327 | i->eval("rename exit tcl::exit"); |
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| 328 | i->eval("proc exit {} { orxonox TclThreadManager destroy " + threadID + " }"); |
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| 329 | |
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| 330 | i->eval("redef_puts"); |
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| 331 | |
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| 332 | // i->eval("rename while tcl::while"); |
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| 333 | // i->eval("proc while {test command} { tcl::while {[uplevel 1 expr $test]} {uplevel 1 $command} }"); // (\"$test\" && [orxonox::running " + threadID + "]]) |
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| 334 | // i->eval("rename for tcl::for"); |
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| 335 | // i->eval("proc for {start test next command} { uplevel tcl::for \"$start\" \"$test\" \"$next\" \"$command\" }"); |
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| 336 | } |
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| 337 | catch (Tcl::tcl_error const &e) |
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| 338 | { COUT(1) << "Tcl error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl; } |
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| 339 | catch (std::exception const &e) |
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| 340 | { COUT(1) << "Error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl; } |
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| 341 | |
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| 342 | return i; |
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| 343 | } |
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| 344 | |
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| 345 | TclInterpreterBundle* TclThreadManager::getInterpreterBundle(unsigned int threadID) |
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| 346 | { |
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[3264] | 347 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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[1505] | 348 | std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.find(threadID); |
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| 349 | if (it != this->interpreterBundles_.end()) |
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| 350 | { |
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| 351 | return (*it).second; |
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| 352 | } |
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| 353 | else |
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| 354 | { |
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| 355 | this->error("Error: No Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + " existing."); |
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| 356 | return 0; |
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| 357 | } |
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| 358 | } |
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| 359 | |
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[3264] | 360 | Tcl::interpreter* TclThreadManager::getTclInterpreter(unsigned int threadID) |
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| 361 | { |
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| 362 | return this->getInterpreterBundle(threadID)->interpreter_; |
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| 363 | } |
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| 364 | |
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[1505] | 365 | std::string TclThreadManager::dumpList(const std::list<unsigned int>& list) |
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| 366 | { |
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| 367 | std::string output = ""; |
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| 368 | for (std::list<unsigned int>::const_iterator it = list.begin(); it != list.end(); ++it) |
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| 369 | { |
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| 370 | if (it != list.begin()) |
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| 371 | output += " "; |
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| 372 | |
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| 373 | output += getConvertedValue<unsigned int, std::string>(*it); |
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| 374 | } |
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| 375 | return output; |
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| 376 | } |
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| 377 | |
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| 378 | void TclThreadManager::error(const std::string& error) |
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| 379 | { |
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[3264] | 380 | if (boost::this_thread::get_id() != threadID_g) |
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[1505] | 381 | { |
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[3264] | 382 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 383 | if (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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[1505] | 384 | { |
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| 385 | boost::this_thread::yield(); |
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| 386 | return; |
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| 387 | } |
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| 388 | } |
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| 389 | |
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| 390 | this->forceCommandToFrontOfQueue("error " + error); |
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| 391 | } |
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| 392 | |
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| 393 | void TclThreadManager::debug(const std::string& error) |
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| 394 | { |
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[3264] | 395 | if (boost::this_thread::get_id() != threadID_g) |
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[1505] | 396 | { |
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[3264] | 397 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 398 | if (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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[1505] | 399 | { |
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| 400 | boost::this_thread::yield(); |
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| 401 | return; |
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| 402 | } |
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| 403 | } |
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| 404 | |
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| 405 | this->forceCommandToFrontOfQueue("debug " + error); |
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| 406 | } |
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| 407 | |
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| 408 | void TclThreadManager::pushCommandToQueue(const std::string& command) |
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| 409 | { |
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[3264] | 410 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 411 | while (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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| 412 | fullQueueCondition_g.wait(queue_lock); |
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[1505] | 413 | |
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[3264] | 414 | this->orxonoxInterpreterBundle_->queue_.push_back(command); |
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[1505] | 415 | } |
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| 416 | |
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| 417 | void TclThreadManager::forceCommandToFrontOfQueue(const std::string& command) |
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| 418 | { |
