Refit source files to have a public xs-apiv1 lib package.

[src/xds/xds-server.git] / lib / xdsserver / sdks.go

diff --git a/lib/xdsserver/sdks.go b/lib/xdsserver/sdks.go
new file mode 100644 (file)
index 0000000..1a40ab5
--- /dev/null
+++ b/lib/xdsserver/sdks.go
@@ -0,0 +1,127 @@
+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{}
+}