From 2d390df9ede39c9d7c34bd8190b9329cfc371325 Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期五, 27 九月 2019 16:19:05 +0800
Subject: [PATCH] remove exist ipc
---
nng.go | 218 +++++++++++++++++++++++------------------------------
1 files changed, 95 insertions(+), 123 deletions(-)
diff --git a/nng.go b/nng.go
index 7ddddad..812cc37 100644
--- a/nng.go
+++ b/nng.go
@@ -24,156 +24,122 @@
// NNG mangos wrap
type NNG struct {
sock mangos.Socket
- raw bool
+ typ td
+ mode Mode
+ url string
+
+ arguments []interface{}
}
// Send impl interface Diliver
func (n *NNG) Send(data []byte) error {
- if n.sock == nil {
+ if n == nil {
return errors.New("please init NNG first")
+ }
+ var err error
+ if n.sock == nil {
+ n.sock, err = n.makeNNG(agent)
+ if err != nil {
+ fmt.Println("create nng sender error")
+ return err
+ }
}
if surveyorTime > 0 {
time.Sleep(time.Duration(surveyorTime*2) * time.Second)
}
- if n.raw {
- msg := mangos.NewMessage(len(data))
- msg.Body = data
- return n.sock.SendMsg(msg)
- }
-
- return n.sock.Send(data)
+ msg := mangos.NewMessage(1)
+ msg.Body = data
+ return n.sock.SendMsg(msg)
}
// Recv impl interface Diliver
func (n *NNG) Recv() ([]byte, error) {
- if n.sock == nil {
+ if n == nil {
return nil, errors.New("please init NNG first")
}
- if n.raw {
- var msg *mangos.Message
- var err error
- if msg, err = n.sock.RecvMsg(); err != nil {
+
+ var err error
+
+ if n.sock == nil {
+ n.sock, err = n.makeNNG(coactee)
+ if err != nil {
+ fmt.Println("create nng reciever error")
return nil, err
}
- return msg.Body, nil
}
- return n.sock.Recv()
+
+ var msg *mangos.Message
+ if msg, err = n.sock.RecvMsg(); err != nil {
+ return nil, err
+ }
+ return msg.Body, nil
+
+}
+
+// Recv2 impl interface
+func (n *NNG) Recv2(data []byte) (l int, err error) {
+ data, err = n.Recv()
+ l = len(data)
+ return l, err
}
// Close impl interface Deliver
func (n *NNG) Close() {
- if n.sock != nil {
+ if n != nil && n.sock != nil {
n.sock.Close()
n.sock = nil
}
}
-func nngPush(m Mode, url string, args ...interface{}) *NNG {
+func nngServer(m Mode, url string, args ...interface{}) *NNG {
rmExistedIpcName(url)
- if sock, err := newSocket(protoProducer(m)); err == nil {
- if err = setSocketOptions(sock, args); err != nil {
- sock.Close()
- sock = nil
- return nil
- }
- if err = sock.Listen(url); err != nil {
- sock.Close()
- sock = nil
- return nil
- }
- return &NNG{
- sock,
- true,
- }
+
+ return &NNG{
+ typ: agent,
+ mode: m,
+ url: url,
+ arguments: args,
+ }
+}
+
+func nngClient(m Mode, url string, args ...interface{}) *NNG {
+
+ return &NNG{
+ typ: coactee,
+ mode: m,
+ url: url,
+ arguments: args,
}
- return nil
}
-func nngPull(m Mode, url string, args ...interface{}) *NNG {
-
- if sock, err := newSocket(protoConsumer(m)); err == nil {
- if err = setSocketOptions(sock, args); err != nil {
- sock.Close()
- sock = nil
- return nil
- }
-
- if err = sock.Dial(url); err != nil {
- sock.Close()
- sock = nil
- return nil
- }
-
- return &NNG{
- sock,
- true,
- }
+func proto(typ td, m Mode) protocol {
+ if typ == agent {
