Feature Support for PubNub Rust SDK
Access Manager
PubNub provides builtin enterprise-grade security with fine-grained access control to all of your PubNub applications with Access Manager, Message Layer encryption with AES256, and Transport Layer Security with TLS and SSL.
| Name | Description |
|---|---|
| Grant Token | The SDK supports Grant Token. |
| Parse Token | The SDK supports Parse Token. |
| Set Token | The SDK supports Set Token. |
Publish
Publish a message on a channel.
| Name | Description |
|---|---|
| Store Flag | Ability to skip message from storage. |
| Publish RAW JSON | Publish JSON as is. |
| Publish with Metadata | Publish extra meta with the request used for Message Filtering. |
| Publish using GET | Publish using HTTP GET. |
| Publish using POST | Publish using HTTP POST. |
| Publish Asynchronously | Publish the message asynchronously. |
| Replication Flag | Controls whether the message should be replicated across stores. |
| TTL per published message | Offer the ability to set a per message time to live in storage. |
Subscribe
This function causes the client to create an open TCP socket to the PubNub Real-Time Network and begin listening for messages on a specified channel.
| Name | Description |
|---|---|
| Subscribe to channels | Ability to subscribe to channels. |
| Subscribe to channel groups | Ability to subscribe to channel groups. |
| Subscribe to presence channels | Ability to subscribe to presence channels. |
| Subscribe to presence channel groups | Ability to subscribe to presence channel groups. |
| Subscribe with timetoken | Subscribe with timetoken. |
| Filter Expression | Stream Filter allows a subscriber to apply a filter to only receive messages that satisfy the conditions of the filter. The message filter is set by the subscribing client(s) but it is applied on the server side thus preventing unwanted messages (those that do not meet the conditions of the filter) from reaching the subscriber. |
| Publisher UUID | Has the publisher UUID of the published message. |
| PubSub v2 compatibility | Uses PubSub v2 to make subscribe calls. |
| Signal Listener | Has support to listen to Signal messages. |
| App Context API Membership events listener | Has support to listen to Membership Events from App Context API. |
| App Context API Channel events listener | Has support to listen to Channel Events from App Context API. |
| App Context API UUID events listener | Has support to listen to UUID Events from App Context API. |
| Message Actions events listener | Has support to listen to Action Events from Message Reactions API. |
| Files Events Listener | Has support to listen to Files Events from File Sharing API. |
Presence
PubNub's Channel Presence empowers your applications to Track online and offline status of users and devices in realtime.
| Name | Description |
|---|---|
| Here Now | Obtain information about the current state of a channel including a list of unique user IDs currently subscribed to the channel and the total occupancy count of the channel. |
| Where Now | Obtain information about the current list of a channels to which a UUID is subscribed. |
| Set State | Set state is used to set key/value pairs specific to a subscriber UUID. |
| Get State | Get state is used to get the key/value pairs specific to a subscriber UUID. |
| Heartbeat | Timeout events are triggered when the server does not hear a heartbeat from the client within a default timeout time of 280 seconds. |
| Presence Delta Intervals | After a certain amount of occupants on a channel, the presence service stops sending individual join and leave events and instead starts sending interval notifications of people that join or leave. The amount at which delta kicks in is configurable on the admin panel. |