_id stringlengths 2 7 | title stringlengths 1 118 | partition stringclasses 3
values | text stringlengths 52 85.5k | language stringclasses 1
value | meta_information dict |
|---|---|---|---|---|---|
q11800 | oneServiceHandler | train | func (s *SidecarApi) oneServiceHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
response.Header().Set("Access-Control-Allow-Origin", "*")
response.Header().Set("Access-Control-Allow-Methods", "GET")
response.Header().Set("Content-Type", "application/json")... | go | {
"resource": ""
} |
q11801 | servicesHandler | train | func (s *SidecarApi) servicesHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
response.Header().Set("Access-Control-Allow-Origin", "*")
response.Header().Set("Access-Control-Allow-Methods", "GET")
// We only support JSON
if params["extension"] != "json" ... | go | {
"resource": ""
} |
q11802 | stateHandler | train | func (s *SidecarApi) stateHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
s.state.RLock()
defer s.state.RUnlock()
if params["extension"] != "json" {
sendJsonError(response, 404, "Not Found - Invalid content type extension")
return
}
response.Heade... | go | {
"resource": ""
} |
q11803 | sendJsonError | train | func sendJsonError(response http.ResponseWriter, status int, message string) {
output := map[string]string{
"status": "error",
"message": message,
}
jsonBytes, err := json.Marshal(output)
if err != nil {
log.Errorf("Error encoding json error response: %s", err.Error())
response.WriteHeader(500)
respons... | go | {
"resource": ""
} |
q11804 | defaultCheckForService | train | func (m *Monitor) defaultCheckForService(svc *service.Service) *Check {
port := findFirstTCPPort(svc)
if port == nil {
return &Check{ID: svc.ID, Command: &AlwaysSuccessfulCmd{}}
}
// Use the const default unless we've been provided something else
defaultCheckEndpoint := DEFAULT_STATUS_ENDPOINT
if len(m.Default... | go | {
"resource": ""
} |
q11805 | fetchCheckForService | train | func (m *Monitor) fetchCheckForService(svc *service.Service, disco discovery.Discoverer) *Check {
check := &Check{}
check.Type, check.Args = disco.HealthCheck(svc)
if check.Type == "" {
log.Warnf("Got empty check type for service %s (id: %s) with args: %s!", svc.Name, svc.ID, check.Args)
return nil
}
// Setu... | go | {
"resource": ""
} |
q11806 | templateCheckArgs | train | func (m *Monitor) templateCheckArgs(check *Check, svc *service.Service) string {
funcMap := template.FuncMap{
"tcp": func(p int64) int64 { return svc.PortForServicePort(p, "tcp") },
"udp": func(p int64) int64 { return svc.PortForServicePort(p, "udp") },
"host": func() string { return m.DefaultCh... | go | {
"resource": ""
} |
q11807 | CheckForService | train | func (m *Monitor) CheckForService(svc *service.Service, disco discovery.Discoverer) *Check {
check := m.fetchCheckForService(svc, disco)
if check == nil { // We got nothing
log.Warnf("Using default check for service %s (id: %s).", svc.Name, svc.ID)
check = m.defaultCheckForService(svc)
}
check.Args = m.templat... | go | {
"resource": ""
} |
q11808 | Watch | train | func (m *Monitor) Watch(disco discovery.Discoverer, looper director.Looper) {
m.DiscoveryFn = disco.Services // Store this so we can use it from Services()
looper.Loop(func() error {
services := disco.Services()
// Add checks when new services are found
for _, svc := range services {
if m.Checks[svc.ID] ==... | go | {
"resource": ""
} |
q11809 | Services | train | func (d *StaticDiscovery) Services() []service.Service {
var services []service.Service
for _, target := range d.Targets {
target.Service.Updated = time.Now().UTC()
services = append(services, target.Service)
}
return services
} | go | {
"resource": ""
} |
q11810 | Listeners | train | func (d *StaticDiscovery) Listeners() []ChangeListener {
var listeners []ChangeListener
for _, target := range d.Targets {
if target.ListenPort > 0 {
listener := ChangeListener{
Name: target.Service.ListenerName(),
Url: fmt.Sprintf("http://%s:%d/sidecar/update", d.Hostname, target.ListenPort),
}
