2 * Copyright (C) 2017 "IoT.bzh"
3 * Author Sebastien Douheret <sebastien@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
23 st "github.com/iotbzh/xds-agent/lib/syncthing"
24 "github.com/iotbzh/xds-agent/lib/xaapiv1"
25 "github.com/iotbzh/xds-server/lib/xsapiv1"
28 // IPROJECT interface implementation for syncthing projects
31 type STProject struct {
34 folder *xsapiv1.FolderConfig
38 // NewProjectST Create a new instance of STProject
39 func NewProjectST(ctx *Context, svr *XdsServer) *STProject {
43 folder: &xsapiv1.FolderConfig{},
49 func (p *STProject) Add(cfg xaapiv1.ProjectConfig) (*xaapiv1.ProjectConfig, error) {
52 // Add project/folder into XDS Server
53 err = p.server.FolderAdd(p.server.ProjectToFolder(cfg), p.folder)
57 svrPrj := p.GetProject()
59 // Declare project into local Syncthing
60 id, err := p.SThg.FolderChange(st.FolderChangeArg{
63 RelativePath: cfg.ClientPath,
64 SyncThingID: p.server.ServerConfig.Builder.SyncThingID,
70 locPrj, err := p.SThg.FolderConfigGet(id)
72 svrPrj.Status = xaapiv1.StatusErrorConfig
75 if svrPrj.ID != locPrj.ID {
76 p.Log.Errorf("Project ID in XDSServer and local ST differ: %s != %s", svrPrj.ID, locPrj.ID)
79 // Use Setup function to setup remains fields
80 return p.Setup(*svrPrj)
84 func (p *STProject) Delete() error {
85 errSvr := p.server.FolderDelete(p.folder.ID)
86 errLoc := p.SThg.FolderDelete(p.folder.ID)
93 // GetProject Get public part of project config
94 func (p *STProject) GetProject() *xaapiv1.ProjectConfig {
95 prj := p.server.FolderToProject(*p.folder)
96 prj.ServerID = p.server.ID
100 // Setup Setup local project config
101 func (p *STProject) Setup(prj xaapiv1.ProjectConfig) (*xaapiv1.ProjectConfig, error) {
103 p.folder = p.server.ProjectToFolder(prj)
104 svrPrj := p.GetProject()
106 // Register events to update folder status
107 // Register to XDS Server events
108 p.server.EventOn("event:folder-state-change", "", p._cbServerFolderChanged)
109 if err := p.server.EventRegister("folder-state-change", svrPrj.ID); err != nil {
110 p.Log.Warningf("XDS Server EventRegister failed: %v", err)
114 // Register to Local Syncthing events
115 for _, evName := range []string{st.EventStateChanged, st.EventFolderPaused} {
116 evID, err := p.SThg.Events.Register(evName, p._cbLocalSTEvents, svrPrj.ID, nil)
120 p.eventIDs = append(p.eventIDs, evID)
126 // Update Update some field of a project
127 func (p *STProject) Update(prj xaapiv1.ProjectConfig) (*xaapiv1.ProjectConfig, error) {
129 if p.folder.ID != prj.ID {
130 return nil, fmt.Errorf("Invalid id")
133 err := p.server.FolderUpdate(p.server.ProjectToFolder(prj), p.folder)
138 return p.GetProject(), nil
141 // GetServer Get the XdsServer that holds this project
142 func (p *STProject) GetServer() *XdsServer {
146 // Sync Force project files synchronization
147 func (p *STProject) Sync() error {
148 if err := p.server.FolderSync(p.folder.ID); err != nil {
151 return p.SThg.FolderScan(p.folder.ID, "")
154 // IsInSync Check if project files are in-sync
155 func (p *STProject) IsInSync() (bool, error) {
156 // Should be up-to-date by callbacks (see below)
157 return p.folder.IsInSync, nil
164 // callback use to update (XDS Server) folder IsInSync status
166 func (p *STProject) _cbServerFolderChanged(pData interface{}, data interface{}) error {
167 evt := data.(xsapiv1.EventMsg)
169 // Only process event that concerns this project/folder ID
170 if p.folder.ID != evt.Folder.ID {
174 if evt.Folder.IsInSync != p.folder.DataCloudSync.STSvrIsInSync ||
175 evt.Folder.Status != p.folder.DataCloudSync.STSvrStatus {
177 p.folder.DataCloudSync.STSvrIsInSync = evt.Folder.IsInSync
178 p.folder.DataCloudSync.STSvrStatus = evt.Folder.Status
180 if err := p.events.Emit(xaapiv1.EVTProjectChange, p.server.FolderToProject(*p.folder), ""); err != nil {
181 p.Log.Warningf("Cannot notify project change (from server): %v", err)
187 // callback use to update IsInSync status
188 func (p *STProject) _cbLocalSTEvents(ev st.Event, data *st.EventsCBData) {
190 inSync := p.folder.DataCloudSync.STLocIsInSync
191 sts := p.folder.DataCloudSync.STLocStatus
197 case st.EventStateChanged:
200 case "scanning", "syncing":
201 sts = xaapiv1.StatusSyncing
203 sts = xaapiv1.StatusEnable
205 inSync = (to == "idle")
207 case st.EventFolderPaused:
208 if sts == xaapiv1.StatusEnable {
209 sts = xaapiv1.StatusPause
214 if prevSync != inSync || prevStatus != sts {
216 p.folder.DataCloudSync.STLocIsInSync = inSync
217 p.folder.DataCloudSync.STLocStatus = sts
219 if err := p.events.Emit(xaapiv1.EVTProjectChange, p.server.FolderToProject(*p.folder), ""); err != nil {
220 p.Log.Warningf("Cannot notify project change (local): %v", err)