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annotate engine/core/util/log/logger.cpp @ 338:d266506ff4f9

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Bug fix. It turned out the instance tree contained ghost instances, since InstanceTree.removeInstance sometimes failed. This caused those random crashes in UH. Now the InstanceTree enforces that remove/add Instance work in pairs. A new Exception is raised in case this ever goes wrong again. (InconsitencyDetected) Furthermore the removeInstancheChangeListener stuff had a fix to become reentrant. It is not clear wether this was shadowed by the aforementioned bug or was never triggered.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 18:32:03 +0000
parents 90005975cdbb
children ae9f5383f5b1
rev   line source
0
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
0
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
0
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
0
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 // Standard C++ library includes
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23 #include <algorithm>
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24 #include <iomanip>
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25 #include <fstream>
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26
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27 // 3rd party library includes
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28 #include <SDL.h>
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 // #include "guichan_addon/console.h"
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35 #include "modules.h"
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36 #include "logger.h"
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37 #include "util/base/exception.h"
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38
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39 // define the module info relationships structure here, begin
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40 struct ModuleInfo {
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41 logmodule_t module;
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42 logmodule_t parent;
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43 std::string name;
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44 };
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45 MODULE_INFO_RELATIONSHIPS
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46 // end
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47
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48 namespace FIFE {
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49 LogManager* LogManager::m_instance = NULL;
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50
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51 Logger::Logger(logmodule_t module):
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52 m_module(module) {
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53 }
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54
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55 Logger::~Logger() {
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56 }
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57
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58 void Logger::log(LogManager::LogLevel level, const std::string& msg) {
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59 LogManager::instance()->log(level, m_module, msg);
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60 }
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61
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62 void Logger::log(LogManager::LogLevel level, const LMsg& msg) {
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63 LogManager::instance()->log(level, m_module, msg.str);
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64 }
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65
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66 LogManager* LogManager::instance() {
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67 if (!m_instance) {
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68 m_instance = new LogManager();
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69 }
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70 return m_instance;
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71 }
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72
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73 LogManager::~LogManager() {
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74 delete m_instance;
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75 }
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76
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77
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78 void LogManager::log(LogLevel level, logmodule_t module, const std::string& msg) {
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79 if (level < m_level) {
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80 return;
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81 }
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82 if (!isVisible(module)) {
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83 return;
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84 }
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85 std::string lvlstr = "";
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86 switch (level) {
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87 case LEVEL_DEBUG: lvlstr = "dbg";
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88 break;
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89
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90 case LEVEL_LOG: lvlstr = "log";
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91 break;
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92
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93 case LEVEL_WARN: lvlstr = "warn";
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94 break;
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95
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96 case LEVEL_ERROR: lvlstr = "error";
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97 break;
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98
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99 case LEVEL_PANIC: lvlstr = "panic";
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100 break;
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101
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102 default: lvlstr = "error";
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103 break;
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104 }
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105 if (m_logtoprompt) {
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106 std::cout << moduleInfos[module].name << ": " << lvlstr << ": " << msg << std::endl;
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107 }
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108 if (m_logtofile) {
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109 *m_logfile << moduleInfos[module].name << ": " << lvlstr << ": " << msg << std::endl;
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110 }
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111 if (level == LEVEL_PANIC) {
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112 abort();
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113 }
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114 }
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115
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116 void LogManager::setLevelFilter(LogLevel level) {
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117 m_level = level;
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118 }
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119
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120 LogManager::LogLevel LogManager::getLevelFilter() {
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121 return m_level;
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122 }
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123
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124 void LogManager::addVisibleModule(logmodule_t module) {
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125 validateModule(module);
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126 int ind = static_cast<int>(module);
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127 m_modules[ind] = true;
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128 if (moduleInfos[ind].parent != LM_CORE) {
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129 addVisibleModule(moduleInfos[ind].parent);
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130 }
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131 }
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132
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133 void LogManager::removeVisibleModule(logmodule_t module) {
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134 validateModule(module);
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135 m_modules[module] = false;
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136 }
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137
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138 void LogManager::clearVisibleModules() {
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139 for (int i = 0; i < LM_MODULE_MAX; i++) {
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140 m_modules[i] = false;
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141 }
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142 }
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143
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144 void LogManager::setLogToPrompt(bool log_to_promt) {
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145 m_logtoprompt = log_to_promt;
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146 }
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147
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148 bool LogManager::isLoggingToPrompt() {
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149 return m_logtoprompt;
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150 }
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151
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152 void LogManager::setLogToFile(bool logtofile) {
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153 m_logtofile = logtofile;
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154 }
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155
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156 bool LogManager::isLoggingToFile() {
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157 return m_logtofile;
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158 }
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159
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160 bool LogManager::isVisible(logmodule_t module) {
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161 if (!m_modules[module]) {
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162 return false;
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163 }
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164 if (moduleInfos[module].parent != LM_CORE) {
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165 return isVisible(moduleInfos[module].parent);
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166 }
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167 return true;
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168 }
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169
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170 LogManager::LogManager():
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171 m_level(LEVEL_DEBUG),
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172 module_check_stack(),
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173 m_logtofile(false),
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174 m_logtoprompt(false) {
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175 validateModuleDescription(LM_CORE);
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176 m_logfile = new std::ofstream("fife.log");
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177 clearVisibleModules();
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178 }
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179
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180 void LogManager::validateModule(logmodule_t m) {
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181 if ((m <= LM_CORE) || (m >= LM_MODULE_MAX)) {
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182 std::cout << "Invalid module received in LogManager: " << m << ", aborting\n";
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183 abort();
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184 }
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185 }
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186
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187 void LogManager::validateModuleDescription(logmodule_t module) {
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188 if (module == LM_CORE) {
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189 for (int m = static_cast<int>(LM_CORE)+1; m < static_cast<int>(LM_MODULE_MAX); m++) {
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190 if (moduleInfos[m].module != static_cast<logmodule_t>(m)) {
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191 std::ostringstream stream;
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192 stream << m;
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193 std::string msg = "Log module definition ids do not match in index ";
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194 msg += stream.str();
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195 std::cout << msg << std::endl;
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196 throw InvalidFormat(msg);
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197 }
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198 module_check_stack.clear();
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199 validateModuleDescription(static_cast<logmodule_t>(m));
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200 }
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201 } else {
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202 module_check_stack.push_back(module);
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203 if (count(module_check_stack.begin(), module_check_stack.end(), module) > 1) {
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204 throw InvalidFormat("Log module definition hierachy contains cycles");
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205 }
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206 }
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207 }
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208
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209 std::string LogManager::getModuleName(logmodule_t module) {
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diff changeset
210 return moduleInfos[module].name;
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211 }
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212 }