Merge branch '0.1.0' into 0.2.0

etc/go.snippets

@@ -51,17 +51,12 @@ snippet c
 
 	func (`Filename()` *`toupper(substitute(expand("%:t"), ".go", "", ""))`) Close(m *ctx.Message, arg ...string) bool {
 		switch `Filename()`.Context {
-			case m.Target:
+		case m.Target:
-				if `Filename()`.Context == Index {
+		case m.Source:
-					return false
-				}
-			case m.Source:
-				return true
 		}
-		return false
+		return true
 	}
 
-
 	var Pulse *ctx.Message
 	var Index = &ctx.Context{Name: "`Filename()`", Help: "${1}",
 		Caches:   map[string]*ctx.Cache{},

etc/init.sh

@@ -1,15 +1,24 @@
 ~cli
 	@lex lex
+~aaa login root root
+~web serve
+~ssh dial chat.shylinux.com:9090 true
+sleep 1
+~host1
+	ifneq load load end
+	remote context mpa register terminal shhylinux term term term 1
+	$sessid $result
+	remote cache sessid $sessid
+	~nfs save usr/sess.txt "terminal: " $sessid
+	~nfs genqr usr/sess.png "terminal: " $sessid
+	end
+return
 # ~cli
 # 	remote slaver listen ":9393" tcp
-~aaa
-	login root root
 # ~ssh
 # 	listen :9191
 ~tcp
 	listen :9393
-~web
-	listen
 
 # ~tcp dial ":9393"
 # @debug on
@@ -21,7 +30,6 @@
 # @debug on
 # ~nfs
 # 	open hi.txt
-return
 
 
 @debug

src/context/aaa/aaa.go

@@ -17,7 +17,7 @@ type AAA struct {
 	*ctx.Context
 }
 
-func (aaa *AAA) session(meta string) string {
+func (aaa *AAA) Session(meta string) string {
 	bs := md5.Sum([]byte(fmt.Sprintln("%d%d%s", time.Now().Unix(), rand.Int(), meta)))
 	sessid := hex.EncodeToString(bs[:])
 	return sessid
@@ -45,7 +45,7 @@ func (aaa *AAA) Begin(m *ctx.Message, arg ...string) ctx.Server {
 		return x.Value
 	}}
 
-	aaa.Caches["sessid"] = &ctx.Cache{Name: "会话标识", Value: "", Help: "用户的会话标识"}
+	aaa.Caches["sessid"] = &ctx.Cache{Name: "会话令牌", Value: "", Help: "用户的会话标识"}
 	aaa.Caches["expire"] = &ctx.Cache{Name: "会话超时", Value: "", Help: "用户的会话标识"}
 	aaa.Caches["time"] = &ctx.Cache{Name: "登录时间", Value: fmt.Sprintf("%d", time.Now().Unix()), Help: "用户登录时间", Hand: func(m *ctx.Message, x *ctx.Cache, arg ...string) string {
 		if len(arg) > 0 {
@@ -60,28 +60,29 @@ func (aaa *AAA) Begin(m *ctx.Message, arg ...string) ctx.Server {
 	if m.Target == Index {
 		Pulse = m
 	}
-
-	aaa.Owner = aaa.Context
 	return aaa
 }
 
 func (aaa *AAA) Start(m *ctx.Message, arg ...string) bool {
-	if len(arg) > 1 {
+	if len(arg) > 1 && m.Cap("sessid") == "" {
-		if m.Cap("sessid") == "" {
+		m.Cap("group", arg[0])
-			m.Cap("sessid", aaa.session(arg[1]))
+		m.Cap("username", arg[1])
-			Pulse.Capi("nuser", 1)
-		}
-		m.Log("info", m.Source, "create %s %s", m.Cap("group", arg[0]), m.Cap("username", arg[1]))
 		m.Cap("stream", m.Cap("username"))
+		m.Cap("sessid", aaa.Session(arg[1]))
+		Pulse.Capi("nuser", 1)
+		aaa.Owner = aaa.Context
+		aaa.Group = arg[0]
 	}
-	m.Log("info", m.Source, "login %s %s", m.Cap("group"), m.Cap("username"))
 
