// Copyright 2013 Google Inc. All rights reserved. // Copyright 2016 the gousb Authors. All rights reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package usbid import ( "log" "net/http" "strings" "time" "github.com/kylelemons/gousb/usb" ) const ( // LinuxUsbDotOrg is one source of files in the format used by this package. LinuxUsbDotOrg = "http://www.linux-usb.org/usb.ids" ) var ( // Vendors stores the vendor and product ID mappings. Vendors map[usb.ID]*Vendor // Classes stores the class, subclass and protocol mappings. Classes map[uint8]*Class ) // LoadFromURL replaces the built-in vendor and class mappings with ones loaded // from the given URL. // // This should usually only be necessary if the mappings in the library are // stale. The contents of this file as of February 2012 are embedded in the // library itself. func LoadFromURL(url string) error { resp, err := http.Get(url) if err != nil { return err } defer resp.Body.Close() ids, cls, err := ParseIDs(resp.Body) if err != nil { return err } Vendors = ids Classes = cls LastUpdate = time.Now() return nil } //go:generate go run regen/regen.go --template regen/load_data.go.tpl -o load_data.go func init() { ids, cls, err := ParseIDs(strings.NewReader(usbIdListData)) if err != nil { log.Printf("usbid: failed to parse: %s", err) return } Vendors = ids Classes = cls }