WIP: Babel Version (based on 'junk' branch)

respond/daemon/babel.go

@@ -7,7 +7,7 @@ import (
 	"net"
 	"time"
 
-	"github.com/Vivena/babelweb2/parser"
+	"github.com/Vivena/babelweb2/state"
 	"github.com/bdlm/log"
 )
 
@@ -31,21 +31,19 @@ func (d *Daemon) babelConnect() {
 			conn.Close()
 			log.Infof("Connection to %v closed\n", d.Babel)
 		}
-		defer closeConn()
+
 		fmt.Fprintf(conn, "monitor\n")
-		r := bufio.NewReader(conn)
-		s := parser.NewScanner(r)
-		desc := parser.NewBabelDesc()
-		err = desc.Fill(s)
+		s, err := state.NewBabelState(bufio.NewReader(conn), 0)
 		if err == io.EOF {
 			log.Warnf("Something wrong with %v:\n\tcouldn't get router id.\n", d.Babel)
 		} else if err != nil {
 			// Don't you even dare to reconnect to this unholy node!
 			log.Warnf("Oh, boy! %v is doomed:\n\t%v.\t", d.Babel, err)
+			closeConn()
 			return
 		} else {
-			d.babelData = desc
-			err := d.babelDescListen(s)
+			d.babelData = s
+			err := s.ListenHistory()
 			if err != nil {
 				log.Warnf("Babel listen stopped: %s", err)
 			}
@@ -54,24 +52,3 @@ func (d *Daemon) babelConnect() {
 		closeConn()
 	}
 }
-
-func (d *Daemon) babelDescListen(s *parser.Scanner) error {
-	for {
-		upd, err := d.babelData.ParseAction(s)
-		if err != nil && err != io.EOF && err.Error() != "EOL" {
-			return err
-		}
-		if err == io.EOF {
-			break
-		}
-		//TODO maybe keep upd.action != none
-		if !(d.babelData.CheckUpdate(upd)) {
-			continue
-		}
-		err = d.babelData.Update(upd)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}

respond/daemon/config.go

@@ -7,7 +7,7 @@ import (
 	"github.com/FreifunkBremen/yanic/data"
 	"github.com/FreifunkBremen/yanic/lib/duration"
 
-	babelParser "github.com/Vivena/babelweb2/parser"
+	babelState "github.com/Vivena/babelweb2/state"
 )
 
 func trim(s string) string {
@@ -24,7 +24,7 @@ type Daemon struct {
 
 	Batman    []string               `toml:"batman"`
 	Babel     string                 `toml:"babel"`
-	babelData *babelParser.BabelDesc `toml:"-"`
+	babelData *babelState.BabelState `toml:"-"`
 
 	dataByInterface map[string]*data.ResponseData
 

respond/daemon/neighbours.go

@@ -30,14 +30,13 @@ func (d *Daemon) updateNeighbours(iface string, resp *data.ResponseData) {
 	}
 
 	resp.Neighbours.Babel = make(map[string]data.BabelNeighbours)
-	d.babelData.Iter(func(bu parser.BabelUpdate) error {
-		sbu := bu.ToSUpdate()
-		if sbu.Table != "interface" {
+	d.babelData.Iter(func(t parser.Transition) error {
+		if t.Table != "interface" {
 			return nil
 		}
-		if sbu.EntryData["up"].(bool) {
-			addr := sbu.EntryData["ipv6"].(string)
-			resp.Neighbours.Babel[string(sbu.Entry)] = data.BabelNeighbours{
+		if t.Data["up"].(bool) {
+			addr := t.Data["ipv6"].(string)
+			resp.Neighbours.Babel[string(t.Field)] = data.BabelNeighbours{
 				Protocol:         "babel",
 				LinkLocalAddress: addr,
 				Neighbours:       make(map[string]data.BabelLink),
@@ -46,24 +45,23 @@ func (d *Daemon) updateNeighbours(iface string, resp *data.ResponseData) {
 		return nil
 	})
 
-	d.babelData.Iter(func(bu parser.BabelUpdate) error {
-		sbu := bu.ToSUpdate()
-		if sbu.Table != "neighbour" {
+	d.babelData.Iter(func(t parser.Transition) error {
+		if t.Table != "neighbour" {
 			return nil
 		}
-		ifname, ok := sbu.EntryData["if"].(string)
+		ifname, ok := t.Data["if"].(string)
 		if !ok {
 			return errors.New("neighbour without if")
 		}
-		addr := sbu.EntryData["address"].(string)
+		addr := t.Data["address"].(string)
 		if !ok {
 			return errors.New("neighbour without address")
 		}
 		if bIfname, ok := resp.Neighbours.Babel[ifname]; ok {
 			link := data.BabelLink{
-				RXCost: int(sbu.EntryData["rxcost"].(uint64)),
-				TXCost: int(sbu.EntryData["txcost"].(uint64)),
-				Cost:   int(sbu.EntryData["cost"].(uint64)),
+				RXCost: int(t.Data["rxcost"].(uint64)),
+				TXCost: int(t.Data["txcost"].(uint64)),
+				Cost:   int(t.Data["cost"].(uint64)),
 			}
 			bIfname.Neighbours[addr] = link
 			return nil

respond/daemon/nodeinfo.go

@@ -57,7 +57,7 @@ func (d *Daemon) updateNodeinfo(iface string, resp *data.ResponseData) {
 		resp.Nodeinfo.Software.BatmanAdv.Version = trim(string(v))
 	}
 	if babel := d.babelData; babel != nil {
-		resp.Nodeinfo.Software.Babeld.Version = babel.Version
+		resp.Nodeinfo.Software.Babeld.Version = babel.Version()
 	}
 
 	if resp.Nodeinfo.Network.Mac == "" {
@@ -97,13 +97,12 @@ func (d *Daemon) updateNodeinfo(iface string, resp *data.ResponseData) {
 	meshBabel := data.NetworkInterface{}
 	resp.Nodeinfo.Network.Mesh["babel"] = &meshBabel
 
-	d.babelData.Iter(func(bu babelParser.BabelUpdate) error {
-		sbu := bu.ToSUpdate()
-		if sbu.Table != "interface" {
+	d.babelData.Iter(func(t babelParser.Transition) error {
+		if t.Table != "interface" {
 			return nil
 		}
-		if sbu.EntryData["up"].(bool) {
-			addr := sbu.EntryData["ipv6"].(string)
+		if t.Data["up"].(bool) {
+			addr := t.Data["ipv6"].(string)
 			meshBabel.Interfaces.Tunnel = append(meshBabel.Interfaces.Tunnel, addr)
 			resp.Nodeinfo.Network.Addresses = append(resp.Nodeinfo.Network.Addresses, addr)
 		}