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How to use GetServerInfo method of client Package

Best Testkube code snippet using client.GetServerInfo

auth_chain.go

Source:auth_chain.go

...184		}185		result = bytesx.ContactSlice(result, cleartext)186		a.LastServerHash = serverHash187		if a.RecvID == 1 {188			a.GetServerInfo().SetTCPMss(int(binaryx.LEBytesToUint16(result[:2])))189			result = result[2:]190		}191		a.RecvID = (a.RecvID + 1) & 0xFFFFFFFF192		a.RecvBuf = a.RecvBuf[length+4:]193	}194	return result, nil195}196func (a *AuthChainA) ServerPreEncrypt(buf []byte) (result []byte, err error) {197	if a.RawTrans {198		return buf, nil199	}200	result = []byte{}201	if a.PackID == 1 {202		var tcpMass int203		if a.GetServerInfo().GetTCPMss() < 1500 {204			tcpMass = a.GetServerInfo().GetTCPMss()205		} else {206			tcpMass = 1500207		}208		a.GetServerInfo().SetTCPMss(tcpMass)209		buf = bytesx.ContactSlice(binaryx.LEUInt16ToBytes(uint16(tcpMass)), buf)210		a.UnintLen = tcpMass - a.ClientOverhead211	}212	for len(buf) > a.UnintLen {213		packServerData, err := a.packServerData(buf[:a.UnintLen])214		if err != nil {215			return nil, err216		}217		result = bytesx.ContactSlice(result, packServerData)218		buf = buf[a.UnintLen:]219	}220	packServerData, err := a.packServerData(buf)221	if err != nil {222		return nil, err223	}224	result = bytesx.ContactSlice(result, packServerData)225	return result, nil226}227func (a *AuthChainA) ServerPostDecrypt(buf []byte) (result []byte, sendback bool, err error) {228	if a.RawTrans {229		return buf, false, nil230	}231	a.RecvBuf = bytesx.ContactSlice(a.RecvBuf, buf)232	result = []byte{}233	sendback = false234	var md5Data []byte235	if !a.HasRecvHeader {236		if len(a.RecvBuf) >= 12 || langx.IntIn(len(a.RecvBuf), []int{7, 8}) {237			recvLen := int(math.Min(float64(len(a.RecvBuf)), float64(12)))238			macKey := bytesx.ContactSlice(a.GetServerInfo().GetRecvIv(), a.GetServerInfo().GetKey())239			md5Data = hmacmd5(macKey, a.RecvBuf[:4])240			//logrus.WithFields(241			//	logrus.Fields{242			//		"md5Data":   hex.EncodeToString(md5Data),243			//		"key":       hex.EncodeToString(a.GetServerInfo().GetKey()),244			//		"randBytes": hex.EncodeToString(a.RecvBuf[:4]),245			//		"recvIV":    hex.EncodeToString(a.GetServerInfo().GetRecvIv()),246			//		"recvLen":   recvLen,247			//	}).Debug("AuthChainA verify")248			if !bytes.Equal(md5Data[:recvLen-4], a.RecvBuf[4:recvLen]) {249				logrus.WithFields(logrus.Fields{250					"md5Data":     hex.EncodeToString(md5Data[:recvLen-4]),251					"recvMd5Data": hex.EncodeToString(a.RecvBuf[4:recvLen]),252				}).Error("AuthChainA verify failed")253				result, sendback = a.NotMatchReturn(a.RecvBuf)254				err = nil255				return256			}257		}258		if len(a.RecvBuf) < 12+24 {259			return []byte{}, false, nil260		}261		a.LastClientHash = md5Data262		var uid int263		var uidPack []byte264		uid = int(binaryx.LEBytesToUInt32(a.RecvBuf[12:16]) ^ binaryx.LEBytesToUInt32(md5Data[8:12]))265		a.UserIDNum = uid266		uidPack = binaryx.LEUint32ToBytes(uint32(uid))267		if a.GetServerInfo().GetUsers()[string(uidPack)] != "" {268			a.UserID = uidPack269			a.UserKey = []byte(a.GetServerInfo().GetUsers()[string(uidPack)])270			a.GetServerInfo().UpdateUser(uidPack)271		} else {272			return []byte{}, false, errors.New(fmt.Sprintf("user %v not exist", uid))273		