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The following commit(s) were added to refs/heads/master by this push:
     new 9baa8b3d9d [INLONG-11749][SDK] Clean up unused configuration items and 
functions (#11750)
9baa8b3d9d is described below

commit 9baa8b3d9da280f7b82a721dab15fbf52556851e
Author: Goson Zhang <4675...@qq.com>
AuthorDate: Tue Feb 11 19:45:39 2025 +0800

    [INLONG-11749][SDK] Clean up unused configuration items and functions 
(#11750)
    
    * [INLONG-11749][SDK] Clean up unused configuration items and functions
    
    * [INLONG-11749][SDK] Clean up unused configuration items and functions
    
    ---------
    
    Co-authored-by: gosonzhang <gosonzh...@tencent.com>
---
 .../sdk/dataproxy/MsgSenderMultiFactory.java       |   5 +-
 .../sdk/dataproxy/MsgSenderSingleFactory.java      |   4 +-
 .../inlong/sdk/dataproxy/codec/EncodeObject.java   | 397 ---------------------
 .../sdk/dataproxy/common/ProxyClientConfig.java    |   4 +-
 .../inlong/sdk/dataproxy/common/SdkConsts.java     |  26 --
 .../inlong/sdk/dataproxy/common/SendResult.java    |  43 ---
 .../sdk/dataproxy/config/ProxyConfigManager.java   |   8 +-
 .../inlong/sdk/dataproxy/example/ExampleUtils.java |   5 +-
 .../sdk/dataproxy/example/UdpClientExample.java    | 283 ---------------
 .../inlong/sdk/dataproxy/network/SequentialID.java |   7 -
 .../dataproxy/sender/tcp/TcpMsgSenderConfig.java   |  32 +-
 .../inlong/sdk/dataproxy/utils/ProxyUtils.java     | 119 ------
 12 files changed, 18 insertions(+), 915 deletions(-)

diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderMultiFactory.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderMultiFactory.java
index bcf32defd3..559b7d7bac 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderMultiFactory.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderMultiFactory.java
@@ -23,6 +23,7 @@ import 
org.apache.inlong.sdk.dataproxy.sender.http.HttpMsgSenderConfig;
 import org.apache.inlong.sdk.dataproxy.sender.http.InLongHttpMsgSender;
 import org.apache.inlong.sdk.dataproxy.sender.tcp.InLongTcpMsgSender;
 import org.apache.inlong.sdk.dataproxy.sender.tcp.TcpMsgSenderConfig;
+import org.apache.inlong.sdk.dataproxy.utils.ProxyUtils;
 
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -40,8 +41,8 @@ public class MsgSenderMultiFactory implements 
MsgSenderFactory {
     private final BaseMsgSenderFactory baseMsgSenderFactory;
 
     public MsgSenderMultiFactory() {
-        this.baseMsgSenderFactory = new BaseMsgSenderFactory(
-                this, "iMultiFact-" + refCounter.incrementAndGet());
+        this.baseMsgSenderFactory = new BaseMsgSenderFactory(this,
+                "iMultiFact-" + ProxyUtils.getProcessPid() + "-" + 
refCounter.incrementAndGet());
         this.initialized.set(true);
     }
 
