func mergeNetworkPayloads(networkPayloads []spec.NetworkPayload) (spec.NetworkPayload, error) {
if len(networkPayloads) == 0 {
return nil, maskAny(networkPayloadNotFoundError)
}
var args []reflect.Value
var sources []string
for _, np := range networkPayloads {
for _, v := range np.GetArgs() {
args = append(args, v)
}
sources = append(sources, np.GetSources()...)
}
ctx := networkPayloads[0].GetContext()
behaviourID, ok := ctx.GetBehaviourID()
if !ok {
return nil, maskAnyf(invalidBehaviourIDError, "must not be empty")
}
networkPayloadConfig := networkpayload.DefaultConfig()
networkPayloadConfig.Args = args
networkPayloadConfig.Context = ctx
networkPayloadConfig.Destination = string(behaviourID)
networkPayloadConfig.Sources = sources
networkPayload, err := networkpayload.New(networkPayloadConfig)
if err != nil {
return nil, maskAny(err)
}
return networkPayload, nil
}
func testMustNew(t *testing.T, ctx objectspec.Context, input string) objectspec.NetworkPayload {
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = []reflect.Value{reflect.ValueOf(input)}
newNetworkPayloadConfig.Context = ctx
newNetworkPayloadConfig.Destination = "destination"
newNetworkPayloadConfig.Sources = []string{"source"}
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
t.Fatal("expected", nil, "got", err)
}
return newNetworkPayload
}
func (f *forwarder) GetNetworkPayloads(CLG systemspec.CLG, networkPayload objectspec.NetworkPayload) ([]objectspec.NetworkPayload, error) {
ctx := networkPayload.GetContext()
// Check if there are behaviour IDs known that we can use to forward the
// current network payload to.
behaviourID, ok := ctx.GetBehaviourID()
if !ok {
return nil, maskAnyf(invalidBehaviourIDError, "must not be empty")
}
behaviourIDsKey := key.NewNetworkKey("forward:configuration:behaviour-id:%s:behaviour-ids", behaviourID)
newBehaviourIDs, err := f.Storage().General().GetAllFromSet(behaviourIDsKey)
if storage.IsNotFound(err) {
// No configuration of behaviour IDs is stored. Thus we return an error.
// Eventually some other lookup is able to find sufficient network payloads.
return nil, maskAny(networkPayloadsNotFoundError)
} else if err != nil {
return nil, maskAny(err)
}
// Create a list of new network payloads.
var newNetworkPayloads []objectspec.NetworkPayload
for _, behaviourID := range newBehaviourIDs {
// Prepare a new context for the new network payload.
newCtx := ctx.Clone()
newCtx.SetBehaviourID(behaviourID)
// Create a new network payload.
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = networkPayload.GetArgs()
newNetworkPayloadConfig.Context = newCtx
newNetworkPayloadConfig.Destination = string(behaviourID)
newNetworkPayloadConfig.Sources = []string{networkPayload.GetDestination()}
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
return nil, maskAny(err)
}
newNetworkPayloads = append(newNetworkPayloads, newNetworkPayload)
}
return newNetworkPayloads, nil
}
func (n *network) Calculate(CLG systemspec.CLG, networkPayload objectspec.NetworkPayload) (objectspec.NetworkPayload, error) {
n.Log.WithTags(systemspec.Tags{C: nil, L: "D", O: n, V: 13}, "call Calculate")
outputs, err := filterError(reflect.ValueOf(CLG.GetCalculate()).Call(networkPayload.GetCLGInput()))
if err != nil {
return nil, maskAny(err)
}
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = outputs
newNetworkPayloadConfig.Context = networkPayload.GetContext()
newNetworkPayloadConfig.Destination = networkPayload.GetDestination()
newNetworkPayloadConfig.Sources = networkPayload.GetSources()
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
return nil, maskAny(err)
}
return newNetworkPayload, nil
}
func (f *forwarder) News(CLG systemspec.CLG, networkPayload objectspec.NetworkPayload) ([]objectspec.NetworkPayload, error) {
ctx := networkPayload.GetContext()
// Decide how many new behaviour IDs should be created. This defines the
// number of signals being forwarded to other CLGs. Here we want to make a
// pseudo random decision. CreateMax takes a max paramater which is exclusive.
// Therefore we increment the configuration for the maximum signals desired by
// one, to reflect the maximum setting properly.
maxSignals, err := f.Service().Random().CreateMax(f.GetMaxSignals() + 1)
if err != nil {
return nil, maskAny(err)
}
// Create the desired number of behaviour IDs.
var newBehaviourIDs []string
for i := 0; i < maxSignals; i++ {
newBehaviourID, err := f.Service().ID().New()
if err != nil {
return nil, maskAny(err)
}
newBehaviourIDs = append(newBehaviourIDs, string(newBehaviourID))
}
// TODO find a CLG name that can be connected to the current CLG for each new
// behaviour ID and pair these combinations (network event tracker)
// Store each new behaviour ID in the underlying storage.
behaviourID, ok := ctx.GetBehaviourID()
if !ok {
return nil, maskAnyf(invalidBehaviourIDError, "must not be empty")
}
behaviourIDsKey := key.NewNetworkKey("forward:configuration:behaviour-id:%s:behaviour-ids", behaviourID)
for _, behaviourID := range newBehaviourIDs {
// TODO store asynchronuously
err = f.Storage().General().PushToSet(behaviourIDsKey, behaviourID)
if err != nil {
return nil, maskAny(err)
}
}
// Create a list of new network payloads.
var newNetworkPayloads []objectspec.NetworkPayload
for _, behaviourID := range newBehaviourIDs {
// Prepare a new context for the new network payload.
newCtx := ctx.Clone()
newCtx.SetBehaviourID(behaviourID)
// TODO set the paired CLG name to the new context
// Create a new network payload.