}274		md5Data = hmacmd5(a.UserKey, a.RecvBuf[12:12+20])275		if !bytes.Equal(md5Data[:4], a.RecvBuf[32:36]) {276			//logrus.WithFields(logrus.Fields{277			//	"md5Data_4": hex.EncodeToString(md5Data[:4]),278			//	"recvBuf_4": hex.EncodeToString(a.RecvBuf[32:36]),279			//}).Debug("auth_chain md5 equal error")280			logrus.Errorf("%s data uncorrect auth HMAC-MD5 from %s:%v, data %s",281				a.NoCompatibleMethod, a.GetServerInfo().282					GetClient().String(),283				a.GetServerInfo().GetPort(),284				hex.EncodeToString(a.RecvBuf))285			if len(a.RecvBuf) < 36 {286				return []byte{}, false, nil287			}288			result, sendback = a.NotMatchReturn(a.RecvBuf)289			return290		}291		a.LastServerHash = md5Data292		encryptor, err := ciphers.NewEncryptorWithIv("aes-128-cbc",293			string(bytesx.ContactSlice([]byte(base64.StdEncoding.EncodeToString(a.UserKey)), a.Salt)),294			bytes.Repeat([]byte{0x00}, 16))295		if err != nil {296			return nil, false, err297		}298		head, err := encryptor.Decrypt(bytesx.ContactSlice(bytes.Repeat([]byte{0x00}, 16), a.RecvBuf[16:32]))299		if err != nil {300			return nil, false, err301		}302		a.ClientOverhead = int(binaryx.LEBytesToUint16(head[12:16]))303		utcTime := binaryx.LEBytesToUInt32(head[:4])304		clientId := binaryx.LEBytesToUInt32(head[4:8])305		connectionId := binaryx.LEBytesToUInt32(head[8:12])306		timeDif := int(int64(utcTime) - time.Now().Unix()&0xFFFFFFFF)307		if timeDif < -a.MaxTimeDif || timeDif > a.MaxTimeDif {308			log.Info("%s: wrong timestamp, time_dif %v, data %s",309				a.NoCompatibleMethod,310				timeDif,311				hex.EncodeToString(head))312			result, sendback = a.NotMatchReturn(a.RecvBuf)313			return result, sendback, nil314		} else if core.GetApp().GetObfsProtocolService().Insert(a.UserID, int(clientId), int(connectionId)) {315			a.HasRecvHeader = true316			a.ClientID = int(clientId)317			a.ConnectionID = int(connectionId)318		} else {319			log.Info("%s: auth fail, data %s", a.NoCompatibleMethod, hex.EncodeToString(result))320			result, sendback = a.NotMatchReturn(a.RecvBuf)321			return result, sendback, nil322		}323		a.Encryptor, err = ciphers.NewEncryptor(324			"rc4",325			string(326				bytesx.ContactSlice(327					[]byte(base64.StdEncoding.EncodeToString(a.UserKey)),328					[]byte(base64.StdEncoding.EncodeToString(a.LastClientHash)),329				),330			),331		)332		a.RecvBuf = a.RecvBuf[36:]333		a.HasRecvHeader = true334		sendback = true335	}336	for len(a.RecvBuf) > 4 {337		macKey := bytesx.ContactSlice(a.UserKey, binaryx.LEUint32ToBytes(uint32(a.RecvID)))338		dataLen := binaryx.LEBytesToUint16(a.RecvBuf[:2]) ^ binaryx.LEBytesToUint16(a.LastClientHash[14:16])339		randLen := a.rndDataLen(int(dataLen), a.LastClientHash, a.RandomClient)340		length := int(dataLen) + randLen341		if length >= 4096 {342			a.RawTrans = true343			a.RecvBuf = []byte{}344			if a.RecvID == 1 {345				log.Info("%s: over size ", a.NoCompatibleMethod)346				return bytes.Repeat([]byte{byte('E')}, 2048), false, nil347			} else {348				return nil, false, errors.WithStack(errors.New("server_post_decrype data error"))349			}350		}351		if length+4 > len(a.RecvBuf) {352			break353		}354		clientHash := hmacmd5(macKey, a.RecvBuf[:length+2])355		if !bytes.Equal(clientHash[:2], a.RecvBuf[length+2:length+4]) {356			log.Info("%s checksum error, data %s", a.NoCompatibleMethod, hex.EncodeToString(a.RecvBuf[:length]))357			