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Make QOS and retain part of the publish API, add raw client, fix clippy warnings, update e-io version (#25)

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Matous Hybl 2022-12-24 12:18:52 +01:00 committed by GitHub
parent d224254d51
commit 482b7895e1
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34 changed files with 982 additions and 723 deletions
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4
Cargo.toml
View File

@ -15,11 +15,11 @@ heapless = "0.7.10"
rand_core = "0.6.0" rand_core = "0.6.0"
defmt = { version = "0.3", optional = true } defmt = { version = "0.3", optional = true }
log = { version = "0.4.14", optional = true } log = { version = "0.4.14", optional = true }
embedded-io = { version = "0.3.0", features = ["async"]} embedded-io = { version = "0.4.0", features = ["async"]}
[dev-dependencies] [dev-dependencies]
tokio = { version = "1", features = ["full"] } tokio = { version = "1", features = ["full"] }
embedded-io = { version = "0.3.0", features = ["tokio"]} embedded-io = { version = "0.4.0", features = ["tokio"]}
tokio-test = { version = "0.4.2"} tokio-test = { version = "0.4.2"}
env_logger = "0.9.0" env_logger = "0.9.0"
futures = { version = "0.3.21" } futures = { version = "0.3.21" }

60
examples/pubsub.rs Normal file
View File

@ -0,0 +1,60 @@
use std::{
net::{Ipv4Addr, SocketAddr},
time::Duration,
};
use embedded_io::adapters::FromTokio;
use rust_mqtt::{
client::{client::MqttClient, client_config::ClientConfig},
packet::v5::reason_codes::ReasonCode,
utils::rng_generator::CountingRng,
};
use tokio::net::TcpStream;
#[tokio::main]
async fn main() {
env_logger::init();
let addr = SocketAddr::new(Ipv4Addr::new(127, 0, 0, 1).into(), 1883);
let connection = TcpStream::connect(addr)
.await
.map_err(|_| ReasonCode::NetworkError)
.unwrap();
let connection = FromTokio::<TcpStream>::new(connection);
let mut config = ClientConfig::new(
rust_mqtt::client::client_config::MqttVersion::MQTTv5,
CountingRng(20000),
);
config.add_max_subscribe_qos(rust_mqtt::packet::v5::publish_packet::QualityOfService::QoS1);
config.add_client_id("client");
// config.add_username(USERNAME);
// config.add_password(PASSWORD);
config.max_packet_size = 100;
let mut recv_buffer = [0; 80];
let mut write_buffer = [0; 80];
let mut client = MqttClient::<_, 5, _>::new(
connection,
&mut write_buffer,
80,
&mut recv_buffer,
80,
config,
);
client.connect_to_broker().await.unwrap();
loop {
client
.send_message(
"hello",
b"hello2",
rust_mqtt::packet::v5::publish_packet::QualityOfService::QoS0,
true,
)
.await
.unwrap();
tokio::time::sleep(Duration::from_millis(500)).await;
}
}

2
rust-toolchain.toml
View File

@ -1,4 +1,4 @@
[toolchain] [toolchain]
channel = "nightly-2022-03-10" channel = "nightly-2022-11-22"
components = [ "rust-src", "rustfmt" ] components = [ "rust-src", "rustfmt" ]
targets = [ "thumbv7em-none-eabi", "thumbv7m-none-eabi", "thumbv6m-none-eabi", "thumbv7em-none-eabihf", "thumbv8m.main-none-eabihf", "wasm32-unknown-unknown" ] targets = [ "thumbv7em-none-eabi", "thumbv7m-none-eabi", "thumbv6m-none-eabi", "thumbv7em-none-eabihf", "thumbv8m.main-none-eabihf", "wasm32-unknown-unknown" ]

