| 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 "TclThreadManager.h" |
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| 30 | |
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| 31 | #include <boost/bind.hpp> |
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| 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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| 35 | #include <OgreTimer.h> |
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| 36 | #include <cpptcl/cpptcl.h> |
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| 37 | |
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| 38 | #include "util/Convert.h" |
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| 39 | #include "util/Debug.h" |
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| 40 | #include "Clock.h" |
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| 41 | #include "CommandExecutor.h" |
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| 42 | #include "ConsoleCommand.h" |
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| 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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| 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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| 50 | |
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| 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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| 53 | SetConsoleCommand(TclThreadManager, create, false); |
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| 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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| 57 | SetConsoleCommand(TclThreadManager, status, false); |
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| 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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| 60 | |
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| 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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| 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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| 92 | : orxonoxInterpreterBundle_(new TclInterpreterBundle()) |
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| 93 | { |
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| 94 | RegisterRootObject(TclThreadManager); |
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| 95 | |
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| 96 | assert(singletonRef_s == 0); |
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| 97 | singletonRef_s = this; |
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| 98 | |
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| 99 | this->threadCounter_ = 0; |
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| 100 | this->orxonoxInterpreterBundle_->id_ = 0; |
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| 101 | this->orxonoxInterpreterBundle_->interpreter_ = interpreter; |
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| 102 | threadID_g = boost::this_thread::get_id(); |
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| 103 | } |
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| 104 | |
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| 105 | TclThreadManager::~TclThreadManager() |
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| 106 | { |
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| 107 | unsigned int threadID; |
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| 108 | { |
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| 109 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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| 110 | if (this->interpreterBundles_.begin() == this->interpreterBundles_.end()) |
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| 111 | return; |
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| 112 | else |
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| 113 | threadID = this->interpreterBundles_.begin()->first; |
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| 114 | } |
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| 115 | this->destroy(threadID); |
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| 116 | |
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| 117 | delete this->orxonoxInterpreterBundle_; |
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| 118 | |
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| 119 | singletonRef_s = 0; |
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| 120 | } |
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| 121 | |
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| 122 | unsigned int TclThreadManager::create() |
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| 123 | { |
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| 124 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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| 125 | TclThreadManager::getInstance().threadCounter_++; |
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| 126 | std::string name = getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().threadCounter_); |
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| 127 | |
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| 128 | TclInterpreterBundle* bundle = new TclInterpreterBundle; |
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| 129 | bundle->id_ = TclThreadManager::getInstance().threadCounter_; |
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| 130 | bundle->interpreter_ = TclThreadManager::getInstance().createNewTclInterpreter(name); |
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| 131 | bundle->interpreterName_ = name; |
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| 132 | bundle->running_ = true; |
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| 133 | bundle->finished_ = true; |
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| 134 | |
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| 135 | TclThreadManager::getInstance().interpreterBundles_[TclThreadManager::getInstance().threadCounter_] = bundle; |