a.RawTrans = true358			a.RecvBuf = []byte{}359			if a.RecvID == 1 {360				return bytes.Repeat([]byte{byte('E')}, 2048), false, nil361			} else {362				return nil, false, errors.WithStack(errors.New("server_post_decrype data uncorrect checksum"))363			}364		}365		a.RecvID = (a.RecvID + 1) & 0xFFFFFFFF366		pos := 2367		if dataLen > 0 && randLen > 0 {368			pos = 2 + a.rndStartPos(randLen, a.RandomClient)369		}370		clearText, err := a.Encryptor.Decrypt(a.RecvBuf[pos : int(dataLen)+pos])371		if err != nil {372			return nil, false, err373		}374		result = bytesx.ContactSlice(result, clearText)375		a.LastClientHash = clientHash376		a.RecvBuf = a.RecvBuf[length+4:]377		if dataLen == 0 {378			sendback = true379		}380	}381	if len(result) > 0 {382		core.GetApp().GetObfsProtocolService().Update(a.UserID, a.ClientID, a.ConnectionID)383	}384	return result, sendback, nil385}386func (a *AuthChainA) ClientUDPPreEncrypt(buf []byte) ([]byte, error) {387	if a.UserKey == nil {388		param := a.GetServerInfo().GetProtocolParam()389		if strings.Contains(param, ":") {390			items := strings.Split(param, ":")391			if len(items) > 1 {392				md5Data := []byte(items[1])393				a.UserKey = md5Data[:]394				uidInt, err := strconv.Atoi(items[0])395				if err != nil {396					return nil, err397				}398				uidPack := binaryx.LEUint32ToBytes(uint32((uidInt)))399				a.UserID = uidPack400			}401		}402		if a.UserKey == nil {403			a.UserID = randomx.RandomBytes(4)404			a.UserKey = a.GetServerInfo().GetKey()405		}406	}407	authData := randomx.RandomBytes(3)408	macKey := a.GetServerInfo().GetKey()409	md5Data := hmacmd5(macKey, authData)410	uid := binaryx.LEBytesToUInt32(a.UserID) ^ binaryx.LEBytesToUInt32(md5Data[0:4])411	uidPack := binaryx.LEUint32ToBytes(uid)412	randLen := a.udpRndDataLen(md5Data, a.RandomClient)413	rc4Key := bytesx.ContactSlice(414		[]byte(base64.StdEncoding.EncodeToString(a.UserKey)),415		[]byte(base64.StdEncoding.EncodeToString(md5Data)),416	)417	encryptor, err := ciphers.NewEncryptor("rc4", string(rc4Key))418	if err != nil {419		return nil, err420	}421	result, err := encryptor.Encrypt(buf)422	if err != nil {423		return nil, err424	}425	result = bytesx.ContactSlice(result, randomx.RandomBytes(randLen), authData, uidPack)426	return bytesx.ContactSlice(result, hmacmd5(a.UserKey, result)[:1]), nil427}428func (a *AuthChainA) ClientUDPPostDecrypt(buf []byte) ([]byte, error) {429	if len(buf) < 8 {430		return []byte{}, nil431	}432	if bytes.Equal(hmacmd5(a.UserKey, buf[:len(buf)])[:1], buf[len(buf)-1:]) {433		return []byte{}, nil434	}435	macKey := a.GetServerInfo().GetKey()436	md5Data := hmacmd5(macKey, buf[len(buf)-8:len(buf)-1])437	randLen := a.udpRndDataLen(md5Data, a.RandomServer)438	rc4Key := bytesx.ContactSlice(439		[]byte(base64.StdEncoding.EncodeToString(a.UserKey)),440		[]byte(base64.StdEncoding.EncodeToString(md5Data)),441	)442	encryptor, err := ciphers.NewEncryptor("rc4", string(rc4Key))443	if err != nil {444		return nil, err445	}446	return encryptor.Decrypt(buf[:len(buf)-8-randLen])447}448func (a *AuthChainA) ServerUDPPreEncrypt(buf, uid []byte) ([]byte, error) {449	var userKey []byte450	if a.GetServerInfo().GetUsers()[string(uid)] != "" {451		userKey = []byte(a.GetServerInfo().GetUsers()[string(uid)])452	} else {453		uid = nil454		if len(a.GetServerInfo().GetUsers()) == 