├── docs
    ├── dshb.png
    ├── dshb.1.ronn
    ├── dshb.1
    └── index.html
├── dshb.xcodeproj
    ├── project.xcworkspace
    │   └── contents.xcworkspacedata
    ├── xcshareddata
    │   └── xcschemes
    │   │   └── dshb.xcscheme
    └── project.pbxproj
├── .gitmodules
├── .gitignore
├── LICENSE
├── dshb
    ├── WidgetUITitle.swift
    ├── WidgetCPU.swift
    ├── WidgetSystem.swift
    ├── WidgetFan.swift
    ├── WidgetMemory.swift
    ├── WidgetBattery.swift
    ├── WidgetTemperature.swift
    ├── WidgetUIStat.swift
    ├── Widget.swift
    ├── WidgetProcess.swift
    └── main.swift
├── README.md
└── Makefile


/docs/dshb.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/beltex/dshb/HEAD/docs/dshb.png


--------------------------------------------------------------------------------
/dshb.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:dshb.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/.gitmodules:
--------------------------------------------------------------------------------
 1 | [submodule "libs/SMCKit"]
 2 | 	path = libs/SMCKit
 3 | 	url = https://github.com/beltex/SMCKit.git
 4 | [submodule "libs/SystemKit"]
 5 | 	path = libs/SystemKit
 6 | 	url = https://github.com/beltex/SystemKit.git
 7 | [submodule "libs/CommandLine"]
 8 | 	path = libs/CommandLine
 9 | 	url = https://github.com/jatoben/CommandLine.git
10 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
 1 | # Based off of Swift.gitignore @ https://github.com/github/gitignore
 2 | 
 3 | # dshb
 4 | archive
 5 | 
 6 | # Xcode
 7 | build/
 8 | *.pbxuser
 9 | !default.pbxuser
10 | *.mode1v3
11 | !default.mode1v3
12 | *.mode2v3
13 | !default.mode2v3
14 | *.perspectivev3
15 | !default.perspectivev3
16 | xcuserdata
17 | *.xccheckout
18 | *.moved-aside
19 | DerivedData
20 | *.hmap
21 | *.ipa
22 | *.xcuserstate
23 | *.xcscmblueprint
24 | 
25 | # Numerous always-ignore extensions
26 | *.diff
27 | *.err
28 | *.orig
29 | *.log
30 | *.rej
31 | *.swo
32 | *.swp
33 | *.zip
34 | *.vi
35 | *~
36 | 
37 | # OS or Editor folders
38 | .DS_Store
39 | ._*
40 | Thumbs.db
41 | .cache
42 | .tmproj
43 | *.esproj
44 | nbproject
45 | *.sublime-project
46 | *.sublime-workspace
47 | /bin
48 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2014-2017  beltex <https://beltex.github.io>
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in
13 | all copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 | THE SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/dshb/WidgetUITitle.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetUITitle.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | import Darwin.ncurses
28 | 
29 | struct WidgetUITitle {
30 | 
31 |     let name     : String
32 |     let nameCount: Int
33 |     var window   : Window
34 |     
35 |     fileprivate var padding = String()
36 |     
37 |     init(name: String, window: Window) {
38 |         self.name   = name
39 |         self.window = window
40 |         nameCount   = name.characters.count
41 | 
42 |         generatePadding()
43 |     }
44 |     
45 |     func draw() {
46 |         move(window.point.y, window.point.x)
47 |         attrset(COLOR_PAIR(WidgetUIColor.title.rawValue))
48 |         addstr(name + padding)
49 |     }
50 |     
51 |     mutating func resize(_ window: Window) {
52 |         self.window = window
53 |         generatePadding()
54 |         draw()
55 |     }
56 |     
57 |     fileprivate mutating func generatePadding() {
58 |         var paddingSize = window.length - nameCount
59 | 
60 |         if paddingSize < 0 { paddingSize = 0 }
61 | 
62 |         padding = String(repeating: " ", count: paddingSize)
63 |     }
64 | }
65 | 


--------------------------------------------------------------------------------
/dshb/WidgetCPU.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetCPU.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | struct WidgetCPU: WidgetType {
28 | 
29 |     let name = "CPU"
30 |     let displayOrder = 1
31 |     var title: WidgetUITitle
32 |     var stats = [WidgetUIStat]()
33 | 
34 |     fileprivate static var system = System()
35 |     
36 |     init(window: Window = Window()) {
37 |         title = WidgetUITitle(name: "CPU", window: window)
38 | 
39 |         for stat in ["System", "User", "Idle", "Nice"] {
40 |             stats.append(WidgetUIStat(name: stat, unit: .Percentage,
41 |                                       max: 100.0))
42 |         }
43 | 
44 |         stats[2].Nominal.color = WidgetUIColor.warningLevelCrisis
45 |         stats[2].Crisis.color = WidgetUIColor.warningLevelNominal
46 |     }
47 |     
48 |     mutating func draw() {
49 |         let values = WidgetCPU.system.usageCPU()
50 |         stats[0].draw(String(Int(values.system)),
51 |                       percentage: values.system / 100.0)
52 |         stats[1].draw(String(Int(values.user)),
53 |                       percentage: values.user / 100.0)
54 |         stats[2].draw(String(Int(values.idle)),
55 |                       percentage: values.idle / 100.0)
56 |         stats[3].draw(String(Int(values.nice)),
57 |                       percentage: values.nice / 100.0)
58 |     }
59 | }
60 | 


--------------------------------------------------------------------------------
/dshb/WidgetSystem.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetSystem.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | import Foundation
28 | 
29 | struct WidgetSystem: WidgetType {
30 | 
31 |     let name = "System"
32 |     let displayOrder = 3
33 |     var title: WidgetUITitle
34 |     var stats = [WidgetUIStat]()
35 | 
36 |     init(window: Window = Window()) {
37 |         title = WidgetUITitle(name: name, window: window)
38 | 
39 |         for stat in ["Uptime", "Processes", "Threads", "Load Average", "Mach Factor"] {
40 |             stats.append(WidgetUIStat(name: stat, unit: .None, max: 1.0))
41 |         }
42 |     }
43 |     
44 |     mutating func draw() {
45 |         let uptime = System.uptime()
46 |         stats[0].draw("\(uptime.days)d \(uptime.hrs)h \(uptime.mins)m",
47 |                       percentage: 0.0)
48 | 
49 |         let counts = System.processCounts()
50 |         stats[1].draw(String(counts.processCount), percentage: 0.0)
51 |         stats[2].draw(String(counts.threadCount), percentage: 0.0)
52 | 
53 |         let loadAverage = System.loadAverage().map
54 |                                                { NSString(format:"%.2f", $0) }
55 |         stats[3].draw("\(loadAverage[0]), \(loadAverage[1])," +
56 |                        "\(loadAverage[2])", percentage: 0.0)
57 |         
58 |         let machFactor = System.machFactor().map { NSString(format:"%.2f", $0) }
59 | 
60 |         stats[4].draw("\(machFactor[0]), \(machFactor[1]), \(machFactor[2])",
61 |                                                             percentage: 0.0)
62 |     }
63 | }
64 | 


--------------------------------------------------------------------------------
/dshb/WidgetFan.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetFan.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | struct WidgetFan: WidgetType {
28 | 
29 |     let name = "Fan"
30 |     let displayOrder = 6
31 |     var title: WidgetUITitle
32 |     var stats = [WidgetUIStat]()
33 | 
34 |     init(window: Window = Window()) {
35 |         title = WidgetUITitle(name: name, window: window)
36 | 
37 |         
38 |         let fanCount: Int
39 |         do    { fanCount = try SMCKit.fanCount() }
40 |         catch { fanCount = 0 }
41 | 
42 | 
43 |         for index in 0..<fanCount {
44 |             // Not sorting fan names, most will not have more than 2 anyway
45 |             let fanName: String
46 |             do    { fanName = try SMCKit.fanName(index) }
47 |             catch { fanName = "Fan \(index)" }
48 | 
49 | 
50 |             let fanMaxSpeed: Int
51 |             do {
52 |                 fanMaxSpeed = try SMCKit.fanMaxSpeed(index)
53 |             } catch {
54 |                 // Skip this fan
55 |                 continue
56 |             }
57 | 
58 |             stats.append(WidgetUIStat(name: fanName, unit: .RPM,
59 |                                       max: Double(fanMaxSpeed)))
60 |         }
61 |     }
62 | 
63 |     mutating func draw() {
64 |         for index in 0..<stats.count {
65 |             do {
66 |                 let fanSpeed = try SMCKit.fanCurrentSpeed(index)
67 |                 stats[index].draw(String(fanSpeed),
68 |                               percentage: Double(fanSpeed) / stats[index].maxValue)
69 |             } catch {
70 |                 stats[index].draw("Error", percentage: 0)
71 |             }
72 |         }
73 |     }
74 | }
75 | 
76 | 


--------------------------------------------------------------------------------
/dshb/WidgetMemory.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetMemory.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | import Foundation
28 | 
29 | struct WidgetMemory: WidgetType {
30 | 
31 |     let name = "Memory"
32 |     let displayOrder = 2
33 |     var title: WidgetUITitle
34 |     var stats = [WidgetUIStat]()
35 | 
36 |     fileprivate static let maxValueGB = System.physicalMemory(.gigabyte)
37 |     fileprivate static let maxValueMB = System.physicalMemory(.megabyte)
38 |     
39 |     init(window: Window = Window()) {
40 |         title = WidgetUITitle(name: name, window: window)
41 | 
42 | 
43 |         for stat in ["Free", "Wired", "Active", "Inactive", "Compressed"] {
44 |             stats.append(WidgetUIStat(name: stat, unit: .Gigabyte,
45 |                                       max: WidgetMemory.maxValueGB))
46 |         }
47 | 
48 | 
49 |         stats[0].Nominal.range = 0.45..<1.0
50 |         stats[0].Danger.range = 0.2..<0.45
51 |         stats[0].Crisis.range = 0..<0.2
52 |     }
53 |     
54 |     mutating func draw() {
55 |         let values = System.memoryUsage()
56 |         unitCheck(values.free, index: 0)
57 |         unitCheck(values.wired, index: 1)
58 |         unitCheck(values.active, index: 2)
59 |         unitCheck(values.inactive, index: 3)
60 |         unitCheck(values.compressed, index: 4)
61 |     }
62 |     
63 |     fileprivate mutating func unitCheck(_ val: Double, index: Int) {
64 |         if val < 1.0 {
65 |             stats[index].unit = .Megabyte
66 |             let value = val * 1000.0
67 |             stats[index].draw(String(Int(value)),
68 |                               percentage: value / WidgetMemory.maxValueMB)
69 |         }
70 |         else {
71 |             stats[index].unit = .Gigabyte
72 |             stats[index].draw(NSString(format:"%.2f", val) as String,
73 |                               percentage: val / WidgetMemory.maxValueGB)
74 |         }
75 |     }
76 | }
77 | 