+	m.Log("info", m.Source, "%s login %s %s", Pulse.Cap("nuser"), m.Cap("group"), m.Cap("username"))
 	return false
 }
 
 func (aaa *AAA) Close(m *ctx.Message, arg ...string) bool {
 	switch aaa.Context {
 	case m.Target:
+		root := Pulse.Target.Server.(*AAA)
+		delete(root.sessions, m.Cap("sessid"))
 		m.Log("info", nil, "%d logout %s", Pulse.Capi("nuser", -1)+1, m.Cap("username"))
 	case m.Source:
 	}
@@ -99,7 +100,7 @@ var Index = &ctx.Context{Name: "aaa", Help: "认证中心",
 		"expire":   &ctx.Config{Name: "会话超时(s)", Value: "120", Help: "会话超时"},
 	},
 	Commands: map[string]*ctx.Command{
-		"login": &ctx.Command{Name: "login [sessid]|[[group] username password]]", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"login": &ctx.Command{Name: "login [sessid]|[[group] username password]]", Help: "用户登录", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			m.Target, m.Master = c, c
 			aaa := c.Server.(*AAA)
 
@@ -107,23 +108,20 @@ var Index = &ctx.Context{Name: "aaa", Help: "认证中心",
 			case 0:
 				m.Travel(c, func(m *ctx.Message) bool {
 					m.Echo("%s(%s): %s\n", m.Target.Name, m.Cap("group"), m.Cap("time"))
+					if int64(m.Capi("expire")) < time.Now().Unix() {
+						m.Target.Close(m)
+					}
 					return true
 				})
 			case 1:
-				if s, ok := aaa.sessions[arg[0]]; ok {
+				s, ok := aaa.sessions[arg[0]]
-					if m.Target = s; int64(m.Capi("expire")) < time.Now().Unix() {
+				m.Assert(ok, "会话失败")
-						s.Close(m)
+				m.Target = s
-						return
+				m.Assert(int64(m.Capi("expire")) > time.Now().Unix(), "会话失败")
-					}
 
-					m.Source.Group, m.Source.Owner = m.Cap("group"), m.Target
+				m.Source.Group, m.Source.Owner = m.Cap("group"), m.Target
-					m.Log("info", m.Source, "logon %s", m.Cap("group"), m.Cap("username"))
+				m.Log("info", m.Source, "logon %s %s", m.Cap("username"), m.Cap("group"))
-					if m.Name != "" {
+				m.Echo(m.Cap("username"))
-						c.Requests = append(c.Requests, m)
-						m.Index = len(m.Target.Requests)
-					}
-					m.Echo(m.Cap("username"))
-				}
 			case 2, 3:
 				group, username, password := arg[0], arg[0], arg[1]
 				if len(arg) == 3 {
@@ -132,15 +130,10 @@ var Index = &ctx.Context{Name: "aaa", Help: "认证中心",
 
 				if username == Pulse.Conf("rootname") {
 					m.Set("detail", group, username).Target.Start(m)
-				} else if msg := m.Find(username); msg == nil {
+				} else if msg := m.Find(username, false); msg == nil {
 					m.Start(username, "认证用户", group, username)
 				} else {
 					m.Target = msg.Target
-					msg.Target.Start(msg)
-					if m.Name != "" {
-						m.Target.Requests = append(m.Target.Requests, m)
-						m.Index = len(m.Target.Requests)
-					}
 				}
 
 				m.Cap("password", password)

src/context/cli/cli.go

@@ -8,6 +8,7 @@ import ( // {{{
 	"io"
 	"os"
 	"os/exec"
+	"strconv"
 	"strings"
 	"time"
 	"unicode"
@@ -128,10 +129,15 @@ func (cli *CLI) parse(m *ctx.Message) bool { // {{{
 
