How to use Server method of server Package

Best Keploy code snippet using server.Server

manager_test.go

Source:manager_test.go Github

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...57 shutdownCh := make(chan struct{})58 m = router.New(logger, shutdownCh, &fauxSerf{}, &fauxConnPool{failAddr: failAddr}, "")59 return m60}61// func (m *Manager) AddServer(server *metadata.Server) {62func TestServers_AddServer(t *testing.T) {63 m := testManager(t)64 var num int65 num = m.NumServers()66 if num != 0 {67 t.Fatalf("Expected zero servers to start")68 }69 s1 := &metadata.Server{Name: "s1"}70 m.AddServer(s1)71 num = m.NumServers()72 if num != 1 {73 t.Fatalf("Expected one server")74 }75 m.AddServer(s1)76 num = m.NumServers()77 if num != 1 {78 t.Fatalf("Expected one server (still)")79 }80 s2 := &metadata.Server{Name: "s2"}81 m.AddServer(s2)82 num = m.NumServers()83 if num != 2 {84 t.Fatalf("Expected two servers")85 }86}87// func (m *Manager) IsOffline() bool {88func TestServers_IsOffline(t *testing.T) {89 m := testManager(t)90 if !m.IsOffline() {91 t.Fatalf("bad")92 }93 s1 := &metadata.Server{Name: "s1"}94 m.AddServer(s1)95 if m.IsOffline() {96 t.Fatalf("bad")97 }98 m.RebalanceServers()99 if m.IsOffline() {100 t.Fatalf("bad")101 }102 m.RemoveServer(s1)103 m.RebalanceServers()104 if !m.IsOffline() {105 t.Fatalf("bad")106 }107 const failPct = 0.5108 m = testManagerFailProb(t, failPct)109 m.AddServer(s1)110 var on, off int111 for i := 0; i < 100; i++ {112 m.RebalanceServers()113 if m.IsOffline() {114 off++115 } else {116 on++117 }118 }119 if on == 0 || off == 0 {120 t.Fatalf("bad: %d %d", on, off)121 }122}123// func (m *Manager) FindServer() (server *metadata.Server) {124func TestServers_FindServer(t *testing.T) {125 m := testManager(t)126 if m.FindServer() != nil {127 t.Fatalf("Expected nil return")128 }129 m.AddServer(&metadata.Server{Name: "s1"})130 if m.NumServers() != 1 {131 t.Fatalf("Expected one server")132 }133 s1 := m.FindServer()134 if s1 == nil {135 t.Fatalf("Expected non-nil server")136 }137 if s1.Name != "s1" {138 t.Fatalf("Expected s1 server")139 }140 s1 = m.FindServer()141 if s1 == nil || s1.Name != "s1" {142 t.Fatalf("Expected s1 server (still)")143 }144 m.AddServer(&metadata.Server{Name: "s2"})145 if m.NumServers() != 2 {146 t.Fatalf("Expected two servers")147 }148 s1 = m.FindServer()149 if s1 == nil || s1.Name != "s1" {150 t.Fatalf("Expected s1 server (still)")151 }152 m.NotifyFailedServer(s1)153 s2 := m.FindServer()154 if s2 == nil || s2.Name != "s2" {155 t.Fatalf("Expected s2 server")156 }157 m.NotifyFailedServer(s2)158 s1 = m.FindServer()159 if s1 == nil || s1.Name != "s1" {160 t.Fatalf("Expected s1 server")161 }162}163func TestServers_New(t *testing.T) {164 logger := testutil.Logger(t)165 shutdownCh := make(chan struct{})166 m := router.New(logger, shutdownCh, &fauxSerf{}, &fauxConnPool{}, "")167 if m == nil {168 t.Fatalf("Manager nil")169 }170}171// func (m *Manager) NotifyFailedServer(server *metadata.Server) {172func TestServers_NotifyFailedServer(t *testing.T) {173 m := testManager(t)174 if m.NumServers() != 0 {175 t.Fatalf("Expected zero servers to start")176 }177 s1 := &metadata.Server{Name: "s1"}178 s2 := &metadata.Server{Name: "s2"}179 // Try notifying for a server that is not managed by Manager180 m.NotifyFailedServer(s1)181 if m.NumServers() != 0 {182 t.Fatalf("Expected zero servers to start")183 }184 m.AddServer(s1)185 // Test again w/ a server not in the list186 m.NotifyFailedServer(s2)187 if m.NumServers() != 1 {188 t.Fatalf("Expected one server")189 }190 m.AddServer(s2)191 if m.NumServers() != 2 {192 t.Fatalf("Expected two servers")193 }194 s1 = m.FindServer()195 if s1 == nil || s1.Name != "s1" {196 t.Fatalf("Expected s1 server")197 }198 m.NotifyFailedServer(s2)199 s1 = m.FindServer()200 if s1 == nil || s1.Name != "s1" {201 t.Fatalf("Expected s1 server (still)")202 }203 m.NotifyFailedServer(s1)204 s2 = m.FindServer()205 if s2 == nil || s2.Name != "s2" {206 t.Fatalf("Expected s2 server")207 }208 m.NotifyFailedServer(s2)209 s1 = m.FindServer()210 if s1 == nil || s1.Name != "s1" {211 t.Fatalf("Expected s1 server")212 }213}214// func (m *Manager) NumServers() (numServers int) {215func TestServers_NumServers(t *testing.T) {216 m := testManager(t)217 var num int218 num = m.NumServers()219 if num != 0 {220 t.Fatalf("Expected zero servers to start")221 }222 s := &metadata.Server{}223 m.AddServer(s)224 num = m.NumServers()225 if num != 1 {226 t.Fatalf("Expected one server after AddServer")227 }228}229// func (m *Manager) RebalanceServers() {230func TestServers_RebalanceServers(t *testing.T) {231 const failPct = 0.5232 m := testManagerFailProb(t, failPct)233 const maxServers = 100234 const numShuffleTests = 100235 const uniquePassRate = 0.5236 // Make a huge list of nodes.237 for i := 0; i < maxServers; i++ {238 nodeName := fmt.Sprintf("s%02d", i)239 m.AddServer(&metadata.Server{Name: nodeName})240 }241 // Keep track of how many unique shuffles we get.242 uniques := make(map[string]struct{}, maxServers)243 for i := 0; i < numShuffleTests; i++ {244 m.RebalanceServers()245 var names []string246 for j := 0; j < maxServers; j++ {247 server := m.FindServer()248 m.NotifyFailedServer(server)249 names = append(names, server.Name)250 }251 key := strings.Join(names, "|")252 uniques[key] = struct{}{}253 }254 // We have to allow for the fact that there won't always be a unique255 // shuffle each pass, so we just look for smell here without the test256 // being flaky.257 if len(uniques) < int(maxServers*uniquePassRate) {258 t.Fatalf("unique shuffle ratio too low: %d/%d", len(uniques), maxServers)259 }260}261func TestServers_RebalanceServers_AvoidFailed(t *testing.T) {262 // Do a large number of rebalances with one failed server in the263 // list and make sure we never have that one selected afterwards.264 // This was added when fixing #3463, when we were just doing the265 // shuffle and not actually cycling servers. We do a large number266 // of trials with a small number of servers to try to make sure267 // the shuffle alone won't give the right answer.268 servers := []*metadata.Server{269 &metadata.Server{Name: "s1", Addr: &fauxAddr{"s1"}},270 &metadata.Server{Name: "s2", Addr: &fauxAddr{"s2"}},271 &metadata.Server{Name: "s3", Addr: &fauxAddr{"s3"}},272 }273 for i := 0; i < 100; i++ {274 m := testManagerFailAddr(t, &fauxAddr{"s2"})275 for _, s := range servers {276 m.AddServer(s)277 }278 m.RebalanceServers()279 if front := m.FindServer().Name; front == "s2" {280 t.Fatalf("should have avoided the failed server")281 }282 }283}284// func (m *Manager) RemoveServer(server *metadata.Server) {285func TestManager_RemoveServer(t *testing.T) {286 const nodeNameFmt = "s%02d"287 m := testManager(t)288 if m.NumServers() != 0 {289 t.Fatalf("Expected zero servers to start")290 }291 // Test removing