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createHistoryStream JS -> C.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4110 ed5197a5-7fde-0310-b194-c3ffbd925b24
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Cory McWilliams
2023-01-08 17:45:15 +00:00
parent 6ff33191bb
commit 53e4f4341c
6 changed files with 216 additions and 52 deletions
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54
core/ssb.js
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@ -1,5 +1,4 @@
"use strict";
var g_wants_requests = {};
var g_database = new Database('core');
const k_use_create_history_stream = false;
@ -29,25 +28,19 @@ ssb.addEventListener('connections', function on_connections_changed(change, conn
if (k_use_create_history_stream) {
connection.send_json({'name': ['createHistoryStream'], 'type': 'source', 'args': [{'id': connection.id, 'seq': sequence, 'live': true, 'keys': false}]}, storeMessage);
var identities = ssb.getAllIdentities();
ssb.followingDeep(identities, 2).then(function(ids) {
for (let id of ids) {
if (identities.indexOf(id) != -1) {
continue;
}
var sequence = get_latest_sequence_for_author(id);
connection.send_json({'name': ['createHistoryStream'], 'type': 'source', 'args': [{'id': id, 'seq': sequence, 'live': true, 'keys': false}]}, storeMessage);
let ids = ssb.followingDeep(identities, 2);
for (let id of ids) {
if (identities.indexOf(id) != -1) {
continue;
}
});
var sequence = get_latest_sequence_for_author(id);
connection.send_json({'name': ['createHistoryStream'], 'type': 'source', 'args': [{'id': id, 'seq': sequence, 'live': true, 'keys': false}]}, storeMessage);
}
} else {
if (connection.is_client) {
connection.send_json({"name": ["ebt", "replicate"], "args": [{"version": 3, "format": "classic"}], "type": "duplex"}, ebtReplicateClient);
}
}
} else if (change == 'remove') {
print('REMOVE', connection.id);
delete g_wants_requests[connection.id];
} else {
print('CHANGE', change);
}
});
@ -169,36 +162,3 @@ function ebtReplicateServer(request) {
}
ssb.addRpc(['ebt', 'replicate'], ebtReplicateServer);
ssb.addRpc(['createHistoryStream'], function(request) {
if (!request?.args) {
print('missing request.args in createHistoryStream');
}
var id = request.args[0].id;
var seq = request.args[0].seq;
var keys = request.args[0].keys || request.args[0].keys === undefined;
function sendMessage(row) {
if (keys) {
var message = {
key: row.id,
value: formatMessage(row),
timestamp: row.timestamp,
};
} else {
var message = formatMessage(row);
}
request.send_json(message);
}
ssb.sqlStream(
'SELECT previous, author, id, sequence, timestamp, hash, content, signature, sequence_before_author FROM messages WHERE author = ?1 AND sequence >= ?2 ORDER BY sequence',
[id, seq ?? 0],
sendMessage);
ssb.addEventListener('message', function(message_id) {
ssb.sqlStream(
'SELECT previous, author, id, sequence, timestamp, hash, content, signature, sequence_before_author FROM messages WHERE id = ?1 AND author = ?2',
[message_id, id],
function (row) {
sendMessage(row);
});
});
});