l... | go | {
"resource": ""
} |
q11811 | Run | train | func (d *StaticDiscovery) Run(looper director.Looper) {
var err error
d.Targets, err = d.ParseConfig(d.ConfigFile)
if err != nil {
log.Errorf("StaticDiscovery cannot parse: %s", err.Error())
looper.Done(nil)
}
} | go | {
"resource": ""
} |
q11812 | ParseConfig | train | func (d *StaticDiscovery) ParseConfig(filename string) ([]*Target, error) {
file, err := ioutil.ReadFile(filename)
if err != nil {
log.Errorf("Unable to read announcements file: '%s!'", err.Error())
return nil, err
}
var targets []*Target
err = json.Unmarshal(file, &targets)
if err != nil {
return nil, fmt... | go | {
"resource": ""
} |
q11813 | RandomHex | train | func RandomHex(count int) ([]byte, error) {
raw := make([]byte, count)
_, err := rand.Read(raw)
if err != nil {
log.Errorf("RandomBytes(): Error %s", err.Error())
return nil, err
}
encoded := make([]byte, count*2)
hex.Encode(encoded, raw)
return encoded, nil
} | go | {
"resource": ""
} |
q11814 | optionsHandler | train | func (s *EnvoyApi) optionsHandler(response http.ResponseWriter, req *http.Request) {
response.Header().Set("Access-Control-Allow-Origin", "*")
response.Header().Set("Access-Control-Allow-Methods", "GET")
return
} | go | {
"resource": ""
} |
q11815 | registrationHandler | train | func (s *EnvoyApi) registrationHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
response.Header().Set("Content-Type", "application/json")
name, ok := params["service"]
if !ok {
log.Debug("No service name provided to Envoy registrationHandler")
sendJso... | go | {
"resource": ""
} |
q11816 | clustersHandler | train | func (s *EnvoyApi) clustersHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
response.Header().Set("Content-Type", "application/json")
clusters := s.EnvoyClustersFromState()
log.Debugf("Reporting Envoy cluster information for cluster '%s' and node '%s'",
... | go | {
"resource": ""
} |
q11817 | listenersHandler | train | func (s *EnvoyApi) listenersHandler(response http.ResponseWriter, req *http.Request, params map[string]string) {
defer req.Body.Close()
response.Header().Set("Content-Type", "application/json")
log.Debugf("Reporting Envoy cluster information for cluster '%s' and node '%s'",
params["service_cluster"], params["ser... | go | {
"resource": ""
} |
q11818 | lookupHost | train | func lookupHost(hostname string) (string, error) {
addrs, err := net.LookupHost(hostname)
if err != nil {
return "", err
}
return addrs[0], nil
} | go | {
"resource": ""
} |
q11819 | EnvoyServiceFromService | train | func (s *EnvoyApi) EnvoyServiceFromService(svc *service.Service, svcPort int64) *EnvoyService {
if len(svc.Ports) < 1 {
return nil
}
for _, port := range svc.Ports {
// No sense worrying about unexposed ports
if port.ServicePort == svcPort {
address := port.IP
// NOT recommended... this is very slow. U... | go | {
"resource": ""
} |
q11820 | EnvoyClustersFromState | train | func (s *EnvoyApi) EnvoyClustersFromState() []*EnvoyCluster {
clusters := make([]*EnvoyCluster, 0)
s.state.RLock()
defer s.state.RUnlock()
svcs := s.state.ByService()
for svcName, endpoints := range svcs {
if len(endpoints) < 1 {
continue
}
var svc *service.Service
for _, endpoint := range endpoints ... | go | {
"resource": ""
} |
q11821 | EnvoyListenersFromState | train | func (s *EnvoyApi) EnvoyListenersFromState() []*EnvoyListener {
listeners := make([]*EnvoyListener, 0)
s.state.RLock()
defer s.state.RUnlock()
svcs := s.state.ByService()
// Loop over all the services by service name
for _, endpoints := range svcs {
if len(endpoints) < 1 {
continue
}
var svc *service.... | go | {
"resource": ""
} |
q11822 | SvcName | train | func SvcName(name string, port int64) string {
return fmt.Sprintf("%s%s%d", name, ServiceNameSeparator, port)
} | go | {
"resource": ""
} |
q11823 | SvcNameSplit | train | func SvcNameSplit(name string) (string, int64, error) {
parts := strings.Split(name, ServiceNameSeparator)
if len(parts) < 2 {
return "", -1, fmt.Errorf("%s", "Unable to split service name and port!")