574
src/client/client.rs
View File

@ -26,38 +26,17 @@ use embedded_io::asynch::{Read, Write};
use heapless::Vec; use heapless::Vec;
use rand_core::RngCore; use rand_core::RngCore;
use crate::client::client_config::{ClientConfig, MqttVersion}; use crate::client::client_config::ClientConfig;
use crate::encoding::variable_byte_integer::{VariableByteInteger, VariableByteIntegerDecoder}; use crate::packet::v5::publish_packet::QualityOfService::{self, QoS1};
use crate::network::NetworkConnection;
use crate::packet::v5::connack_packet::ConnackPacket;
use crate::packet::v5::connect_packet::ConnectPacket;
use crate::packet::v5::disconnect_packet::DisconnectPacket;
use crate::packet::v5::mqtt_packet::Packet;
use crate::packet::v5::pingreq_packet::PingreqPacket;
use crate::packet::v5::pingresp_packet::PingrespPacket;
use crate::packet::v5::puback_packet::PubackPacket;
use crate::packet::v5::publish_packet::QualityOfService::QoS1;
use crate::packet::v5::publish_packet::{PublishPacket, QualityOfService};
use crate::packet::v5::reason_codes::ReasonCode; use crate::packet::v5::reason_codes::ReasonCode;
use crate::packet::v5::reason_codes::ReasonCode::{BuffError, NetworkError};
use crate::packet::v5::suback_packet::SubackPacket; use super::raw_client::{Event, RawMqttClient};
use crate::packet::v5::subscription_packet::SubscriptionPacket;
use crate::packet::v5::unsuback_packet::UnsubackPacket;
use crate::packet::v5::unsubscription_packet::UnsubscriptionPacket;
use crate::utils::buffer_reader::BuffReader;
use crate::utils::buffer_writer::BuffWriter;
use crate::utils::types::BufferError;
pub struct MqttClient<'a, T, const MAX_PROPERTIES: usize, R: RngCore> pub struct MqttClient<'a, T, const MAX_PROPERTIES: usize, R: RngCore>
where where
T: Read + Write, T: Read + Write,
{ {
connection: Option<NetworkConnection<T>>, raw: RawMqttClient<'a, T, MAX_PROPERTIES, R>,
buffer: &'a mut [u8],
buffer_len: usize,
recv_buffer: &'a mut [u8],
recv_buffer_len: usize,
config: ClientConfig<'a, MAX_PROPERTIES, R>,
} }
impl<'a, T, const MAX_PROPERTIES: usize, R> MqttClient<'a, T, MAX_PROPERTIES, R> impl<'a, T, const MAX_PROPERTIES: usize, R> MqttClient<'a, T, MAX_PROPERTIES, R>
@ -74,80 +53,14 @@ where
config: ClientConfig<'a, MAX_PROPERTIES, R>, config: ClientConfig<'a, MAX_PROPERTIES, R>,
) -> Self { ) -> Self {
Self { Self {
connection: Some(NetworkConnection::new(network_driver)), raw: RawMqttClient::new(
network_driver,
buffer, buffer,
buffer_len, buffer_len,
recv_buffer, recv_buffer,
recv_buffer_len, recv_buffer_len,
config, config,
} ),
}
async fn connect_to_broker_v5<'b>(&'b mut self) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let len = {
let mut connect = ConnectPacket::<'b, MAX_PROPERTIES, 0>::new();
connect.keep_alive = self.config.keep_alive;
self.config.add_max_packet_size_as_prop();
connect.property_len = connect.add_properties(&self.config.properties);
if self.config.username_flag {
connect.add_username(&self.config.username);
}
if self.config.password_flag {
connect.add_password(&self.config.password)
}
if self.config.will_flag {
connect.add_will(
&self.config.will_topic,
&self.config.will_payload,
self.config.will_retain,
)
}
connect.add_client_id(&self.config.client_id);
connect.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let conn = self.connection.as_mut().unwrap();
trace!("Sending connect");
conn.send(&self.buffer[0..len.unwrap()]).await?;
//connack
let reason: Result<u8, BufferError> = {
trace!("Waiting for connack");
let read =
{ receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = ConnackPacket::<'b, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
if err == BufferError::PacketTypeMismatch {
let mut disc = DisconnectPacket::<'b, MAX_PROPERTIES>::new();
if disc.decode(&mut BuffReader::new(self.buffer, read)).is_ok() {
error!("Client was disconnected with reason: ");
return Err(ReasonCode::from(disc.disconnect_reason));
}
}
Err(err)
} else {
Ok(packet.connect_reason_code)
}
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let res = reason.unwrap();
if res != 0x00 {
return Err(ReasonCode::from(res));
} else {
Ok(())
} }
} }
@ -156,33 +69,14 @@ where
/// If the connection to the broker fails, method returns Err variable that contains /// If the connection to the broker fails, method returns Err variable that contains
/// Reason codes returned from the broker. /// Reason codes returned from the broker.
pub async fn connect_to_broker<'b>(&'b mut self) -> Result<(), ReasonCode> { pub async fn connect_to_broker<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version { self.raw.connect_to_broker().await?;
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.connect_to_broker_v5().await,
}
}
async fn disconnect_v5<'b>(&'b mut self) -> Result<(), ReasonCode> { match self.raw.poll::<0>().await? {
if self.connection.is_none() { Event::Connack => Ok(()),
return Err(ReasonCode::NetworkError); Event::Disconnect(reason) => Err(reason),
// If an application message comes at this moment, it is lost.
_ => Err(ReasonCode::ImplementationSpecificError),
} }
let conn = self.connection.as_mut().unwrap();
trace!("Creating disconnect packet!");
let mut disconnect = DisconnectPacket::<'b, MAX_PROPERTIES>::new();
let len = disconnect.encode(self.buffer, self.buffer_len);
if let Err(err) = len {
warn!("[DECODE ERR]: {}", err);
let _ = self.connection.take();
return Err(ReasonCode::BuffError);
}
if let Err(_e) = conn.send(&self.buffer[0..len.unwrap()]).await {
warn!("Could not send DISCONNECT packet");
}
// Drop connection
let _ = self.connection.take();
Ok(())
} }
/// Method allows client disconnect from the server. Client disconnects from the specified broker /// Method allows client disconnect from the server. Client disconnects from the specified broker
@ -190,72 +84,10 @@ where
/// If the disconnect from the broker fails, method returns Err variable that contains /// If the disconnect from the broker fails, method returns Err variable that contains
/// Reason codes returned from the broker. /// Reason codes returned from the broker.
pub async fn disconnect<'b>(&'b mut self) -> Result<(), ReasonCode> { pub async fn disconnect<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version { self.raw.disconnect().await?;
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.disconnect_v5().await,
}
}
async fn send_message_v5<'b>(
&'b mut self,
topic_name: &'b str,
message: &'b [u8],
) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let identifier: u16 = self.config.rng.next_u32() as u16;
//self.rng.next_u32() as u16;
let len = {
let mut packet = PublishPacket::<'b, MAX_PROPERTIES>::new();
packet.add_topic_name(topic_name);
packet.add_qos(self.config.qos);
packet.add_identifier(identifier);
packet.add_message(message);
packet.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
trace!("Sending message");
conn.send(&self.buffer[0..len.unwrap()]).await?;
// QoS1
if <QualityOfService as Into<u8>>::into(self.config.qos)
== <QualityOfService as Into<u8>>::into(QoS1)
{
let reason: Result<[u16; 2], BufferError> = {
trace!("Waiting for ack");
let read =
receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await?;
trace!("[PUBACK] Received packet with len");
let mut packet = PubackPacket::<'b, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
Err(err)
} else {
Ok([packet.packet_identifier, packet.reason_code as u16])
}
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let res = reason.unwrap();
if identifier != res[0] {
return Err(ReasonCode::PacketIdentifierNotFound);
}
if res[1] != 0 {
return Err(ReasonCode::from(res[1] as u8));
}
}
Ok(()) Ok(())
} }
/// Method allows sending message to broker specified from the ClientConfig. Client sends the /// Method allows sending message to broker specified from the ClientConfig. Client sends the
/// message from the parameter `message` to the topic `topic_name` on the broker /// message from the parameter `message` to the topic `topic_name` on the broker
/// specified in the ClientConfig. If the send fails method returns Err with reason code /// specified in the ClientConfig. If the send fails method returns Err with reason code
@ -264,71 +96,31 @@ where
&'b mut self, &'b mut self,
topic_name: &'b str, topic_name: &'b str,
message: &'b [u8], message: &'b [u8],
qos: QualityOfService,
retain: bool,
) -> Result<(), ReasonCode> { ) -> Result<(), ReasonCode> {
match self.config.mqtt_version { let identifier = self
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion), .raw
MqttVersion::MQTTv5 => self.send_message_v5(topic_name, message).await, .send_message(topic_name, message, qos, retain)
} .await?;
}
async fn subscribe_to_topics_v5<'b, const TOPICS: usize>( // QoS1
&'b mut self, if qos == QoS1 {
topic_names: &'b Vec<&'b str, TOPICS>, match self.raw.poll::<0>().await? {
) -> Result<(), ReasonCode> { Event::Puback(ack_identifier) => {
if self.connection.is_none() { if identifier == ack_identifier {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let len = {
let mut subs = SubscriptionPacket::<'b, TOPICS, MAX_PROPERTIES>::new();
let mut i = 0;
loop {
if i == TOPICS {
break;
}
subs.add_new_filter(topic_names.get(i).unwrap(), self.config.qos);
i = i + 1;
}
subs.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
let reason: Result<Vec<u8, TOPICS>, BufferError> = {
let read =
{ receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = SubackPacket::<'b, TOPICS, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
Err(err)
} else {
Ok(packet.reason_codes)
}
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let reasons = reason.unwrap();
let mut i = 0;
loop {
if i == TOPICS {
break;
}
if *reasons.get(i).unwrap()
!= (<QualityOfService as Into<u8>>::into(self.config.qos) >> 1)
{
return Err(ReasonCode::from(*reasons.get(i).unwrap()));
}
i = i + 1;
}
Ok(()) Ok(())
} else {
Err(ReasonCode::PacketIdentifierNotFound)
}
}
Event::Disconnect(reason) => Err(reason),
// If an application message comes at this moment, it is lost.
_ => Err(ReasonCode::ImplementationSpecificError),
}
} else {
Ok(())
}
} }
/// Method allows client subscribe to multiple topics specified in the parameter /// Method allows client subscribe to multiple topics specified in the parameter
@ -339,9 +131,19 @@ where
&'b mut self, &'b mut self,
topic_names: &'b Vec<&'b str, TOPICS>, topic_names: &'b Vec<&'b str, TOPICS>,
) -> Result<(), ReasonCode> { ) -> Result<(), ReasonCode> {
match self.config.mqtt_version { let identifier = self.raw.subscribe_to_topics(topic_names).await?;
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.subscribe_to_topics_v5(topic_names).await, match self.raw.poll::<TOPICS>().await? {
Event::Suback(ack_identifier) => {
if identifier == ack_identifier {
Ok(())
} else {
Err(ReasonCode::PacketIdentifierNotFound)
}
}
Event::Disconnect(reason) => Err(reason),
// If an application message comes at this moment, it is lost.
_ => Err(ReasonCode::ImplementationSpecificError),
} }
} }
@ -352,97 +154,19 @@ where
&'b mut self, &'b mut self,
topic_name: &'b str, topic_name: &'b str,
) -> Result<(), ReasonCode> { ) -> Result<(), ReasonCode> {
match self.config.mqtt_version { let identifier = self.raw.unsubscribe_from_topic(topic_name).await?;
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.unsubscribe_from_topic_v5(topic_name).await,
}
}
async fn unsubscribe_from_topic_v5<'b>(
&'b mut self,
topic_name: &'b str,
) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let len = {
let mut unsub = UnsubscriptionPacket::<'b, 1, MAX_PROPERTIES>::new();
unsub.packet_identifier = self.config.rng.next_u32() as u16;
unsub.add_new_filter(topic_name);
unsub.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
let reason: Result<u8, BufferError> = {
let read =
{ receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = UnsubackPacket::<'b, 1, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
Err(err)
} else {
Ok(*packet.reason_codes.get(0).unwrap())
}
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
match self.raw.poll::<0>().await? {
Event::Unsuback(ack_identifier) => {
if identifier == ack_identifier {
Ok(()) Ok(())
}
async fn subscribe_to_topic_v5<'b>(
&'b mut self,
topic_name: &'b str,
) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let len = {
let mut subs = SubscriptionPacket::<'b, 1, MAX_PROPERTIES>::new();
subs.add_new_filter(topic_name, self.config.qos);
subs.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
let reason: Result<u8, BufferError> = {
let read =
{ receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = SubackPacket::<'b, 1, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
Err(err)
} else { } else {
Ok(*packet.reason_codes.get(0).unwrap()) Err(ReasonCode::PacketIdentifierNotFound)
} }
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
} }
Event::Disconnect(reason) => Err(reason),
let res = reason.unwrap(); // If an application message comes at this moment, it is lost.
if res != (<QualityOfService as Into<u8>>::into(self.config.qos) >> 1) { _ => Err(ReasonCode::ImplementationSpecificError),
Err(ReasonCode::from(res))
} else {
Ok(())
} }
} }
@ -453,85 +177,34 @@ where
&'b mut self, &'b mut self,
topic_name: &'b str, topic_name: &'b str,
) -> Result<(), ReasonCode> { ) -> Result<(), ReasonCode> {
match self.config.mqtt_version { let mut topic_names = Vec::<&'b str, 1>::new();
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion), topic_names.push(topic_name).unwrap();
MqttVersion::MQTTv5 => self.subscribe_to_topic_v5(topic_name).await,
}
}
async fn receive_message_v5<'b>(&'b mut self) -> Result<(&'b str, &'b [u8]), ReasonCode> { let identifier = self.raw.subscribe_to_topics(&topic_names).await?;
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let read = { receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = PublishPacket::<'b, 5>::new(); match self.raw.poll::<1>().await? {
if let Err(err) = { packet.decode(&mut BuffReader::new(self.buffer, read)) } { Event::Suback(ack_identifier) => {
if err == BufferError::PacketTypeMismatch { if identifier == ack_identifier {
let mut disc = DisconnectPacket::<'b, 5>::new(); Ok(())
if disc.decode(&mut BuffReader::new(self.buffer, read)).is_ok() { } else {
error!("Client was disconnected with reason: "); Err(ReasonCode::PacketIdentifierNotFound)
return Err(ReasonCode::from(disc.disconnect_reason));
} }
} }
error!("[DECODE ERR]: {}", err); Event::Disconnect(reason) => Err(reason),
return Err(ReasonCode::BuffError); // If an application message comes at this moment, it is lost.
_ => Err(ReasonCode::ImplementationSpecificError),
} }
if (packet.fixed_header & 0x06)
== <QualityOfService as Into<u8>>::into(QualityOfService::QoS1)
{
let mut puback = PubackPacket::<'b, MAX_PROPERTIES>::new();
puback.packet_identifier = packet.packet_identifier;
puback.reason_code = 0x00;
{
let len = { puback.encode(self.recv_buffer, self.recv_buffer_len) };
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.recv_buffer[0..len.unwrap()]).await?;
}
}
return Ok((packet.topic_name.string, packet.message.unwrap()));
} }
/// Method allows client receive a message. The work of this method strictly depends on the /// Method allows client receive a message. The work of this method strictly depends on the
/// network implementation passed in the `ClientConfig`. It expects the PUBLISH packet /// network implementation passed in the `ClientConfig`. It expects the PUBLISH packet
/// from the broker. /// from the broker.
pub async fn receive_message<'b>(&'b mut self) -> Result<(&'b str, &'b [u8]), ReasonCode> { pub async fn receive_message<'b>(&'b mut self) -> Result<(&'b str, &'b [u8]), ReasonCode> {
match self.config.mqtt_version { match self.raw.poll::<0>().await? {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion), Event::Message(topic, payload) => Ok((topic, payload)),
MqttVersion::MQTTv5 => self.receive_message_v5().await, Event::Disconnect(reason) => Err(reason),
} // If an application message comes at this moment, it is lost.
} _ => Err(ReasonCode::ImplementationSpecificError),
async fn send_ping_v5<'b>(&'b mut self) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let len = {
let mut packet = PingreqPacket::new();
packet.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
let read = { receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let mut packet = PingrespPacket::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
} else {
Ok(())
} }
} }
@ -539,96 +212,13 @@ where
/// If there is expectation for long running connection. Method should be executed /// If there is expectation for long running connection. Method should be executed
/// regularly by the timer that counts down the session expiry interval. /// regularly by the timer that counts down the session expiry interval.
pub async fn send_ping<'b>(&'b mut self) -> Result<(), ReasonCode> { pub async fn send_ping<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version { self.raw.send_ping().await?;
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.send_ping_v5().await,
}
}
}
#[cfg(not(feature = "tls"))] match self.raw.poll::<0>().await? {
async fn receive_packet<'c, T: Read + Write>( Event::Pingresp => Ok(()),
buffer: &mut [u8], Event::Disconnect(reason) => Err(reason),
buffer_len: usize, // If an application message comes at this moment, it is lost.
recv_buffer: &mut [u8], _ => Err(ReasonCode::ImplementationSpecificError),
conn: &'c mut NetworkConnection<T>,
) -> Result<usize, ReasonCode> {
let target_len: usize;
let mut rem_len: Result<VariableByteInteger, ()>;
let mut writer = BuffWriter::new(buffer, buffer_len);
let mut i = 0;
// Get len of packet
trace!("Reading lenght of packet");
loop {
trace!(" Reading in loop!");
let len: usize = conn
.receive(&mut recv_buffer[writer.position..(writer.position + 1)])
.await?;
trace!(" Received data!");
if len == 0 {
trace!("Zero byte len packet received, dropping connection.");
return Err(NetworkError);
}
i = i + len;
if let Err(_e) = writer.insert_ref(len, &recv_buffer[writer.position..i]) {
error!("Error occurred during write to buffer!");
return Err(ReasonCode::BuffError);
}
if i > 1 {
rem_len = writer.get_rem_len();
if rem_len.is_ok() {
break;
}
if i >= 5 {
error!("Could not read len of packet!");
return Err(NetworkError);
} }
} }
} }
trace!("Lenght done!");
let rem_len_len = i;
i = 0;
if let Ok(l) = VariableByteIntegerDecoder::decode(rem_len.unwrap()) {
trace!("Reading packet with target len {}", l);
target_len = l as usize;
} else {
error!("Could not decode len of packet!");
return Err(BuffError);
}
loop {
if writer.position == target_len + rem_len_len {
trace!("Received packet with len: {}", (target_len + rem_len_len));
return Ok(target_len + rem_len_len);
}
let len: usize = conn
.receive(&mut recv_buffer[writer.position..writer.position + (target_len - i)])
.await?;
i = i + len;
if let Err(_e) =
writer.insert_ref(len, &recv_buffer[writer.position..(writer.position + i)])
{
error!("Error occurred during write to buffer!");
return Err(BuffError);
}
}
}
#[cfg(feature = "tls")]
async fn receive_packet<'c, T: Read + Write>(
buffer: &mut [u8],
buffer_len: usize,
recv_buffer: &mut [u8],
conn: &'c mut NetworkConnection<T>,
) -> Result<usize, ReasonCode> {
trace!("Reading packet");
let mut writer = BuffWriter::new(buffer, buffer_len);
let len = conn.receive(recv_buffer).await?;
if let Err(_e) = writer.insert_ref(len, &recv_buffer[writer.position..(writer.position + len)])
{
error!("Error occurred during write to buffer!");
return Err(BuffError);
}
Ok(len)
}

10
src/client/client_config.rs
View File

@ -46,7 +46,7 @@ pub enum MqttVersion {
/// Examples of the configurations can be found in the integration tests. /// Examples of the configurations can be found in the integration tests.
#[derive(Clone)] #[derive(Clone)]
pub struct ClientConfig<'a, const MAX_PROPERTIES: usize, T: RngCore> { pub struct ClientConfig<'a, const MAX_PROPERTIES: usize, T: RngCore> {
pub qos: QualityOfService, pub max_subscribe_qos: QualityOfService,
pub keep_alive: u16, pub keep_alive: u16,
pub username_flag: bool, pub username_flag: bool,
pub username: EncodedString<'a>, pub username: EncodedString<'a>,
@ -66,7 +66,7 @@ pub struct ClientConfig<'a, const MAX_PROPERTIES: usize, T: RngCore> {
impl<'a, const MAX_PROPERTIES: usize, T: RngCore> ClientConfig<'a, MAX_PROPERTIES, T> { impl<'a, const MAX_PROPERTIES: usize, T: RngCore> ClientConfig<'a, MAX_PROPERTIES, T> {
pub fn new(version: MqttVersion, rng: T) -> Self { pub fn new(version: MqttVersion, rng: T) -> Self {
Self { Self {
qos: QualityOfService::QoS0, max_subscribe_qos: QualityOfService::QoS0,
keep_alive: 60, keep_alive: 60,
username_flag: false, username_flag: false,
username: EncodedString::new(), username: EncodedString::new(),
@ -84,8 +84,8 @@ impl<'a, const MAX_PROPERTIES: usize, T: RngCore> ClientConfig<'a, MAX_PROPERTIE
} }
} }
pub fn add_qos(&mut self, qos: QualityOfService) { pub fn add_max_subscribe_qos(&mut self, qos: QualityOfService) {
self.qos = qos; self.max_subscribe_qos = qos;
} }
pub fn add_will(&mut self, topic: &'a str, payload: &'a [u8], retain: bool) { pub fn add_will(&mut self, topic: &'a str, payload: &'a [u8], retain: bool) {
@ -136,7 +136,7 @@ impl<'a, const MAX_PROPERTIES: usize, T: RngCore> ClientConfig<'a, MAX_PROPERTIE
self.properties.push(prop); self.properties.push(prop);
return 5; return 5;
} }
return 0; 0
} }
pub fn add_client_id(&mut self, client_id: &'a str) { pub fn add_client_id(&mut self, client_id: &'a str) {