0 {455			userKey = a.GetServerInfo().GetKey()456		} else {457			userKey = a.GetServerInfo().GetRecvIv()458		}459	}460	authData := randomx.RandomBytes(7)461	macKey := a.GetServerInfo().GetKey()462	md5Data := hmacmd5(macKey, authData)463	randLen := a.udpRndDataLen(md5Data, a.RandomServer)464	rc4Key := bytesx.ContactSlice(465		[]byte(base64.StdEncoding.EncodeToString(userKey)),466		[]byte(base64.StdEncoding.EncodeToString(md5Data)),467	)468	encryptor, err := ciphers.NewEncryptor("rc4", string(rc4Key))469	if err != nil {470		return nil, err471	}472	result, err := encryptor.Encrypt(buf)473	if err != nil {474		return nil, err475	}476	result = bytesx.ContactSlice(result, randomx.RandomBytes(randLen), authData)477	result = bytesx.ContactSlice(result, hmacmd5(userKey, result)[:1])478	return result, nil479}480func (a *AuthChainA) ServerUDPPostDecrypt(buf []byte) ([]byte, string, error) {481	macKey := a.GetServerInfo().GetKey()482	md5Data := hmacmd5(macKey, buf[len(buf)-8:len(buf)-5])483	uid := binaryx.LEBytesToUInt32(buf[len(buf)-5:len(buf)-1]) ^ binaryx.LEBytesToUInt32(md5Data[:4])484	uidPack := binaryx.LEUint32ToBytes(uid)485	var userKey []byte486	if a.GetServerInfo().GetUsers()[string(uidPack)] != "" {487		userKey = []byte(a.GetServerInfo().GetUsers()[string(uidPack)])488	} else {489		userKey = nil490		if len(a.GetServerInfo().GetUsers()) == 0 {491			userKey = a.GetServerInfo().GetKey()492		} else {493			userKey = a.GetServerInfo().GetRecvIv()494		}495	}496	if bytes.Equal(hmacmd5(userKey, buf[:len(buf)])[:1], buf[len(buf)-1:]) {497		return []byte{}, "", nil498	}499	randLen := a.udpRndDataLen(md5Data, a.RandomServer)500	rc4Key := bytesx.ContactSlice(501		[]byte(base64.StdEncoding.EncodeToString(userKey)),502		[]byte(base64.StdEncoding.EncodeToString(md5Data)),503	)504	encryptor, err := ciphers.NewEncryptor("rc4", string(rc4Key))505	if err != nil {506		return nil, "", err507	}508	if len(buf)-8-randLen < 0 {509		return nil, "", errors.New("auth_chain_a buf is too short")510	}511	result, err := encryptor.Decrypt(buf[:len(buf)-8-randLen])512	if err != nil {513		return nil, "", err514	}515	return result, string(uidPack), nil516}517func (a *AuthChainA) Dispose() {518	core.GetApp().GetObfsProtocolService().Remove(string(a.UserID), a.ClientID)519}520func (a *AuthChainA) trapezoidRandomFloat(d float64) float64 {521	if d == 0 {522		return randomx.Float64()523	}524	s := randomx.Float64()525	tmp := 1 - d526	return (math.Sqrt(tmp*tmp+4*d*s) - tmp) / (2 * d)527}528func (a *AuthChainA) trapezoidRandomInt(maxVal, d float64) int {529	v := a.trapezoidRandomFloat(d)530	return int(v * maxVal)531}532func (a *AuthChainA) rndDataLen(bufSize int, lastHash []byte, random *XorShift128Plus) int {533	if bufSize > 1440 {534		return 0535	}536	random.InitFromBinLen(lastHash, bufSize)537	if bufSize > 1300 {538		return int(random.Next() % 31)539	}540	if bufSize > 900 {541		return int(random.Next() % 127)542	}543	if bufSize > 400 {544		return int(random.Next() % 521)545	}546	return int(random.Next() % 1021)547}548func (a *AuthChainA) udpRndDataLen(lastHash []byte, random *XorShift128Plus) int {549	random.InitFromBin(lastHash)550	return int(random.Next() % 127)551}552func (a *AuthChainA) rndStartPos(randLen int, random *XorShift128Plus) int {553	if randLen > 0 {554		return int(random.Next() % 8589934609 % uint64(randLen))555	