}
svcName := parts[0]
svcPort, err := strconv.ParseInt(parts[1], 10, 64)
if err != nil {
return "", -1, fmt.... | go | {
"resource": ""
} |
q11824 | HttpMux | train | func (s *EnvoyApi) HttpMux() http.Handler {
router := mux.NewRouter()
router.HandleFunc("/registration/{service}", wrap(s.registrationHandler)).Methods("GET")
router.HandleFunc("/clusters/{service_cluster}/{service_node}", wrap(s.clustersHandler)).Methods("GET")
router.HandleFunc("/clusters", wrap(s.clustersHandler... | go | {
"resource": ""
} |
q11825 | NewCheck | train | func NewCheck(id string) *Check {
check := Check{
ID: id,
Count: 0,
Type: "http",
Command: &HttpGetCmd{},
MaxCount: 1,
Status: UNKNOWN,
}
return &check
} | go | {
"resource": ""
} |
q11826 | UpdateStatus | train | func (check *Check) UpdateStatus(status int, err error) {
if err != nil {
log.Debugf("Error executing check, status UNKNOWN: (id %s)", check.ID)
check.Status = UNKNOWN
check.LastError = err
} else {
check.Status = status
}
if status == HEALTHY {
check.Count = 0
return
}
check.Count = check.Count + 1... | go | {
"resource": ""
} |
q11827 | NewMonitor | train | func NewMonitor(defaultCheckHost string, defaultCheckEndpoint string) *Monitor {
monitor := Monitor{
Checks: make(map[string]*Check, 5),
CheckInterval: HEALTH_INTERVAL,
DefaultCheckHost: defaultCheckHost,
DefaultCheckEndpoint: defaultCheckEndpoint,
}
return &monitor
} | go | {
"resource": ""
} |
q11828 | AddCheck | train | func (m *Monitor) AddCheck(check *Check) {
m.Lock()
defer m.Unlock()
log.Printf("Adding health check: %s (ID: %s), Args: %s", check.Type, check.ID, check.Args)
m.Checks[check.ID] = check
} | go | {
"resource": ""
} |
q11829 | MarkService | train | func (m *Monitor) MarkService(svc *service.Service) {
// We remove checks when encountering a Tombstone record. This
// prevents us from storing up checks forever. The discovery
// mechanism must create tombstones when services go away, so
// this is the best signal we'll get that a check is no longer
// needed. A... | go | {
"resource": ""
} |
q11830 | Run | train | func (m *Monitor) Run(looper director.Looper) {
looper.Loop(func() error {
log.Debugf("Running checks")
var wg sync.WaitGroup
// Make immutable copy of m.Checks (checks are still mutable)
m.RLock()
checks := make(map[string]*Check, len(m.Checks))
for k, v := range m.Checks {
checks[k] = v
}
m.RUnl... | go | {
"resource": ""
} |
q11831 | ServiceName | train | func (r *RegexpNamer) ServiceName(container *docker.APIContainers) string {
if container == nil {
log.Warn("ServiceName() called with nil service passed!")
return ""
}
if r.expression == nil {
log.Errorf("Invalid regex can't match using: %s", r.ServiceNameMatch)
return container.Image
}
var svcName strin... | go | {
"resource": ""
} |
q11832 | ServiceName | train | func (d *DockerLabelNamer) ServiceName(container *docker.APIContainers) string {
if container == nil {
log.Warn("ServiceName() called with nil service passed!")
return ""
}
for label, value := range container.Labels {
if label == d.Label {
return value
}
}
log.Debugf(
"Found container with no '%s' l... | go | {
"resource": ""
} |
q11833 | UnmarshalJSON | train | func (j *EnvoyListener) UnmarshalJSON(input []byte) error {
fs := fflib.NewFFLexer(input)
return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
} | go | {
"resource": ""
} |
q11834 | MarshalJSON | train | func (j *EnvoyRoute) MarshalJSON() ([]byte, error) {
var buf fflib.Buffer
if j == nil {
buf.WriteString("null")
return buf.Bytes(), nil
}
err := j.MarshalJSONBuf(&buf)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
} | go | {
"resource": ""
} |
q11835 | Start | train | func (d *servicesDelegate) Start() {
go func() {
for message := range d.notifications {
entry := service.Decode(message)
if entry == nil {
log.Errorf("NotifyMsg(): error decoding!")
