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How to use IsStopped method of core Package

Best K6 code snippet using core.IsStopped

server.go

Source:server.go

1package server2import (3	"encoding/binary"4	"fmt"5	"log"6	"sync/atomic"7	"time"8	"github.com/dv343/treeless/com"9	"github.com/dv343/treeless/com/protocol"10	"github.com/dv343/treeless/core"11	"github.com/dv343/treeless/dist/heartbeat"12	"github.com/dv343/treeless/dist/rebalance"13	"github.com/dv343/treeless/dist/repair"14	"github.com/dv343/treeless/dist/servergroup"15)16//DBServer manages a Treeless node server17type DBServer struct {18	core    *core.Core19	server  *com.Server20	sg      *servergroup.ServerGroup21	hb      *heartbeat.Heartbeater22	stopped uint3223}24//Create creates a new DB server group25//localIP and localPort sets the ip:port to use by this server26//localDBpath sets the path to store/open the DB27//localChunkSize sets the server chunk size in bytes28//openDB should be true if you want to open an already stored DB, set it to false if you want to create a new DB, overwriting previous DB if it exists29//numChunks is the number of chunks to use in the new server group30//redundancy is the level of redundancy to use in the new server group, 1 means that only one server will have each chunk/partition31func Create(localIP string, localPort int, localDBpath string, localChunkSize uint64, openDB bool, numChunks, redundancy int) *DBServer {32	s := new(DBServer)33	//Core34	s.core = core.New(localDBpath, localChunkSize, numChunks)35	if openDB {36		s.core.Open()37	} else {38		for i := 0; i < numChunks; i++ {39			s.core.ChunkSetPresent(i)40		}41	}42	//Servergroup43	s.sg = servergroup.CreateServerGroup(numChunks, redundancy, localIP+":"+fmt.Sprint(localPort))44	s.sg.AddServerToGroup(localIP + ":" + fmt.Sprint(localPort))45	list := make([]protocol.AmAliveChunk, numChunks)46	for i := 0; i < numChunks; i++ {47		list[i].ID = i48	}49	s.sg.SetServerChunks(localIP+":"+fmt.Sprint(localPort), list)50	//Heartbeat51	s.hb = heartbeat.Start(s.sg)52	//Rebalance53	rebalance.StartRebalance(s.sg, s.core, s.isStopped)54	//Repair55	repair.StartRepairSystem(s.sg, s.core, s.isStopped)56	//Server57	s.server = com.Start(localIP, localPort, s.processMessage, s.hb.ListenReply(s.core))58	log.Println("Server boot-up completed")59	return s60}61//Assoc associates a new DB server node to an existint server group62//localIP and localPort sets the ip:port to use by this server63//localDBpath sets the path to store/open the DB64//localChunkSize sets the server chunk size in bytes65//openDB should be true if you want to open an already stored DB, set it to false if you want to create a new DB, overwriting previous DB if it exists66//assocAddr is the ip:port address of one of the server groups nodes, it will be used at initialization time to associate this server67func Assoc(localIP string, localPort int, localDBpath string, localChunkSize uint64, openDB bool, assocAddr string) *DBServer {68	s := new(DBServer)69	//Associate to an existing DB group70	var err error71	s.sg, err = servergroup.Assoc(assocAddr, localIP+":"+fmt.Sprint(localPort))72	if err != nil {73		panic(err)74	}75	numChunks := s.sg.NumChunks()76	//Launch core77	s.core = core.New(localDBpath, localChunkSize, numChunks)78	if openDB {79		s.core.Open()80	}81	//Add this server to the server group82	addedAtLeastOnce := false83	for _, s2 := range s.sg.Servers() {84		err = s2.AddServerToGroup(s.sg.LocalhostIPPort)85		if err != nil {86			log.Println(err)87		} else {88			addedAtLeastOnce = true89		}90	}91	if !addedAtLeastOnce {92		panic("None add server to group ACK recieved")93	}94	s.sg.AddServerToGroup(localIP + ":" + fmt.Sprint(localPort))95	//Heartbeat96	s.hb = heartbeat.Start(s.sg)97	//Rebalance98	rebalance.StartRebalance(s.sg, s.core, s.isStopped)99	//Repair100	repair.StartRepairSystem(s.sg, s.core, s.isStopped)101	//Server102	