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/*
* Copyright (C) 2017 "IoT.bzh"
* Author Sebastien Douheret <sebastien@iot.bzh>
*
* 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 xdsserver
import (
"fmt"
"path"
"path/filepath"
"strings"
"sync"
common "github.com/iotbzh/xds-common/golib"
"github.com/iotbzh/xds-server/lib/xsapiv1"
)
// SDKs List of installed SDK
type SDKs struct {
*Context
Sdks map[string]*CrossSDK
mutex sync.Mutex
}
// NewSDKs creates a new instance of SDKs
func NewSDKs(ctx *Context) (*SDKs, error) {
s := SDKs{
Context: ctx,
Sdks: make(map[string]*CrossSDK),
}
// Retrieve installed sdks
sdkRD := ctx.Config.FileConf.SdkRootDir
if common.Exists(sdkRD) {
// Assume that SDK install tree is <rootdir>/<profile>/<version>/<arch>
dirs, err := filepath.Glob(path.Join(sdkRD, "*", "*", "*"))
if err != nil {
ctx.Log.Debugf("Error while retrieving SDKs: dir=%s, error=%s", sdkRD, err.Error())
return &s, err
}
s.mutex.Lock()
defer s.mutex.Unlock()
for _, d := range dirs {
if !common.IsDir(d) {
continue
}
cSdk, err := NewCrossSDK(d)
if err != nil {
ctx.Log.Debugf("Error while processing SDK dir=%s, err=%s", d, err.Error())
continue
}
s.Sdks[cSdk.sdk.ID] = cSdk
}
}
ctx.Log.Debugf("SDKs: %d cross sdks found", len(s.Sdks))
return &s, nil
}
// ResolveID Complete an SDK ID (helper for user that can use partial ID value)
func (s *SDKs) ResolveID(id string) (string, error) {
if id == "" {
return "", nil
}
match := []string{}
for iid := range s.Sdks {
if strings.HasPrefix(iid, id) {
match = append(match, iid)
}
}
if len(match) == 1 {
return match[0], nil
} else if len(match) == 0 {
return id, fmt.Errorf("Unknown sdk id")
}
return id, fmt.Errorf("Multiple sdk IDs found with provided prefix: " + id)
}
// Get returns an SDK from id
func (s *SDKs) Get(id string) *xsapiv1.SDK {
s.mutex.Lock()
defer s.mutex.Unlock()
sc, exist := s.Sdks[id]
if !exist {
return nil
}
return (*sc).Get()
}
// GetAll returns all existing SDKs
func (s *SDKs) GetAll() []xsapiv1.SDK {
s.mutex.Lock()
defer s.mutex.Unlock()
res := []xsapiv1.SDK{}
for _, v := range s.Sdks {
res = append(res, *(*v).Get())
}
return res
}
// GetEnvCmd returns the command used to initialized the environment for an SDK
func (s *SDKs) GetEnvCmd(id string, defaultID string) []string {
if id == "" && defaultID == "" {
// no env cmd
return []string{}
}
s.mutex.Lock()
defer s.mutex.Unlock()
if iid, err := s.ResolveID(id); err == nil {
if sdk, exist := s.Sdks[iid]; exist {
return sdk.GetEnvCmd()
}
}
if sdk, exist := s.Sdks[defaultID]; defaultID != "" && exist {
return sdk.GetEnvCmd()
}
// Return default env that may be empty
return []string{}
}
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