 		if r := rune(ls[i][0]); r == '$' || r == '_' || (!unicode.IsNumber(r) && !unicode.IsLetter(r)) {
 			if c, ok := cli.alias[string(r)]; ok {
-				if msg.Add("detail", c); len(ls[i]) > 1 {
+				if i == 0 {
+					if msg.Add("detail", c); len(ls[i]) == 1 {
+						continue
+					}
 					ls[i] = ls[i][1:]
-				} else {
+				} else if len(ls[i]) > 1 {
-					continue
+					mm := m.Spawn(cli.target)
+					m.Assert(mm.Exec(c, ls[i][1:]))
+					ls[i] = mm.Get("result")
 				}
 			}
 		}
@@ -149,7 +155,10 @@ func (cli *CLI) parse(m *ctx.Message) bool { // {{{
 	msg.Wait = make(chan bool)
 	msg.Post(cli.Context)
 
-	cli.echo(strings.Join(msg.Meta["result"], ""))
+	result := strings.TrimRight(strings.Join(msg.Meta["result"], ""), "\n") + "\n"
+	if len(result) > 1 {
+		cli.echo(m.Cap("result", result))
+	}
 	cli.target = msg.Target
 	cli.back = line
 	return true
@@ -168,6 +177,7 @@ func (cli *CLI) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 
 // }}}
 func (cli *CLI) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
+	cli.Caches["result"] = &ctx.Cache{Name: "前一条指令执行结果", Value: "", Help: "前一条指令执行结果"}
 	cli.Configs["slient"] = &ctx.Config{Name: "屏蔽脚本输出(yes/no)", Value: "yes", Help: "屏蔽脚本输出的信息，yes:屏蔽，no:不屏蔽"}
 	cli.Configs["PS1"] = &ctx.Config{Name: "命令行提示符(target/detail)", Value: "target", Help: "命令行提示符，target:显示当前模块，detail:显示详细信息", Hand: func(m *ctx.Message, x *ctx.Config, arg ...string) string {
 		if len(arg) > 0 { // {{{
@@ -326,22 +336,24 @@ func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
 
 	m.Deal(nil, func(msg *ctx.Message, arg ...string) bool {
 		if msg.Get("result") == "error: " {
-			msg.Log("system", nil, "%v", msg.Meta["detail"])
+			if msg.Get("detail") != "login" {
+				msg.Log("system", nil, "%v", msg.Meta["detail"])
 
-			msg.Set("result")
+				msg.Set("result")
-			msg.Set("append")
+				msg.Set("append")
-			c := exec.Command(msg.Meta["detail"][0], msg.Meta["detail"][1:]...)
+				c := exec.Command(msg.Meta["detail"][0], msg.Meta["detail"][1:]...)
 
-			if len(cli.ins) == 1 && cli.Context == Index {
+				if len(cli.ins) == 1 && cli.Context == Index {
-				c.Stdin, c.Stdout, c.Stderr = cli.in, cli.out, cli.out
+					c.Stdin, c.Stdout, c.Stderr = cli.in, cli.out, cli.out
-				msg.Assert(c.Start())
+					msg.Assert(c.Start())
-				msg.Assert(c.Wait())
+					msg.Assert(c.Wait())
-			} else {
-				if out, e := c.CombinedOutput(); e == nil {
-					msg.Echo(string(out))
 				} else {
-					msg.Echo("error: ")
+					if out, e := c.CombinedOutput(); e == nil {
-					msg.Echo("%s\n", e)
+						msg.Echo(string(out))
+					} else {
+						msg.Echo("error: ")
+						msg.Echo("%s\n", e)
+					}
 				}
 			}
 		}
@@ -397,6 +409,12 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 
 			// }}}
 		}},
+		"sleep": &ctx.Command{Name: "sleep time", Help: "运行脚本", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			t, e := strconv.Atoi(arg[0])
+			m.Assert(e)
+			m.Log("info", nil, "sleep %ds", t)
+			time.Sleep(time.Second * time.Duration(t))
+		}},
 		"return": &ctx.Command{Name: "return", Help: "运行脚本", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			cli := c.Server.(*CLI) // {{{
 			cli.bio.Discard(cli.bio.Buffered())