2
src/client/mod.rs
View File

@ -22,6 +22,8 @@
* SOFTWARE. * SOFTWARE.
*/ */
#[allow(clippy::module_inception)]
pub mod client; pub mod client;
#[allow(unused_must_use)] #[allow(unused_must_use)]
pub mod client_config; pub mod client_config;
pub mod raw_client;

572
src/client/raw_client.rs Normal file
View File

@ -0,0 +1,572 @@
use embedded_io::asynch::{Read, Write};
use heapless::Vec;
use rand_core::RngCore;
use crate::{
encoding::variable_byte_integer::{VariableByteInteger, VariableByteIntegerDecoder},
network::NetworkConnection,
packet::v5::{
connack_packet::ConnackPacket,
connect_packet::ConnectPacket,
disconnect_packet::DisconnectPacket,
mqtt_packet::Packet,
packet_type::PacketType,
pingreq_packet::PingreqPacket,
pingresp_packet::PingrespPacket,
puback_packet::PubackPacket,
publish_packet::{PublishPacket, QualityOfService},
reason_codes::ReasonCode,
suback_packet::SubackPacket,
subscription_packet::SubscriptionPacket,
unsuback_packet::UnsubackPacket,
unsubscription_packet::UnsubscriptionPacket,
},
utils::{buffer_reader::BuffReader, buffer_writer::BuffWriter, types::BufferError},
};
use super::client_config::{ClientConfig, MqttVersion};
pub enum Event<'a> {
Connack,
Puback(u16),
Suback(u16),
Unsuback(u16),
Pingresp,
Message(&'a str, &'a [u8]),
Disconnect(ReasonCode),
}
pub struct RawMqttClient<'a, T, const MAX_PROPERTIES: usize, R: RngCore>
where
T: Read + Write,
{
connection: Option<NetworkConnection<T>>,
buffer: &'a mut [u8],
buffer_len: usize,
recv_buffer: &'a mut [u8],
recv_buffer_len: usize,
config: ClientConfig<'a, MAX_PROPERTIES, R>,
}
impl<'a, T, const MAX_PROPERTIES: usize, R> RawMqttClient<'a, T, MAX_PROPERTIES, R>
where
T: Read + Write,
R: RngCore,
{
pub fn new(
network_driver: T,
buffer: &'a mut [u8],
buffer_len: usize,
recv_buffer: &'a mut [u8],
recv_buffer_len: usize,
config: ClientConfig<'a, MAX_PROPERTIES, R>,
) -> Self {
Self {
connection: Some(NetworkConnection::new(network_driver)),
buffer,
buffer_len,
recv_buffer,
recv_buffer_len,
config,
}
}
async fn connect_to_broker_v5<'b>(&'b mut self) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let len = {
let mut connect = ConnectPacket::<'b, MAX_PROPERTIES, 0>::new();
connect.keep_alive = self.config.keep_alive;
self.config.add_max_packet_size_as_prop();
connect.property_len = connect.add_properties(&self.config.properties);
if self.config.username_flag {
connect.add_username(&self.config.username);
}
if self.config.password_flag {
connect.add_password(&self.config.password)
}
if self.config.will_flag {
connect.add_will(
&self.config.will_topic,
&self.config.will_payload,
self.config.will_retain,
)
}
connect.add_client_id(&self.config.client_id);
connect.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let conn = self.connection.as_mut().unwrap();
trace!("Sending connect");
conn.send(&self.buffer[0..len.unwrap()]).await?;
Ok(())
}
/// Method allows client connect to server. Client is connecting to the specified broker
/// in the `ClientConfig`. Method selects proper implementation of the MQTT version based on the config.
/// If the connection to the broker fails, method returns Err variable that contains
/// Reason codes returned from the broker.
pub async fn connect_to_broker<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.connect_to_broker_v5().await,
}
}
async fn disconnect_v5<'b>(&'b mut self) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
trace!("Creating disconnect packet!");
let mut disconnect = DisconnectPacket::<'b, MAX_PROPERTIES>::new();
let len = disconnect.encode(self.buffer, self.buffer_len);
if let Err(err) = len {
warn!("[DECODE ERR]: {}", err);
let _ = self.connection.take();
return Err(ReasonCode::BuffError);
}
if let Err(_e) = conn.send(&self.buffer[0..len.unwrap()]).await {
warn!("Could not send DISCONNECT packet");
}
// Drop connection
let _ = self.connection.take();
Ok(())
}
/// Method allows client disconnect from the server. Client disconnects from the specified broker
/// in the `ClientConfig`. Method selects proper implementation of the MQTT version based on the config.
/// If the disconnect from the broker fails, method returns Err variable that contains
/// Reason codes returned from the broker.
pub async fn disconnect<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.disconnect_v5().await,
}
}
async fn send_message_v5<'b>(
&'b mut self,
topic_name: &'b str,
message: &'b [u8],
qos: QualityOfService,
retain: bool,
) -> Result<u16, ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let identifier: u16 = self.config.rng.next_u32() as u16;
//self.rng.next_u32() as u16;
let len = {
let mut packet = PublishPacket::<'b, MAX_PROPERTIES>::new();
packet.add_topic_name(topic_name);
packet.add_qos(qos);
packet.add_identifier(identifier);
packet.add_message(message);
packet.add_retain(retain);
packet.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
trace!("Sending message");
conn.send(&self.buffer[0..len.unwrap()]).await?;
Ok(identifier)
}
/// Method allows sending message to broker specified from the ClientConfig. Client sends the
/// message from the parameter `message` to the topic `topic_name` on the broker
/// specified in the ClientConfig. If the send fails method returns Err with reason code
/// received by broker.
pub async fn send_message<'b>(
&'b mut self,
topic_name: &'b str,
message: &'b [u8],
qos: QualityOfService,
retain: bool,
) -> Result<u16, ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.send_message_v5(topic_name, message, qos, retain).await,
}
}
async fn subscribe_to_topics_v5<'b, const TOPICS: usize>(
&'b mut self,
topic_names: &'b Vec<&'b str, TOPICS>,
) -> Result<u16, ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let identifier: u16 = self.config.rng.next_u32() as u16;
let len = {
let mut subs = SubscriptionPacket::<'b, TOPICS, MAX_PROPERTIES>::new();
subs.packet_identifier = identifier;
let mut i = 0;
loop {
if i == TOPICS {
break;
}
subs.add_new_filter(topic_names.get(i).unwrap(), self.config.max_subscribe_qos);
i += 1;
}
subs.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
Ok(identifier)
}
/// Method allows client subscribe to multiple topics specified in the parameter
/// `topic_names` on the broker specified in the `ClientConfig`. Generics `TOPICS`
/// sets the value of the `topics_names` vector. MQTT protocol implementation
/// is selected automatically.
pub async fn subscribe_to_topics<'b, const TOPICS: usize>(
&'b mut self,
topic_names: &'b Vec<&'b str, TOPICS>,
) -> Result<u16, ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.subscribe_to_topics_v5(topic_names).await,
}
}
/// Method allows client unsubscribe from the topic specified in the parameter
/// `topic_name` on the broker from the `ClientConfig`. MQTT protocol implementation
/// is selected automatically.
pub async fn unsubscribe_from_topic<'b>(
&'b mut self,
topic_name: &'b str,
) -> Result<u16, ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.unsubscribe_from_topic_v5(topic_name).await,
}
}
async fn unsubscribe_from_topic_v5<'b>(
&'b mut self,
topic_name: &'b str,
) -> Result<u16, ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let identifier = self.config.rng.next_u32() as u16;
let len = {
let mut unsub = UnsubscriptionPacket::<'b, 1, MAX_PROPERTIES>::new();
unsub.packet_identifier = identifier;
unsub.add_new_filter(topic_name);
unsub.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
Ok(identifier)
}
async fn send_ping_v5<'b>(&'b mut self) -> Result<(), ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
let len = {
let mut packet = PingreqPacket::new();
packet.encode(self.buffer, self.buffer_len)
};
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.buffer[0..len.unwrap()]).await?;
Ok(())
}
/// Method allows client send PING message to the broker specified in the `ClientConfig`.
/// If there is expectation for long running connection. Method should be executed
/// regularly by the timer that counts down the session expiry interval.
pub async fn send_ping<'b>(&'b mut self) -> Result<(), ReasonCode> {
match self.config.mqtt_version {
MqttVersion::MQTTv3 => Err(ReasonCode::UnsupportedProtocolVersion),
MqttVersion::MQTTv5 => self.send_ping_v5().await,
}
}
pub async fn poll<'b, const MAX_TOPICS: usize>(&'b mut self) -> Result<Event<'b>, ReasonCode> {
if self.connection.is_none() {
return Err(ReasonCode::NetworkError);
}
let conn = self.connection.as_mut().unwrap();
trace!("Waiting for a packet");
let read = { receive_packet(self.buffer, self.buffer_len, self.recv_buffer, conn).await? };
let buf_reader = BuffReader::new(self.buffer, read);
match PacketType::from(buf_reader.peek_u8().map_err(|_| ReasonCode::BuffError)?) {
PacketType::Reserved
| PacketType::Connect
| PacketType::Subscribe
| PacketType::Unsubscribe
| PacketType::Pingreq => Err(ReasonCode::ProtocolError),
PacketType::Pubrec | PacketType::Pubrel | PacketType::Pubcomp | PacketType::Auth => {
Err(ReasonCode::ImplementationSpecificError)
}
PacketType::Connack => {
let mut packet = ConnackPacket::<'b, MAX_PROPERTIES>::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
// if err == BufferError::PacketTypeMismatch {
// let mut disc = DisconnectPacket::<'b, MAX_PROPERTIES>::new();
// if disc.decode(&mut BuffReader::new(self.buffer, read)).is_ok() {
// error!("Client was disconnected with reason: ");
// return Err(ReasonCode::from(disc.disconnect_reason));
// }
// }
error!("[DECODE ERR]: {}", err);
Err(ReasonCode::BuffError)
} else if packet.connect_reason_code != 0x00 {
Err(ReasonCode::from(packet.connect_reason_code))
} else {
Ok(Event::Connack)
}
}
PacketType::Puback => {
let reason: Result<[u16; 2], BufferError> = {
let mut packet = PubackPacket::<'b, MAX_PROPERTIES>::new();
packet
.decode(&mut BuffReader::new(self.buffer, read))
.map(|_| [packet.packet_identifier, packet.reason_code as u16])
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let res = reason.unwrap();
if res[1] != 0 {
return Err(ReasonCode::from(res[1] as u8));
}
Ok(Event::Puback(res[0]))
}
PacketType::Suback => {
let reason: Result<(u16, Vec<u8, MAX_TOPICS>), BufferError> = {
let mut packet = SubackPacket::<'b, MAX_TOPICS, MAX_PROPERTIES>::new();
packet
.decode(&mut BuffReader::new(self.buffer, read))
.map(|_| (packet.packet_identifier, packet.reason_codes))
};
if let Err(err) = reason {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
let (packet_identifier, reasons) = reason.unwrap();
let mut i = 0;
loop {
if i == reasons.len() {
break;
}
if *reasons.get(i).unwrap()
!= (<QualityOfService as Into<u8>>::into(self.config.max_subscribe_qos)
>> 1)
{
return Err(ReasonCode::from(*reasons.get(i).unwrap()));
}
i += 1;
}
Ok(Event::Suback(packet_identifier))
}
PacketType::Unsuback => {
let res: Result<u16, BufferError> = {
let mut packet = UnsubackPacket::<'b, 1, MAX_PROPERTIES>::new();
packet
.decode(&mut BuffReader::new(self.buffer, read))
.map(|_| packet.packet_identifier)
};
if let Err(err) = res {
error!("[DECODE ERR]: {}", err);
Err(ReasonCode::BuffError)
} else {
Ok(Event::Unsuback(res.unwrap()))
}
}
PacketType::Pingresp => {
let mut packet = PingrespPacket::new();
if let Err(err) = packet.decode(&mut BuffReader::new(self.buffer, read)) {
error!("[DECODE ERR]: {}", err);
Err(ReasonCode::BuffError)
} else {
Ok(Event::Pingresp)
}
}
PacketType::Publish => {
let mut packet = PublishPacket::<'b, 5>::new();
if let Err(err) = { packet.decode(&mut BuffReader::new(self.buffer, read)) } {
// if err == BufferError::PacketTypeMismatch {
// let mut disc = DisconnectPacket::<'b, 5>::new();
// if disc.decode(&mut BuffReader::new(self.buffer, read)).is_ok() {
// error!("Client was disconnected with reason: ");
// return Err(ReasonCode::from(disc.disconnect_reason));
// }
// }
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
if (packet.fixed_header & 0x06)
== <QualityOfService as Into<u8>>::into(QualityOfService::QoS1)
{
let mut puback = PubackPacket::<'b, MAX_PROPERTIES>::new();
puback.packet_identifier = packet.packet_identifier;
puback.reason_code = 0x00;
{
let len = { puback.encode(self.recv_buffer, self.recv_buffer_len) };
if let Err(err) = len {
error!("[DECODE ERR]: {}", err);
return Err(ReasonCode::BuffError);
}
conn.send(&self.recv_buffer[0..len.unwrap()]).await?;
}
}
Ok(Event::Message(
packet.topic_name.string,
packet.message.unwrap(),
))
}
PacketType::Disconnect => {
let mut disc = DisconnectPacket::<'b, 5>::new();
let res = disc.decode(&mut BuffReader::new(self.buffer, read));
match res {
Ok(_) => Ok(Event::Disconnect(ReasonCode::from(disc.disconnect_reason))),
Err(err) => {
error!("[DECODE ERR]: {}", err);
Err(ReasonCode::BuffError)
}
}
}
}
}
}
#[cfg(not(feature = "tls"))]
async fn receive_packet<'c, T: Read + Write>(
buffer: &mut [u8],
buffer_len: usize,
recv_buffer: &mut [u8],
conn: &'c mut NetworkConnection<T>,
) -> Result<usize, ReasonCode> {
use crate::utils::buffer_writer::RemLenError;
let target_len: usize;
let mut rem_len: Result<VariableByteInteger, RemLenError>;
let mut writer = BuffWriter::new(buffer, buffer_len);
let mut i = 0;
// Get len of packet
trace!("Reading lenght of packet");
loop {
trace!(" Reading in loop!");
let len: usize = conn
.receive(&mut recv_buffer[writer.position..(writer.position + 1)])
.await?;
trace!(" Received data!");
if len == 0 {
trace!("Zero byte len packet received, dropping connection.");
return Err(ReasonCode::NetworkError);
}
i += len;
if let Err(_e) = writer.insert_ref(len, &recv_buffer[writer.position..i]) {
error!("Error occurred during write to buffer!");
return Err(ReasonCode::BuffError);
}
if i > 1 {
rem_len = writer.get_rem_len();
if rem_len.is_ok() {
break;
}
if i >= 5 {
error!("Could not read len of packet!");
return Err(ReasonCode::NetworkError);
}
}
}
trace!("Lenght done!");
let rem_len_len = i;
i = 0;
if let Ok(l) = VariableByteIntegerDecoder::decode(rem_len.unwrap()) {
trace!("Reading packet with target len {}", l);
target_len = l as usize;
} else {
error!("Could not decode len of packet!");
return Err(ReasonCode::BuffError);
}
loop {
if writer.position == target_len + rem_len_len {
trace!("Received packet with len: {}", (target_len + rem_len_len));
return Ok(target_len + rem_len_len);
}
let len: usize = conn
.receive(&mut recv_buffer[writer.position..writer.position + (target_len - i)])
.await?;
i += len;
if let Err(_e) =
writer.insert_ref(len, &recv_buffer[writer.position..(writer.position + i)])
{
error!("Error occurred during write to buffer!");
return Err(ReasonCode::BuffError);
}
}
}
#[cfg(feature = "tls")]
async fn receive_packet<'c, T: Read + Write>(
buffer: &mut [u8],
buffer_len: usize,
recv_buffer: &mut [u8],
conn: &'c mut NetworkConnection<T>,
) -> Result<usize, ReasonCode> {
trace!("Reading packet");
let mut writer = BuffWriter::new(buffer, buffer_len);
let len = conn.receive(recv_buffer).await?;
if let Err(_e) = writer.insert_ref(len, &recv_buffer[writer.position..(writer.position + len)])
{
error!("Error occurred during write to buffer!");
return Err(ReasonCode::BuffError);
}
Ok(len)
}

