From b4da3d53fdc8cb26e5da72a261671c63540a62d4 Mon Sep 17 00:00:00 2001
From: a <a@tuxpa.in>
Date: Sun, 11 Jun 2023 05:24:15 -0500
Subject: [PATCH] ok

---
 Makefile                      |  5 ++-
 cmd/bspc/main.go              |  7 +++-
 cmd/bspwm/main.go             | 34 +++++++++++-----
 go.mod                        | 19 +++------
 go.sum                        | 29 +-------------
 src/bsp/loop.go               | 33 +++++++++++++++
 src/bsp/node.go               |  1 -
 src/bsp/wm.go                 | 46 +++++++++++++++++++++
 src/copies/errors.go          |  9 ++++-
 src/handler/domain.go         | 19 +++++++++
 src/handler/domains/common.go | 15 +++++++
 src/handler/domains/echo.go   |  3 +-
 src/handler/domains/node.go   |  3 +-
 src/handler/domains/query.go  | 75 ++++++++++++++++++++++++++++++++---
 src/handler/domains/todo.go   | 14 +++++++
 src/handler/handler.go        | 40 +++++++++++--------
 src/sock/msg.go               |  2 +-
 src/sock/server.go            | 38 ++++++++++++------
 xgb                           |  1 +
 xgbutil                       |  1 +
 20 files changed, 301 insertions(+), 93 deletions(-)
 create mode 100644 src/bsp/loop.go
 delete mode 100644 src/bsp/node.go
 create mode 100644 src/bsp/wm.go
 create mode 100644 src/handler/domain.go
 create mode 100644 src/handler/domains/common.go
 create mode 100644 src/handler/domains/todo.go
 create mode 160000 xgb
 create mode 160000 xgbutil

diff --git a/Makefile b/Makefile
index 24b1589..06a84a7 100644
--- a/Makefile
+++ b/Makefile
@@ -19,9 +19,10 @@ all: bspwm bspc
 
 VPATH=src
 
-bspwm:
+bspwm: cmd/bspwm src/**/*
+	go build -o bspwm ./cmd/bspwm
 
-bspc: cmd/bspc src
+bspc: cmd/bspc src/**/*
 	go build -o bspc ./cmd/bspc
 
 xephyr:
diff --git a/cmd/bspc/main.go b/cmd/bspc/main.go
index 866f4b9..c82f593 100644
--- a/cmd/bspc/main.go
+++ b/cmd/bspc/main.go
@@ -10,7 +10,12 @@ import (
 func main() {
 	s, err := sock.Client("")
 	errExit(err)
-	resp, err := s.Send(os.Args[1:]...)
+	o := os.Args[1:]
+	if len(o) == 0 {
+		fmt.Println("no arguments given.")
+		return
+	}
+	resp, err := s.Send(o...)
 	errExit(err)
 	fmt.Print(resp)
 }
diff --git a/cmd/bspwm/main.go b/cmd/bspwm/main.go
index fe40792..1b99a4d 100644
--- a/cmd/bspwm/main.go
+++ b/cmd/bspwm/main.go
@@ -2,40 +2,56 @@ package main
 
 import (
 	"context"
-	"fmt"
 	"log"
 	"os"
 	"os/signal"
 	"syscall"
 
+	"tuxpa.in/t/wm/src/bsp"
 	"tuxpa.in/t/wm/src/handler"
+	"tuxpa.in/t/wm/src/handler/domains"
 	"tuxpa.in/t/wm/src/sock"
 )
 
