func makeGHEntryForSingleBackendRoute(r route) guardAndHandler {
guardFn := makeGuardFunction(r)
tlsConfig := &tls.Config{RootCAs: r.Backends[0].CACert}
requestHandler := &requestHandler{
Transport: &http.Transport{DisableKeepAlives: false, DisableCompression: false},
TLSTransport: &http.Transport{DisableKeepAlives: false, DisableCompression: false, TLSClientConfig: tlsConfig},
Backend: r.Backends[0],
}
handlerFn := requestHandler.toHandlerFunc()
handler := plugin.WrapHandlerFunc(handlerFn, r.WrapperFactories)
ghEntry := guardAndHandler{Guard: guardFn, HandlerFn: handler}
return ghEntry
}
func makeGHEntryForMultipleBackends(r route) guardAndHandler {
guardFn := makeGuardFunction(r)
//Create a backend handler map that will map the backend name to the
//wrapped handler for the backend
var handlerMap plugin.BackendHandlerMap = make(plugin.BackendHandlerMap)
//Lookup the factory for the multiroute handler
factoryName := r.MultiBackendPluginName
factory, err := plugin.LookupMultiBackendAdapterFactory(factoryName)
if err != nil {
//Note: this panic is at start up/configuration time, and is meant to prevent the startup
//of a misconfigured listener.
panic("Cannot configure service - no such MultiRoutePluginName: " + factoryName)
}
//Go through the backends and build a handler for each
for _, backend := range r.Backends {
log.Debug("handler for ", backend.Name)
tlsConfig := &tls.Config{RootCAs: backend.CACert}
requestHandler := &requestHandler{
Transport: &http.Transport{DisableKeepAlives: false, DisableCompression: false},
TLSTransport: &http.Transport{DisableKeepAlives: false, DisableCompression: false, TLSClientConfig: tlsConfig},
Backend: backend,
}
handlerFn := requestHandler.toHandlerFunc()
handlerMap[backend.Name] = http.HandlerFunc(handlerFn)
}
//Use the factory to create a wrapped handler that can service the requests
log.Info("creating handler via factory using", handlerMap)
multiRouteHandler := factory(handlerMap)
//Now wrap the handler function with the plugins.
handler := plugin.WrapHandlerFunc(multiRouteHandler.ToHandlerFunc(), r.WrapperFactories)
return guardAndHandler{Guard: guardFn, HandlerFn: handler}
}