--------------------------------------------------------------------------------
/dshb/WidgetBattery.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetBattery.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | struct WidgetBattery: WidgetType {
28 | 
29 |     let name = "Battery"
30 |     let displayOrder = 4
31 |     var title: WidgetUITitle
32 |     var stats = [WidgetUIStat]()
33 | 
34 |     init(window: Window = Window()) {
35 |         title = WidgetUITitle(name: name, window: window)
36 | 
37 | 
38 |         stats = [WidgetUIStat(name: "Charge", unit: .Percentage, max: 100.0),
39 |                  WidgetUIStat(name: "Capacity Degradation",
40 |                               unit: .MilliampereHour,
41 |                               max: Double(battery.designCapacity())),
42 |                  WidgetUIStat(name: "Cycles",
43 |                               unit: .None,
44 |                               max: Double(battery.designCycleCount())),
45 |                  // TODO: Better max temp for battery
46 |                  WidgetUIStat(name: "Temperature", unit: .Celsius, max: 128.0),
47 |                  WidgetUIStat(name: "Time Remaining", unit: .None, max: 0.0)]
48 | 
49 |         stats[0].Nominal.range = 0.2..<1.0
50 |         stats[0].Danger.range = 0..<0
51 |         stats[0].Crisis.range = 0..<0.2
52 | 
53 |         stats[1].Nominal.color = WidgetUIColor.warningLevelCrisis
54 |         stats[1].Crisis.color = WidgetUIColor.warningLevelNominal
55 |     }
56 |     
57 |     mutating func draw() {
58 |         let charge = battery.charge()
59 |         stats[0].draw(String(charge), percentage: charge / 100.0)
60 | 
61 |         let maxCapactiy = battery.maxCapactiy()
62 |         let cycleCount  = battery.cycleCount()
63 |         
64 |         stats[1].draw(String(maxCapactiy - Int(stats[1].maxValue)),
65 |                             percentage: Double(maxCapactiy) / stats[1].maxValue)
66 |         stats[2].draw(String(cycleCount),
67 |                              percentage: Double(cycleCount) / stats[2].maxValue)
68 | 
69 |         let temperature = battery.temperature()
70 |         stats[3].draw(String(temperature), percentage: temperature / stats[3].maxValue)
71 |         stats[4].draw(battery.timeRemainingFormatted(), percentage: 0.0)
72 |     }
73 | }
74 | 


--------------------------------------------------------------------------------
/dshb/WidgetTemperature.swift:
--------------------------------------------------------------------------------
 1 | //
 2 | // WidgetTemperature.swift
 3 | // dshb
 4 | //
 5 | // The MIT License
 6 | //
 7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
 8 | //
 9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
10 | // of this software and associated documentation files (the "Software"), to deal
11 | // in the Software without restriction, including without limitation the rights
12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 | // copies of the Software, and to permit persons to whom the Software is
14 | // furnished to do so, subject to the following conditions:
15 | //
16 | // The above copyright notice and this permission notice shall be included in
17 | // all copies or substantial portions of the Software.
18 | //
19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 | // THE SOFTWARE.
26 | 
27 | struct WidgetTemperature: WidgetType {
28 | 
29 |     let name = "Temperature"
30 |     let displayOrder = 5
31 |     var title: WidgetUITitle
32 |     var stats = [WidgetUIStat]()
33 | 
34 |     let maxValue = 128.0
35 |     fileprivate let sensors: [TemperatureSensor]
36 |     
37 |     init(window: Window = Window()) {
38 |         title = WidgetUITitle(name: name, window: window)
39 | 
40 | 
41 |         do {
42 |             // TODO: Add battery temperature from SystemKit? SMC will usually
43 |             //       have a key for it too (though not always certain which one)
44 |             let allKnownSensors = try SMCKit.allKnownTemperatureSensors().sorted
45 |                                                            { $0.name < $1.name }
46 | 
47 |             let allUnknownSensors: [TemperatureSensor]
48 |             if CLIUnknownTemperatureSensorsOption.wasSet {
49 |                 allUnknownSensors = try SMCKit.allUnknownTemperatureSensors()
50 |             } else { allUnknownSensors = [ ] }
51 | 
52 |             sensors = allKnownSensors + allUnknownSensors
53 |         } catch {
54 |             // TODO: Have some sort of warning message under temperature widget
55 |             sensors = [ ]
56 |         }
57 | 
58 | 
59 |         for sensor in sensors {
60 |             let name: String
61 |             if sensor.name == "Unknown" {
62 |                 name = sensor.name + " (\(sensor.code.toString()))"
63 |             } else { name = sensor.name }
64 | 
65 |             stats.append(WidgetUIStat(name: name, unit: .Celsius,
66 |                                                    max: maxValue))
67 |         }
68 |     }
69 |     
70 |     mutating func draw() {
71 |         for index in 0..<stats.count {
72 |             // TODO: Fix going past bottom of terminal window
73 |             //if stats[i].window.point.y >= LINES - 2 { break }
74 | 
75 |             do {
76 |                 let value = try SMCKit.temperature(sensors[index].code)
77 |                 stats[index].draw(String(value), percentage: value / maxValue)
78 |             } catch {
79 |                 stats[index].draw("Error", percentage: 0)
80 |                 // TODO: stats[i].unit = .None
81 |             }
82 |         }
83 |     }
84 | }
85 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
  1 | dshb
  2 | ====
  3 | 
  4 | A macOS system monitor in Swift, inspired by
  5 | <a href="https://en.wikipedia.org/wiki/Top_(software)">top</a> &
  6 | [htop](https://github.com/hishamhm/htop). Displays live readings of system CPU &
  7 | memory usage, machine temperature sensors, fan speeds, battery information and
  8 | other miscellaneous system statistics. The ncurses based TUI (text-based user
  9 | interface) uses color coating to imply status and is fully resizable. Stats are
 10 | updated at one second intervals while still maintaining low overhead (the
 11 | <a href="https://en.wikipedia.org/wiki/Observer_effect_(physics)">observer effect</a>
 12 | is inescapable in this case sadly).
 13 | 
 14 | ![alt text](docs/dshb.png)
 15 | 
 16 | 
 17 | ### Why?
 18 | 
 19 | - Exploration of Swift. In particular, systems programming and interfacing with
 20 |   low-level C APIs
 21 | 
 22 | 
 23 | ### Homebrew :beer:
 24 | 
 25 | ```sh
 26 | $ brew install dshb
 27 | ```
 28 | 
 29 | 
 30 | ### Requirements
 31 | 
 32 | - [Xcode 8.3.3 (Swift 3.1)](https://developer.apple.com/xcode/downloads/)
 33 | - macOS 10.9+
 34 |     - This is due to Swift  
 35 | 
 36 | 
 37 | ### Clone
 38 | 
 39 | Make sure to use the recursive option on clone to auto init all submodules.
 40 | 
 41 | ```sh
 42 | git clone --recursive https://github.com/beltex/dshb
 43 | ```
 44 | 
 45 | Incase you have already cloned the repository, run the following inside the
 46 | project directory.
 47 | 
 48 | ```sh
 49 | git submodule update --init
 50 | ```
 51 | 
 52 | 
 53 | ### Install
 54 | 
 55 | This will build dshb from source and place the binary and manual page in your
 56 | path.
 57 | 
 58 | ```sh
 59 | make install
 60 | ```
 61 | 
 62 | 
 63 | ### Stack
 64 | 
 65 | - [ncurses](https://www.gnu.org/software/ncurses/ncurses.html)
 66 |     - For drawing to the terminal (tested with version 5.4 - default on macOS)
 67 | - [SystemKit](https://github.com/beltex/SystemKit)
 68 |     - For almost all statistics
 69 | - [SMCKit](https://github.com/beltex/SMCKit)
 70 |     - For temperature & fan statistics
 71 | - [CommandLine](https://github.com/jatoben/CommandLine)
 72 |     - For the CLI
 73 | - [ronn](https://github.com/rtomayko/ronn)
 74 |     - For generating the manual page
 75 | 
 76 | All Git submodules are built part of the project as simply source files, not
 77 | frameworks (which are essentially dynamic libraries). This is because currently,
 78 | the Swift runtime dynamic libraries must be packaged with the application in
 79 | question. In the case of **dshb**, a single binary is generated which has the
 80 | runtime statically linked. Thus, frameworks, which expect to find the libraries
 81 | inside the application bundle (`.app`), cannot _"see"_ them.
 82 | 
 83 | For more see:
 84 | 
 85 | - [SwiftInFlux/Runtime Dynamic Libraries](https://github.com/ksm/SwiftInFlux#runtime-dynamic-libraries)
 86 | - [SwiftInFlux/Static Libraries](https://github.com/ksm/SwiftInFlux#static-libraries)
 87 | 
 88 | 
 89 | ### References
 90 | 
 91 | - [top](http://www.opensource.apple.com/source/top/)
 92 | - [NCURSES Programming HOWTO](http://www.tldp.org/HOWTO/NCURSES-Programming-HOWTO/index.html)
 93 | - [Programmer's Guide to ncurses](http://www.c-for-dummies.com/ncurses/)
 94 | - [Writing Programs with NCURSES](http://invisible-island.net/ncurses/ncurses-intro.html)
 95 | 
 96 | 
 97 | ### License
 98 | 
 99 | This project is under the **MIT License**.
100 | 
101 | 
102 | ##### _P.S._
103 | 
104 | Working on this always brought a smile to my face. I hope it brings a smile to
105 | yours too.
106 | [Enjoy](http://hypem.com/track/23j7h/First+Aid+Kit+-+My+Silver+Lining) :)
107 |  
108 | 