src/context/ctx.go

@@ -136,7 +136,7 @@ func (c *Context) Begin(m *Message) *Context { // {{{
 
 // }}}
 func (c *Context) Start(m *Message) bool { // {{{
-	if c.Requests = append(c.Requests, m); m.Cap("status") != "start" {
+	if c.Requests, m.Index = append(c.Requests, m), len(c.Requests)+1; m.Cap("status") != "start" {
 		running := make(chan bool)
 		go m.AssertOne(m, true, func(m *Message) {
 			m.Log(m.Cap("status", "start"), nil, "%d server %v", m.root.Capi("nserver", 1), m.Meta["detail"])
@@ -519,6 +519,8 @@ func (m *Message) Assert(e interface{}, msg ...string) bool { // {{{
 		if len(msg) > 2 {
 			msg = msg[2:]
 		}
+	case *Message:
+		panic(e)
 	default:
 		return true
 	}
@@ -538,6 +540,11 @@ func (m *Message) Assert(e interface{}, msg ...string) bool { // {{{
 func (m *Message) AssertOne(msg *Message, safe bool, hand ...func(msg *Message)) *Message { // {{{
 	defer func() {
 		if e := recover(); e != nil {
+			switch e.(type) {
+			case *Message:
+				panic(e)
+			}
+
 			msg.Log("error", nil, "error: %v", e)
 			if msg.root.Conf("debug") == "on" && e != io.EOF {
 				fmt.Printf("\n\033[31m%s error: %v\033[0m\n", msg.Target.Name, e)
@@ -682,9 +689,9 @@ func (m *Message) Search(key string, root ...bool) []*Message { // {{{
 
 // }}}
 func (m *Message) Find(name string, root ...bool) *Message { // {{{
-	target := m.Target
+	target := m.Target.root
-	if len(root) > 0 && root[0] {
+	if len(root) > 0 && !root[0] {
-		target = m.Target.root
+		target = m.Target
 	}
 
 	cs := target.contexts
@@ -746,9 +753,7 @@ func (m *Message) Set(meta string, arg ...string) *Message { // {{{
 		m.Meta[meta] = arg
 	case "option", "append":
 		if len(arg) > 0 {
-			if _, ok := m.Meta[arg[0]]; !ok {
+			m.Meta[meta] = []string{arg[0]}
-				m.Meta[meta] = append(m.Meta[meta], arg[0])
-			}
 			m.Meta[arg[0]] = arg[1:]
 		} else {
 			for _, k := range m.Meta[meta] {
@@ -808,6 +813,13 @@ func (m *Message) Get(key string) string { // {{{
 	return ""
 }
 
+// }}}
+func (m *Message) Geti(key string) int { // {{{
+	n, e := strconv.Atoi(m.Get(key))
+	m.Assert(e)
+	return n
+}
+
 // }}}
 func (m *Message) Echo(str string, arg ...interface{}) *Message { // {{{
 	return m.Add("result", fmt.Sprintf(str, arg...))
@@ -830,7 +842,7 @@ func (m *Message) Exec(key string, arg ...string) string { // {{{
 			m.Master = m.Source
 			if x, ok := s.Commands[key]; ok && x.Hand != nil && m.Check(c, "commands", key) {
 				m.AssertOne(m, true, func(m *Message) {
-					m.Log("cmd", s, "%s %v", key, arg)
+					m.Log("cmd", s, "%s %v %v", key, arg, m.Meta["option"])
 
