Use c++ std::filesystem instead of boost::filesystem

nano/core_test/block_store.cpp

@@ -18,8 +18,6 @@
 
 #include <gtest/gtest.h>
 
-#include <boost/filesystem.hpp>
-
 #include <cstdlib>
 #include <fstream>
 #include <unordered_set>
@@ -680,7 +678,7 @@ TEST (mdb_block_store, bad_path)
 		{
 			std::ofstream stream (path.c_str ());
 		}
-		boost::filesystem::permissions (path, boost::filesystem::perms::no_perms);
+		std::filesystem::permissions (path, std::filesystem::perms::none);
 		nano::store::lmdb::component store (logger, path, nano::dev::constants);
 	}
 	catch (std::runtime_error &)
@@ -693,7 +691,7 @@ TEST (mdb_block_store, bad_path)
 TEST (block_store, DISABLED_already_open) // File can be shared
 {
 	auto path (nano::unique_path ());
-	boost::filesystem::create_directories (path.parent_path ());
+	std::filesystem::create_directories (path.parent_path ());
 	nano::set_secure_perm_directory (path.parent_path ());
 	std::ofstream file;
 	file.open (path.string ().c_str ());
@@ -1457,7 +1455,7 @@ TEST (mdb_block_store, upgrade_backup)
 		GTEST_SKIP ();
 	}
 	auto dir (nano::unique_path ());
-	namespace fs = boost::filesystem;
+	namespace fs = std::filesystem;
 	fs::create_directory (dir);
 	auto path = dir / "data.ldb";
 	/** Returns 'dir' if backup file cannot be found */

nano/core_test/logger.cpp

@@ -94,14 +94,14 @@ TEST (logger, stable_filename)
 	auto log_file = path / "log" / "node.log";
 
 #if BOOST_VERSION >= 107000
-	EXPECT_TRUE (boost::filesystem::exists (log_file));
+	EXPECT_TRUE (std::filesystem::exists (log_file));
 	// Try opening it again
 	logging.release_file_sink ();
 	logging.init (path);
 	logger.always_log ("stable2");
 #else
 	// When using Boost < 1.70 , behavior is reverted to not using the stable filename
-	EXPECT_FALSE (boost::filesystem::exists (log_file));
+	EXPECT_FALSE (std::filesystem::exists (log_file));
 #endif
 
 	// Reset the logger

nano/core_test/node.cpp

@@ -4312,12 +4312,12 @@ TEST (node_config, node_id_private_key_persistence)
 
 	// create the directory and the file
 	auto path = nano::unique_path ();
-	ASSERT_TRUE (boost::filesystem::create_directories (path));
+	ASSERT_TRUE (std::filesystem::create_directories (path));
 	auto priv_key_filename = path / "node_id_private.key";
 
 	// check that the key generated is random when the key does not exist
 	nano::keypair kp1 = nano::load_or_create_node_id (path, logger);
-	boost::filesystem::remove (priv_key_filename);
+	std::filesystem::remove (priv_key_filename);
 	nano::keypair kp2 = nano::load_or_create_node_id (path, logger);
 	ASSERT_NE (kp1.prv, kp2.prv);
 

nano/core_test/toml.cpp

@@ -71,7 +71,7 @@ TEST (toml, diff_equal)
 TEST (toml, daemon_config_update_array)
 {
 	nano::tomlconfig t;
-	boost::filesystem::path data_path (".");
+	std::filesystem::path data_path (".");
 	nano::daemon_config c{ data_path, nano::dev::network_params };
 	c.node.preconfigured_peers.push_back ("dev-peer.org");
 	c.serialize_toml (t);
@@ -874,7 +874,7 @@ TEST (toml, daemon_config_deserialize_errors)
 TEST (toml, daemon_read_config)
 {
 	auto path (nano::unique_path ());
-	boost::filesystem::create_directories (path);
+	std::filesystem::create_directories (path);
 	nano::daemon_config config;
 	std::vector<std::string> invalid_overrides1{ "node.max_work_generate_multiplier=0" };
 	std::string expected_message1{ "max_work_generate_multiplier must be greater than or equal to 1" };
@@ -883,7 +883,7 @@ TEST (toml, daemon_read_config)
 	std::string expected_message2{ "Value must follow after a '=' at line 2" };
 
