cory/tildefriends
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Some ebt.replicate success.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3703 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2021-12-27 19:52:42 +00:00
parent efcada8e25
commit 3cddc524d1
3 changed files with 128 additions and 29 deletions
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143
core/ssb.js
View File

@ -1,15 +1,16 @@
var g_wants_requests = {};
var g_database = new Database('core');
const k_use_create_history_stream = false;
async function following(db, id) {
var o = await db.get(id + ":following");
function following(db, id) {
var o = db.get(id + ":following");
const k_version = 5;
var f = o ? JSON.parse(o) : o;
if (!f || f.version != k_version) {
f = {users: [], sequence: 0, version: k_version};
}
f.users = new Set(f.users);
await ssb.sqlStream(
ssb.sqlStream(
"SELECT "+
" sequence, "+
" json_extract(content, '$.contact') AS contact, "+
@ -33,18 +34,18 @@ async function following(db, id) {
f.users = Array.from(f.users);
var j = JSON.stringify(f);
if (o != j) {
await db.set(id + ":following", j);
db.set(id + ":following", j);
}
return f.users;
}
async function followingDeep(db, seed_ids, depth) {
function followingDeep(db, seed_ids, depth) {
if (depth <= 0) {
return seed_ids;
}
var f = await Promise.all(seed_ids.map(x => following(db, x)));
var f = seed_ids.map(x => following(db, x));
var ids = [].concat(...f);
var x = await followingDeep(db, [...new Set(ids)].sort(), depth - 1);
var x = followingDeep(db, [...new Set(ids)].sort(), depth - 1);
x = [...new Set([].concat(...x, ...seed_ids))].sort();
return x;
}
@ -56,7 +57,7 @@ function get_latest_sequence_for_author(author) {
[author],
function(row) {
if (row.sequence) {
sequence = row.sequence + 1;
sequence = row.sequence;
}
});
return sequence;
@ -72,7 +73,23 @@ function storeMessage(message) {
ssb.addEventListener('connections', function(change, connection) {
if (change == 'add') {
var sequence = get_latest_sequence_for_author(connection.id);
connection.send_json({'name': ['createHistoryStream'], 'type': 'source', 'args': [{'id': connection.id, 'seq': sequence, 'live': true, 'keys': false}]}, storeMessage);
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 me = ssb.whoami();
followingDeep(g_database, [me], 2).then(function(ids) {
for (let id of ids) {
if (id == me) {
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);
}
}
connection.send_json({'name': ['blobs', 'createWants'], 'type': 'source', 'args': []}, function(message) {
Object.keys(message.message).forEach(function(id) {
if (message.message[id] < 0) {
@ -83,7 +100,6 @@ ssb.addEventListener('connections', function(change, connection) {
g_wants_requests[connection.id].send_json(out_message);
}
} else {
print("blobs.get", id);
var received_bytes = 0;
var expected_bytes = message.message[id];
var buffer = new Uint8Array(expected_bytes);
@ -97,16 +113,6 @@ ssb.addEventListener('connections', function(change, connection) {
}
});
});
var me = ssb.whoami();
followingDeep(g_database, [me], 2).then(function(ids) {
for (let id of ids) {
if (id == me) {
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 (change == 'remove') {
print('REMOVE', connection.id);
delete g_wants_requests[connection.id];
@ -149,10 +155,97 @@ ssb.addRpc(['blobs', 'get'], function(request) {
ssb.addRpc(['gossip', 'ping'], function(request) {
request.more(function(message) {
message.send_json(message.message);
message.send_json(Date.now());
});
});
ssb.addRpc(['tunnel', 'isRoom'], function(request) {
request.send_json(false);
});
function ebtReplicateSendClock(request, have) {
var me = ssb.whoami();
var message = {};
var ids = followingDeep(g_database, [me], 2).concat([request.connection.id]).concat(Object.keys(have));
for (let id of ids) {
message[id] = get_latest_sequence_for_author(id);
}
var last_sent = request.connection.sent_clock || {};
var to_send = {}
for (let id of ids) {
if (last_sent[id] === undefined || message[id] > last_sent[id]) {
last_sent[id] = to_send[id] = message[id] === -1 ? -1 : message[id] << 1;
}
}
request.connection.sent_clock = last_sent;
if (Object.keys(to_send).length) {
request.send_json(to_send);
}
}
function formatMessage(row) {
var message = {
previous: row.previous,
author: row.author,
sequence: row.sequence,
timestamp: row.timestamp,
hash: row.hash,
content: JSON.parse(row.content),
signature: row.signature,
};
return message;
}
function ebtReplicateRegisterMessageCallback(request) {
var me = ssb.whoami();
ssb.addEventListener('message', function(message_id) {
ssb.sqlStream(
'SELECT previous, author, id, sequence, timestamp, hash, content, signature FROM messages WHERE id = ?1 AND author = ?2',
[message_id, me],
function (row) {
request.send_json(formatMessage(row));
});
});
}
function ebtReplicateCommon(request) {
var me = ssb.whoami();
if (request.message.author) {
storeMessage(request);
} else {
ebtReplicateSendClock(request, request.message);
for (let id of Object.keys(request.message)) {
if (request.message[id] >= 0 && (request.message[id] & 1) == 0) {
ssb.sqlStream(
'SELECT previous, author, id, sequence, timestamp, hash, content, signature FROM messages WHERE author = ?1 AND sequence >= ?2 ORDER BY sequence',
[id, request.message[id] >> 1],
function (row) {
request.send_json(formatMessage(row));
});
}
}
}
}
function ebtReplicateClient(request) {
if (!request.connection.message_registered) {
ebtReplicateRegisterMessageCallback(request);
request.connection.message_registered = true;
}
ebtReplicateCommon(request);
}
function ebtReplicateServer(request) {
ebtReplicateRegisterMessageCallback(request);
ebtReplicateSendClock(request, {});
request.more(ebtReplicateCommon);
}
ssb.addRpc(['ebt', 'replicate'], ebtReplicateServer);
ssb.addRpc(['createHistoryStream'], function(request) {
var id = request.args[0].id;
var seq = request.args[0].seq;
@ -191,12 +284,10 @@ ssb.addRpc(['createHistoryStream'], function(request) {
sendMessage);
ssb.addEventListener('message', function(message_id) {
ssb.sqlStream(
'SELECT previous, author, id, sequence, timestamp, hash, content, signature FROM messages WHERE id = ?1',
[message_id],
'SELECT previous, author, id, sequence, timestamp, hash, content, signature FROM messages WHERE id = ?1 AND author = ?2',
[message_id, id],
function (row) {
if (row.author == id) {
sendMessage(row);
}
sendMessage(row);
});
});
});

