Working through bugs
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# https://mosquitto.org/man/mosquitto-conf-5.html
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# Config file for mosquitto
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#
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# See mosquitto.conf(5) for more information.
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#
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# Default values are shown, uncomment to change.
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#
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# Use the # character to indicate a comment, but only if it is the
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# very first character on the line.
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# =================================================================
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# General configuration
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# =================================================================
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# Use per listener security settings.
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#
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# It is recommended this option be set before any other options.
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#
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# If this option is set to true, then all authentication and access control
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# options are controlled on a per listener basis. The following options are
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# affected:
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#
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# acl_file
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allow_anonymous false
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password_file /etc/mosquitto/passwd
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# allow_zero_length_clientid
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# auto_id_prefix
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# password_file
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# plugin
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# plugin_opt_*
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# psk_file
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#
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# Note that if set to true, then a durable client (i.e. with clean session set
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# to false) that has disconnected will use the ACL settings defined for the
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# listener that it was most recently connected to.
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#
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# The default behaviour is for this to be set to false, which maintains the
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# setting behaviour from previous versions of mosquitto.
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#per_listener_settings false
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# This option controls whether a client is allowed to connect with a zero
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# length client id or not. This option only affects clients using MQTT v3.1.1
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# and later. If set to false, clients connecting with a zero length client id
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# are disconnected. If set to true, clients will be allocated a client id by
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# the broker. This means it is only useful for clients with clean session set
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# to true.
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#allow_zero_length_clientid true
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# If allow_zero_length_clientid is true, this option allows you to set a prefix
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# to automatically generated client ids to aid visibility in logs.
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# Defaults to 'auto-'
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#auto_id_prefix auto-
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# This option affects the scenario when a client subscribes to a topic that has
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# retained messages. It is possible that the client that published the retained
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# message to the topic had access at the time they published, but that access
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# has been subsequently removed. If check_retain_source is set to true, the
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# default, the source of a retained message will be checked for access rights
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# before it is republished. When set to false, no check will be made and the
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# retained message will always be published. This affects all listeners.
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#check_retain_source true
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# QoS 1 and 2 messages will be allowed inflight per client until this limit
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# is exceeded. Defaults to 0. (No maximum)
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# See also max_inflight_messages
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#max_inflight_bytes 0
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# The maximum number of QoS 1 and 2 messages currently inflight per
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# client.
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# This includes messages that are partway through handshakes and
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# those that are being retried. Defaults to 20. Set to 0 for no
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# maximum. Setting to 1 will guarantee in-order delivery of QoS 1
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# and 2 messages.
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#max_inflight_messages 20
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# For MQTT v5 clients, it is possible to have the server send a "server
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# keepalive" value that will override the keepalive value set by the client.
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# This is intended to be used as a mechanism to say that the server will
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# disconnect the client earlier than it anticipated, and that the client should
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# use the new keepalive value. The max_keepalive option allows you to specify
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# that clients may only connect with keepalive less than or equal to this
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# value, otherwise they will be sent a server keepalive telling them to use
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# max_keepalive. This only applies to MQTT v5 clients. The default, and maximum
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# value allowable, is 65535.
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#
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# Set to 0 to allow clients to set keepalive = 0, which means no keepalive
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# checks are made and the client will never be disconnected by the broker if no
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# messages are received. You should be very sure this is the behaviour that you
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# want.
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#
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# For MQTT v3.1.1 and v3.1 clients, there is no mechanism to tell the client
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# what keepalive value they should use. If an MQTT v3.1.1 or v3.1 client
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# specifies a keepalive time greater than max_keepalive they will be sent a
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# CONNACK message with the "identifier rejected" reason code, and disconnected.
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#
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#max_keepalive 65535
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# For MQTT v5 clients, it is possible to have the server send a "maximum packet
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# size" value that will instruct the client it will not accept MQTT packets
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# with size greater than max_packet_size bytes. This applies to the full MQTT
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# packet, not just the payload. Setting this option to a positive value will
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# set the maximum packet size to that number of bytes. If a client sends a
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# packet which is larger than this value, it will be disconnected. This applies
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# to all clients regardless of the protocol version they are using, but v3.1.1
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# and earlier clients will of course not have received the maximum packet size
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# information. Defaults to no limit. Setting below 20 bytes is forbidden
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# because it is likely to interfere with ordinary client operation, even with
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# very small payloads.
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#max_packet_size 0
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# QoS 1 and 2 messages above those currently in-flight will be queued per
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# client until this limit is exceeded. Defaults to 0. (No maximum)
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# See also max_queued_messages.
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# If both max_queued_messages and max_queued_bytes are specified, packets will
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# be queued until the first limit is reached.
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#max_queued_bytes 0
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# Set the maximum QoS supported. Clients publishing at a QoS higher than
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# specified here will be disconnected.
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#max_qos 2
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# The maximum number of QoS 1 and 2 messages to hold in a queue per client
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# above those that are currently in-flight. Defaults to 1000. Set
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# to 0 for no maximum (not recommended).
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# See also queue_qos0_messages.
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# See also max_queued_bytes.
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#max_queued_messages 1000
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#
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# This option sets the maximum number of heap memory bytes that the broker will
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# allocate, and hence sets a hard limit on memory use by the broker. Memory
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# requests that exceed this value will be denied. The effect will vary
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# depending on what has been denied. If an incoming message is being processed,
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# then the message will be dropped and the publishing client will be
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# disconnected. If an outgoing message is being sent, then the individual
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# message will be dropped and the receiving client will be disconnected.
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# Defaults to no limit.
