// Copyright 2016 fatedier, fatedier@gmail.com // // 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 version import ( "strconv" "strings" ) var version = "0.51.0" func Full() string { return version } func getSubVersion(v string, position int) int64 { arr := strings.Split(v, ".") if len(arr) < 3 { return 0 } res, _ := strconv.ParseInt(arr[position], 10, 64) return res } func Proto(v string) int64 { return getSubVersion(v, 0) } func Major(v string) int64 { return getSubVersion(v, 1) } func Minor(v string) int64 { return getSubVersion(v, 2) } // add every case there if server will not accept client's protocol and return false func Compat(client string) (ok bool, msg string) { if LessThan(client, "0.18.0") { return false, "Please upgrade your frpc version to at least 0.18.0" } return true, "" } func LessThan(client string, server string) bool { vc := Proto(client) vs := Proto(server) if vc > vs { return false } else if vc < vs { return true } vc = Major(client) vs = Major(server) if vc > vs { return false } else if vc < vs { return true } vc = Minor(client) vs = Minor(server) if vc > vs { return false } else if vc < vs { return true } return false }