7
src/ssb.c
View File

@ -408,6 +408,7 @@ void tf_ssb_connection_add_request(tf_ssb_connection_t* connection, int32_t requ
{
if (_tf_ssb_connection_get_request_callback(connection, request_number, NULL, NULL))
{
/* TODO: This leaks the callback. */
return;
}
tf_ssb_request_t* request = malloc(sizeof(tf_ssb_request_t));
@ -661,6 +662,7 @@ static void _tf_ssb_connection_verify_identity(tf_ssb_connection_t* connection,
JSContext* context = connection->ssb->context;
JS_SetPropertyStr(context, connection->object, "id", JS_NewString(context, fullid));
JS_SetPropertyStr(context, connection->object, "is_client", JS_TRUE);
connection->state = k_tf_ssb_state_verified;
_tf_ssb_notify_connections_changed(connection->ssb, k_tf_ssb_change_connect, connection);
@ -866,6 +868,7 @@ static void _tf_ssb_connection_verify_client_identity(tf_ssb_connection_t* conne
JSContext* context = connection->ssb->context;
JS_SetPropertyStr(context, connection->object, "id", JS_NewString(context, fullid));
JS_SetPropertyStr(context, connection->object, "is_client", JS_FALSE);
connection->state = k_tf_ssb_state_server_verified;
_tf_ssb_notify_connections_changed(connection->ssb, k_tf_ssb_change_connect, connection);
@ -967,7 +970,7 @@ static void _tf_ssb_connection_rpc_recv(tf_ssb_connection_t* connection, uint8_t
}
else
{
const char* k_unsupported = "{\"message\": \"unsupported message\", \"name\": \"Error\", \"stack\": \"none\"}";
const char* k_unsupported = "{\"message\": \"method: is not in list of allowed methods\", \"name\": \"Error\", \"stack\": \"none\"}";
tf_ssb_connection_rpc_send(connection, k_ssb_rpc_flag_json | k_ssb_rpc_flag_end_error | (flags & k_ssb_rpc_flag_stream), -request_number,
(const uint8_t*)k_unsupported, strlen(k_unsupported), NULL, NULL);
}
@ -1322,7 +1325,6 @@ static void _tf_ssb_connection_on_connect(uv_connect_t* connect, int status)
connect->data = NULL;
if (status == 0)
{
printf("on connect\n");
connection->state = k_tf_ssb_state_connected;
uv_read_start(connect->handle, _tf_ssb_connection_on_tcp_alloc, _tf_ssb_connection_on_tcp_recv);
_tf_ssb_connection_client_send_hello(connect->handle);
@ -1812,6 +1814,7 @@ tf_ssb_connection_t* tf_ssb_connection_create(tf_ssb_t* ssb, const char* host, c
if (tf_ssb_id_bin_to_str(public_key_str, sizeof(public_key_str), public_key))
{
JS_SetPropertyStr(context, connection->object, "id", JS_NewString(context, public_key_str));
JS_SetPropertyStr(context, connection->object, "is_client", JS_TRUE);
}
JS_SetOpaque(connection->object, connection);

7
src/ssb.js.c
View File

@ -352,13 +352,18 @@ static JSValue _tf_ssb_rpc_send_json(JSContext* context, JSValueConst this_val,
JS_ToInt32(context, &request_number, request_val);
JS_FreeValue(context, request_val);
JSValue flags_val = JS_GetPropertyStr(context, this_val, "flags");
int32_t flags_number;
JS_ToInt32(context, &flags_number, flags_val);
JS_FreeValue(context, flags_val);
JSValue message_val = JS_JSONStringify(context, argv[0], JS_NULL, JS_NULL);
size_t size;
const char* message = JS_ToCStringLen(context, &size, message_val);
tf_ssb_connection_rpc_send(
connection,
k_ssb_rpc_flag_json | k_ssb_rpc_flag_stream,
k_ssb_rpc_flag_json | (flags_number & ~k_ssb_rpc_mask_type),
-request_number,
(const uint8_t*)message,
size,