func (r *RouteRegistry) Register(uri route.Uri, endpoint *route.Endpoint) {
t := time.Now()
data := lager.Data{"uri": uri, "backend": endpoint.CanonicalAddr(), "modification_tag": endpoint.ModificationTag}
r.reporter.CaptureRegistryMessage(endpoint)
r.Lock()
uri = uri.RouteKey()
pool := r.byUri.Find(uri)
if pool == nil {
contextPath := parseContextPath(uri)
pool = route.NewPool(r.dropletStaleThreshold/4, contextPath)
r.byUri.Insert(uri, pool)
r.logger.Debug("uri-added", lager.Data{"uri": uri})
}
endpointAdded := pool.Put(endpoint)
r.timeOfLastUpdate = t
r.Unlock()
if endpointAdded {
r.logger.Debug("endpoint-registered", data)
} else {
r.logger.Debug("endpoint-not-registered", data)
}
}
func SetRequestXCfInstanceId(request *http.Request, endpoint *route.Endpoint) {
value := endpoint.PrivateInstanceId
if value == "" {
value = endpoint.CanonicalAddr()
}
request.Header.Set(router_http.CfInstanceIdHeader, value)
}
func (r *RouteRegistry) Unregister(uri route.Uri, endpoint *route.Endpoint) {
data := lager.Data{"uri": uri, "backend": endpoint.CanonicalAddr(), "modification_tag": endpoint.ModificationTag}
r.reporter.CaptureRegistryMessage(endpoint)
r.Lock()
uri = uri.RouteKey()
pool := r.byUri.Find(uri)
if pool != nil {
endpointRemoved := pool.Remove(endpoint)
if endpointRemoved {
r.logger.Debug("endpoint-unregistered", data)
} else {
r.logger.Debug("endpoint-not-unregistered", data)
}
if pool.IsEmpty() {
r.byUri.Delete(uri)
}
}
r.Unlock()
}
func (rt *BackendRoundTripper) setupRequest(request *http.Request, endpoint *route.Endpoint) {
rt.logger.Debug("backend")
request.URL.Host = endpoint.CanonicalAddr()
request.Header.Set("X-CF-ApplicationID", endpoint.ApplicationId)
handler.SetRequestXCfInstanceId(request, endpoint)
}
func (h *RequestHandler) setupRequest(endpoint *route.Endpoint) {
h.setRequestURL(endpoint.CanonicalAddr())
h.setRequestXForwardedFor()
SetRequestXRequestStart(h.request)
}