Refactor config into separate package

cmd/syncthing/gui.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	"code.google.com/p/go.crypto/bcrypt"
+	"github.com/calmh/syncthing/config"
 	"github.com/calmh/syncthing/logger"
 	"github.com/codegangsta/martini"
 )
@@ -39,7 +40,7 @@ func init() {
 	l.AddHandler(logger.LevelWarn, showGuiError)
 }
 
-func startGUI(cfg GUIConfiguration, m *Model) error {
+func startGUI(cfg config.GUIConfiguration, m *Model) error {
 	listener, err := net.Listen("tcp", cfg.Address)
 	if err != nil {
 		return err

cmd/syncthing/main.go

@@ -20,6 +20,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/calmh/syncthing/config"
 	"github.com/calmh/syncthing/discover"
 	"github.com/calmh/syncthing/logger"
 	"github.com/calmh/syncthing/protocol"
@@ -53,7 +54,7 @@ func init() {
 }
 
 var (
-	cfg        Configuration
+	cfg        config.Configuration
 	myID       string
 	confDir    string
 	rateBucket *ratelimit.Bucket
@@ -170,7 +171,7 @@ func main() {
 	cf, err := os.Open(cfgFile)
 	if err == nil {
 		// Read config.xml
-		cfg, err = readConfigXML(cf, myID)
+		cfg, err = config.Load(cf, myID)
 		if err != nil {
 			l.Fatalln(err)
 		}
@@ -181,15 +182,15 @@ func main() {
 		defaultRepo := filepath.Join(getHomeDir(), "Sync")
 		ensureDir(defaultRepo, 0755)
 
-		cfg, err = readConfigXML(nil, myID)
+		cfg, err = config.Load(nil, myID)
-		cfg.Repositories = []RepositoryConfiguration{
+		cfg.Repositories = []config.RepositoryConfiguration{
 			{
 				ID:        "default",
 				Directory: defaultRepo,
-				Nodes:     []NodeConfiguration{{NodeID: myID}},
+				Nodes:     []config.NodeConfiguration{{NodeID: myID}},
 			},
 		}
-		cfg.Nodes = []NodeConfiguration{
+		cfg.Nodes = []config.NodeConfiguration{
 			{
 				NodeID:    myID,
 				Addresses: []string{"dynamic"},
@@ -452,7 +453,7 @@ func saveConfigLoop(cfgFile string) {
 			continue
 		}
 
-		err = writeConfigXML(fd, cfg)
+		err = config.Save(fd, cfg)
 		if err != nil {
 			l.Warnln(err)
 			fd.Close()

cmd/syncthing/model.go

@@ -14,6 +14,7 @@ import (
 
 	"github.com/calmh/syncthing/buffers"
 	"github.com/calmh/syncthing/cid"
+	"github.com/calmh/syncthing/config"
 	"github.com/calmh/syncthing/files"
 	"github.com/calmh/syncthing/lamport"
 	"github.com/calmh/syncthing/protocol"
@@ -526,7 +527,7 @@ func (m *Model) broadcastIndexLoop() {
 	}
 }
 
-func (m *Model) AddRepo(id, dir string, nodes []NodeConfiguration) {
+func (m *Model) AddRepo(id, dir string, nodes []config.NodeConfiguration) {
 	if m.started {
 		panic("cannot add repo to started model")
 	}

cmd/syncthing/puller.go

@@ -9,6 +9,7 @@ import (
 
 	"github.com/calmh/syncthing/buffers"
 	"github.com/calmh/syncthing/cid"
+	"github.com/calmh/syncthing/config"
 	"github.com/calmh/syncthing/protocol"
 	"github.com/calmh/syncthing/scanner"
 )
@@ -175,7 +176,7 @@ func (p *puller) run() {
 			}
 			err := p.model.ScanRepo(p.repo)
 			if err != nil {
-				invalidateRepo(p.repo, err)
+				invalidateRepo(cfg, p.repo, err)
 				return
 			}
 
