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/* |
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* Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "Configuration.h" |
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#include <stdlib.h> |
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using namespace libconfig; |
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namespace Util { |
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|
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IMPL_DEBUG_MODULE( Configuration, Configuration, DEBUG_LEVEL_NORMAL ); |
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|
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Configuration::Configuration() |
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{ |
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|
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} |
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|
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Configuration::~Configuration() |
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{ |
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while(m_ConfigFiles.size()) { |
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delete m_ConfigFiles.back(); |
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m_ConfigFiles.pop_back(); |
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} |
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} |
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|
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bool |
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Configuration::openFile(std::string filename, enum eFileMode mode) |
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{ |
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// check if not already open |
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if(findFileName(filename) >= 0) { |
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debugError("file already open\n"); |
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return false; |
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} |
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|
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ConfigFile *c = new ConfigFile(*this, filename, mode); |
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switch(mode) { |
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case eFM_ReadOnly: |
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case eFM_ReadWrite: |
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try { |
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c->readFile(); |
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} catch (FileIOException& e) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Could not open file: %s\n", filename.c_str()); |
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delete c; |
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return false; |
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} catch (ParseException& e) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Could not parse file: %s\n", filename.c_str()); |
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delete c; |
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return false; |
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} catch (...) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Unknown exception when opening file: %s\n", filename.c_str()); |
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delete c; |
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return false; |
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} |
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break; |
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default: |
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break; |
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} |
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m_ConfigFiles.push_back(c); |
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return true; |
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} |
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|
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bool |
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Configuration::closeFile(std::string filename) |
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{ |
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int idx = findFileName(filename); |
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if(idx >= 0) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Closing config file: %s\n", filename.c_str()); |
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ConfigFile *c = m_ConfigFiles.at(idx); |
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m_ConfigFiles.erase(m_ConfigFiles.begin()+idx); |
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delete c; |
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return true; |
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} else { |
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debugError("file not open\n"); |
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return false; |
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} |
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} |
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|
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bool |
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Configuration::saveFile(std::string name) |
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{ |
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int idx = findFileName(name); |
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if(idx >= 0) { |
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ConfigFile *c = m_ConfigFiles.at(idx); |
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switch(c->getMode()) { |
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case eFM_ReadOnly: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Not saving readonly config file: %s\n", c->getName().c_str()); |
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break; |
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case eFM_Temporary: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Not saving temporary config file: %s\n", c->getName().c_str()); |
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break; |
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case eFM_ReadWrite: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Saving config file: %s\n", c->getName().c_str()); |
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try { |
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c->writeFile(); |
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} catch (...) { |
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debugError("Could not write file: %s\n", c->getName().c_str()); |
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return false; |
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} |
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default: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "bad mode for file: %s\n", c->getName().c_str()); |
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} |
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} |
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return true; |
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} |
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|
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bool |
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Configuration::save() |
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{ |
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bool retval = true; |
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for (unsigned int idx = 0; idx < m_ConfigFiles.size(); idx++) { |
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ConfigFile *c = m_ConfigFiles.at(idx); |
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switch(c->getMode()) { |
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case eFM_ReadOnly: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Not saving readonly config file: %s\n", c->getName().c_str()); |
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break; |
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case eFM_Temporary: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Not saving temporary config file: %s\n", c->getName().c_str()); |
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break; |
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case eFM_ReadWrite: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Saving config file: %s\n", c->getName().c_str()); |
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try { |
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c->writeFile(); |
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} catch (...) { |
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debugError("Could not write file: %s\n", c->getName().c_str()); |
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retval = false; |
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} |
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default: |
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debugOutput(DEBUG_LEVEL_VERBOSE, "bad mode for file: %s\n", c->getName().c_str()); |
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} |
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} |
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return retval; |
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} |
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void |
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Configuration::ConfigFile::showSetting(libconfig::Setting &s, std::string prefix) |
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{ |
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unsigned int children = s.getLength(); |
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Setting::Type t = s.getType(); |
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switch(t) { |
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case Setting::TypeGroup: |
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debugOutput(DEBUG_LEVEL_NORMAL, " %sGroup: %s\n", prefix.c_str(), s.getName()); |
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for(unsigned int i = 0; i < children; i++) { |
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showSetting(s[i], prefix + " "); |
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} |
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break; |
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case Setting::TypeList: |
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debugOutput(DEBUG_LEVEL_NORMAL, " %sList: %s\n", prefix.c_str(), s.getName()); |
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for(unsigned int i = 0; i < children; i++) { |