+ return protoAgent(m)
+ } else if typ == coactee {
+ return protoCoactee(m)
}
-
- return nil
+ return NONE
}
-// maxRecvSize max recv size
-var (
- maxRecvSize = 33 * 1024 * 1024
- surveyorTime = -1
-)
+func (n *NNG) makeNNG(typ td) (mangos.Socket, error) {
-func defualtSocketOptions() map[string]interface{} {
+ var sock mangos.Socket
+ var err error
- options := make(map[string]interface{})
-
- options[mangos.OptionMaxRecvSize] = maxRecvSize
- options[mangos.OptionWriteQLen] = 0
- options[mangos.OptionReadQLen] = 0
- options[mangos.OptionRecvDeadline] = time.Second
- options[mangos.OptionSendDeadline] = time.Second
- options[mangos.OptionRaw] = true
-
- return options
-}
-
-func setSocketOptions(sock mangos.Socket, args ...interface{}) error {
-
- options := defualtSocketOptions()
-
- switch sock.GetProtocol().Number() {
- case mangos.ProtoSub:
- for _, arg := range args {
- switch arg.(type) {
- case string:
- options[mangos.OptionSubscribe] = []byte(arg.(string))
- default:
- options[mangos.OptionSubscribe] = []byte("")
- }
- }
- case mangos.ProtoSurveyor:
- for _, arg := range args {
- switch arg.(type) {
- case int:
- if arg.(int) < 2 {
- surveyorTime = 1
- } else {
- surveyorTime = arg.(int) / 2
- }
- default:
- }
- options[mangos.OptionSurveyTime] = time.Duration(surveyorTime) * time.Second
- }
+ switch n.mode {
+ case Bus:
+ sock, err = n.busMakeNNG(typ)
+ case ReqRep, SurvResp:
+ sock, err = n.rrMakeNNG(typ)
default:
- fmt.Println("no additional args")
+ sock, err = n.ppMakeNNG(typ)
}
- for k, v := range options {
- if err := sock.SetOption(k, v); err != nil {
- return err
- }
- }
- return nil
+ return sock, err
}
func rmExistedIpcName(url string) {
@@ -181,6 +147,8 @@
if s[0] == "ipc" {
if _, err := os.Stat(s[1]); err == nil {
+ os.Remove(s[1])
+ } else if !os.IsNotExist(err) {
os.Remove(s[1])
}
}
@@ -190,6 +158,9 @@
// access the underlying library.
func newSocket(p protocol) (mangos.Socket, error) {
+ if p == NONE {
+ return nil, errors.New("new socket protocol none")
+ }
var s mangos.Socket
var err error
@@ -238,6 +209,7 @@
// Constants for protocols.
const (
+ NONE = -1
PUSH = protocol(mangos.ProtoPush)
PULL = protocol(mangos.ProtoPull)
PUB = protocol(mangos.ProtoPub)
@@ -250,38 +222,38 @@
PAIR = protocol(mangos.ProtoPair)
)
-func protoProducer(m Mode) protocol {
+func protoAgent(m Mode) protocol {
switch m {
case PushPull:
return PUSH
case PubSub:
return PUB
- case ReqRep:
- return REP
- case SurvResp:
- return SURVEYOR
- case Bus:
- return BUS
case Pair:
return PAIR
+ case SurvResp:
+ return SURVEYOR
+ case ReqRep:
+ return REQ
+ case Bus:
+ return BUS
}
- return PUSH
+ return NONE
}
-func protoConsumer(m Mode) protocol {
+func protoCoactee(m Mode) protocol {
switch m {
case PushPull:
return PULL
case PubSub:
return SUB
- case ReqRep:
- return REQ
- case SurvResp:
- return RESPONDENT
- case Bus:
- return BUS
case Pair:
return PAIR
+ case SurvResp:
+ return RESPONDENT
+ case ReqRep:
+ return REP
+ case Bus:
+ return BUS
}
- return PULL
+ return NONE
}
--
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