asio C++ library

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basic_stream_file

Provides stream-oriented file functionality.

template<
    typename Executor>
class basic_stream_file :
  public basic_file< Executor >
Types

Name

Description

rebind_executor

Rebinds the file type to another executor.

executor_type

The type of the executor associated with the object.

flags

A bitmask type (C++ Std [lib.bitmask.types]).

native_handle_type

The native representation of a file.

seek_basis

Basis for seeking in a file.

Member Functions

Name

Description

assign

Assign an existing native file to the file.

async_read_some

Start an asynchronous read.

async_write_some

Start an asynchronous write.

basic_stream_file [constructor]

Construct a basic_stream_file without opening it.

Construct and open a basic_stream_file.

Construct a basic_stream_file on an existing native file.

Move-construct a basic_stream_file from another.

Move-construct a basic_stream_file from a file of another executor type.

cancel

Cancel all asynchronous operations associated with the file.

close

Close the file.

get_executor

Get the executor associated with the object.

is_open

Determine whether the file is open.

native_handle

Get the native file representation.

open

Open the file using the specified path.

operator=

Move-assign a basic_stream_file from another.

Move-assign a basic_stream_file from a file of another executor type.

read_some

Read some data from the file.

release

Release ownership of the underlying native file.

resize

Alter the size of the file.

seek

Seek to a position in the file.

size

Get the size of the file.

sync_all

Synchronise the file to disk.

sync_data

Synchronise the file data to disk.

write_some

Write some data to the file.

~basic_stream_file [destructor]

Destroys the file.

Data Members

Name

Description

append [static]

Open the file in append mode.

create [static]

Create the file if it does not exist.

exclusive [static]

Ensure a new file is created. Must be combined with create.

read_only [static]

Open the file for reading.

read_write [static]

Open the file for reading and writing.

truncate [static]

Open the file with any existing contents truncated.

write_only [static]

Open the file for writing.

The basic_stream_file class template provides asynchronous and blocking stream-oriented file functionality.

Thread Safety

Distinct objects: Safe.

Shared objects: Unsafe.

Requirements

Header: asio/basic_stream_file.hpp

Convenience header: asio.hpp


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