--------------------------------------------------------------------------------
/dshb.xcodeproj/xcshareddata/xcschemes/dshb.xcscheme:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <Scheme
  3 |    LastUpgradeVersion = "0830"
  4 |    version = "1.3">
  5 |    <BuildAction
  6 |       parallelizeBuildables = "YES"
  7 |       buildImplicitDependencies = "YES">
  8 |       <BuildActionEntries>
  9 |          <BuildActionEntry
 10 |             buildForTesting = "YES"
 11 |             buildForRunning = "YES"
 12 |             buildForProfiling = "YES"
 13 |             buildForArchiving = "YES"
 14 |             buildForAnalyzing = "YES">
 15 |             <BuildableReference
 16 |                BuildableIdentifier = "primary"
 17 |                BlueprintIdentifier = "4C8727FC19C7B41C002D093F"
 18 |                BuildableName = "dshb"
 19 |                BlueprintName = "dshb"
 20 |                ReferencedContainer = "container:dshb.xcodeproj">
 21 |             </BuildableReference>
 22 |          </BuildActionEntry>
 23 |       </BuildActionEntries>
 24 |    </BuildAction>
 25 |    <TestAction
 26 |       buildConfiguration = "Debug"
 27 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
 28 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
 29 |       shouldUseLaunchSchemeArgsEnv = "YES">
 30 |       <Testables>
 31 |       </Testables>
 32 |       <MacroExpansion>
 33 |          <BuildableReference
 34 |             BuildableIdentifier = "primary"
 35 |             BlueprintIdentifier = "4C8727FC19C7B41C002D093F"
 36 |             BuildableName = "dshb"
 37 |             BlueprintName = "dshb"
 38 |             ReferencedContainer = "container:dshb.xcodeproj">
 39 |          </BuildableReference>
 40 |       </MacroExpansion>
 41 |       <AdditionalOptions>
 42 |       </AdditionalOptions>
 43 |    </TestAction>
 44 |    <LaunchAction
 45 |       buildConfiguration = "Debug"
 46 |       selectedDebuggerIdentifier = ""
 47 |       selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
 48 |       launchStyle = "0"
 49 |       useCustomWorkingDirectory = "NO"
 50 |       ignoresPersistentStateOnLaunch = "NO"
 51 |       debugDocumentVersioning = "YES"
 52 |       debugServiceExtension = "internal"
 53 |       allowLocationSimulation = "YES">
 54 |       <PathRunnable
 55 |          runnableDebuggingMode = "0"
 56 |          FilePath = "/Applications/Utilities/Terminal.app">
 57 |       </PathRunnable>
 58 |       <MacroExpansion>
 59 |          <BuildableReference
 60 |             BuildableIdentifier = "primary"
 61 |             BlueprintIdentifier = "4C8727FC19C7B41C002D093F"
 62 |             BuildableName = "dshb"
 63 |             BlueprintName = "dshb"
 64 |             ReferencedContainer = "container:dshb.xcodeproj">
 65 |          </BuildableReference>
 66 |       </MacroExpansion>
 67 |       <CommandLineArguments>
 68 |          <CommandLineArgument
 69 |             argument = "${BUILT_PRODUCTS_DIR}/${FULL_PRODUCT_NAME}"
 70 |             isEnabled = "YES">
 71 |          </CommandLineArgument>
 72 |       </CommandLineArguments>
 73 |       <AdditionalOptions>
 74 |       </AdditionalOptions>
 75 |    </LaunchAction>
 76 |    <ProfileAction
 77 |       buildConfiguration = "Release"
 78 |       shouldUseLaunchSchemeArgsEnv = "YES"
 79 |       savedToolIdentifier = ""
 80 |       useCustomWorkingDirectory = "NO"
 81 |       debugDocumentVersioning = "YES">
 82 |       <BuildableProductRunnable
 83 |          runnableDebuggingMode = "0">
 84 |          <BuildableReference
 85 |             BuildableIdentifier = "primary"
 86 |             BlueprintIdentifier = "4C8727FC19C7B41C002D093F"
 87 |             BuildableName = "dshb"
 88 |             BlueprintName = "dshb"
 89 |             ReferencedContainer = "container:dshb.xcodeproj">
 90 |          </BuildableReference>
 91 |       </BuildableProductRunnable>
 92 |    </ProfileAction>
 93 |    <AnalyzeAction
 94 |       buildConfiguration = "Debug">
 95 |    </AnalyzeAction>
 96 |    <ArchiveAction
 97 |       buildConfiguration = "Release"
 98 |       revealArchiveInOrganizer = "YES">
 99 |    </ArchiveAction>
100 | </Scheme>
101 | 


--------------------------------------------------------------------------------
/dshb/WidgetUIStat.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | // WidgetUIStat.swift
  3 | // dshb
  4 | //
  5 | // The MIT License
  6 | //
  7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
  8 | //
  9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
 10 | // of this software and associated documentation files (the "Software"), to deal
 11 | // in the Software without restriction, including without limitation the rights
 12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 13 | // copies of the Software, and to permit persons to whom the Software is
 14 | // furnished to do so, subject to the following conditions:
 15 | //
 16 | // The above copyright notice and this permission notice shall be included in
 17 | // all copies or substantial portions of the Software.
 18 | //
 19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 25 | // THE SOFTWARE.
 26 | 
 27 | import Foundation
 28 | 
 29 | typealias WarningLevel = (range: Range<Double>, color: WidgetUIColor)
 30 | 
 31 | 
 32 | enum Unit: String {
 33 |     case Celsius = "°C"
 34 |     case Fahrenheit = "°F"
 35 |     case Gigabyte = "GB"
 36 |     case Kelvin = "K"
 37 |     case Percentage = "%"
 38 |     case Megabyte = "MB"
 39 |     case MilliampereHour = " mAh"
 40 |     case None = ""
 41 |     case RPM = " RPM"
 42 | }
 43 | 
 44 | 
 45 | struct WidgetUIStat {
 46 |     
 47 |     let name: String
 48 | 
 49 |     var unit: Unit {
 50 |         didSet {
 51 |             unitCount = unit.rawValue.characters.count
 52 |         }
 53 |     }
 54 | 
 55 |     var maxValue: Double
 56 |     var window: Window
 57 | 
 58 |     var Cool: WarningLevel = (-Double.infinity..<0, WidgetUIColor.warningLevelCool)
 59 |     var Nominal: WarningLevel = (0..<0.45, WidgetUIColor.warningLevelNominal)
 60 |     var Danger: WarningLevel = (0.45..<0.75, WidgetUIColor.warningLevelDanger)
 61 |     var Crisis: WarningLevel = (0.75..<Double.infinity, WidgetUIColor.warningLevelCrisis)
 62 | 
 63 |     fileprivate let nameCount: Int
 64 |     fileprivate var unitCount = 0
 65 |     fileprivate var lastStr = String()
 66 |     fileprivate var lastPercentage = 0.0
 67 | 
 68 |     init(name: String, unit: Unit, max: Double, window: Window = Window()) {
 69 |         self.name = name
 70 |         self.unit = unit
 71 |         self.maxValue = max
 72 |         self.window = window
 73 | 
 74 |         nameCount = name.characters.count
 75 |         unitCount = unit.rawValue.characters.count
 76 |     }
 77 | 
 78 |     mutating func draw(_ str: String, percentage: Double) {
 79 |         lastStr = str
 80 |         lastPercentage = percentage
 81 | 
 82 |         let spaceCount = window.length - nameCount - str.characters.count - unitCount
 83 |         let space = String(repeating: " ", count: max(spaceCount, 2))
 84 | 
 85 | 
 86 |         var shortenedName = name
 87 |         if spaceCount <= 0 {
 88 |             shortenedName = (name as NSString).substring(to: nameCount + spaceCount - 2)
 89 |             shortenedName.append(Character("…"))
 90 |         }
 91 | 
 92 | 
 93 |         let charactersToColorCount: Int
 94 |         if percentage.sign == .minus {
 95 |             charactersToColorCount = window.length
 96 |         } else {
 97 |             charactersToColorCount = Int(Double(window.length) * percentage)
 98 |         }
 99 | 
100 |         let fullStr = (shortenedName + space + str + unit.rawValue) as NSString
101 |         let coloredStr = fullStr.substring(to: charactersToColorCount)
102 |         let uncoloredStr = fullStr.substring(from: charactersToColorCount)
103 | 
104 | 
105 |         move(window.point.y, window.point.x)
106 |         switch percentage {
107 |         case Cool.range:    attrset(COLOR_PAIR(Cool.color.rawValue))
108 |         case Nominal.range: attrset(COLOR_PAIR(Nominal.color.rawValue))
109 |         case Danger.range:  attrset(COLOR_PAIR(Danger.color.rawValue))
110 |         case Crisis.range:  attrset(COLOR_PAIR(Crisis.color.rawValue))
111 |         default:            break
112 |         }
113 | 
114 |         addstr(coloredStr)
115 |         attrset(COLOR_PAIR(WidgetUIColor.background.rawValue))
116 |         addstr(uncoloredStr)
117 |     }
118 |     
119 |     mutating func resize(_ window: Window) {
120 |         self.window = window
121 |         draw(lastStr, percentage: lastPercentage)
122 |     }
123 | }
124 | 


