1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2018 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"os"
"path/filepath"
"time"
"maunium.net/go/gomuks/config"
"maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/interface"
"maunium.net/go/gomuks/matrix"
"maunium.net/go/gomuks/ui"
"maunium.net/go/tview"
)
// Gomuks is the wrapper for everything.
type Gomuks struct {
app *tview.Application
ui *ui.GomuksUI
matrix *matrix.Container
debugMode bool
config *config.Config
stop chan bool
}
// NewGomuks creates a new Gomuks instance with everything initialized,
// but does not start it.
func NewGomuks(enableDebug bool) *Gomuks {
configDir := filepath.Join(os.Getenv("HOME"), ".config/gomuks")
gmx := &Gomuks{
app: tview.NewApplication(),
stop: make(chan bool, 1),
debugMode: enableDebug,
}
gmx.config = config.NewConfig(configDir)
gmx.ui = ui.NewGomuksUI(gmx)
gmx.matrix = matrix.NewContainer(gmx)
gmx.config.Load()
if len(gmx.config.UserID) > 0 {
_ = gmx.config.LoadSession(gmx.config.UserID)
}
_ = gmx.matrix.InitClient()
main := gmx.ui.InitViews()
gmx.app.SetRoot(main, true)
return gmx
}
// Save saves the active session and message history.
func (gmx *Gomuks) Save() {
if gmx.config.Session != nil {
debug.Print("Saving session...")
_ = gmx.config.Session.Save()
}
debug.Print("Saving history...")
gmx.ui.MainView().SaveAllHistory()
}
// StartAutosave calls Save() every minute until it receives a stop signal
// on the Gomuks.stop channel.
func (gmx *Gomuks) StartAutosave() {
defer gmx.Recover()
ticker := time.NewTicker(time.Minute)
for {
select {
case <-ticker.C:
gmx.Save()
case val := <-gmx.stop:
if val {
return
}
}
}
}
// Stop stops the Matrix syncer, the tview app and the autosave goroutine,
// then saves everything and calls os.Exit(0).
func (gmx *Gomuks) Stop() {
debug.Print("Disconnecting from Matrix...")
gmx.matrix.Stop()
debug.Print("Cleaning up UI...")
gmx.app.Stop()
gmx.stop <- true
gmx.Save()
os.Exit(0)
}
// Recover recovers a panic, closes the tcell screen and either re-panics or
// shows an user-friendly message about the panic depending on whether or not
// the debug mode is enabled.
func (gmx *Gomuks) Recover() {
if p := recover(); p != nil {
if gmx.App().GetScreen() != nil {
gmx.App().GetScreen().Fini()
}
if gmx.debugMode {
panic(p)
} else {
debug.PrettyPanic(p)
}
}
}
// Start opens a goroutine for the autosave loop and starts the tview app.
//
// If the tview app returns an error, it will be passed into panic(), which
// will be recovered as specified in Recover().
func (gmx *Gomuks) Start() {
defer gmx.Recover()
go gmx.StartAutosave()
if err := gmx.app.Run(); err != nil {
panic(err)
}
}
// Matrix returns the MatrixContainer instance.
func (gmx *Gomuks) Matrix() ifc.MatrixContainer {
return gmx.matrix
}
// App returns the tview Application instance.
func (gmx *Gomuks) App() *tview.Application {
return gmx.app
}
// Config returns the Gomuks config instance.
func (gmx *Gomuks) Config() *config.Config {
return gmx.config
}
// UI returns the Gomuks UI instance.
func (gmx *Gomuks) UI() ifc.GomuksUI {
return gmx.ui
}
func main() {
enableDebug := len(os.Getenv("DEBUG")) > 0
NewGomuks(enableDebug).Start()
// We use os.Exit() everywhere, so exiting by returning from Start() shouldn't happen.
time.Sleep(5 * time.Second)
fmt.Println("Unexpected exit by return from Gomuks#Start().")
os.Exit(2)
}
|