continue
}
d.state.ServiceMsgs <- *entry
}
}()
d.Started = true
d.StartedAt = time.Now().UTC()
} | go | {
"resource": ""
} |
q11836 | packPacket | train | func (d *servicesDelegate) packPacket(broadcasts [][]byte, limit int, overhead int) (packet [][]byte, leftover [][]byte) {
total := 0
lastItem := -1
// Find the index of the last item that fits into the packet we're building
for i, message := range broadcasts {
if total+len(message)+overhead > limit {
break
... | go | {
"resource": ""
} |
q11837 | Version | train | func (svc *Service) Version() string {
parts := strings.Split(svc.Image, ":")
if len(parts) > 1 {
return parts[1]
}
return parts[0]
} | go | {
"resource": ""
} |
q11838 | ToService | train | func ToService(container *docker.APIContainers, ip string) Service {
var svc Service
hostname, _ := os.Hostname()
svc.ID = container.ID[0:12] // Use short IDs
svc.Name = container.Names[0] // Use the first name
svc.Image = container.Image
svc.Created = time.Unix(container.Created, 0).UTC()
svc.Updated = time.... | go | {
"resource": ""
} |
q11839 | buildPortFor | train | func buildPortFor(port *docker.APIPort, container *docker.APIContainers, ip string) Port {
// We look up service port labels by convention in the format "ServicePort_80=8080"
svcPortLabel := fmt.Sprintf("ServicePort_%d", port.PrivatePort)
// You can override the default IP by binding your container on a specific IP... | go | {
"resource": ""
} |
q11840 | Eval | train | func (a Anomalyzer) Eval() float64 {
threshold := a.Conf.referenceSize + a.Conf.ActiveSize
if a.Conf.Delay && len(a.Data) < threshold {
return 0.0
}
probmap := make(map[string]float64)
for _, method := range a.Conf.Methods {
algorithm := Algorithms[method]
prob := cap(algorithm(a.Data, *a.Conf), 0, 1)
if ... | go | {
"resource": ""
} |
q11841 | getWeight | train | func (a Anomalyzer) getWeight(name string, prob float64) float64 {
weight := 0.5
dynamicWeights := []string{"magnitude", "fence"}
// If either the magnitude and fence methods don't have any
// probability to contribute, we don't want to hear about it.
// If they do, we upweight them substantially.
if exists(name... | go | {
"resource": ""
} |
q11842 | extractWindows | train | func extractWindows(vector govector.Vector, refSize, activeSize, minRefSize int) (govector.Vector, govector.Vector, error) {
n := len(vector)
activeSize = min(activeSize, n)
refSize = min(refSize, n-activeSize)
// make sure the reference size is at least as big as the active size
// note that this penalty might b... | go | {
"resource": ""
} |
q11843 | weightExp | train | func weightExp(x, base float64) float64 {
return (math.Pow(base, x) - 1) / (math.Pow(base, 1) - 1)
} | go | {
"resource": ""
} |
q11844 | KsStat | train | func KsStat(vector govector.Vector, conf AnomalyzerConf) float64 {
reference, active, err := extractWindows(vector, conf.referenceSize, conf.ActiveSize, conf.ActiveSize)
if err != nil {
return NA
}
n1 := len(reference)
n2 := len(active)
if n1%n2 != 0 {
return NA
}
// First sort the active data and generate... | go | {
"resource": ""
} |
q11845 | interpolate | train | func interpolate(min, max float64, npoints int) govector.Vector {
interp := make(govector.Vector, npoints)
step := (max - min) / (float64(npoints) - 1)
interp[0] = min
i := 1
for i < npoints {
interp[i] = interp[i-1] + step
i++
}
return interp
} | go | {
"resource": ""
} |
q11846 | marshalValue | train | func marshalValue(options *Options, v reflect.Value) (interface{}, error) {
// return nil on nil pointer struct fields
if !v.IsValid() || !v.CanInterface() {
return nil, nil
}
val := v.Interface()
if marshaller, ok := val.(Marshaller); ok {
return marshaller.Marshal(options)
}
// types which are e.g. struct... | go | {
"resource": ""
} |
q11847 | contains | train | func contains(key string, list []string) bool {
for _, innerKey := range list {
if key == innerKey {
return true
}
}
return false
} | go | {
"resource": ""
} |
q11848 | listContains | train | func listContains(a []string, b []string) bool {
for _, key := range a {
if contains(key, b) {
return true
}
}
return false
} | go | {
"resource": ""
} |