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| 136 | COUT(0) << "Created new Tcl-interpreter with ID " << TclThreadManager::getInstance().threadCounter_ << std::endl; |
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| 137 | return TclThreadManager::getInstance().threadCounter_; |
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| 138 | } |
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| 139 | |
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| 140 | unsigned int TclThreadManager::createID(unsigned int threadID) |
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| 141 | { |
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| 142 | unsigned int temp = TclThreadManager::getInstance().threadCounter_; |
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| 143 | TclThreadManager::getInstance().threadCounter_ = threadID - 1; |
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| 144 | TclThreadManager::create(); |
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| 145 | TclThreadManager::getInstance().threadCounter_ = temp; |
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| 146 | return threadID; |
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| 147 | } |
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| 148 | |
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| 149 | void TclThreadManager::destroy(unsigned int threadID) |
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| 150 | { |
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| 151 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID); |
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| 152 | if (bundle) |
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| 153 | { |
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| 154 | { |
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| 155 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); |
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| 156 | bundle->running_ = false; |
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| 157 | } |
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| 158 | while (true) |
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| 159 | { |
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| 160 | { |
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| 161 | boost::mutex::scoped_lock finished_lock(bundle->finishedMutex_); |
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| 162 | if (bundle->finished_) |
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| 163 | { |
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| 164 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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| 165 | boost::mutex::scoped_try_lock interpreter_lock(bundle->interpreterMutex_); |
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| 166 | try |
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| 167 | { |
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| 168 | while (!interpreter_lock.try_lock()) |
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| 169 | { |
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| 170 | orxonoxEvalCondition_g.notify_one(); |
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| 171 | boost::this_thread::yield(); |
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| 172 | } |
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| 173 | } catch (...) {} |
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| 174 | delete bundle->interpreter_; |
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| 175 | delete bundle; |
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| 176 | TclThreadManager::getInstance().interpreterBundles_.erase(threadID); |
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| 177 | break; |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | orxonoxEvalCondition_g.notify_one(); |
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| 182 | boost::this_thread::yield(); |
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| 183 | } |
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| 184 | |
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| 185 | COUT(0) << "Destroyed Tcl-interpreter with ID " << threadID << std::endl; |
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| 186 | } |
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| 187 | } |
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| 188 | |
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| 189 | void TclThreadManager::execute(unsigned int threadID, const std::string& _command) |
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| 190 | { |
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| 191 | std::string command = stripEnclosingBraces(_command); |
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| 192 | |
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| 193 | if (threadID == 0) |
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| 194 | TclThreadManager::getInstance().pushCommandToQueue(command); |
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| 195 | else |
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| 196 | TclThreadManager::getInstance().pushCommandToQueue(threadID, command); |
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| 197 | } |
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| 198 | |
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| 199 | std::string TclThreadManager::query(unsigned int threadID, const std::string& command) |
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| 200 | { |
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| 201 | return TclThreadManager::getInstance().evalQuery(TclThreadManager::getInstance().orxonoxInterpreterBundle_->id_, threadID, command); |
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| 202 | } |
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| 203 | |
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| 204 | void TclThreadManager::status() |
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| 205 | { |
