HTTP1Connection: Close on error while in request

[fabianfett]

Motivation

In the HTTP1ConnectionStateMachine we set the connection state to .closed after having forwarded an error to the inner RequestStateMachine. Since we set the error to close, the state.modify function did not create an action that would close the connection.

Changes

• Modify the ConnectionState based on the RequestStateMachine only in the state.modify function.
• Add a test to verify the fixed behavior.
• Use ExpressibleByDictionaryLiteral syntax for some HTTPHeaders to increase readability.

Result

Connections are closed, if an error happens, while we are in a request.

[Lukasa]

Nice catch