q11849 | Error | train | func (e *RPCError) Error() string {
return strconv.Itoa(e.Code) + ":" + e.Message
} | go | {
"resource": ""
} |
q11850 | AsMap | train | func (res RPCResponses) AsMap() map[int]*RPCResponse {
resMap := make(map[int]*RPCResponse, 0)
for _, r := range res {
resMap[r.ID] = r
}
return resMap
} | go | {
"resource": ""
} |
q11851 | GetByID | train | func (res RPCResponses) GetByID(id int) *RPCResponse {
for _, r := range res {
if r.ID == id {
return r
}
}
return nil
} | go | {
"resource": ""
} |
q11852 | HasError | train | func (res RPCResponses) HasError() bool {
for _, res := range res {
if res.Error != nil {
return true
}
}
return false
} | go | {
"resource": ""
} |
q11853 | GetInt | train | func (RPCResponse *RPCResponse) GetInt() (int64, error) {
val, ok := RPCResponse.Result.(json.Number)
if !ok {
return 0, fmt.Errorf("could not parse int64 from %s", RPCResponse.Result)
}
i, err := val.Int64()
if err != nil {
return 0, err
}
return i, nil
} | go | {
"resource": ""
} |
q11854 | GetFloat | train | func (RPCResponse *RPCResponse) GetFloat() (float64, error) {
val, ok := RPCResponse.Result.(json.Number)
if !ok {
return 0, fmt.Errorf("could not parse float64 from %s", RPCResponse.Result)
}
f, err := val.Float64()
if err != nil {
return 0, err
}
return f, nil
} | go | {
"resource": ""
} |
q11855 | GetBool | train | func (RPCResponse *RPCResponse) GetBool() (bool, error) {
val, ok := RPCResponse.Result.(bool)
if !ok {
return false, fmt.Errorf("could not parse bool from %s", RPCResponse.Result)
}
return val, nil
} | go | {
"resource": ""
} |
q11856 | GetString | train | func (RPCResponse *RPCResponse) GetString() (string, error) {
val, ok := RPCResponse.Result.(string)
if !ok {
return "", fmt.Errorf("could not parse string from %s", RPCResponse.Result)
}
return val, nil
} | go | {
"resource": ""
} |
q11857 | NewBatch | train | func NewBatch(id []byte) *Batch {
return &Batch{
ID: id,
ReplaySet: NewReplaySet(),
entries: make(map[uint16]batchEntry),
replayCache: make(map[HashPrefix]struct{}),
}
} | go | {
"resource": ""
} |
q11858 | ForEach | train | func (b *Batch) ForEach(fn func(seqNum uint16, hashPrefix *HashPrefix, cltv uint32) error) error {
for seqNum, entry := range b.entries {
if err := fn(seqNum, &entry.hashPrefix, entry.cltv); err != nil {
return err
}
}
return nil
} | go | {
"resource": ""
} |
q11859 | hashSharedSecret | train | func hashSharedSecret(sharedSecret *Hash256) *HashPrefix {
// Sha256 hash of sharedSecret
h := sha256.New()
h.Write(sharedSecret[:])
var sharedHash HashPrefix
// Copy bytes to sharedHash
copy(sharedHash[:], h.Sum(nil))
return &sharedHash
} | go | {
"resource": ""
} |
q11860 | Start | train | func (rl *MemoryReplayLog) Start() error {
rl.batches = make(map[string]*ReplaySet)
rl.entries = make(map[HashPrefix]uint32)
return nil
} | go | {
"resource": ""
} |
q11861 | Stop | train | func (rl *MemoryReplayLog) Stop() error {
if rl.entries == nil || rl.batches == nil {
return errReplayLogNotStarted
}
rl.batches = nil
rl.entries = nil
return nil
} | go | {
"resource": ""
} |
q11862 | Get | train | func (rl *MemoryReplayLog) Get(hash *HashPrefix) (uint32, error) {
if rl.entries == nil || rl.batches == nil {
return 0, errReplayLogNotStarted
}
cltv, exists := rl.entries[*hash]
if !exists {
return 0, ErrLogEntryNotFound
}
return cltv, nil
} | go | {
"resource": ""
} |
q11863 | Put | train | func (rl *MemoryReplayLog) Put(hash *HashPrefix, cltv uint32) error {
if rl.entries == nil || rl.batches == nil {
return errReplayLogNotStarted
}
_, exists := rl.entries[*hash]
if exists {
return ErrReplayedPacket
}
rl.entries[*hash] = cltv
return nil
} | go | {
"resource": ""
} |
q11864 | Delete | train | func (rl *MemoryReplayLog) Delete(hash *HashPrefix) error {
if rl.entries == nil || rl.batches == nil {
return errReplayLogNotStarted
}
delete(rl.entries, *hash)
return nil
} | go | {
"resource": ""
} |
q11865 | PutBatch | train | func (rl *MemoryReplayLog) PutBatch(batch *Batch) (*ReplaySet, error) {
if rl.entries == nil || rl.batches == nil {
return nil, errReplayLogNotStarted
}
// Return the result when the batch was first processed to provide
// idempotence.
