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#include "plugin.h"
#include <boost/dll/import.hpp>
#include <boost/filesystem.hpp>
#include <iostream>
#include <filesystem>
namespace dll = boost::dll;
namespace fs = std::filesystem;
using namespace std::string_literals;
PluginLoader::PluginLoader(Config& config): m_config{config}
{
}
void PluginLoader::load_plugins()
{
const auto& plugin_directories{m_config.PluginDirectories()};
for (const auto& dir: plugin_directories) {
for (auto& path: fs::recursive_directory_iterator(dir)) {
if (path.is_regular_file() && path.path().extension() == ".so"s) {
dll::fs::path lib_path{path.path()};
try {
boost::shared_ptr<webserver_plugin_interface> plugin = dll::import<webserver_plugin_interface>(lib_path, "webserver_plugin", dll::load_mode::append_decorations);
if (plugin) {
if (plugin->version() != webserver_plugin_interface::interface_version)
throw std::runtime_error("Bad interface version for "s + path.path().generic_string() + ": "s + std::to_string(plugin->version()) + " vs. "s + std::to_string(webserver_plugin_interface::interface_version));
std::string name{plugin->name()};
if (m_plugins.contains(name))
throw std::runtime_error("Plugin already exists: "s + name);
std::cout << "Found plugin: " << name << " (" << path.path().string() << "), ";
if (m_config.PluginIsConfigured(name)) {
std::cout << "loading.";
m_plugins.emplace(plugin->name(), plugin);
} else {
std::cout << "ignored (not configured).";
}
std::cout << std::endl;
} else
std::cout << "Can't load plugin from " << path.path().generic_string() << std::endl;
} catch (const std::exception& ex) {
std::cout << "Can't load plugin from " << path.path().generic_string() << ": " << ex.what() << std::endl;
}
}
}
}
}
bool PluginLoader::validate_config()
{
const auto& sites{m_config.Sites()};
for (const auto& site: sites) {
for (const auto& path: site.paths) {
if (path.type == Plugin) {
std::string plugin {path.params.at("plugin")};
if (!m_plugins.contains(plugin)) {
std::cout << "Configured plugin " << plugin << " not found" << std::endl;
return false;
}
}
}
}
return true;
}
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