 func main() {
+	// create socket
 	ln, err := sock.Server("./bspwm.sock")
 	if err != nil {
 		panic(err)
 	}
 	defer ln.Close()
 	log.Printf("starting bspwm")
-
 	ctx, stop := signal.NotifyContext(context.Background(),
 		os.Interrupt,
 		syscall.SIGTERM,
-		syscall.SIGQUIT)
+		syscall.SIGQUIT,
+		syscall.SIGINT,
+	)
 	defer stop()
-
-	h := &handler.Handler{}
-
+	// initialize WM state
+	w := bsp.NewWM()
+	// create a wm manager
+	xwm := bsp.NewXWM(w, ln.X11())
+	// install the handler
+	h := &handler.Handler{
+		XWM: xwm,
+	}
+	handler.AddDomain[domains.Todo](h, "node")
+	handler.AddDomain[domains.Todo](h, "desktop")
+	handler.AddDomain[domains.Todo](h, "monitor")
+	handler.AddDomain[domains.Todo](h, "wm")
+	handler.AddDomain[domains.Todo](h, "rule")
+	handler.AddDomain[domains.Todo](h, "config")
+	handler.AddDomain[domains.Todo](h, "subscribe")
+	handler.AddDomain[domains.Todo](h, "quit")
+	handler.AddDomain[domains.Query](h, "query")
+	handler.AddDomain[domains.Echo](h, "echo")
 	for {
 		select {
 		case m := <-ln.Msg():
-			log.Printf("got cmd: %s", m.Args())
 			h.Run(m)
 		case <-ctx.Done():
-			fmt.Println()
-			log.Printf("bspwm shutting down...")
+			log.Println("bspwm shutting down...")
 			return
 		}
 	}
diff --git a/go.mod b/go.mod
index 0739552..163d28b 100644
--- a/go.mod
+++ b/go.mod
@@ -2,19 +2,10 @@ module tuxpa.in/t/wm
 
 go 1.19
 
-require github.com/alecthomas/kong v0.7.1
+replace github.com/jezek/xgb v1.1.0 => ./xgb
 
-require github.com/jezek/xgb v1.1.0 // indirect
+replace github.com/jezek/xgbutil v0.0.0-20230603163917-04188eb39cf0 => ./xgbutil
 
