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websocket_test.go
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websocket_test.go
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package main
import (
"context"
"fmt"
log "github.com/cantara/bragi/sbragi"
"github.com/cantara/gober/webserver"
"github.com/cantara/gober/websocket"
"github.com/cantara/nerthus2/message"
"github.com/gin-gonic/gin"
"net/url"
"reflect"
"sync"
"testing"
"time"
)
func TestWebsucker(t *testing.T) {
serv, err := webserver.Init(4123, true)
if err != nil {
t.Error(err)
return
}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
time.Sleep(10 * time.Second)
hostChan, ok := hostActions.Get("test-probe")
if !ok {
hostChan = make(chan message.Action, 10)
hostActions.Set("test-probe", hostChan)
}
for i := 0; i < 10; i++ {
hostChan <- message.Action{
Action: fmt.Sprintf("test-action-%d", i),
Data: make([]byte, 1024),
ExtraVars: nil,
Response: nil,
}
time.Sleep(250 * time.Millisecond)
}
//close(hostChan)
}()
websocket.Serve[message.Action](serv.API, "/probe/:host", nil, func(reader <-chan message.Action, writer chan<- websocket.Write[message.Action], p gin.Params, ctx context.Context) {
defer close(writer)
host := p.ByName("host")
log.Info("opening websocket", "host", host)
defer log.Info("closed websocket", "host", host)
go func() {
for msg := range reader {
if msg.Response == nil {
log.Warning("read action response without response", "action", msg)
continue
}
log.Info("response from action", "message", msg.Response.Message, "status", msg.Response.Status)
}
}()
hostChan, ok := hostActions.Get(host)
if !ok {
hostChan = make(chan message.Action, 10)
hostActions.Set(host, hostChan)
}
for a := range hostChan {
errChan := make(chan error, 1)
action := websocket.Write[message.Action]{
Data: a,
Err: errChan,
}
select {
case <-ctx.Done():
return
case writer <- action:
err := <-errChan
if err != nil {
log.WithError(err).Error("unable to write action to nerthus probe",
"action_type", reflect.TypeOf(action))
return //TODO continue
}
}
}
log.Info("writing closed, ending websocket function")
})
wg.Add(1)
go func() {
defer wg.Done()
uri := "ws://localhost:4123/probe/test-probe"
u, err := url.Parse(uri)
if err != nil {
log.WithError(err).Fatal("while parsing url to nerthus", "url", uri)
}
reader, writer, err := websocket.Dial[message.Action](u, context.Background())
if err != nil {
log.WithError(err).Error("while connecting to nerthus", "url", u.String())
time.Sleep(15 * time.Second)
return
}
defer close(writer)
num := 0
for action := range reader {
ActionHandler(action, writer)
num++
if num == 10 {
return
}
//action.Response = &resp
/*
errChan := make(chan error, 1)
select {
case <-ctx.Done():
return
case writer <- websocket.Write[message.Action]{
Data: action,
Err: errChan,
}:
err := <-errChan
if err != nil {
log.WithError(err).Error("unable to write response to nerthus", "response", resp, "action", action,
"url", u.String(), "response_type", reflect.TypeOf(resp), "action_type", reflect.TypeOf(action))
return //TODO: continue
}
}
*/
}
}()
go serv.Run()
wg.Wait()
}
func ActionHandler(action message.Action, resp chan<- websocket.Write[message.Action]) {
log.Info("action", "type", action.Action)
time.Sleep(1 * time.Second)
for i := 0; i < 5; i++ {
resp <- websocket.Write[message.Action]{
Data: message.Action{
Action: action.Action,
Response: &message.Response{
Status: "Finished",
Message: fmt.Sprintf("Test message %d", i),
Error: nil,
},
},
}
}
return
}