jau::io Namespace Reference

Namespaces
namespace	uri_tk
	Limited URI toolkit to query handled protocols by the IO implementation.

Classes
class	ByteInStream
	Abstract byte input stream object. More...
class	ByteInStream_Feed
	Ringbuffer-Based byte input stream with an externally provisioned data feed. More...
class	ByteInStream_File
	File based byte input stream, including named file descriptor. More...
class	ByteInStream_Recorder
	Wrapped byte input stream with the capability to record the read byte stream at will. More...
class	ByteInStream_SecMemory
	Secure Memory-Based byte input stream. More...
class	ByteInStream_URL
	Ringbuffer-Based byte input stream with a URL connection provisioned data feed. More...
class	ByteOutStream
	Abstract byte output stream object, to write data to a sink. More...
class	ByteOutStream_File
	File based byte output stream, including named file descriptor. More...
class	iostate_func
	Supporting std::basic_ios's iostate functionality for all ByteInStream implementations. More...
class	url_header_sync
	Synchronization for URL header completion as used by asynchronous read_url_stream(). More...

Typedefs
typedef jau::ringbuffer< uint8_t, size_t >	ByteRingbuffer
typedef jau::ordered_atomic< async_io_result_t, std::memory_order_relaxed >	relaxed_atomic_async_io_result_t
typedef std::basic_string< char, std::char_traits< char >, jau::callocator_sec< char > >	secure_string
template<typename T>
using	secure_vector = std::vector<T, jau::callocator_sec<T>>
typedef jau::function< bool(secure_vector< uint8_t > &, bool)>	StreamConsumerFunc
	Stream consumer function.

Enumerations
enum class	async_io_result_t : int8_t { async_io_result_t::FAILED = -1 , async_io_result_t::NONE = 0 , async_io_result_t::SUCCESS = 1 }
	Asynchronous I/O operation result value. More...
enum class	io_dir_t : int8_t { io_dir_t::READ = 0 , io_dir_t::WRITE = 1 }
	I/O direction, read or write. More...
enum class	iostate : uint32_t {   iostate::none = 0 , iostate::goodbit = 0 , iostate::badbit = 1U << 0 , iostate::eofbit = 1U << 1 ,   iostate::failbit = 1U << 2 , iostate::timeout = 1U << 3 }

Functions
	JAU_MAKE_BITFIELD_ENUM_STRING (iostate, goodbit, badbit, eofbit, failbit, timeout)
void	print_stats (const std::string &prefix, const uint64_t &out_bytes_total, const jau::fraction_i64 &td) noexcept
uint64_t	read_file (const std::string &input_file, secure_vector< uint8_t > &buffer, const StreamConsumerFunc &consumer_fn) noexcept
	Synchronous byte input stream reader from given file path using the given StreamConsumerFunc consumer_fn.
uint64_t	read_stream (ByteInStream &in, secure_vector< uint8_t > &buffer, const StreamConsumerFunc &consumer_fn) noexcept
	Synchronous byte input stream reader using the given StreamConsumerFunc consumer_fn.
uint64_t	read_stream (ByteInStream &in, secure_vector< uint8_t > &buffer1, secure_vector< uint8_t > &buffer2, const StreamConsumerFunc &consumer_fn) noexcept
	Synchronous double-buffered byte input stream reader using the given StreamConsumerFunc consumer_fn.
std::unique_ptr< std::thread >	read_url_stream (const std::string &url, ByteRingbuffer &buffer, jau::io::url_header_sync &header_sync, jau::relaxed_atomic_bool &has_content_length, jau::relaxed_atomic_uint64 &content_length, jau::relaxed_atomic_uint64 &total_read, relaxed_atomic_async_io_result_t &result) noexcept
	Asynchronous URL read content using the given byte jau::ringbuffer, allowing parallel reading.
uint64_t	read_url_stream (const std::string &url, secure_vector< uint8_t > &buffer, const StreamConsumerFunc &consumer_fn) noexcept
	Synchronous URL stream reader using the given StreamConsumerFunc consumer_fn.
std::unique_ptr< ByteInStream >	to_ByteInStream (const std::string &path_or_uri, jau::fraction_i64 timeout=20_s) noexcept
	Parses the given path_or_uri, if it matches a supported protocol, see jau::io::uri::protocol_supported(), but is not a local file, see jau::io::uri::is_local_file_protocol(), ByteInStream_URL is being attempted.

Variables
const size_t	BEST_URLSTREAM_RINGBUFFER_SIZE = 2_uz * 16384_uz