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[3264] | 419 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 420 | this->orxonoxInterpreterBundle_->queue_.push_front(command); |
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[1505] | 421 | } |
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| 422 | |
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| 423 | std::string TclThreadManager::popCommandFromQueue() |
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| 424 | { |
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[3264] | 425 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 426 | std::string temp = this->orxonoxInterpreterBundle_->queue_.front(); |
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| 427 | this->orxonoxInterpreterBundle_->queue_.pop_front(); |
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| 428 | fullQueueCondition_g.notify_one(); |
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[1505] | 429 | return temp; |
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| 430 | } |
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| 431 | |
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| 432 | bool TclThreadManager::queueIsEmpty() |
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| 433 | { |
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[3264] | 434 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 435 | return this->orxonoxInterpreterBundle_->queue_.empty(); |
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[1505] | 436 | } |
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| 437 | |
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| 438 | void TclThreadManager::pushCommandToQueue(unsigned int threadID, const std::string& command) |
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| 439 | { |
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| 440 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
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| 441 | if (bundle) |
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| 442 | { |
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| 443 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 444 | if (bundle->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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| 445 | { |
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| 446 | this->error("Error: Queue of Tcl-interpreter " + getConvertedValue<unsigned int, std::string>(threadID) + " is full, couldn't add command."); |
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| 447 | return; |
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| 448 | } |
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| 449 | |
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| 450 | bundle->queue_.push_back(command); |
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| 451 | } |
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| 452 | } |
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| 453 | |
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| 454 | std::string TclThreadManager::popCommandFromQueue(unsigned int threadID) |
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| 455 | { |
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| 456 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
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| 457 | if (bundle) |
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| 458 | { |
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| 459 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 460 | std::string temp = bundle->queue_.front(); |
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| 461 | bundle->queue_.pop_front(); |
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| 462 | return temp; |
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| 463 | } |
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| 464 | return ""; |
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| 465 | } |
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| 466 | |
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| 467 | bool TclThreadManager::queueIsEmpty(unsigned int threadID) |
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| 468 | { |
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| 469 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
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| 470 | if (bundle) |
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| 471 | { |
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| 472 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 473 | return bundle->queue_.empty(); |
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| 474 | } |
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| 475 | return true; |
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| 476 | } |
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| 477 | |
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| 478 | bool TclThreadManager::updateQueriersList(TclInterpreterBundle* querier, TclInterpreterBundle* target) |
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| 479 | { |
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| 480 | if (querier == target) |
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| 481 | return false; |
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| 482 | |
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| 483 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); |
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| 484 | |
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| 485 | { |
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| 486 | boost::mutex::scoped_lock queriers_lock(querier->queriersMutex_); |
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| 487 | target->queriers_.insert(target->queriers_.end(), querier->queriers_.begin(), querier->queriers_.end()); |
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| 488 | } |
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| 489 | |
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| 490 | target->queriers_.insert(target->queriers_.end(), querier->id_); |
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| 491 | |
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| 492 | if (std::find(target->queriers_.begin(), target->queriers_.end(), target->id_) != target->queriers_.end()) |
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| 493 | { |
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| 494 | 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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| 495 | return false; |
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| 496 | } |
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| 497 | |
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| 498 | return true; |
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| 499 | } |
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| 500 | |
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| 501 | std::string TclThreadManager::evalQuery(unsigned int querierID, const std::string& command) |
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| 502 | { |
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| 503 | TclInterpreterBundle* querier = this->getInterpreterBundle(querierID); |
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| 504 | std::string output = ""; |
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| 505 | if (querier) |
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| 506 | { |
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[3264] | 507 | if (this->updateQueriersList(querier, this->orxonoxInterpreterBundle_)) |
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[1505] | 508 | { |
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[3264] | 509 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_->interpreterMutex_); |
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| 510 | orxonoxEvalCondition_g.wait(interpreter_lock); |
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[1505] | 511 | |
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| 512 | if (!CommandExecutor::execute(command, false)) |