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#memory_limit 0
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# This option sets the maximum publish payload size that the broker will allow.
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# Received messages that exceed this size will not be accepted by the broker.
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# The default value is 0, which means that all valid MQTT messages are
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# accepted. MQTT imposes a maximum payload size of 268435455 bytes.
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#message_size_limit 0
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# This option allows the session of persistent clients (those with clean
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# session set to false) that are not currently connected to be removed if they
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# do not reconnect within a certain time frame. This is a non-standard option
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# in MQTT v3.1. MQTT v3.1.1 and v5.0 allow brokers to remove client sessions.
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#
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# Badly designed clients may set clean session to false whilst using a randomly
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# generated client id. This leads to persistent clients that connect once and
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# never reconnect. This option allows these clients to be removed. This option
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# allows persistent clients (those with clean session set to false) to be
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# removed if they do not reconnect within a certain time frame.
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#
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# The expiration period should be an integer followed by one of h d w m y for
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# hour, day, week, month and year respectively. For example
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#
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# persistent_client_expiration 2m
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# persistent_client_expiration 14d
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# persistent_client_expiration 1y
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#
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# The default if not set is to never expire persistent clients.
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#persistent_client_expiration
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# Write process id to a file. Default is a blank string which means
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# a pid file shouldn't be written.
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# This should be set to /var/run/mosquitto/mosquitto.pid if mosquitto is
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# being run automatically on boot with an init script and
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# start-stop-daemon or similar.
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#pid_file
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# Set to true to queue messages with QoS 0 when a persistent client is
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# disconnected. These messages are included in the limit imposed by
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# max_queued_messages and max_queued_bytes
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# Defaults to false.
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# This is a non-standard option for the MQTT v3.1 spec but is allowed in
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# v3.1.1.
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#queue_qos0_messages false
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# Set to false to disable retained message support. If a client publishes a
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# message with the retain bit set, it will be disconnected if this is set to
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# false.
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#retain_available true
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# Disable Nagle's algorithm on client sockets. This has the effect of reducing
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# latency of individual messages at the potential cost of increasing the number
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# of packets being sent.
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#set_tcp_nodelay false
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# Time in seconds between updates of the $SYS tree.
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# Set to 0 to disable the publishing of the $SYS tree.
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#sys_interval 10
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# The MQTT specification requires that the QoS of a message delivered to a
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# subscriber is never upgraded to match the QoS of the subscription. Enabling
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# this option changes this behaviour. If upgrade_outgoing_qos is set true,
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# messages sent to a subscriber will always match the QoS of its subscription.
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# This is a non-standard option explicitly disallowed by the spec.
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#upgrade_outgoing_qos false
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# When run as root, drop privileges to this user and its primary
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# group.
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# Set to root to stay as root, but this is not recommended.
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# If set to "mosquitto", or left unset, and the "mosquitto" user does not exist
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# then it will drop privileges to the "nobody" user instead.
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# If run as a non-root user, this setting has no effect.
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# Note that on Windows this has no effect and so mosquitto should be started by
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# the user you wish it to run as.
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#user mosquitto
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# =================================================================
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# Listeners
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# =================================================================
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# Listen on a port/ip address combination. By using this variable
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# multiple times, mosquitto can listen on more than one port. If
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# this variable is used and neither bind_address nor port given,
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# then the default listener will not be started.
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# The port number to listen on must be given. Optionally, an ip
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# address or host name may be supplied as a second argument. In
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# this case, mosquitto will attempt to bind the listener to that
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# address and so restrict access to the associated network and
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# interface. By default, mosquitto will listen on all interfaces.
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# Note that for a websockets listener it is not possible to bind to a host
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# name.
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#
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# On systems that support Unix Domain Sockets, it is also possible
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# to create a # Unix socket rather than opening a TCP socket. In
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# this case, the port number should be set to 0 and a unix socket
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# path must be provided, e.g.
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# listener 0 /tmp/mosquitto.sock
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#
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# listener port-number [ip address/host name/unix socket path]
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listener 1883 0.0.0.0
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# By default, a listener will attempt to listen on all supported IP protocol
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# versions. If you do not have an IPv4 or IPv6 interface you may wish to
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# disable support for either of those protocol versions. In particular, note
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# that due to the limitations of the websockets library, it will only ever
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# attempt to open IPv6 sockets if IPv6 support is compiled in, and so will fail
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# if IPv6 is not available.
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#
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# Set to `ipv4` to force the listener to only use IPv4, or set to `ipv6` to
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# force the listener to only use IPv6. If you want support for both IPv4 and
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# IPv6, then do not use the socket_domain option.
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#
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#socket_domain
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# Bind the listener to a specific interface. This is similar to
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# the [ip address/host name] part of the listener definition, but is useful
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# when an interface has multiple addresses or the address may change. If used
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# with the [ip address/host name] part of the listener definition, then the
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# bind_interface option will take priority.
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# Not available on Windows.
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#
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# Example: bind_interface eth0
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#bind_interface
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# When a listener is using the websockets protocol, it is possible to serve
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# http data as well. Set http_dir to a directory which contains the files you
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# wish to serve. If this option is not specified, then no normal http
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# connections will be possible.
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#http_dir
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# The maximum number of client connections to allow. This is
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# a per listener setting.
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# Default is -1, which means unlimited connections.
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# Note that other process limits mean that unlimited connections
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# are not really possible. Typically the default maximum number of
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# connections possible is around 1024.
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#max_connections -1
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# The listener can be restricted to operating within a topic hierarchy using
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# the mount_point option. This is achieved be prefixing the mount_point string
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# to all topics for any clients connected to this listener. This prefixing only
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# happens internally to the broker; the client will not see the prefix.