}556	return 0557}558func (a *AuthChainA) rndData(bufSize int, buf []byte, lastHashe []byte, random *XorShift128Plus) []byte {559	randLen := a.rndDataLen(bufSize, lastHashe, random)560	rndDataBuf := randomx.RandomBytes(randLen)561	if bufSize == 0 {562		return rndDataBuf563	} else {564		if randLen > 0 {565			startPos := a.rndStartPos(randLen, random)566			return conbineToBytes(rndDataBuf[:startPos], buf, rndDataBuf[startPos:])567		} else {568			return buf569		}570	}571}572func (a *AuthChainA) packClientData(buf []byte) ([]byte, error) {573	buf, err := a.Encryptor.Encrypt(buf)574	if err != nil {575		return nil, err576	}577	data := a.rndData(len(buf), buf, a.LastClientHash, a.RandomClient)578	macKey := bytesx.ContactSlice(a.UserKey, binaryx.BEUInt32ToBytes(uint32((a.PackID))))579	length := len(buf) ^ int(binaryx.LEBytesToUint16(a.LastClientHash[14:]))580	data = bytesx.ContactSlice(binaryx.LEUInt16ToBytes(uint16(length)), data)581	a.LastClientHash = hmacmd5(macKey, data)582	data = bytesx.ContactSlice(data, a.LastClientHash[:2])583	a.PackID = (a.PackID + 1) & 0xFFFFFFFF584	return data, nil585}586func (a *AuthChainA) packServerData(buf []byte) ([]byte, error) {587	buf, err := a.Encryptor.Encrypt(buf)588	if err != nil {589		return nil, err590	}591	data := a.rndData(len(buf), buf, a.LastServerHash, a.RandomServer)592	macKey := bytesx.ContactSlice(a.UserKey, binaryx.LEUint32ToBytes(uint32(a.PackID)))593	length := len(buf) ^ int(binaryx.LEBytesToUint16(a.LastServerHash[14:]))594	data = bytesx.ContactSlice(binaryx.LEUInt16ToBytes(uint16(length)), data)595	a.LastServerHash = hmacmd5(macKey, data)596	data = bytesx.ContactSlice(data, a.LastServerHash[:2])597	a.PackID = (a.PackID + 1) & 0xFFFFFFFF598	return data, nil599}600func (a *AuthChainA) packAuthData(authData, buf []byte) (result []byte, err error) {601	data := authData602	data = bytesx.ContactSlice(data, binaryx.LEUInt16ToBytes(uint16(a.GetServerInfo().GetOverhead())), binaryx.LEUInt16ToBytes(0))603	macKey := bytesx.ContactSlice(a.GetServerInfo().GetIv(), a.GetServerInfo().GetKey())604	checkHead := randomx.RandomBytes(4)605	a.LastClientHash = hmacmd5(macKey, checkHead)606	checkHead = bytesx.ContactSlice(checkHead, a.LastClientHash[:8])607	param := a.GetServerInfo().GetProtocolParam()608	var uidPack []byte609	if strings.Contains(param, ":") {610		items := strings.Split(param, ":")611		if len(items) > 1 {612			a.UserKey = []byte(items[1])613			uidInt, err := strconv.Atoi(items[0])614			if err != nil {615				return nil, err616			}617			uidPack = binaryx.LEUint32ToBytes(uint32((uidInt)))618		} else {619			uidPack = randomx.RandomBytes(4)620		}621	} else {622		uidPack = randomx.RandomBytes(4)623	}624	if a.UserKey == nil {625		a.UserKey = a.GetServerInfo().GetKey()626	}627	encryptor, err := ciphers.NewEncryptorWithIv("aes-128-cbc",628		string(bytesx.ContactSlice([]byte(base64.StdEncoding.EncodeToString(a.UserKey)), a.Salt)),629		bytes.Repeat([]byte{0x00}, 16))630	if err != nil {631		return nil, err632	}633	uid := binaryx.LEBytesToUInt32([]byte{uidPack[0], uidPack[1], 0x00, 0x00}) ^ binaryx.LEBytesToUInt32(a.LastClientHash[8:12])634	uidPack = binaryx.LEUint32ToBytes(uint32(uid))635	dataCipherText, err := encryptor.Encrypt(data)636	if err != nil {637		return nil, err638	}639	data = bytesx.ContactSlice(uidPack, dataCipherText[16:])...