 					if x.Options != nil {
 						for _, v := range m.Meta["option"] {
@@ -1250,10 +1262,10 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 
 			// }}}
 		}},
-		"context": &Command{Name: "context [root] [[find|search] name] [list|show|spawn|start|switch|close][args]", Help: "查找并操作模块，\n查找起点root:根模块、back:父模块、home:本模块，\n查找方法find:路径匹配、search:模糊匹配，\n查找对象name:支持点分和正则，\n操作类型show:显示信息、switch:切换为当前、start:启动模块、spawn:分裂子模块，args:启动参数",
+		"context": &Command{Name: "context [home] [[find|search] name] [info|list|show|spawn|start|switch|close][args]", Help: "查找并操作模块，\n查找起点root:根模块、back:父模块、home:本模块，\n查找方法find:路径匹配、search:模糊匹配，\n查找对象name:支持点分和正则，\n操作类型show:显示信息、switch:切换为当前、start:启动模块、spawn:分裂子模块，args:启动参数",
-			Formats: map[string]int{"root": 0, "back": 0, "home": 0, "find": 1, "search": 1, "list": 0, "show": 0, "close": 0, "switch": 0, "start": 0, "spawn": 0},
+			Formats: map[string]int{"back": 0, "home": 0, "find": 1, "search": 1, "info": 1, "list": 0, "show": 0, "close": 0, "switch": 0, "start": 0, "spawn": 0},
 			Hand: func(m *Message, c *Context, key string, arg ...string) {
-				root := true || m.Has("root") // {{{
+				root := !m.Has("home") // {{{
 
 				ms := []*Message{}
 				switch {
@@ -1277,14 +1289,17 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 				}
 
 				for _, v := range ms {
-					m.Target = v.Target
+					v.Meta = m.Meta
-
+					v.Data = m.Data
 					switch {
 					case m.Has("switch"):
+						m.Target = v.Target
 					case m.Has("spawn"):
 						v.Set("detail", arg[2:]...).Target.Spawn(v, arg[0], arg[1]).Begin(v)
+						m.Target = v.Target
 					case m.Has("start"):
 						v.Set("detail", arg...).Target.Start(v)
+						m.Target = v.Target
 					case m.Has("close"):
 						v.Target.Close(v)
 					case m.Has("show"):
@@ -1304,6 +1319,15 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 								m.Echo("  %s: -> %s %v\n", k, v.Target.Name, v.Meta["detail"])
 							}
 						}
+					case m.Has("info"):
+						switch m.Get("info") {
+						case "name":
+							m.Echo("%s", v.Target.Name)
+						case "owner":
+							m.Echo("%s", v.Target.Owner.Name)
+						default:
+							m.Echo("%s(%s): %s\n", v.Target.Name, v.Target.Owner.Name, v.Target.Help)
+						}
 					case m.Has("list") || len(m.Meta["detail"]) == 1:
 						m.Travel(v.Target, func(msg *Message) bool {
 							target := msg.Target
@@ -1338,7 +1362,11 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 							return true
 						})
 					case len(arg) > 0 && v != m:
-						v.Set("detail", arg...).Cmd()
+						v.Cmd(arg...)
+						// m.Meta = v.Meta
+						// m.Target = target
+					default:
+						m.Target = v.Target
 					}
 				}
 				// }}}
@@ -1456,18 +1484,21 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 					}
 
 					m.BackTrace(func(m *Message) bool {
-						if all {
+						// if all {
-							m.Echo("%s config:\n", m.Target.Name)
+						// 	m.Echo("%s config:\n", m.Target.Name)
-						}
+						// }
 						if x, ok := m.Target.Configs[arg[0]]; ok {
 							if m.Check(m.Target, "configs", arg[0]) {
-								if all {
+								// if all {
-									m.Echo("  ")
+								// 	m.Echo("  ")
-								}
+								// }
-								m.Echo("%s: %s\n", x.Name, x.Help)
+								// m.Echo("%s: %s\n", x.Name, x.Help)
+								m.Echo("%s", x.Value)
+								return false
 							}
 						}
-						return all
+						return true
+						// return all
 					})
 
 				case 2:
@@ -1512,18 +1543,21 @@ var Index = &Context{Name: "ctx", Help: "模块中心",
 					}
 
