connection indication
A connection indication is a b3270 protocol message that indicates the host connection has changed state. It appears nested within (XML) or as an element of (JSON) the initialize indication, or can appear independently later.
| Attribute/Member | Always present? | Type | Purpose |
|---|---|---|---|
| state | yes | string | New connection state (see below) |
| host | no | string | Host name, if connected |
| cause | no | string | Source of the connection |
Connection states are listed here.
| State | Meaning |
|---|---|
| not-connected | No connection |
| reconnecting | Delay before automatic reconnection |
| resolving | Resolving host name to address |
| tcp-pending | TCP connection pending |
| tls-pending | TLS negotiation in progress |
| proxy-pending | Proxy negotiation in progress |
| telnet-pending | TELNET negotiation in progress |
| connected-nvt | TN3270 NVT line mode |
| connected-nvt-charmode | TN3270 NVT character mode |
| connected-3270 | TN3270 3270 mode |
| connected-unbound | TN3270E unbound mode |
| connected-e-nvt | TN3270E NVT mode |
| connected-e-sscp | TN3270E SSCP-LU mode |
| connected-e-tn3270e | TN3270E 3270 mode |
Example (XML)
<connection state="connected-tn3270e" host="foo.bar.com" cause="ui"/>
Example (JSON)
New in 4.2
{ "connection": { "state": "connected-tn3270e", "host": "foo.bar.com", "cause": "ui" } }