replays, exists := rl.batches[string(batch.ID)]
if !exists {
replays = N... | go | {
"resource": ""
} |
q11866 | main | train | func main() {
args := os.Args
assocData := bytes.Repeat([]byte{'B'}, 32)
if len(args) == 1 {
fmt.Printf("Usage: %s (generate|decode) <private-keys>\n", args[0])
} else if args[1] == "generate" {
var path sphinx.PaymentPath
for i, hexKey := range args[2:] {
binKey, err := hex.DecodeString(hexKey)
if er... | go | {
"resource": ""
} |
q11867 | Encode | train | func (hd *HopData) Encode(w io.Writer) error {
if _, err := w.Write(hd.Realm[:]); err != nil {
return err
}
if _, err := w.Write(hd.NextAddress[:]); err != nil {
return err
}
if err := binary.Write(w, binary.BigEndian, hd.ForwardAmount); err != nil {
return err
}
if err := binary.Write(w, binary.BigEndi... | go | {
"resource": ""
} |
q11868 | Decode | train | func (hd *HopData) Decode(r io.Reader) error {
if _, err := io.ReadFull(r, hd.Realm[:]); err != nil {
return err
}
if _, err := io.ReadFull(r, hd.NextAddress[:]); err != nil {
return err
}
if err := binary.Read(r, binary.BigEndian, &hd.ForwardAmount); err != nil {
return err
}
if err := binary.Read(r, b... | go | {
"resource": ""
} |
q11869 | generateSharedSecrets | train | func generateSharedSecrets(paymentPath []*btcec.PublicKey,
sessionKey *btcec.PrivateKey) []Hash256 {
// Each hop performs ECDH with our ephemeral key pair to arrive at a
// shared secret. Additionally, each hop randomizes the group element
// for the next hop by multiplying it by the blinding factor. This way
// ... | go | {
"resource": ""
} |
q11870 | NewOnionPacket | train | func NewOnionPacket(paymentPath *PaymentPath, sessionKey *btcec.PrivateKey,
assocData []byte) (*OnionPacket, error) {
numHops := paymentPath.TrueRouteLength()
hopSharedSecrets := generateSharedSecrets(
paymentPath.NodeKeys(), sessionKey,
)
// Generate the padding, called "filler strings" in the paper.
filler... | go | {
"resource": ""
} |
q11871 | rightShift | train | func rightShift(slice []byte, num int) {
for i := len(slice) - num - 1; i >= 0; i-- {
slice[num+i] = slice[i]
}
for i := 0; i < num; i++ {
slice[i] = 0
}
} | go | {
"resource": ""
} |
q11872 | Encode | train | func (f *OnionPacket) Encode(w io.Writer) error {
ephemeral := f.EphemeralKey.SerializeCompressed()
if _, err := w.Write([]byte{f.Version}); err != nil {
return err
}
if _, err := w.Write(ephemeral); err != nil {
return err
}
if _, err := w.Write(f.RoutingInfo[:]); err != nil {
return err
}
if _, err ... | go | {
"resource": ""
} |
q11873 | Decode | train | func (f *OnionPacket) Decode(r io.Reader) error {
var err error
var buf [1]byte
if _, err := io.ReadFull(r, buf[:]); err != nil {
return err
}
f.Version = buf[0]
// If version of the onion packet protocol unknown for us than in might
// lead to improperly decoded data.
