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server_playback.go
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server_playback.go
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// Copyright 2015 Nevio Vesic
// Please check out LICENSE file for more information about what you CAN and what you CANNOT do!
// Basically in short this is a free software for you to do whatever you want to do BUT copyright must be included!
// I didn't write all of this code so you could say it's yours.
// MIT License
package main
import (
"flag"
"os"
"strings"
. "github.com/zyxar/eventsocket"
"github.com/zyxar/grace/sigutil"
)
var welcomeFile = flag.String("wav", "../media/welcome.wav", "set welcome wav file")
func main() {
flag.Parse()
if *welcomeFile == "" {
Error("welcome wav file not fould")
os.Exit(1)
}
{
file, err := os.Open(*welcomeFile)
if err != nil {
Error(err.Error())
os.Exit(1)
}
file.Close()
}
server, err := NewServer("localhost:8084")
if err != nil {
Error("Got error while starting Freeswitch outbound server: %s", err)
os.Exit(1)
}
Notice("starting server: %v", server.Addr())
server.Start(handle)
sigutil.Trap(func(s sigutil.Signal) {
Notice("shutting down server from receiving %s", s)
if err := server.Close(); err != nil {
Error("server close: %s", err)
}
server.Wait()
}, sigutil.SIGINT, sigutil.SIGTERM)
}
// handle - Running under goroutine here to explain how to handle playback ( play to the caller )
func handle(conn *SocketConnection) {
Debug("New incomming connection: %v", conn.RemoteAddr())
if err := conn.Connect(); err != nil {
Error("Got error while accepting connection: %s", err)
return
}
answer, err := conn.ExecuteAnswer("", false)
if err != nil {
Error("Got error while executing answer: %s", err)
return
}
Debug("Answer Message: %s", answer)
Debug("Caller UUID: %s", answer.GetHeader("Caller-Unique-Id"))
cUUID := answer.GetCallUUID()
if sm, err := conn.Execute("playback", *welcomeFile, true); err != nil {
Error("Got error while executing playback: %s", err)
return
} else {
Debug("Playback Message: %s", sm)
}
if hm, err := conn.ExecuteHangup(cUUID, "", false); err != nil {
Error("Got error while executing hangup: %s", err)
return
} else {
Debug("Hangup Message: %s", hm)
}
for {
msg, err := conn.ReadMessage()
if err != nil {
// If it contains EOF, we really dont care...
if !strings.Contains(err.Error(), "EOF") {
Error("Error while reading Freeswitch message: %s", err)
}
break
}
Debug("%s", msg)
}
}