Added an easy feature for writing and reading files

1 files changed, 78 insertions, 0 deletions

diff --git a/modules/remote-filesystem/c++/easy.hpp b/modules/remote-filesystem/c++/easy.hpp
new file mode 100644
index 0000000..9fc8af7
--- /dev/null
+++ b/modules/remote-filesystem/c++/easy.hpp
@@ -0,0 +1,78 @@
+#pragma once
+
+#include "remote.hpp"
+
+#include <forstio/error.hpp>
+
+namespace saw {
+namespace easy {
+template<typename Sch, typename FileEnc, typename Enc = FORSTIO_DEFAULT_DATA_ENCODING>
+error_or<void> encode_and_write_file(const std::filesystem::path& p_, const data<Sch,Enc>& data_){
+	data<Sch, FileEnc> dat;
+	{
+		codec<Sch, FileEnc> cdc;
+		auto eov = cdc.encode(data_,dat);
+		if(eov.is_error()){
+			return eov;
+		}
+	}
+
+	remote<rmt::File> file_remote;
+	auto eo_addr = file_remote.parse_address(p_);
+	if(eo_addr.is_error()){
+		return std::move(eo_addr.get_error());
+	}
+	auto& addr = eo_addr.get_value();
+
+	auto eo_srv = file_remote.template data_listen<Sch,FileEnc>({*addr});
+	if(eo_srv.is_error()){
+		return std::move(eo_srv.get_error());
+	}
+	auto& srv = eo_srv.get_value();
+	id<Sch> fid{0u};
+
+	auto eo_write = srv->send({fid}, dat);
+	if(eo_write.is_error()){
+		return eo_write;
+	}
+
+	return make_void();
+}
+
+template<typename Sch, typename FileEnc, typename Enc = FORSTIO_DEFAULT_DATA_ENCODING>
+error_or<data<Sch,Enc>> read_and_decode_file(const std::filesystem::path& p_){
+	data<Sch, Enc> dat;
+
+	remote<rmt::File> file_remote;
+	auto eo_addr = file_remote.parse_address(p_);
+	if(eo_addr.is_error()){
+		return std::move(eo_addr.get_error());
+	}
+	auto& addr = eo_addr.get_value();
+
+	auto eo_srv = file_remote.template data_listen<Sch,FileEnc>({*addr});
+	if(eo_srv.is_error()){
+		return std::move(eo_srv.get_error());
+	}
+	auto& srv = eo_srv.get_value();
+	id<Sch> fid{0u};
+
+	auto eo_read = srv->receive({fid});
+	if(eo_read.is_error()){
+		return eo_read;
+	}
+	auto& read = eo_read.get_value();
+
+	{
+		codec<Sch, FileEnc> cdc;
+		auto eov = cdc.decode(read,dat);
+		if(eov.is_error()){
+			return std::move(eov.get_error());
+		}
+	}
+
+	return dat;
+}
+
+}
+}