merge doc to wiki
Feng Lee
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doc/acl.md
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# ACL
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## Protocol
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Authentication of users and devices
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Authorization of access to Server resources
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An implementation may restrict access to Server resources based on information provided by the Client such as User Name, Client Identifier, the hostname/IP address of the Client, or the outcome of authentication mechanisms.
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Identify a MQTT User: Peername, ClientId, Username
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## Access Rule
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allow | deny Who subscribe | publish Topic | all
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allow {clientid, {regexp, "abcd"}} subscribe "anna"
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deny {clientid, "xxxx"} publish "#"
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allow {clientid, "abcd"} publish "#"
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allow {peername, "127.0.0.1"} subscribe "$SYS/#"
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allow {peername, "127.0.0.1"} subscribe all
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allow {clientid, "clientid"} subscribe "#"
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allow {clientid, {regexp, "abcd"}} publish "anna"
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allow all subscribe all
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deny all subscribe all
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allow all
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deny all
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# Broker Topics
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## Version
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$SYS/broker/version
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## Uptime
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$SYS/broker/uptime
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## Recevied and Sent
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$SYS/broker/bytes/received
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$SYS/broker/bytes/sent
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$SYS/broker/packets/received
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$SYS/broker/packets/sent
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$SYS/broker/messages/received
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$SYS/broker/messages/sent
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$SYS/broker/messages/retained
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$SYS/broker/messages/stored
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$SYS/broker/messages/dropped
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## Client Presence
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$SYS/broker/clients/connected
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$SYS/broker/clients/disconnected
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$SYS/broker/clients/${clientId}/presences/online
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$SYS/broker/clients/${clientId}presences/offline
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zookeeper
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eMQTT1 eMQTT2 eMQTT3
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Bridge
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eMQTT1 --> eMQTT2
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Cluster
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eMQTT1 <--> eMQTT2
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Cluster and Bridge
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eMQTT1 eMQTT3
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---->
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eMQTT2 eMQTT4
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Mnesia Cluster
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Before Width: | Height: | Size: 26 KiB After Width: | Height: | Size: 26 KiB |
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Before Width: | Height: | Size: 26 KiB After Width: | Height: | Size: 26 KiB |
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Before Width: | Height: | Size: 10 KiB After Width: | Height: | Size: 10 KiB |
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After Width: | Height: | Size: 45 KiB |
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After Width: | Height: | Size: 26 KiB |
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# PubSub
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## Qos
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PubQos | SubQos | In Message | Out Message
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-------|--------|------------|-------------
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0 | 0 | - | -
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0 | 1 | - | -
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0 | 2 | - | -
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1 | 0 | - | -
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1 | 1 | - | -
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1 | 2 | - | -
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2 | 0 | - | -
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2 | 1 | - | -
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2 | 2 | - | -
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## Publish
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## Performance
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Mac Air(11):
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Function | Time(microseconds)
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-------------|--------------------
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match | 6.25086
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triples | 13.86881
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words | 3.41177
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binary:split | 3.03776
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iMac:
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Function | Time(microseconds)
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-------------|--------------------
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match | 3.2348
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triples | 6.93524
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words | 1.89616
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binary:split | 1.65243
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