2 * Copyright 2001-2006 Internet2
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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18 * XMLToolingConfig.cpp
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20 * Library configuration
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23 #include "internal.h"
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24 #include "XMLToolingConfig.h"
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25 #include "impl/UnknownElement.h"
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26 #include "util/NDC.h"
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32 #include <log4cpp/Category.hh>
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33 #include <log4cpp/PropertyConfigurator.hh>
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34 #include <log4cpp/OstreamAppender.hh>
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35 #include <xercesc/util/PlatformUtils.hpp>
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36 #include <xsec/framework/XSECProvider.hpp>
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38 #include <stdexcept>
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40 using namespace log4cpp;
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41 using namespace xmltooling;
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42 using namespace std;
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45 XMLToolingInternalConfig g_config;
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48 XMLToolingConfig& XMLToolingConfig::getConfig()
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53 XMLToolingInternalConfig& XMLToolingInternalConfig::getInternalConfig()
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58 bool XMLToolingInternalConfig::log_config(const char* config)
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61 if (!config || !*config)
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62 config=getenv("XMLTOOLING_LOG_CONFIG");
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63 if (!config || !*config)
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67 Category& root = Category::getRoot();
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68 if (!strcmp(config,"DEBUG")) {
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69 root.setPriority(Priority::DEBUG);
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72 else if (!strcmp(config,"INFO")) {
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73 root.setPriority(Priority::INFO);
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76 else if (!strcmp(config,"NOTICE")) {
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77 root.setPriority(Priority::NOTICE);
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80 else if (!strcmp(config,"WARN")) {
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81 root.setPriority(Priority::WARN);
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84 else if (!strcmp(config,"ERROR")) {
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85 root.setPriority(Priority::ERROR);
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88 else if (!strcmp(config,"CRIT")) {
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89 root.setPriority(Priority::CRIT);
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92 else if (!strcmp(config,"ALERT")) {
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93 root.setPriority(Priority::ALERT);
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96 else if (!strcmp(config,"EMERG")) {
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97 root.setPriority(Priority::EMERG);
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100 else if (!strcmp(config,"FATAL")) {
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101 root.setPriority(Priority::FATAL);
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105 root.setAppender(new OstreamAppender("default",&cerr));
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107 PropertyConfigurator::configure(config);
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109 catch (const ConfigureFailure& e) {
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110 Category::getInstance(XMLTOOLING_LOGCAT".Logging").crit("failed to initialize log4cpp: %s", e.what());
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117 bool XMLToolingInternalConfig::init()
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120 xmltooling::NDC ndc("init");
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122 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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124 log.debug("library initialization started");
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126 xercesc::XMLPlatformUtils::Initialize();
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127 log.debug("Xerces initialization complete");
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129 XSECPlatformUtils::Initialise();
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130 //m_xsec=new XSECProvider();
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131 log.debug("XMLSec initialization complete");
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133 m_parserPool=new ParserPool();
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134 m_lock=xercesc::XMLPlatformUtils::makeMutex();
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136 // default registrations
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137 XMLObjectBuilder::registerDefaultBuilder(new UnknownElementBuilder());
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138 Marshaller::registerDefaultMarshaller(new UnknownElementMarshaller());
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139 Unmarshaller::registerDefaultUnmarshaller(new UnknownElementUnmarshaller());
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141 catch (const xercesc::XMLException&) {
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142 log.fatal("caught exception while initializing Xerces");
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146 log.info("library initialization complete");
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150 void XMLToolingInternalConfig::term()
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152 // default registrations
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153 XMLObjectBuilder::deregisterDefaultBuilder();
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154 Marshaller::deregisterDefaultMarshaller();
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155 Unmarshaller::deregisterDefaultUnmarshaller();
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157 for (vector<void*>::reverse_iterator i=m_libhandles.rbegin(); i!=m_libhandles.rend(); i++) {
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159 FARPROC fn=GetProcAddress(static_cast<HMODULE>(*i),"xmltooling_extension_term");
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162 FreeLibrary(static_cast<HMODULE>(*i));
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163 #elif defined(HAVE_DLFCN_H)
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164 void (*fn)()=(void (*)())dlsym(*i,"xmltooling_extension_term");
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169 # error "Don't know about dynamic loading on this platform!"
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172 m_libhandles.clear();
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174 delete m_parserPool;
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177 //delete m_xsec; m_xsec=NULL;
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178 XSECPlatformUtils::Terminate();
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179 xercesc::XMLPlatformUtils::closeMutex(m_lock);
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181 xercesc::XMLPlatformUtils::Terminate();
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184 xmltooling::NDC ndc("term");
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186 Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig").info("library shutdown complete");
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189 ILockable& XMLToolingInternalConfig::lock()
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191 xercesc::XMLPlatformUtils::lockMutex(m_lock);
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195 void XMLToolingInternalConfig::unlock()
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197 xercesc::XMLPlatformUtils::unlockMutex(m_lock);
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200 bool XMLToolingInternalConfig::load_library(const char* path, void* context)
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203 xmltooling::NDC ndc("LoadLibrary");
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205 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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206 log.info("loading extension: %s", path);
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208 Locker locker(this);
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211 HMODULE handle=NULL;
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212 char* fixed=const_cast<char*>(path);
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213 if (strchr(fixed,'/')) {
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214 fixed=strdup(path);
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216 while (p=strchr(p,'/'))
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220 UINT em=SetErrorMode(SEM_FAILCRITICALERRORS);
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222 handle=LoadLibraryEx(fixed,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
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224 handle=LoadLibraryEx(fixed,NULL,0);
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226 throw runtime_error(string("unable to load extension library: ") + fixed);
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227 FARPROC fn=GetProcAddress(handle,"xmltooling_extension_init");
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229 throw runtime_error(string("unable to locate xmltooling_extension_init entry point: ") + fixed);
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230 if (reinterpret_cast<int(*)(void*)>(fn)(context)!=0)
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231 throw runtime_error(string("detected error in xmltooling_extension_init: ") + fixed);
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236 catch(runtime_error& e) {
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237 log.error(e.what());
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239 FreeLibrary(handle);
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246 #elif defined(HAVE_DLFCN_H)
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247 void* handle=dlopen(path,RTLD_LAZY);
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249 throw runtime_error(string("unable to load extension library '") + path + "': " + dlerror());
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250 int (*fn)(void*)=(int (*)(void*))(dlsym(handle,"xmltooling_extension_init"));
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253 throw runtime_error(
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254 string("unable to locate xmltooling_extension_init entry point in '") + path + "': " +
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255 (dlerror() ? dlerror() : "unknown error")
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259 if (fn(context)!=0)
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260 throw runtime_error(string("detected error in xmltooling_extension_init in ") + path);
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262 catch(runtime_error& e) {
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263 log.error(e.what());
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269 # error "Don't know about dynamic loading on this platform!"
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271 m_libhandles.push_back(handle);
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272 log.info("loaded extension: %s", path);
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