--------------------------------------------------------------------------------
/docs/dshb.1.ronn:
--------------------------------------------------------------------------------
  1 | dshb(1) -- macOS system monitor
  2 | ===============================
  3 | 
  4 | ## SYNOPSIS
  5 | 
  6 | `dshb` [`-eu`][`-f` <frequency>]<br>
  7 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[`-h`]<br>
  8 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[`-v`]<br>
  9 | 
 10 | ## DESCRIPTION
 11 | 
 12 | A macOS system monitor in Swift, inspired by top & htop. Displays live readings
 13 | of system CPU & memory usage, machine temperature sensors, fan speeds, battery
 14 | information and other miscellaneous system statistics. The ncurses based TUI
 15 | (text-based user interface) uses color coating to imply status and is fully
 16 | resizable. Stats are updated at one second intervals while still maintaining
 17 | low overhead (the observer effect is inescapable in this case sadly).
 18 | 
 19 | ## OPTIONS
 20 | 
 21 | List of supported command line options (flags/switchs):
 22 | 
 23 |   * `-f`, `--frequency` <value>:
 24 |     Statistic update frequency in seconds. Default is 1.
 25 | 
 26 |   * `-h`, `--help`:
 27 |     Print the list of options.
 28 |   
 29 |   * `-u`, `--unknown-temperature-sensors`:
 30 |     Show temperature sensors whose hardware mapping is unknown.
 31 | 
 32 |   * `-v`, `--version`:
 33 |     Show dshb version.
 34 | 
 35 | ## COMMANDS
 36 | 
 37 | List of supported interactive commands for use during application runtime:
 38 | 
 39 |   * `q`:
 40 |     Quit.
 41 | 
 42 | ## STATS
 43 | 
 44 | Statistic sections are defined as _"widgets"_ (hence the name _dashboard_ -
 45 | metaphorically akin to macOS's Dashboard). Widgets are composed of related
 46 | statistics. Here we look at the various widgets in detail.
 47 | 
 48 |   * `Battery`:
 49 |      <br>
 50 |     Displays information about the state of the battery. If the machine does not
 51 |     have a battery, this widget will not appear. The information includes
 52 |     _Charge_, _Capacity Degradation_, _Cycles_ and _Time Remaining_.
 53 | 
 54 |   * `CPU`:
 55 |     Displays CPU usage broken down into _System_, _User_, _Idle_ and _Nice_.
 56 | 
 57 |   * `Fan`:
 58 |     Displays a list of all the fans the machine has with the current speed
 59 |     (RPM - revolutions per minute) of each. All Intel based Macs to this point
 60 |     have at least one fan, with the exception of the newly added fanless
 61 |     MacBook.
 62 | 
 63 |   * `Memory`:
 64 |     Displays memory usage broken down into _Free_, _Wired_, _Active_,
 65 |     _Inactive_ and _Compressed_.
 66 | 
 67 |   * `System`:
 68 |     Miscellaneous system stats including _Uptime_, _Processes_ & _Threads_
 69 |     (global counts), _Load Average_ (1, 5 and 15 minute intervals) and _Mach
 70 |     Factor_ (5, 30 and 60 second intervals).
 71 | 
 72 |   * `Temperature`:
 73 |     Displays a list of the machine temperature sensors in Celsius. The list
 74 |     is exhaustive when the (`-u`) switch is used.
 75 | 
 76 |     Note that the names of the known sensors may not be mapped to the correct
 77 |     hardware component. In addition, the maximum temperature of each individual
 78 |     sensor is not known. Thus, a global max of 128 degrees is used. This is all
 79 |     due to the fact that the SMC (System Management Controller) has a closed
 80 |     source driver, and thus information about it's inner workings is limited.
 81 | 
 82 |     If a sensor has a value that is very high, constant, and completely
 83 |     disproportionate to the rest, then there is a chance that it is faulty. This
 84 |     could be due to bad or damaged hardware (liquid on the logic board). Run the
 85 |      _Apple Diagnostics_ (_Apple Hardware Test_ for older machines) diagnostics
 86 |     suite in such a case to confirm.
 87 | 
 88 |     Some sensors however report very low values, below zero. The current theory
 89 |     on this is that at lower temperatures the sensors have inaccurate readings.
 90 |     It maybe that they are located close to an internal fan, and the airflow is
 91 |     causing it to be skewed.
 92 | 
 93 | ## ENVIRONMENT
 94 | 
 95 | Due to Swift, dshb requires macOS 10.9 (Mavericks) and above. This implies an
 96 | Intel based 64-bit machine. Of course, ncurses is required as well, but it
 97 | should be installed by default as a part of macOS, as base install tools such as
 98 | top, rely on it as well.
 99 | 
100 | ## REPOSITORY
101 | 
102 | <https://github.com/beltex/dshb>
103 | 
104 | All project related matters, including source code, can be found at the GitHub
105 | repository listed above. In particular, the issue tracker, which can be used to
106 | report feedback, feature requests and bugs.
107 | 
108 | ## COPYRIGHT
109 | 
110 | This project is under the _MIT License_.
111 | 
112 | ## AUTHOR
113 | 
114 | beltex <https://beltex.github.io>
115 | 
116 | Working on this always brought a smile to my face. I hope it brings a smile to
117 | yours too. Enjoy :)
118 | 
119 | ## SEE ALSO
120 | 
121 | top(1), htop(1)
122 | 


--------------------------------------------------------------------------------
/docs/dshb.1:
--------------------------------------------------------------------------------
  1 | .\" generated with Ronn/v0.7.3
  2 | .\" http://github.com/rtomayko/ronn/tree/0.7.3
  3 | .
  4 | .TH "DSHB" "1" "October 2017" "0.2.0" ""
  5 | .
  6 | .SH "NAME"
  7 | \fBdshb\fR \- macOS system monitor
  8 | .
  9 | .SH "SYNOPSIS"
 10 | \fBdshb\fR [\fB\-eu\fR][\fB\-f\fR \fIfrequency\fR]
 11 | .
 12 | .br
 13 | \~\~\~\~\~[\fB\-h\fR]
 14 | .
 15 | .br
 16 | \~\~\~\~\~[\fB\-v\fR]
 17 | .
 18 | .br
 19 | .
 20 | .SH "DESCRIPTION"
 21 | A macOS system monitor in Swift, inspired by top & htop\. Displays live readings of system CPU & memory usage, machine temperature sensors, fan speeds, battery information and other miscellaneous system statistics\. The ncurses based TUI (text\-based user interface) uses color coating to imply status and is fully resizable\. Stats are updated at one second intervals while still maintaining low overhead (the observer effect is inescapable in this case sadly)\.
 22 | .
 23 | .SH "OPTIONS"
 24 | List of supported command line options (flags/switchs):
 25 | .
 26 | .TP
 27 | \fB\-f\fR, \fB\-\-frequency\fR \fIvalue\fR
 28 | Statistic update frequency in seconds\. Default is 1\.
 29 | .
 30 | .TP
 31 | \fB\-h\fR, \fB\-\-help\fR
 32 | Print the list of options\.
 33 | .
 34 | .TP
 35 | \fB\-u\fR, \fB\-\-unknown\-temperature\-sensors\fR
 36 | Show temperature sensors whose hardware mapping is unknown\.
 37 | .
 38 | .TP
 39 | \fB\-v\fR, \fB\-\-version\fR
 40 | Show dshb version\.
 41 | .
 42 | .SH "COMMANDS"
 43 | List of supported interactive commands for use during application runtime:
 44 | .
 45 | .TP
 46 | \fBq\fR
 47 | Quit\.
 48 | .
 49 | .SH "STATS"
 50 | Statistic sections are defined as \fI"widgets"\fR (hence the name \fIdashboard\fR \- metaphorically akin to macOS\'s Dashboard)\. Widgets are composed of related statistics\. Here we look at the various widgets in detail\.
 51 | .
 52 | .TP
 53 | \fBBattery\fR
 54 | .
 55 | .br
 56 | Displays information about the state of the battery\. If the machine does not have a battery, this widget will not appear\. The information includes \fICharge\fR, \fICapacity Degradation\fR, \fICycles\fR and \fITime Remaining\fR\.
 57 | .
 58 | .TP
 59 | \fBCPU\fR
 60 | Displays CPU usage broken down into \fISystem\fR, \fIUser\fR, \fIIdle\fR and \fINice\fR\.
 61 | .
 62 | .TP
 63 | \fBFan\fR
 64 | Displays a list of all the fans the machine has with the current speed (RPM \- revolutions per minute) of each\. All Intel based Macs to this point have at least one fan, with the exception of the newly added fanless MacBook\.
 65 | .
 66 | .TP
 67 | \fBMemory\fR
 68 | Displays memory usage broken down into \fIFree\fR, \fIWired\fR, \fIActive\fR, \fIInactive\fR and \fICompressed\fR\.
 69 | .
 70 | .TP
 71 | \fBSystem\fR
 72 | Miscellaneous system stats including \fIUptime\fR, \fIProcesses\fR & \fIThreads\fR (global counts), \fILoad Average\fR (1, 5 and 15 minute intervals) and \fIMach Factor\fR (5, 30 and 60 second intervals)\.
 73 | .
 74 | .TP
 75 | \fBTemperature\fR
 76 | Displays a list of the machine temperature sensors in Celsius\. The list is exhaustive when the (\fB\-u\fR) switch is used\.
 77 | .
 78 | .IP
 79 | Note that the names of the known sensors may not be mapped to the correct hardware component\. In addition, the maximum temperature of each individual sensor is not known\. Thus, a global max of 128 degrees is used\. This is all due to the fact that the SMC (System Management Controller) has a closed source driver, and thus information about it\'s inner workings is limited\.
 80 | .
 81 | .IP
 82 | If a sensor has a value that is very high, constant, and completely disproportionate to the rest, then there is a chance that it is faulty\. This could be due to bad or damaged hardware (liquid on the logic board)\. Run the \fIApple Diagnostics\fR (\fIApple Hardware Test\fR for older machines) diagnostics suite in such a case to confirm\.
 83 | .
 84 | .IP
 85 | Some sensors however report very low values, below zero\. The current theory on this is that at lower temperatures the sensors have inaccurate readings\. It maybe that they are located close to an internal fan, and the airflow is causing it to be skewed\.
 86 | .
 87 | .SH "ENVIRONMENT"
 88 | Due to Swift, dshb requires macOS 10\.9 (Mavericks) and above\. This implies an Intel based 64\-bit machine\. Of course, ncurses is required as well, but it should be installed by default as a part of macOS, as base install tools such as top, rely on it as well\.
 89 | .
 90 | .SH "REPOSITORY"
 91 | \fIhttps://github\.com/beltex/dshb\fR
 92 | .
 93 | .P
 94 | All project related matters, including source code, can be found at the GitHub repository listed above\. In particular, the issue tracker, which can be used to report feedback, feature requests and bugs\.
 95 | .
 96 | .SH "COPYRIGHT"
 97 | This project is under the \fIMIT License\fR\.
 98 | .
 99 | .SH "AUTHOR"
100 | beltex \fIhttps://beltex\.github\.io\fR
101 | .
102 | .P
103 | Working on this always brought a smile to my face\. I hope it brings a smile to yours too\. Enjoy :)
104 | .
105 | .SH "SEE ALSO"
106 | top(1), htop(1)
107 | 