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = networkPayload.GetArgs()
newNetworkPayloadConfig.Context = newCtx
newNetworkPayloadConfig.Destination = string(behaviourID)
newNetworkPayloadConfig.Sources = []string{networkPayload.GetDestination()}
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
return nil, maskAny(err)
}
newNetworkPayloads = append(newNetworkPayloads, newNetworkPayload)
}
return newNetworkPayloads, nil
}
func (n *network) InputHandler(CLG systemspec.CLG, textInput objectspec.TextInput) error {
// In case the text request defines the echo flag, we overwrite the given CLG
// directly to the output CLG. This will cause the created network payload to
// be forwarded to the output CLG without indirection. Note that this should
// only be used for testing purposes to bypass more complex neural network
// activities to directly respond with the received input.
if textInput.GetEcho() {
var ok bool
CLG, ok = n.CLGs["output"]
if !ok {
return maskAnyf(clgNotFoundError, "name: %s", "output")
}
}
// Create new IDs for the new CLG tree and the input CLG.
clgTreeID, err := n.Service().ID().New()
if err != nil {
return maskAny(err)
}
behaviourID, err := n.Service().ID().New()
if err != nil {
return maskAny(err)
}
// Create a new context and adapt it using the information of the current scope.
ctx := context.MustNew()
ctx.SetBehaviourID(string(behaviourID))
ctx.SetCLGName(CLG.GetName())
ctx.SetCLGTreeID(string(clgTreeID))
ctx.SetExpectation(textInput.GetExpectation())
ctx.SetSessionID(textInput.GetSessionID())
// We transform the received text request to a network payload to have a
// conventional data structure within the neural network.
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = []reflect.Value{reflect.ValueOf(textInput.GetInput())}
newNetworkPayloadConfig.Context = ctx
newNetworkPayloadConfig.Destination = behaviourID
newNetworkPayloadConfig.Sources = []string{n.GetID()}
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
return maskAny(err)
}
// Write the new CLG tree ID to reference the input CLG ID and add the CLG
// tree ID to the new context.
firstBehaviourIDKey := key.NewNetworkKey("clg-tree-id:%s:first-behaviour-id", clgTreeID)
err = n.Storage().General().Set(firstBehaviourIDKey, string(behaviourID))
if err != nil {
return maskAny(err)
}
// Write the transformed network payload to the queue.
eventKey := key.NewNetworkKey("event:network-payload")
b, err := json.Marshal(newNetworkPayload)
if err != nil {
return maskAny(err)
}
err = n.Storage().General().PushToList(eventKey, string(b))
if err != nil {
return maskAny(err)
}
return nil
}
func (c *clg) forwardNetworkPayload(ctx spec.Context, informationSequence string) error {
// Find the original information sequence using the information ID from the
// context.
informationID, ok := ctx.GetInformationID()
if !ok {
return maskAnyf(invalidInformationIDError, "must not be empty")
}
informationSequenceKey := key.NewNetworkKey("information-id:%s:information-sequence", informationID)
informationSequence, err := c.Storage().General().Get(informationSequenceKey)
if err != nil {
return maskAny(err)
}
// Find the first behaviour ID using the CLG tree ID from the context. The
// behaviour ID we are looking up here is the ID of the initial input CLG.
clgTreeID, ok := ctx.GetCLGTreeID()
if !ok {
return maskAnyf(invalidCLGTreeIDError, "must not be empty")
}
firstBehaviourIDKey := key.NewNetworkKey("clg-tree-id:%s:first-behaviour-id", clgTreeID)
inputBehaviourID, err := c.Storage().General().Get(firstBehaviourIDKey)
if err != nil {
return maskAny(err)
}
// Lookup the behaviour ID of the current output CLG. Below we are using this
// to set the source of the new network payload accordingly.
outputBehaviourID, ok := ctx.GetBehaviourID()
if !ok {
return maskAnyf(invalidBehaviourIDError, "must not be empty")
}
// Create a new contect using the given context and adapt the new context with
// the information of the current scope.
newCtx := ctx.Clone()
newCtx.SetBehaviourID(inputBehaviourID)
newCtx.SetCLGName("input")
newCtx.SetCLGTreeID(clgTreeID)
// We do not need to set the expectation because it never changes.
// We do not need to set the session ID because it never changes.
// Create a new network payload.
newNetworkPayloadConfig := networkpayload.DefaultConfig()
newNetworkPayloadConfig.Args = []reflect.Value{reflect.ValueOf(informationSequence)}
newNetworkPayloadConfig.Context = newCtx
newNetworkPayloadConfig.Destination = string(inputBehaviourID)
newNetworkPayloadConfig.Sources = []string{string(outputBehaviourID)}
newNetworkPayload, err := networkpayload.New(newNetworkPayloadConfig)
if err != nil {
return maskAny(err)
}
// Write the transformed network payload to the queue.
networkPayloadKey := key.NewNetworkKey("events:network-payload")
b, err := json.Marshal(newNetworkPayload)
if err != nil {
return maskAny(err)
}
err = c.Storage().General().PushToList(networkPayloadKey, string(b))
if err != nil {
return maskAny(err)
}
return nil
}