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| 206 | COUT(0) << "Thread ID" << '\t' << "Queue size" << '\t' << "State" << std::endl; |
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| 207 | |
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| 208 | std::string output = "Orxonox"; |
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| 209 | output += "\t\t"; |
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| 210 | { |
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| 211 | boost::mutex::scoped_lock queue_lock(TclThreadManager::getInstance().orxonoxInterpreterBundle_->queueMutex_); |
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| 212 | output += getConvertedValue<unsigned int, std::string>(TclThreadManager::getInstance().orxonoxInterpreterBundle_->queue_.size()); |
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| 213 | } |
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| 214 | output += "\t\t"; |
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| 215 | output += "busy"; |
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| 216 | COUT(0) << output << std::endl; |
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| 217 | |
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| 218 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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| 219 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = TclThreadManager::getInstance().interpreterBundles_.begin(); it != TclThreadManager::getInstance().interpreterBundles_.end(); ++it) |
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| 220 | { |
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| 221 | std::string output = getConvertedValue<unsigned int, std::string>((*it).first); |
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| 222 | output += "\t\t"; |
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| 223 | { |
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| 224 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); |
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| 225 | output += getConvertedValue<unsigned int, std::string>((*it).second->queue_.size()); |
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| 226 | } |
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| 227 | output += "\t\t"; |
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| 228 | { |
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| 229 | boost::mutex::scoped_try_lock interpreter_lock((*it).second->interpreterMutex_); |
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| 230 | if (interpreter_lock.try_lock()) |
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| 231 | output += "ready"; |
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| 232 | else |
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| 233 | output += "busy"; |
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| 234 | } |
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| 235 | COUT(0) << output << std::endl; |
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| 236 | } |
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| 237 | } |
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| 238 | |
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| 239 | void TclThreadManager::dump(unsigned int threadID) |
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| 240 | { |
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| 241 | TclInterpreterBundle* bundle = 0; |
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| 242 | if (threadID == 0) |
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| 243 | { |
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| 244 | bundle = TclThreadManager::getInstance().orxonoxInterpreterBundle_; |
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| 245 | COUT(0) << "Queue dump of Orxonox:" << std::endl; |
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| 246 | } |
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| 247 | else |
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| 248 | { |
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| 249 | if ((bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) |
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| 250 | { |
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| 251 | COUT(0) << "Queue dump of Tcl-thread " << threadID << ":" << std::endl; |
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| 252 | } |
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| 253 | else |
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| 254 | return; |
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| 255 | } |
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| 256 | |
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| 257 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 258 | unsigned int index = 0; |
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| 259 | for (std::list<std::string>::const_iterator it = bundle->queue_.begin(); it != bundle->queue_.end(); ++it) |
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| 260 | { |
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| 261 | index++; |
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| 262 | COUT(0) << index << ": " << (*it) << std::endl; |
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| 263 | } |
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| 264 | } |
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| 265 | |
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| 266 | void TclThreadManager::flush(unsigned int threadID) |
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| 267 | { |
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| 268 | TclInterpreterBundle* bundle = 0; |
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| 269 | if (threadID == 0) |
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| 270 | bundle = TclThreadManager::getInstance().orxonoxInterpreterBundle_; |
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| 271 | else |