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderSingleFactory.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderSingleFactory.java
index 3ca9821c43..4e99c6550b 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderSingleFactory.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/MsgSenderSingleFactory.java
@@ -44,8 +44,8 @@ public class MsgSenderSingleFactory implements 
MsgSenderFactory {
     public MsgSenderSingleFactory() {
         synchronized (singletonRefCounter) {
             if (singletonRefCounter.incrementAndGet() == 1) {
-                baseMsgSenderFactory = new BaseMsgSenderFactory(
-                        this, "iSingleFct-" + refCounter.incrementAndGet());
+                baseMsgSenderFactory = new BaseMsgSenderFactory(this,
+                        "iSingleFct-" + ProxyUtils.getProcessPid() + "-" + 
refCounter.incrementAndGet());
                 initialized.set(true);
             }
         }
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/codec/EncodeObject.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/codec/EncodeObject.java
deleted file mode 100644
index 6e00e98158..0000000000
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/codec/EncodeObject.java
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.inlong.sdk.dataproxy.codec;
-
-import org.apache.inlong.common.enums.DataProxyErrCode;
-import org.apache.inlong.common.msg.AttributeConstants;
-import org.apache.inlong.common.msg.MsgType;
-import org.apache.inlong.sdk.dataproxy.common.SendResult;
-import org.apache.inlong.sdk.dataproxy.config.EncryptConfigEntry;
-
-import com.google.common.base.Splitter;
-import org.apache.commons.lang3.StringUtils;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-public class EncodeObject {
-
-    private static final Splitter.MapSplitter MAP_SPLITTER = 
Splitter.on(AttributeConstants.SEPARATOR).trimResults()
-            .withKeyValueSeparator(AttributeConstants.KEY_VALUE_SEPARATOR);
-
-    private String attributes;
-    private String messageId;
-    private int msgtype;
-    private List<byte[]> bodylist;
-    private String commonattr = "";
-    private String messageKey = "data";
-    private String proxyIp = "";
-    // private long seqId
-    private long dt;
-    // package time
-    private long packageTime = System.currentTimeMillis();
-    private int cnt = -1;
-    private boolean isReport = false;
-    private boolean isGroupIdTransfer = false;
-    private boolean isSupportLF = false;
-    private boolean isAuth = false;
-    private boolean isEncrypt = false;
-    private boolean isCompress = true;
-    private int groupIdNum = 0;
-    private int streamIdNum = 0;
-    private String groupId;
-    private String streamId;
-    private short load;
-    private String userName = "";
-    private String secretKey = "";
-    private String msgUUID = null;
-    private EncryptConfigEntry encryptEntry = null;
-
-    private SendResult sendResult = SendResult.OK;
-    private String errMsg;
-    private String dpIp;
-
-    /* Used by de_serialization. msgtype=7/8 */
-    public EncodeObject(String attributes) {
-        handleAttr(attributes);
-    }
-
-    /* Used by de_serialization. */
-    public EncodeObject(List<byte[]> bodyList, String attributes) {
-        this.bodylist = bodyList;
-        this.attributes = attributes;
-        handleAttr(attributes);
-    }
-
-    // used for bodylist initializtion,msgtype=3/5
-    public EncodeObject(List<byte[]> bodyList, String attributes, String 
messageId,
-            int msgtype, boolean isCompress, final String groupId) {
-        this.bodylist = bodyList;
-        this.messageId = messageId;
-        this.attributes = attributes + "&messageId=" + messageId;
-        this.msgtype = msgtype;
-        this.groupId = groupId;
-        this.isCompress = isCompress;
-        addRTMS(msgtype);
-    }
-
-    // used for bodylist initializtion,msgtype=7/8
-    public EncodeObject(List<byte[]> bodyList, int msgtype, boolean isCompress,
-            boolean isReport, boolean isGroupIdTransfer, long dt,
-            long seqId, String groupId, String streamId, String commonattr) {
-        this.bodylist = bodyList;
-        this.msgtype = msgtype;
