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listener.go
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listener.go
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/*
Copyright NetFoundry, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package loop2
import (
"github.com/openziti/ziti/ziti-fabric-test/subcmd/loop2/pb"
"github.com/openziti/foundation/identity/dotziti"
"github.com/openziti/foundation/identity/identity"
"github.com/openziti/foundation/transport"
"github.com/michaelquigley/pfxlog"
"github.com/spf13/cobra"
)
func init() {
listenerCmd.Flags().StringVarP(&listenerCmdIdentity, "identity", "i", "default", ".ziti/identities.yml name")
listenerCmd.Flags().StringVarP(&listenerCmdBindAddress, "bind", "b", "tcp:127.0.0.1:8171", "Listener bind address")
loop2Cmd.AddCommand(listenerCmd)
}
var listenerCmd = &cobra.Command{
Use: "listener",
Short: "Start loop2 listener",
Args: cobra.ExactArgs(0),
Run: listener,
}
var listenerCmdIdentity string
var listenerCmdBindAddress string
func listener(_ *cobra.Command, _ []string) {
_, id, err := dotziti.LoadIdentity(listenerCmdIdentity)
if err != nil {
panic(err)
}
bindAddress, err := transport.ParseAddress(listenerCmdBindAddress)
if err != nil {
panic(err)
}
listen(bindAddress, id)
}
func listen(bind transport.Address, i *identity.TokenId) {
log := pfxlog.ContextLogger(bind.String())
defer log.Error("exited")
log.Info("started")
incoming := make(chan transport.Connection)
go func() {
if _, err := bind.Listen("loop", i, incoming); err != nil {
panic(err)
}
}()
for {
select {
case peer := <-incoming:
if peer != nil {
go handle(peer)
} else {
return
}
}
}
}
func handle(peer transport.Connection) {
log := pfxlog.ContextLogger(peer.Detail().String())
if proto, err := newProtocol(peer.Conn()); err == nil {
if test, err := proto.rxTest(); err == nil {
var result *loop2_pb.Result
if err := proto.run(test); err == nil {
result = &loop2_pb.Result{Success: true}
} else {
result = &loop2_pb.Result{Success: false, Message: err.Error()}
}
if err := proto.txResult(result); err != nil {
log.Errorf("unable to tx result (%s)", err)
}
}
} else {
log.Errorf("error creating new protocol (%s)", err)
}
}