25
src/encoding/variable_byte_integer.rs
View File

@ -58,30 +58,29 @@ impl VariableByteIntegerEncoder {
loop { loop {
encoded_byte = (target % MOD) as u8; encoded_byte = (target % MOD) as u8;
target = target / 128; target /= 128;
if target > 0 { if target > 0 {
encoded_byte = encoded_byte | 128; encoded_byte |= 128;
} }
res[i] = encoded_byte; res[i] = encoded_byte;
i = i + 1; i += 1;
if target <= 0 { if target == 0 {
break; break;
} }
} }
return Ok(res); Ok(res)
} }
pub fn len(var_int: VariableByteInteger) -> usize { pub fn len(var_int: VariableByteInteger) -> usize {
let mut i: usize = 0; let mut i: usize = 0;
loop { loop {
let encoded_byte: u8; let encoded_byte = var_int[i];
encoded_byte = var_int[i]; i += 1;
i = i + 1;
if (encoded_byte & 128) == 0 { if (encoded_byte & 128) == 0 {
break; break;
} }
} }
return i; i
} }
} }
@ -102,17 +101,17 @@ impl VariableByteIntegerDecoder {
loop { loop {
encoded_byte = encoded[i]; encoded_byte = encoded[i];
i = i + 1; i += 1;
ret = ret + ((encoded_byte & 127) as u32 * multiplier) as u32; ret += (encoded_byte & 127) as u32 * multiplier;
if multiplier > 128 * 128 * 128 { if multiplier > 128 * 128 * 128 {
return Err(BufferError::DecodingError); return Err(BufferError::DecodingError);
} }
multiplier = multiplier * 128; multiplier *= 128;
if (encoded_byte & 128) == 0 { if (encoded_byte & 128) == 0 {
break; break;
} }
} }
return Ok(ret); Ok(ret)
} }
} }

1
src/lib.rs
View File

@ -26,7 +26,6 @@
#![cfg_attr(not(feature = "std"), no_std)] #![cfg_attr(not(feature = "std"), no_std)]
#![allow(dead_code)] #![allow(dead_code)]
#![feature(type_alias_impl_trait)] #![feature(type_alias_impl_trait)]
#![feature(generic_associated_types)]
pub(crate) mod fmt; pub(crate) mod fmt;
pub mod client; pub mod client;

8
src/packet/v5/auth_packet.rs
View File

@ -78,8 +78,8 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for AuthPacket<'a, MAX_PROPERTI
let mut rm_ln = self.property_len; let mut rm_ln = self.property_len;
let property_len_enc: [u8; 4] = VariableByteIntegerEncoder::encode(self.property_len)?; let property_len_enc: [u8; 4] = VariableByteIntegerEncoder::encode(self.property_len)?;
let property_len_len = VariableByteIntegerEncoder::len(property_len_enc); let property_len_len = VariableByteIntegerEncoder::len(property_len_enc);
rm_ln = rm_ln + property_len_len as u32; rm_ln += property_len_len as u32;
rm_ln = rm_ln + 1; rm_ln += 1;
buff_writer.write_u8(self.fixed_header)?; buff_writer.write_u8(self.fixed_header)?;
buff_writer.write_variable_byte_int(rm_ln)?; buff_writer.write_variable_byte_int(rm_ln)?;
@ -92,7 +92,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for AuthPacket<'a, MAX_PROPERTI
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
self.decode_fixed_header(buff_reader)?; self.decode_fixed_header(buff_reader)?;
self.auth_reason = buff_reader.read_u8()?; self.auth_reason = buff_reader.read_u8()?;
return self.decode_properties(buff_reader); self.decode_properties(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -100,7 +100,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for AuthPacket<'a, MAX_PROPERTI
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

4
src/packet/v5/connack_packet.rs
View File

@ -72,7 +72,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for ConnackPacket<'a, MAX_PROPE
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Connack).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Connack {
error!("Packet you are trying to decode is not CONNACK packet!"); error!("Packet you are trying to decode is not CONNACK packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
@ -86,7 +86,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for ConnackPacket<'a, MAX_PROPE
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

14
src/packet/v5/connect_packet.rs
View File

@ -80,22 +80,22 @@ impl<'a, const MAX_PROPERTIES: usize, const MAX_WILL_PROPERTIES: usize>
let y = Property::ReceiveMaximum(20); let y = Property::ReceiveMaximum(20);
x.properties.push(y); x.properties.push(y);
x.client_id.len = 0; x.client_id.len = 0;
return x; x
} }
pub fn add_packet_type(&mut self, new_packet_type: PacketType) { pub fn add_packet_type(&mut self, new_packet_type: PacketType) {
self.fixed_header = self.fixed_header & 0x0F; self.fixed_header &= 0x0F;
self.fixed_header = self.fixed_header | <PacketType as Into<u8>>::into(new_packet_type); self.fixed_header |= u8::from(new_packet_type);
} }
pub fn add_username(&mut self, username: &EncodedString<'a>) { pub fn add_username(&mut self, username: &EncodedString<'a>) {
self.username = (*username).clone(); self.username = (*username).clone();
self.connect_flags = self.connect_flags | 0x80; self.connect_flags |= 0x80;
} }
pub fn add_password(&mut self, password: &BinaryData<'a>) { pub fn add_password(&mut self, password: &BinaryData<'a>) {
self.password = (*password).clone(); self.password = (*password).clone();
self.connect_flags = self.connect_flags | 0x40; self.connect_flags |= 0x40;
} }
pub fn add_will(&mut self, topic: &EncodedString<'a>, payload: &BinaryData<'a>, retain: bool) { pub fn add_will(&mut self, topic: &EncodedString<'a>, payload: &BinaryData<'a>, retain: bool) {
@ -152,7 +152,7 @@ impl<'a, const MAX_PROPERTIES: usize, const MAX_WILL_PROPERTIES: usize> Packet<'
let wil_prop_len_len = VariableByteIntegerEncoder::len(wil_prop_len_enc); let wil_prop_len_len = VariableByteIntegerEncoder::len(wil_prop_len_enc);
rm_ln = rm_ln rm_ln = rm_ln
+ wil_prop_len_len as u32 + wil_prop_len_len as u32
+ self.will_property_len as u32 + self.will_property_len
+ self.will_topic.len as u32 + self.will_topic.len as u32
+ 2 + 2
+ self.will_payload.len as u32 + self.will_payload.len as u32
@ -206,7 +206,7 @@ impl<'a, const MAX_PROPERTIES: usize, const MAX_WILL_PROPERTIES: usize> Packet<'
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

6
src/packet/v5/disconnect_packet.rs
View File

@ -78,7 +78,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for DisconnectPacket<'a, MAX_PR
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Disconnect).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Disconnect {
error!("Packet you are trying to decode is not DISCONNECT packet!"); error!("Packet you are trying to decode is not DISCONNECT packet!");
return Err(BufferError::WrongPacketToDecode); return Err(BufferError::WrongPacketToDecode);
} }
@ -87,7 +87,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for DisconnectPacket<'a, MAX_PR
return Ok(()); return Ok(());
} }
self.disconnect_reason = buff_reader.read_u8()?; self.disconnect_reason = buff_reader.read_u8()?;
return self.decode_properties(buff_reader); self.decode_properties(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -95,7 +95,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for DisconnectPacket<'a, MAX_PR
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

