use crate::packet::v5::mqtt_packet::Packet;
use crate::utils::buffer_reader::BuffReader;
use crate::utils::buffer_writer::BuffWriter;
use crate::utils::types::BufferError;
use super::packet_type::PacketType;
use super::property::Property;
pub struct PingrespPacket {
pub fixed_header: u8,
pub remain_len: u32,
}
impl PingrespPacket {}
impl<'a> Packet<'a> for PingrespPacket {
fn new() -> Self {
Self {
fixed_header: PacketType::Pingresp.into(),
remain_len: 0,
}
}
fn encode(&mut self, buffer: &mut [u8], buffer_len: usize) -> Result<usize, BufferError> {
let mut buff_writer = BuffWriter::new(buffer, buffer_len);
buff_writer.write_u8(self.fixed_header)?;
buff_writer.write_variable_byte_int(self.remain_len)?;
Ok(buff_writer.position)
}
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
let x = self.decode_fixed_header(buff_reader)?;
if x != PacketType::Pingresp {
error!("Packet you are trying to decode is not PINGRESP packet!");
return Err(BufferError::PacketTypeMismatch);
}
if self.remain_len != 0 {
error!("PINGRESP packet does not have 0 lenght!");
return Err(BufferError::PacketTypeMismatch);
}
Ok(())
}
fn set_property_len(&mut self, _value: u32) {
error!("PINGRESP packet does not contain any properties!");
}
fn get_property_len(&mut self) -> u32 {
error!("PINGRESP packet does not contain any properties!");
0
}
fn push_to_properties(&mut self, _property: Property<'a>) {
error!("PINGRESP packet does not contain any properties!");
}
fn property_allowed(&mut self, property: &Property<'a>) -> bool {
property.pingresp_property()
}
fn set_fixed_header(&mut self, header: u8) {
self.fixed_header = header;
}
fn set_remaining_len(&mut self, remaining_len: u32) {
self.remain_len = remaining_len;
}
}