mfs with plugin, wip bc plugin provides the backend (hardcoded)

plugins/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.9...3.24 FATAL_ERROR)
+
+########################################
+
+add_library(plugin_mfs_wip SHARED
+	./plugin_mfs_wip.cpp
+)
+target_compile_features(plugin_mfs_wip PUBLIC cxx_std_17)
+target_link_libraries(plugin_mfs_wip PUBLIC
+	solanaceae_plugin
+	solanaceae_message_fragment_store
+	solanaceae_object_store_backend_filesystem
+)
+

plugins/plugin_mfs_wip.cpp

@@ -0,0 +1,73 @@
+#include <cinttypes>
+#include <solanaceae/plugin/solana_plugin_v1.h>
+
+#include <solanaceae/message3/message_serializer.hpp>
+#include <solanaceae/object_store/backends/filesystem_storage.hpp>
+#include <solanaceae/message_fragment_store/message_fragment_store.hpp>
+
+#include <memory>
+#include <limits>
+#include <iostream>
+
+static std::unique_ptr<MessageFragmentStore> g_mfs = nullptr;
+static std::unique_ptr<backend::FilesystemStorage> g_fsb = nullptr;
+
+constexpr const char* plugin_name = "MessageFragmentStore";
+
+extern "C" {
+
+SOLANA_PLUGIN_EXPORT const char* solana_plugin_get_name(void) {
+	return plugin_name;
+}
+
+SOLANA_PLUGIN_EXPORT uint32_t solana_plugin_get_version(void) {
+	return SOLANA_PLUGIN_VERSION;
+}
+
+SOLANA_PLUGIN_EXPORT uint32_t solana_plugin_start(struct SolanaAPI* solana_api) {
+	std::cout << "PLUGIN " << plugin_name << " START()\n";
+
+	if (solana_api == nullptr) {
+		return 1;
+	}
+
+	try {
+		auto* cr = PLUG_RESOLVE_INSTANCE_VERSIONED(Contact3Registry, "1");
+		auto* rmm = PLUG_RESOLVE_INSTANCE(RegistryMessageModel);
+		auto* os = PLUG_RESOLVE_INSTANCE(ObjectStore2);
+		auto* msnj = PLUG_RESOLVE_INSTANCE(MessageSerializerNJ);
+
+		// static store, could be anywhere tho
+		// construct with fetched dependencies
+		g_fsb = std::make_unique<backend::FilesystemStorage>(*os, "test2_message_store/"); // TODO: use config?
+		g_mfs = std::make_unique<MessageFragmentStore>(*cr, *rmm, *os, *g_fsb, *msnj);
+
+		// register types
+		PLUG_PROVIDE_INSTANCE(MessageFragmentStore, plugin_name, g_mfs.get());
+	} catch (const ResolveException& e) {
+		std::cerr << "PLUGIN " << plugin_name << " " << e.what << "\n";
+		return 2;
+	}
+
+	return 0;
+}
+
+SOLANA_PLUGIN_EXPORT void solana_plugin_stop(void) {
+	std::cout << "PLUGIN " << plugin_name << " STOP()\n";
+
+	g_fsb.reset();
+	g_mfs.reset();
+}
+
+SOLANA_PLUGIN_EXPORT float solana_plugin_tick(float time_delta) {
+	static bool scan_triggered {false};
+	if (!scan_triggered) {
+		g_fsb->scanAsync();
+		scan_triggered = true;
+	}
+
+	return g_mfs->tick(time_delta);
+}
+
+} // extern C
+