if f.Version != baseVersion {
return... | go | {
"resource": ""
} |
q11874 | NewRouter | train | func NewRouter(nodeKey *btcec.PrivateKey, net *chaincfg.Params, log ReplayLog) *Router {
var nodeID [AddressSize]byte
copy(nodeID[:], btcutil.Hash160(nodeKey.PubKey().SerializeCompressed()))
// Safe to ignore the error here, nodeID is 20 bytes.
nodeAddr, _ := btcutil.NewAddressPubKeyHash(nodeID[:], net)
return &... | go | {
"resource": ""
} |
q11875 | unwrapPacket | train | func unwrapPacket(onionPkt *OnionPacket, sharedSecret *Hash256,
assocData []byte) (*OnionPacket, *HopData, error) {
dhKey := onionPkt.EphemeralKey
routeInfo := onionPkt.RoutingInfo
headerMac := onionPkt.HeaderMAC
// Using the derived shared secret, ensure the integrity of the routing
// information by checking ... | go | {
"resource": ""
} |
q11876 | processOnionPacket | train | func processOnionPacket(onionPkt *OnionPacket, sharedSecret *Hash256,
assocData []byte,
sharedSecretGen sharedSecretGenerator) (*ProcessedPacket, error) {
// First, we'll unwrap an initial layer of the onion packet. Typically,
// we'll only have a single layer to unwrap, However, if the sender has
// additional d... | go | {
"resource": ""
} |
q11877 | Commit | train | func (t *Tx) Commit() ([]ProcessedPacket, *ReplaySet, error) {
if t.batch.IsCommitted {
return t.packets, t.batch.ReplaySet, nil
}
rs, err := t.router.log.PutBatch(t.batch)
return t.packets, rs, err
} | go | {
"resource": ""
} |
q11878 | IsEmpty | train | func (o OnionHop) IsEmpty() bool {
return o.NodePub.X == nil || o.NodePub.Y == nil
} | go | {
"resource": ""
} |
q11879 | calcMac | train | func calcMac(key [keyLen]byte, msg []byte) [HMACSize]byte {
hmac := hmac.New(sha256.New, key[:])
hmac.Write(msg)
h := hmac.Sum(nil)
var mac [HMACSize]byte
copy(mac[:], h[:HMACSize])
return mac
} | go | {
"resource": ""
} |
q11880 | generateCipherStream | train | func generateCipherStream(key [keyLen]byte, numBytes uint) []byte {
var (
nonce [8]byte
)
cipher, err := chacha20.NewCipher(nonce[:], key[:])
if err != nil {
panic(err)
}
output := make([]byte, numBytes)
cipher.XORKeyStream(output, output)
return output
} | go | {
"resource": ""
} |
q11881 | generateSharedSecret | train | func (r *Router) generateSharedSecret(dhKey *btcec.PublicKey) (Hash256, error) {
var sharedSecret Hash256
// Ensure that the public key is on our curve.
if !btcec.S256().IsOnCurve(dhKey.X, dhKey.Y) {
return sharedSecret, ErrInvalidOnionKey
}
// Compute our shared secret.
sharedSecret = generateSharedSecret(dh... | go | {
"resource": ""
} |
q11882 | generateSharedSecret | train | func generateSharedSecret(pub *btcec.PublicKey, priv *btcec.PrivateKey) Hash256 {
s := &btcec.PublicKey{}
s.X, s.Y = btcec.S256().ScalarMult(pub.X, pub.Y, priv.D.Bytes())
return sha256.Sum256(s.SerializeCompressed())
} | go | {
"resource": ""
} |
q11883 | DecryptError | train | func (o *OnionErrorDecrypter) DecryptError(encryptedData []byte) (*btcec.PublicKey, []byte, error) {
// Ensure the error message length is as expected.
if len(encryptedData) != onionErrorLength {
return nil, nil, fmt.Errorf("invalid error length: "+
"expected %v got %v", onionErrorLength,
len(encryptedData))
... | go | {
"resource": ""
} |
q11884 | EncryptError | train | func (o *OnionErrorEncrypter) EncryptError(initial bool, data []byte) []byte {
if initial {
umKey := generateKey("um", &o.sharedSecret)
hash := hmac.New(sha256.New, umKey[:])
hash.Write(data)
h := hash.Sum(nil)
data = append(h, data...)