10
src/packet/v5/mqtt_packet.rs
View File

@ -59,14 +59,14 @@ pub trait Packet<'a> {
let prop = properties.get(i).unwrap(); let prop = properties.get(i).unwrap();
if self.property_allowed(prop) { if self.property_allowed(prop) {
self.push_to_properties((*prop).clone()); self.push_to_properties((*prop).clone());
res = res + prop.len() as u32 + 1; res = res + prop.encoded_len() as u32 + 1;
} }
i = i + 1; i += 1;
if i == max { if i == max {
break; break;
} }
} }
return res; res
} }
/// Setter for packet fixed header /// Setter for packet fixed header
@ -84,7 +84,7 @@ pub trait Packet<'a> {
loop { loop {
prop = Property::decode(buff_reader)?; prop = Property::decode(buff_reader)?;
//debug!("Parsed property {:?}", prop); //debug!("Parsed property {:?}", prop);
x = x + prop.len() as u32 + 1; x = x + prop.encoded_len() as u32 + 1;
self.push_to_properties(prop); self.push_to_properties(prop);
if x == self.get_property_len() { if x == self.get_property_len() {
@ -104,6 +104,6 @@ pub trait Packet<'a> {
trace!("First byte of accepted packet: {:02X}", first_byte); trace!("First byte of accepted packet: {:02X}", first_byte);
self.set_fixed_header(first_byte); self.set_fixed_header(first_byte);
self.set_remaining_len(buff_reader.read_variable_byte_int()?); self.set_remaining_len(buff_reader.read_variable_byte_int()?);
return Ok(PacketType::from(first_byte)); Ok(PacketType::from(first_byte))
} }
} }

12
src/packet/v5/packet_type.rs
View File

@ -47,7 +47,7 @@ pub enum PacketType {
impl From<u8> for PacketType { impl From<u8> for PacketType {
fn from(orig: u8) -> Self { fn from(orig: u8) -> Self {
let packet_type: u8 = orig & 0xF0; let packet_type: u8 = orig & 0xF0;
return match packet_type { match packet_type {
0x10 => PacketType::Connect, 0x10 => PacketType::Connect,
0x20 => PacketType::Connack, 0x20 => PacketType::Connack,
0x00 => PacketType::Reserved, 0x00 => PacketType::Reserved,
@ -65,13 +65,13 @@ impl From<u8> for PacketType {
0xE0 => PacketType::Disconnect, 0xE0 => PacketType::Disconnect,
0xF0 => PacketType::Auth, 0xF0 => PacketType::Auth,
_ => PacketType::Reserved, _ => PacketType::Reserved,
}; }
} }
} }
impl Into<u8> for PacketType { impl From<PacketType> for u8 {
fn into(self) -> u8 { fn from(value: PacketType) -> Self {
return match self { match value {
PacketType::Connect => 0x10, PacketType::Connect => 0x10,
PacketType::Connack => 0x20, PacketType::Connack => 0x20,
PacketType::Publish => 0x30, PacketType::Publish => 0x30,
@ -88,6 +88,6 @@ impl Into<u8> for PacketType {
PacketType::Disconnect => 0xE0, PacketType::Disconnect => 0xE0,
PacketType::Auth => 0xF0, PacketType::Auth => 0xF0,
PacketType::Reserved => 0x00, PacketType::Reserved => 0x00,
}; }
} }
} }

4
src/packet/v5/pingreq_packet.rs
View File

@ -48,7 +48,7 @@ impl<'a> Packet<'a> for PingreqPacket {
fn encode(&mut self, buffer: &mut [u8], buffer_len: usize) -> Result<usize, BufferError> { fn encode(&mut self, buffer: &mut [u8], buffer_len: usize) -> Result<usize, BufferError> {
let mut buff_writer = BuffWriter::new(buffer, buffer_len); let mut buff_writer = BuffWriter::new(buffer, buffer_len);
buff_writer.write_u8(self.fixed_header)?; buff_writer.write_u8(self.fixed_header)?;
buff_writer.write_variable_byte_int(0 as u32)?; buff_writer.write_variable_byte_int(0)?;
Ok(buff_writer.position) Ok(buff_writer.position)
} }
@ -63,7 +63,7 @@ impl<'a> Packet<'a> for PingreqPacket {
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
error!("PINGREQ packet does not contain any properties!"); error!("PINGREQ packet does not contain any properties!");
return 0; 0
} }
fn push_to_properties(&mut self, _property: Property<'a>) { fn push_to_properties(&mut self, _property: Property<'a>) {

6
src/packet/v5/pingresp_packet.rs
View File

@ -35,7 +35,7 @@ pub struct PingrespPacket {
pub remain_len: u32, pub remain_len: u32,
} }
impl<'a> PingrespPacket {} impl PingrespPacket {}
impl<'a> Packet<'a> for PingrespPacket { impl<'a> Packet<'a> for PingrespPacket {
fn new() -> Self { fn new() -> Self {
@ -54,7 +54,7 @@ impl<'a> Packet<'a> for PingrespPacket {
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
let x = self.decode_fixed_header(buff_reader)?; let x = self.decode_fixed_header(buff_reader)?;
if x != (PacketType::Pingresp).into() { if x != PacketType::Pingresp {
error!("Packet you are trying to decode is not PINGRESP packet!"); error!("Packet you are trying to decode is not PINGRESP packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
@ -71,7 +71,7 @@ impl<'a> Packet<'a> for PingrespPacket {
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
error!("PINGRESP packet does not contain any properties!"); error!("PINGRESP packet does not contain any properties!");
return 0; 0
} }
fn push_to_properties(&mut self, _property: Property<'a>) { fn push_to_properties(&mut self, _property: Property<'a>) {

130
src/packet/v5/property.rs
View File

@ -61,7 +61,9 @@ pub enum Property<'a> {
impl<'a> Property<'a> { impl<'a> Property<'a> {
pub fn connect_property(&self) -> bool { pub fn connect_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::SessionExpiryInterval(_u) => true, Property::SessionExpiryInterval(_u) => true,
Property::ReceiveMaximum(_u) => true, Property::ReceiveMaximum(_u) => true,
Property::MaximumPacketSize(_u) => true, Property::MaximumPacketSize(_u) => true,
@ -72,11 +74,13 @@ impl<'a> Property<'a> {
Property::AuthenticationMethod(_u) => true, Property::AuthenticationMethod(_u) => true,
Property::AuthenticationData(_u) => true, Property::AuthenticationData(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn connack_property(&self) -> bool { pub fn connack_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::SessionExpiryInterval(_u) => true, Property::SessionExpiryInterval(_u) => true,
Property::ReceiveMaximum(_u) => true, Property::ReceiveMaximum(_u) => true,
Property::MaximumQoS(_u) => true, Property::MaximumQoS(_u) => true,
@ -94,11 +98,13 @@ impl<'a> Property<'a> {
Property::AuthenticationMethod(_u) => true, Property::AuthenticationMethod(_u) => true,
Property::AuthenticationData(_u) => true, Property::AuthenticationData(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn publish_property(&self) -> bool { pub fn publish_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::PayloadFormat(_u) => true, Property::PayloadFormat(_u) => true,
Property::MessageExpiryInterval(_u) => true, Property::MessageExpiryInterval(_u) => true,
Property::TopicAlias(_u) => true, Property::TopicAlias(_u) => true,
@ -108,142 +114,155 @@ impl<'a> Property<'a> {
Property::SubscriptionIdentifier(_u) => true, Property::SubscriptionIdentifier(_u) => true,
Property::ContentType(_u) => true, Property::ContentType(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn puback_property(&self) -> bool { pub fn puback_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn pubrec_property(&self) -> bool { pub fn pubrec_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn pubrel_property(&self) -> bool { pub fn pubrel_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn pubcomp_property(&self) -> bool { pub fn pubcomp_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn subscribe_property(&self) -> bool { pub fn subscribe_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::SubscriptionIdentifier(_u) => true, Property::SubscriptionIdentifier(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn suback_property(&self) -> bool { pub fn suback_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn unsubscribe_property(&self) -> bool { pub fn unsubscribe_property(&self) -> bool {
return match self { matches!(self, Property::UserProperty(_u))
Property::UserProperty(_u) => true,
_ => false,
};
} }
pub fn unsuback_property(&self) -> bool { pub fn unsuback_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn pingreq_property(&self) -> bool { pub fn pingreq_property(&self) -> bool {
return match self { warn!("pingreq property list is incomplete");
_ => false, false
};
} }
pub fn pingresp_property(&self) -> bool { pub fn pingresp_property(&self) -> bool {
return match self { warn!("pingresp property list is incomplete");
_ => false, false
};
} }
pub fn disconnect_property(&self) -> bool { pub fn disconnect_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::SessionExpiryInterval(_u) => true, Property::SessionExpiryInterval(_u) => true,
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
Property::ServerReference(_u) => true, Property::ServerReference(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn auth_property(&self) -> bool { pub fn auth_property(&self) -> bool {
return match self { // not possible to use with associated values with different types
#[allow(clippy::match_like_matches_macro)]
match self {
Property::AuthenticationMethod(_u) => true, Property::AuthenticationMethod(_u) => true,
Property::AuthenticationData(_u) => true, Property::AuthenticationData(_u) => true,
Property::ReasonString(_u) => true, Property::ReasonString(_u) => true,
Property::UserProperty(_u) => true, Property::UserProperty(_u) => true,
_ => false, _ => false,
}; }
} }
pub fn len(&self) -> u16 { pub fn encoded_len(&self) -> u16 {
return match self { match self {
Property::PayloadFormat(_u) => 1, Property::PayloadFormat(_u) => 1,
Property::MessageExpiryInterval(_u) => 4, Property::MessageExpiryInterval(_u) => 4,
Property::ContentType(u) => u.len(), Property::ContentType(u) => u.encoded_len(),
Property::ResponseTopic(u) => u.len(), Property::ResponseTopic(u) => u.encoded_len(),
Property::CorrelationData(u) => u.len(), Property::CorrelationData(u) => u.encoded_len(),
Property::SubscriptionIdentifier(u) => { Property::SubscriptionIdentifier(u) => {
VariableByteIntegerEncoder::len(VariableByteIntegerEncoder::encode(*u).unwrap()) VariableByteIntegerEncoder::len(VariableByteIntegerEncoder::encode(*u).unwrap())
as u16 as u16
} }
Property::SessionExpiryInterval(_u) => 4, Property::SessionExpiryInterval(_u) => 4,
Property::AssignedClientIdentifier(u) => u.len(), Property::AssignedClientIdentifier(u) => u.encoded_len(),
Property::ServerKeepAlive(_u) => 2, Property::ServerKeepAlive(_u) => 2,
Property::AuthenticationMethod(u) => u.len(), Property::AuthenticationMethod(u) => u.encoded_len(),
Property::AuthenticationData(u) => u.len(), Property::AuthenticationData(u) => u.encoded_len(),
Property::RequestProblemInformation(_u) => 1, Property::RequestProblemInformation(_u) => 1,
Property::WillDelayInterval(_u) => 4, Property::WillDelayInterval(_u) => 4,
Property::RequestResponseInformation(_u) => 1, Property::RequestResponseInformation(_u) => 1,
Property::ResponseInformation(u) => u.len(), Property::ResponseInformation(u) => u.encoded_len(),
Property::ServerReference(u) => u.len(), Property::ServerReference(u) => u.encoded_len(),
Property::ReasonString(u) => u.len(), Property::ReasonString(u) => u.encoded_len(),
Property::ReceiveMaximum(_u) => 2, Property::ReceiveMaximum(_u) => 2,
Property::TopicAliasMaximum(_u) => 2, Property::TopicAliasMaximum(_u) => 2,
Property::TopicAlias(_u) => 2, Property::TopicAlias(_u) => 2,
Property::MaximumQoS(_u) => 1, Property::MaximumQoS(_u) => 1,
Property::RetainAvailable(_u) => 1, Property::RetainAvailable(_u) => 1,
Property::UserProperty(u) => u.len(), Property::UserProperty(u) => u.encoded_len(),
Property::MaximumPacketSize(_u) => 4, Property::MaximumPacketSize(_u) => 4,
Property::WildcardSubscriptionAvailable(_u) => 1, Property::WildcardSubscriptionAvailable(_u) => 1,
Property::SubscriptionIdentifierAvailable(_u) => 1, Property::SubscriptionIdentifierAvailable(_u) => 1,
Property::SharedSubscriptionAvailable(_u) => 1, Property::SharedSubscriptionAvailable(_u) => 1,
_ => 0, _ => 0,
}; }
} }
pub fn encode(&self, buff_writer: &mut BuffWriter<'a>) -> Result<(), BufferError> { pub fn encode(&self, buff_writer: &mut BuffWriter<'a>) -> Result<(), BufferError> {
return match self { match self {
Property::PayloadFormat(u) => buff_writer.write_u8(*u), Property::PayloadFormat(u) => buff_writer.write_u8(*u),
Property::MessageExpiryInterval(u) => buff_writer.write_u32(*u), Property::MessageExpiryInterval(u) => buff_writer.write_u32(*u),
Property::ContentType(u) => buff_writer.write_string_ref(u), Property::ContentType(u) => buff_writer.write_string_ref(u),
@ -272,7 +291,7 @@ impl<'a> Property<'a> {
Property::SubscriptionIdentifierAvailable(u) => buff_writer.write_u8(*u), Property::SubscriptionIdentifierAvailable(u) => buff_writer.write_u8(*u),
Property::SharedSubscriptionAvailable(u) => buff_writer.write_u8(*u), Property::SharedSubscriptionAvailable(u) => buff_writer.write_u8(*u),
_ => Err(BufferError::PropertyNotFound), _ => Err(BufferError::PropertyNotFound),
}; }
} }
pub fn decode(buff_reader: &mut BuffReader<'a>) -> Result<Property<'a>, BufferError> { pub fn decode(buff_reader: &mut BuffReader<'a>) -> Result<Property<'a>, BufferError> {
@ -321,9 +340,9 @@ impl<'a> Property<'a> {
} }
} }
impl<'a> Into<u8> for &Property<'a> { impl<'a> From<&Property<'a>> for u8 {
fn into(self) -> u8 { fn from(value: &Property<'a>) -> Self {
return match &*self { match value {
Property::PayloadFormat(_u) => 0x01, Property::PayloadFormat(_u) => 0x01,
Property::MessageExpiryInterval(_u) => 0x02, Property::MessageExpiryInterval(_u) => 0x02,
Property::ContentType(_u) => 0x03, Property::ContentType(_u) => 0x03,
@ -352,14 +371,13 @@ impl<'a> Into<u8> for &Property<'a> {
Property::SubscriptionIdentifierAvailable(_u) => 0x29, Property::SubscriptionIdentifierAvailable(_u) => 0x29,
Property::SharedSubscriptionAvailable(_u) => 0x2A, Property::SharedSubscriptionAvailable(_u) => 0x2A,
_ => 0x00, _ => 0x00,
}; }
} }
} }
impl<'a> From<u8> for Property<'a> { impl<'a> From<u8> for Property<'a> {
fn from(_orig: u8) -> Self { fn from(_orig: u8) -> Self {
return match _orig { warn!("Deserialization of Properties from u8 is not implemented");
_ => Property::Reserved(), Property::Reserved()
};
} }
} }