--------------------------------------------------------------------------------
/Makefile:
--------------------------------------------------------------------------------
 1 | INSTALL_FOLDER  = /usr/local/bin
 2 | MANPAGE_FOLDER  = /usr/local/share/man/man1
 3 | DOCS_FOLDER     = docs
 4 | XCODE_CONFIG    = Release
 5 | DSHB_VERSION    = 0.2.0
 6 | ARCHIVE_FOLDER  = archive
 7 | ARCHIVE_NAME    = dshb-${DSHB_VERSION}-source
 8 | SUBMODULES_PATH = libs
 9 | SUBMODULES      = `find ${SUBMODULES_PATH} -type d -depth 1 | \
10 |                    sed 's/${SUBMODULES_PATH}//' | tr -d '/'`
11 | REPO_URL        = https://github.com/beltex/dshb
12 | 
13 | .PHONY: help install machine release debug build uninstall archive-local \
14 |         archive-remote ronn clean distclean
15 | 
16 | help: ._hello
17 | 	@echo "Usage: make [targets]                                                 \
18 | \n  install  \tBuilds in release mode, placing the binary & manual page in your path \
19 | \n  uninstall\tDeletes the binary & manual page from your path                       \
20 | \n  release  \tRelease mode build with compiler optimizations & symbol removal       \
21 | \n  debug    \tDebug mode build                                                      \
22 | \n  clean    \tCleans the build folder                                               \
23 | \n  distclean\tDeletes the build, bin, & archive folders"
24 | ._hello:
25 | 	@echo "Hello `whoami`! I'm the Makefile for dshb. Nice to meet you! How" \
26 | 	      "can I help?\n"; touch ._hello
27 | install: machine release
28 | 	cp bin/dshb ${INSTALL_FOLDER}
29 | 	cp ${DOCS_FOLDER}/dshb.1 ${MANPAGE_FOLDER}
30 | 	du -sh ${INSTALL_FOLDER}/dshb
31 | machine:
32 | 	@sysctl hw.model;                                             \
33 | 	 sw_vers;                                                     \
34 | 	 uname -v;                                                    \
35 | 	 ioreg -lbrc AppleSMC | grep smc-version | tr -d "|" | xargs; \
36 | 	 xcodebuild -version;                                         \
37 | 	 swiftc -v
38 | release: build
39 | 	strip bin/dshb
40 | debug: XCODE_CONFIG=Debug
41 | debug: build
42 | build:
43 | 	$(if $(wildcard .git), git submodule update --init, \
44 |             $(if $(wildcard libs/SMCKit/README.md), , $(call bad-archive)))
45 | 	xcodebuild -configuration ${XCODE_CONFIG} build
46 | 	mkdir -p bin
47 | 	cp build/${XCODE_CONFIG}/dshb bin
48 | define bad-archive
49 | 	@echo "\n Sorry to say this `whoami` but we have a problem!            \n\n\
50 | Looks like you downloaded an archive of dshb from GitHub via the 'Download ZIP'  \n\
51 | option or one of the 'Source code' archives on the release page. These do not    \n\
52 | contain the Git submodules and thus you can't build dshb. Here's what you can do \n\
53 | instead though!                                                                \n\n\
54 | [1] Clone the repository via Git                                               \n\n\
55 |     git clone --recursive ${REPO_URL}                                          \n\n\
56 | [2] Download the 'dshb-<VERSION>-source.zip' archive which is complete at      \n\n\
57 |     ${REPO_URL}/releases/latest\n";                                                \
58 | 	 exit 1
59 | endef
60 | uninstall:
61 | 	rm ${INSTALL_FOLDER}/dshb
62 | 	rm ${MANPAGE_FOLDER}/dshb.1
63 | ronn:
64 | 	ronn --organization=${DSHB_VERSION} --style=toc ${DOCS_FOLDER}/dshb.1.ronn
65 | 	mv ${DOCS_FOLDER}/dshb.1.html ${DOCS_FOLDER}/index.html
66 | archive-local:
67 | 	@rm -rf ${ARCHIVE_FOLDER}/*;                                       \
68 | 	 mkdir -p ${ARCHIVE_FOLDER};                                       \
69 | 	 git archive --format zip -o ${ARCHIVE_FOLDER}/tmp HEAD;           \
70 | 	 unzip -d ${ARCHIVE_FOLDER}/${ARCHIVE_NAME} ${ARCHIVE_FOLDER}/tmp; \
71 | 	 for submodule in ${SUBMODULES}; do                                \
72 | 	   cd ${SUBMODULES_PATH}/$$submodule;                              \
73 | 	   git archive -o ../../${ARCHIVE_FOLDER}/$$submodule.zip HEAD;    \
74 | 	   cd ../../${ARCHIVE_FOLDER};                                     \
75 | 	   unzip -d ${ARCHIVE_NAME}/${SUBMODULES_PATH}/$$submodule         \
76 | 	                                                  $$submodule.zip; \
77 | 	   cd ..;                                                          \
78 | 	 done;                                                             \
79 | 	 cd ${ARCHIVE_FOLDER};                                             \
80 | 	 rm -rf *.zip;                                                     \
81 | 	 zip -r ${ARCHIVE_NAME}.zip ${ARCHIVE_NAME};                       \
82 | 	 rm -rf tmp ${ARCHIVE_NAME}
83 | archive-remote:
84 | 	@rm -rf ${ARCHIVE_FOLDER}/*;                                          \
85 | 	 mkdir -p ${ARCHIVE_FOLDER};                                          \
86 | 	 git clone --depth 1 --recursive ${REPO_URL}                          \
87 | 	                                   ${ARCHIVE_FOLDER}/${ARCHIVE_NAME}; \
88 | 	 cd ${ARCHIVE_FOLDER};                                                \
89 | 	 zip -r ${ARCHIVE_NAME}.zip ${ARCHIVE_NAME} --exclude \*.git *.git/*; \
90 | 	 rm -rf ${ARCHIVE_NAME}
91 | clean:
92 | 	xcodebuild -configuration Debug clean
93 | 	xcodebuild -configuration Release clean
94 | distclean:
95 | 	rm -rf bin build ._hello ${ARCHIVE_FOLDER}
96 | 


--------------------------------------------------------------------------------
/dshb/Widget.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | // Widget.swift
  3 | // dshb
  4 | //
  5 | // The MIT License
  6 | //
  7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
  8 | //
  9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
 10 | // of this software and associated documentation files (the "Software"), to deal
 11 | // in the Software without restriction, including without limitation the rights
 12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 13 | // copies of the Software, and to permit persons to whom the Software is
 14 | // furnished to do so, subject to the following conditions:
 15 | //
 16 | // The above copyright notice and this permission notice shall be included in
 17 | // all copies or substantial portions of the Software.
 18 | //
 19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 25 | // THE SOFTWARE.
 26 | 
 27 | import Darwin.ncurses
 28 | 
 29 | //------------------------------------------------------------------------------
 30 | // MARK: PROPERTIES
 31 | //------------------------------------------------------------------------------
 32 | 
 33 | // Color pair refs
 34 | enum WidgetUIColor: Int32 {
 35 |     case background = 1
 36 |     case title = 2
 37 |     case warningLevelCool = 3
 38 |     case warningLevelNominal = 4
 39 |     case warningLevelDanger = 5
 40 |     case warningLevelCrisis = 6
 41 | }
 42 | 
 43 | /// Number of pixels between widgets
 44 | private let widgetSpacing   : Int32 = 1
 45 | private let maxWidgetsPerRow: Int32 = 3
 46 | 
 47 | //------------------------------------------------------------------------------
 48 | // MARK: PROTOCOLS
 49 | //------------------------------------------------------------------------------
 50 | 
 51 | protocol WidgetType {
 52 |     var name: String          { get     }
 53 |     var displayOrder: Int     { get     }
 54 |     var title: WidgetUITitle  { get set }
 55 |     var stats: [WidgetUIStat] { get set }
 56 | 
 57 |     init(window: Window)
 58 | 
 59 |     mutating func draw()
 60 |     mutating func resize(_ window: Window) -> Int32
 61 | }
 62 | 
 63 | extension WidgetType {
 64 | 
 65 |     mutating func resize(_ window: Window) -> Int32 {
 66 |         title.resize(window)
 67 | 
 68 |         var windowVar = window
 69 |         windowVar.point.y += 1    // Becuase of title
 70 |         for index in 0..<stats.count {
 71 |             stats[index].resize(windowVar)
 72 |             windowVar.point.y += 1
 73 |         }
 74 | 
 75 |         return windowVar.point.y
 76 |     }
 77 | }
 78 | 
 79 | //------------------------------------------------------------------------------
 80 | // MARK: STRUCTS
 81 | //------------------------------------------------------------------------------
 82 | 
 83 | /// Like an ncurses window
 84 | struct Window {
 85 |     var length                      = 0
 86 |     var point: (x: Int32, y: Int32) = (0, 0)
 87 | }
 88 | 
 89 | //------------------------------------------------------------------------------
 90 | // MARK: FUNCTIONS
 91 | //------------------------------------------------------------------------------
 92 | 
 93 | /// Clear the screen and redraw all widgets from scratch
 94 | func drawAllWidgets() {
 95 |     clear()
 96 | 
 97 |     let widgetLength = Int((COLS - (widgetSpacing * (maxWidgetsPerRow - 1)))
 98 |                                                              / maxWidgetsPerRow)
 99 |     var result_pos    : Int32 = 0
100 |     var maxHeight     : Int32 = 0
101 |     var y_pos_new     : Int32 = 0
102 |     var widgetRowCount: Int32 = 0
103 | 
104 |     // FIXME: Bad temporary hack to make proc list optional. Same further below
105 |     let range = CLIExperimentalOption.wasSet ? widgets.count - 1 : widgets.count
106 | 
107 |     for index in 0..<range {
108 |         // Are we on a new row?
109 |         if index % Int(maxWidgetsPerRow) == 0 {
110 |             y_pos_new += maxHeight - y_pos_new
111 |             widgetRowCount = 0
112 |         }
113 | 
114 |         result_pos = widgets[index].resize(Window(length: widgetLength,
115 |                                               point: (x: (Int32(widgetLength) + widgetSpacing) * widgetRowCount,
116 |                                                       y: y_pos_new)))
117 | 
118 |         // While the width of each widget is fixed, the height is not, so
119 |         // we need to know the max height of a row of widgets
120 |         if result_pos > maxHeight {
121 |             maxHeight = result_pos
122 |         }
123 | 
124 |         widgetRowCount += 1
125 |     }
126 | 
127 |     if CLIExperimentalOption.wasSet {
128 |         _ = widgets[widgets.count - 1].resize(Window(length: Int(COLS), point: (x: 0, y: maxHeight)))
129 |     }
130 | 
131 |     refresh()
132 | }
133 | 


