2 files changed, 69 insertions, 10 deletions

diff --git a/lib/crosssdk/sdk.go b/lib/crosssdk/sdk.go
index 2f22f22..9aeec90 100644
--- a/lib/crosssdk/sdk.go
+++ b/lib/crosssdk/sdk.go
@@ -2,17 +2,20 @@ package crosssdk
 
 import (
 	"fmt"
-	"path"
 	"path/filepath"
 )
 
 // SDK Define a cross tool chain used to build application
 type SDK struct {
-	Profile string
-	Version string
-	Arch    string
-	Path    string
-	EnvFile string
+	ID      string `json:"id" binding:"required"`
+	Name    string `json:"name"`
+	Profile string `json:"profile"`
+	Version string `json:"version"`
+	Arch    string `json:"arch"`
+	Path    string `json:"path"`
+
+	// Not exported fields
+	EnvFile string `json:"-"`
 }
 
 // NewCrossSDK creates a new instance of Syncthing
@@ -28,6 +31,9 @@ func NewCrossSDK(path string) (*SDK, error) {
 	d = filepath.Dir(d)
 	s.Profile = filepath.Base(d)
 
+	s.ID = s.Profile + "_" + s.Arch + "_" + s.Version
+	s.Name = s.Arch + "   (" + s.Version + ")"
+
 	envFile := filepath.Join(path, "environment-setup*")
 	ef, err := filepath.Glob(envFile)
 	if err != nil {
@@ -41,7 +47,7 @@ func NewCrossSDK(path string) (*SDK, error) {
 	return &s, nil
 }
 
-// GetEnvCmd returns the command to initialized the environment to use a cross SDK
+// GetEnvCmd returns the command used to initialized the environment
 func (s *SDK) GetEnvCmd() string {
-	return ". " + path.Join(s.Path, s.EnvFile)
+	return ". " + s.EnvFile
 }
diff --git a/lib/crosssdk/sdks.go b/lib/crosssdk/sdks.go
index 435aae6..87bb85d 100644
--- a/lib/crosssdk/sdks.go
+++ b/lib/crosssdk/sdks.go
@@ -3,6 +3,7 @@ package crosssdk
 import (
 	"path"
 	"path/filepath"
+	"sync"
 
 	"github.com/Sirupsen/logrus"
 	"github.com/iotbzh/xds-server/lib/common"
@@ -10,7 +11,11 @@ import (
 )
 
 // SDKs List of installed SDK
-type SDKs []*SDK
+type SDKs struct {
+	Sdks []SDK
+
+	mutex sync.Mutex
+}
 
 // Init creates a new instance of Syncthing
 func Init(cfg *xdsconfig.Config, log *logrus.Logger) (*SDKs, error) {
@@ -27,13 +32,61 @@ func Init(cfg *xdsconfig.Config, log *logrus.Logger) (*SDKs, error) {
 			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 {
 			sdk, err := NewCrossSDK(d)
 			if err != nil {
 				log.Debugf("Error while processing SDK dir=%s, err=%s", d, err.Error())
 			}
-			s = append(s, sdk)
+			s.Sdks = append(s.Sdks, *sdk)
 		}
 	}
+
+	log.Debugf("SDKs: %d cross sdks found", len(s.Sdks))
+
 	return &s, nil
 }
+
+// GetAll returns all existing SDKs
+func (s *SDKs) GetAll() []SDK {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	res := s.Sdks
+	return res
+}
+
+// Get returns an SDK from id
+func (s *SDKs) Get(id int) SDK {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	if id < 0 || id > len(s.Sdks) {
+		return SDK{}
+	}
+	res := s.Sdks[id]
+	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 ""
+	}
+
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	defaultEnv := ""
+	for _, sdk := range s.Sdks {
+		if sdk.ID == id {
+			return sdk.GetEnvCmd()
+		}
+		if sdk.ID == defaultID {
+			defaultEnv = sdk.GetEnvCmd()
+		}
+	}
+	// Return default env that may be empty
+	return defaultEnv
+}