 	// Reading when there is no config file
-	ASSERT_FALSE (boost::filesystem::exists (nano::get_node_toml_config_path (path)));
+	ASSERT_FALSE (std::filesystem::exists (nano::get_node_toml_config_path (path)));
 	ASSERT_FALSE (nano::read_node_config_toml (path, config));
 	{
 		auto error = nano::read_node_config_toml (path, config, invalid_overrides1);
@@ -901,7 +901,7 @@ TEST (toml, daemon_read_config)
 	toml.write (nano::get_node_toml_config_path (path));
 
 	// Reading when there is a config file
-	ASSERT_TRUE (boost::filesystem::exists (nano::get_node_toml_config_path (path)));
+	ASSERT_TRUE (std::filesystem::exists (nano::get_node_toml_config_path (path)));
 	ASSERT_FALSE (nano::read_node_config_toml (path, config));
 	{
 		auto error = nano::read_node_config_toml (path, config, invalid_overrides1);

nano/core_test/utility.cpp

@@ -234,50 +234,50 @@ TEST (filesystem, remove_all_files)
 {
 	auto path = nano::unique_path ();
 	auto dummy_directory = path / "tmp";
-	boost::filesystem::create_directories (dummy_directory);
+	std::filesystem::create_directories (dummy_directory);
 
 	auto dummy_file1 = path / "my_file1.txt";
 	auto dummy_file2 = path / "my_file2.txt";
 	std::ofstream (dummy_file1.string ());
 	std::ofstream (dummy_file2.string ());
 
 	// Check all exist
-	ASSERT_TRUE (boost::filesystem::exists (dummy_directory));
-	ASSERT_TRUE (boost::filesystem::exists (dummy_file1));
-	ASSERT_TRUE (boost::filesystem::exists (dummy_file2));
+	ASSERT_TRUE (std::filesystem::exists (dummy_directory));
+	ASSERT_TRUE (std::filesystem::exists (dummy_file1));
+	ASSERT_TRUE (std::filesystem::exists (dummy_file2));
 
 	// Should remove only the files
 	nano::remove_all_files_in_dir (path);
 
-	ASSERT_TRUE (boost::filesystem::exists (dummy_directory));
-	ASSERT_FALSE (boost::filesystem::exists (dummy_file1));
-	ASSERT_FALSE (boost::filesystem::exists (dummy_file2));
+	ASSERT_TRUE (std::filesystem::exists (dummy_directory));
+	ASSERT_FALSE (std::filesystem::exists (dummy_file1));
+	ASSERT_FALSE (std::filesystem::exists (dummy_file2));
 }
 
 TEST (filesystem, move_all_files)
 {
 	auto path = nano::unique_path ();
 	auto dummy_directory = path / "tmp";
-	boost::filesystem::create_directories (dummy_directory);
+	std::filesystem::create_directories (dummy_directory);
 
 	auto dummy_file1 = dummy_directory / "my_file1.txt";
 	auto dummy_file2 = dummy_directory / "my_file2.txt";
 	std::ofstream (dummy_file1.string ());
 	std::ofstream (dummy_file2.string ());
 
 	// Check all exist
-	ASSERT_TRUE (boost::filesystem::exists (dummy_directory));
-	ASSERT_TRUE (boost::filesystem::exists (dummy_file1));
-	ASSERT_TRUE (boost::filesystem::exists (dummy_file2));
+	ASSERT_TRUE (std::filesystem::exists (dummy_directory));
+	ASSERT_TRUE (std::filesystem::exists (dummy_file1));
+	ASSERT_TRUE (std::filesystem::exists (dummy_file2));
 
 	// Should move only the files
 	nano::move_all_files_to_dir (dummy_directory, path);
 
-	ASSERT_TRUE (boost::filesystem::exists (dummy_directory));
-	ASSERT_TRUE (boost::filesystem::exists (path / "my_file1.txt"));
-	ASSERT_TRUE (boost::filesystem::exists (path / "my_file2.txt"));
-	ASSERT_FALSE (boost::filesystem::exists (dummy_file1));
-	ASSERT_FALSE (boost::filesystem::exists (dummy_file2));
+	ASSERT_TRUE (std::filesystem::exists (dummy_directory));
+	ASSERT_TRUE (std::filesystem::exists (path / "my_file1.txt"));
+	ASSERT_TRUE (std::filesystem::exists (path / "my_file2.txt"));
+	ASSERT_FALSE (std::filesystem::exists (dummy_file1));
+	ASSERT_FALSE (std::filesystem::exists (dummy_file2));
 }
 