--------------------------------------------------------------------------------
/dshb/WidgetProcess.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | // WidgetProcess.swift
  3 | // dshb
  4 | //
  5 | // The MIT License
  6 | //
  7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
  8 | //
  9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
 10 | // of this software and associated documentation files (the "Software"), to deal
 11 | // in the Software without restriction, including without limitation the rights
 12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 13 | // copies of the Software, and to permit persons to whom the Software is
 14 | // furnished to do so, subject to the following conditions:
 15 | //
 16 | // The above copyright notice and this permission notice shall be included in
 17 | // all copies or substantial portions of the Software.
 18 | //
 19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 25 | // THE SOFTWARE.
 26 | 
 27 | import Cocoa
 28 | import Darwin
 29 | 
 30 | struct WidgetProcess: WidgetType {
 31 | 
 32 |     let name = "   PID USER            COMMAND"
 33 |     let displayOrder = 7
 34 |     var title: WidgetUITitle
 35 |     var stats = [WidgetUIStat]()
 36 | 
 37 |     var usernames = [uid_t : String]()
 38 | 
 39 |     init(window: Window = Window()) {
 40 |         title = WidgetUITitle(name: name, window: window)
 41 |     }
 42 | 
 43 |     mutating func draw() {
 44 |         var list = processList()
 45 | 
 46 |         list.sort { $0.kp_proc.p_pid > $1.kp_proc.p_pid }
 47 | 
 48 |         for index in 0..<Int(LINES) - Int(title.window.point.y) - 1 {
 49 |             if index >= list.count { break }
 50 | 
 51 |             var kinfo = list[index]
 52 |             let command = withUnsafePointer(to: &kinfo.kp_proc.p_comm) {
 53 |                 String(cString: UnsafeRawPointer($0).assumingMemoryBound(to: CChar.self))
 54 |             }
 55 | 
 56 |             let username: String
 57 |             let uid = kinfo.kp_eproc.e_ucred.cr_uid
 58 | 
 59 |             if let index = usernames.index(forKey: uid) {
 60 |                 username = usernames[index].1
 61 |             }
 62 |             else { username = getUsername(uid) }
 63 | 
 64 |             let tokens = [String(kinfo.kp_proc.p_pid),
 65 |                           username,
 66 |                           command]
 67 | 
 68 |             let window = Window(length: title.window.length, point: (0, title.window.point.y + Int32(index) + 1))
 69 |             let procStat = WidgetUIProcess(
 70 |                 name: processString(tokens, length: title.window.length),
 71 |                 window: window
 72 |             )
 73 | 
 74 |             procStat.draw()
 75 |         }
 76 |     }
 77 | }
 78 | 
 79 | struct WidgetUIProcess {
 80 | 
 81 |     let name: String
 82 |     var window: Window
 83 | 
 84 |     init(name: String, window: Window) {
 85 |         self.name = name
 86 |         self.window = window
 87 |     }
 88 | 
 89 |     func draw() {
 90 |         move(window.point.y, window.point.x)
 91 |         addstr(name)
 92 |     }
 93 | 
 94 |     mutating func resize(_ window: Window) {
 95 |         self.window = window
 96 |         draw()
 97 |     }
 98 | }
 99 | 
100 | 
101 | private func processString(_ tokens: [String], length: Int) -> String {
102 |     let pidSpace = 6
103 |     let userSpace = 16
104 | 
105 |     let pidCount  = tokens[0].characters.count
106 |     let userCount = tokens[1].characters.count
107 | 
108 |     var pidSpaceString  = String()
109 |     var userSpaceString = String()
110 | 
111 |     for _ in 0..<pidSpace - pidCount { pidSpaceString.append(" ") }
112 |     for _ in 0..<userSpace - userCount { userSpaceString.append(" ") }
113 | 
114 | 
115 |     return pidSpaceString + tokens[0] + " " + tokens[1] + userSpaceString + tokens[2]
116 | }
117 | 
118 | 
119 | private func processList() -> [kinfo_proc] {
120 |     var mib: [Int32] = [CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0]
121 |     var size = 0
122 | 
123 |     // First need to need size of process list array
124 |     var result = sysctl(&mib, u_int(mib.count), nil, &size, nil, 0)
125 |     assert(result == KERN_SUCCESS)
126 | 
127 |     // Get process list
128 |     let procCount = size / MemoryLayout<kinfo_proc>.stride
129 |     var procList = [kinfo_proc](repeating: kinfo_proc(), count: procCount)
130 |     result = sysctl(&mib, u_int(mib.count), &procList, &size, nil, 0)
131 |     assert(result == KERN_SUCCESS)
132 | 
133 |     return procList
134 | }
135 | 
136 | 
137 | private func getUsername(_ uid: uid_t) -> String {
138 |     let username: String
139 |     var userInfo = passwd()
140 |     var result: UnsafeMutablePointer<passwd>? = UnsafeMutablePointer<passwd>.allocate(capacity: 1)
141 | 
142 |     // TODO: Can we cache this?
143 |     // TODO: Returns -1 on not error
144 |     let bufferSize = sysconf(_SC_GETPW_R_SIZE_MAX)
145 |     let buffer     = UnsafeMutablePointer<Int8>.allocate(capacity: bufferSize)
146 | 
147 |     // TODO: Check result for nil pointer - indictes not found
148 |     // TODO: Add note about not using getpwuid()    
149 |     if getpwuid_r(uid, &userInfo, buffer, bufferSize, &result) == 0 {
150 |         username = String(cString: userInfo.pw_name)
151 |     }
152 |     else {
153 |         username = String()
154 |     }
155 | 
156 |     buffer.deallocate(capacity: bufferSize)
157 |     // TODO: Why does this fail?
158 |     //result.dealloc(1)
159 | 
160 |     return username
161 | }
162 | 