node2client.go

Source:node2client.go

...37	client.conn = nil38	client.client = nil39	client.lastTaskNums = 140}41// GetServerInfo - getServerInfo42func (client *Node2Client) GetServerInfo(ctx context.Context, logger *zap.Logger) (*tradingpb.ReplyServerInfo, error) {43	if client.conn == nil || client.client == nil {44		conn, err := grpc.Dial(client.servAddr, grpc.WithInsecure())45		if err != nil {46			if logger != nil {47				logger.Error("Node2Client.GetServerInfo:grpc.Dial",48					zap.String("server address", client.servAddr),49					zap.Error(err))50			} else {51				tradingdb2utils.Error("Node2Client.GetServerInfo:grpc.Dial",52					zap.String("server address", client.servAddr),53					zap.Error(err))54			}55			return nil, err56		}57		client.conn = conn58		client.client = tradingpb.NewTradingNode2Client(conn)59	}60	req := &tradingpb.RequestServerInfo{61		BasicRequest: &tradingpb.BasicRequestData{62			Token: client.token,63		},64	}65	reply, err := client.client.GetServerInfo(ctx, req)66	if err != nil {67		if logger != nil {68			logger.Error("Node2Client.GetServerInfo:Client.GetServerInfo",69				zap.Error(err))70		} else {71			tradingdb2utils.Error("Node2Client.GetServerInfo:Client.GetServerInfo",72				zap.Error(err))73		}74		// if error, reset75		client.reset()76		return nil, err77	}78	client.lastTaskNums = int(reply.NodeInfo.MaxTasks - reply.NodeInfo.CurTasks)79	tradingdb2utils.Debug("Node2Client.GetServerInfo",80		tradingdb2utils.JSON("reply", reply))81	return reply, nil82}83// hold - å¾å°ä¸ä¸ªç©ºé²çclientåï¼åºè¯¥é©¬ä¸hold84func (client *Node2Client) hold() error {85	if client.lastTaskNums <= 0 {86		tradingdb2utils.Error("Node2Client.hold",87			zap.Error(ErrNodeNotFree))88		return ErrNodeNotFree89	}90	client.lastTaskNums--91	client.lastTs = time.Now().Unix()92	return nil93}94// freeHold - holdä»¥åï¼åç°æ²¡æä»»å¡ï¼åºè¯¥freeHold95func (client *Node2Client) freeHold() {96	client.lastTaskNums++97}98// calcPNL - calcPNL99func (client *Node2Client) calcPNL(ctx context.Context, params *tradingpb.SimTradingParams, logger *zap.Logger) (*tradingpb.ReplyCalcPNL, error) {100	// if client.lastTaskNums <= 0 {101	// 	if time.Now().Unix()-client.lastTs < TradingNode2RequestOffTime {102	// 		tradingdb2utils.Error("Node2Client.calcPNL",103	// 			zap.Error(ErrNodeNotFree))104	// 		return nil, ErrNodeNotFree105	// 	}106	// 	client.GetServerInfo(ctx, logger)107	// 	if client.lastTaskNums <= 0 {108	// 		return nil, ErrNodeNotFree109	// 	}110	// }111	// client.lastTaskNums--112	// client.lastTs = time.Now().Unix()113	if client.conn == nil || client.client == nil {114		conn, err := grpc.Dial(client.servAddr, grpc.WithInsecure())115		if err != nil {116			if logger != nil {117				logger.Error("Client.calcPNL:grpc.Dial",118					zap.String("server address", client.servAddr),119					zap.Error(err))120			} else {121				tradingdb2utils.Error("Client.calcPNL:grpc.Dial",122					zap.String("server address", client.servAddr),123					zap.Error(err))124			}125			client.GetServerInfo(ctx, logger)126			return nil, err127		}128		client.conn = conn129		client.client = tradingpb.NewTradingNode2Client(conn)130	}131	req := &tradingpb.RequestCalcPNL{132		BasicRequest: &tradingpb.BasicRequestData{133			Token: client.token,134		},135		Params: params,136	}137	reply, err := client.client.CalcPNL(ctx, req)138	if err != nil {139		if logger != nil {140			logger.Error("Client.calcPNL:Client.CalcPNL",141				zap.Error(err),142				zap.String("servAddr", client.servAddr))143		} else {144			tradingdb2utils.Error("Client.calcPNL:Client.CalcPNL",145				zap.Error(err),146				zap.String("servAddr", client.servAddr))147		}148		// if error, reset149		client.reset()150		client.GetServerInfo(ctx, logger)151		return nil, err152	}153	if reply.NodeInfo != nil {154		client.lastTaskNums = int(reply.NodeInfo.MaxTasks - reply.NodeInfo.CurTasks)155		tradingdb2utils.Debug("Node2Client.CalcPNL:NodeInfo",156			tradingdb2utils.JSON("reply.NodeInfo", reply.NodeInfo))157	} else {158		client.lastTaskNums++159		tradingdb2utils.Debug("Node2Client.CalcPNL:non-NodeInfo",160			tradingdb2utils.JSON("lastTaskNums", client.lastTaskNums))161	}162	return reply, nil163}...