 					m.BackTrace(func(m *Message) bool {
-						if all {
+						// if all {
-							m.Echo("%s config:\n", m.Target.Name)
+						// 	m.Echo("%s config:\n", m.Target.Name)
-						}
+						// }
 						if x, ok := m.Target.Caches[arg[0]]; ok {
 							if m.Check(m.Target, "caches", arg[0]) {
-								if all {
+								// if all {
-									m.Echo("  ")
+								// 	m.Echo("  ")
-								}
+								// }
-								m.Echo("%s: %s\n", x.Name, x.Help)
+								// m.Echo("%s: %s\n", x.Name, x.Help)
+								m.Echo("%s", x.Value)
+								return false
 							}
 						}
-						return all
+						return true
+						// return all
 					})
 				case 2:
 					m.Cap(arg[0], arg[1])

src/context/ssh/ssh.go

@@ -11,20 +11,25 @@ import (
 
 type SSH struct {
 	send map[string]*ctx.Message
+	*bufio.Writer
 	*bufio.Reader
 	net.Conn
+
 	*ctx.Context
 }
 
 func (ssh *SSH) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server {
 	c.Caches = map[string]*ctx.Cache{
-		"nsend": &ctx.Cache{Name: "nsend", Value: "0", Help: "消息发送数量"},
+		"nsend":  &ctx.Cache{Name: "消息发送数量", Value: "0", Help: "消息发送数量"},
+		"nrecv":  &ctx.Cache{Name: "消息接收数量", Value: "0", Help: "消息接收数量"},
+		"target": &ctx.Cache{Name: "消息接收模块", Value: "ssh", Help: "消息接收模块"},
+		"result": &ctx.Cache{Name: "前一条指令执行结果", Value: "", Help: "前一条指令执行结果"},
+		"sessid": &ctx.Cache{Name: "会话令牌", Value: "", Help: "会话令牌"},
 	}
 	c.Configs = map[string]*ctx.Config{}
 
 	s := new(SSH)
 	s.Context = c
-	s.send = make(map[string]*ctx.Message)
 	return s
 }
 
@@ -36,10 +41,13 @@ func (ssh *SSH) Begin(m *ctx.Message, arg ...string) ctx.Server {
 }
 
 func (ssh *SSH) Start(m *ctx.Message, arg ...string) bool {
+	ssh.Group = ""
 	ssh.Owner = nil
 	ssh.Conn = m.Data["io"].(net.Conn)
 	ssh.Reader = bufio.NewReader(ssh.Conn)
-	m.Log("info", nil, "%d remote %v", 0, ssh.Conn.RemoteAddr())
+	ssh.Writer = bufio.NewWriter(ssh.Conn)
+	ssh.send = make(map[string]*ctx.Message)
+	m.Log("info", nil, "%s connect %v <-> %v", Pulse.Cap("nhost"), ssh.Conn.LocalAddr(), ssh.Conn.RemoteAddr())
 
 	target, msg := m.Target, m.Spawn(m.Target)
 
@@ -48,31 +56,30 @@ func (ssh *SSH) Start(m *ctx.Message, arg ...string) bool {
 		m.Assert(e)
 
 		if line = strings.TrimSpace(line); len(line) == 0 {
-			if msg.Has("detail") {
+			if msg.Log("info", nil, "remote: %v", msg.Meta["option"]); msg.Has("detail") {
-				msg.Log("info", nil, "remote: %v", msg.Meta["detail"])
+				msg.Log("info", nil, "%d exec: %v", m.Capi("nrecv", 1), msg.Meta["detail"])
-				msg.Log("info", nil, "remote: %v", msg.Meta["option"])
 
 				msg.Cmd(msg.Meta["detail"]...)
 				target = msg.Target
+				m.Cap("target", target.Name)
 
-				fmt.Fprintf(ssh.Conn, "result: ")
 				for _, v := range msg.Meta["result"] {
-					fmt.Fprintf(ssh.Conn, "%s", url.QueryEscape(v))
+					fmt.Fprintf(ssh.Writer, "result: %s\n", url.QueryEscape(v))
 				}
-				fmt.Fprintf(ssh.Conn, "\n")
 