4
src/packet/v5/puback_packet.rs
View File

@ -74,7 +74,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubackPacket<'a, MAX_PROPER
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Puback).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Puback {
error!("Packet you are trying to decode is not PUBACK packet!"); error!("Packet you are trying to decode is not PUBACK packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
@ -95,7 +95,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubackPacket<'a, MAX_PROPER
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

4
src/packet/v5/pubcomp_packet.rs
View File

@ -74,7 +74,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubcompPacket<'a, MAX_PROPE
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Pubcomp).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Pubcomp {
error!("Packet you are trying to decode is not PUBCOMP packet!"); error!("Packet you are trying to decode is not PUBCOMP packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
@ -89,7 +89,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubcompPacket<'a, MAX_PROPE
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

24
src/packet/v5/publish_packet.rs
View File

@ -44,23 +44,23 @@ pub enum QualityOfService {
impl From<u8> for QualityOfService { impl From<u8> for QualityOfService {
fn from(orig: u8) -> Self { fn from(orig: u8) -> Self {
return match orig { match orig {
0 => QoS0, 0 => QoS0,
2 => QoS1, 2 => QoS1,
4 => QoS2, 4 => QoS2,
_ => INVALID, _ => INVALID,
}; }
} }
} }
impl Into<u8> for QualityOfService { impl From<QualityOfService> for u8 {
fn into(self) -> u8 { fn from(value: QualityOfService) -> Self {
return match self { match value {
QoS0 => 0, QoS0 => 0,
QoS1 => 2, QoS1 => 2,
QoS2 => 4, QoS2 => 4,
INVALID => 3, INVALID => 3,
}; }
} }
} }
@ -85,7 +85,11 @@ impl<'a, const MAX_PROPERTIES: usize> PublishPacket<'a, MAX_PROPERTIES> {
} }
pub fn add_qos(&mut self, qos: QualityOfService) { pub fn add_qos(&mut self, qos: QualityOfService) {
self.fixed_header = self.fixed_header | <QualityOfService as Into<u8>>::into(qos); self.fixed_header |= <QualityOfService as Into<u8>>::into(qos);
}
pub fn add_retain(&mut self, retain: bool) {
self.fixed_header |= retain as u8
} }
pub fn add_identifier(&mut self, identifier: u16) { pub fn add_identifier(&mut self, identifier: u16) {
@ -118,7 +122,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PublishPacket<'a, MAX_PROPE
buff_writer.write_u8(self.fixed_header)?; buff_writer.write_u8(self.fixed_header)?;
let qos = self.fixed_header & 0x06; let qos = self.fixed_header & 0x06;
if qos != 0 { if qos != 0 {
rm_ln = rm_ln + 2; rm_ln += 2;
} }
buff_writer.write_variable_byte_int(rm_ln)?; buff_writer.write_variable_byte_int(rm_ln)?;
@ -135,7 +139,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PublishPacket<'a, MAX_PROPE
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Publish).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Publish {
error!("Packet you are trying to decode is not PUBLISH packet!"); error!("Packet you are trying to decode is not PUBLISH packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
@ -158,7 +162,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PublishPacket<'a, MAX_PROPE
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

6
src/packet/v5/pubrec_packet.rs
View File

@ -74,13 +74,13 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubrecPacket<'a, MAX_PROPER
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Pubrec).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Pubrec {
error!("Packet you are trying to decode is not PUBREC packet!"); error!("Packet you are trying to decode is not PUBREC packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
self.packet_identifier = buff_reader.read_u16()?; self.packet_identifier = buff_reader.read_u16()?;
self.reason_code = buff_reader.read_u8()?; self.reason_code = buff_reader.read_u8()?;
return self.decode_properties(buff_reader); self.decode_properties(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -88,7 +88,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubrecPacket<'a, MAX_PROPER
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

6
src/packet/v5/pubrel_packet.rs
View File

@ -74,13 +74,13 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubrelPacket<'a, MAX_PROPER
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Pubrel).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Pubrel {
error!("Packet you are trying to decode is not PUBREL packet!"); error!("Packet you are trying to decode is not PUBREL packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
self.packet_identifier = buff_reader.read_u16()?; self.packet_identifier = buff_reader.read_u16()?;
self.reason_code = buff_reader.read_u8()?; self.reason_code = buff_reader.read_u8()?;
return self.decode_properties(buff_reader); self.decode_properties(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -88,7 +88,7 @@ impl<'a, const MAX_PROPERTIES: usize> Packet<'a> for PubrelPacket<'a, MAX_PROPER
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

12
src/packet/v5/reason_codes.rs
View File

@ -75,9 +75,9 @@ pub enum ReasonCode {
NetworkError, NetworkError,
} }
impl Into<u8> for ReasonCode { impl From<ReasonCode> for u8 {
fn into(self) -> u8 { fn from(value: ReasonCode) -> Self {
return match self { match value {
ReasonCode::Success => 0x00, ReasonCode::Success => 0x00,
ReasonCode::GrantedQoS1 => 0x01, ReasonCode::GrantedQoS1 => 0x01,
ReasonCode::GrantedQoS2 => 0x02, ReasonCode::GrantedQoS2 => 0x02,
@ -124,13 +124,13 @@ impl Into<u8> for ReasonCode {
ReasonCode::TimerNotSupported => 0xFD, ReasonCode::TimerNotSupported => 0xFD,
ReasonCode::BuffError => 0xFE, ReasonCode::BuffError => 0xFE,
ReasonCode::NetworkError => 0xFF, ReasonCode::NetworkError => 0xFF,
}; }
} }
} }
impl From<u8> for ReasonCode { impl From<u8> for ReasonCode {
fn from(orig: u8) -> Self { fn from(orig: u8) -> Self {
return match orig { match orig {
0x00 => ReasonCode::Success, 0x00 => ReasonCode::Success,
0x01 => ReasonCode::GrantedQoS1, 0x01 => ReasonCode::GrantedQoS1,
0x02 => ReasonCode::GrantedQoS2, 0x02 => ReasonCode::GrantedQoS2,
@ -176,7 +176,7 @@ impl From<u8> for ReasonCode {
0xFD => ReasonCode::TimerNotSupported, 0xFD => ReasonCode::TimerNotSupported,
0xFE => ReasonCode::BuffError, 0xFE => ReasonCode::BuffError,
_ => ReasonCode::NetworkError, _ => ReasonCode::NetworkError,
}; }
} }
} }

10
src/packet/v5/suback_packet.rs
View File

@ -61,7 +61,7 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize>
break; break;
} }
} }
return Ok(()); Ok(())
} }
} }
@ -81,17 +81,17 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize> Packet<'a>
fn encode(&mut self, _buffer: &mut [u8], _buffer_len: usize) -> Result<usize, BufferError> { fn encode(&mut self, _buffer: &mut [u8], _buffer_len: usize) -> Result<usize, BufferError> {
error!("SUBACK packet does not support encoding!"); error!("SUBACK packet does not support encoding!");
return Err(BufferError::WrongPacketToEncode); Err(BufferError::WrongPacketToEncode)
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Suback).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Suback {
error!("Packet you are trying to decode is not SUBACK packet!"); error!("Packet you are trying to decode is not SUBACK packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
self.packet_identifier = buff_reader.read_u16()?; self.packet_identifier = buff_reader.read_u16()?;
self.decode_properties(buff_reader)?; self.decode_properties(buff_reader)?;
return self.read_reason_codes(buff_reader); self.read_reason_codes(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -99,7 +99,7 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize> Packet<'a>
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

14
src/packet/v5/subscription_packet.rs
View File

@ -52,10 +52,9 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize>
let mut new_filter = TopicFilter::new(); let mut new_filter = TopicFilter::new();
new_filter.filter.string = topic_name; new_filter.filter.string = topic_name;
new_filter.filter.len = len as u16; new_filter.filter.len = len as u16;
new_filter.sub_options = new_filter.sub_options |= <QualityOfService as Into<u8>>::into(qos) >> 1;
new_filter.sub_options | (<QualityOfService as Into<u8>>::into(qos) >> 1);
self.topic_filters.push(new_filter); self.topic_filters.push(new_filter);
self.topic_filter_len = self.topic_filter_len + 1; self.topic_filter_len += 1;
} }
} }
@ -63,7 +62,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
for SubscriptionPacket<'a, MAX_FILTERS, MAX_PROPERTIES> for SubscriptionPacket<'a, MAX_FILTERS, MAX_PROPERTIES>
{ {
fn new() -> Self { fn new() -> Self {
let x = Self { Self {
fixed_header: PacketType::Subscribe.into(), fixed_header: PacketType::Subscribe.into(),
remain_len: 0, remain_len: 0,
packet_identifier: 1, packet_identifier: 1,
@ -71,8 +70,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
properties: Vec::<Property<'a>, MAX_PROPERTIES>::new(), properties: Vec::<Property<'a>, MAX_PROPERTIES>::new(),
topic_filter_len: 0, topic_filter_len: 0,
topic_filters: Vec::<TopicFilter<'a>, MAX_FILTERS>::new(), topic_filters: Vec::<TopicFilter<'a>, MAX_FILTERS>::new(),
}; }
return x;
} }
fn encode(&mut self, buffer: &mut [u8], buffer_len: usize) -> Result<usize, BufferError> { fn encode(&mut self, buffer: &mut [u8], buffer_len: usize) -> Result<usize, BufferError> {
@ -86,7 +84,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
let mut filters_len = 0; let mut filters_len = 0;
loop { loop {
filters_len = filters_len + self.topic_filters.get(lt).unwrap().filter.len + 3; filters_len = filters_len + self.topic_filters.get(lt).unwrap().filter.len + 3;
lt = lt + 1; lt += 1;
if lt == self.topic_filter_len as usize { if lt == self.topic_filter_len as usize {
break; break;
} }
@ -115,7 +113,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