GetServerInfo

Using AI Code Generation

1import (2type Client struct {3}4func (c *Client) GetServerInfo() (string, error) {5	err := c.Client.Call("Server.GetServerInfo", "", &reply)6	if err != nil {7		log.Fatal("Server error: ", err)8	}9}10func main() {11	client, err := rpc.DialHTTP("tcp", "

GetServerInfo

Using AI Code Generation

1import (2const (3func main() {4	creds, err := credentials.NewClientTLSFromFile(testdata.Path("ca.pem"), "x.test.youtube.com")5	if err != nil {6		log.Fatalf("could not load tls cert: %s", err)7	}8	conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))9	if err != nil {10		log.Fatalf("did not connect: %v", err)11	}12	defer conn.Close()13	c := pb.NewGreeterClient(conn)14	if len(os.Args) > 1 {15	}16	r, err := c.GetServerInfo(context.Background(), &pb.HelloRequest{Name: name})17	if err != nil {18		log.Fatalf("could not greet: %v", err)19	}20	log.Printf("Greeting: %s", r.Message)21}22import (23const (24func main() {25	creds, err := credentials.NewClientTLSFromFile(testdata.Path("ca.pem"), "x.test.youtube.com")26	if err != nil {27		log.Fatalf("could not load tls cert: %s", err)28	}29	conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))30	if err != nil {31		log.Fatalf("did not connect: %v", err)32	}33	defer conn.Close()34	c := pb.NewGreeterClient(conn)

GetServerInfo

Using AI Code Generation

1import (2func main() {3    str, err := req.String()4    if err != nil {5        fmt.Println(err)6    }7    fmt.Println(str)8}9{10  "data": {