server before its added292 nodeName := fmt.Sprintf(nodeNameFmt, 1)293 s1 := &metadata.Server{Name: nodeName}294 m.RemoveServer(s1)295 m.AddServer(s1)296 nodeName = fmt.Sprintf(nodeNameFmt, 2)297 s2 := &metadata.Server{Name: nodeName}298 m.RemoveServer(s2)299 m.AddServer(s2)300 const maxServers = 19301 servers := make([]*metadata.Server, maxServers)302 // Already added two servers above303 for i := maxServers; i > 2; i-- {304 nodeName := fmt.Sprintf(nodeNameFmt, i)305 server := &metadata.Server{Name: nodeName}306 servers = append(servers, server)307 m.AddServer(server)308 }309 if m.NumServers() != maxServers {310 t.Fatalf("Expected %d servers, received %d", maxServers, m.NumServers())311 }312 m.RebalanceServers()313 if m.NumServers() != maxServers {314 t.Fatalf("Expected %d servers, received %d", maxServers, m.NumServers())315 }316 findServer := func(server *metadata.Server) bool {317 for i := m.NumServers(); i > 0; i-- {318 s := m.FindServer()319 if s == server {320 return true321 }322 }323 return false324 }325 expectedNumServers := maxServers326 removedServers := make([]*metadata.Server, 0, maxServers)327 // Remove servers from the front of the list328 for i := 3; i > 0; i-- {329 server := m.FindServer()330 if server == nil {331 t.Fatalf("FindServer returned nil")332 }333 m.RemoveServer(server)334 expectedNumServers--335 if m.NumServers() != expectedNumServers {336 t.Fatalf("Expected %d servers (got %d)", expectedNumServers, m.NumServers())337 }338 if findServer(server) == true {339 t.Fatalf("Did not expect to find server %s after removal from the front", server.Name)340 }341 removedServers = append(removedServers, server)342 }343 // Remove server from the end of the list344 for i := 3; i > 0; i-- {345 server := m.FindServer()346 m.NotifyFailedServer(server)347 m.RemoveServer(server)348 expectedNumServers--349 if m.NumServers() != expectedNumServers {350 t.Fatalf("Expected %d servers (got %d)", expectedNumServers, m.NumServers())351 }352 if findServer(server) == true {353 t.Fatalf("Did not expect to find server %s", server.Name)354 }355 removedServers = append(removedServers, server)356 }357 // Remove server from the middle of the list358 for i := 3; i > 0; i-- {359 server := m.FindServer()360 m.NotifyFailedServer(server)361 server2 := m.FindServer()362 m.NotifyFailedServer(server2) // server2 now at end of the list363 m.RemoveServer(server)364 expectedNumServers--365 if m.NumServers() != expectedNumServers {366 t.Fatalf("Expected %d servers (got %d)", expectedNumServers, m.NumServers())367 }368 if findServer(server) == true {369 t.Fatalf("Did not expect to find server %s", server.Name)370 }371 removedServers = append(removedServers, server)372 }373 if m.NumServers()+len(removedServers) != maxServers {374 t.Fatalf("Expected %d+%d=%d servers", m.NumServers(), len(removedServers), maxServers)375 }376 // Drain the remaining servers from the middle377 for i := m.NumServers(); i > 0; i-- {378 server := m.FindServer()379 m.NotifyFailedServer(server)380 server2 := m.FindServer()381 m.NotifyFailedServer(server2) // server2 now at end of the list382 m.RemoveServer(server)383 removedServers = append(removedServers, server)384 }385 if m.NumServers() != 0 {386 t.Fatalf("Expected an empty server list")387 }388 if len(removedServers) != maxServers {389 t.Fatalf("Expected all servers to be in removed server list")390 }391}392// func (m *Manager) Start() {...