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| 272 | if (!(bundle = TclThreadManager::getInstance().getInterpreterBundle(threadID))) |
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| 273 | return; |
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| 274 | |
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| 275 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
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| 276 | bundle->queue_.clear(); |
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| 277 | if (threadID == 0) |
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| 278 | { |
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| 279 | COUT(0) << "Flushed queue of Orxonox Tcl-interpreter." << std::endl; |
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| 280 | } |
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| 281 | else |
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| 282 | { |
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| 283 | COUT(0) << "Flushed queue of Tcl-interpreter " << threadID << "." << std::endl; |
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| 284 | } |
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| 285 | } |
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| 286 | |
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| 287 | void TclThreadManager::tcl_execute(Tcl::object const &args) |
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| 288 | { |
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| 289 | TclThreadManager::getInstance().pushCommandToQueue(stripEnclosingBraces(args.get())); |
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| 290 | } |
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| 291 | |
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| 292 | std::string TclThreadManager::tcl_query(int querierID, Tcl::object const &args) |
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| 293 | { |
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| 294 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, stripEnclosingBraces(args.get())); |
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| 295 | } |
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| 296 | |
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| 297 | std::string TclThreadManager::tcl_crossquery(int querierID, int threadID, Tcl::object const &args) |
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| 298 | { |
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| 299 | return TclThreadManager::getInstance().evalQuery((unsigned int)querierID, (unsigned int)threadID, stripEnclosingBraces(args.get())); |
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| 300 | } |
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| 301 | |
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| 302 | bool TclThreadManager::tcl_running(int threadID) |
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| 303 | { |
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| 304 | TclInterpreterBundle* bundle = TclThreadManager::getInstance().getInterpreterBundle((unsigned int)threadID); |
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| 305 | if (bundle) |
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| 306 | { |
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| 307 | boost::mutex::scoped_lock running_lock(bundle->runningMutex_); |
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| 308 | return bundle->running_; |
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| 309 | } |
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| 310 | return false; |
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| 311 | } |
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| 312 | |
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| 313 | Tcl::interpreter* TclThreadManager::createNewTclInterpreter(const std::string& threadID) |
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| 314 | { |
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| 315 | Tcl::interpreter* i = 0; |
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| 316 | i = new Tcl::interpreter(TclBind::getInstance().getTclLibPath()); |
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| 317 | |
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| 318 | try |
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| 319 | { |
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| 320 | i->def("orxonox::query", TclThreadManager::tcl_query, Tcl::variadic()); |
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| 321 | i->def("orxonox::crossquery", TclThreadManager::tcl_crossquery, Tcl::variadic()); |
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| 322 | i->def("orxonox::execute", TclThreadManager::tcl_execute, Tcl::variadic()); |
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| 323 | i->def("orxonox::running", TclThreadManager::tcl_running); |
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| 324 | |
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| 325 | i->def("execute", TclThreadManager::tcl_execute, Tcl::variadic()); |
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| 326 | i->eval("proc query args { orxonox::query " + threadID + " $args }"); |
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| 327 | i->eval("proc crossquery {id args} { orxonox::crossquery " + threadID + " $id $args }"); |
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| 328 | i->eval("set id " + threadID); |
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| 329 | |
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| 330 | i->eval("rename exit tcl::exit"); |
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| 331 | i->eval("proc exit {} { orxonox TclThreadManager destroy " + threadID + " }"); |
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| 332 | |
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| 333 | i->eval("redef_puts"); |
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| 334 | |
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| 335 | // i->eval("rename while tcl::while"); |