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#mount_point
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# Choose the protocol to use when listening.
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# This can be either mqtt or websockets.
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# Certificate based TLS may be used with websockets, except that only the
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# cafile, certfile, keyfile, ciphers, and ciphers_tls13 options are supported.
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#protocol mqtt
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# Set use_username_as_clientid to true to replace the clientid that a client
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# connected with with its username. This allows authentication to be tied to
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# the clientid, which means that it is possible to prevent one client
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# disconnecting another by using the same clientid.
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# If a client connects with no username it will be disconnected as not
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# authorised when this option is set to true.
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# Do not use in conjunction with clientid_prefixes.
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# See also use_identity_as_username.
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# This does not apply globally, but on a per-listener basis.
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#use_username_as_clientid
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# Change the websockets headers size. This is a global option, it is not
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# possible to set per listener. This option sets the size of the buffer used in
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# the libwebsockets library when reading HTTP headers. If you are passing large
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# header data such as cookies then you may need to increase this value. If left
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# unset, or set to 0, then the default of 1024 bytes will be used.
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#websockets_headers_size
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# -----------------------------------------------------------------
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# Certificate based SSL/TLS support
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# -----------------------------------------------------------------
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# The following options can be used to enable certificate based SSL/TLS support
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# for this listener. Note that the recommended port for MQTT over TLS is 8883,
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# but this must be set manually.
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#
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# See also the mosquitto-tls man page and the "Pre-shared-key based SSL/TLS
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# support" section. Only one of certificate or PSK encryption support can be
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# enabled for any listener.
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# Both of certfile and keyfile must be defined to enable certificate based
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# TLS encryption.
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# Path to the PEM encoded server certificate.
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#certfile
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# Path to the PEM encoded keyfile.
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#keyfile
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# If you wish to control which encryption ciphers are used, use the ciphers
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# option. The list of available ciphers can be optained using the "openssl
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# ciphers" command and should be provided in the same format as the output of
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# that command. This applies to TLS 1.2 and earlier versions only. Use
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# ciphers_tls1.3 for TLS v1.3.
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#ciphers
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# Choose which TLS v1.3 ciphersuites are used for this listener.
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# Defaults to "TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256"
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#ciphers_tls1.3
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# If you have require_certificate set to true, you can create a certificate
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# revocation list file to revoke access to particular client certificates. If
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# you have done this, use crlfile to point to the PEM encoded revocation file.
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#crlfile
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# To allow the use of ephemeral DH key exchange, which provides forward
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# security, the listener must load DH parameters. This can be specified with
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# the dhparamfile option. The dhparamfile can be generated with the command
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# e.g. "openssl dhparam -out dhparam.pem 2048"
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#dhparamfile
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# By default an TLS enabled listener will operate in a similar fashion to a
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# https enabled web server, in that the server has a certificate signed by a CA
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# and the client will verify that it is a trusted certificate. The overall aim
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# is encryption of the network traffic. By setting require_certificate to true,
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# the client must provide a valid certificate in order for the network
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# connection to proceed. This allows access to the broker to be controlled
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# outside of the mechanisms provided by MQTT.
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#require_certificate false
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# cafile and capath define methods of accessing the PEM encoded
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# Certificate Authority certificates that will be considered trusted when
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# checking incoming client certificates.
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# cafile defines the path to a file containing the CA certificates.
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# capath defines a directory that will be searched for files
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# containing the CA certificates. For capath to work correctly, the
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# certificate files must have ".crt" as the file ending and you must run
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# "openssl rehash <path to capath>" each time you add/remove a certificate.
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#cafile
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#capath
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# If require_certificate is true, you may set use_identity_as_username to true
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# to use the CN value from the client certificate as a username. If this is
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# true, the password_file option will not be used for this listener.
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#use_identity_as_username false
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# -----------------------------------------------------------------
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# Pre-shared-key based SSL/TLS support
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# -----------------------------------------------------------------
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# The following options can be used to enable PSK based SSL/TLS support for
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# this listener. Note that the recommended port for MQTT over TLS is 8883, but
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# this must be set manually.
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#
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# See also the mosquitto-tls man page and the "Certificate based SSL/TLS
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# support" section. Only one of certificate or PSK encryption support can be
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# enabled for any listener.
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# The psk_hint option enables pre-shared-key support for this listener and also
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# acts as an identifier for this listener. The hint is sent to clients and may
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# be used locally to aid authentication. The hint is a free form string that
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# doesn't have much meaning in itself, so feel free to be creative.
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# If this option is provided, see psk_file to define the pre-shared keys to be
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# used or create a security plugin to handle them.
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#psk_hint
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# When using PSK, the encryption ciphers used will be chosen from the list of
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# available PSK ciphers. If you want to control which ciphers are available,
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# use the "ciphers" option. The list of available ciphers can be optained
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# using the "openssl ciphers" command and should be provided in the same format
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# as the output of that command.
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#ciphers
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# Set use_identity_as_username to have the psk identity sent by the client used
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# as its username. Authentication will be carried out using the PSK rather than
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# the MQTT username/password and so password_file will not be used for this
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# listener.
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#use_identity_as_username false
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# =================================================================
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# Persistence
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# =================================================================
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# If persistence is enabled, save the in-memory database to disk
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# every autosave_interval seconds. If set to 0, the persistence
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# database will only be written when mosquitto exits. See also
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# autosave_on_changes.
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# Note that writing of the persistence database can be forced by
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# sending mosquitto a SIGUSR1 signal.
