Network Utilities › Get Network Service Status Operator › Operator Ports

Operator Ports

Success

• The operator finished successfully.
• If the operator is configured to read data from the service, then the operator succeeds if:
  • TCP:

    a. It binds to the local port (if specified)

    b. Connects to the remote host at the specified remote port

    c. Writes data to the service (if specified)

    d. Reads the reply data from the service

    e. Verifies that the reply data matches the pattern (if specified).

  • UDP:

    a. It binds to the local port (if specified)

    b. Sends a UDP message to the remote host at the specified remote port

    c. Reads the reply from the service

    d. Verifies that the reply data matches the pattern (if specified).

• If the operator is configured so it does not read data from the service, the operator succeeds if:
  • TCP:

    a. It binds to the local port (if specified)

    b. Connects to the remote host at the specified remote port

    c. Writes data to the service (if specified).

  • UDP:

    a. It binds to the local port (if specified)

    b. Sends a UDP message to the remote host at the specified remote port.

    This process does not mean that the UDP service is operational. We recommend configuring the operator to read the response from the service and match it to a pattern. Then, you can be sure that the UDP service is up and running. You cannot be sure that a service is verified properly through UDP when that service does not return any data.

Timeout

Timeout occurs when attempting to open a connection to the service through TCP. The timeout value is specified in Connection Timeout (sec).

Failure

Reasons include:

• The operator is set to read data from the service, but the data read did not match the pattern specified by the user.
• The user specifies invalid data. For instance: negative remote/local ports, negative Connection Timeout (for TCP only), 0 or negative Time to Read Data (sec).
• The remote host is not known.
• Cannot connect to the remote host at the remote port (or connection refused) through TCP; the service could be down in this case.
• Cannot bind to the specified local port.
• Error when sending or receiving data to/from the service.

Custom Ports

Returned if set by the user during the process design.