-require (
-	github.com/google/uuid v1.3.0 // indirect
-	github.com/mattn/go-isatty v0.0.16 // indirect
-	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
-	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
-	modernc.org/libc v1.21.2 // indirect
-	modernc.org/mathutil v1.5.0 // indirect
-	modernc.org/memory v1.4.0 // indirect
-	modernc.org/xau v1.0.13 // indirect
-	modernc.org/xcb v1.0.13
-	modernc.org/xdmcp v1.0.14 // indirect
-)
+require github.com/jezek/xgb v1.1.0
+
+require github.com/jezek/xgbutil v0.0.0-20230603163917-04188eb39cf0
diff --git a/go.sum b/go.sum
index 2c79f25..e99f9ea 100644
--- a/go.sum
+++ b/go.sum
@@ -1,27 +1,2 @@
-github.com/alecthomas/assert/v2 v2.1.0 h1:tbredtNcQnoSd3QBhQWI7QZ3XHOVkw1Moklp2ojoH/0=
-github.com/alecthomas/kong v0.7.1 h1:azoTh0IOfwlAX3qN9sHWTxACE2oV8Bg2gAwBsMwDQY4=
-github.com/alecthomas/kong v0.7.1/go.mod h1:n1iCIO2xS46oE8ZfYCNDqdR0b0wZNrXAIAqro/2132U=
-github.com/alecthomas/repr v0.1.0 h1:ENn2e1+J3k09gyj2shc0dHr/yjaWSHRlrJ4DPMevDqE=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
-github.com/jezek/xgb v1.1.0 h1:wnpxJzP1+rkbGclEkmwpVFQWpuE2PUGNUzP8SbfFobk=
-github.com/jezek/xgb v1.1.0/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
-github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
-github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab h1:2QkjZIsXupsJbJIdSjjUOgWK3aEtzyuh2mPt3l/CkeU=
-golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-modernc.org/libc v1.21.2 h1:V053DgNSpAY+IPrO3XlWqrFKUiQqHyPqG4dsx42Ulck=
-modernc.org/libc v1.21.2/go.mod h1:przBsL5RDOZajTVslkugzLBj1evTue36jEomFQOoYuI=
-modernc.org/mathutil v1.5.0 h1:rV0Ko/6SfM+8G+yKiyI830l3Wuz1zRutdslNoQ0kfiQ=
-modernc.org/mathutil v1.5.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
-modernc.org/memory v1.4.0 h1:crykUfNSnMAXaOJnnxcSzbUGMqkLWjklJKkBK2nwZwk=
-modernc.org/memory v1.4.0/go.mod h1:PkUhL0Mugw21sHPeskwZW4D6VscE/GQJOnIpCnW6pSU=
-modernc.org/xau v1.0.13 h1:AEYsSsJFSmkfhSwV6/dx6GoHt02BnZLmMcRT1O8EUOo=
-modernc.org/xau v1.0.13/go.mod h1:5ORRqBKlhiUXwoVdM0+ZPy8plvcq0OPOdEgTWyeokhk=
-modernc.org/xcb v1.0.13 h1:SIMh1yKsKjkfT/qAxcxSv/W+mRe4RnPzp+XewnD4rS4=
-modernc.org/xcb v1.0.13/go.mod h1:M5m1dSVaHvBUf5XUg5Y/b1DZdJs6NK7pYLqsQ+d0swU=
-modernc.org/xdmcp v1.0.14 h1:hRCxbYfl75rvOdCmVCPLBRCedClOPjpHiq+tOBzGS3Q=
-modernc.org/xdmcp v1.0.14/go.mod h1:TDsH3iMey1HJ3tMCePfTy4dIX6hL/MIVnGREX97nCrE=
+github.com/BurntSushi/freetype-go v0.0.0-20160129220410-b763ddbfe298/go.mod h1:D+QujdIlUNfa0igpNMk6UIvlb6C252URs4yupRUV4lQ=
+github.com/BurntSushi/graphics-go v0.0.0-20160129215708-b43f31a4a966/go.mod h1:Mid70uvE93zn9wgF92A/r5ixgnvX8Lh68fxp9KQBaI0=
diff --git a/src/bsp/loop.go b/src/bsp/loop.go
new file mode 100644
index 0000000..791271c
--- /dev/null
+++ b/src/bsp/loop.go
@@ -0,0 +1,33 @@
+package bsp
+
+import (
+	"context"
+
+	"github.com/jezek/xgbutil"
+)
+
+type XWM struct {
+	w *WM
+	x *xgbutil.XUtil
+}
+
+func NewXWM(w *WM, x *xgbutil.XUtil) *XWM {
+	xwm := &XWM{
+		w: w,
+		x: x,
+	}
+	return xwm
+}
+
+func (xwm *XWM) Start(ctx context.Context) error {
+	for {
+		err := xwm.run(ctx)
+		if err != nil {
+			return err
+		}
+	}
+}
+
+func (xwm *XWM) run(ctx context.Context) error {
+	return nil
+}
diff --git a/src/bsp/node.go b/src/bsp/node.go
deleted file mode 100644
index 27a6bb9..0000000
--- a/src/bsp/node.go
+++ /dev/null
@@ -1 +0,0 @@
-package bsp
diff --git a/src/bsp/wm.go b/src/bsp/wm.go
new file mode 100644
index 0000000..10a3a6f
--- /dev/null
+++ b/src/bsp/wm.go
@@ -0,0 +1,46 @@
+package bsp
+
+import (
+	"sync"
+)
+
+type WM struct {
+	Desktops []*Desktop
+	Monitors []*Monitor
+
+	mu sync.RWMutex
+}
+
+type Desktop struct {
+	Name    string
+	Monitor *Monitor
+}
+
+type Monitor struct {
+	Name string
+}
+
+func (w *WM) Mutate(fn func() error) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	if fn != nil {
+		fn()
+	}
+}
+
+func (w *WM) View(fn func() error) {
+	w.mu.RLock()
+	defer w.mu.RUnlock()
+	if fn != nil {
+		fn()
+	}
+}
+
+func (w *WM) AddDesktop(name string) {
+
+}
+
+func NewWM() *WM {
+	w := &WM{}
+	return w
+}
diff --git a/src/copies/errors.go b/src/copies/errors.go
index 203d50e..9aed45d 100644
--- a/src/copies/errors.go
+++ b/src/copies/errors.go
@@ -22,7 +22,14 @@ type ErrMissingArguments struct {
 }
 