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| 336 | // i->eval("proc while {test command} { tcl::while {[uplevel 1 expr $test]} {uplevel 1 $command} }"); // (\"$test\" && [orxonox::running " + threadID + "]]) |
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| 337 | // i->eval("rename for tcl::for"); |
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| 338 | // i->eval("proc for {start test next command} { uplevel tcl::for \"$start\" \"$test\" \"$next\" \"$command\" }"); |
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| 339 | } |
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| 340 | catch (Tcl::tcl_error const &e) |
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| 341 | { COUT(1) << "Tcl error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl; } |
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| 342 | catch (std::exception const &e) |
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| 343 | { COUT(1) << "Error while creating Tcl-interpreter (" << threadID << "): " << e.what() << std::endl; } |
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| 344 | |
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| 345 | return i; |
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| 346 | } |
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| 347 | |
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| 348 | TclInterpreterBundle* TclThreadManager::getInterpreterBundle(unsigned int threadID) |
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| 349 | { |
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| 350 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
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| 351 | std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.find(threadID); |
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| 352 | if (it != this->interpreterBundles_.end()) |
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| 353 | { |
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| 354 | return (*it).second; |
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| 355 | } |
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| 356 | else |
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| 357 | { |
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| 358 | this->error("Error: No Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + " existing."); |
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| 359 | return 0; |
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| 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | Tcl::interpreter* TclThreadManager::getTclInterpreter(unsigned int threadID) |
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| 364 | { |
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| 365 | return this->getInterpreterBundle(threadID)->interpreter_; |
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| 366 | } |
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| 367 | |
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| 368 | std::string TclThreadManager::dumpList(const std::list<unsigned int>& list) |
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| 369 | { |
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| 370 | std::string output = ""; |
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| 371 | for (std::list<unsigned int>::const_iterator it = list.begin(); it != list.end(); ++it) |
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| 372 | { |
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| 373 | if (it != list.begin()) |
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| 374 | output += " "; |
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| 375 | |
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| 376 | output += getConvertedValue<unsigned int, std::string>(*it); |
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| 377 | } |
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| 378 | return output; |
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| 379 | } |
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| 380 | |
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| 381 | void TclThreadManager::error(const std::string& error) |
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| 382 | { |
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| 383 | if (boost::this_thread::get_id() != threadID_g) |
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| 384 | { |
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| 385 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 386 | if (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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| 387 | { |
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| 388 | boost::this_thread::yield(); |
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| 389 | return; |
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| 390 | } |
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| 391 | } |
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| 392 | |
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| 393 | this->forceCommandToFrontOfQueue("error " + error); |
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| 394 | } |
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| 395 | |
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| 396 | void TclThreadManager::debug(const std::string& error) |
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| 397 | { |
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| 398 | if (boost::this_thread::get_id() != threadID_g) |
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| 399 | { |
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| 400 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 401 | if (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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| 402 | { |
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| 403 | boost::this_thread::yield(); |
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| 404 | return; |
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| 405 | } |