s.server = com.Start(localIP, localPort, s.processMessage, s.hb.ListenReply(s.core))103	log.Println("Server boot-up completed")104	return s105}106//Stop the server107func (s *DBServer) Stop() {108	log.Println("Server close initiated")109	atomic.StoreUint32(&s.stopped, 1)110	s.hb.Stop()111	s.server.Stop()112	s.sg.Stop()113	s.core.Close()114	log.Println("Server closed")115}116func (s *DBServer) isStopped() bool {117	return atomic.LoadUint32(&s.stopped) > 0118}119func (s *DBServer) processMessage(message protocol.Message) (response protocol.Message) {120	//fmt.Println("Server", "message received", string(message.Key), string(message.Value), message.Type)121	response.Type = 0122	if s.isStopped() {123		return response124	}125	response.ID = message.ID126	switch message.Type {127	case protocol.OpGet:128		value, _ := s.core.Get(message.Key)129		response.Type = protocol.OpResponse130		response.Value = value131	case protocol.OpSet:132		err := s.core.Set(message.Key, message.Value)133		if err == nil {134			response.Type = protocol.OpOK135		} else {136			response.Type = protocol.OpErr137			response.Value = []byte(err.Error())138		}139	case protocol.OpAsyncSet:140		s.core.Set(message.Key, message.Value)141	case protocol.OpCAS:142		err := s.core.CAS(message.Key, message.Value, s.sg.IsSynched)143		if err == nil {144			response.Type = protocol.OpOK145		} else {146			response.Type = protocol.OpErr147			response.Value = []byte(err.Error())148		}149	case protocol.OpDel:150		err := s.core.Delete(message.Key, message.Value)151		if err == nil {152			response.Type = protocol.OpOK153		} else {154			response.Type = protocol.OpErr155			response.Value = []byte(err.Error())156		}157	case protocol.OpTransfer:158		chunkID := int(binary.LittleEndian.Uint32(message.Key))159		//New goroutine will put every key value pair into destination, it will manage the OpTransferOK response160		go func() {161			addr := string(message.Value)162			c, err := com.CreateConnection(addr, func() {})163			defer c.Close()164			if err != nil {165				log.Println("Transfer failed, error:", err)166			} else {167				log.Println("Transfer operation initiated, chunkID:", chunkID)168				i := 0169				s.core.Iterate(chunkID, func(key, value []byte) bool {170					if i%100 == 0 {171						ch := c.Set(key, value, time.Millisecond*500)172						err = ch.Wait()173					} else {174						c.Set(key, value, 0) //AsyncSet175					}176					i++177					return true178				})179				log.Println("Transfer operation completed", chunkID, "pairs:", i)180			}181		}()182		response.Type = protocol.OpOK183	case protocol.OpGetConf:184		b, err := s.sg.Marshal()185		if err != nil {186			panic(err)187		}188		response.Type = protocol.OpResponse189		response.Value = b190	case protocol.OpAddServerToGroup:191		addr := string(message.Key)192		s.sg.AddServerToGroup(addr)193		s.hb.GossipAdded(addr)194		response.Type = protocol.OpOK195	case protocol.OpGetChunkInfo:196		chunkID := int(binary.LittleEndian.Uint32(message.Key))197		response.Type = protocol.OpResponse198		response.Value = make([]byte, 8)199		length := s.core.LengthOfChunk(chunkID)200		binary.LittleEndian.PutUint64(response.Value, length)201	case protocol.OpProtect:202		chunkID := binary.LittleEndian.Uint32(message.Key)203		if s.sg.NumHolders(int(chunkID)) > s.sg.Redundancy() {204			err := s.core.ChunkSetProtected(int(chunkID))205			if err == nil {206				response.Type = protocol.OpOK207			} else {208				response.Type = protocol.OpErr209				response.Value = []byte(err.Error())210			}211		} else {212			response.Type = protocol.OpErr213		}214	case protocol.OpSetBuffered:215		response.Type = protocol.OpSetBuffered216	case protocol.OpSetNoDelay:217		response.Type = protocol.OpSetNoDelay218	default:219		response.Type = protocol.OpErr220		response.Value = []byte("Operation not supported")221		log.Println("Operation not supported", message.Type)222	}223	return response224}...

