| // +build !windows |
| |
| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 config |
| |
| import ( |
| "fmt" |
| "strconv" |
| "strings" |
| "time" |
| |
| "github.com/go-ble/ble" |
| |
| "mynewt.apache.org/newt/util" |
| "mynewt.apache.org/newtmgr/newtmgr/bll" |
| "mynewt.apache.org/newtmgr/newtmgr/nmutil" |
| "mynewt.apache.org/newtmgr/nmxact/bledefs" |
| ) |
| |
| type BllConfig struct { |
| CtlrName string |
| OwnAddrType bledefs.BleAddrType |
| PeerId string |
| PeerName string |
| |
| // Connection timeout, in seconds. |
| ConnTimeout float64 |
| |
| HciIdx int |
| } |
| |
| func NewBllConfig() *BllConfig { |
| return &BllConfig{ |
| ConnTimeout: nmutil.Timeout, |
| } |
| } |
| |
| func einvalBllConnString(f string, args ...interface{}) error { |
| suffix := fmt.Sprintf(f, args) |
| return util.FmtNewtError("Invalid BLE connstring; %s", suffix) |
| } |
| |
| func ParseBllConnString(cs string) (*BllConfig, error) { |
| bc := NewBllConfig() |
| |
| if strings.TrimSpace(cs) == "" { |
| return bc, nil |
| } |
| |
| parts := strings.Split(cs, ",") |
| for _, p := range parts { |
| kv := strings.SplitN(p, "=", 2) |
| if len(kv) != 2 { |
| return nil, einvalBllConnString("expected comma-separated "+ |
| "key=value pairs; no '=' in: %s", p) |
| } |
| |
| k := kv[0] |
| v := kv[1] |
| |
| switch k { |
| case "ctlr_name": |
| bc.CtlrName = v |
| case "own_addr_type": |
| var err error |
| bc.OwnAddrType, err = bledefs.BleAddrTypeFromString(v) |
| if err != nil { |
| return nil, einvalBleConnString("Invalid own_addr_type: %s", v) |
| } |
| case "peer_id": |
| bc.PeerId = v |
| case "peer_name": |
| bc.PeerName = v |
| case "conn_timeout": |
| var err error |
| bc.ConnTimeout, err = strconv.ParseFloat(v, 64) |
| if err != nil { |
| return nil, einvalBleConnString("Invalid conn_timeout: %s", v) |
| } |
| |
| default: |
| return nil, einvalBllConnString("Unrecognized key: %s", k) |
| } |
| } |
| |
| bc.HciIdx = nmutil.HciIdx |
| |
| return bc, nil |
| } |
| |
| func BuildBllSesnCfg(bc *BllConfig) (bll.BllSesnCfg, error) { |
| if nmutil.DeviceName != "" { |
| bc.PeerName = nmutil.DeviceName |
| } |
| |
| sc := bll.NewBllSesnCfg() |
| |
| if bc.PeerName != "" { |
| sc.AdvFilter = func(a ble.Advertisement) bool { |
| return a.LocalName() == bc.PeerName |
| } |
| } else if bc.PeerId != "" { |
| sc.AdvFilter = func(a ble.Advertisement) bool { |
| return a.Addr().String() == bc.PeerId |
| } |
| } else { |
| return sc, util.NewNewtError("bll session lacks a peer specifier") |
| } |
| |
| sc.WriteRsp = nmutil.BleWriteRsp |
| sc.ConnTimeout = time.Duration(bc.ConnTimeout*1000000000) * time.Nanosecond |
| |
| return sc, nil |
| } |