 func (m *ErrMissingArguments) Error() string {
-	return `Missing Arguments`
+	return `Missing arguments`
+}
+
+type ErrNoCommandsGiven struct {
+}
+
+func (m *ErrNoCommandsGiven) Error() string {
+	return `No commands given`
 }
 
 type ErrTODO struct {
diff --git a/src/handler/domain.go b/src/handler/domain.go
new file mode 100644
index 0000000..c96251c
--- /dev/null
+++ b/src/handler/domain.go
@@ -0,0 +1,19 @@
+package handler
+
+import (
+	"tuxpa.in/t/wm/src/bsp"
+	"tuxpa.in/t/wm/src/sock"
+)
+
+type Domain interface {
+	DomainRunner
+	DomainState
+}
+
+type DomainRunner interface {
+	Run(*sock.Msg) ([]byte, error)
+}
+
+type DomainState interface {
+	SetXWM(*bsp.XWM)
+}
diff --git a/src/handler/domains/common.go b/src/handler/domains/common.go
new file mode 100644
index 0000000..bda266e
--- /dev/null
+++ b/src/handler/domains/common.go
@@ -0,0 +1,15 @@
+package domains
+
+import "tuxpa.in/t/wm/src/bsp"
+
+type inject struct {
+	xwm
+}
+
+type xwm struct {
+	XWM *bsp.XWM
+}
+
+func (x xwm) SetXWM(z *bsp.XWM) {
+	x.XWM = z
+}
diff --git a/src/handler/domains/echo.go b/src/handler/domains/echo.go
index f9464e7..f0bec6e 100644
--- a/src/handler/domains/echo.go
+++ b/src/handler/domains/echo.go
@@ -8,9 +8,10 @@ import (
 )
 
 type Echo struct {
+	inject
 }
 
-func (n *Echo) Run(msg *sock.Msg) ([]byte, error) {
+func (n Echo) Run(msg *sock.Msg) ([]byte, error) {
 	if !msg.HasNext() {
 		return nil, &copies.ErrMissingArguments{}
 	}
diff --git a/src/handler/domains/node.go b/src/handler/domains/node.go
index 34db0ba..96bfdd5 100644
--- a/src/handler/domains/node.go
+++ b/src/handler/domains/node.go
@@ -3,9 +3,10 @@ package domains
 import "tuxpa.in/t/wm/src/copies"
 
 type Node struct {
+	inject
 }
 
-func (n *Node) Run(args ...string) error {
+func (n Node) Run(args ...string) error {
 	if len(args) == 0 {
 		return &copies.ErrMissingArguments{}
 	}
diff --git a/src/handler/domains/query.go b/src/handler/domains/query.go
index fba7d63..4256f31 100644
--- a/src/handler/domains/query.go
+++ b/src/handler/domains/query.go
@@ -1,13 +1,78 @@
 package domains
 
-import "tuxpa.in/t/wm/src/copies"
+import (
+	"bytes"
+	"fmt"
+
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
 