8
src/packet/v5/unsuback_packet.rs
View File

@ -50,7 +50,7 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize>
let mut i = 0; let mut i = 0;
loop { loop {
self.reason_codes.push(buff_reader.read_u8()?); self.reason_codes.push(buff_reader.read_u8()?);
i = i + 1; i += 1;
if i == MAX_REASONS { if i == MAX_REASONS {
break; break;
} }
@ -79,13 +79,13 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize> Packet<'a>
} }
fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> { fn decode(&mut self, buff_reader: &mut BuffReader<'a>) -> Result<(), BufferError> {
if self.decode_fixed_header(buff_reader)? != (PacketType::Unsuback).into() { if self.decode_fixed_header(buff_reader)? != PacketType::Unsuback {
error!("Packet you are trying to decode is not UNSUBACK packet!"); error!("Packet you are trying to decode is not UNSUBACK packet!");
return Err(BufferError::PacketTypeMismatch); return Err(BufferError::PacketTypeMismatch);
} }
self.packet_identifier = buff_reader.read_u16()?; self.packet_identifier = buff_reader.read_u16()?;
self.decode_properties(buff_reader)?; self.decode_properties(buff_reader)?;
return self.read_reason_codes(buff_reader); self.read_reason_codes(buff_reader)
} }
fn set_property_len(&mut self, value: u32) { fn set_property_len(&mut self, value: u32) {
@ -93,7 +93,7 @@ impl<'a, const MAX_REASONS: usize, const MAX_PROPERTIES: usize> Packet<'a>
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

8
src/packet/v5/unsubscription_packet.rs
View File

@ -51,9 +51,9 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize>
let mut new_filter = TopicFilter::new(); let mut new_filter = TopicFilter::new();
new_filter.filter.string = topic_name; new_filter.filter.string = topic_name;
new_filter.filter.len = len as u16; new_filter.filter.len = len as u16;
new_filter.sub_options = new_filter.sub_options | 0x01; new_filter.sub_options |= 0x01;
self.topic_filters.push(new_filter); self.topic_filters.push(new_filter);
self.topic_filter_len = self.topic_filter_len + 1; self.topic_filter_len += 1;
} }
} }
@ -83,7 +83,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
let mut filters_len = 0; let mut filters_len = 0;
loop { loop {
filters_len = filters_len + self.topic_filters.get(lt).unwrap().filter.len + 2; filters_len = filters_len + self.topic_filters.get(lt).unwrap().filter.len + 2;
lt = lt + 1; lt += 1;
if lt == self.topic_filter_len as usize { if lt == self.topic_filter_len as usize {
break; break;
} }
@ -113,7 +113,7 @@ impl<'a, const MAX_FILTERS: usize, const MAX_PROPERTIES: usize> Packet<'a>
} }
fn get_property_len(&mut self) -> u32 { fn get_property_len(&mut self) -> u32 {
return self.property_len; self.property_len
} }
fn push_to_properties(&mut self, property: Property<'a>) { fn push_to_properties(&mut self, property: Property<'a>) {

44
src/utils/buffer_reader.rs
View File

@ -38,15 +38,15 @@ pub struct BuffReader<'a> {
impl<'a> BuffReader<'a> { impl<'a> BuffReader<'a> {
pub fn increment_position(&mut self, increment: usize) { pub fn increment_position(&mut self, increment: usize) {
self.position = self.position + increment; self.position += increment;
} }
pub fn new(buffer: &'a [u8], buff_len: usize) -> Self { pub fn new(buffer: &'a [u8], buff_len: usize) -> Self {
return BuffReader { Self {
buffer, buffer,
position: 0, position: 0,
len: buff_len, len: buff_len,
}; }
} }
/// Variable byte integer can be 1-4 Bytes long. Buffer reader takes all 4 Bytes at first and /// Variable byte integer can be 1-4 Bytes long. Buffer reader takes all 4 Bytes at first and
@ -66,14 +66,14 @@ impl<'a> BuffReader<'a> {
} }
if self.buffer[self.position + x] & 0x80 != 0 { if self.buffer[self.position + x] & 0x80 != 0 {
variable_byte_integer[x] = self.buffer[self.position + x]; variable_byte_integer[x] = self.buffer[self.position + x];
len = len + 1 len += 1
} else { } else {
variable_byte_integer[x] = self.buffer[self.position + x]; variable_byte_integer[x] = self.buffer[self.position + x];
x = x + 1; x += 1;
if x != 4 { if x != 4 {
loop { loop {
variable_byte_integer[x] = 0; variable_byte_integer[x] = 0;
x = x + 1; x += 1;
if x == 4 { if x == 4 {
break; break;
} }
@ -81,10 +81,10 @@ impl<'a> BuffReader<'a> {
break; break;
} }
} }
x = x + 1; x += 1;
} }
self.increment_position(len); self.increment_position(len);
return VariableByteIntegerDecoder::decode(variable_byte_integer); VariableByteIntegerDecoder::decode(variable_byte_integer)
} }
/// Reading u32 from buffer as `Big endian` /// Reading u32 from buffer as `Big endian`
@ -95,7 +95,7 @@ impl<'a> BuffReader<'a> {
let (int_bytes, _rest) = self.buffer[self.position..].split_at(mem::size_of::<u32>()); let (int_bytes, _rest) = self.buffer[self.position..].split_at(mem::size_of::<u32>());
let ret: u32 = u32::from_be_bytes(int_bytes.try_into().unwrap()); let ret: u32 = u32::from_be_bytes(int_bytes.try_into().unwrap());
self.increment_position(4); self.increment_position(4);
return Ok(ret); Ok(ret)
} }
/// Reading u16 from buffer as `Big endinan` /// Reading u16 from buffer as `Big endinan`
@ -106,7 +106,7 @@ impl<'a> BuffReader<'a> {
let (int_bytes, _rest) = self.buffer[self.position..].split_at(mem::size_of::<u16>()); let (int_bytes, _rest) = self.buffer[self.position..].split_at(mem::size_of::<u16>());
let ret: u16 = u16::from_be_bytes(int_bytes.try_into().unwrap()); let ret: u16 = u16::from_be_bytes(int_bytes.try_into().unwrap());
self.increment_position(2); self.increment_position(2);
return Ok(ret); Ok(ret)
} }
/// Reading one byte from buffer as `Big endian` /// Reading one byte from buffer as `Big endian`
@ -116,14 +116,14 @@ impl<'a> BuffReader<'a> {
} }
let ret: u8 = self.buffer[self.position]; let ret: u8 = self.buffer[self.position];
self.increment_position(1); self.increment_position(1);
return Ok(ret); Ok(ret)
} }
/// Reading UTF-8 encoded string from buffer /// Reading UTF-8 encoded string from buffer
pub fn read_string(&mut self) -> Result<EncodedString<'a>, BufferError> { pub fn read_string(&mut self) -> Result<EncodedString<'a>, BufferError> {
let len = self.read_u16()? as usize; let len = self.read_u16()? as usize;
if self.position + len - 1 >= self.len { if self.position + len > self.len {
return Err(BufferError::InsufficientBufferSize); return Err(BufferError::InsufficientBufferSize);
} }
@ -133,29 +133,29 @@ impl<'a> BuffReader<'a> {
return Err(BufferError::Utf8Error); return Err(BufferError::Utf8Error);
} }
self.increment_position(len); self.increment_position(len);
return Ok(EncodedString { Ok(EncodedString {
string: res_str.unwrap(), string: res_str.unwrap(),
len: len as u16, len: len as u16,
}); })
} }
/// Read Binary data from buffer /// Read Binary data from buffer
pub fn read_binary(&mut self) -> Result<BinaryData<'a>, BufferError> { pub fn read_binary(&mut self) -> Result<BinaryData<'a>, BufferError> {
let len = self.read_u16()?; let len = self.read_u16()?;
if self.position + len as usize - 1 >= self.len { if self.position + len as usize > self.len {
return Err(BufferError::InsufficientBufferSize); return Err(BufferError::InsufficientBufferSize);
} }
let res_bin = &(self.buffer[self.position..(self.position + len as usize)]); let res_bin = &(self.buffer[self.position..(self.position + len as usize)]);
return Ok(BinaryData { bin: res_bin, len }); Ok(BinaryData { bin: res_bin, len })
} }
/// Read string pair from buffer /// Read string pair from buffer
pub fn read_string_pair(&mut self) -> Result<StringPair<'a>, BufferError> { pub fn read_string_pair(&mut self) -> Result<StringPair<'a>, BufferError> {
let name = self.read_string()?; let name = self.read_string()?;
let value = self.read_string()?; let value = self.read_string()?;
return Ok(StringPair { name, value }); Ok(StringPair { name, value })
} }
/// Read payload message from buffer /// Read payload message from buffer
@ -163,6 +163,14 @@ impl<'a> BuffReader<'a> {
if total_len > self.len { if total_len > self.len {
return &self.buffer[self.position..self.len]; return &self.buffer[self.position..self.len];
} }
return &self.buffer[self.position..total_len]; &self.buffer[self.position..total_len]
}
/// Peeking (without incremental internal pointer) one byte from buffer as `Big endian`
pub fn peek_u8(&self) -> Result<u8, BufferError> {
if self.position >= self.len {
return Err(BufferError::InsufficientBufferSize);
}
Ok(self.buffer[self.position])
} }
} }