tun2socks.go

Source:tun2socks.go

1package tun2socks2import (3	"context"4	"errors"5	"fmt"6	"log"7	"net"8	"os"9	"strings"10	"golang.org/x/sys/unix"11	vcore "v2ray.com/core"12	vproxyman "v2ray.com/core/app/proxyman"13	vbytespool "v2ray.com/core/common/bytespool"14	vnet "v2ray.com/core/common/net"15	vinternet "v2ray.com/core/transport/internet"16	"github.com/eycorsican/go-tun2socks/core"17	"github.com/eycorsican/go-tun2socks/proxy/v2ray"18)19var err error20var lwipStack core.LWIPStack21var v *vcore.Instance22var isStopped = false23type VpnService interface {24	Protect(fd int)25}26type PacketFlow interface {27	WritePacket(packet []byte)28}29func InputPacket(data []byte) {30	lwipStack.Write(data)31}32func StartV2Ray(packetFlow PacketFlow, vpnService VpnService, configBytes []byte, assetPath, exceptionDomains, exceptionIPs string) {33	if packetFlow != nil {34		if lwipStack == nil {35			lwipStack = core.NewLWIPStack()36		}37		os.Setenv("v2ray.location.asset", assetPath)38		domains := strings.Split(exceptionDomains, ",")39		ips := strings.Split(exceptionIPs, ",")40		var domainIPMap = make(map[string]string, len(domains))41		for idx, _ := range domains {42			domainIPMap[domains[idx]] = ips[idx]43		}44		vinternet.UseAlternativeSystemDialer(&protectedDialer{45			vpnService:       vpnService,46			proxyDomainIPMap: domainIPMap,47		})48		core.SetBufferPool(vbytespool.GetPool(core.BufSize))49		v, err = vcore.StartInstance("json", configBytes)50		if err != nil {51			log.Fatal("start V instance failed: %v", err)52		}53		sniffingConfig := &vproxyman.SniffingConfig{54			Enabled:             true,55			DestinationOverride: strings.Split("tls,http", ","),56		}57		ctx := vproxyman.ContextWithSniffingConfig(context.Background(), sniffingConfig)58		vhandler := v2ray.NewHandler(ctx, v)59		core.RegisterTCPConnectionHandler(vhandler)60		core.RegisterUDPConnectionHandler(vhandler)61		core.RegisterOutputFn(func(data []byte) (int, error) {62			if !isStopped {63				packetFlow.WritePacket(data)64			}65			return len(data), nil66		})67		isStopped = false68	}69}70func StopV2Ray() {71	isStopped = true72	lwipStack.Close()73	v.Close()74}75type protectedDialer struct {76	vpnService       VpnService77	proxyDomainIPMap map[string]string78}79func (d protectedDialer) Dial(ctx context.Context, src vnet.Address, dest vnet.Destination) (net.Conn, error) {80	if dest.Address.Family().IsDomain() {81		if ip, found := d.proxyDomainIPMap[dest.Address.String()]; found {82			parsedIP := net.ParseIP(ip)83			if parsedIP == nil {84				panic("impossible nil IP")85			}86			dest.Address = vnet.IPAddress(parsedIP)87		} else {88			addr, err := net.ResolveTCPAddr("tcp", dest.NetAddr())89			if err != nil {90				return nil, errors.New(fmt.Sprintf("failed to resolve address %v: %v", dest.NetAddr(), err))91			}92			dest.Address = vnet.IPAddress(addr.IP)93		}94	}95	sa := &unix.SockaddrInet6{Port: int(dest.Port.Value())}96	copy(sa.Addr[:], dest.Address.IP().To16())97	if dest.Network == vnet.Network_TCP {98		fd, err := unix.Socket(unix.AF_INET6, unix.SOCK_STREAM, unix.IPPROTO_TCP)99		if err != nil {100			return nil, errors.New(fmt.Sprintf("failed to create unix socket: %v", err))101		}102		// protect fd from VPN service103		d.vpnService.Protect(fd)104		err = unix.Connect(fd, sa)105		if err != nil {106			return nil, errors.New(fmt.Sprintf("failed to connect: %v", err))107		}108		file := os.NewFile(uintptr(fd), "Socket")109		conn, err := net.FileConn(file)110		if err != nil {111			return nil, errors.New(fmt.Sprintf("failed to create FileConn from fd: %v", err))112		}113		return conn, nil114	} else if dest.Network == vnet.Network_UDP {115		fd, err := unix.Socket(unix.AF_INET6, unix.SOCK_DGRAM, unix.IPPROTO_UDP)116		if err != nil {117			return nil, errors.New(fmt.Sprintf("failed to create unix socket: %v", err))118		}119		// protect fd from VPN service120		d.vpnService.Protect(fd)121		err = unix.Connect(fd, sa)122		if err != nil {123			return nil, errors.New(fmt.Sprintf("failed to connect: %v", err))124		}125		file := os.NewFile(uintptr(fd), "Socket")126		conn, err := net.FileConn(file)127		if err != nil {128			return nil, errors.New(fmt.Sprintf("failed to create FileConn from fd: %v", err))129		}130		return conn, nil131	} else {132		return nil, errors.New("unsupported network protocol")133	}134}...

