Function snedfile::send_file

pub fn send_file(file: &mut File, stream: &mut TcpStream) -> Result<()>

Sends the entire contents of a file to a TCP stream.

The file must be opened for reading.

Depending on the backend, a more efficient method is used which prevents copying all data to userspace. See the module documentation for more.

This function is optimized in a way that it only needs to be called once on a file and stream. Trivial errors are handled and the native sendfile() is used as much as possible.

If the file has a length of 0, this function returns successfully without doing additional work.

This function does not guarantee respecting the file offset, if it already has been changed by using Seek or Read.

Example

use snedfile::send_file;

// somewhere in a server for static files
fn serve_static(file: &mut File, stream: &mut TcpStream) -> io::Result<()> {
    send_file(file, stream)
}