oia indication

A b3270 protocol message that indicates a change the state of the Operator Information Area (OIA).

Attribute/Member	Always present?	Type	Purpose
field	yes	string	OIA field name
value	no	string	Field value (if missing, field value is empty)
char	no	string	Compose character (U+nnnn)
type	no	string	Compose type (std or ge)
lu	no	string	Printer session logical unit (LU) name

Field names are as follows.

Field	Value type	Purpose
compose	Boolean	Composite character in progress
insert	Boolean	Insert mode
lock	string	Keyboard is locked (see below)
lu	string	Host session logical unit (LU) name
not-undera	Boolean	Communication pending
printer-session	Boolean	Printer session active
reverse-input	Boolean	Reverse input mode
screentrace	string	Screen trace count
script	Boolean	Host command timer (minutes:seconds)
typeahead	Boolean	Keystrokes are buffered

Reasons for the keyboard to be locked are:

Lock value	Meaning
deferred	Time delay after host unlock
field	Waiting for the host to format the screen
inhibit	Awaiting Query Reply acknowledgment
minus	Invalid SSCP-LU AID (-f indication)
not-connected	No (or incomplete) host connection
oerr type	Operator error (see below)
scrolled n	Scrolled back n screens
syswait	Awaiting AID completion (WAIT indication)
twait	Awaiting AID completion (clock indication)
disabled	Keyboard disabled by a script

Operator error types are:

Error type	Meaning
dbcs	Invalid DBCS operation
numeric	Attempt to insert alpha data into a numeric field
overflow	Attempt to insert into a full field
protected	Attempt to modify a protected field

Example (XML)

<oia field="lock" value="oerr protected"/>

New in 4.2

{ "oia": { "field": "lock", "value": "oerr protected" } }