GetServerInfo

Using AI Code Generation

1import (2const (3func main() {4	conn, err := grpc.Dial(address, grpc.WithInsecure())5	if err != nil {6		log.Fatalf("did not connect: %v", err)7	}8	defer conn.Close()9	c := pb.NewClientServiceClient(conn)10	r, err := c.GetServerInfo(context.Background(), &pb.ClientRequest{Name: name})11	if err != nil {12		log.Fatalf("could not greet: %v", err)13	}14	log.Printf("Greeting: %s", r.GetMessage())15}16import (17const (18func main() {19	conn, err := grpc.Dial(address, grpc.WithInsecure())20	if err != nil {21		log.Fatalf("did not connect: %v", err)22	}23	defer conn.Close()24	c := pb.NewClientServiceClient(conn)25	r, err := c.GetServerInfoStream(context.Background(), &pb.ClientRequest{Name: name})26	if err != nil {27		log.Fatalf("could not greet: %v", err)28	}29	for {30		res, err := r.Recv()31		if err == io.EOF {32		}33		if err != nil {34			log.Fatalf("could not greet: %v", err)35		}36		log.Printf("Greeting: %s", res.GetMessage())37	}38}39import (40const (41func main() {42	conn, err := grpc.Dial(address, grpc.WithInsecure())43	if err != nil {44		log.Fatalf("

GetServerInfo

Using AI Code Generation

1import (2func main() {3    c := client.NewClient()4    info, err := c.GetServerInfo()5    if err != nil {6        fmt.Printf("error: %v7    }8    fmt.Printf("info: %+v9}10import (11func main() {12    c := client.NewClient()13    info, err := c.GetServerInfo()14    if err != nil {15        fmt.Printf("error: %v16    }17    fmt.Printf("info: %+v18}19import (20func main() {21    c := client.NewClient()22    info, err := c.GetServerInfo()23    if err != nil {24        fmt.Printf("error: %v25    }26    fmt.Printf("info: %+v27}28import (29func main() {30    c := client.NewClient()31    info, err := c.GetServerInfo()32    if err != nil {33        fmt.Printf("error: %v34    }35    fmt.Printf("info: %+v36}37import (38func main() {39    c := client.NewClient()40    info, err := c.GetServerInfo()41    if err != nil {42        fmt.Printf("error: %v43    }44    fmt.Printf("info: %+v45}

GetServerInfo

Using AI Code Generation

1import (2func main() {3	c.GetServerInfo()4}5import (6func GetServerInfo() {7	fmt.Println("GetServerInfo")8}9import "client"10import "client/client"11import (12func main() {13	c.GetServerInfo()14}15import "client"16import "client/client"17import (18func main() {19	c.GetServerInfo()20}21import "client"22import "client/client"23import (24func main() {25	c.GetServerInfo()26}

GetServerInfo

Using AI Code Generation

1import (2const (3func main() {4	conn, err := grpc.Dial(address, grpc.WithInsecure())5	if err != nil {6		log.Fatalf("did not connect: %v", err)7	}8	defer conn.Close()9	c := pb.NewHelloServiceClient(conn)10	r, err := c.GetServerInfo(context.Background(), &pb.HelloRequest{Name: name})11	if err != nil {12		log.Fatalf("could not greet: %v", err)13	}14	log.Printf("Greeting: %s", r.GetMessage())15}16import (17const (18func main() {19	conn, err := grpc.Dial(address, grpc.WithInsecure())20	if err != nil {21		log.Fatalf("did not connect: %v", err)22	}23	defer conn.Close()24	c := pb.NewHelloServiceClient(conn)25	r, err := c.GetServerInfo(context.Background(), &pb.HelloRequest{Name: name})26	if err != nil {27		log.Fatalf("could not greet: %v", err)28	}29	log.Printf("Greeting: %s", r.GetMessage())30}31import (32const (33func main() {34	conn, err := grpc.Dial(address, grpc.WithInsecure())35	if err != nil {36		log.Fatalf("did not connect:

Automation Testing Tutorials

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