 type Query struct {
+	Command string
+
+	UseNames bool
+
+	inject
 }
 
-func (n *Query) Run(args ...string) error {
-	if len(args) == 0 {
-		return &copies.ErrMissingArguments{}
+func (n Query) Run(msg *sock.Msg) ([]byte, error) {
+	if !msg.HasNext() {
+		return nil, &copies.ErrMissingArguments{}
+	}
+	for {
+		ok, err := n.parse(msg)
+		if err != nil {
+			return nil, err
+		}
+		if !ok {
+			break
+		}
+	}
+	switch n.Command {
+	case "desktops":
+		return n.desktops(msg)
+	default:
+		return nil, &copies.ErrTODO{}
 	}
-	return nil
+}
+
+func (n *Query) desktops(msg *sock.Msg) ([]byte, error) {
+	o := new(bytes.Buffer)
+	o.WriteString("hi there")
+	return o.Bytes(), nil
+
+}
+
+func (n *Query) parse(msg *sock.Msg) (bool, error) {
+	if !msg.HasNext() {
+		return false, &copies.ErrMissingArguments{}
+	}
+	arg := msg.Next()
+	switch arg {
+	case "--desktop", "-d":
+	case "--desktops", "-D":
+		return n.readCommand(msg, "desktops")
+	case "--monitor", "-m":
+	case "--monitors", "-M":
+		return n.readCommand(msg, "monitors")
+	case "--names":
+		n.UseNames = true
+	case "--node", "-n":
+	case "--nodes", "-N":
+		return n.readCommand(msg, "nodes")
+	case "--tree", "-T":
+		return n.readCommand(msg, "tree")
+	default:
+		return false, fmt.Errorf(`unknown option: '%s'`, arg)
+	}
+	return msg.HasNext(), nil
+}
+
+func (n *Query) readCommand(msg *sock.Msg, c string) (bool, error) {
+	if n.Command == "" {
+		n.Command = c
+		return msg.HasNext(), nil
+	}
+	return false, fmt.Errorf("multiple commands given")
 }
diff --git a/src/handler/domains/todo.go b/src/handler/domains/todo.go
new file mode 100644
index 0000000..fa4e5e6
--- /dev/null
+++ b/src/handler/domains/todo.go
@@ -0,0 +1,14 @@
+package domains
+
+import (
+	"tuxpa.in/t/wm/src/copies"
+	"tuxpa.in/t/wm/src/sock"
+)
+
+type Todo struct {
+	inject
+}
+
+func (n Todo) Run(msg *sock.Msg) ([]byte, error) {
+	return nil, &copies.ErrTODO{}
+}
diff --git a/src/handler/handler.go b/src/handler/handler.go
index 102b85c..cf41984 100644
--- a/src/handler/handler.go
+++ b/src/handler/handler.go
@@ -3,12 +3,29 @@ package handler
 import (
 	"fmt"
 
+	"tuxpa.in/t/wm/src/bsp"
 	"tuxpa.in/t/wm/src/copies"
-	"tuxpa.in/t/wm/src/handler/domains"
 	"tuxpa.in/t/wm/src/sock"
 )
 
 type Handler struct {
+	XWM *bsp.XWM
+
+	domains map[string]func() Domain
+}
+
+func AddDomain[T any, PT interface {
+	Domain
+	*T
+}](h *Handler, name string) {
+	if h.domains == nil {
+		h.domains = map[string]func() Domain{}
+	}
+	h.domains[name] = func() Domain {
+		domain := PT(new(T))
+		domain.SetXWM(h.XWM)
+		return domain
+	}
 }
 
 func (h *Handler) Run(msg *sock.Msg) {
@@ -28,26 +45,15 @@ func (h *Handler) run(msg *sock.Msg) ([]byte, error) {
 		return nil, &copies.ErrMissingArguments{}
 	}
 	cmd := msg.Next()
-	switch cmd {
-	case "node",
-		"desktop",
-		"monitor",
-		"query",
-		"wm",
-		"rule",
-		"config",
-		"subscribe",
-		"quit":
-		return nil, &copies.ErrTODO{Kind: "domain", Name: cmd}
-	case "echo":
-		return h.runDomain(cmd, msg, (&domains.Echo{}).Run)
-	default:
+	d, ok := h.domains[cmd]
+	if !ok {
 		return nil, &copies.ErrUnknownDomainOrCommand{Str: cmd}
 	}
+	return h.runDomain(cmd, msg, d())
 }
 
