Browse Source

man poc

master
zeus 3 years ago
parent
commit
5245ad83a2
  1. 51
      poc-datacollector/modules/ROOT/pages/doc-readmongo_service.adoc

51
poc-datacollector/modules/ROOT/pages/doc-readmongo_service.adoc

@ -42,6 +42,57 @@ async function onCollectionNew(err, collection) {
----
var cursor = collection.find({}, options).stream();
A Tailable Cursor *remains open* after the client exhausts the results in the initial cursor.
Tailable cursors are conceptually equivalent to the *tail* Unix command with the *-f* option (i.e. with "follow" mode).
After clients insert new additional documents into a capped collection, the tailable cursor will continue to retrieve documents.
=== socket (open,event)
[source,javascript]
----
io.on("connection", (s) => {
console.error("socket connection");
var usersession = new Object();
usersession.SOCKET = {};
usersession.SOCKET.error = {};
console.error("socket ...");
s.auth = false;
// ------------------------------
// --- authenticate
// ------------------------------
s.on("authenticate", function (data) {
const token = data;
(async () => {
var isvalid = await checkToken(token);
if (isvalid.action == "ok") {
usersession.SOCKET.user = isvalid.user;
usersession.SOCKET.scope = isvalid.scope; // space delimeter
usersession.SOCKET.token = isvalid.token;
usersession.SOCKET.id = s.id;
s.auth = true;
} else {
s.auth = false;
}
})();
});
// ------------------------------
// --- event
// ------------------------------
s.on("onevent", function (data) {
var binddata = {
user: data,
id: s.id,
};
----
=== restart

Loading…
Cancel
Save