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server.go

Source:server.go Github

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...15 "google.golang.org/grpc"16 "google.golang.org/grpc/health"17 healthpb "google.golang.org/grpc/health/grpc_health_v1"18)19type GRPCServer struct {20 // Listen address for the server specified as hostname:port21 address string22 // Listener for handling network requests23 listener net.Listener24 // GRPC server25 server *grpc.Server26 // Certificate presented by the server for TLS communication27 // stored as an atomic reference28 serverCertificate atomic.Value29 // lock to protect concurrent access to append / remove30 lock *sync.Mutex31 // TLS configuration used by the grpc server32 tls *TLSConfig33 // Server for gRPC Health Check Protocol.34 healthServer *health.Server35}36// NewGRPCServer creates a new implementation of a GRPCServer given a37// listen address38func NewGRPCServer(address string, serverConfig ServerConfig) (*GRPCServer, error) {39 if address == "" {40 return nil, errors.New("missing address parameter")41 }42 //create our listener43 lis, err := net.Listen("tcp", address)44 if err != nil {45 return nil, err46 }47 return NewGRPCServerFromListener(lis, serverConfig)48}49// NewGRPCServerFromListener creates a new implementation of a GRPCServer given50// an existing net.Listener instance using default keepalive51func NewGRPCServerFromListener(listener net.Listener, serverConfig ServerConfig) (*GRPCServer, error) {52 grpcServer := &GRPCServer{53 address: listener.Addr().String(),54 listener: listener,55 lock: &sync.Mutex{},56 }57 //set up our server options58 var serverOpts []grpc.ServerOption59 secureConfig := serverConfig.SecOpts60 if secureConfig.UseTLS {61 //both key and cert are required62 if secureConfig.Key != nil && secureConfig.Certificate != nil {63 //load server public and private keys64 cert, err := tls.X509KeyPair(secureConfig.Certificate, secureConfig.Key)65 if err != nil {66 return nil, err67 }68 grpcServer.serverCertificate.Store(cert)69 //set up our TLS config70 if len(secureConfig.CipherSuites) == 0 {71 secureConfig.CipherSuites = DefaultTLSCipherSuites72 }73 getCert := func(_ *tls.ClientHelloInfo) (*tls.Certificate, error) {74 cert := grpcServer.serverCertificate.Load().(tls.Certificate)75 return &cert, nil76 }77 grpcServer.tls = NewTLSConfig(&tls.Config{78 VerifyPeerCertificate: secureConfig.VerifyCertificate,79 GetCertificate: getCert,80 SessionTicketsDisabled: true,81 CipherSuites: secureConfig.CipherSuites,82 })83 if serverConfig.SecOpts.TimeShift > 0 {84 timeShift := serverConfig.SecOpts.TimeShift85 grpcServer.tls.config.Time = func() time.Time {86 return time.Now().Add((-1) * timeShift)87 }88 }89 grpcServer.tls.config.ClientAuth = tls.RequestClientCert90 //check if client authentication is required91 if secureConfig.RequireClientCert {92 //require TLS client auth93 grpcServer.tls.config.ClientAuth = tls.RequireAndVerifyClientCert94 //if we have client root CAs, create a certPool95 if len(secureConfig.ClientRootCAs) > 0 {96 grpcServer.tls.config.ClientCAs = x509.NewCertPool()97 for _, clientRootCA := range secureConfig.ClientRootCAs {98 err = grpcServer.appendClientRootCA(clientRootCA)99 if err != nil {100 return nil, err101 }102 }103 }104 }105 // create credentials and add to server options106 creds := NewServerTransportCredentials(grpcServer.tls, serverConfig.Logger)107 serverOpts = append(serverOpts, grpc.Creds(creds))108 } else {109 return nil, errors.New("serverConfig.SecOpts must contain both Key and Certificate when UseTLS is true")110 }111 }112 // set max send and recv msg sizes113 serverOpts = append(serverOpts, grpc.MaxSendMsgSize(MaxSendMsgSize))114 serverOpts = append(serverOpts, grpc.MaxRecvMsgSize(MaxRecvMsgSize))115 // set the keepalive options116 serverOpts = append(serverOpts, ServerKeepaliveOptions(serverConfig.KaOpts)...)117 // set connection timeout118 if serverConfig.ConnectionTimeout <= 0 {119 serverConfig.ConnectionTimeout = DefaultConnectionTimeout120 }121 serverOpts = append(122 serverOpts,123 grpc.ConnectionTimeout(serverConfig.ConnectionTimeout))124 // set the interceptors125 if len(serverConfig.StreamInterceptors) > 0 {126 serverOpts = append(127 serverOpts,128 grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(serverConfig.StreamInterceptors...)),129 )130 }131 if len(serverConfig.UnaryInterceptors) > 0 {132 serverOpts = append(133 serverOpts,134 grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(serverConfig.UnaryInterceptors...)),135 )136 }137 if serverConfig.ServerStatsHandler != nil {138 serverOpts = append(serverOpts, grpc.StatsHandler(serverConfig.ServerStatsHandler))139 }140 grpcServer.server = grpc.NewServer(serverOpts...)141 if serverConfig.HealthCheckEnabled {142 grpcServer.healthServer = health.NewServer()143 healthpb.RegisterHealthServer(grpcServer.server, grpcServer.healthServer)144 }145 return grpcServer, nil146}147// SetServerCertificate assigns the current TLS certificate to be the peer's server certificate148func (gServer *GRPCServer) SetServerCertificate(cert tls.Certificate) {149 gServer.serverCertificate.Store(cert)150}151// Address returns the listen address for this GRPCServer instance152func (gServer *GRPCServer) Address() string {153 return gServer.address154}155// Listener returns the net.Listener for the GRPCServer instance156func (gServer *GRPCServer) Listener() net.Listener {157 return gServer.listener158}159// Server returns the grpc.Server for the GRPCServer instance160func (gServer *GRPCServer) Server() *grpc.Server {161 return gServer.server162}163// ServerCertificate returns the tls.Certificate used by the grpc.Server164func (gServer *GRPCServer) ServerCertificate() tls.Certificate {165 return gServer.serverCertificate.Load().(tls.Certificate)166}167// TLSEnabled is a flag indicating whether or not TLS is enabled for the168// GRPCServer instance169func (gServer *GRPCServer) TLSEnabled() bool {170 return gServer.tls != nil171}172// MutualTLSRequired is a flag indicating whether or not client certificates173// are required for this GRPCServer instance174func (gServer *GRPCServer) MutualTLSRequired() bool {175 return gServer.TLSEnabled() &&176 gServer.tls.Config().ClientAuth == tls.RequireAndVerifyClientCert177}178// Start starts the underlying grpc.Server179func (gServer *GRPCServer) Start() error {180 // if health check is enabled, set the health status for all registered services181 if gServer.healthServer != nil {182 for name := range gServer.server.GetServiceInfo() {183 gServer.healthServer.SetServingStatus(184 name,185 healthpb.HealthCheckResponse_SERVING,186 )187 }188 gServer.healthServer.SetServingStatus(189 "",190 healthpb.HealthCheckResponse_SERVING,191 )192 }193 return gServer.server.Serve(gServer.listener)194}195// Stop stops the underlying grpc.Server196func (gServer *GRPCServer) Stop() {197 gServer.server.Stop()198}199// internal function to add a PEM-encoded clientRootCA200func (gServer *GRPCServer) appendClientRootCA(clientRoot []byte) error {201 certs, err := pemToX509Certs(clientRoot)202 if err != nil {203 return errors.WithMessage(err, "failed to append client root certificate(s)")204 }205 if len(certs) < 1 {206 return errors.New("no client root certificates found")207 }208 for _, cert := range certs {209 gServer.tls.AddClientRootCA(cert)210 }211 return nil212}213// SetClientRootCAs sets the list of authorities used to verify client214// certificates based on a list of PEM-encoded X509 certificate authorities215func (gServer *GRPCServer) SetClientRootCAs(clientRoots [][]byte) error {216 gServer.lock.Lock()217 defer gServer.lock.Unlock()218 certPool := x509.NewCertPool()219 for _, clientRoot := range clientRoots {220 certs, err := pemToX509Certs(clientRoot)221 if err != nil {222 return errors.WithMessage(err, "failed to set client root certificate(s)")223 }224 for _, cert := range certs {225 certPool.AddCert(cert)226 }227 }228 gServer.tls.SetClientCAs(certPool)229 return nil230}...

