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modules now can access config entries in a new conf.d dir pulled by DPM core (ini file format)

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Chris Punches
2025-03-02 00:29:26 -05:00
parent 6220653d10
commit 299b8dd989
17 changed files with 775 additions and 138 deletions
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88
include/ConfigManager.hpp Normal file
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@@ -0,0 +1,88 @@
/**
* @file ConfigManager.hpp
* @brief Configuration management system for the DPM utility
*
* Defines the ConfigManager class which is responsible for loading, parsing,
* and providing access to configuration values from INI-style files in the
* /etc/dpm/conf.d/ directory. Supports the configuration needs of both the
* DPM core and its modules.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* For bug reports or contributions, please contact the dhlp-contributors
* mailing list at: https://lists.darkhorselinux.org/mailman/listinfo/dhlp-contributors
*/
#pragma once
#include <string>
#include <map>
#include <vector>
#include <filesystem>
#include <fstream>
#include <iostream>
#include <algorithm>
#include <cstdlib>
#include <optional>
#include <string.h>
#include <dirent.h>
class ConfigManager {
public:
// Constructor
ConfigManager(const std::string& config_dir = "/etc/dpm/conf.d/");
// Load all configuration files from the config directory
bool loadConfigurations();
// Get configuration values with type conversion
const char* getConfigValue(const char* section, const char* key) const;
std::string getConfigString(const char* section, const char* key, const std::string& defaultValue = "") const;
int getConfigInt(const char* section, const char* key, int defaultValue = 0) const;
double getConfigDouble(const char* section, const char* key, double defaultValue = 0.0) const;
bool getConfigBool(const char* section, const char* key, bool defaultValue = false) const;
// Check if configuration directory exists
bool configDirExists() const;
// Check if a configuration key exists
bool hasConfigKey(const char* section, const char* key) const;
private:
// Default section name to use when none is specified
static constexpr const char* DEFAULT_SECTION = "MAIN";
// Parse a single configuration file
bool parseConfigFile(const std::filesystem::path& config_file);
// Trim whitespace from a string
std::string trimWhitespace(const std::string& str) const;
// Find a key in the given section or in the default section
std::optional<std::reference_wrapper<const std::string>> findConfigValue(const std::string& section, const std::string& key) const;
// Configuration directory path
std::string _config_dir;
// Configuration data structure: section -> key -> value
std::map<std::string, std::map<std::string, std::string>> _config_data;
};
// Global configuration manager instance
extern ConfigManager g_config_manager;

57
include/ModuleLoader.hpp
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@@ -1,31 +1,31 @@
/**
* @file ModuleLoader.hpp
* @brief Dynamic module loading and management for DPM
*
* Defines the ModuleLoader class which is responsible for finding, loading,
* validating, and executing DPM modules. It handles the dynamic loading of
* shared objects and ensures they conform to the expected module interface.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* For bug reports or contributions, please contact the dhlp-contributors
* mailing list at: https://lists.darkhorselinux.org/mailman/listinfo/dhlp-contributors
* @file ModuleLoader.hpp
* @brief Dynamic module loading and management for DPM
*
* Defines the ModuleLoader class which is responsible for finding, loading,
* validating, and executing DPM modules. It handles the dynamic loading of
* shared objects and ensures they conform to the expected module interface.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* For bug reports or contributions, please contact the dhlp-contributors
* mailing list at: https://lists.darkhorselinux.org/mailman/listinfo/dhlp-contributors
*/
#pragma once
@@ -33,16 +33,15 @@
#include <string>
#include <vector>
#include <filesystem>
#include <dlfcn.h>
#include <iostream>
#include <cstring>
#include <dlfcn.h>
#include <dirent.h>
#include <sys/stat.h>
#include "error.hpp"
#include "module_interface.hpp"
class ModuleLoader {
public:
// initializer

6
include/dpm_interface.hpp
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@@ -1,5 +1,5 @@
/**
* @file dpm_interface.hpp
* @file dpm_interface.hpp
* @brief Interface declarations for the DPM command-line functionality
*
* Defines the public interface methods that provide human-readable interaction
@@ -30,11 +30,11 @@
#pragma once
#include <iostream>
#include <getopt.h>
#include <vector>
#include <dlfcn.h>
#include <iomanip>
#include <filesystem>
#include <dlfcn.h>
#include <getopt.h>
#include "error.hpp"
#include "ModuleLoader.hpp"

3
include/dpm_interface_helpers.hpp
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@@ -1,5 +1,5 @@
/**
* @file dpm_interface_helpers.hpp
* @file dpm_interface_helpers.hpp
* @brief Helper functions for DPM command-line interface
*
* Provides utility functions for command-line argument parsing and
@@ -29,6 +29,7 @@
*/
#pragma once
#include <string>
#include <iostream>
#include <getopt.h>

4
include/error.hpp
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@@ -1,5 +1,5 @@
/**
* @file error.hpp
* @file error.hpp
* @brief Error handling system for the DPM utility
*
* Defines the error categories, error context structure, and utility
@@ -29,6 +29,7 @@
*/
#pragma once
#include <iostream>
// global errors for the core DPM routing/execution component
@@ -59,4 +60,3 @@ typedef struct {
// shorthand for creating a FlexDPMError instance
FlexDPMError make_error( DPMErrorCategory error_category );

4
include/handlers.hpp
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@@ -1,5 +1,5 @@
/**
* @file handlers.hpp
* @file handlers.hpp
* @brief Error handling functions for the DPM system
*
* Defines specialized handler functions for each error category in the DPM
@@ -29,8 +29,8 @@
*/
#pragma once
#include <iostream>
#include <iostream>
#include "error.hpp"
// fatal error routing method

64
include/module_interface.hpp
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@@ -1,36 +1,41 @@
/**
* @file module_interface.hpp
* @brief Defines the interface for DPM modules
*
* Establishes the required symbols and common interface that all DPM modules
* must implement to be loadable and executable by the core DPM system.
* This forms the contract between the main DPM application and its modules.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* For bug reports or contributions, please contact the dhlp-contributors
* mailing list at: https://lists.darkhorselinux.org/mailman/listinfo/dhlp-contributors
* @file module_interface.hpp
* @brief Defines the interface for DPM modules
*
* Establishes the required symbols and common interface that all DPM modules
* must implement to be loadable and executable by the core DPM system.
* This forms the contract between the main DPM application and its modules.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* For bug reports or contributions, please contact the dhlp-contributors
* mailing list at: https://lists.darkhorselinux.org/mailman/listinfo/dhlp-contributors
*/
#pragma once
#include <string>
#include <vector>
#include <iostream>
#include "ConfigManager.hpp"
/*
* Provides reserved symbol names we look for in modules.
@@ -59,4 +64,7 @@ extern "C" {
// Callback function exposed by DPM core for modules to use
int dpm_core_callback(const char* action, const char* data);
}
// Direct configuration access function
const char* dpm_get_config(const char* section, const char* key);
}