How to use Recv method of main Package

Best K6 code snippet using main.Recv

session.go

Source:session.go Github

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...2829 uuid uuid.UUID // UUID3031 chSendProto chan *ffProto.Proto // 待发送协议管道32 chWaitRecvSendGoroutineExit chan struct{} // 等待发送/接收协程退出33 chNtfRecvSendGoroutineExit chan struct{} // 通知发送/接收协程退出34 onceClose util.Once // 用于只执行一次关闭tcpsession3536 manualClose bool // 是否主动断开连接37}3839// UUID UUID40func (s *tcpSession) UUID() uuid.UUID {41 return s.uuid42}4344// Start 主循环45func (s *tcpSession) Start(chSendProto chan *ffProto.Proto, chNetEventData chan base.NetEventData, recvProtoExtraDataType ffProto.ExtraDataType) {46 // 重新开始47 if s.sendLeft != nil {48 s.sendLeft = s.sendLeft[:0]49 } else {50 s.sendLeft = make([]byte, 0)51 }52 s.sendProtoHeader.ResetForSend()53 s.recvProtoHeader.ResetForRecv(recvProtoExtraDataType)5455 s.chWaitRecvSendGoroutineExit = make(chan struct{}, 2)56 s.chNtfRecvSendGoroutineExit = make(chan struct{})57 s.onceClose.Reset()5859 s.manualClose = false6061 s.chNetEventData, s.chSendProto = chNetEventData, chSendProto6263 log.RunLogger.Printf("tcpSession[%v].Start", s)6465 s.chNetEventData <- newSessionNetEventOn(s)6667 // start recv goroutine68 go util.SafeGo(s.mainRecv, s.mainRecvEnd, s.uuid)6970 // start send goroutine71 go util.SafeGo(s.mainSend, s.mainSendEnd, s.uuid)72}7374// Close 在执行Start之前, 就直接关闭连接, 用于外界已决定关闭服务时新建立的连接需要立即关闭75func (s *tcpSession) Close() {76 s.onceClose.Do(func() {77 // 关闭底层连接78 s.conn.Close()7980 // 归还81 sessPool.back(s)82 })83}8485func (s *tcpSession) String() string {86 return fmt.Sprintf(`%p:%v`, s, s.uuid)87}8889// setConn 设置底层连接对象90func (s *tcpSession) setConn(conn net.Conn) {91 s.conn = conn92}9394func (s *tcpSession) mainSend(params ...interface{}) {95 log.RunLogger.Printf("tcpSession[%v].mainSend", s)9697 for {98 select {99 case <-s.chNtfRecvSendGoroutineExit:100 // 关闭101 return102 case proto := <-s.chSendProto:103 // 发送104 if proto == nil {105 // 标识主动退出106 s.manualClose = true107 log.RunLogger.Printf("tcpSession[%v].mainSend start quit", s)108 return109 } else if !s.doSend(proto) {110 return111 }112 }113114 // 有未发送完毕的数据, 且当前没有等待发送的协议115 loopSendLeft:116 for len(s.sendLeft) > 0 && len(s.chSendProto) == 0 {117 // 等待2毫秒118 <-time.After(2 * time.Microsecond)119120 if !s.doSendBuf(s.sendLeft) {121 return122 }123124 select {125 case <-s.chNtfRecvSendGoroutineExit:126 // 关闭127 return128 default:129 break loopSendLeft130 }131 }132 }133}134135func (s *tcpSession) mainSendEnd(isPanic bool) {136 log.RunLogger.Printf("tcpSession[%v].mainSendEnd isPanic[%v]", s, isPanic)137138 s.chWaitRecvSendGoroutineExit <- struct{}{}139140 s.onceClose.Do(func() {141 s.doClose()142 })143}144145func (s *tcpSession) doSend(p *ffProto.Proto) bool {146 defer p.BackAfterSend()147148 err := p.Marshal(s.sendProtoHeader)149 if err != nil {150 log.RunLogger.Printf("tcpSession[%v].doSend err[%v]", s, err)151 return false152 }153154 buf := p.BytesForSend()155156 // 之前的发送有遗留157 if len(s.sendLeft) > 0 {158 s.sendLeft = append(s.sendLeft, buf...)159 buf = s.sendLeft160 }161162 return s.doSendBuf(buf)163}164165func (s *tcpSession) doSendBuf(buf []byte) bool {166 s.sendLeft = s.sendLeft[:0]167168 // 发送169 n, err := s.conn.Write(buf)170171 log.RunLogger.Printf("tcpSession[%v].doSend send buf[%v] send real[%d] err[%v]", s, buf, n, err)172173 // 全部发送174 if n == len(buf) {175 return true176 }177178 log.RunLogger.Printf("tcpSession[%v].doSend send expect[%v] send real[%v] err[%v]", s, len(buf), n, err)179180 // 发送了部分181 if n > 0 {182 s.sendLeft = append(s.sendLeft, buf[n:]...)183 return true184 }185186 // 一点都没发送出去, 则认为连接出现了问题187 return false188}189190func (s *tcpSession) mainRecv(params ...interface{}) {191 log.RunLogger.Printf("tcpSession[%v].mainRecv", s)192193 var err error194 for {195 // 接收196 if err = s.doRecv(); err != nil {197 log.RunLogger.Printf("tcpSession[%v].mainRecv err[%v] manualClose[%v]", s, err, s.manualClose)198 return199 }200201 // 是否关闭202 select {203 case <-s.chNtfRecvSendGoroutineExit:204 return205 default:206 break207 }208 }209}210func (s *tcpSession) mainRecvEnd(isPanic bool) {211 log.RunLogger.Printf("tcpSession[%v].mainRecvEnd isPanic[%v]", s, isPanic)212213 s.chWaitRecvSendGoroutineExit <- struct{}{}214215 s.onceClose.Do(func() {216 s.doClose()217 })218}219220func (s *tcpSession) doRecv() (err error) {221 // 接收协议头222 err = s.doRecvHeader()223 if err != nil {224 return225 }226227 // 接收协议内容228 data, err := s.doRecvContent()229 if err != nil {230 return231 }232233 // 协议事件234 s.chNetEventData <- data235236 return nil237}238239// doRecvHeader 接收协议头240func (s *tcpSession) doRecvHeader() error {241 // solve dead link problem:242 // physical disconnection without any communcation between client and server243 // will cause the read to block FOREVER, so a timeout is a rescue.244 s.conn.SetReadDeadline(time.Now().Add(time.Duration(sessionConfig.ReadDeadTime) * time.Second))245246 // read Proto header247 _, err := io.ReadFull(s.conn, s.recvHeaderBuf)248 if err != nil {249 log.RunLogger.Printf("tcpSession[%v].doRecvHeader ReadFull header error[%v]", s, err)250 return err251 }252253 log.RunLogger.Printf("tcpSession[%v].doRecvHeader recvHeaderBuf[%v]", s, s.recvHeaderBuf)254255 // 协议头解析256 err = s.recvProtoHeader.Unmarshal(s.recvHeaderBuf)257 if err != nil {258 log.RunLogger.Printf("tcpSession[%v].doRecvHeader recvProtoHeader.Unmarshal error[%v]", s, err)259 return err260 }261262 return nil263}264265// doRecvContent 接收协议内容266func (s *tcpSession) doRecvContent() (data base.NetEventData, err error) {267 // 接收剩余部分268 p := ffProto.ApplyProtoForRecv(s.recvProtoHeader)269270 defer p.BackAfterRecv()271272 buf := p.BytesForRecv()273274 // solve dead link problem:275 // physical disconnection without any communcation between client and server276 // will cause the read to block FOREVER, so a timeout is a rescue.277 s.conn.SetReadDeadline(time.Now().Add(time.Duration(sessionConfig.ReadDeadTime) * time.Second))278279 _, err = io.ReadFull(s.conn, buf)280 if err != nil {281 log.RunLogger.Printf("tcpSession[%v].doRecv ReadFull content error[%v]", s, err)282 return283 }284285 log.RunLogger.Printf("tcpSession[%v].doRecv recvProtoData[%v]", s, buf)286287 // 数据接收完毕, 通知校验288 err = p.OnRecvAllBytes(s.recvProtoHeader)289 if err != nil {290 log.RunLogger.Printf("tcpSession[%v].doRecv proto[%v] OnRecvAllBytes error[%v]", s, p, err)291 return292 }293294 // 设置Proto状态为等待分发295 p.SetCacheWaitDispatch()296297 return newSessionNetEventProto(s, p), nil298}299300// doClose Session本次有效期间, 只会被执行一次301func (s *tcpSession) doClose() {302 log.RunLogger.Printf("tcpSession[%v].doClose", s)303304 // 关闭结束管道, 触发发送/接收协程退出305 close(s.chNtfRecvSendGoroutineExit)306307 // 关闭底层连接308 s.conn.Close()309310 // 等待发送和接收协程退出311 <-s.chWaitRecvSendGoroutineExit312 <-s.chWaitRecvSendGoroutineExit313314 // 连接断开事件315 s.chNetEventData <- newSessionNetEventOff(s, s.manualClose)316}317318// back 外界已停止引用Session, 可安全回收了319func (s *tcpSession) back() {320 log.RunLogger.Printf("tcpSession[%v].back", s)321322 // 清理内部数据323 s.chSendProto = nil324 s.sendLeft = s.sendLeft[:0]325 s.conn, s.chNetEventData = nil, nil326 ...

