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useragent.go
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/
useragent.go
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// Copyright (C) 2017 Google Inc.
//
// 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 net
import (
"fmt"
"strings"
"github.com/google/gapid/core/os/device"
)
// ApplicationInfo describes an application.
type ApplicationInfo struct {
Name string
VersionMajor int
VersionMinor int
VersionPoint int
}
// UserAgent returns a useragent string for the given device and application
// info.
func UserAgent(d *device.Configuration, ai ApplicationInfo) string {
product := fmt.Sprintf("%v/%v.%v.%v", ai.Name, ai.VersionMajor, ai.VersionMinor, ai.VersionPoint)
info := []string{}
os := d.GetOS()
switch os.GetKind() {
case device.Windows:
info = append(info, fmt.Sprintf("Windows NT %v.%v", os.MajorVersion, os.MinorVersion))
if d.GetHardware().GetCPU().GetArchitecture().Bitness() == 64 {
info = append(info, "x64")
}
case device.OSX:
info = append(info, "Macintosh", fmt.Sprintf("Intel Mac OS X %v_%v_%v", os.MajorVersion, os.MinorVersion, os.PointVersion))
case device.Linux:
info = append(info, "Linux")
case device.Android:
info = append(info, "Linux", "U", fmt.Sprintf("Android %v.%v.%v", os.MajorVersion, os.MinorVersion, os.PointVersion))
if os.Build != "" {
info = append(info, "Build/"+os.Build)
}
}
if len(info) > 0 {
return fmt.Sprintf("%v (%v)", product, strings.Join(info, "; "))
}
return product
}