import { type Connection } from "https://deno.land/x/smoldot@light-js-deno-v0.7.9/instance/bindings-smoldot-light.d.ts";
Connection to a remote node.
At any time, a connection can be in one of the three following states:
Opening
(initial state)Open
Reset
When in the Opening
or Open
state, the connection can transition to the Reset
state
if the remote closes the connection or refuses the connection altogether. When that
happens, config.onReset
is called. Once in the Reset
state, the connection cannot
transition back to another state.
Initially in the Opening
state, the connection can transition to the Open
state if the
remote accepts the connection. When that happens, config.onOpen
is called.
When in the Open
state, the connection can receive messages. When a message is received,
config.onMessage
is called.
Methods
Transitions the connection or one of its substreams to the Reset
state.
If the connection is of type "single-stream", the whole connection must be shut down.
If the connection is of type "multi-stream", a streamId
can be provided, in which case
only the given substream is shut down.
The config.onReset
or config.onStreamReset
callbacks are not called.
The transition is performed in the background.
If the whole connection is to be shut down, none of the callbacks passed to the Config
must be called again. If only a substream is shut down, the onStreamReset
and onMessage
callbacks must not be called again with that substream.
Queues data to be sent on the given connection.
The connection must currently be in the Open
state.
The streamId
must be provided if and only if the connection is of type "multi-stream".
It indicates which substream to send the data on.
Start opening an additional outbound substream on the given connection.
The state of the connection must be Open
. This function must only be called for
connections of type "multi-stream".
The onStreamOpened
callback must later be called with an outbound direction.
Note that no mechanism exists in this API to handle the situation where a substream fails to open, as this is not supposed to happen. If you need to handle such a situation, either try again opening a substream again or reset the entire connection.