Add github.com/eclipse/paho.mqtt.golang

This dependency is required to use MQTT with Go.

1 files changed, 68 insertions, 0 deletions

diff --git a/vendor/github.com/eclipse/paho.mqtt.golang/packets/connack.go b/vendor/github.com/eclipse/paho.mqtt.golang/packets/connack.go
new file mode 100644
index 0000000..3a7b98f
--- /dev/null
+++ b/vendor/github.com/eclipse/paho.mqtt.golang/packets/connack.go
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2021 IBM Corp and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v2.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ *    https://www.eclipse.org/legal/epl-2.0/
+ * and the Eclipse Distribution License is available at
+ *   http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ *    Allan Stockdill-Mander
+ */
+
+package packets
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+)
+
+// ConnackPacket is an internal representation of the fields of the
+// Connack MQTT packet
+type ConnackPacket struct {
+	FixedHeader
+	SessionPresent bool
+	ReturnCode     byte
+}
+
+func (ca *ConnackPacket) String() string {
+	return fmt.Sprintf("%s sessionpresent: %t returncode: %d", ca.FixedHeader, ca.SessionPresent, ca.ReturnCode)
+}
+
+func (ca *ConnackPacket) Write(w io.Writer) error {
+	var body bytes.Buffer
+	var err error
+
+	body.WriteByte(boolToByte(ca.SessionPresent))
+	body.WriteByte(ca.ReturnCode)
+	ca.FixedHeader.RemainingLength = 2
+	packet := ca.FixedHeader.pack()
+	packet.Write(body.Bytes())
+	_, err = packet.WriteTo(w)
+
+	return err
+}
+
+// Unpack decodes the details of a ControlPacket after the fixed
+// header has been read
+func (ca *ConnackPacket) Unpack(b io.Reader) error {
+	flags, err := decodeByte(b)
+	if err != nil {
+		return err
+	}
+	ca.SessionPresent = 1&flags > 0
+	ca.ReturnCode, err = decodeByte(b)
+
+	return err
+}
+
+// Details returns a Details struct containing the Qos and
+// MessageID of this ControlPacket
+func (ca *ConnackPacket) Details() Details {
+	return Details{Qos: 0, MessageID: 0}
+}