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| 513 | this->error("Error: Can't execute command \"" + command + "\"!"); |
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| 514 | |
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| 515 | if (CommandExecutor::getLastEvaluation().hasReturnvalue()) |
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[1747] | 516 | output = CommandExecutor::getLastEvaluation().getReturnvalue().getString(); |
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[1505] | 517 | } |
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| 518 | |
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[3264] | 519 | boost::mutex::scoped_lock queriers_lock(this->orxonoxInterpreterBundle_->queriersMutex_); |
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| 520 | this->orxonoxInterpreterBundle_->queriers_.clear(); |
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[1505] | 521 | } |
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| 522 | return output; |
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| 523 | } |
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| 524 | |
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| 525 | std::string TclThreadManager::evalQuery(unsigned int querierID, unsigned int threadID, const std::string& command) |
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| 526 | { |
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| 527 | TclInterpreterBundle* target = 0; |
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| 528 | if (threadID) |
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| 529 | target = this->getInterpreterBundle(threadID); |
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| 530 | else |
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[3264] | 531 | target = this->orxonoxInterpreterBundle_; |
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[1505] | 532 | |
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| 533 | std::string output = ""; |
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| 534 | if (target) |
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| 535 | { |
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| 536 | TclInterpreterBundle* querier = 0; |
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| 537 | if (querierID) |
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| 538 | querier = this->getInterpreterBundle(querierID); |
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| 539 | else |
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[3264] | 540 | querier = this->orxonoxInterpreterBundle_; |
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[1505] | 541 | |
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| 542 | if (querier) |
---|
| 543 | { |
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| 544 | if (this->updateQueriersList(querier, target)) |
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| 545 | { |
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| 546 | boost::mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); |
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| 547 | bool successfullyLocked = false; |
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| 548 | try |
---|
| 549 | { |
---|
| 550 | if (querierID == 0 || std::find(querier->queriers_.begin(), querier->queriers_.end(), (unsigned int)0) != querier->queriers_.end()) |
---|
| 551 | successfullyLocked = interpreter_lock.try_lock(); |
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| 552 | else |
---|
| 553 | { |
---|
| 554 | while (!interpreter_lock.try_lock()) |
---|
| 555 | { |
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| 556 | boost::this_thread::yield(); |
---|
| 557 | } |
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| 558 | |
---|
| 559 | successfullyLocked = true; |
---|
| 560 | } |
---|
| 561 | } catch (...) {} |
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| 562 | |
---|
| 563 | if (successfullyLocked) |
---|
| 564 | { |
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| 565 | this->debug("TclThread_query: " + command); |
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| 566 | try |
---|
| 567 | { output = (std::string)target->interpreter_->eval(command); } |
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| 568 | catch (Tcl::tcl_error const &e) |
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| 569 | { this->error("Tcl error: " + (std::string)e.what()); } |
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| 570 | catch (std::exception const &e) |
---|
| 571 | { this->error("Error while executing Tcl: " + (std::string)e.what()); } |
---|
| 572 | } |
---|
| 573 | else |
---|
| 574 | { |
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| 575 | this->error("Error: Couldn't query Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + ", interpreter is busy right now."); |
---|
| 576 | } |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); |
---|
| 580 | target->queriers_.clear(); |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | return output; |
---|
| 584 | } |
---|
| 585 | |
---|
[2896] | 586 | void TclThreadManager::update(const Clock& time) |
---|
[1505] | 587 | { |
---|
| 588 | { |
---|
[3264] | 589 | orxonoxEvalCondition_g.notify_one(); |
---|
[1505] | 590 | boost::this_thread::yield(); |
---|
| 591 | } |
---|
| 592 | |
---|
| 593 | { |
---|
[3264] | 594 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
---|
[1505] | 595 | for (std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) |
---|
| 596 | { |
---|
| 597 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); |
---|
| 598 | if (!(*it).second->queue_.empty()) |
---|
| 599 | { |
---|
| 600 | std::string command = (*it).second->queue_.front(); |
---|
| 601 | (*it).second->queue_.pop_front(); |
---|
| 602 | { |
---|
| 603 | boost::mutex::scoped_lock finished_lock((*it).second->finishedMutex_); |
---|
| 604 | (*it).second->finished_ = false; |
---|
| 605 | } |
---|
| 606 | boost::thread(boost::bind(&tclThread, (*it).second, command)); |
---|
| 607 | } |
---|
| 608 | } |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | { |
---|
[3264] | 612 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_->interpreterMutex_); |
---|
[2896] | 613 | unsigned long maxtime = (unsigned long)(time.getDeltaTime() * 1000000 * TCLTHREADMANAGER_MAX_CPU_USAGE); |
---|
[1505] | 614 | Ogre::Timer timer; |
---|
| 615 | while (!this->queueIsEmpty()) |
---|
| 616 | { |
---|
| 617 | CommandExecutor::execute(this->popCommandFromQueue(), false); |
---|
| 618 | if (timer.getMicroseconds() > maxtime) |
---|
| 619 | break; |
---|
| 620 | } |
---|
| 621 | } |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | std::list<unsigned int> TclThreadManager::getThreadList() const |
---|
| 625 | { |
---|
[3264] | 626 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
---|
[1505] | 627 | std::list<unsigned int> threads; |
---|
| 628 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) |
---|
| 629 | threads.push_back((*it).first); |
---|
| 630 | return threads; |
---|
| 631 | } |
---|
| 632 | |
---|
| 633 | void tclThread(TclInterpreterBundle* interpreterBundle, std::string command) |
---|
| 634 | { |
---|
| 635 | TclThreadManager::getInstance().debug("TclThread_execute: " + command); |
---|
| 636 | boost::mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); |
---|
| 637 | try |
---|
| 638 | { |
---|
| 639 | interpreterBundle->interpreter_->eval(command); |
---|
| 640 | } |
---|
| 641 | catch (Tcl::tcl_error const &e) |
---|
| 642 | { |
---|
| 643 | TclThreadManager::getInstance().error("Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + ") error: " + e.what()); |
---|
| 644 | } |
---|
| 645 | catch (std::exception const &e) |
---|
| 646 | { |
---|
| 647 | TclThreadManager::getInstance().error("Error while executing Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + "): " + e.what()); |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | boost::mutex::scoped_lock finished_lock(interpreterBundle->finishedMutex_); |
---|
| 651 | interpreterBundle->finished_ = true; |
---|
| 652 | interpreterBundle->finishedCondition_.notify_all(); |
---|
| 653 | } |
---|
| 654 | } |
---|