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#autosave_interval 1800
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# If true, mosquitto will count the number of subscription changes, retained
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# messages received and queued messages and if the total exceeds
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||||
# autosave_interval then the in-memory database will be saved to disk.
|
||||
# If false, mosquitto will save the in-memory database to disk by treating
|
||||
# autosave_interval as a time in seconds.
|
||||
#autosave_on_changes false
|
||||
|
||||
# Save persistent message data to disk (true/false).
|
||||
# This saves information about all messages, including
|
||||
# subscriptions, currently in-flight messages and retained
|
||||
# messages.
|
||||
# retained_persistence is a synonym for this option.
|
||||
#persistence false
|
||||
|
||||
# The filename to use for the persistent database, not including
|
||||
# the path.
|
||||
#persistence_file mosquitto.db
|
||||
|
||||
# Location for persistent database.
|
||||
# Default is an empty string (current directory).
|
||||
# Set to e.g. /var/lib/mosquitto if running as a proper service on Linux or
|
||||
# similar.
|
||||
#persistence_location
|
||||
|
||||
|
||||
# =================================================================
|
||||
# Logging
|
||||
# =================================================================
|
||||
|
||||
# Places to log to. Use multiple log_dest lines for multiple
|
||||
# logging destinations.
|
||||
# Possible destinations are: stdout stderr syslog topic file dlt
|
||||
#
|
||||
# stdout and stderr log to the console on the named output.
|
||||
#
|
||||
# syslog uses the userspace syslog facility which usually ends up
|
||||
# in /var/log/messages or similar.
|
||||
#
|
||||
# topic logs to the broker topic '$SYS/broker/log/<severity>',
|
||||
# where severity is one of D, E, W, N, I, M which are debug, error,
|
||||
# warning, notice, information and message. Message type severity is used by
|
||||
# the subscribe/unsubscribe log_types and publishes log messages to
|
||||
# $SYS/broker/log/M/susbcribe or $SYS/broker/log/M/unsubscribe.
|
||||
#
|
||||
# The file destination requires an additional parameter which is the file to be
|
||||
# logged to, e.g. "log_dest file /var/log/mosquitto.log". The file will be
|
||||
# closed and reopened when the broker receives a HUP signal. Only a single file
|
||||
# destination may be configured.
|
||||
#
|
||||
# The dlt destination is for the automotive `Diagnostic Log and Trace` tool.
|
||||
# This requires that Mosquitto has been compiled with DLT support.
|
||||
#
|
||||
# Note that if the broker is running as a Windows service it will default to
|
||||
# "log_dest none" and neither stdout nor stderr logging is available.
|
||||
# Use "log_dest none" if you wish to disable logging.
|
||||
#log_dest stderr
|
||||
|
||||
# Types of messages to log. Use multiple log_type lines for logging
|
||||
# multiple types of messages.
|
||||
# Possible types are: debug, error, warning, notice, information,
|
||||
# none, subscribe, unsubscribe, websockets, all.
|
||||
# Note that debug type messages are for decoding the incoming/outgoing
|
||||
# network packets. They are not logged in "topics".
|
||||
#log_type error
|
||||
#log_type warning
|
||||
#log_type notice
|
||||
#log_type information
|
||||
|
||||
|
||||
# If set to true, client connection and disconnection messages will be included
|
||||
# in the log.
|
||||
#connection_messages true
|
||||
|
||||
# If using syslog logging (not on Windows), messages will be logged to the
|
||||
# "daemon" facility by default. Use the log_facility option to choose which of
|
||||
# local0 to local7 to log to instead. The option value should be an integer
|
||||
# value, e.g. "log_facility 5" to use local5.
|
||||
#log_facility
|
||||
|
||||
# If set to true, add a timestamp value to each log message.
|
||||
#log_timestamp true
|
||||
|
||||
# Set the format of the log timestamp. If left unset, this is the number of
|
||||
# seconds since the Unix epoch.
|
||||
# This is a free text string which will be passed to the strftime function. To
|
||||
# get an ISO 8601 datetime, for example:
|
||||
# log_timestamp_format %Y-%m-%dT%H:%M:%S
|
||||
#log_timestamp_format
|
||||
|
||||
# Change the websockets logging level. This is a global option, it is not
|
||||
# possible to set per listener. This is an integer that is interpreted by
|
||||
# libwebsockets as a bit mask for its lws_log_levels enum. See the
|
||||
# libwebsockets documentation for more details. "log_type websockets" must also
|
||||
# be enabled.
|
||||
#websockets_log_level 0
|
||||
|
||||
|
||||
# =================================================================
|
||||
# Security
|
||||
# =================================================================
|
||||
|
||||
# If set, only clients that have a matching prefix on their
|
||||
# clientid will be allowed to connect to the broker. By default,
|
||||
# all clients may connect.
|
||||
# For example, setting "secure-" here would mean a client "secure-
|
||||
# client" could connect but another with clientid "mqtt" couldn't.
|
||||
#clientid_prefixes
|
||||
|
||||
# Boolean value that determines whether clients that connect
|
||||
# without providing a username are allowed to connect. If set to
|
||||
# false then a password file should be created (see the
|
||||
# password_file option) to control authenticated client access.
|
||||
#
|
||||
# Defaults to false, unless there are no listeners defined in the configuration
|
||||
# file, in which case it is set to true, but connections are only allowed from
|
||||
# the local machine.
|
||||
#allow_anonymous false
|
||||
|
||||
# -----------------------------------------------------------------
|
||||
# Default authentication and topic access control
|
||||
# -----------------------------------------------------------------
|
||||
|
||||
# Control access to the broker using a password file. This file can be
|
||||
# generated using the mosquitto_passwd utility. If TLS support is not compiled
|
||||
# into mosquitto (it is recommended that TLS support should be included) then
|
||||
# plain text passwords are used, in which case the file should be a text file
|
||||
# with lines in the format:
|
||||
# username:password
|
||||
# The password (and colon) may be omitted if desired, although this
|
||||
# offers very little in the way of security.
|
||||
#
|
||||
# See the TLS client require_certificate and use_identity_as_username options
|
||||
