Implement MConnack::write

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/mqtt-format/src/v5/packets/connack.rs b/mqtt-format/src/v5/packets/connack.rs
index a3af49f..357c8f9 100644
--- a/mqtt-format/src/v5/packets/connack.rs
+++ b/mqtt-format/src/v5/packets/connack.rs
@@ -28,6 +28,8 @@ use crate::v5::variable_header::SubscriptionIdentifiersAvailable;
 use crate::v5::variable_header::TopicAliasMaximum;
 use crate::v5::variable_header::UserProperties;
 use crate::v5::variable_header::WildcardSubscriptionAvailable;
+use crate::v5::write::WResult;
+use crate::v5::write::WriteMqttPacket;
 use crate::v5::MResult;
 
 crate::v5::reason_code::make_combined_reason_code! {
@@ -145,4 +147,11 @@ impl<'i> MConnack<'i> {
         })
         .parse_next(input)
     }
+
+    pub async fn write<W: WriteMqttPacket>(&self, buffer: &mut W) -> WResult<W> {
+        let byte = (self.session_present as u8) << 7;
+        buffer.write_byte(byte).await?;
+        self.reason_code.write(buffer).await?;
+        self.properties.write(buffer).await
+    }
 }