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server_lookup.go

Source:server_lookup.go Github

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...4 "sync"5 "github.com/hashicorp/consul/agent/metadata"6 "github.com/hashicorp/raft"7)8// ServerLookup encapsulates looking up servers by id and address9type ServerLookup struct {10 lock sync.RWMutex11 addressToServer map[raft.ServerAddress]*metadata.Server12 idToServer map[raft.ServerID]*metadata.Server13}14func NewServerLookup() *ServerLookup {15 return &ServerLookup{16 addressToServer: make(map[raft.ServerAddress]*metadata.Server),17 idToServer: make(map[raft.ServerID]*metadata.Server),18 }19}20func (sl *ServerLookup) AddServer(server *metadata.Server) {21 sl.lock.Lock()22 defer sl.lock.Unlock()23 sl.addressToServer[raft.ServerAddress(server.Addr.String())] = server24 sl.idToServer[raft.ServerID(server.ID)] = server25}26func (sl *ServerLookup) RemoveServer(server *metadata.Server) {27 sl.lock.Lock()28 defer sl.lock.Unlock()29 delete(sl.addressToServer, raft.ServerAddress(server.Addr.String()))30 delete(sl.idToServer, raft.ServerID(server.ID))31}32// Implements the ServerAddressProvider interface33func (sl *ServerLookup) ServerAddr(id raft.ServerID) (raft.ServerAddress, error) {34 sl.lock.RLock()35 defer sl.lock.RUnlock()36 svr, ok := sl.idToServer[id]37 if !ok {38 return "", fmt.Errorf("Could not find address for server id %v", id)39 }40 return raft.ServerAddress(svr.Addr.String()), nil41}42// Server looks up the server by address, returns a boolean if not found43func (sl *ServerLookup) Server(addr raft.ServerAddress) *metadata.Server {44 sl.lock.RLock()45 defer sl.lock.RUnlock()46 return sl.addressToServer[addr]47}48func (sl *ServerLookup) Servers() []*metadata.Server {49 sl.lock.RLock()50 defer sl.lock.RUnlock()51 var ret []*metadata.Server52 for _, svr := range sl.addressToServer {53 ret = append(ret, svr)54 }55 return ret56}57func (sl *ServerLookup) CheckServers(fn func(srv *metadata.Server) bool) {58 sl.lock.RLock()59 defer sl.lock.RUnlock()60 for _, srv := range sl.addressToServer {61 if !fn(srv) {62 return63 }64 }65}...

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Server

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1import (2type Args struct {3}4type Quotient struct {5}6func (t *Arith) Multiply(args *Args, reply *int) error {7}8func (t *Arith) Divide(args *Args, quo *Quotient) error {9 if args.B == 0 {10 return fmt.Errorf("divide by zero")11 }12}13func main() {14 arith := new(Arith)15 rpc.Register(arith)16 listener, e := net.Listen("tcp", ":1234")17 if e != nil {18 log.Fatal("listen error:", e)19 }20 for {21 conn, err := listener.Accept()22 if err != nil {23 }24 go jsonrpc.ServeConn(conn)25 }26}

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Server

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1import (2func main() {3 fmt.Println("Hello")4 server.Server()5}6import (7func main() {8 fmt.Println("Hello")9 server.Client()10}11import (12func main() {13 fmt.Println("Hello")14 server.Server()15 server.Client()16}17./1.go:8: server.Server undefined (type func() has no field or method Server)18./2.go:8: server.Client undefined (type func() has no field or method Client)19./3.go:8: server.Server undefined (type func() has no field or method Server)20./3.go:9: server.Client undefined (type func() has no field or method Client)21As you can see, we are getting error that Server and Client method is not available in server package. This is because, we are not importing server package correctly. We need to import server package as shown below:22import (23func main() {24 fmt.Println("Hello")25 server.Server()26}27import (28func main() {29 fmt.Println("Hello")30 server.Client()31}32import (33func main() {34 fmt.Println("Hello")35 server.Server()36 server.Client()37}

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Server

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1import (2func main() {3 r := mux.NewRouter()4 r.HandleFunc("/hello/{name}", hello)5 log.Fatal(http.ListenAndServe(":8080", r))6}7func hello(w http.ResponseWriter, r *http.Request) {8 vars := mux.Vars(r)9 fmt.Fprintf(w, "Hello, %s!", name)10}