# for alternative authentication options. If a plugin is used as well as
|
||||
# password_file, the plugin check will be made first.
|
||||
#password_file
|
||||
|
||||
# Access may also be controlled using a pre-shared-key file. This requires
|
||||
# TLS-PSK support and a listener configured to use it. The file should be text
|
||||
# lines in the format:
|
||||
# identity:key
|
||||
# The key should be in hexadecimal format without a leading "0x".
|
||||
# If an plugin is used as well, the plugin check will be made first.
|
||||
#psk_file
|
||||
|
||||
# Control access to topics on the broker using an access control list
|
||||
# file. If this parameter is defined then only the topics listed will
|
||||
# have access.
|
||||
# If the first character of a line of the ACL file is a # it is treated as a
|
||||
# comment.
|
||||
# Topic access is added with lines of the format:
|
||||
#
|
||||
# topic [read|write|readwrite|deny] <topic>
|
||||
#
|
||||
# The access type is controlled using "read", "write", "readwrite" or "deny".
|
||||
# This parameter is optional (unless <topic> contains a space character) - if
|
||||
# not given then the access is read/write. <topic> can contain the + or #
|
||||
# wildcards as in subscriptions.
|
||||
#
|
||||
# The "deny" option can used to explicity deny access to a topic that would
|
||||
# otherwise be granted by a broader read/write/readwrite statement. Any "deny"
|
||||
# topics are handled before topics that grant read/write access.
|
||||
#
|
||||
# The first set of topics are applied to anonymous clients, assuming
|
||||
# allow_anonymous is true. User specific topic ACLs are added after a
|
||||
# user line as follows:
|
||||
#
|
||||
# user <username>
|
||||
#
|
||||
# The username referred to here is the same as in password_file. It is
|
||||
# not the clientid.
|
||||
#
|
||||
#
|
||||
# If is also possible to define ACLs based on pattern substitution within the
|
||||
# topic. The patterns available for substition are:
|
||||
#
|
||||
# %c to match the client id of the client
|
||||
# %u to match the username of the client
|
||||
#
|
||||
# The substitution pattern must be the only text for that level of hierarchy.
|
||||
#
|
||||
# The form is the same as for the topic keyword, but using pattern as the
|
||||
# keyword.
|
||||
# Pattern ACLs apply to all users even if the "user" keyword has previously
|
||||
# been given.
|
||||
#
|
||||
# If using bridges with usernames and ACLs, connection messages can be allowed
|
||||
# with the following pattern:
|
||||
# pattern write $SYS/broker/connection/%c/state
|
||||
#
|
||||
# pattern [read|write|readwrite] <topic>
|
||||
#
|
||||
# Example:
|
||||
#
|
||||
# pattern write sensor/%u/data
|
||||
#
|
||||
# If an plugin is used as well as acl_file, the plugin check will be
|
||||
# made first.
|
||||
#acl_file
|
||||
|
||||
# -----------------------------------------------------------------
|
||||
# External authentication and topic access plugin options
|
||||
# -----------------------------------------------------------------
|
||||
|
||||
# External authentication and access control can be supported with the
|
||||
# plugin option. This is a path to a loadable plugin. See also the
|
||||
# plugin_opt_* options described below.
|
||||
#
|
||||
# The plugin option can be specified multiple times to load multiple
|
||||
# plugins. The plugins will be processed in the order that they are specified
|
||||
# here. If the plugin option is specified alongside either of
|
||||
# password_file or acl_file then the plugin checks will be made first.
|
||||
#
|
||||
# If the per_listener_settings option is false, the plugin will be apply to all
|
||||
# listeners. If per_listener_settings is true, then the plugin will apply to
|
||||
# the current listener being defined only.
|
||||
#
|
||||
# This option is also available as `auth_plugin`, but this use is deprecated
|
||||
# and will be removed in the future.
|
||||
#
|
||||
#plugin
|
||||
|
||||
# If the plugin option above is used, define options to pass to the
|
||||
# plugin here as described by the plugin instructions. All options named
|
||||
# using the format plugin_opt_* will be passed to the plugin, for example:
|
||||
#
|
||||
# This option is also available as `auth_opt_*`, but this use is deprecated
|
||||
# and will be removed in the future.
|
||||
#
|
||||
# plugin_opt_db_host
|
||||
# plugin_opt_db_port
|
||||
# plugin_opt_db_username
|
||||
# plugin_opt_db_password
|
||||
|
||||
|
||||
# =================================================================
|
||||
# Bridges
|
||||
# =================================================================
|
||||
|
||||
# A bridge is a way of connecting multiple MQTT brokers together.
|
||||
# Create a new bridge using the "connection" option as described below. Set
|
||||
# options for the bridges using the remaining parameters. You must specify the
|
||||
# address and at least one topic to subscribe to.
|
||||
#
|
||||
# Each connection must have a unique name.
|
||||
#
|
||||
# The address line may have multiple host address and ports specified. See
|
||||
# below in the round_robin description for more details on bridge behaviour if
|
||||
# multiple addresses are used. Note that if you use an IPv6 address, then you
|
||||
# are required to specify a port.
|
||||
#
|
||||
# The direction that the topic will be shared can be chosen by
|
||||
# specifying out, in or both, where the default value is out.
|
||||
# The QoS level of the bridged communication can be specified with the next
|
||||
# topic option. The default QoS level is 0, to change the QoS the topic
|
||||
# direction must also be given.
|
||||
#
|
||||
# The local and remote prefix options allow a topic to be remapped when it is
|
||||
# bridged to/from the remote broker. This provides the ability to place a topic
|
||||
# tree in an appropriate location.
|
||||
#
|
||||
# For more details see the mosquitto.conf man page.
|
||||
#
|
||||
# Multiple topics can be specified per connection, but be careful
|
||||
# not to create any loops.
|
||||
#
|
||||
# If you are using bridges with cleansession set to false (the default), then
|
||||
# you may get unexpected behaviour from incoming topics if you change what
|
||||
# topics you are subscribing to. This is because the remote broker keeps the
|
||||
# subscription for the old topic. If you have this problem, connect your bridge
|
||||
# with cleansession set to true, then reconnect with cleansession set to false
|
||||
# as normal.
|
||||
#connection <name>
|
||||
#address <host>[:<port>] [<host>[:<port>]]
|
||||
#topic <topic> [[[out | in | both] qos-level] local-prefix remote-prefix]
