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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
This commit is contained in:
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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73
src/ssb.rpc.c
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@ -678,6 +678,78 @@ static void _tf_ssb_rpc_connection_tunnel_isRoom_callback(tf_ssb_connection_t* c
}
}
static void _tf_ssb_rpc_createHistoryStream(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data)
{
tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
JSContext* context = tf_ssb_get_context(ssb);
JSValue arg_array = JS_GetPropertyStr(context, args, "args");
JSValue arg = JS_GetPropertyUint32(context, arg_array, 0);
if (JS_IsUndefined(arg))
{
tf_ssb_connection_rpc_send_error(connection, flags, -request_number, "Missing request.args in createHistoryStream.");
}
JSValue id = JS_GetPropertyStr(context, arg, "id");
JSValue seq = JS_GetPropertyStr(context, arg, "seq");
JSValue keys = JS_GetPropertyStr(context, arg, "keys");
JSValue live = JS_GetPropertyStr(context, arg, "live");
bool is_keys = JS_IsUndefined(keys) || JS_ToBool(context, keys) > 0;
bool is_live = JS_ToBool(context, live) > 0;
int64_t sequence = 0;
JS_ToInt64(context, &sequence, seq);
const char* author = JS_ToCString(context, id);
sqlite3* db = tf_ssb_get_db(ssb);
sqlite3_stmt* statement;
if (sqlite3_prepare(db, "SELECT previous, author, id, sequence, timestamp, hash, content, signature, sequence_before_author FROM messages WHERE author = ?1 AND sequence >= ?2 ORDER BY sequence", -1, &statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, author, -1, NULL) == SQLITE_OK &&
sqlite3_bind_int64(statement, 2, sequence) == SQLITE_OK)
{
while (sqlite3_step(statement) == SQLITE_ROW)
{
JSValue message = JS_UNDEFINED;
JSValue formatted = tf_ssb_format_message(
context,
(const char*)sqlite3_column_text(statement, 0),
(const char*)sqlite3_column_text(statement, 1),
sqlite3_column_int64(statement, 3),
sqlite3_column_double(statement, 4),
(const char*)sqlite3_column_text(statement, 5),
(const char*)sqlite3_column_text(statement, 6),
(const char*)sqlite3_column_text(statement, 7),
sqlite3_column_int(statement, 8));
if (is_keys)
{
message = JS_NewObject(context);
JS_SetPropertyStr(context, message, "key", JS_NewString(context, (const char*)sqlite3_column_text(statement, 2)));
JS_SetPropertyStr(context, message, "value", formatted);
JS_SetPropertyStr(context, message, "timestamp", JS_NewString(context, (const char*)sqlite3_column_text(statement, 4)));
}
else
{
message = formatted;
}
tf_ssb_connection_rpc_send_json(connection, flags, -request_number, message, NULL, NULL, NULL);
JS_FreeValue(context, message);
}
}
sqlite3_finalize(statement);
}
if (is_live)
{
tf_ssb_connection_add_new_message_request(connection, author, -request_number, is_keys);
}
JS_FreeCString(context, author);
JS_FreeValue(context, id);
JS_FreeValue(context, seq);
JS_FreeValue(context, keys);
JS_FreeValue(context, arg);
JS_FreeValue(context, arg_array);
}
static void _tf_ssb_rpc_connections_changed_callback(tf_ssb_t* ssb, tf_ssb_change_t change, tf_ssb_connection_t* connection, void* user_data)
{
JSContext* context = tf_ssb_get_context(ssb);
@ -760,4 +832,5 @@ void tf_ssb_rpc_register(tf_ssb_t* ssb)
tf_ssb_add_rpc_callback(ssb, (const char*[]) { "tunnel", "connect", NULL }, _tf_ssb_rpc_tunnel_connect, NULL, NULL);
tf_ssb_add_rpc_callback(ssb, (const char*[]) { "tunnel", "isRoom", NULL }, _tf_ssb_rpc_tunnel_is_room, NULL, NULL);
tf_ssb_add_rpc_callback(ssb, (const char*[]) { "room", "attendants", NULL }, _tf_ssb_rpc_room_attendants, NULL, NULL);
tf_ssb_add_rpc_callback(ssb, (const char*[]) { "createHistoryStream", NULL }, _tf_ssb_rpc_createHistoryStream, NULL, NULL);
}