}
return onionEncrypt(&o.sharedSecret, data)
} | go | {
"resource": ""
} |
q11885 | NewOnionErrorEncrypter | train | func NewOnionErrorEncrypter(router *Router,
ephemeralKey *btcec.PublicKey) (*OnionErrorEncrypter, error) {
sharedSecret, err := router.generateSharedSecret(ephemeralKey)
if err != nil {
return nil, err
}
return &OnionErrorEncrypter{
sharedSecret: sharedSecret,
}, nil
} | go | {
"resource": ""
} |
q11886 | Encode | train | func (o *OnionErrorEncrypter) Encode(w io.Writer) error {
_, err := w.Write(o.sharedSecret[:])
return err
} | go | {
"resource": ""
} |
q11887 | Decode | train | func (o *OnionErrorEncrypter) Decode(r io.Reader) error {
_, err := io.ReadFull(r, o.sharedSecret[:])
return err
} | go | {
"resource": ""
} |
q11888 | Decode | train | func (c *Circuit) Decode(r io.Reader) error {
var keyLength [1]byte
if _, err := r.Read(keyLength[:]); err != nil {
return err
}
sessionKeyData := make([]byte, uint8(keyLength[0]))
if _, err := r.Read(sessionKeyData[:]); err != nil {
return err
}
c.SessionKey, _ = btcec.PrivKeyFromBytes(btcec.S256(), sessi... | go | {
"resource": ""
} |
q11889 | Encode | train | func (c *Circuit) Encode(w io.Writer) error {
var keyLength [1]byte
keyLength[0] = uint8(len(c.SessionKey.Serialize()))
if _, err := w.Write(keyLength[:]); err != nil {
return err
}
if _, err := w.Write(c.SessionKey.Serialize()); err != nil {
return err
}
var pathLength [1]byte
pathLength[0] = uint8(len(c... | go | {
"resource": ""
} |
q11890 | Contains | train | func (rs *ReplaySet) Contains(idx uint16) bool {
_, ok := rs.replays[idx]
return ok
} | go | {
"resource": ""
} |
q11891 | Merge | train | func (rs *ReplaySet) Merge(rs2 *ReplaySet) {
for seqNum := range rs2.replays {
rs.Add(seqNum)
}
} | go | {
"resource": ""
} |
q11892 | Encode | train | func (rs *ReplaySet) Encode(w io.Writer) error {
for seqNum := range rs.replays {
err := binary.Write(w, binary.BigEndian, seqNum)
if err != nil {
return err
}
}
return nil
} | go | {
"resource": ""
} |
q11893 | Decode | train | func (rs *ReplaySet) Decode(r io.Reader) error {
for {
// seqNum provides to buffer to read the next uint16 index.
var seqNum uint16
err := binary.Read(r, binary.BigEndian, &seqNum)
switch err {
case nil:
// Successful read, proceed.
case io.EOF:
return nil
default:
// Can return ErrShortBuffer... | go | {
"resource": ""
} |
q11894 | SetHttpContext | train | func (hook *SentryHook) SetHttpContext(h *raven.Http) {
hook.client.SetHttpContext(h)
} | go | {
"resource": ""
} |
q11895 | SetIgnoreErrors | train | func (hook *SentryHook) SetIgnoreErrors(errs ...string) error {
return hook.client.SetIgnoreErrors(errs)
} | go | {
"resource": ""
} |
q11896 | SetSampleRate | train | func (hook *SentryHook) SetSampleRate(rate float32) error {
return hook.client.SetSampleRate(rate)
} | go | {
"resource": ""
} |
q11897 | SetTagsContext | train | func (hook *SentryHook) SetTagsContext(t map[string]string) {
hook.client.SetTagsContext(t)
} | go | {
"resource": ""
} |
q11898 | SetUserContext | train | func (hook *SentryHook) SetUserContext(u *raven.User) {
hook.client.SetUserContext(u)
} | go | {
"resource": ""
} |
q11899 | xtob | train | func xtob(x string) (byte, bool) {
b1 := xvalues[x[0]]
b2 := xvalues[x[1]]
return (b1 << 4) | b2, b1 != 255 && b2 != 255
} | go | {
"resource": ""
} |
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