--------------------------------------------------------------------------------
/dshb/main.swift:
--------------------------------------------------------------------------------
  1 | //
  2 | // main.swift
  3 | // dshb
  4 | //
  5 | // The MIT License
  6 | //
  7 | // Copyright (C) 2014-2017  beltex <https://beltex.github.io>
  8 | //
  9 | // Permission is hereby granted, free of charge, to any person obtaining a copy
 10 | // of this software and associated documentation files (the "Software"), to deal
 11 | // in the Software without restriction, including without limitation the rights
 12 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 13 | // copies of the Software, and to permit persons to whom the Software is
 14 | // furnished to do so, subject to the following conditions:
 15 | //
 16 | // The above copyright notice and this permission notice shall be included in
 17 | // all copies or substantial portions of the Software.
 18 | //
 19 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 20 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 21 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 22 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 23 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 24 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 25 | // THE SOFTWARE.
 26 | 
 27 | import IOKit
 28 | import Darwin.ncurses
 29 | 
 30 | //------------------------------------------------------------------------------
 31 | // MARK: GLOBAL PROPERTIES
 32 | //------------------------------------------------------------------------------
 33 | 
 34 | /// Application version
 35 | let dshbVersion = "0.2.0"
 36 | 
 37 | /// Statistic update frequency in seconds. Default is 1
 38 | let updateFrequency: UInt64
 39 | 
 40 | /// Does this machine have a battery?
 41 | let hasBattery: Bool
 42 | 
 43 | /// Does this machine have a SMC (System Management Controller)?
 44 | let hasSMC: Bool
 45 | 
 46 | /// Statistic widgets that are on (displayed)
 47 | var widgets: [WidgetType] = [WidgetCPU(), WidgetMemory(), WidgetSystem()]
 48 | 
 49 | //------------------------------------------------------------------------------
 50 | // MARK: COMMAND LINE INTERFACE
 51 | //------------------------------------------------------------------------------
 52 | 
 53 | let CLIExperimentalOption = BoolOption(shortFlag: "e", longFlag: "experimental",
 54 |                                    helpMessage: "Turn on experimental features")
 55 | let CLIFrequencyOption = IntOption(shortFlag: "f", longFlag: "frequency",
 56 |              helpMessage: "Statistic update frequency in seconds. Default is 1")
 57 | let CLIHelpOption      = BoolOption(shortFlag: "h", longFlag: "help",
 58 |                                     helpMessage: "Print the list of options")
 59 | let CLIUnknownTemperatureSensorsOption = BoolOption(shortFlag: "u",
 60 |                                         longFlag: "unknown-temperature-sensors",
 61 |       helpMessage: "Show temperature sensors whose hardware mapping is unknown")
 62 | let CLIVersionOption   = BoolOption(shortFlag: "v", longFlag: "version",
 63 |                                     helpMessage: "Print dshb version")
 64 | 
 65 | let CLI = CommandLine()
 66 | CLI.addOptions(CLIExperimentalOption, CLIFrequencyOption, CLIHelpOption,
 67 |                CLIUnknownTemperatureSensorsOption, CLIVersionOption)
 68 | 
 69 | do {
 70 |     try CLI.parse(strict: true)
 71 | } catch {
 72 |     CLI.printUsage(error)
 73 |     exit(EX_USAGE)
 74 | }
 75 | 
 76 | 
 77 | // Give precedence to help flag
 78 | if CLIHelpOption.wasSet {
 79 |     CLI.printUsage()
 80 |     exit(EX_OK)
 81 | } else if CLIVersionOption.wasSet {
 82 |     print(dshbVersion)
 83 |     exit(EX_OK)
 84 | }
 85 | 
 86 | 
 87 | if let customFrequency = CLIFrequencyOption.value {
 88 |     if customFrequency < 1 {
 89 |         print("Usage: Statistic update frequency must be >= 1")
 90 |         exit(EX_USAGE)
 91 |     }
 92 | 
 93 |     updateFrequency = UInt64(customFrequency)
 94 | }
 95 | else { updateFrequency = 1 }
 96 | 
 97 | 
 98 | if CLIExperimentalOption.wasSet { widgets.append(WidgetProcess()) }
 99 | 
100 | //------------------------------------------------------------------------------
101 | // MARK: NCURSES SETTINGS
102 | //------------------------------------------------------------------------------
103 | 
104 | setlocale(LC_ALL, "")
105 | initscr()                   // Init window. Must be first
106 | cbreak()
107 | noecho()                    // Don't echo user input
108 | nonl()                      // Disable newline mode
109 | intrflush(stdscr, true)     // Prevent flush
110 | keypad(stdscr, true)        // Enable function and arrow keys
111 | curs_set(0)                 // Set cursor to invisible
112 | 
113 | // Init terminal colours
114 | // TODO: Do has_color() check when we have a way to log the error, print()
115 | //       won't work
116 | start_color()
117 | init_pair(Int16(WidgetUIColor.background.rawValue), Int16(COLOR_WHITE),
118 |                                                     Int16(use_default_colors()))
119 | init_pair(Int16(WidgetUIColor.title.rawValue), Int16(COLOR_WHITE),
120 |                                                Int16(COLOR_CYAN))
121 | init_pair(Int16(WidgetUIColor.warningLevelCool.rawValue), Int16(COLOR_BLACK),
122 |                                                           Int16(COLOR_BLUE))
123 | init_pair(Int16(WidgetUIColor.warningLevelNominal.rawValue), Int16(COLOR_BLACK),
124 |                                                              Int16(COLOR_GREEN))
125 | init_pair(Int16(WidgetUIColor.warningLevelDanger.rawValue), Int16(COLOR_BLACK),
126 |                                                             Int16(COLOR_YELLOW))
127 | init_pair(Int16(WidgetUIColor.warningLevelCrisis.rawValue), Int16(COLOR_BLACK),
128 |                                                             Int16(COLOR_RED))
129 | 
130 | bkgd(UInt32(COLOR_PAIR(WidgetUIColor.background.rawValue)))
131 | 
132 | //------------------------------------------------------------------------------
133 | // MARK: WIDGET SETUP
134 | //------------------------------------------------------------------------------
135 | 
136 | // Do this before SMC, since temperature widget needs to know about battery
137 | var battery = Battery()
138 | 
139 | if battery.open() == kIOReturnSuccess {
140 |     // TODO: Could this change during use? Old MacBook with removeable battery?
141 |     hasBattery = true
142 |     widgets.append(WidgetBattery())
143 | } else { hasBattery = false }
144 | 
145 | 
146 | do {
147 |     try SMCKit.open()
148 |     hasSMC = true
149 |     widgets.append(WidgetTemperature())
150 | 
151 |     // Due to the new fanless MacBook8,1
152 |     if let fanCount = try? SMCKit.fanCount(), fanCount > 0 {
153 |         widgets.append(WidgetFan())
154 |     }
155 | } catch { hasSMC = false }
156 | 
157 | 
158 | widgets.sort { $0.displayOrder < $1.displayOrder }
159 | 
160 | drawAllWidgets()
161 | 
162 | //------------------------------------------------------------------------------
163 | // MARK: GCD TIMER SETUP
164 | //------------------------------------------------------------------------------
165 | 
166 | // See comment for background for reference.
167 | // https://github.com/beltex/dshb/issues/16#issuecomment-70699890
168 | 
169 | 
170 | let qAttr = DispatchQueue.Attributes()
171 | let qLabel = "com.beltex.dshb"
172 | let queue: DispatchQueue
173 | 
174 | 
175 | if #available(OSX 10.10, *) {
176 |     let qos = DispatchQoS(qosClass: DispatchQoS.QoSClass.userInteractive,
177 |                       relativePriority: 0)
178 |     
179 |     queue = DispatchQueue(label: qLabel,
180 |                           qos: qos,
181 |                           attributes: qAttr)
182 | } else {
183 |     queue = DispatchQueue(label: qLabel,
184 |                           attributes: qAttr)
185 | }
186 | 
187 | let source = DispatchSource.makeTimerSource(flags: DispatchSource.TimerFlags(rawValue: 0),
188 |                                             queue: queue)
189 | 
190 | source.scheduleRepeating(deadline: .now(),
191 |                          interval: Double(updateFrequency),
192 |                          leeway: .seconds(0))
193 | 
194 | source.setEventHandler {
195 |     // TODO: If we call clear() here, can help address display "race condition"
196 |     //       mentioned in issue #16 (see URL above). Though we'd have to redraw
197 |     //       titles too
198 |     for index in 0..<widgets.count {
199 |         widgets[index].draw()
200 |     }
201 |     refresh()
202 | }
203 | 
204 | // We have to resume the dispatch source as it is paused by default
205 | source.resume()
206 | 
207 | //------------------------------------------------------------------------------
208 | // MARK: MAIN (EVENT) LOOP
209 | //------------------------------------------------------------------------------
210 | 
211 | while true {
212 |     switch getch() {
213 |         // TODO: has_key() check for KEY_RESIZE?
214 |     case KEY_RESIZE:
215 |         // This could be done through GCD signal handler as well
216 |         source.suspend()
217 |         // If this takes too long, queue will build up. Also, there is the
218 |         // issue of mutiple resize calls.
219 |         drawAllWidgets()
220 |         source.resume()
221 |     case Int32(UnicodeScalar("q").value):   // Quit
222 |         source.cancel()
223 |         endwin()    // ncurses cleanup
224 |         if hasSMC     { SMCKit.close()  }
225 |         if hasBattery { _ = battery.close() }
226 |         exit(EX_OK)
227 |     default: break
228 |     }
229 | }
230 | 


