| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package spigotmc |
| 4 | |
| 5 | import ( |
| 6 | "time" |
| 7 | |
| 8 | "github.com/gorcon/rcon" |
| 9 | ) |
| 10 | |
| 11 | type rconConn interface { |
| 12 | connect() error |
| 13 | disconnect() error |
| 14 | queryTps() (string, error) |
| 15 | queryList() (string, error) |
| 16 | } |
| 17 | |
| 18 | const ( |
| 19 | cmdTPS = "tps" |
| 20 | cmdList = "list" |
| 21 | ) |
| 22 | |
| 23 | func newRconConn(cfg Config) rconConn { |
| 24 | return &rconClient{ |
| 25 | addr: cfg.Address, |
| 26 | password: cfg.Password, |
| 27 | timeout: cfg.Timeout.Duration(), |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | type rconClient struct { |
| 32 | conn *rcon.Conn |
| 33 | addr string |
| 34 | password string |
| 35 | timeout time.Duration |
| 36 | } |
| 37 | |
| 38 | func (c *rconClient) queryTps() (string, error) { |
| 39 | return c.query(cmdTPS) |
| 40 | } |
| 41 | |
| 42 | func (c *rconClient) queryList() (string, error) { |
| 43 | return c.query(cmdList) |
| 44 | } |
| 45 | |
| 46 | func (c *rconClient) query(cmd string) (string, error) { |
| 47 | resp, err := c.conn.Execute(cmd) |
| 48 | if err != nil { |
| 49 | return "", err |
| 50 | } |
| 51 | return resp, nil |
| 52 | } |
| 53 | |
| 54 | func (c *rconClient) connect() error { |
| 55 | _ = c.disconnect() |
| 56 | |
| 57 | conn, err := rcon.Dial(c.addr, c.password, rcon.SetDialTimeout(c.timeout), rcon.SetDeadline(c.timeout)) |
| 58 | if err != nil { |
| 59 | return err |
| 60 | } |
| 61 | |
| 62 | c.conn = conn |
| 63 | |
| 64 | return nil |
| 65 | } |
| 66 | |
| 67 | func (c *rconClient) disconnect() error { |
| 68 | if c.conn != nil { |
| 69 | err := c.conn.Close() |
| 70 | c.conn = nil |
| 71 | return err |
| 72 | } |
| 73 | |
| 74 | return nil |
| 75 | } |