48
src/utils/buffer_writer.rs
View File

@ -28,6 +28,9 @@ use crate::encoding::variable_byte_integer::{VariableByteInteger, VariableByteIn
use crate::packet::v5::property::Property; use crate::packet::v5::property::Property;
use crate::utils::types::{BinaryData, BufferError, EncodedString, StringPair, TopicFilter}; use crate::utils::types::{BinaryData, BufferError, EncodedString, StringPair, TopicFilter};
#[derive(Debug, Clone, Copy)]
pub struct RemLenError;
/// Buff writer is writing corresponding types to buffer (Byte array) and stores current position /// Buff writer is writing corresponding types to buffer (Byte array) and stores current position
/// (later as cursor) /// (later as cursor)
pub struct BuffWriter<'a> { pub struct BuffWriter<'a> {
@ -38,27 +41,28 @@ pub struct BuffWriter<'a> {
impl<'a> BuffWriter<'a> { impl<'a> BuffWriter<'a> {
pub fn new(buffer: &'a mut [u8], buff_len: usize) -> Self { pub fn new(buffer: &'a mut [u8], buff_len: usize) -> Self {
return BuffWriter { Self {
buffer, buffer,
position: 0, position: 0,
len: buff_len, len: buff_len,
}; }
} }
fn increment_position(&mut self, increment: usize) { fn increment_position(&mut self, increment: usize) {
self.position = self.position + increment; self.position += increment;
} }
/// Returns n-th Byte from the buffer to which is currently written. /// Returns n-th Byte from the buffer to which is currently written.
pub fn get_n_byte(&mut self, n: usize) -> u8 { pub fn get_n_byte(&mut self, n: usize) -> u8 {
if self.position >= n { if self.position >= n {
return self.buffer[n]; self.buffer[n]
} else {
0
} }
return 0;
} }
/// Return the remaining lenght of the packet from the buffer to which is packet written. /// Return the remaining lenght of the packet from the buffer to which is packet written.
pub fn get_rem_len(&mut self) -> Result<VariableByteInteger, ()> { pub fn get_rem_len(&mut self) -> Result<VariableByteInteger, RemLenError> {
let max = if self.position >= 5 { let max = if self.position >= 5 {
4 4
} else { } else {
@ -72,12 +76,12 @@ impl<'a> BuffWriter<'a> {
return Ok(len); return Ok(len);
} }
if len[i - 1] & 0x80 != 0 && i == max && i != 4 { if len[i - 1] & 0x80 != 0 && i == max && i != 4 {
return Err(()); return Err(RemLenError);
} }
if i == max { if i == max {
return Ok(len); return Ok(len);
} }
i = i + 1; i += 1;
} }
} }
@ -91,36 +95,36 @@ impl<'a> BuffWriter<'a> {
loop { loop {
self.buffer[self.position] = array[x]; self.buffer[self.position] = array[x];
self.increment_position(1); self.increment_position(1);
x = x + 1; x += 1;
if x == len { if x == len {
break; break;
} }
} }
} }
return Ok(()); Ok(())
} }
/// Writes a single Byte to the buffer. /// Writes a single Byte to the buffer.
pub fn write_u8(&mut self, byte: u8) -> Result<(), BufferError> { pub fn write_u8(&mut self, byte: u8) -> Result<(), BufferError> {
return if self.position >= self.len { if self.position >= self.len {
Err(BufferError::InsufficientBufferSize) Err(BufferError::InsufficientBufferSize)
} else { } else {
self.buffer[self.position] = byte; self.buffer[self.position] = byte;
self.increment_position(1); self.increment_position(1);
Ok(()) Ok(())
}; }
} }
/// Writes the two Byte value to the buffer. /// Writes the two Byte value to the buffer.
pub fn write_u16(&mut self, two_bytes: u16) -> Result<(), BufferError> { pub fn write_u16(&mut self, two_bytes: u16) -> Result<(), BufferError> {
let bytes: [u8; 2] = two_bytes.to_be_bytes(); let bytes: [u8; 2] = two_bytes.to_be_bytes();
return self.insert_ref(2, &bytes); self.insert_ref(2, &bytes)
} }
/// Writes the four Byte value to the buffer. /// Writes the four Byte value to the buffer.
pub fn write_u32(&mut self, four_bytes: u32) -> Result<(), BufferError> { pub fn write_u32(&mut self, four_bytes: u32) -> Result<(), BufferError> {
let bytes: [u8; 4] = four_bytes.to_be_bytes(); let bytes: [u8; 4] = four_bytes.to_be_bytes();
return self.insert_ref(4, &bytes); self.insert_ref(4, &bytes)
} }
/// Writes the UTF-8 string type to the buffer. /// Writes the UTF-8 string type to the buffer.
@ -130,32 +134,32 @@ impl<'a> BuffWriter<'a> {
let bytes = str.string.as_bytes(); let bytes = str.string.as_bytes();
return self.insert_ref(str.len as usize, bytes); return self.insert_ref(str.len as usize, bytes);
} }
return Ok(()); Ok(())
} }
/// Writes BinaryData to the buffer. /// Writes BinaryData to the buffer.
pub fn write_binary_ref(&mut self, bin: &BinaryData<'a>) -> Result<(), BufferError> { pub fn write_binary_ref(&mut self, bin: &BinaryData<'a>) -> Result<(), BufferError> {
self.write_u16(bin.len)?; self.write_u16(bin.len)?;
return self.insert_ref(bin.len as usize, bin.bin); self.insert_ref(bin.len as usize, bin.bin)
} }
/// Writes the string pair to the buffer. /// Writes the string pair to the buffer.
pub fn write_string_pair_ref(&mut self, str_pair: &StringPair<'a>) -> Result<(), BufferError> { pub fn write_string_pair_ref(&mut self, str_pair: &StringPair<'a>) -> Result<(), BufferError> {
self.write_string_ref(&str_pair.name)?; self.write_string_ref(&str_pair.name)?;
return self.write_string_ref(&str_pair.value); self.write_string_ref(&str_pair.value)
} }
/// Encodes the u32 value into the VariableByteInteger and this value writes to the buffer. /// Encodes the u32 value into the VariableByteInteger and this value writes to the buffer.
pub fn write_variable_byte_int(&mut self, int: u32) -> Result<(), BufferError> { pub fn write_variable_byte_int(&mut self, int: u32) -> Result<(), BufferError> {
let x: VariableByteInteger = VariableByteIntegerEncoder::encode(int)?; let x: VariableByteInteger = VariableByteIntegerEncoder::encode(int)?;
let len = VariableByteIntegerEncoder::len(x); let len = VariableByteIntegerEncoder::len(x);
return self.insert_ref(len, &x); self.insert_ref(len, &x)
} }
fn write_property(&mut self, property: &Property<'a>) -> Result<(), BufferError> { fn write_property(&mut self, property: &Property<'a>) -> Result<(), BufferError> {
let x: u8 = property.into(); let x: u8 = property.into();
self.write_u8(x)?; self.write_u8(x)?;
return property.encode(self); property.encode(self)
} }
/// Writes all properties from the `properties` Vec into the buffer. /// Writes all properties from the `properties` Vec into the buffer.
@ -169,7 +173,7 @@ impl<'a> BuffWriter<'a> {
loop { loop {
let prop: &Property = properties.get(i).unwrap_or(&Property::Reserved()); let prop: &Property = properties.get(i).unwrap_or(&Property::Reserved());
self.write_property(prop)?; self.write_property(prop)?;
i = i + 1; i += 1;
if i == len { if i == len {
break; break;
} }
@ -189,7 +193,7 @@ impl<'a> BuffWriter<'a> {
if sub { if sub {
self.write_u8(topic_filter.sub_options)?; self.write_u8(topic_filter.sub_options)?;
} }
return Ok(()); Ok(())
} }
/// Writes the topic filter Vec to the buffer. If the `sub` option is set to `false`, it will not /// Writes the topic filter Vec to the buffer. If the `sub` option is set to `false`, it will not
@ -204,7 +208,7 @@ impl<'a> BuffWriter<'a> {
loop { loop {
let topic_filter: &TopicFilter<'a> = filters.get(i).unwrap(); let topic_filter: &TopicFilter<'a> = filters.get(i).unwrap();
self.write_topic_filter_ref(sub, topic_filter)?; self.write_topic_filter_ref(sub, topic_filter)?;
i = i + 1; i += 1;
if i == len { if i == len {
break; break;
} }

3
src/utils/rng_generator.rs
View File

@ -23,6 +23,7 @@ impl RngCore for CountingRng {
} }
fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> { fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error> {
Ok(self.fill_bytes(dest)) self.fill_bytes(dest);
Ok(())
} }
} }

25
src/utils/types.rs
View File

@ -56,7 +56,7 @@ impl Display for BufferError {
} }
} }
/// Encoded string provides structure representing UTF-8 encoded string in MQTTv5 packets /// Encoded string provides structure representing UTF-8 encoded string in MQTTv5 packets
#[derive(Debug, Clone)] #[derive(Debug, Clone, Default)]
pub struct EncodedString<'a> { pub struct EncodedString<'a> {
pub string: &'a str, pub string: &'a str,
pub len: u16, pub len: u16,
@ -68,13 +68,13 @@ impl EncodedString<'_> {
} }
/// Return length of string /// Return length of string
pub fn len(&self) -> u16 { pub fn encoded_len(&self) -> u16 {
return self.len + 2; self.len + 2
} }
} }
/// Binary data represents `Binary data` in MQTTv5 protocol /// Binary data represents `Binary data` in MQTTv5 protocol
#[derive(Debug, Clone)] #[derive(Debug, Clone, Default)]
pub struct BinaryData<'a> { pub struct BinaryData<'a> {
pub bin: &'a [u8], pub bin: &'a [u8],
pub len: u16, pub len: u16,
@ -85,13 +85,13 @@ impl BinaryData<'_> {
Self { bin: &[0], len: 0 } Self { bin: &[0], len: 0 }
} }
/// Returns length of Byte array /// Returns length of Byte array
pub fn len(&self) -> u16 { pub fn encoded_len(&self) -> u16 {
return self.len + 2; self.len + 2
} }
} }
/// String pair struct represents `String pair` in MQTTv5 (2 UTF-8 encoded strings name-value) /// String pair struct represents `String pair` in MQTTv5 (2 UTF-8 encoded strings name-value)
#[derive(Debug, Clone)] #[derive(Debug, Clone, Default)]
pub struct StringPair<'a> { pub struct StringPair<'a> {
pub name: EncodedString<'a>, pub name: EncodedString<'a>,
pub value: EncodedString<'a>, pub value: EncodedString<'a>,
@ -105,14 +105,13 @@ impl StringPair<'_> {
} }
} }
/// Returns length which is equal to sum of the lenghts of UTF-8 encoded strings in pair /// Returns length which is equal to sum of the lenghts of UTF-8 encoded strings in pair
pub fn len(&self) -> u16 { pub fn encoded_len(&self) -> u16 {
let ln = self.name.len() + self.value.len(); self.name.encoded_len() + self.value.encoded_len()
return ln;
} }
} }
/// Topic filter serves as bound for topic selection and subscription options for `SUBSCRIPTION` packet /// Topic filter serves as bound for topic selection and subscription options for `SUBSCRIPTION` packet
#[derive(Debug)] #[derive(Debug, Default)]
pub struct TopicFilter<'a> { pub struct TopicFilter<'a> {
pub filter: EncodedString<'a>, pub filter: EncodedString<'a>,
pub sub_options: u8, pub sub_options: u8,
@ -126,7 +125,7 @@ impl TopicFilter<'_> {
} }
} }
pub fn len(&self) -> u16 { pub fn encoded_len(&self) -> u16 {
return self.filter.len + 3; self.filter.len + 3
} }
} }

21
tests/integration_test_single.rs
View File

@ -63,6 +63,7 @@ fn setup() {
async fn publish_core<'b>( async fn publish_core<'b>(
client: &mut MqttClient<'b, TokioNetwork, 5, CountingRng>, client: &mut MqttClient<'b, TokioNetwork, 5, CountingRng>,
wait: u64, wait: u64,
qos: QualityOfService,
topic: &str, topic: &str,
message: &str, message: &str,
err: bool, err: bool,
@ -80,7 +81,9 @@ async fn publish_core<'b>(
"[Publisher] Sending new message {} to topic {}", "[Publisher] Sending new message {} to topic {}",
message, topic message, topic
); );
result = client.send_message(topic, message.as_bytes()).await; result = client
.send_message(topic, message.as_bytes(), qos, false)
.await;
info!("[PUBLISHER] sent"); info!("[PUBLISHER] sent");
if err == true { if err == true {
assert_err!(result); assert_err!(result);
@ -107,7 +110,7 @@ async fn publish(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 100; config.max_packet_size = 100;
@ -122,7 +125,7 @@ async fn publish(
80, 80,
config, config,
); );
publish_core(&mut client, wait, topic, MSG, false).await publish_core(&mut client, wait, qos, topic, MSG, false).await
} }
async fn publish_spec( async fn publish_spec(
@ -139,7 +142,7 @@ async fn publish_spec(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 100; config.max_packet_size = 100;
@ -154,7 +157,7 @@ async fn publish_spec(
80, 80,
config, config,
); );
publish_core(&mut client, wait, topic, message, err).await publish_core(&mut client, wait, qos, topic, message, err).await
} }
async fn receive_core<'b>( async fn receive_core<'b>(
@ -236,7 +239,7 @@ async fn receive_multiple<const TOPICS: usize>(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 60; config.max_packet_size = 60;
@ -263,7 +266,7 @@ async fn receive(ip: Ipv4Addr, qos: QualityOfService, topic: &str) -> Result<(),
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 6000; config.max_packet_size = 6000;
@ -290,7 +293,7 @@ async fn receive_with_wrong_cred(qos: QualityOfService) -> Result<(), ReasonCode
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username("xyz"); config.add_username("xyz");
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 60; config.max_packet_size = 60;
@ -329,7 +332,7 @@ async fn receive_multiple_second_unsub<const TOPICS: usize>(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(20000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(20000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 60; config.max_packet_size = 60;

8
tests/load_test.rs
View File

@ -78,7 +78,9 @@ async fn publish_core<'b>(
info!("[Publisher] Sending new message {} to topic {}", MSG, topic); info!("[Publisher] Sending new message {} to topic {}", MSG, topic);
let mut count = 0; let mut count = 0;
loop { loop {
result = client.send_message(topic, MSG.as_bytes()).await; result = client
.send_message(topic, MSG.as_bytes(), QualityOfService::QoS0, false)
.await;
info!("[PUBLISHER] sent {}", count); info!("[PUBLISHER] sent {}", count);
assert_ok!(result); assert_ok!(result);
count = count + 1; count = count + 1;
@ -107,7 +109,7 @@ async fn publish(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(50000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(50000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 100; config.max_packet_size = 100;
@ -171,7 +173,7 @@ async fn receive(
.map_err(|_| ReasonCode::NetworkError)?; .map_err(|_| ReasonCode::NetworkError)?;
let connection = TokioNetwork::new(connection); let connection = TokioNetwork::new(connection);
let mut config = ClientConfig::new(MQTTv5, CountingRng(50000)); let mut config = ClientConfig::new(MQTTv5, CountingRng(50000));
config.add_qos(qos); config.add_max_subscribe_qos(qos);
config.add_username(USERNAME); config.add_username(USERNAME);
config.add_password(PASSWORD); config.add_password(PASSWORD);
config.max_packet_size = 6000; config.max_packet_size = 6000;