()
| 11 | ) |
| 12 | |
| 13 | func (mod *CANModule) Configure() error { |
| 14 | var err error |
| 15 | var parseOBD bool |
| 16 | |
| 17 | if mod.Running() { |
| 18 | return session.ErrAlreadyStarted(mod.Name()) |
| 19 | } else if err, mod.deviceName = mod.StringParam("can.device"); err != nil { |
| 20 | return err |
| 21 | } else if err, mod.dumpName = mod.StringParam("can.dump"); err != nil { |
| 22 | return err |
| 23 | } else if err, mod.dumpInject = mod.BoolParam("can.dump.inject"); err != nil { |
| 24 | return err |
| 25 | } else if err, parseOBD = mod.BoolParam("can.parse.obd2"); err != nil { |
| 26 | return err |
| 27 | } else if err, mod.transport = mod.StringParam("can.transport"); err != nil { |
| 28 | return err |
| 29 | } else if mod.transport != "can" && mod.transport != "udp" { |
| 30 | return errors.New("invalid transport") |
| 31 | } else if err, mod.filter = mod.StringParam("can.filter"); err != nil { |
| 32 | return err |
| 33 | } |
| 34 | |
| 35 | mod.obd2.Enable(parseOBD) |
| 36 | |
| 37 | if mod.filter != "" { |
| 38 | if mod.filterExpr, err = bexpr.CreateEvaluator(mod.filter); err != nil { |
| 39 | return err |
| 40 | } |
| 41 | mod.Warning("filtering frames with expression %s", tui.Bold(mod.filter)) |
| 42 | } |
| 43 | |
| 44 | if mod.conn, err = socketcan.Dial(mod.transport, mod.deviceName); err != nil { |
| 45 | return err |
| 46 | } |
| 47 | mod.recv = socketcan.NewReceiver(mod.conn) |
| 48 | mod.send = socketcan.NewTransmitter(mod.conn) |
| 49 | |
| 50 | if mod.dumpName != "" { |
| 51 | if err = mod.startDumpReader(); err != nil { |
| 52 | return err |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | return nil |
| 57 | } |
| 58 | |
| 59 | func (mod *CANModule) isFilteredOut(frame can.Frame, msg Message) bool { |
| 60 | // if we have an active filter |
no test coverage detected