Monitor Client NATMOPI

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# Monitor Client NATMOPI

This Dokument covers the following topics:

- About the Monitor Client NATMOPI

- Command Interface Syntax

- Command Options Available

- Monitor Commands

- Directory Commands

- Command Examples

## About the Monitor Client NATMOPI

The Monitor Client `NATMOPI` is a character-based command interface for monitoring the various types of servers that are provided in a z/OS Natural environment. Each of these servers has its own set of monitor commands which is described in the corresponding server documentation. In addition, a set of directory commands is available which can be used independent of the server type. One `NATMOPI` can be used to monitor different server types.

## Command Interface Syntax

Basically the syntax of the command interface consists of a list of options where each option can/must have a value. For example:

    -s <server-id> -c help

where `-s` and `-c` are options and <server-id> and help are the option values.

It is possible to specify multiple options, but each option can have only one value assigned.

The command options available are listed below.

## Command Options Available

Words enclosed in <> are user supplied values.

Command Option | Action
--- | ---
-s <server-id> | Specify a server ID for sending a monitor command. If the server ID is not unique in the server directory, `NATMOPI` prompts the user to select a server.
-c <monitor command> | Specify a monitor command to be sent to the server ID defined with the `-s` option
-d <directory command> | Specify a directory command to be executed.
-a | Suppress prompting for ambiguous server ID. Process all servers which apply to the specified server ID.
-h | Print `NATMOPI` help.

## Monitor Commands

These are commands that are sent to a server for execution. The monitor commands available depend on the type of server, however, each server is able to support at least the commands `ping`, `terminate` and `help`. For further commands, refer to Operating the Web I/O Interface Server where the corresponding server commands are described.

## Directory Commands

Directory commands are not executed by a server, but directly by the monitor client `NATMOPI`.

You can use the directory commands to browse through the existing server entries and to remove stuck entries.

The following directory commands are available. Words enclosed in <> are user supplied values and words enclosed in [ ] are optional.

Directory Command | Action
--- | ---
ls [<server-id>] | List all servers from the server directory that apply to the specified server ID. The server list is in short form.
ll [<server-id>] | Same as `ls`, but the server list contains extended server information.
rs [<server-id>] | Remove server entries from server directory. Anmerkung If you remove the entry of an active server, you will loose the ability to monitor this server process.
cl [<server-id>] | Clean up server directory. This command pings the specified server. If the server does not respond, its entry will be removed from the directory.
ds | Dump the content of the server directory.
lm | List pending IPC messages.

## Command Examples

#### Example: Ping a Server in Different Environments

Server in z/OS (SMARTS/Com-plete), output in `STDOUT`:

- System operator:

      /F complete-jobname,NATMOPI -sServerName -cPING

- Com-plete online command:

      NATMOPI -sServerName -cPING

Server in z/OS (started task or batch mode):

- Execute `NATMOPI` in batch job:

      NATMOPI,PARM=('-sServerName -cPING')

  Sample job:

      //SAGMOPI  JOB  SAG,CLASS=K,MSGCLASS=X
      //NATEX EXEC PGM=NATMOPI,REGION=3000K,
      // PARM=('-Sname -CPING')
      //* PARM=('-H')
      //STEPLIB  DD DISP=SHR,DSN=NATURAL.XXXvr.LE.LOAD
      //         DD DISP=SHR,DSN=CEE.SCEERUN
      //SYSOUT   DD   SYSOUT=X
      //SYSPRINT DD   SYSOUT=X
      //*

  Where XXX is the Web I/O Interface server product code (NWO) and vr is the two-digit product version.

- Execute `NATMOPI` in TSO (Command):

      NATMOPI -sServerName -cPING

  The NWO load library must be included in the steplib of TSO.

#### Further Command Examples:

    natmopi -dls
| List all servers registered in the directory in short format.
    natmopi -dcl TST -ls TST
| Clean up all servers with ID `TST*` (ping server and remove it, if it does not respond), and list all servers with ID `TST*` after cleanup.
    natmopi -sSRV1 -cping -sSRV2 -sSRV3 -cterminate
| Send command `ping` to `SRV1`. Send command `terminate` to `SRV2` and `SRV3`.
    natmopi -cterminate -sSRV1 -cping -sSRV2 -sSRV3
| Is equivalent to the previous example. That is, `NATMOPI` sends the command following the `-s` option to the server. If no `-c` option follows the `-s` option, the first `-c` option from the command line will be used.
    natmopi -sSRV1 -cterminate -a
| Send command `terminate` to `SRV1`. If `SRV1` is ambiguous in the server directory, send the command to all `SRV1` servers without prompting for selection.

### On this page

- About the Monitor Client NATMOPI
- Command Interface Syntax
- Command Options Available
- Monitor Commands
- Directory Commands
- Command Examples