 TEST (relaxed_atomic_integral, basic)

nano/lib/config.cpp

@@ -1,7 +1,6 @@
 #include <nano/lib/blocks.hpp>
 #include <nano/lib/config.hpp>
 
-#include <boost/filesystem/path.hpp>
 #include <boost/format.hpp>
 #include <boost/lexical_cast.hpp>
 
@@ -290,27 +289,27 @@ bool is_sanitizer_build ()
 	return is_asan_build () || is_tsan_build ();
 }
 
-std::string get_node_toml_config_path (boost::filesystem::path const & data_path)
+std::string get_node_toml_config_path (std::filesystem::path const & data_path)
 {
 	return (data_path / "config-node.toml").string ();
 }
 
-std::string get_rpc_toml_config_path (boost::filesystem::path const & data_path)
+std::string get_rpc_toml_config_path (std::filesystem::path const & data_path)
 {
 	return (data_path / "config-rpc.toml").string ();
 }
 
-std::string get_qtwallet_toml_config_path (boost::filesystem::path const & data_path)
+std::string get_qtwallet_toml_config_path (std::filesystem::path const & data_path)
 {
 	return (data_path / "config-qtwallet.toml").string ();
 }
 
-std::string get_access_toml_config_path (boost::filesystem::path const & data_path)
+std::string get_access_toml_config_path (std::filesystem::path const & data_path)
 {
 	return (data_path / "config-access.toml").string ();
 }
 
-std::string get_tls_toml_config_path (boost::filesystem::path const & data_path)
+std::string get_tls_toml_config_path (std::filesystem::path const & data_path)
 {
 	return (data_path / "config-tls.toml").string ();
 }

nano/lib/config.hpp

@@ -6,19 +6,12 @@
 #include <algorithm>
 #include <array>
 #include <chrono>
+#include <filesystem>
 #include <optional>
 #include <string>
 
 using namespace std::chrono_literals;
 
-namespace boost
-{
-namespace filesystem
-{
-	class path;
-}
-}
-
 #define xstr(a) ver_str (a)
 #define ver_str(a) #a
 
@@ -387,11 +380,11 @@ class network_constants
 	uint8_t const bootstrap_protocol_version_min = 0x13;
 };
 
-std::string get_node_toml_config_path (boost::filesystem::path const & data_path);
-std::string get_rpc_toml_config_path (boost::filesystem::path const & data_path);
-std::string get_access_toml_config_path (boost::filesystem::path const & data_path);
-std::string get_qtwallet_toml_config_path (boost::filesystem::path const & data_path);
-std::string get_tls_toml_config_path (boost::filesystem::path const & data_path);
+std::string get_node_toml_config_path (std::filesystem::path const & data_path);
+std::string get_rpc_toml_config_path (std::filesystem::path const & data_path);
+std::string get_access_toml_config_path (std::filesystem::path const & data_path);
+std::string get_qtwallet_toml_config_path (std::filesystem::path const & data_path);
+std::string get_tls_toml_config_path (std::filesystem::path const & data_path);
 
 /** Checks if we are running inside a valgrind instance */
 bool running_within_valgrind ();

nano/lib/jsonconfig.cpp

@@ -1,7 +1,6 @@
 #include <nano/boost/asio/ip/address_v6.hpp>
 #include <nano/lib/jsonconfig.hpp>
 
-#include <boost/filesystem/convenience.hpp>
 #include <boost/property_tree/json_parser.hpp>
 
 #include <cstddef>
@@ -25,7 +24,7 @@ nano::jsonconfig::jsonconfig (boost::property_tree::ptree & tree_a, std::shared_
  * Reads a json object from the stream 
  * @return nano::error&, including a descriptive error message if the config file is malformed.
  */
-nano::error & nano::jsonconfig::read (boost::filesystem::path const & path_a)
+nano::error & nano::jsonconfig::read (std::filesystem::path const & path_a)
 {
 	std::fstream stream;
 	open_or_create (stream, path_a.string ());
@@ -48,7 +47,7 @@ nano::error & nano::jsonconfig::read (boost::filesystem::path const & path_a)
 	return *error;
 }
 
