Network Overview

Module Overview

We use a modular design, as shown in the following diagram:

• Insert Diagram

Message Server

API Server

The API server should present a consistent interface. The API server presents a RESTful interface as described in the API Specification.

Message Server

The message server acts as the main interface between the network and the cameras. It handles all communication to the cameras, along with all non-video communication from the cameras.

The protocol as it currently stands, is that the message server takes JSON message objects, separated by newlines.

Video Server

Data Storage

The data storage requirements for this project are can be abstracted into the following.

• Outgoing Messages
• Stages
• Message Store
• Videos
• Cameras

A storage API exists in db.js that requires to following major functions:

1. Store Message
2. Queue Message
3. Video Functions

Models

Camera

{
    name: camera_name
    lat: camera_latitude
    lng: camera_longitude
    lastMessage: datetime
    lastVideo: datetime
}