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14.go

Source:14.go Github

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1//多个Method可以同名2package main34import(5 "fmt"6// "math"7)8/*9type rectangle struct{10 width int11 height int12}13type circle struct{14 radius float3215}16//此处area()是对象rectangle的一个方法17func (recv rectangle) area() int {18 return recv.width*recv.height19}20//此处area()是对象circle的一个方法21func (recv circle) area() float32{22 return recv.radius*recv.radius*math.Pi23}24func main(){25 r1:=rectangle{4,3}26 c1:=circle{5}27 fmt.Println(r1.area(),c1.area())28}29*/30/******************************************31如果普通类型作为receiver，他只是一个值传递，而指针类32型作为receive，他将是一个引用传递。两者的差别在于，33指针会对实例对象的内容发生操作，而普通类型仅是以副本作34为操作对象。35Method的名字一样，但如果接受者不一样，那method就不36一样。37Method里面可以访问接受者的字段，调用Method进行访问，38就像在struct里访问字段一样。39******************************************/4041/*42type coordinate struct {43 x int44 y int45}46func (recv coordinate) swap(){47 var temp int48 temp,recv.x,recv.y=temp,recv.y,recv.x49 fmt.Println(recv)50}51func main(){52 r1:=coordinate{3,4}53 r1.swap()54 fmt.Println(r1)55}56*/5758type coordinate struct {59 x int60 y int61}62func (recv* coordinate) swap(){63 var temp int64 temp,recv.x,recv.y=temp,recv.y,recv.x65 fmt.Println(recv)66}67func main(){68 r1:=coordinate{3,4}69 p:=&r170 p.swap()71 fmt.Println(r1) ...

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main.go

Source:main.go Github

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...12func main() {13 e := echo.New()14 e.POST("/saveFile", fileUploader.FileSave)15 e.GET("/recvBullet", bulletRelayer.SendBullet)16 e.GET("/sendBullet", bulletRelayer.RecvBullet)17 e.GET("/recvHit", hitRelayer.SendHit)18 e.GET("/sendHit", hitRelayer.RecvHit)19 e.GET("/recvNotice", noticeRelayer.SendNotice)20 e.GET("/sendNotice", noticeRelayer.RecvNotice)21 e.GET("/recvBuzz", buzzRelayer.SendBuzz)22 e.GET("/sendBuzz", buzzRelayer.RecvBuzz)23 e.GET("/recvTalk", mascotRelayer.SendTalk)24 e.GET("/sendTalk", mascotRelayer.RecvTalk)25 e.GET("/recvAction", mascotRelayer.SendAction)26 e.GET("/sendAction", mascotRelayer.RecvAction)27 e.GET("/recvOmikuji", omikujiRelayer.SendOmikuji)28 e.GET("/sendOmikuji", omikujiRelayer.RecvOmikuji)29 e.Logger.Fatal(e.Start(":9999"))30}

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Recv

Using AI Code Generation

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1import (2func main() {3 c := make(chan int)4 go func() {5 }()6 fmt.Println(<-c)7}8import (9func main() {10 c := make(chan int)11 go func() {12 fmt.Println(v)13 }()14}15import (16func main() {17 c := make(chan int)18 go func() {19 }()20 fmt.Println(<-c)21}22import (23func main() {24 c := make(chan int)25 go func() {26 fmt.Println(v)27 }()28}29import (30func main() {31 c := make(chan int)32 go func() {33 }()34 fmt.Println(<-c)35}36import (37func main() {38 c := make(chan int)39 go func() {40 fmt.Println(v)41 }()42}43import (44func main() {45 c := make(chan int)46 go func() {47 }()48 fmt.Println(<-c)49}50import (51func main() {52 c := make(chan int)53 go func() {54 fmt.Println(v)55 }()56}57import (58func main() {59 c := make(chan int)60 go func() {61 }()62 fmt.Println(<-c)63}

