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Introduce a max_read_time

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This commit is contained in:
Daniel O'Connor 2014-06-04 17:42:07 +09:30
parent 325d2eace6
commit d841b3e4b5
1 changed files with 29 additions and 13 deletions

42
app/models/agents/mqtt_agent.rb
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@ -41,14 +41,14 @@ module Agents
temperature and other events are being published.
<pre><code>{
'uri' => 'mqtt://kcqlmkgx:sVNoccqwvXxE@m10.cloudmqtt.com:13858'
'uri' => 'mqtt://kcqlmkgx:sVNoccqwvXxE@m10.cloudmqtt.com:13858',
'topic' => 'the_thing_system/demo'
}
</code></pre>
Subscribe to all topics
<pre><code>{
'uri' => 'mqtt://kcqlmkgx:sVNoccqwvXxE@m10.cloudmqtt.com:13858'
'uri' => 'mqtt://kcqlmkgx:sVNoccqwvXxE@m10.cloudmqtt.com:13858',
'topic' => '/#'
}
</code></pre>
@ -81,24 +81,25 @@ module Agents
{
'uri' => 'mqtts://user:pass@locahost:8883',
'ssl' => :TLSv1,
'ca_file' => './ca.pem',
'ca_file' => './ca.pem',
'cert_file' => './client.crt',
'key_file' => './client.key',
'topic' => 'huginn'
'topic' => 'huginn',
'max_read_time' => '10'
}
end
def mqtt_client
client = MQTT::Client.new(options['uri'])
@client ||= MQTT::Client.new(options['uri'])
if options['ssl']
client.ssl = options['ssl'].to_sym
client.ca_file = options['ca_file']
client.cert_file = options['cert_file']
client.key_file = options['key_file']
@client.ssl = options['ssl'].to_sym
@client.ca_file = options['ca_file']
@client.cert_file = options['cert_file']
@client.key_file = options['key_file']
end
client
@client
end
def receive(incoming_events)
@ -106,15 +107,30 @@ module Agents
incoming_events.each do |event|
c.publish(options['topic'], payload)
end
c.disconnect
end
end
def check
mqtt_client.connect do |c|
c.get(options['topic']) do |topic,message|
create_event :payload => { 'topic' => topic, 'message' => JSON.parse(message), 'time' => Time.now.to_i }
end
Timeout::timeout(options['max_read_time']) {
c.get(options['topic']) do |topic, message|
# A lot of services generate JSON. Try that first
payload = JSON.parse(message) rescue message
create_event :payload => {
'topic' => topic,
'message' => payload,
'time' => Time.now.to_i
}
end
} rescue TimeoutError
c.disconnect
end
end