Documentation
¶
Overview ¶
Package topics contains tools related to MQTT-SN topics handling.
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type PredefinedTopics ¶
PredefinedTopics implements a map of MQTT-SN predefined topics. It maps clientID -> (topicID -> topicName).
func ParsePredefinedTopicOptions ¶
func ParsePredefinedTopicOptions(options ...string) (PredefinedTopics, error)
ParsePredefinedTopicOptions parses a command line predefined topics definition in "client_id;topic;topic_id" format.
Example ¶
option1 := "*;test/topic1;1" option2 := "client;test/topic2;2" topics, _ := ParsePredefinedTopicOptions(option1, option2) fmt.Println(topics)
Output: map[*:map[1:test/topic1] client:map[2:test/topic2]]
func ReadPredefinedTopicsFile ¶
func ReadPredefinedTopicsFile(file string) (PredefinedTopics, error)
ReadPredefinedTopicsFile reads a predefined topics definition file in YAML format.
Example ¶
f, _ := ioutil.TempFile("/tmp", "example_predefined_topics.yaml")
defer os.Remove(f.Name())
f.Write([]byte(`
"*":
1: any/topic1
2: any/topic2
client1:
3: client1/topic1
4: client1/topic2`))
f.Close()
topics, _ := ReadPredefinedTopicsFile(f.Name())
fmt.Println(topics)
Output: map[*:map[1:any/topic1 2:any/topic2] client1:map[3:client1/topic1 4:client1/topic2]]
func (PredefinedTopics) Add ¶
func (t PredefinedTopics) Add(clientID, topicName string, topicID uint16)
Add adds a new predefined topic to the map.
func (PredefinedTopics) GetTopicID ¶
func (t PredefinedTopics) GetTopicID(clientID, topic string) (uint16, bool)
GetTopicID returns a topic ID for the given clientID and topic.
func (PredefinedTopics) GetTopicName ¶
func (t PredefinedTopics) GetTopicName(clientID string, topicID uint16) (string, bool)
GetTopicName returns a topic name for the given clientID and topicID.
func (PredefinedTopics) Merge ¶
func (t PredefinedTopics) Merge(src PredefinedTopics)
Merge merges another predefined topics map in. If there are collisions, the given map (src) values take precedence.
Source Files
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