- ServiceConnection should never try to reconnect. It's already the case
that we don't hold open ServiceConnections over long periods while
idle; it makes the class much simpler if it corresponds to a single
TCP connection. This also means that as soon as we have one connection
failure (eg you're offline) we can fail instantly instead of retrying
pointlessly.
- Drop the explicit timeout code in ServiceConnection. There's already
timeout handling in stream_client, and now that we don't retry, it
actually takes effect.
- Be more rigorous about uses of Future in ServiceConnection. Ensure
that each Future is only used once (ie, avoid "Future resolved more
than once" errors). Hopefully fixes#2390.
- ServiceConnection constructor now blocks until it's connected (and
throws if there's a connection failure). Maybe this introduces a tiny
bit more latency to the connection, but it makes it much easier to
handle errors properly.
- In packageClient.handlePackageServerConnectionError, show the error
message corresponding to the connection failure.
- In Node, the (newish) error passed to the Stream callback is now a
"DDP.ConnectionError" object. We can detect this in the tool (and we
don't even need to do some complex uniload/instanceof dance, since
error classes made with Meteor.makeErrorType label themselves with a
string errorType). We also no longer have a special
ServiceConnection.ConnectionTimeoutError.
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