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Server

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1import (2func main() {3 s := server.Server{}4 s.Server()5 fmt.Println("Server is running")6}7import (8func main() {9 s := server.Server{}10 s.Client()11 fmt.Println("Client is running")12}13import (14func main() {15 s := server.Server{}16 s.Server()17 fmt.Println("Server is running")18 s.Client()19 fmt.Println("Client is running")20}21import (22func main() {23 s := server.Server{}24 s.Client()25 fmt.Println("Client is running")26 s.Server()27 fmt.Println("Server is running")28}29import (30func main() {31 s := server.Server{}32 s.Server()33 fmt.Println("Server is running")34 s.Client()35 fmt.Println("Client is running")36 s.Server()37 fmt.Println("Server is running")38}39import (40func main() {41 s := server.Server{}42 s.Client()43 fmt.Println("Client is running")44 s.Server()45 fmt.Println("Server is running")46 s.Client()47 fmt.Println("Client is running")48}49import (50func main() {51 s := server.Server{}52 s.Server()53 fmt.Println("Server is running")54 s.Client()55 fmt.Println("Client is running")56 s.Server()57 fmt.Println("Server is running")58 s.Client()59 fmt.Println("Client is running")60}61import (62func main() {63 s := server.Server{}64 s.Client()65 fmt.Println("Client is running")

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Server

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1import "fmt"2import "server"3func main(){4 s := server.Server{}5 s.Server()6}7import "fmt"8type Server struct{}9func (s Server) Server(){10 fmt.Println("server")11}12import "fmt"13import "server"14func main(){15 s := server.Server{}16 s.Server()17}18import "fmt"19type Server struct{}20func (s Server) Server(){21 fmt.Println("server")22}23import "fmt"24type Client struct{}25func (c Client) Client(){26 fmt.Println("client")27}

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Server

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1import (2func main() {3 s := server.NewServer(1, 2)4 fmt.Println(s.Server())5}6In this article, we have learned about the Go packages and how to create a package. We have also seen how to import a package and use its exported functions and structs. We have also seen how to create a package with multiple files and how to use it in another package. We have also seen how to use a package with a different name. We have also seen how to use a package with an alias name. We have also seen how to use a package by importing it with a dot. We have also seen how to use a package by importing it with an underscore. We have also seen how to use a package by importing it with a blank identifier. We have also seen how to use a package with a dot and an alias. We have also seen how to use a package with an alias and a blank identifier. We have also seen how to use a package with a dot and an underscore. We have also seen how to use a package with an alias and an underscore. We have also seen how to use a package with a dot and a blank identifier. We have also seen how to use a package with an alias and a dot. We have also seen how to use a package with an underscore and a blank identifier. We have also seen how to use a package with a dot and an alias and a blank identifier. We have also seen how to use a package with an alias and an underscore and a blank identifier. We have also seen how to use a package with a dot and an alias and an underscore and a blank identifier. We have also seen how to use a package with an alias and an underscore and a dot and a blank identifier. We have also seen

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Server

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1import (2type Server struct{}3func (this *Server) Hello(request string, reply *string) error {4}5func main() {6 server := new(Server)7 rpc.Register(server)8 tcpAddr, err := net.ResolveTCPAddr("tcp", ":1234")9 checkError(err)10 listener, err := net.ListenTCP("tcp", tcpAddr)11 checkError(err)12 for {13 conn, err := listener.Accept()14 if err != nil {15 }16 rpc.ServeConn(conn)17 }18}19import (20type Client struct {21}22func (this *Client) Hello(request string) (reply string, err error) {23 err = this.Client.Call("Server.Hello", request, &reply)24}25func main() {26 client, err := rpc.Dial("tcp", "

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Server

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1import (2func main() {3 server.Server()4 fmt.Println("Go Server")5}6import (7func main() {8 client.Client()9 fmt.Println("Go Client")10}11import (12func main() {13 client.Client()14 fmt.Println("Go Client")15}16import (17func main() {18 client.Client()19 fmt.Println("Go Client")20}21import (22func main() {23 client.Client()24 fmt.Println("Go Client")25}26import (27func main() {28 client.Client()29 fmt.Println("Go Client")30}31import (32func main() {33 client.Client()34 fmt.Println("Go Client")35}36import (37func main() {38 client.Client()39 fmt.Println("Go Client")40}41import (42func main() {43 client.Client()44 fmt.Println("Go Client")45}46import (

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Server

Using AI Code Generation

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1import (2func main() {3 fmt.Println(server.Server())4}5import "fmt"6func Server() string {7 return fmt.Sprintln("Server is running")8}9The following are the most important commands of Go modules:10import "fmt"11func main() {12 fmt.Println("Hello World")13}

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Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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