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:- module(ex1,
[ connect/1
]).
:- use_module(user:library(stomp)). % make available on toplevel
:- use_module(library(stomp)).
/** <module> Simple STOMP example
This file allows some simple interaction with STOMP. For example:
```
swipl ex1.pl
?- connect(C).
C = 'a09b8dea-de39-11eb-8887-cbf5d67759f6'.
?- stomp_send($C, '/queue/test', _{}, "hello").
X = 'a09b8dea-de39-11eb-8887-cbf5d67759f6'.
26 ?- Received "hello"
```
@license This code is in the public domain
*/
% :- debug(stomp(_)).
% :- debug(ex1).
connect(Connection) :-
stomp_connection('127.0.0.1':32772,
'/',
_{'heart-beat': '5000,5000',
login: guest,
passcode: guest
},
on_frame, Connection),
stomp_connect(Connection).
:- det((on_frame/4)).
on_frame(connected, Connection, _Header, _Body) =>
Destination = '/queue/test',
stomp_subscribe(Connection, Destination, 0, _{}).
on_frame(message, Connection, Header, Body) =>
debug(ex1, 'message from connection ~p~n~p~n~p',
[Connection, Header, Body]),
format('Received ~p~n', [Body]).
on_frame(disconnected, Connection, _Header, _Body) =>
debug(ex1, 'on_disconnected from connection ~p', [Connection]),
stomp_teardown(Connection).
on_frame(error, Connection, Header, Body) =>
debug(ex1, 'on_error from connection ~p~n~p~n~p',
[Connection, Header, Body]).
on_frame(heartbeat_timeout, Connection, _Header, _Body) =>
debug(ex1, 'on_heartbeat_timeout from connection ~p', [Connection]),
stomp_teardown(Connection).
on_frame(Event, Connection, _Header, _Body) =>
debug(ex1, 'Unknown event ~p on connection ~p',
[Event, Connection]).
|