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showSetting(s[i], prefix + " "); |
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} |
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break; |
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case Setting::TypeArray: |
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debugOutput(DEBUG_LEVEL_NORMAL, " %sArray: %s\n", prefix.c_str(), s.getName()); |
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for(unsigned int i = 0; i < children; i++) { |
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showSetting(s[i], prefix + " "); |
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} |
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break; |
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case Setting::TypeInt: |
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{ |
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int32_t i = s; |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = %ld (0x%08lX)\n", |
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prefix.c_str(), s.getName(), i, i); |
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} |
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break; |
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case Setting::TypeInt64: |
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{ |
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int64_t i = s; |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = %lld (0x%016llX)\n", |
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prefix.c_str(), s.getName(), i, i); |
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} |
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break; |
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case Setting::TypeFloat: |
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{ |
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float f = s; |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = %f\n", |
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prefix.c_str(), s.getName(), f); |
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} |
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break; |
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case Setting::TypeString: |
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{ |
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std::string str = s; |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = %s\n", |
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prefix.c_str(), s.getName(), str.c_str()); |
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} |
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break; |
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case Setting::TypeBoolean: |
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{ |
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bool b = s; |
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std::string str = (b?"true":"false"); |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = %s\n", |
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prefix.c_str(), s.getName(), str.c_str()); |
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} |
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break; |
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default: |
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{ |
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debugOutput(DEBUG_LEVEL_NORMAL, |
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" %s%s = Unsupported Type\n", |
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prefix.c_str(), s.getName()); |
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} |
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break; |
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} |
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} |
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bool |
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Configuration::getValueForSetting(std::string path, int32_t &ref) |
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{ |
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libconfig::Setting *s = getSetting( path ); |
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if(s) { |
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// FIXME: this can be done using the libconfig methods |
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Setting::Type t = s->getType(); |
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if(t == Setting::TypeInt) { |
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ref = *s; |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' has value %d\n", path.c_str(), ref); |
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return true; |
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} else { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' has wrong type\n", path.c_str()); |
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return false; |
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} |
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} else { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' not found\n", path.c_str()); |
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return false; |
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} |
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} |
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bool |
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Configuration::getValueForSetting(std::string path, int64_t &ref) |
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{ |
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libconfig::Setting *s = getSetting( path ); |
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if(s) { |
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// FIXME: this can be done using the libconfig methods |
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Setting::Type t = s->getType(); |
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if(t == Setting::TypeInt64) { |
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ref = *s; |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' has value %d\n", path.c_str(), ref); |
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return true; |
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} else { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' has wrong type\n", path.c_str()); |
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return false; |
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} |
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} else { |
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debugOutput(DEBUG_LEVEL_VERBOSE, "path '%s' not found\n", path.c_str()); |
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return false; |
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} |
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} |
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|
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libconfig::Setting * |
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Configuration::getSetting( std::string path ) |
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{ |
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for ( std::vector<ConfigFile *>::iterator it = m_ConfigFiles.begin(); |
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it != m_ConfigFiles.end(); |
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++it ) |
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{ |
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ConfigFile *c = *it; |
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try { |
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Setting &s = c->lookup(path); |
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return &s; |
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} catch (...) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, " %s has no setting %s\n", |
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c->getName().c_str(), path.c_str()); |
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} |
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} |
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return NULL; |
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} |
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|
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|
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Configuration::VendorModelEntry |
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Configuration::findDeviceVME( unsigned int vendor_id, unsigned model_id ) |
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{ |
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for ( std::vector<ConfigFile *>::iterator it = m_ConfigFiles.begin(); |
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it != m_ConfigFiles.end(); |
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++it ) |
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{ |
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ConfigFile *c = *it; |
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try { |
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Setting &list = c->lookup("device_definitions"); |
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unsigned int children = list.getLength(); |
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for(unsigned int i = 0; i < children; i++) { |
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Setting &s = list[i]; |
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try { |
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Setting &vendorid = s["vendorid"]; |
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Setting &modelid = s["modelid"]; |
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uint32_t vid = vendorid; |
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uint32_t mid = modelid; |
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if (vendor_id == vid && model_id == mid) { |
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struct VendorModelEntry vme; |
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vme.vendor_id = vendorid; |
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vme.model_id = modelid; |
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|
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const char *tmp = s["vendorname"]; |
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vme.vendor_name = tmp; |
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tmp = s["modelname"]; |
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vme.model_name = tmp; |
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vme.driver = s["driver"]; |
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debugOutput(DEBUG_LEVEL_VERBOSE, |
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" device VME for %X:%x found in %s\n", |
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vendor_id, model_id, c->getName().c_str()); |
