Function encodePdu

encodePdu(
    command: number,
    status: number,
    sequence: number,
    body: Uint8Array,
): Uint8Array
Wraps a command body in the 16-byte SMPP header.

Computes command_length from the body, then writes the four big-endian header words followed by the body.
Parameters
- command: number
  The command_id.
- status: number
  The command_status (0 for a request).
- sequence: number
  The sequence_number.
- body: Uint8Array
  The already-encoded command body (empty for header-only PDUs).
Returns Uint8Array
The complete PDU bytes.
Since
1.0.3
Example
```
import { encodePdu, Command } from 'edgeport/smpp';

const enquireLink = encodePdu(Command.EnquireLink, 0, 1, new Uint8Array(0));
```
- Defined in src/smpp/pdu.ts:385