/
main.go
132 lines (119 loc) · 4.07 KB
/
main.go
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package main
import (
"bufio"
"context"
"net"
"os"
"os/signal"
"runtime/trace"
"sync"
"syscall"
"time"
"github.com/genmzy/goesl"
)
const timeFormat = "2006-01-02 15:04:05"
var (
authRequest = []byte("Content-Type: auth/request\r\n\r\n")
authReply = []byte("Content-Type: command/reply\r\nReply-Text: +OK accepted\r\n\r\n")
heartbeat = []byte("Content-Length: 914\r\nContent-Type: text/event-plain\r\n\r\nEvent-Name: HEARTBEAT\r\nCore-UUID: 3f531e10-0b35-4f5a-abdc-0f6c058095a5\r\nFreeSWITCH-Hostname: sza92131\r\nFreeSWITCH-Switchname: sza92131\r\nFreeSWITCH-IPv4: 10.132.92.131\r\nFreeSWITCH-IPv6: ::1\r\nEvent-Date-Local: 2022-03-23 16:27:45\r\nEvent-Date-GMT: Wed, 23 Mar 2022 08:27:45 GMT\r\nEvent-Date-Timestamp: 1648024065289541\r\nEvent-Calling-File: switch_core.c\r\nEvent-Calling-Function: send_heartbeat\r\nEvent-Calling-Line-Number: 81\r\nEvent-Sequence: 57728710\r\nEvent-Info: System Ready\r\nUp-Time: 0 years, 78 days, 2 hours, 11 minutes, 40 seconds, 201 milliseconds, 301 microseconds\r\nFreeSWITCH-Version: 1.10.5-release+git~20200818T185121Z~25569c1631~64bit\r\nUptime-msec: 6747100201\r\nSession-Count: 39\r\nMax-Sessions: 2000\r\nSession-Per-Sec: 399\r\nSession-Per-Sec-Last: 7\r\nSession-Per-Sec-Max: 169\r\nSession-Per-Sec-FiveMin: 12\r\nSession-Since-Startup: 1862025\r\nSession-Peak-Max: 358\r\nSession-Peak-FiveMin: 73\r\nIdle-CPU: 99.233333\r\n\r\n")
plainReply = []byte("Content-Type: command/reply\r\nReply-Text: +OK\r\n\r\n")
)
type Handler struct{}
func (h *Handler) OnConnect(conn *goesl.Connection) {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
conn.MustSendOK(ctx, "event", "plain", "ALL")
}
func (h *Handler) OnDisconnect(conn *goesl.Connection, e goesl.Event) {
goesl.Noticef("esl disconnected: %v", e)
}
func (h *Handler) OnClose(con *goesl.Connection) {
goesl.Noticef("esl connection closed")
}
func (h *Handler) OnEvent(ctx context.Context, con *goesl.Connection, e goesl.Event) {
go func() {
time.Sleep(2 * time.Millisecond)
goesl.Noticef("%s with fire time: %s\n", e.Name(), e.FireTime().StdTime().Format(timeFormat))
}()
}
func (h *Handler) OnFslog(ctx context.Context, con *goesl.Connection, fslog goesl.Fslog) {
}
func main() {
listener, err := net.Listen("tcp", ":8071")
if err != nil {
goesl.Fatalf(err.Error())
}
defer listener.Close()
go func() {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
defer signal.Stop(sigs)
tracer, err := os.Create("./bin/trace.out")
if err != nil {
goesl.Fatalf("create file trace.out failed: %v", err)
}
defer tracer.Close()
trace.Start(tracer)
defer trace.Stop()
time.Sleep(2 * time.Second)
goesl.Debugf("call start")
f, err := os.OpenFile(
"./log/event_generator.log",
os.O_TRUNC|os.O_WRONLY|os.O_CREATE,
0644,
)
if err != nil {
goesl.Fatalf(err.Error())
}
defer f.Close()
conn, err := goesl.Dial(":8071", "ClueCon", &Handler{},
goesl.WithDefaultAutoRedial(),
goesl.WithHeartBeat(20*time.Second),
goesl.WithNetDelay(2*time.Second),
goesl.WithMaxRetries(-1),
goesl.WithLogLevel(goesl.LevelDebug),
goesl.WithLogOutput(f),
goesl.WithLogPrefix("<event_generator>"),
)
if err != nil {
goesl.Fatalf(err.Error())
}
ctx, cancel := context.WithCancel(context.Background())
go func() {
<-sigs
cancel()
conn.Close()
}()
conn.HandleEvents(ctx)
cancel()
}()
conn, err := listener.Accept()
if err != nil {
goesl.Fatalf(err.Error())
}
defer conn.Close()
writer := bufio.NewReadWriter(bufio.NewReaderSize(conn, 16*1024), bufio.NewWriter(conn))
once := sync.Once{}
once.Do(func() {
buffer := [512]byte{}
writer.Write(authRequest)
writer.Flush()
// read auth ClueCon\r\n
writer.Read(buffer[:])
writer.Write(authReply)
writer.Flush()
// read event plain heartbeat
writer.Read(buffer[:])
writer.Write(plainReply)
writer.Flush()
writer.Read(buffer[:])
writer.Write(plainReply)
writer.Flush()
})
for {
// time.Sleep(2 * time.Microsecond)
time.Sleep(2 * time.Millisecond)
writer.Write(heartbeat)
writer.Flush()
}
}