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| 406 | } |
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| 407 | |
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| 408 | this->forceCommandToFrontOfQueue("debug " + error); |
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| 409 | } |
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| 410 | |
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| 411 | void TclThreadManager::pushCommandToQueue(const std::string& command) |
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| 412 | { |
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| 413 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 414 | while (this->orxonoxInterpreterBundle_->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
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| 415 | fullQueueCondition_g.wait(queue_lock); |
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| 416 | |
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| 417 | this->orxonoxInterpreterBundle_->queue_.push_back(command); |
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| 418 | } |
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| 419 | |
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| 420 | void TclThreadManager::forceCommandToFrontOfQueue(const std::string& command) |
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| 421 | { |
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| 422 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
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| 423 | this->orxonoxInterpreterBundle_->queue_.push_front(command); |
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| 424 | } |
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| 425 | |
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| 426 | std::string TclThreadManager::popCommandFromQueue() |
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| 427 | { |
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| 428 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
|---|
| 429 | std::string temp = this->orxonoxInterpreterBundle_->queue_.front(); |
|---|
| 430 | this->orxonoxInterpreterBundle_->queue_.pop_front(); |
|---|
| 431 | fullQueueCondition_g.notify_one(); |
|---|
| 432 | return temp; |
|---|
| 433 | } |
|---|
| 434 | |
|---|
| 435 | bool TclThreadManager::queueIsEmpty() |
|---|
| 436 | { |
|---|
| 437 | boost::mutex::scoped_lock queue_lock(this->orxonoxInterpreterBundle_->queueMutex_); |
|---|
| 438 | return this->orxonoxInterpreterBundle_->queue_.empty(); |
|---|
| 439 | } |
|---|
| 440 | |
|---|
| 441 | void TclThreadManager::pushCommandToQueue(unsigned int threadID, const std::string& command) |
|---|
| 442 | { |
|---|
| 443 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
|---|
| 444 | if (bundle) |
|---|
| 445 | { |
|---|
| 446 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
|---|
| 447 | if (bundle->queue_.size() >= TCLTHREADMANAGER_MAX_QUEUE_LENGTH) |
|---|
| 448 | { |
|---|
| 449 | this->error("Error: Queue of Tcl-interpreter " + getConvertedValue<unsigned int, std::string>(threadID) + " is full, couldn't add command."); |
|---|
| 450 | return; |
|---|
| 451 | } |
|---|
| 452 | |
|---|
| 453 | bundle->queue_.push_back(command); |
|---|
| 454 | } |
|---|
| 455 | } |
|---|
| 456 | |
|---|
| 457 | std::string TclThreadManager::popCommandFromQueue(unsigned int threadID) |
|---|
| 458 | { |
|---|
| 459 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
|---|
| 460 | if (bundle) |
|---|
| 461 | { |
|---|
| 462 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
|---|
| 463 | std::string temp = bundle->queue_.front(); |
|---|
| 464 | bundle->queue_.pop_front(); |
|---|
| 465 | return temp; |
|---|
| 466 | } |
|---|
| 467 | return ""; |
|---|
| 468 | } |
|---|
| 469 | |
|---|
| 470 | bool TclThreadManager::queueIsEmpty(unsigned int threadID) |
|---|
| 471 | { |
|---|
| 472 | TclInterpreterBundle* bundle = this->getInterpreterBundle(threadID); |
|---|
| 473 | if (bundle) |
|---|
| 474 | { |
|---|
| 475 | boost::mutex::scoped_lock queue_lock(bundle->queueMutex_); |
|---|
| 476 | return bundle->queue_.empty(); |
|---|
| 477 | } |
|---|
| 478 | return true; |
|---|
| 479 | } |
|---|
| 480 | |
|---|
| 481 | bool TclThreadManager::updateQueriersList(TclInterpreterBundle* querier, TclInterpreterBundle* target) |
|---|
| 482 | { |
|---|
| 483 | if (querier == target) |
|---|
| 484 | return false; |
|---|
| 485 | |
|---|
| 486 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); |
|---|
| 487 | |
|---|
| 488 | { |
|---|
| 489 | boost::mutex::scoped_lock queriers_lock(querier->queriersMutex_); |
|---|
| 490 | target->queriers_.insert(target->queriers_.end(), querier->queriers_.begin(), querier->queriers_.end()); |
|---|
| 491 | } |
|---|
| 492 | |
|---|
| 493 | target->queriers_.insert(target->queriers_.end(), querier->id_); |
|---|
| 494 | |
|---|
| 495 | if (std::find(target->queriers_.begin(), target->queriers_.end(), target->id_) != target->queriers_.end()) |
|---|
| 496 | { |
|---|
| 497 | 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_) + "."); |
|---|
| 498 | return false; |
|---|
| 499 | } |
|---|
| 500 | |
|---|
| 501 | return true; |
|---|
| 502 | } |
|---|
| 503 | |
|---|
| 504 | std::string TclThreadManager::evalQuery(unsigned int querierID, const std::string& command) |
|---|
| 505 | { |
|---|
| 506 | TclInterpreterBundle* querier = this->getInterpreterBundle(querierID); |
|---|
| 507 | std::string output = ""; |
|---|
| 508 | if (querier) |
|---|
| 509 | { |
|---|
| 510 | if (this->updateQueriersList(querier, this->orxonoxInterpreterBundle_)) |
|---|
| 511 | { |
|---|
| 512 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_->interpreterMutex_); |
|---|
| 513 | orxonoxEvalCondition_g.wait(interpreter_lock); |
|---|
| 514 | |
|---|
| 515 | if (!CommandExecutor::execute(command, false)) |
|---|
| 516 | this->error("Error: Can't execute command \"" + command + "\"!"); |
|---|
| 517 | |
|---|
| 518 | if (CommandExecutor::getLastEvaluation().hasReturnvalue()) |
|---|
| 519 | output = CommandExecutor::getLastEvaluation().getReturnvalue().getString(); |
