mirror of
https://github.com/openziti/ziti.git
synced 2026-10-12 15:28:05 +00:00
Michael Quigley
129 lines
3.0 KiB
Go
129 lines
3.0 KiB
Go
// +build utils
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/*
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Copyright NetFoundry, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"fmt"
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"github.com/michaelquigley/pfxlog"
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"github.com/openziti/foundation/util/debugz"
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"github.com/openziti/sdk-golang/ziti"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"io"
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)
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func init() {
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pfxlog.Global(logrus.InfoLevel)
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pfxlog.SetPrefix("github.com/openziti/")
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pfxlog.SetDefaultNoColor()
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}
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func init() {
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root.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Enable verbose logging")
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root.PersistentFlags().StringVar(&logFormatter, "log-formatter", "", "Specify log formatter [json|pfxlog|text]")
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root.Flags().SetInterspersed(true)
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}
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var root = &cobra.Command{
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Use: "sdk-echo-server <service>",
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Short: "Echos incoming data",
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PersistentPreRun: func(cmd *cobra.Command, args []string) {
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if verbose {
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logrus.SetLevel(logrus.DebugLevel)
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}
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switch logFormatter {
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case "pfxlog":
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logrus.SetFormatter(pfxlog.NewFormatterStartingToday())
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case "json":
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logrus.SetFormatter(&logrus.JSONFormatter{TimestampFormat: "2006-01-02T15:04:05.000Z"})
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case "text":
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logrus.SetFormatter(&logrus.TextFormatter{})
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default:
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// let logrus do its own thing
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}
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},
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Args: cobra.RangeArgs(0, 1),
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Run: runFunc,
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}
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var verbose bool
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var logFormatter string
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func main() {
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debugz.AddStackDumpHandler()
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if err := root.Execute(); err != nil {
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fmt.Printf("error: %s", err)
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}
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}
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func runFunc(_ *cobra.Command, args []string) {
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log := pfxlog.Logger()
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ztContext := ziti.NewContext()
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service := "echo"
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if len(args) > 0 {
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service = args[0]
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log.Infof("Using service %v", service)
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} else {
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log.Infof("No service provided, using service %v: ", service)
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}
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listener, err := ztContext.Listen(service)
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if err != nil {
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log.Fatalf("failed to host service %v: %v", service, err)
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}
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for {
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conn, err := listener.Accept()
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if err != nil {
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panic(err)
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}
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log.Infof("Connection received: %v", conn)
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go echo(conn)
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}
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}
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func echo(conn io.ReadWriteCloser) {
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log := pfxlog.Logger().WithField("conn", conn)
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defer func() {
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if err := conn.Close(); err != nil {
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log.WithError(err).Error("Error while closing connection")
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}
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log.Info("Connection closed")
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}()
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for {
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buf := make([]byte, 1024)
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n, err := conn.Read(buf)
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if err != nil {
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log.WithError(err).Error("Error while reading")
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break
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}
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log.Infof("Read %v bytes\n", n)
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writeBuf := buf[:n]
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if _, err := conn.Write(writeBuf); err != nil {
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log.WithError(err).Error("Error while writing")
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break
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}
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log.Infof("Wrote %v bytes\n", n)
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}
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}
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