-        this.isCompress = isCompress;
-        this.isReport = isReport;
-        this.dt = dt;
-        this.isGroupIdTransfer = isGroupIdTransfer;
-        this.commonattr = commonattr;
-        this.messageId = String.valueOf(seqId);
-        this.groupId = groupId;
-        this.streamId = streamId;
-        addRTMS(msgtype);
-    }
-
-    // file agent, used for bodylist initializtion,msgtype=7/8
-    public EncodeObject(List<byte[]> bodyList, int msgtype, boolean isCompress,
-            boolean isReport, boolean isGroupIdTransfer, long dt,
-            long seqId, String groupId, String streamId, String commonattr,
-            String messageKey, String proxyIp) {
-        this.bodylist = bodyList;
-        this.msgtype = msgtype;
-        this.isCompress = isCompress;
-        this.isReport = isReport;
-        this.dt = dt;
-        this.isGroupIdTransfer = isGroupIdTransfer;
-        this.commonattr = commonattr;
-        this.messageId = String.valueOf(seqId);
-        this.groupId = groupId;
-        this.streamId = streamId;
-        this.messageKey = messageKey;
-        this.proxyIp = proxyIp;
-        addRTMS(msgtype);
-    }
-
-    private void handleAttr(String attributes) {
-        if (StringUtils.isBlank(attributes)) {
-            return;
-        }
-        Map<String, String> backAttrs = new 
HashMap<>(MAP_SPLITTER.split(attributes));
-        if (backAttrs.containsKey(AttributeConstants.MESSAGE_ID)) {
-            this.messageId = backAttrs.get(AttributeConstants.MESSAGE_ID);
-        }
-        dpIp = backAttrs.get(AttributeConstants.MESSAGE_DP_IP);
-
-        String errCode = 
backAttrs.get(AttributeConstants.MESSAGE_PROCESS_ERRCODE);
-        // errCode is empty or equals 0 -> success
-        if (StringUtils.isBlank(errCode) || Integer.parseInt(errCode) == 0) {
-            this.sendResult = SendResult.OK;
-        } else {
-            // get errMsg
-            this.errMsg = 
backAttrs.get(AttributeConstants.MESSAGE_PROCESS_ERRMSG);
-            if (StringUtils.isBlank(errMsg)) {
-                this.errMsg = 
DataProxyErrCode.valueOf(Integer.parseInt(errCode)).getErrMsg();
-            }
-            // sendResult
-            this.sendResult = convertToSendResult(Integer.parseInt(errCode));
-        }
-    }
-
-    private void addRTMS(int msgtype) {
-        if (msgtype == MsgType.MSG_BIN_MULTI_BODY.getValue() || msgtype == 
MsgType.MSG_BIN_HEARTBEAT.getValue()) {
-            if (StringUtils.isBlank(commonattr)) {
-                this.commonattr = AttributeConstants.MSG_RPT_TIME + "=" + 
System.currentTimeMillis();
-            } else {
-                this.commonattr += "&" + AttributeConstants.MSG_RPT_TIME + "=" 
+ System.currentTimeMillis();
-            }
-        } else {
-            if (StringUtils.isBlank(attributes)) {
-                this.attributes = AttributeConstants.MSG_RPT_TIME + "=" + 
System.currentTimeMillis();
-            } else {
-                this.attributes += "&" + AttributeConstants.MSG_RPT_TIME + "=" 
+ System.currentTimeMillis();
-            }
-        }
-    }
-
-    private SendResult convertToSendResult(int errCode) {
-        DataProxyErrCode dpErrCode = DataProxyErrCode.valueOf(errCode);
-        switch (dpErrCode) {
-            case SINK_SERVICE_UNREADY:
-                return SendResult.SINK_SERVICE_UNREADY;
-            case MISS_REQUIRED_GROUPID_ARGUMENT:
-            case MISS_REQUIRED_STREAMID_ARGUMENT:
-            case MISS_REQUIRED_DT_ARGUMENT:
-            case UNSUPPORTED_EXTEND_FIELD_VALUE:
-                return SendResult.INVALID_ATTRIBUTES;
-            case MISS_REQUIRED_BODY_ARGUMENT:
-            case EMPTY_MSG:
-                return SendResult.INVALID_DATA;
-            case BODY_EXCEED_MAX_LEN:
-                return SendResult.BODY_EXCEED_MAX_LEN;
-            case UNCONFIGURED_GROUPID_OR_STREAMID:
-                return SendResult.UNCONFIGURED_GROUPID_OR_STREAMID;
-            case PUT_EVENT_TO_CHANNEL_FAILURE:
-            case NO_AVAILABLE_PRODUCER:
-            case PRODUCER_IS_NULL:
-            case SEND_REQUEST_TO_MQ_FAILURE:
-            case MQ_RETURN_ERROR:
-            case DUPLICATED_MESSAGE:
