1 files changed, 123 insertions, 0 deletions
diff --git a/lib/agent/project-pathmap.go b/lib/agent/project-pathmap.go
new file mode 100644
index 0000000..aacbd1f
--- /dev/null
+++ b/lib/agent/project-pathmap.go
@@ -0,0 +1,123 @@
+package agent
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	common "github.com/iotbzh/xds-common/golib"
+)
+
+// IPROJECT interface implementation for native/path mapping projects
+
+// PathMap .
+type PathMap struct {
+	*Context
+	server *XdsServer
+	folder *XdsFolderConfig
+}
+
+// NewProjectPathMap Create a new instance of PathMap
+func NewProjectPathMap(ctx *Context, svr *XdsServer) *PathMap {
+	p := PathMap{
+		Context: ctx,
+		server:  svr,
+		folder:  &XdsFolderConfig{},
+	}
+	return &p
+}
+
+// Add a new project
+func (p *PathMap) Add(cfg ProjectConfig) (*ProjectConfig, error) {
+	var err error
+	var file *os.File
+	errMsg := "ClientPath sanity check error (%d): %v"
+
+	// Sanity check to verify that we have RW permission and path-mapping is correct
+	dir := cfg.ClientPath
+	if !common.Exists(dir) {
+		// try to create if not existing
+		if err := os.MkdirAll(dir, 0755); err != nil {
+			return nil, fmt.Errorf("Cannot create ClientPath directory: %s", dir)
+		}
+	}
+	if !common.Exists(dir) {
+		return nil, fmt.Errorf("ClientPath directory is not accessible: %s", dir)
+	}
+	if file, err = ioutil.TempFile(dir, ".xds_pathmap_check"); err != nil {
+		return nil, fmt.Errorf(errMsg, 1, err)
+	}
+	// Write a specific message that will be check by server during folder add
+	msg := "Pathmap checked message written by xds-agent ID: " + p.Config.AgentUID + "\n"
+	if n, err := file.WriteString(msg); n != len(msg) || err != nil {
+		return nil, fmt.Errorf(errMsg, 2, err)
+	}
+	defer func() {
+		if file != nil {
+			os.Remove(file.Name())
+			file.Close()
+		}
+	}()
+
+	// Convert to Xds folder
+	fld := p.server.ProjectToFolder(cfg)
+	fld.DataPathMap.CheckFile = file.Name()
+	fld.DataPathMap.CheckContent = msg
+
+	// Send request to create folder on XDS server side
+	err = p.server.FolderAdd(fld, p.folder)
+	if err != nil {
+		return nil, fmt.Errorf("Folders mapping verification failure.\n%v", err)
+	}
+
+	// 2nd part of sanity checker
+	// check specific message added by XDS Server during folder add processing
+	content, err := ioutil.ReadFile(file.Name())
+	if err != nil {
+		return nil, fmt.Errorf(errMsg, 3, err)
+	}
+	if !strings.Contains(string(content),
+		"Pathmap checked message written by xds-server ID") {
+		return nil, fmt.Errorf(errMsg, 4, "file content differ")
+	}
+
+	return p.GetProject(), nil
+}
+
+// Delete a project
+func (p *PathMap) Delete() error {
+	return p.server.FolderDelete(p.folder.ID)
+}
+
+// GetProject Get public part of project config
+func (p *PathMap) GetProject() *ProjectConfig {
+	prj := p.server.FolderToProject(*p.folder)
+	prj.ServerID = p.server.ID
+	return &prj
+}
+
+// UpdateProject Set project config
+func (p *PathMap) UpdateProject(prj ProjectConfig) (*ProjectConfig, error) {
+	p.folder = p.server.ProjectToFolder(prj)
+	np := p.GetProject()
+	if err := p.events.Emit(EVTProjectChange, np); err != nil {
+		return np, err
+	}
+	return np, nil
+}
+
+// GetServer Get the XdsServer that holds this project
+func (p *PathMap) GetServer() *XdsServer {
+	return p.server
+}
+
+// Sync Force project files synchronization
+func (p *PathMap) Sync() error {
+	return nil
+}
+
+// IsInSync Check if project files are in-sync
+func (p *PathMap) IsInSync() (bool, error) {
+	return true, nil
+}