| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package smartctl |
| 4 | |
| 5 | import ( |
| 6 | "strings" |
| 7 | |
| 8 | "github.com/tidwall/gjson" |
| 9 | ) |
| 10 | |
| 11 | func newSmartDevice(deviceData *gjson.Result) *smartDevice { |
| 12 | return &smartDevice{ |
| 13 | data: deviceData, |
| 14 | } |
| 15 | } |
| 16 | |
| 17 | type smartDevice struct { |
| 18 | data *gjson.Result |
| 19 | } |
| 20 | |
| 21 | func (d *smartDevice) deviceName() string { |
| 22 | v := d.data.Get("device.name").String() |
| 23 | return strings.TrimPrefix(v, "/dev/") |
| 24 | } |
| 25 | |
| 26 | func (d *smartDevice) deviceType() string { |
| 27 | return d.data.Get("device.type").String() |
| 28 | } |
| 29 | |
| 30 | func (d *smartDevice) serialNumber() string { |
| 31 | return d.data.Get("serial_number").String() |
| 32 | } |
| 33 | |
| 34 | func (d *smartDevice) modelName() string { |
| 35 | for _, s := range []string{"model_name", "scsi_model_name"} { |
| 36 | if v := d.data.Get(s); v.Exists() { |
| 37 | return v.String() |
| 38 | } |
| 39 | } |
| 40 | return "unknown" |
| 41 | } |
| 42 | |
| 43 | func (d *smartDevice) powerOnTime() (int64, bool) { |
| 44 | h := d.data.Get("power_on_time.hours") |
| 45 | if !h.Exists() { |
| 46 | return 0, false |
| 47 | } |
| 48 | m := d.data.Get("power_on_time.minutes") |
| 49 | return h.Int()*60*60 + m.Int()*60, true |
| 50 | } |
| 51 | |
| 52 | func (d *smartDevice) temperature() (int64, bool) { |
| 53 | v := d.data.Get("temperature.current") |
| 54 | return v.Int(), v.Exists() |
| 55 | } |
| 56 | |
| 57 | func (d *smartDevice) powerCycleCount() (int64, bool) { |
| 58 | for _, s := range []string{"power_cycle_count", "scsi_start_stop_cycle_counter.accumulated_start_stop_cycles"} { |
| 59 | if v := d.data.Get(s); v.Exists() { |
| 60 | return v.Int(), true |
| 61 | } |
| 62 | } |
| 63 | return 0, false |
| 64 | } |
| 65 | |
| 66 | func (d *smartDevice) smartStatusPassed() (bool, bool) { |
| 67 | v := d.data.Get("smart_status.passed") |
| 68 | return v.Bool(), v.Exists() |
| 69 | } |
| 70 | |
| 71 | func (d *smartDevice) ataSmartErrorLogCount() (int64, bool) { |
| 72 | v := d.data.Get("ata_smart_error_log.summary.count") |
| 73 | return v.Int(), v.Exists() |
| 74 | } |
| 75 | |
| 76 | func (d *smartDevice) ataSmartAttributeTable() ([]*smartAttribute, bool) { |
| 77 | table := d.data.Get("ata_smart_attributes.table") |
| 78 | if !table.Exists() || !table.IsArray() { |
| 79 | return nil, false |
| 80 | } |
| 81 | |
| 82 | var attrs []*smartAttribute |
| 83 | |
| 84 | for _, data := range table.Array() { |
| 85 | attrs = append(attrs, newSmartDeviceAttribute(data)) |
| 86 | } |
| 87 | |
| 88 | return attrs, true |
| 89 | } |
| 90 | |
| 91 | func newSmartDeviceAttribute(attrData gjson.Result) *smartAttribute { |
| 92 | return &smartAttribute{ |
| 93 | data: attrData, |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | type smartAttribute struct { |
| 98 | data gjson.Result |
| 99 | } |
| 100 | |
| 101 | func (a *smartAttribute) id() string { |
| 102 | return a.data.Get("id").String() |
| 103 | } |
| 104 | |
| 105 | func (a *smartAttribute) name() string { |
| 106 | return a.data.Get("name").String() |
| 107 | } |
| 108 | |
| 109 | func (a *smartAttribute) value() string { |
| 110 | return a.data.Get("value").String() |
| 111 | } |
| 112 | |
| 113 | func (a *smartAttribute) rawValue() string { |
| 114 | return a.data.Get("raw.value").String() |
| 115 | } |
| 116 | |
| 117 | func (a *smartAttribute) rawString() string { |
| 118 | return a.data.Get("raw.string").String() |
| 119 | } |