--------------------------------------------------------------------------------
/docs/index.html:
--------------------------------------------------------------------------------
  1 | <!DOCTYPE html>
  2 | <html>
  3 | <head>
  4 |   <meta http-equiv='content-type' value='text/html;charset=utf8'>
  5 |   <meta name='generator' value='Ronn/v0.7.3 (http://github.com/rtomayko/ronn/tree/0.7.3)'>
  6 |   <title>dshb(1) - macOS system monitor</title>
  7 |   <style type='text/css' media='all'>
  8 |   /* style: man */
  9 |   body#manpage {margin:0}
 10 |   .mp {max-width:100ex;padding:0 9ex 1ex 4ex}
 11 |   .mp p,.mp pre,.mp ul,.mp ol,.mp dl {margin:0 0 20px 0}
 12 |   .mp h2 {margin:10px 0 0 0}
 13 |   .mp > p,.mp > pre,.mp > ul,.mp > ol,.mp > dl {margin-left:8ex}
 14 |   .mp h3 {margin:0 0 0 4ex}
 15 |   .mp dt {margin:0;clear:left}
 16 |   .mp dt.flush {float:left;width:8ex}
 17 |   .mp dd {margin:0 0 0 9ex}
 18 |   .mp h1,.mp h2,.mp h3,.mp h4 {clear:left}
 19 |   .mp pre {margin-bottom:20px}
 20 |   .mp pre+h2,.mp pre+h3 {margin-top:22px}
 21 |   .mp h2+pre,.mp h3+pre {margin-top:5px}
 22 |   .mp img {display:block;margin:auto}
 23 |   .mp h1.man-title {display:none}
 24 |   .mp,.mp code,.mp pre,.mp tt,.mp kbd,.mp samp,.mp h3,.mp h4 {font-family:monospace;font-size:14px;line-height:1.42857142857143}
 25 |   .mp h2 {font-size:16px;line-height:1.25}
 26 |   .mp h1 {font-size:20px;line-height:2}
 27 |   .mp {text-align:justify;background:#fff}
 28 |   .mp,.mp code,.mp pre,.mp pre code,.mp tt,.mp kbd,.mp samp {color:#131211}
 29 |   .mp h1,.mp h2,.mp h3,.mp h4 {color:#030201}
 30 |   .mp u {text-decoration:underline}
 31 |   .mp code,.mp strong,.mp b {font-weight:bold;color:#131211}
 32 |   .mp em,.mp var {font-style:italic;color:#232221;text-decoration:none}
 33 |   .mp a,.mp a:link,.mp a:hover,.mp a code,.mp a pre,.mp a tt,.mp a kbd,.mp a samp {color:#0000ff}
 34 |   .mp b.man-ref {font-weight:normal;color:#434241}
 35 |   .mp pre {padding:0 4ex}
 36 |   .mp pre code {font-weight:normal;color:#434241}
 37 |   .mp h2+pre,h3+pre {padding-left:0}
 38 |   ol.man-decor,ol.man-decor li {margin:3px 0 10px 0;padding:0;float:left;width:33%;list-style-type:none;text-transform:uppercase;color:#999;letter-spacing:1px}
 39 |   ol.man-decor {width:100%}
 40 |   ol.man-decor li.tl {text-align:left}
 41 |   ol.man-decor li.tc {text-align:center;letter-spacing:4px}
 42 |   ol.man-decor li.tr {text-align:right;float:right}
 43 |   </style>
 44 |   <style type='text/css' media='all'>
 45 |   /* style: toc */
 46 |   .man-navigation {display:block !important;position:fixed;top:0;left:113ex;height:100%;width:100%;padding:48px 0 0 0;border-left:1px solid #dbdbdb;background:#eee}
 47 |   .man-navigation a,.man-navigation a:hover,.man-navigation a:link,.man-navigation a:visited {display:block;margin:0;padding:5px 2px 5px 30px;color:#999;text-decoration:none}
 48 |   .man-navigation a:hover {color:#111;text-decoration:underline}
 49 |   </style>
 50 | </head>
 51 | <!--
 52 |   The following styles are deprecated and will be removed at some point:
 53 |   div#man, div#man ol.man, div#man ol.head, div#man ol.man.
 54 | 
 55 |   The .man-page, .man-decor, .man-head, .man-foot, .man-title, and
 56 |   .man-navigation should be used instead.
 57 | -->
 58 | <body id='manpage'>
 59 |   <div class='mp' id='man'>
 60 | 
 61 |   <div class='man-navigation' style='display:none'>
 62 |     <a href="#NAME">NAME</a>
 63 |     <a href="#SYNOPSIS">SYNOPSIS</a>
 64 |     <a href="#DESCRIPTION">DESCRIPTION</a>
 65 |     <a href="#OPTIONS">OPTIONS</a>
 66 |     <a href="#COMMANDS">COMMANDS</a>
 67 |     <a href="#STATS">STATS</a>
 68 |     <a href="#ENVIRONMENT">ENVIRONMENT</a>
 69 |     <a href="#REPOSITORY">REPOSITORY</a>
 70 |     <a href="#COPYRIGHT">COPYRIGHT</a>
 71 |     <a href="#AUTHOR">AUTHOR</a>
 72 |     <a href="#SEE-ALSO">SEE ALSO</a>
 73 |   </div>
 74 | 
 75 |   <ol class='man-decor man-head man head'>
 76 |     <li class='tl'>dshb(1)</li>
 77 |     <li class='tc'></li>
 78 |     <li class='tr'>dshb(1)</li>
 79 |   </ol>
 80 | 
 81 |   <h2 id="NAME">NAME</h2>
 82 | <p class="man-name">
 83 |   <code>dshb</code> - <span class="man-whatis">macOS system monitor</span>
 84 | </p>
 85 | 
 86 | <h2 id="SYNOPSIS">SYNOPSIS</h2>
 87 | 
 88 | <p><code>dshb</code> [<code>-eu</code>][<code>-f</code> <var>frequency</var>]<br />
 89 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[<code>-h</code>]<br />
 90 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[<code>-v</code>]<br /></p>
 91 | 
 92 | <h2 id="DESCRIPTION">DESCRIPTION</h2>
 93 | 
 94 | <p>A macOS system monitor in Swift, inspired by top &amp; htop. Displays live readings
 95 | of system CPU &amp; memory usage, machine temperature sensors, fan speeds, battery
 96 | information and other miscellaneous system statistics. The ncurses based TUI
 97 | (text-based user interface) uses color coating to imply status and is fully
 98 | resizable. Stats are updated at one second intervals while still maintaining
 99 | low overhead (the observer effect is inescapable in this case sadly).</p>
100 | 
101 | <h2 id="OPTIONS">OPTIONS</h2>
102 | 
103 | <p>List of supported command line options (flags/switchs):</p>
104 | 
105 | <dl>
106 | <dt><code>-f</code>, <code>--frequency</code> <var>value</var></dt><dd><p>Statistic update frequency in seconds. Default is 1.</p></dd>
107 | <dt><code>-h</code>, <code>--help</code></dt><dd><p>Print the list of options.</p></dd>
108 | <dt><code>-u</code>, <code>--unknown-temperature-sensors</code></dt><dd><p>Show temperature sensors whose hardware mapping is unknown.</p></dd>
109 | <dt><code>-v</code>, <code>--version</code></dt><dd><p>Show dshb version.</p></dd>
110 | </dl>
111 | 
112 | 
113 | <h2 id="COMMANDS">COMMANDS</h2>
114 | 
115 | <p>List of supported interactive commands for use during application runtime:</p>
116 | 
117 | <dl>
118 | <dt class="flush"><code>q</code></dt><dd>Quit.</dd>
119 | </dl>
120 | 
121 | 
122 | <h2 id="STATS">STATS</h2>
123 | 
124 | <p>Statistic sections are defined as <em>"widgets"</em> (hence the name <em>dashboard</em> -
125 | metaphorically akin to macOS's Dashboard). Widgets are composed of related
126 | statistics. Here we look at the various widgets in detail.</p>
127 | 
128 | <dl>
129 | <dt class="flush"><code>Battery</code></dt><dd><p> <br />
130 | Displays information about the state of the battery. If the machine does not
131 | have a battery, this widget will not appear. The information includes
132 | <em>Charge</em>, <em>Capacity Degradation</em>, <em>Cycles</em> and <em>Time Remaining</em>.</p></dd>
133 | <dt class="flush"><code>CPU</code></dt><dd><p>Displays CPU usage broken down into <em>System</em>, <em>User</em>, <em>Idle</em> and <em>Nice</em>.</p></dd>
134 | <dt class="flush"><code>Fan</code></dt><dd><p>Displays a list of all the fans the machine has with the current speed
135 | (RPM - revolutions per minute) of each. All Intel based Macs to this point
136 | have at least one fan, with the exception of the newly added fanless
137 | MacBook.</p></dd>
138 | <dt class="flush"><code>Memory</code></dt><dd><p>Displays memory usage broken down into <em>Free</em>, <em>Wired</em>, <em>Active</em>,
139 | <em>Inactive</em> and <em>Compressed</em>.</p></dd>
140 | <dt class="flush"><code>System</code></dt><dd><p>Miscellaneous system stats including <em>Uptime</em>, <em>Processes</em> &amp; <em>Threads</em>
141 | (global counts), <em>Load Average</em> (1, 5 and 15 minute intervals) and <em>Mach
142 | Factor</em> (5, 30 and 60 second intervals).</p></dd>
143 | <dt><code>Temperature</code></dt><dd><p>Displays a list of the machine temperature sensors in Celsius. The list
144 | is exhaustive when the (<code>-u</code>) switch is used.</p>
145 | 
146 | <p>Note that the names of the known sensors may not be mapped to the correct
147 | hardware component. In addition, the maximum temperature of each individual
148 | sensor is not known. Thus, a global max of 128 degrees is used. This is all
149 | due to the fact that the SMC (System Management Controller) has a closed
150 | source driver, and thus information about it's inner workings is limited.</p>
151 | 
152 | <p>If a sensor has a value that is very high, constant, and completely
153 | disproportionate to the rest, then there is a chance that it is faulty. This
154 | could be due to bad or damaged hardware (liquid on the logic board). Run the
155 |  <em>Apple Diagnostics</em> (<em>Apple Hardware Test</em> for older machines) diagnostics
156 | suite in such a case to confirm.</p>
157 | 
158 | <p>Some sensors however report very low values, below zero. The current theory
159 | on this is that at lower temperatures the sensors have inaccurate readings.
160 | It maybe that they are located close to an internal fan, and the airflow is
161 | causing it to be skewed.</p></dd>
162 | </dl>
163 | 
164 | 
165 | <h2 id="ENVIRONMENT">ENVIRONMENT</h2>
166 | 
167 | <p>Due to Swift, dshb requires macOS 10.9 (Mavericks) and above. This implies an
168 | Intel based 64-bit machine. Of course, ncurses is required as well, but it
169 | should be installed by default as a part of macOS, as base install tools such as
170 | top, rely on it as well.</p>
171 | 
172 | <h2 id="REPOSITORY">REPOSITORY</h2>
173 | 
174 | <p><a href="https://github.com/beltex/dshb" data-bare-link="true">https://github.com/beltex/dshb</a></p>
175 | 
176 | <p>All project related matters, including source code, can be found at the GitHub
177 | repository listed above. In particular, the issue tracker, which can be used to
178 | report feedback, feature requests and bugs.</p>
179 | 
180 | <h2 id="COPYRIGHT">COPYRIGHT</h2>
181 | 
182 | <p>This project is under the <em>MIT License</em>.</p>
183 | 
184 | <h2 id="AUTHOR">AUTHOR</h2>
185 | 
186 | <p>beltex <a href="https://beltex.github.io" data-bare-link="true">https://beltex.github.io</a></p>
187 | 
188 | <p>Working on this always brought a smile to my face. I hope it brings a smile to
189 | yours too. Enjoy :)</p>
190 | 
191 | <h2 id="SEE-ALSO">SEE ALSO</h2>
192 | 
193 | <p><span class="man-ref">top<span class="s">(1)</span></span>, <span class="man-ref">htop<span class="s">(1)</span></span></p>
194 | 
195 | 
196 |   <ol class='man-decor man-foot man foot'>
197 |     <li class='tl'>0.2.0</li>
198 |     <li class='tc'>October 2017</li>
199 |     <li class='tr'>dshb(1)</li>
200 |   </ol>
201 | 
202 |   </div>
203 | </body>
204 | </html>
205 | 


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--------------------------------------------------------------------------------