@@ -196,7 +197,7 @@ func (p *puller) runRO() {
 		}
 		err := p.model.ScanRepo(p.repo)
 		if err != nil {
-			invalidateRepo(p.repo, err)
+			invalidateRepo(cfg, p.repo, err)
 			return
 		}
 	}
@@ -562,3 +563,13 @@ func (p *puller) closeFile(f scanner.File) {
 		l.Debugf("pull: error: %q / %q: %v", p.repo, f.Name, err)
 	}
 }
+
+func invalidateRepo(cfg config.Configuration, repoID string, err error) {
+	for i := range cfg.Repositories {
+		repo := &cfg.Repositories[i]
+		if repo.ID == repoID {
+			repo.Invalid = err.Error()
+			return
+		}
+	}
+}

config/config.go

@@ -1,4 +1,4 @@
-package main
+package config
 
 import (
 	"encoding/xml"
@@ -10,8 +10,11 @@ import (
 	"strconv"
 
 	"code.google.com/p/go.crypto/bcrypt"
+	"github.com/calmh/syncthing/logger"
 )
 
+var l = logger.DefaultLogger
+
 type Configuration struct {
 	Version      int                       `xml:"version,attr" default:"2"`
 	Repositories []RepositoryConfiguration `xml:"repository"`
@@ -131,7 +134,7 @@ func fillNilSlices(data interface{}) error {
 	return nil
 }
 
-func writeConfigXML(wr io.Writer, cfg Configuration) error {
+func Save(wr io.Writer, cfg Configuration) error {
 	e := xml.NewEncoder(wr)
 	e.Indent("", "    ")
 	err := e.Encode(cfg)
@@ -156,7 +159,7 @@ func uniqueStrings(ss []string) []string {
 	return us
 }
 
-func readConfigXML(rd io.Reader, myID string) (Configuration, error) {
+func Load(rd io.Reader, myID string) (Configuration, error) {
 	var cfg Configuration
 
 	setDefaults(&cfg)
@@ -304,13 +307,3 @@ func ensureNodePresent(nodes []NodeConfiguration, myID string) []NodeConfigurati
 
 	return nodes
 }
-
-func invalidateRepo(repoID string, err error) {
-	for i := range cfg.Repositories {
-		repo := &cfg.Repositories[i]
-		if repo.ID == repoID {
-			repo.Invalid = err.Error()
-			return
-		}
-	}
-}

config/config_test.go

@@ -1,4 +1,4 @@
-package main
+package config
 
 import (
 	"bytes"
@@ -23,7 +23,7 @@ func TestDefaultValues(t *testing.T) {
 		UPnPEnabled:        true,
 	}
 
-	cfg, err := readConfigXML(bytes.NewReader(nil), "nodeID")
+	cfg, err := Load(bytes.NewReader(nil), "nodeID")
 	if err != io.EOF {
 		t.Error(err)
 	}
@@ -66,7 +66,7 @@ func TestNodeConfig(t *testing.T) {
 `)
 
 	for i, data := range [][]byte{v1data, v2data} {
-		cfg, err := readConfigXML(bytes.NewReader(data), "node1")
+		cfg, err := Load(bytes.NewReader(data), "node1")
 		if err != nil {
 			t.Error(err)
 		}
@@ -121,7 +121,7 @@ func TestNoListenAddress(t *testing.T) {
 </configuration>
 `)
 
-	cfg, err := readConfigXML(bytes.NewReader(data), "nodeID")
+	cfg, err := Load(bytes.NewReader(data), "nodeID")
 	if err != nil {
 		t.Error(err)
 	}
@@ -170,7 +170,7 @@ func TestOverriddenValues(t *testing.T) {
 		UPnPEnabled:        false,
 	}
 
-	cfg, err := readConfigXML(bytes.NewReader(data), "nodeID")
+	cfg, err := Load(bytes.NewReader(data), "nodeID")
 	if err != nil {
 		t.Error(err)
 	}
@@ -215,7 +215,7 @@ func TestNodeAddresses(t *testing.T) {
 		},
 	}
 
-	cfg, err := readConfigXML(bytes.NewReader(data), "n4")
+	cfg, err := Load(bytes.NewReader(data), "n4")
 	if err != nil {
 		t.Error(err)
 	}