|
||||
|
||||
# If you need to have the bridge connect over a particular network interface,
|
||||
# use bridge_bind_address to tell the bridge which local IP address the socket
|
||||
# should bind to, e.g. `bridge_bind_address 192.168.1.10`
|
||||
#bridge_bind_address
|
||||
|
||||
# If a bridge has topics that have "out" direction, the default behaviour is to
|
||||
# send an unsubscribe request to the remote broker on that topic. This means
|
||||
# that changing a topic direction from "in" to "out" will not keep receiving
|
||||
# incoming messages. Sending these unsubscribe requests is not always
|
||||
# desirable, setting bridge_attempt_unsubscribe to false will disable sending
|
||||
# the unsubscribe request.
|
||||
#bridge_attempt_unsubscribe true
|
||||
|
||||
# Set the version of the MQTT protocol to use with for this bridge. Can be one
|
||||
# of mqttv50, mqttv311 or mqttv31. Defaults to mqttv311.
|
||||
#bridge_protocol_version mqttv311
|
||||
|
||||
# Set the clean session variable for this bridge.
|
||||
# When set to true, when the bridge disconnects for any reason, all
|
||||
# messages and subscriptions will be cleaned up on the remote
|
||||
# broker. Note that with cleansession set to true, there may be a
|
||||
# significant amount of retained messages sent when the bridge
|
||||
# reconnects after losing its connection.
|
||||
# When set to false, the subscriptions and messages are kept on the
|
||||
# remote broker, and delivered when the bridge reconnects.
|
||||
#cleansession false
|
||||
|
||||
# Set the amount of time a bridge using the lazy start type must be idle before
|
||||
# it will be stopped. Defaults to 60 seconds.
|
||||
#idle_timeout 60
|
||||
|
||||
# Set the keepalive interval for this bridge connection, in
|
||||
# seconds.
|
||||
#keepalive_interval 60
|
||||
|
||||
# Set the clientid to use on the local broker. If not defined, this defaults to
|
||||
# 'local.<clientid>'. If you are bridging a broker to itself, it is important
|
||||
# that local_clientid and clientid do not match.
|
||||
#local_clientid
|
||||
|
||||
# If set to true, publish notification messages to the local and remote brokers
|
||||
# giving information about the state of the bridge connection. Retained
|
||||
# messages are published to the topic $SYS/broker/connection/<clientid>/state
|
||||
# unless the notification_topic option is used.
|
||||
# If the message is 1 then the connection is active, or 0 if the connection has
|
||||
# failed.
|
||||
# This uses the last will and testament feature.
|
||||
#notifications true
|
||||
|
||||
# Choose the topic on which notification messages for this bridge are
|
||||
# published. If not set, messages are published on the topic
|
||||
# $SYS/broker/connection/<clientid>/state
|
||||
#notification_topic
|
||||
|
||||
# Set the client id to use on the remote end of this bridge connection. If not
|
||||
# defined, this defaults to 'name.hostname' where name is the connection name
|
||||
# and hostname is the hostname of this computer.
|
||||
# This replaces the old "clientid" option to avoid confusion. "clientid"
|
||||
# remains valid for the time being.
|
||||
#remote_clientid
|
||||
|
||||
# Set the password to use when connecting to a broker that requires
|
||||
# authentication. This option is only used if remote_username is also set.
|
||||
# This replaces the old "password" option to avoid confusion. "password"
|
||||
# remains valid for the time being.
|
||||
#remote_password
|
||||
|
||||
# Set the username to use when connecting to a broker that requires
|
||||
# authentication.
|
||||
# This replaces the old "username" option to avoid confusion. "username"
|
||||
# remains valid for the time being.
|
||||
#remote_username
|
||||
|
||||
# Set the amount of time a bridge using the automatic start type will wait
|
||||
# until attempting to reconnect.
|
||||
# This option can be configured to use a constant delay time in seconds, or to
|
||||
# use a backoff mechanism based on "Decorrelated Jitter", which adds a degree
|
||||
# of randomness to when the restart occurs.
|
||||
#
|
||||
# Set a constant timeout of 20 seconds:
|
||||
# restart_timeout 20
|
||||
#
|
||||
# Set backoff with a base (start value) of 10 seconds and a cap (upper limit) of
|
||||
# 60 seconds:
|
||||
# restart_timeout 10 30
|
||||
#
|
||||
# Defaults to jitter with a base of 5 and cap of 30
|
||||
#restart_timeout 5 30
|
||||
|
||||
# If the bridge has more than one address given in the address/addresses
|
||||
# configuration, the round_robin option defines the behaviour of the bridge on
|
||||
# a failure of the bridge connection. If round_robin is false, the default
|
||||
# value, then the first address is treated as the main bridge connection. If
|
||||
# the connection fails, the other secondary addresses will be attempted in
|
||||
# turn. Whilst connected to a secondary bridge, the bridge will periodically
|
||||