|---|
| 520 | } |
|---|
| 521 | |
|---|
| 522 | boost::mutex::scoped_lock queriers_lock(this->orxonoxInterpreterBundle_->queriersMutex_); |
|---|
| 523 | this->orxonoxInterpreterBundle_->queriers_.clear(); |
|---|
| 524 | } |
|---|
| 525 | return output; |
|---|
| 526 | } |
|---|
| 527 | |
|---|
| 528 | std::string TclThreadManager::evalQuery(unsigned int querierID, unsigned int threadID, const std::string& command) |
|---|
| 529 | { |
|---|
| 530 | TclInterpreterBundle* target = 0; |
|---|
| 531 | if (threadID) |
|---|
| 532 | target = this->getInterpreterBundle(threadID); |
|---|
| 533 | else |
|---|
| 534 | target = this->orxonoxInterpreterBundle_; |
|---|
| 535 | |
|---|
| 536 | std::string output = ""; |
|---|
| 537 | if (target) |
|---|
| 538 | { |
|---|
| 539 | TclInterpreterBundle* querier = 0; |
|---|
| 540 | if (querierID) |
|---|
| 541 | querier = this->getInterpreterBundle(querierID); |
|---|
| 542 | else |
|---|
| 543 | querier = this->orxonoxInterpreterBundle_; |
|---|
| 544 | |
|---|
| 545 | if (querier) |
|---|
| 546 | { |
|---|
| 547 | if (this->updateQueriersList(querier, target)) |
|---|
| 548 | { |
|---|
| 549 | boost::mutex::scoped_try_lock interpreter_lock(target->interpreterMutex_); |
|---|
| 550 | bool successfullyLocked = false; |
|---|
| 551 | try |
|---|
| 552 | { |
|---|
| 553 | if (querierID == 0 || std::find(querier->queriers_.begin(), querier->queriers_.end(), (unsigned int)0) != querier->queriers_.end()) |
|---|
| 554 | successfullyLocked = interpreter_lock.try_lock(); |
|---|
| 555 | else |
|---|
| 556 | { |
|---|
| 557 | while (!interpreter_lock.try_lock()) |
|---|
| 558 | { |
|---|
| 559 | boost::this_thread::yield(); |
|---|
| 560 | } |
|---|
| 561 | |
|---|
| 562 | successfullyLocked = true; |
|---|
| 563 | } |
|---|
| 564 | } catch (...) {} |
|---|
| 565 | |
|---|
| 566 | if (successfullyLocked) |
|---|
| 567 | { |
|---|
| 568 | this->debug("TclThread_query: " + command); |
|---|
| 569 | try |
|---|
| 570 | { output = (std::string)target->interpreter_->eval(command); } |
|---|
| 571 | catch (Tcl::tcl_error const &e) |
|---|
| 572 | { this->error("Tcl error: " + (std::string)e.what()); } |
|---|
| 573 | catch (std::exception const &e) |
|---|
| 574 | { this->error("Error while executing Tcl: " + (std::string)e.what()); } |
|---|
| 575 | } |
|---|
| 576 | else |
|---|
| 577 | { |
|---|
| 578 | this->error("Error: Couldn't query Tcl-interpreter with ID " + getConvertedValue<unsigned int, std::string>(threadID) + ", interpreter is busy right now."); |
|---|
| 579 | } |
|---|
| 580 | } |
|---|
| 581 | |
|---|
| 582 | boost::mutex::scoped_lock queriers_lock(target->queriersMutex_); |
|---|
| 583 | target->queriers_.clear(); |
|---|
| 584 | } |
|---|
| 585 | } |
|---|
| 586 | return output; |
|---|
| 587 | } |
|---|
| 588 | |
|---|
| 589 | void TclThreadManager::update(const Clock& time) |
|---|
| 590 | { |
|---|
| 591 | { |
|---|
| 592 | orxonoxEvalCondition_g.notify_one(); |
|---|
| 593 | boost::this_thread::yield(); |
|---|
| 594 | } |
|---|
| 595 | |
|---|
| 596 | { |
|---|
| 597 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
|---|
| 598 | for (std::map<unsigned int, TclInterpreterBundle*>::iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) |
|---|
| 599 | { |
|---|
| 600 | boost::mutex::scoped_lock queue_lock((*it).second->queueMutex_); |
|---|
| 601 | if (!(*it).second->queue_.empty()) |
|---|
| 602 | { |
|---|
| 603 | std::string command = (*it).second->queue_.front(); |
|---|
| 604 | (*it).second->queue_.pop_front(); |
|---|
| 605 | { |
|---|
| 606 | boost::mutex::scoped_lock finished_lock((*it).second->finishedMutex_); |
|---|
| 607 | (*it).second->finished_ = false; |
|---|
| 608 | } |
|---|
| 609 | boost::thread(boost::bind(&tclThread, (*it).second, command)); |
|---|
| 610 | } |
|---|
| 611 | } |
|---|
| 612 | } |
|---|
| 613 | |
|---|
| 614 | { |
|---|
| 615 | boost::mutex::scoped_lock interpreter_lock(this->orxonoxInterpreterBundle_->interpreterMutex_); |
|---|
| 616 | unsigned long maxtime = (unsigned long)(time.getDeltaTime() * 1000000 * TCLTHREADMANAGER_MAX_CPU_USAGE); |
|---|
| 617 | Ogre::Timer timer; |
|---|
| 618 | while (!this->queueIsEmpty()) |
|---|
| 619 | { |
|---|
| 620 | CommandExecutor::execute(this->popCommandFromQueue(), false); |
|---|
| 621 | if (timer.getMicroseconds() > maxtime) |
|---|
| 622 | break; |
|---|
| 623 | } |
|---|
| 624 | } |
|---|
| 625 | } |
|---|
| 626 | |
|---|
| 627 | std::list<unsigned int> TclThreadManager::getThreadList() const |
|---|
| 628 | { |
|---|
| 629 | boost::mutex::scoped_lock bundles_lock(bundlesMutex_g); |
|---|
| 630 | std::list<unsigned int> threads; |
|---|
| 631 | for (std::map<unsigned int, TclInterpreterBundle*>::const_iterator it = this->interpreterBundles_.begin(); it != this->interpreterBundles_.end(); ++it) |
|---|
| 632 | threads.push_back((*it).first); |
|---|
| 633 | return threads; |
|---|
| 634 | } |
|---|
| 635 | |
|---|
| 636 | void tclThread(TclInterpreterBundle* interpreterBundle, std::string command) |
|---|
| 637 | { |
|---|
| 638 | TclThreadManager::getInstance().debug("TclThread_execute: " + command); |
|---|
| 639 | boost::mutex::scoped_lock interpreter_lock(interpreterBundle->interpreterMutex_); |
|---|
| 640 | try |
|---|
| 641 | { |
|---|
| 642 | interpreterBundle->interpreter_->eval(command); |
|---|
| 643 | } |
|---|
| 644 | catch (Tcl::tcl_error const &e) |
|---|
| 645 | { |
|---|
| 646 | TclThreadManager::getInstance().error("Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + ") error: " + e.what()); |
|---|
| 647 | } |
|---|
| 648 | catch (std::exception const &e) |
|---|
| 649 | { |
|---|
| 650 | TclThreadManager::getInstance().error("Error while executing Tcl (ID " + getConvertedValue<unsigned int, std::string>(interpreterBundle->id_) + "): " + e.what()); |
|---|
| 651 | } |
|---|
| 652 | |
|---|
| 653 | boost::mutex::scoped_lock finished_lock(interpreterBundle->finishedMutex_); |
|---|
| 654 | interpreterBundle->finished_ = true; |
|---|
| 655 | interpreterBundle->finishedCondition_.notify_all(); |
|---|
| 656 | } |
|---|
| 657 | } |
|---|