-void nano::jsonconfig::write (boost::filesystem::path const & path_a)
+void nano::jsonconfig::write (std::filesystem::path const & path_a)
 {
 	std::fstream stream;
 	open_or_create (stream, path_a.string ());
@@ -68,7 +67,7 @@ void nano::jsonconfig::read (std::istream & stream_a)
 /** Open configuration file, create if necessary */
 void nano::jsonconfig::open_or_create (std::fstream & stream_a, std::string const & path_a)
 {
-	if (!boost::filesystem::exists (path_a))
+	if (!std::filesystem::exists (path_a))
 	{
 		// Create temp stream to first create the file
 		std::ofstream stream (path_a);
@@ -81,7 +80,7 @@ void nano::jsonconfig::open_or_create (std::fstream & stream_a, std::string cons
 }
 
 /** Takes a filepath, appends '_backup_<timestamp>' to the end (but before any extension) and saves that file in the same directory */
-void nano::jsonconfig::create_backup_file (boost::filesystem::path const & filepath_a)
+void nano::jsonconfig::create_backup_file (std::filesystem::path const & filepath_a)
 {
 	auto extension = filepath_a.extension ();
 	auto filename_without_extension = filepath_a.filename ().replace_extension ("");
@@ -93,7 +92,7 @@ void nano::jsonconfig::create_backup_file (boost::filesystem::path const & filep
 	backup_filename += extension;
 	auto backup_filepath = backup_path / backup_filename;
 
-	boost::filesystem::copy_file (filepath_a, backup_filepath);
+	std::filesystem::copy_file (filepath_a, backup_filepath);
 }
 
 /** Returns the boost property node managed by this instance */

nano/lib/jsonconfig.hpp

@@ -4,7 +4,6 @@
 #include <nano/lib/errors.hpp>
 #include <nano/lib/utility.hpp>
 
-#include <boost/filesystem/path.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/property_tree/ptree.hpp>
 
@@ -29,12 +28,12 @@ class jsonconfig : public nano::configbase
 public:
 	jsonconfig ();
 	jsonconfig (boost::property_tree::ptree & tree_a, std::shared_ptr<nano::error> const & error_a = nullptr);
-	nano::error & read (boost::filesystem::path const & path_a);
-	void write (boost::filesystem::path const & path_a);
+	nano::error & read (std::filesystem::path const & path_a);
+	void write (std::filesystem::path const & path_a);
 	void write (std::ostream & stream_a) const;
 	void read (std::istream & stream_a);
 	void open_or_create (std::fstream & stream_a, std::string const & path_a);
-	void create_backup_file (boost::filesystem::path const & filepath_a);
+	void create_backup_file (std::filesystem::path const & filepath_a);
 	boost::property_tree::ptree const & get_tree ();
 	bool empty () const;
 	boost::optional<jsonconfig> get_optional_child (std::string const & key_a);

nano/lib/plat/posix/perms.cpp

@@ -1,7 +1,5 @@
 #include <nano/lib/utility.hpp>
 
-#include <boost/filesystem.hpp>
-
 #include <sys/stat.h>
 #include <sys/types.h>
 
@@ -10,22 +8,22 @@ void nano::set_umask ()
 	umask (077);
 }
 
-void nano::set_secure_perm_directory (boost::filesystem::path const & path)
+void nano::set_secure_perm_directory (std::filesystem::path const & path)
 {
-	boost::filesystem::permissions (path, boost::filesystem::owner_all);
+	std::filesystem::permissions (path, std::filesystem::perms::owner_all);
 }
 
-void nano::set_secure_perm_directory (boost::filesystem::path const & path, boost::system::error_code & ec)
+void nano::set_secure_perm_directory (std::filesystem::path const & path, std::error_code & ec)
 {
-	boost::filesystem::permissions (path, boost::filesystem::owner_all, ec);
+	std::filesystem::permissions (path, std::filesystem::perms::owner_all, ec);
 }
 
-void nano::set_secure_perm_file (boost::filesystem::path const & path)
+void nano::set_secure_perm_file (std::filesystem::path const & path)
 {
-	boost::filesystem::permissions (path, boost::filesystem::perms::owner_read | boost::filesystem::perms::owner_write);
+	std::filesystem::permissions (path, std::filesystem::perms::owner_read | std::filesystem::perms::owner_write);
 }
 
-void nano::set_secure_perm_file (boost::filesystem::path const & path, boost::system::error_code & ec)
+void nano::set_secure_perm_file (std::filesystem::path const & path, std::error_code & ec)
 {
-	boost::filesystem::permissions (path, boost::filesystem::perms::owner_read | boost::filesystem::perms::owner_write, ec);
+	std::filesystem::permissions (path, std::filesystem::perms::owner_read | std::filesystem::perms::owner_write, ec);
 }