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 "signature/impl/XMLSecSignature.h"
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27 #include "util/NDC.h"
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33 #include <log4cpp/Category.hh>
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34 #include <log4cpp/PropertyConfigurator.hh>
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35 #include <log4cpp/OstreamAppender.hh>
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36 #include <xercesc/util/PlatformUtils.hpp>
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37 #ifndef XMLTOOLING_NO_XMLSEC
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38 #include <xsec/framework/XSECProvider.hpp>
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41 #include <stdexcept>
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43 using namespace log4cpp;
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44 using namespace xmltooling;
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45 using namespace std;
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48 XMLToolingInternalConfig g_config;
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51 XMLToolingConfig& XMLToolingConfig::getConfig()
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56 XMLToolingInternalConfig& XMLToolingInternalConfig::getInternalConfig()
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61 bool XMLToolingInternalConfig::log_config(const char* config)
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64 if (!config || !*config)
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65 config=getenv("XMLTOOLING_LOG_CONFIG");
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66 if (!config || !*config)
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70 Category& root = Category::getRoot();
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71 if (!strcmp(config,"DEBUG")) {
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72 root.setPriority(Priority::DEBUG);
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75 else if (!strcmp(config,"INFO")) {
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76 root.setPriority(Priority::INFO);
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79 else if (!strcmp(config,"NOTICE")) {
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80 root.setPriority(Priority::NOTICE);
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83 else if (!strcmp(config,"WARN")) {
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84 root.setPriority(Priority::WARN);
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87 else if (!strcmp(config,"ERROR")) {
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88 root.setPriority(Priority::ERROR);
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91 else if (!strcmp(config,"CRIT")) {
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92 root.setPriority(Priority::CRIT);
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95 else if (!strcmp(config,"ALERT")) {
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96 root.setPriority(Priority::ALERT);
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99 else if (!strcmp(config,"EMERG")) {
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100 root.setPriority(Priority::EMERG);
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103 else if (!strcmp(config,"FATAL")) {
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104 root.setPriority(Priority::FATAL);
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108 root.setAppender(new OstreamAppender("default",&cerr));
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110 PropertyConfigurator::configure(config);
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112 catch (const ConfigureFailure& e) {
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113 Category::getInstance(XMLTOOLING_LOGCAT".Logging").crit("failed to initialize log4cpp: %s", e.what());
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120 bool XMLToolingInternalConfig::init()
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123 xmltooling::NDC ndc("init");
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125 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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127 log.debug("library initialization started");
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129 xercesc::XMLPlatformUtils::Initialize();
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130 log.debug("Xerces initialization complete");
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132 #ifndef XMLTOOLING_NO_XMLSEC
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133 XSECPlatformUtils::Initialise();
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134 m_xsecProvider=new XSECProvider();
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135 log.debug("XMLSec initialization complete");
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138 m_parserPool=new ParserPool();
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139 m_lock=xercesc::XMLPlatformUtils::makeMutex();
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141 // default registrations
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142 XMLObjectBuilder::registerDefaultBuilder(new UnknownElementBuilder());
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143 Marshaller::registerDefaultMarshaller(new UnknownElementMarshaller());
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144 Unmarshaller::registerDefaultUnmarshaller(new UnknownElementUnmarshaller());
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146 QName dsig(XMLConstants::XMLSIG_NS,Signature::LOCAL_NAME);
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147 XMLObjectBuilder::registerBuilder(dsig,new XMLSecSignatureBuilder());
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148 Marshaller::registerMarshaller(dsig,new XMLSecSignatureMarshaller());
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149 Unmarshaller::registerUnmarshaller(dsig,new XMLSecSignatureUnmarshaller());
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151 catch (const xercesc::XMLException&) {
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152 log.fatal("caught exception while initializing Xerces");
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156 log.info("library initialization complete");
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160 void XMLToolingInternalConfig::term()
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162 XMLObjectBuilder::destroyBuilders();
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163 Marshaller::destroyMarshallers();
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164 Unmarshaller::destroyUnmarshallers();
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166 for (vector<void*>::reverse_iterator i=m_libhandles.rbegin(); i!=m_libhandles.rend(); i++) {
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168 FARPROC fn=GetProcAddress(static_cast<HMODULE>(*i),"xmltooling_extension_term");
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171 FreeLibrary(static_cast<HMODULE>(*i));
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172 #elif defined(HAVE_DLFCN_H)
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173 void (*fn)()=(void (*)())dlsym(*i,"xmltooling_extension_term");
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178 # error "Don't know about dynamic loading on this platform!"
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181 m_libhandles.clear();
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183 delete m_parserPool;
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186 #ifndef XMLTOOLING_NO_XMLSEC
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187 delete m_xsecProvider;
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188 m_xsecProvider=NULL;
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189 XSECPlatformUtils::Terminate();
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192 xercesc::XMLPlatformUtils::closeMutex(m_lock);
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194 xercesc::XMLPlatformUtils::Terminate();
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197 xmltooling::NDC ndc("term");
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199 Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig").info("library shutdown complete");
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202 ILockable& XMLToolingInternalConfig::lock()
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204 xercesc::XMLPlatformUtils::lockMutex(m_lock);
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208 void XMLToolingInternalConfig::unlock()
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210 xercesc::XMLPlatformUtils::unlockMutex(m_lock);
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213 bool XMLToolingInternalConfig::load_library(const char* path, void* context)
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216 xmltooling::NDC ndc("LoadLibrary");
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218 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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219 log.info("loading extension: %s", path);
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221 Locker locker(this);
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224 HMODULE handle=NULL;
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225 char* fixed=const_cast<char*>(path);
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226 if (strchr(fixed,'/')) {
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227 fixed=strdup(path);
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229 while (p=strchr(p,'/'))
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233 UINT em=SetErrorMode(SEM_FAILCRITICALERRORS);
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235 handle=LoadLibraryEx(fixed,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
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237 handle=LoadLibraryEx(fixed,NULL,0);
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239 throw runtime_error(string("unable to load extension library: ") + fixed);
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240 FARPROC fn=GetProcAddress(handle,"xmltooling_extension_init");
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242 throw runtime_error(string("unable to locate xmltooling_extension_init entry point: ") + fixed);
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243 if (reinterpret_cast<int(*)(void*)>(fn)(context)!=0)
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244 throw runtime_error(string("detected error in xmltooling_extension_init: ") + fixed);
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249 catch(runtime_error& e) {
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250 log.error(e.what());
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252 FreeLibrary(handle);
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259 #elif defined(HAVE_DLFCN_H)
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260 void* handle=dlopen(path,RTLD_LAZY);
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262 throw runtime_error(string("unable to load extension library '") + path + "': " + dlerror());
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263 int (*fn)(void*)=(int (*)(void*))(dlsym(handle,"xmltooling_extension_init"));
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266 throw runtime_error(
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267 string("unable to locate xmltooling_extension_init entry point in '") + path + "': " +
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268 (dlerror() ? dlerror() : "unknown error")
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272 if (fn(context)!=0)
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273 throw runtime_error(string("detected error in xmltooling_extension_init in ") + path);
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275 catch(runtime_error& e) {
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276 log.error(e.what());
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282 # error "Don't know about dynamic loading on this platform!"
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284 m_libhandles.push_back(handle);
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285 log.info("loaded extension: %s", path);
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