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
166
167
168
169
170
171
172
173
|
//
// rhctl
//
// Copyright (C) 2009-2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of rhctl.
//
// rhctl 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
// any later version.
//
// rhctl 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 rhctl. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"flag"
"fmt"
"io/ioutil"
"log"
"os"
)
var (
rhl = log.New(os.Stderr, "[rhctl]\t", log.LstdFlags)
rhdl = log.New(ioutil.Discard, "[rhctl-dbg]\t", log.LstdFlags)
)
func init() {
if _, exists := os.LookupEnv("RHCTL_DEBUG"); exists {
rhdl.SetOutput(os.Stderr)
}
}
type envStringValue string
func newEnvStringValue(key, dflt string) *envStringValue {
if envval, exists := os.LookupEnv(key); exists {
return (*envStringValue)(&envval)
} else {
return (*envStringValue)(&dflt)
}
}
func (s *envStringValue) Set(val string) error {
*s = envStringValue(val)
return nil
}
func (s *envStringValue) Get() interface{} { return string(*s) }
func (s *envStringValue) String() string { return fmt.Sprintf("%s", *s) }
func main() {
configFile := newEnvStringValue("RHCTL_CONFIG_FILE", "/etc/rhctl/config.toml")
flag.Var(configFile, "conf", "path to the configuration file (environment: RHCTL_CONFIG_FILE)")
help := flag.Bool("help", false, "show usage")
flag.Parse()
if *help {
flag.Usage()
return
}
conf, err := ReadConfig(configFile.Get().(string))
if err != nil {
rhl.Println("Error reading configuration:", err.Error())
return
}
rhl.Printf("just started...")
rhdl.Printf("configuration: %+v", conf)
//**************************************************
// initializing essential parts
sw, err := SwitchInit(conf)
if err != nil {
rhl.Println("error initializing audio switch: ", err)
return
}
var servers []*PlayoutServer
for s, _ := range conf.Servers {
server, err := ServerInit(s, conf)
if err != nil {
rhl.Printf("error initializing playout-server(%s): %v", s, err)
return
}
servers = append(servers, server)
}
if len(servers) <= 0 {
rhl.Printf("Error: there is no playout server configured...")
return
}
ctrl := SwitchControlInit(conf, sw, servers)
// initializing non-essential parts, like control-interfaces aka clients
telnet, err := TelnetInit(conf, ctrl)
if err != nil {
rhl.Printf("Error: failed to initialize telnet interface: %v", err)
return
}
web := WebInit(conf, ctrl)
nop, err := NopTCPInit(conf, ctrl)
if err != nil {
rhl.Printf("Error: failed to initialize nop-tcp interface: %v", err)
return
}
//**************************************************
// running essential parts
stop := make(chan bool)
go func() {
rhl.Printf("starting audioswitch handler")
sw.Run()
rhl.Printf("audioswitch handler has stopped")
stop <- true
}()
for _, server := range servers {
go func(server *PlayoutServer) {
rhl.Printf("starting playout-server(%s) handler", server.name)
server.Run()
rhl.Printf("playout-server(%s) handler has stopped", server.name)
stop <- true
}(server)
}
go func() {
rhl.Printf("starting switch control")
ctrl.Run()
rhl.Printf("switch control has stopped")
stop <- true
}()
// running non-essential parts
if conf.Clients.Telnet.Address != "" {
go func() {
rhl.Printf("starting telnet interface")
telnet.Run()
rhl.Printf("telnet interface just stopped")
}()
}
if conf.Clients.Web.Address != "" {
go func() {
rhl.Printf("starting web interface")
web.Run()
rhl.Printf("web interface just stopped")
}()
}
if conf.Clients.Noptcp.Address != "" {
go func() {
rhl.Printf("starting nop-tcp interface")
nop.Run()
rhl.Printf("nop-tcp interface just stopped")
}()
}
//**************************************************
<-stop
rhl.Printf("at least one essential part has stopped - bringing down the whole process")
}
|