# attempt to reconnect to the main bridge until successful.
|
||||
# If round_robin is true, then all addresses are treated as equals. If a
|
||||
# connection fails, the next address will be tried and if successful will
|
||||
# remain connected until it fails
|
||||
#round_robin false
|
||||
|
||||
# Set the start type of the bridge. This controls how the bridge starts and
|
||||
# can be one of three types: automatic, lazy and once. Note that RSMB provides
|
||||
# a fourth start type "manual" which isn't currently supported by mosquitto.
|
||||
#
|
||||
# "automatic" is the default start type and means that the bridge connection
|
||||
# will be started automatically when the broker starts and also restarted
|
||||
# after a short delay (30 seconds) if the connection fails.
|
||||
#
|
||||
# Bridges using the "lazy" start type will be started automatically when the
|
||||
# number of queued messages exceeds the number set with the "threshold"
|
||||
# parameter. It will be stopped automatically after the time set by the
|
||||
# "idle_timeout" parameter. Use this start type if you wish the connection to
|
||||
# only be active when it is needed.
|
||||
#
|
||||
# A bridge using the "once" start type will be started automatically when the
|
||||
# broker starts but will not be restarted if the connection fails.
|
||||
#start_type automatic
|
||||
|
||||
# Set the number of messages that need to be queued for a bridge with lazy
|
||||
# start type to be restarted. Defaults to 10 messages.
|
||||
# Must be less than max_queued_messages.
|
||||
#threshold 10
|
||||
|
||||
# If try_private is set to true, the bridge will attempt to indicate to the
|
||||
# remote broker that it is a bridge not an ordinary client. If successful, this
|
||||
# means that loop detection will be more effective and that retained messages
|
||||
# will be propagated correctly. Not all brokers support this feature so it may
|
||||
# be necessary to set try_private to false if your bridge does not connect
|
||||
# properly.
|
||||
#try_private true
|
||||
|
||||
# Some MQTT brokers do not allow retained messages. MQTT v5 gives a mechanism
|
||||
# for brokers to tell clients that they do not support retained messages, but
|
||||
# this is not possible for MQTT v3.1.1 or v3.1. If you need to bridge to a
|
||||
# v3.1.1 or v3.1 broker that does not support retained messages, set the
|
||||
# bridge_outgoing_retain option to false. This will remove the retain bit on
|
||||
# all outgoing messages to that bridge, regardless of any other setting.
|
||||
#bridge_outgoing_retain true
|
||||
|
||||
# If you wish to restrict the size of messages sent to a remote bridge, use the
|
||||
# bridge_max_packet_size option. This sets the maximum number of bytes for
|
||||
# the total message, including headers and payload.
|
||||
# Note that MQTT v5 brokers may provide their own maximum-packet-size property.
|
||||
# In this case, the smaller of the two limits will be used.
|
||||
# Set to 0 for "unlimited".
|
||||
#bridge_max_packet_size 0
|
||||
|
||||
|
||||
# -----------------------------------------------------------------
|
||||
# Certificate based SSL/TLS support
|
||||
# -----------------------------------------------------------------
|
||||
# Either bridge_cafile or bridge_capath must be defined to enable TLS support
|
||||
# for this bridge.
|
||||
# bridge_cafile defines the path to a file containing the
|
||||
# Certificate Authority certificates that have signed the remote broker
|
||||
# certificate.
|
||||
# bridge_capath defines a directory that will be searched for files containing
|
||||
# the CA certificates. For bridge_capath to work correctly, the certificate
|
||||
# files must have ".crt" as the file ending and you must run "openssl rehash
|
||||
# <path to capath>" each time you add/remove a certificate.
|
||||
#bridge_cafile
|
||||
#bridge_capath
|
||||
|
||||
|
||||
# If the remote broker has more than one protocol available on its port, e.g.
|
||||
# MQTT and WebSockets, then use bridge_alpn to configure which protocol is
|
||||
# requested. Note that WebSockets support for bridges is not yet available.
|
||||
#bridge_alpn
|
||||
|
||||
# When using certificate based encryption, bridge_insecure disables
|
||||
# verification of the server hostname in the server certificate. This can be
|
||||
# useful when testing initial server configurations, but makes it possible for
|
||||
# a malicious third party to impersonate your server through DNS spoofing, for
|
||||
# example. Use this option in testing only. If you need to resort to using this
|
||||
# option in a production environment, your setup is at fault and there is no
|
||||
# point using encryption.
|
||||
#bridge_insecure false
|
||||
|
||||
# Path to the PEM encoded client certificate, if required by the remote broker.
|
||||
#bridge_certfile
|
||||
|
||||
# Path to the PEM encoded client private key, if required by the remote broker.
|