-func (h *Handler) runDomain(name string, msg *sock.Msg, fn func(*sock.Msg) ([]byte, error)) ([]byte, error) {
-	str, err := fn(msg)
+func (h *Handler) runDomain(name string, msg *sock.Msg, d DomainRunner) ([]byte, error) {
+	str, err := d.Run(msg)
 	if err != nil {
 		return nil, fmt.Errorf("%s: %w", name, err)
 	}
diff --git a/src/sock/msg.go b/src/sock/msg.go
index 02646c3..bfad81a 100644
--- a/src/sock/msg.go
+++ b/src/sock/msg.go
@@ -20,7 +20,7 @@ func (m *Msg) Peek() string {
 	return m.Get(0)
 }
 func (m *Msg) Next() string {
-	if m.Has(m.cur) {
+	if m.Has(0) {
 		m.cur = m.cur + 1
 		return m.args[m.cur-1]
 	}
diff --git a/src/sock/server.go b/src/sock/server.go
index ee30787..4d6c355 100644
--- a/src/sock/server.go
+++ b/src/sock/server.go
@@ -5,12 +5,13 @@ import (
 	"fmt"
 	"net"
 	"os"
+	"strings"
 
-	"github.com/jezek/xgb"
+	"github.com/jezek/xgbutil"
 )
 
 type SockListener struct {
-	xgb *xgb.Conn
+	xgb *xgbutil.XUtil
 	l   *net.UnixListener
 
 	ch chan *Msg
@@ -19,24 +20,32 @@ type SockListener struct {
 func (s *SockListener) Msg() <-chan *Msg {
 	return s.ch
 }
-func Server(path string) (*SockListener, error) {
-	s := &SockListener{}
-	s.ch = make(chan *Msg, 1)
-	xc, err := xgb.NewConnDisplay("")
-	if err != nil {
-		return nil, err
-	}
-	s.xgb = xc
+func (s *SockListener) X11() *xgbutil.XUtil {
+	return s.xgb
+}
+func getUnixAddr(xc *xgbutil.XUtil, path string) *net.UnixAddr {
 	if path == "" {
 		path = os.Getenv(SOCKET_ENV_VAR)
 	}
 	if path == "" {
-		path = fmt.Sprintf(SOCKET_PATH_TPL, "", xc.DisplayNumber, xc.DefaultScreen)
+		path = fmt.Sprintf(SOCKET_PATH_TPL, "", xc.Conn().DisplayNumber, xc.Conn().DefaultScreen)
 	}
 	addr, err := net.ResolveUnixAddr("unix", path)
+	if err != nil {
+		panic(err)
+	}
+	return addr
+}
+
+func Server(path string) (*SockListener, error) {
+	s := &SockListener{}
+	s.ch = make(chan *Msg, 1)
+	xc, err := xgbutil.NewConn()
 	if err != nil {
 		return nil, err
 	}
+	s.xgb = xc
+	addr := getUnixAddr(xc, path)
 	conn, err := net.ListenUnix("unix", addr)
 	if err != nil {
 		return nil, err
@@ -59,7 +68,8 @@ func Server(path string) (*SockListener, error) {
 	return s, nil
 }
 func (s *SockListener) Close() error {
-	return s.l.Close()
+	err := s.l.Close()
+	return err
 }
 func (s *SockListener) acceptConn(c *net.UnixConn) error {
 	msg := &Msg{}
@@ -71,7 +81,9 @@ func (s *SockListener) acceptConn(c *net.UnixConn) error {
 	bts = bts[:n]
 	splt := bytes.Split(bts, []byte{0})
 	for _, v := range splt {
-		msg.args = append(msg.args, string(v))
+		if len(strings.TrimSpace(string(v))) > 0 {
+			msg.args = append(msg.args, string(v))
+		}
 	}
 	msg.c = c
 	s.ch <- msg
diff --git a/xgb b/xgb
new file mode 160000
index 0000000..a57abb5
--- /dev/null
+++ b/xgb
@@ -0,0 +1 @@
+Subproject commit a57abb570aeba12f867c58afe22ce49ac5db4872
diff --git a/xgbutil b/xgbutil
new file mode 160000
index 0000000..04188eb
--- /dev/null
+++ b/xgbutil
@@ -0,0 +1 @@
+Subproject commit 04188eb39cf0fa005f5b3aec48faa82541748b79