Programming Guide

This guide covers programming WAMP applications with Crossbar.io.

Programming WAMP application components is tied to the particular client library you’re using. The Autobahn family of WAMP client libraries is provided by us.

Usage

• Starting and Stopping Crossbar.io
  • Starting Crossbar.io from a startup script
  • Starting Crossbar.io from within your application
  • Starting you application from Crossbar.io
  • Starting Crossbar.io externally
• Startup and Shutdown Behavior
• Configuring Crossbar.io Logging
  • Formats
  • Levels
  • Logging to a file
  • Adding logging to your components

General

• URI Format
  • URI format rules
• Logging in Crossbar.io
  • Twisted Logger
  • Writing Components that use Logger
  • Configuring the Crossbar logger
• Error Handling
  • Serialization Errors
• Session Meta Events and Procedures
  • Events
  • Procedures
  • Working Example
• Session Statistics
  • Example
  • Configuration
  • Monitoring statistics events
• Development with External Devices
  • Method 1
  • Method 2

Publish and Subscribe

• How Subscriptions Work
• Next
• Basic Subscriptions
• Subscriber Black- and Whitelisting
  • Use Cases
  • Subscriber Blacklisting
  • Subscriber Whitelisting
  • Getting Session IDs
• Publisher Exclusion
  • Why is this the default?
• Publisher Identification
  • In the Crossbar.io Config
  • From a Dynamic Authorizer
• Pattern Based Subscriptions
  • Use cases for Pattern-Based Subscriptions
  • Prefix Matching
  • Wildcard Matching
  • Exact matching
  • Multiple Matching Subscriptions
  • No Set-Based Subscription Logic
  • Equivalent notations
  • Working Example
• Subscription Meta Events and Procedures
  • Use cases for subscription meta events and procedures
  • Events
  • Procedures
  • Working Example
  • Event History
• Event History
  • Configuration in Crossbar.io
  • Required Client Permissions
  • Calling to Get the Events
• Retained Events
• Retrieving an Event
• Example

Remote Procedure Calls

• How Registrations Work
• Basic Registrations
  • Returning a Promise
• Caller Identification
  • In the Crossbar.io Config
  • From a Dynamic Authorizer
• Progressive Call Results
• Pattern-Based Registrations
  • Use cases for Pattern-Based Registrations
  • Prefix Matching
  • Wildcard Matching
  • Exact matching
  • No Set-Based Registration Logic
  • Conflict resolution
  • Hierarchy of Matching Policies
  • Longest Prefix Match Wins
  • Wildcard Matches
  • Working Example
• Shared Registrations
  • Use cases for Shared Registrations
  • Basics of Invocation Rules
  • Load Balancing
  • High Availability
  • Default
• Registration Meta-Events and Procedures
  • Use cases for registration meta-events and procedures
  • Events
  • Procedures
  • Working Example

Security

• End-to-end Encryption
  • Summary
  • Background
  • WAMP Payload Encryption
• cryptobox
• Cryptobox Payload Encryption
  • Basics
  • Disadvantages
  • Examples

Integration Examples

• Adding Real-Time to Django Applications
• First steps
• The HTML
• Client monitoring
• Crossbar.io
• AngularJS Application Components
• Minimal Example
• Database Programming with PostgreSQL
  • Drivers
  • Asyncio
  • Twisted
• Frameworks
  • Angular
  • Ember
  • Dojo
  • Backbone
  • Polymer
  • Kendo
  • Meteor
• Libraries
  • Knockout
• UI frameworks
  • Bootstrap
  • jQuery Mobile
  • React

See also:

• Programming with Autobahn|Python

• Programming with Autobahn|JavaScript