||||
#bridge_keyfile
|
||||
|
||||
# -----------------------------------------------------------------
|
||||
# PSK based SSL/TLS support
|
||||
# -----------------------------------------------------------------
|
||||
# Pre-shared-key encryption provides an alternative to certificate based
|
||||
# encryption. A bridge can be configured to use PSK with the bridge_identity
|
||||
# and bridge_psk options. These are the client PSK identity, and pre-shared-key
|
||||
# in hexadecimal format with no "0x". Only one of certificate and PSK based
|
||||
# encryption can be used on one
|
||||
# bridge at once.
|
||||
#bridge_identity
|
||||
#bridge_psk
|
||||
|
||||
|
||||
# TLS
|
||||
# False for testing purposes
|
||||
require_certificate false
|
||||
certfile /mosquitto/certs/server.crt
|
||||
keyfile /mosquitto/certs/server.key
|
||||
cafile /mosquitto/certs/ca.crt
|
||||
# =================================================================
|
||||
# External config files
|
||||
# =================================================================
|
||||
|
||||
autosave_interval 1800
|
||||
# External configuration files may be included by using the
|
||||
# include_dir option. This defines a directory that will be searched
|
||||
# for config files. All files that end in '.conf' will be loaded as
|
||||
# a configuration file. It is best to have this as the last option
|
||||
# in the main file. This option will only be processed from the main
|
||||
# configuration file. The directory specified must not contain the
|
||||
# main configuration file.
|
||||
# Files within include_dir will be loaded sorted in case-sensitive
|
||||
# alphabetical order, with capital letters ordered first. If this option is
|
||||
# given multiple times, all of the files from the first instance will be
|
||||
# processed before the next instance. See the man page for examples.
|
||||
#include_dir
|
||||
|
||||
@ -0,0 +1,24 @@
|
||||
# https://mosquitto.org/man/mosquitto-conf-5.html
|
||||
allow_anonymous true
|
||||
password_file /etc/mosquitto/passwd
|
||||
|
||||
# TLS
|
||||
# False for testing purposes
|
||||
# require_certificate false
|
||||
# certfile /mosquitto/certs/server.crt
|
||||
# keyfile /mosquitto/certs/server.key
|
||||
# cafile /mosquitto/certs/ca.crt
|
||||
|
||||
autosave_interval 1800
|
||||
|
||||
# Logging
|
||||
log_type all
|
||||
log_dest stdout
|
||||
|
||||
listener 1883 0.0.0.0
|
||||
listener 9001 0.0.0.0
|
||||
protocol websockets
|
||||
persistence true
|
||||
|
||||
persistence_file mosquitto.db
|
||||
persistence_location /mosquitto/data/
|
||||
@ -1,13 +1,72 @@
|
||||
// package main
|
||||
|
||||
// import (
|
||||
// "flag"
|
||||
// "fmt"
|
||||
|
||||
// "git.runcible.io/learning/learn_mqtt_go/common"
|
||||
// )
|
||||
|
||||
// func main() {
|
||||
// flag.Parse()
|
||||
// fmt.Printf("MQTT Host: %s\nMQTT Port: %s\n", *common.BrokerHost, *common.BrokerPort)
|
||||
// }
|
||||
package main
|
||||
|
||||
import (
|
||||
"flag"
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"git.runcible.io/learning/learn_mqtt_go/common"
|
||||
mqtt "github.com/eclipse/paho.mqtt.golang"
|
||||
)
|
||||
|
||||
var messagePubHandler mqtt.MessageHandler = func(client mqtt.Client, msg mqtt.Message) {
|
||||
fmt.Printf("Received message: %s from topic: %s\n", msg.Payload(), msg.Topic())
|
||||
}
|
||||
|
||||
var connectHandler mqtt.OnConnectHandler = func(client mqtt.Client) {
|
||||
fmt.Println("Connected")
|
||||
}
|
||||
|
||||
var connectLostHandler mqtt.ConnectionLostHandler = func(client mqtt.Client, err error) {
|
||||
fmt.Printf("Connect lost: %v", err)
|
||||
}
|
||||
|
||||
func main() {
|
||||
flag.Parse()
|
||||
fmt.Printf("MQTT Host: %s\nMQTT Port: %s\n", *common.BrokerHost, *common.BrokerPort)
|
||||
var broker = "0.0.0.0"
|
||||
var port = 1883
|
||||
opts := mqtt.NewClientOptions()
|
||||
opts.AddBroker(fmt.Sprintf("tcp://%s:%d", broker, port))
|
||||
// opts.SetClientID("go_mqtt_client")
|
||||
opts.SetUsername("dirp")
|
||||
opts.SetPassword("dirp")
|
||||
opts.SetDefaultPublishHandler(messagePubHandler)
|
||||
opts.OnConnect = connectHandler
|
||||
opts.OnConnectionLost = connectLostHandler
|
||||
client := mqtt.NewClient(opts)
|
||||
if token := client.Connect(); token.Wait() && token.Error() != nil {
|
||||
panic(token.Error())
|
||||
}
|
||||
|
||||
sub(client)
|
||||
publish(client)
|
||||
|
||||
client.Disconnect(250)
|
||||
}
|
||||
|
||||
func publish(client mqtt.Client) {
|
||||
num := 10
|
||||
for i := 0; i < num; i++ {
|
||||
text := fmt.Sprintf("Message %d", i)
|
||||
token := client.Publish("topic/test", 0, false, text)
|
||||
token.Wait()
|
||||
time.Sleep(time.Second)
|
||||
}
|
||||
}
|
||||
|
||||
func sub(client mqtt.Client) {
|
||||
topic := "topic/test"
|
||||
token := client.Subscribe(topic, 1, nil)
|
||||
token.Wait()
|
||||
fmt.Printf("Subscribed to topic: %s", topic)
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue