File and Stream Utilities

Detailed Description

These utilities are provided to help perform operations on files and I/O streams.

Functions
template<typename Func >
auto	seastar::util::with_file_input_stream (const std::filesystem::path &path, Func func, file_open_options file_opts={}, file_input_stream_options input_stream_opts={})
future< std::vector< temporary_buffer< char > > >	seastar::util::read_entire_file (std::filesystem::path path)
future< sstring >	seastar::util::read_entire_file_contiguous (std::filesystem::path path)

Function Documentation

read_entire_file()

future<std::vector<temporary_buffer<char> > > seastar::util::read_entire_file

(

std::filesystem::path

path

)

Returns all bytes from the file until eof, accessible in chunks.

Note

use only on short files to avoid running out of memory.

Parameters

path	path of the file to be read.

read_entire_file_contiguous()

future<sstring> seastar::util::read_entire_file_contiguous

(

std::filesystem::path

path

)

Returns all bytes from the file until eof as a single buffer.

Note

use only on short files to avoid running out of memory.

Parameters

path	path of the file to be read.