// Run executes the RPC call(s). It is synchronous - it will wait for all requestrs
// to return or timeout.
func (r *RPCCall) Run() error {
// Send all the RPC calls in go routines.
var sendTime time.Time
if showRunTimes {
sendTime = time.Now()
}
err := r.send()
if err != nil {
msg := fmt.Sprintf("Error starting RPC calls.")
log.Error(msg)
return errors.New(msg)
}
// Collect responses via the "r.results" channel.
if r.processes > 0 {
var timedout bool
timeout := common.TimeoutChan(rpcTimeout)
for !timedout {
select {
case answer := <-r.results:
r.adpList[answer.adapter.ID] = answer
r.processes--
if answer.err != nil {
r.errs = append(r.errs, answer.err)
log.Errorf("RPC call to: %q failed - %s", answer.adapter.ID, answer.err)
break
}
// log.Debug("Answer: %s", answer.response)
r.process(answer.response)
case timedout = <-timeout:
}
if r.processes == 0 {
break
}
}
if timedout {
for k, v := range r.adpList {
if v == nil {
log.Errorf("Adapter: %q timed out", k)
}
}
}
}
if showRunTimes {
log.Info("RPC Call: %q took: %s", r.service, time.Since(sendTime))
}
return nil
}
func (sd *ServicesData) Refresh() error {
serviceCall := "Service.All"
log.Info("Refreshing Services List...")
creq := structs.NServiceRequest{
City: "",
}
// log.Debug("%+v\n", creq)
var responses []interface{}
for range adapters.Adapters {
responses = append(responses, &structs.NServicesResponse{})
}
done, listIF, processes, _ := callRPCs(serviceCall, &creq, responses)
log.Debug(" Processes: %d", processes)
if processes > 0 {
sd.Lock()
defer sd.Unlock()
timeout := common.TimeoutChan(rpcTimeout)
timedout := false
for !timedout {
select {
case answer := <-done:
processes--
if answer.Error != nil {
log.Errorf("RPC call %q failed: %s\n", serviceCall, answer.Error)
break
}
r := answer.Reply.(*structs.NServicesResponse)
listIF[r.IFID].replied = true
log.Debug("\tMerging Services list for %q", r.IFID)
sd.merge(&r.Services)
case timedout = <-timeout:
}
if processes <= 0 {
break
}
}
failed := false
for k, v := range listIF {
switch {
case v.sent && !v.replied:
log.Errorf("RPC call %q to: %s timed out.", serviceCall, k)
failed = true
case !v.sent:
log.Errorf("Engine and Adapter configs are out of synch - received reply from: %s", k)
failed = true
}
}
if failed {
log.Error("Service List refresh FAILED!")
} else {
log.Info("Service List refresh complete...")
}
}
// log.Debug(spew.Sdump(sd))
return nil
}