-				msg.Meta["append"] = append(msg.Meta["append"], "nsend")
+				fmt.Fprintf(ssh.Writer, "nsend: %s\n", msg.Get("nrecv"))
-				msg.Add("append", "nsend", msg.Get("nsend"))
 				for _, k := range msg.Meta["append"] {
 					for _, v := range msg.Meta[k] {
-						fmt.Fprintf(ssh.Conn, "%s: %s\n", k, v)
+						fmt.Fprintf(ssh.Writer, "%s: %s\n", k, v)
 					}
 				}
-				fmt.Fprintf(ssh.Conn, "\n")
+				fmt.Fprintf(ssh.Writer, "\n")
-			} else if msg.Has("result") {
+				ssh.Writer.Flush()
-				msg.Log("info", nil, "remote: %v", msg.Meta["result"])
+			} else {
-				msg.Log("info", nil, "remote: %v", msg.Meta["append"])
+				msg.Log("info", nil, "%s echo: %v", msg.Get("nsend"), msg.Meta["result"])
 
+				m.Cap("result", msg.Get("result"))
+				msg.Meta["append"] = msg.Meta["option"]
 				send := ssh.send[msg.Get("nsend")]
 				send.Meta = msg.Meta
 				send.Recv <- true
@@ -101,36 +108,39 @@ func (ssh *SSH) Close(m *ctx.Message, arg ...string) bool {
 var Pulse *ctx.Message
 var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
 	Caches: map[string]*ctx.Cache{
-		"nhost": &ctx.Cache{Name: "nhost", Value: "0", Help: "主机数量"},
+		"nhost": &ctx.Cache{Name: "主机数量", Value: "0", Help: "主机数量"},
 	},
 	Configs: map[string]*ctx.Config{},
 	Commands: map[string]*ctx.Command{
-		"listen": &ctx.Command{Name: "listen address", Help: "监听连接", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"listen": &ctx.Command{Name: "listen address protocol", Help: "监听连接", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			m.Find("tcp", true).Cmd(m.Meta["detail"]...)
+			m.Find("tcp").Cmd(m.Meta["detail"]...)
 		}},
-		"dial": &ctx.Command{Name: "dial address", Help: "建立连接", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"dial": &ctx.Command{Name: "dial address protocol", Help: "建立连接", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			m.Find("tcp", true).Cmd(m.Meta["detail"]...)
+			m.Find("tcp").Cmd(m.Meta["detail"]...)
 		}},
 		"open": &ctx.Command{Name: "open", Help: "打开连接", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			m.Start(fmt.Sprintf("host%s", Pulse.Capi("nhost", 1)), "主机连接")
+			m.Start(fmt.Sprintf("host%d", Pulse.Capi("nhost", 1)), "主机连接")
 		}},
 		"remote": &ctx.Command{Name: "remote detail...", Help: "远程执行", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			ssh, ok := m.Target.Server.(*SSH)
 			m.Assert(ok)
+
 			m.Capi("nsend", 1)
-			m.Recv = make(chan bool)
+			m.Add("option", "nrecv", m.Cap("nsend"))
-			m.Add("option", "nsend", m.Cap("nsend"))
 			ssh.send[m.Cap("nsend")] = m
 
 			for _, v := range arg {
-				fmt.Fprintf(ssh.Conn, "detail: %v\n", v)
+				fmt.Fprintf(ssh.Writer, "detail: %v\n", v)
 			}
 			for _, k := range m.Meta["option"] {
 				for _, v := range m.Meta[k] {
-					fmt.Fprintf(ssh.Conn, "%s: %s\n", k, v)
+					fmt.Fprintf(ssh.Writer, "%s: %s\n", k, v)
 				}
 			}
-			fmt.Fprintf(ssh.Conn, "\n")
+			fmt.Fprintf(ssh.Writer, "\n")
+			ssh.Writer.Flush()
+
+			m.Recv = make(chan bool)
 			<-m.Recv
 		}},
 	},