HttpQuery - Documentation

Description:

Low-level HTTP POST query interface with the server service.
- This is the client side of a simple client/server service mechanism.

Name	Type	Description
`url`	string	The server URL, including the service port.

Description:

Name Type Attributes Default Description

Name	Type	Attributes	Default	Description
`query`	string			The server query as a string, of the form `name=value&...`.
`callback`	callback	<optional>	`function(value){}`	The callback that handles the query return value. Runs the `callback(value: string)` function with the query answer. If the server is not running, a JavaScript alert is raised to ask the user to run it. If the query is invalid or not implemented, the callback value is the empty string, without any further information.
`timeout`	unit			The query timeout in millisecond, 0 means no timeout. When timeout is triggered the callback is called with the `{ "timeout": true }` value. Timeout is not considered as an error.

query

string

The server query as a string, of the form name=value&....

callback

callback

function(value){}

The callback that handles the query return value.

Runs the callback(value: string) function with the query answer.
If the server is not running, a JavaScript alert is raised to ask the user to run it.
If the query is invalid or not implemented, the callback value is the empty string, without any further information.

timeout

unit

The query timeout in millisecond, 0 means no timeout.

When timeout is triggered the callback is called with the { "timeout": true } value.
Timeout is not considered as an error.