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Work in progress moving SSB RPC handlers into javascript.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3657 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2021-09-06 17:50:38 +00:00
parent cfd5341a6b
commit cadcb236ee
9 changed files with 676 additions and 58 deletions
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85
core/ssb.js Normal file
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var g_wants_requests = {};
ssb.registerConnectionsChanged(function(change, connection) {
if (change == 'add') {
connection.send_json({'name': ['createHistoryStream'], 'type': 'source', 'args': [{'id': connection.id, 'seq': 0}]}, function(message) {
ssb.storeMessage(message.message);
});
connection.send_json({'name': ['blobs', 'createWants'], 'type': 'source', 'args': []}, function(message) {
Object.keys(message.message).forEach(function(id) {
if (message.message[id] < 0) {
var blob = ssb.blobGet(id);
if (blob) {
var out_message = {};
out_message[id] = blob.byteLength;
g_wants_requests[connection.id].send_json(out_message);
//connection.wants_request.send_json(out_message);
}
} else {
debug_print("blobs.get", id);
connection.send_json({'name': ['blobs', 'get'], 'type': 'source', 'args': [{'id': id}]}, function(message) {
debug_print(id, '=>', debug_utf8Decode(message.message));
ssb.blobStore(message.message);
});
}
});
});
} else if (change == 'remove') {
debug_print('REMOVE', connection.id);
delete g_wants_requests[connection.id];
} else {
debug_print('CHANGE', change);
}
});
ssb.registerRpc(['blobs', 'createWants'], function(request) {
g_wants_requests[request.connection.id] = request;
function blob_want_discovered(id) {
debug_print('discovered', id);
var message = {};
message[id] = -1;
request.send_json(message);
}
ssb.registerBlobWantAdded(blob_want_discovered);
ssb.sqlStream(
'SELECT id FROM blob_wants',
[],
row => blob_want_discovered(row.id));
});
ssb.registerRpc(['blobs', 'has'], function(request) {
var found = false;
ssb.sqlStream(
'SELECT 1 FROM blobs where id = ?1',
[request.args[0]],
function(row) {
found = true;
});
request.send_json(found);
});
ssb.registerRpc(['blobs', 'get'], function(request) {
var blob = ssb.blobGet(request.args[0].id);
request.send_binary(blob);
});
ssb.registerRpc(['createHistoryStream'], function(request) {
var id = request.args[0].id;
var seq = request.args[0].seq;
ssb.sqlStream(
'SELECT previous, sequence, timestamp, hash, content, signature FROM messages WHERE author = ?1 AND sequence >= ?2 ORDER BY sequence',
[id, seq ?? 0],
function(row) {
var message = {
'previous': row.previous,
'author': id,
'sequence': row.sequence,
'timestamp': row.timestamp,
'hash': row.hash,
'content': JSON.parse(row.content),
'signature': row.signature,
};
debug_print('sending1', JSON.stringify(message));
request.send_json(message);
});
});