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 "util/NDC.h"
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31 #include <log4cpp/Category.hh>
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32 #include <log4cpp/PropertyConfigurator.hh>
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33 #include <log4cpp/OstreamAppender.hh>
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34 #include <xercesc/util/PlatformUtils.hpp>
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35 #include <xsec/framework/XSECProvider.hpp>
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37 #include <stdexcept>
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39 using namespace log4cpp;
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40 using namespace xmltooling;
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41 using namespace std;
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44 XMLToolingInternalConfig g_config;
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47 XMLToolingConfig& XMLToolingConfig::getConfig()
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52 bool XMLToolingInternalConfig::log_config(const char* config)
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55 if (!config && !*config)
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56 config=getenv("XMLTOOLING_LOG_CONFIG");
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57 if (!config && !*config)
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61 Category& root = Category::getRoot();
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62 if (!strcmp(config,"DEBUG")) {
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63 root.setPriority(Priority::DEBUG);
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66 else if (!strcmp(config,"INFO")) {
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67 root.setPriority(Priority::INFO);
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70 else if (!strcmp(config,"NOTICE")) {
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71 root.setPriority(Priority::NOTICE);
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74 else if (!strcmp(config,"WARN")) {
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75 root.setPriority(Priority::WARN);
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78 else if (!strcmp(config,"ERROR")) {
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79 root.setPriority(Priority::ERROR);
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82 else if (!strcmp(config,"CRIT")) {
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83 root.setPriority(Priority::CRIT);
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86 else if (!strcmp(config,"ALERT")) {
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87 root.setPriority(Priority::ALERT);
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90 else if (!strcmp(config,"EMERG")) {
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91 root.setPriority(Priority::EMERG);
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94 else if (!strcmp(config,"FATAL")) {
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95 root.setPriority(Priority::FATAL);
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99 root.setAppender(new OstreamAppender("default",&cerr));
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101 PropertyConfigurator::configure(config);
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103 catch (const ConfigureFailure& e) {
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104 Category::getInstance(XMLTOOLING_LOGCAT".Logging").crit("failed to initialize log4cpp: %s", e.what());
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111 bool XMLToolingInternalConfig::init()
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114 xmltooling::NDC ndc("init");
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116 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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118 log.debug("library initialization started");
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120 xercesc::XMLPlatformUtils::Initialize();
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121 log.debug("Xerces initialization complete");
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123 XSECPlatformUtils::Initialise();
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124 //m_xsec=new XSECProvider();
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125 log.debug("XMLSec initialization complete");
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127 m_lock=xercesc::XMLPlatformUtils::makeMutex();
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129 catch (const xercesc::XMLException&) {
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130 log.fatal("caught exception while initializing Xerces");
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134 log.info("library initialization complete");
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138 void XMLToolingInternalConfig::term()
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140 for (vector<void*>::reverse_iterator i=m_libhandles.rbegin(); i!=m_libhandles.rend(); i++) {
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142 FARPROC fn=GetProcAddress(static_cast<HMODULE>(*i),"xmltooling_extension_term");
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145 FreeLibrary(static_cast<HMODULE>(*i));
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146 #elif defined(HAVE_DLFCN_H)
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147 void (*fn)()=(void (*)())dlsym(*i,"xmltooling_extension_term");
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152 # error "Don't know about dynamic loading on this platform!"
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155 m_libhandles.clear();
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157 //delete m_xsec; m_xsec=NULL;
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158 XSECPlatformUtils::Terminate();
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159 xercesc::XMLPlatformUtils::closeMutex(m_lock);
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160 xercesc::XMLPlatformUtils::Terminate();
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163 xmltooling::NDC ndc("term");
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165 Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig").info("library shutdown complete");
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168 ILockable& XMLToolingInternalConfig::lock()
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170 xercesc::XMLPlatformUtils::lockMutex(m_lock);
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174 void XMLToolingInternalConfig::unlock()
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176 xercesc::XMLPlatformUtils::unlockMutex(m_lock);
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179 bool XMLToolingInternalConfig::load_library(const char* path, void* context)
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182 xmltooling::NDC ndc("LoadLibrary");
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184 Category& log=Category::getInstance(XMLTOOLING_LOGCAT".XMLToolingConfig");
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185 log.info("loading extension: %s", path);
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187 Locker locker(this);
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190 HMODULE handle=NULL;
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191 char* fixed=const_cast<char*>(path);
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192 if (strchr(fixed,'/')) {
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193 fixed=strdup(path);
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195 while (p=strchr(p,'/'))
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199 UINT em=SetErrorMode(SEM_FAILCRITICALERRORS);
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201 handle=LoadLibraryEx(fixed,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
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203 handle=LoadLibraryEx(fixed,NULL,0);
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205 throw runtime_error(string("unable to load extension library: ") + fixed);
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206 FARPROC fn=GetProcAddress(handle,"xmltooling_extension_init");
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208 throw runtime_error(string("unable to locate xmltooling_extension_init entry point: ") + fixed);
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209 if (reinterpret_cast<int(*)(void*)>(fn)(context)!=0)
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210 throw runtime_error(string("detected error in xmltooling_extension_init: ") + fixed);
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215 catch(runtime_error& e) {
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216 log.error(e.what());
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218 FreeLibrary(handle);
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225 #elif defined(HAVE_DLFCN_H)
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226 void* handle=dlopen(path,RTLD_LAZY);
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228 throw runtime_error(string("unable to load extension library '") + path + "': " + dlerror());
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229 int (*fn)(void*)=(int (*)(void*))(dlsym(handle,"xmltooling_extension_init"));
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232 throw runtime_error(
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233 string("unable to locate xmltooling_extension_init entry point in '") + path + "': " +
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234 (dlerror() ? dlerror() : "unknown error")
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238 if (fn(context)!=0)
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239 throw runtime_error(string("detected error in xmltooling_extension_init in ") + path);
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241 catch(runtime_error& e) {
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242 log.error(e.what());
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248 # error "Don't know about dynamic loading on this platform!"
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250 m_libhandles.push_back(handle);
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251 log.info("loaded extension: %s", path);
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