IsStopped

Using AI Code Generation

1import (2func main() {3	config := sarama.NewConfig()4	brokers := []string{"localhost:9092"}5	topics := []string{"test"}6	consumer, err := sarama.NewConsumerGroup(brokers, group, config)7	if err != nil {8		panic(err)9	}10	defer consumer.Close()11	ctx := context.Background()12	handler := consumerGroupHandler{}13	for {14		err := consumer.Consume(ctx, topics, handler)15		if err != nil {16			panic(err)17		}18		if consumer.IsStopped() {19		}20	}21}22type consumerGroupHandler struct{}23func (consumerGroupHandler) Setup(sarama.ConsumerGroupSession) error {24}25func (consumerGroupHandler) Cleanup(sarama.ConsumerGroupSession) error {26}27func (consumerGroupHandler) ConsumeClaim(session sarama.ConsumerGroupSession, claim sarama.ConsumerGroupClaim) error {28	for message := range claim.Messages() {29		fmt.Printf("Message claimed: value = %s, timestamp = %v, topic = %s\n", string(message.Value), message.Timestamp, message.Topic)30		session.MarkMessage(message, "")31	}32}33import (34func main() {35	config := sarama.NewConfig()36	brokers := []string{"localhost:9092"}37	topics := []string{"test"}

IsStopped

Using AI Code Generation

1import (2func main() {3    c := cron.New()4    c.AddFunc("@every 1s", func() {5        fmt.Println("Every second")6    })7    c.Start()8    c.Stop()9    fmt.Println("IsStopped:", c.IsStopped())10}11import (12func main() {13    c := cron.New()14    c.AddFunc("@every 1s", func() {15        fmt.Println("Every second")16    })17    c.Start()18    c.Stop()19    fmt.Println("IsStopped:", c.IsStopped())20}21import (22func main() {23    c := cron.New()24    c.AddFunc("@every 1s", func() {25        fmt.Println("Every second")26    })27    c.Start()28    c.Stop()29    fmt.Println("IsStopped:", c.IsStopped())30}31import (32func main() {33    c := cron.New()34    c.AddFunc("@every 1s", func() {35        fmt.Println("Every second")36    })37    c.Start()38    c.Stop()39    fmt.Println("IsStopped:", c.IsStopped())40}41import (42func main() {43    c := cron.New()44    c.AddFunc("@every 1s", func() {45        fmt.Println("Every second")46    })47    c.Start()48    c.Stop()49    fmt.Println("IsStopped:", c.IsStopped())

IsStopped

Using AI Code Generation

1import (2func main() {3    for running {4        event = sdl.PollEvent()5        switch t := event.(type) {6            fmt.Println("Quit")7        }8    }9}10import (11func main() {12    for running {13        event := sdl.PollEvent()14        switch t := event.(type) {15            fmt.Println("Quit")16        }17    }18}19import (20func main() {21    for running {22        event = sdl.PollEvent()23        switch t := event.(type) {24            fmt.Println("Quit")25        }26    }27}28import (29func main() {30    for running {31        event := sdl.PollEvent()32        switch t := event.(type) {33            fmt.Println("Quit")34        }35    }36}37import (38func main() {39    for running {40        event = sdl.PollEvent()41        switch t := event.(type) {

IsStopped

Using AI Code Generation

1import (2func main() {3	cb := gobreaker.NewCircuitBreaker(gobreaker.Settings{4		ReadyToTrip: func(counts gobreaker.Counts) bool {5			failureRatio := float64(counts.TotalFailures) / float64(counts.Requests)6		},7	})8	fmt.Println(cb.IsStopped())9	_, _, err := cb.Execute(func() (interface{}, error) {10		return nil, fmt.Errorf("myService is not available")11	})12	if err != nil {13		fmt.Println(err)14	}15	fmt.Println(cb.IsStopped())16}17import (18func main() {19	cb := gobreaker.NewCircuitBreaker(gobreaker.Settings{20		ReadyToTrip: func(counts gobreaker.Counts) bool {21			failureRatio := float64(counts.TotalFailures) / float64(counts.Requests)