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Recv

Using AI Code Generation

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1func main() {2 main := new(Main)3 main.Recv()4}5func main() {6 main := new(Main)7 main.Recv()8}9import (10func main() {11 ln, _ := net.Listen("tcp", ":8080")12 conn, _ := ln.Accept()13 for {14 message, _ := bufio.NewReader(conn).ReadString('\n')15 fmt.Print("Message Received:", string(message))16 newmessage := strings.ToUpper(message)17 conn.Write([]byte(newmessage + "18 }19}20import (21func main() {22 ln, _ := net.Listen("tcp

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Recv

Using AI Code Generation

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1main := new(Main)2main.Recv()3main := new(Main)4main.Recv()5main := new(Main)6main.Recv()7main2 := new(Main)8main2.Recv()9When a package is imported with multiple names10When a package is imported with multiple names11import (12When a package is imported with a name that is a keyword13When a package is imported with a name that is a keyword14import (15When a package is imported with a name that is a predefined identifier16When a package is imported with a name that is a predefined identifier17import (18When a package is imported with a name that is a predefined type19When a package is imported with a name that is a predefined type20import (

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Recv

Using AI Code Generation

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1import (2type main struct {3}4func (m *main) Send(s string) {5 fmt.Println(s)6}7func (m *main) Recv() string {8}9func main() {10 m := main{}11 m.Send(m.Recv())12}13import (14func (m *main) Send(s string) {15 fmt.Println(s)16}17func (m *main) Recv() string {18}19func main() {20 m := main{}21 m.Send(m.Recv())22}23import (24func Send(s string) {25 fmt.Println(s)26}27func Recv() string {28}29func main() {30 Send(Recv())31}

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Recv

Using AI Code Generation

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1import (2type Main struct {3}4func (m *Main) Recv() {5 buf := make([]byte, 1024)6 for {7 n, err := m.conn.Read(buf)8 if err != nil {9 fmt.Println(err)10 }11 fmt.Println(string(buf[:n]))12 }13}14func main() {15 conn, err := net.Dial("tcp", "localhost:8080")16 if err != nil {17 fmt.Println(err)18 os.Exit(1)19 }20 main := &Main{conn: conn}21 go main.Recv()22 for {23 fmt.Scanln(&msg)24 _, err := conn.Write([]byte(msg))25 if err != nil {26 fmt.Println(err)27 }28 }29}

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Recv

Using AI Code Generation

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1func main() {2 m := main{}3 m.Recv()4}5func main() {6 m := main{}7 m.Recv()8}9func main() {10 m := main{}11 m.Recv()12}13func main() {14 m := main{}15 m.Recv()16}17func main() {18 m := main{}19 m.Recv()20}21func main() {22 m := main{}23 m.Recv()24}25func main() {26 m := main{}27 m.Recv()28}29func main() {30 m := main{}31 m.Recv()32}33func main() {34 m := main{}35 m.Recv()36}37func main() {

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Recv

Using AI Code Generation

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1import (2func main() {3 p := Person{4 }5 fmt.Println("Name: ", p.Name)6 fmt.Println("Age: ", p.Age)7}8import (9func main() {10 p := Person{11 }12 fmt.Println("Name: ", p.Name)13 fmt.Println("Age: ", p.Age)14}15import (16func main() {17 p := Person{18 }19 fmt.Println("Name: ", p.Name)20 fmt.Println("Age: ", p.Age)21}22import (23func main() {24 p := Person{25 }26 fmt.Println("Name: ", p.Name)27 fmt.Println("Age: ", p.Age)28}29import (30func main() {31 p := Person{32 }33 fmt.Println("Name: ", p.Name)34 fmt.Println("Age: ", p.Age)35}36import (37func main() {38 p := Person{39 }40 fmt.Println("Name: ", p.Name)41 fmt.Println("Age: ", p.Age)42}43import (44func main() {45 p := Person{46 }47 fmt.Println("Name: ", p.Name)48 fmt.Println("Age: ", p.Age)49}

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