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c->showSetting(s); |
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return vme; |
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} |
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} catch (...) { |
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debugWarning("Bogus format\n"); |
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} |
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} |
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} catch (...) { |
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debugOutput(DEBUG_LEVEL_VERBOSE, " %s has no device definitions\n", c->getName().c_str()); |
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} |
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} |
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struct VendorModelEntry invalid; |
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return invalid; |
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} |
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|
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bool |
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Configuration::isDeviceVMEPresent( unsigned int vendor_id, unsigned model_id ) |
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{ |
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return isValid(findDeviceVME( vendor_id, model_id )); |
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} |
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bool |
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Configuration::isValid( const Configuration::VendorModelEntry& vme ) |
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{ |
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struct VendorModelEntry invalid; |
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return !(vme==invalid); |
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} |
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|
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void |
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Configuration::ConfigFile::show() |
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{ |
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debugOutput(DEBUG_LEVEL_NORMAL, " config file: %s\n", getName().c_str()); |
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Setting &root = getRoot(); |
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if(root.getLength()) { |
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showSetting(root, ""); |
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} else { |
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debugOutput(DEBUG_LEVEL_NORMAL, " Empty\n"); |
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} |
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} |
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|
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void |
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Configuration::show() |
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{ |
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debugOutput(DEBUG_LEVEL_NORMAL, "Configuration:\n"); |
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for (unsigned int idx = 0; idx < m_ConfigFiles.size(); idx++) { |
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ConfigFile *c = m_ConfigFiles.at(idx); |
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c->show(); |
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} |
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} |
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|
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int |
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Configuration::findFileName(std::string s) { |
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int i=0; |
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for ( std::vector<ConfigFile *>::iterator it = m_ConfigFiles.begin(); |
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it != m_ConfigFiles.end(); |
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++it ) |
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{ |
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if((*it)->getName() == s) { |
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return i; |
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} |
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i++; |
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} |
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return -1; |
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} |
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|
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void |
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Configuration::ConfigFile::readFile() |
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{ |
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std::string filename = m_name; |
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// fix up the '~' as homedir |
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std::string::size_type pos = filename.find_first_of("~"); |
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if(pos != std::string::npos) { |
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char *homedir = getenv("HOME"); |
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if(homedir) { |
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std::string home = homedir; |
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filename.replace( pos, 1, home, 0, home.length()); |
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} |
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} |
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Config::readFile(filename.c_str()); |
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} |
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|
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void |
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Configuration::ConfigFile::writeFile() |
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{ |
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std::string filename = m_name; |
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// fix up the '~' as homedir |
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std::string::size_type pos = filename.find_first_of("~"); |
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if(pos != std::string::npos) { |
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char *homedir = getenv("HOME"); |
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if(homedir) { |
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std::string home = homedir; |
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filename.replace( pos, 1, home, 0, home.length()); |
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} |
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} |
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Config::writeFile(filename.c_str()); |
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} |
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|
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Configuration::VendorModelEntry::VendorModelEntry() |
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: vendor_id( 0 ) |
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, model_id( 0 ) |
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, driver( 0 ) |
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{ |
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} |
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426 |
|
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Configuration::VendorModelEntry::VendorModelEntry( const VendorModelEntry& rhs ) |
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: vendor_id( rhs.vendor_id ) |
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, model_id( rhs.model_id ) |
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, vendor_name( rhs.vendor_name ) |
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, model_name( rhs.model_name ) |
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, driver( rhs.driver ) |
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{ |
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} |
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435 |
|
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Configuration::VendorModelEntry& |
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Configuration::VendorModelEntry::operator = ( const VendorModelEntry& rhs ) |
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{ |
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// check for assignment to self |
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440 |
if ( this == &rhs ) return *this; |
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|
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442 |
vendor_id = rhs.vendor_id; |
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443 |
model_id = rhs.model_id; |
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444 |
vendor_name = rhs.vendor_name; |
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445 |
model_name = rhs.model_name; |
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446 |
driver = rhs.driver; |
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447 |
|
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448 |
return *this; |
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449 |
} |
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450 |
|
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451 |
bool |
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452 |
Configuration::VendorModelEntry::operator == ( const VendorModelEntry& rhs ) const |
---|
453 |
{ |
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454 |
bool equal=true; |
---|
455 |
|
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456 |
equal &= (vendor_id == rhs.vendor_id); |
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457 |
equal &= (model_id == rhs.model_id); |
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equal &= (vendor_name == rhs.vendor_name); |
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459 |
equal &= (model_name == rhs.model_name); |
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equal &= (driver == rhs.driver); |
---|
461 |
|
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462 |
return equal; |
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463 |
} |
---|
464 |
|
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465 |
Configuration::VendorModelEntry::~VendorModelEntry() |
---|
466 |
{ |
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467 |
} |
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468 |
|
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469 |
} // namespace Util |
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