IsStopped

Using AI Code Generation

1import (2func main() {3    fmt.Println("Start")4    c := time.NewTimer(5 * time.Second)5    time.Sleep(3 * time.Second)6    fmt.Println("Stop: ", c.Stop())7    time.Sleep(3 * time.Second)8    fmt.Println("Stop: ", c.Stop())9    fmt.Println("End")10}11import (12func main() {13    fmt.Println("Start")14    c := time.NewTimer(5 * time.Second)

IsStopped

Using AI Code Generation

1func main() {2    ctx := context.Background()3    ctx, cancel := context.WithCancel(ctx)4    go func() {5        time.Sleep(100 * time.Millisecond)6        cancel()7    }()8    select {9    case <-time.After(1 * time.Second):10        fmt.Println("overslept")11    case <-ctx.Done():12        fmt.Println("context done")13    }14}15func main() {16    ctx := context.Background()17    ctx, cancel := context.WithCancel(ctx)18    go func() {19        time.Sleep(100 * time.Millisecond)20        cancel()21    }()22    select {23    case <-time.After(1 * time.Second):24        fmt.Println("overslept")25    case <-ctx.Done():26        fmt.Println("context done")27    }28}29func main() {30    ctx := context.Background()31    ctx, cancel := context.WithCancel(ctx)32    go func() {33        time.Sleep(100 * time.Millisecond)34        cancel()35    }()36    select {37    case <-time.After(1 * time.Second):38        fmt.Println("overslept")39    case <-ctx.Done():40        fmt.Println("context done")41    }42}43func main() {44    ctx := context.Background()45    ctx, cancel := context.WithCancel(ctx)46    go func() {47        time.Sleep(100 * time.Millisecond)48        cancel()49    }()50    select {51    case <-time.After(1 * time.Second):52        fmt.Println("overslept")53    case <-ctx.Done():54        fmt.Println("context done")55    }56}57func main() {58    ctx := context.Background()59    ctx, cancel := context.WithCancel(ctx)60    go func() {61        time.Sleep(100 * time.Millisecond)62        cancel()63    }()64    select {65    case <-time.After(1 * time.Second):66        fmt.Println("overslept")67    case <-ctx.Done():

IsStopped

Using AI Code Generation

1import (2func main() {3	core := NewCore()4	core.Start()5	time.Sleep(5 * time.Second)6	core.Stop()7	time.Sleep(5 * time.Second)8	if core.IsStopped() {9		fmt.Println("core is stopped")10	} else {11		fmt.Println("core is not stopped")12	}13}14import (15func main() {16	core := NewCore()17	core.Start()18	time.Sleep(5 * time.Second)19	core.Stop()20	time.Sleep(5 * time.Second)21	core.Wait()22	if core.IsStopped() {23		fmt.Println("core is stopped")24	} else {25		fmt.Println("core is not stopped")26	}27}28import (29func main() {30	core := NewCore()31	core.Start()32	time.Sleep(5 * time.Second)33	core.Stop()34	time.Sleep(5 * time.Second)35	core.WaitTimeout(10 * time.Second)36	if core.IsStopped() {37		fmt.Println("core is stopped")38	} else {39		fmt.Println("core is not stopped")40	}41}42import (43func main() {44	core := NewCore()

IsStopped

Using AI Code Generation

1import "core"2func main() {3    x.IsStopped()4}5import "core"6func main() {7    x.IsStopped()8}9type Core struct {}10func (c *Core) IsStopped() bool {11}12import "testing"13func TestIsStopped(t *testing.T) {14    if x.IsStopped() {15        t.Error("Core is not stopped")16    }17}18import "testing"19import "core"20func TestIsStopped(t *testing.T) {21    if x.IsStopped() {22        t.Error("Core is not stopped")23    }24}25import "testing"26import "core"27func TestIsStopped(t *testing.T) {28    if x.IsStopped() {29        t.Error("Core is not stopped")30    }31}32cannot use x (type Core) as type core.Core in argument to core.IsStopped33package main does not match import path "core"

IsStopped

Using AI Code Generation

1import (2func main() {3	go func() {4		fmt.Println("Go routine is running")5	}()6	if runtime.IsStopped() {7		fmt.Println("Go routine is stopped")8	} else {9		fmt.Println("Go routin

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