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HierarchyMaintainer.cpp
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153 lines (127 loc) · 4.23 KB
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/*
* HierarchyMaintainer.cpp
*
* Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
* Copyright 2000, Bastiaan Bakker. All rights reserved.
*
* See the COPYING file for the terms of usage and distribution.
*/
#include "PortabilityImpl.hh"
#ifdef LOG4CPP_HAVE_IO_H
# include <io.h>
#endif
#ifdef LOG4CPP_HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <cstdio>
#include <cassert>
#include <log4cpp/HierarchyMaintainer.hh>
#include <log4cpp/FileAppender.hh>
namespace log4cpp {
HierarchyMaintainer::creator_function_t HierarchyMaintainer::_creator_function = 0;
HierarchyMaintainer& HierarchyMaintainer::getDefaultMaintainer() {
static HierarchyMaintainer defaultMaintainer;
return defaultMaintainer;
}
HierarchyMaintainer::HierarchyMaintainer() {
}
HierarchyMaintainer::~HierarchyMaintainer() {
shutdown();
deleteAllCategories();
}
Category* HierarchyMaintainer::getExistingInstance(const std::string& name) {
threading::ScopedLock lock(_categoryMutex);
return _getExistingInstance(name);
}
Category* HierarchyMaintainer::_getExistingInstance(const std::string& name) {
Category* result = NULL;
CategoryMap::iterator i = _categoryMap.find(name);
if (_categoryMap.end() != i) {
result = (*i).second;
}
return result;
}
Category& HierarchyMaintainer::getInstance(const std::string& name) {
threading::ScopedLock lock(_categoryMutex);
return _getInstance(name);
}
/* assume lock is held */
Category& HierarchyMaintainer::_getInstance(const std::string& name) {
Category* result;
result = _getExistingInstance(name);
if (NULL == result) {
if (name == "") {
result = make_category(name, NULL, Priority::INFO);
} else {
std::string parentName;
size_t dotIndex = name.find_last_of('.');
if (name.length() <= dotIndex) {
parentName = "";
} else {
parentName = name.substr(0, dotIndex);
}
Category& parent = _getInstance(parentName);
result = make_category(name, &parent, Priority::NOTSET);
}
_categoryMap[name] = result;
}
return *result;
}
std::vector<Category*>* HierarchyMaintainer::getCurrentCategories() const {
std::vector<Category*>* categories = new std::vector<Category*>;
threading::ScopedLock lock(_categoryMutex);
{
for(CategoryMap::const_iterator i = _categoryMap.begin(); i != _categoryMap.end(); i++) {
categories->push_back((*i).second);
}
}
return categories;
}
void HierarchyMaintainer::shutdown() {
threading::ScopedLock lock(_categoryMutex);
{
for(CategoryMap::const_iterator i = _categoryMap.begin(); i != _categoryMap.end(); i++) {
((*i).second)->removeAllAppenders();
}
}
try
{
for(handlers_t::const_iterator i = handlers_.begin(), last = handlers_.end(); i != last; ++i)
(**i)();
}
catch(...)
{
}
}
void HierarchyMaintainer::register_shutdown_handler(shutdown_fun_ptr handler)
{
handlers_.push_back(handler);
}
void HierarchyMaintainer::deleteAllCategories() {
threading::ScopedLock lock(_categoryMutex);
{
for(CategoryMap::const_iterator i = _categoryMap.begin(); i != _categoryMap.end(); i++) {
delete ((*i).second);
}
_categoryMap.erase(_categoryMap.begin(), _categoryMap.end());
}
}
void HierarchyMaintainer::set_category_factory(creator_function_t creator_function)
{
assert(0 != creator_function);
_creator_function = creator_function;
}
Category* HierarchyMaintainer::make_category(const std::string& name,
Category* parent,
Priority::Value priority)
{
if (_creator_function)
{
return (*_creator_function)(name, parent, priority);
}
else
{
return new Category(name, parent, priority);
}
}
}