-                return SendResult.DATAPROXY_FAIL_TO_RECEIVE;
-            default:
-                return SendResult.UNKOWN_ERROR;
-        }
-    }
-
-    public String getMsgUUID() {
-        return msgUUID;
-    }
-
-    public void setMsgUUID(String msgUUID) {
-        this.msgUUID = msgUUID;
-    }
-
-    public boolean isGroupIdTransfer() {
-        return isGroupIdTransfer;
-    }
-
-    public int getGroupIdNum() {
-        return groupIdNum;
-    }
-
-    public int getStreamIdNum() {
-        return streamIdNum;
-    }
-
-    public void setGroupIdAndStreamIdNum(int groupIdNum, int streamIdNum) {
-        this.groupIdNum = groupIdNum;
-        this.streamIdNum = streamIdNum;
-        if (groupIdNum != 0 && streamIdNum != 0) {
-            this.isGroupIdTransfer = true;
-        }
-    }
-
-    public short getLoad() {
-        return load;
-    }
-
-    public void setLoad(short load) {
-        this.load = load;
-    }
-
-    public String getGroupId() {
-        return groupId;
-    }
-
-    public void setGroupId(String groupId) {
-        this.groupId = groupId;
-    }
-
-    public String getStreamId() {
-        return streamId;
-    }
-
-    public void setStreamId(String streamId) {
-        this.streamId = streamId;
-    }
-
-    public boolean isReport() {
-        return isReport;
-    }
-
-    public void setReport(boolean isReport) {
-        this.isReport = isReport;
-    }
-
-    public boolean isAuth() {
-        return isAuth;
-    }
-
-    public void setAuth(boolean auth, final String userName, final String 
secretKey) {
-        this.isAuth = auth;
-        this.userName = userName;
-        this.secretKey = secretKey;
-    }
-
-    public String getUserName() {
-        return userName;
-    }
-
-    public String getSecretKey() {
-        return secretKey;
-    }
-
-    public boolean isEncrypt() {
-        return isEncrypt;
-    }
-
-    public EncryptConfigEntry getEncryptEntry() {
-        return encryptEntry;
-    }
-
-    public void setEncryptEntry(boolean isEncrypt, String userName, 
EncryptConfigEntry encryptEntry) {
-        this.isEncrypt = isEncrypt;
-        if (userName != null) {
-            this.userName = userName;
-        }
-        this.encryptEntry = encryptEntry;
-    }
-
-    public long getDt() {
-        return dt;
-    }
-
-    public void setDt(long dt) {
-        this.dt = dt;
-    }
-
-    public long getPackageTime() {
-        return packageTime;
-    }
-
-    public void setPackageTime(long packageTime) {
-        this.packageTime = packageTime;
-    }
-
-    public String getCommonattr() {
-        return commonattr;
-    }
-
-    public void setCommonattr(String commonattr) {
-        this.commonattr = commonattr;
-    }
-
-    public boolean isCompress() {
-        return isCompress;
-    }
-
-    public List<byte[]> getBodylist() {
-        return bodylist;
-    }
-
-    public int getMsgtype() {
-        return msgtype;
-    }
-
-    public void setMsgtype(int msgtype) {
-        this.msgtype = msgtype;
-    }
-
-    public String getAttributes() {
-        return attributes;
-    }
-
-    public String getMessageId() {
-        return messageId;
-    }
-
-    public void setMessageId(String messageId) {
-        this.messageId = messageId;
-    }
-
-    public String getMessageKey() {
-        return messageKey;
-    }
-
-    public void setMessageKey(String messageKey) {
-        this.messageKey = messageKey;
-    }
-
-    public String getProxyIp() {
-        return proxyIp;
-    }
-
-    public void setProxyIp(String proxyIp) {
-        this.proxyIp = proxyIp;
-    }
-
-    public boolean isSupportLF() {
-        return isSupportLF;
-    }
-
-    public void setSupportLF(boolean supportLF) {
-        isSupportLF = supportLF;
-    }
-
-    public int getCnt() {
-        return cnt;
-    }
-
-    public void setCnt(int cnt) {
-        this.cnt = cnt;
-    }
-
-    public int getRealCnt() {
-        if (bodylist != null) {
-            return bodylist.size();
-        }
-        return 1;
-    }
-
-    public String getDpIp() {
-        return dpIp;
-    }
-
-    public String getErrMsg() {
-        return errMsg;
-    }
-
-    public SendResult getSendResult() {
-        return sendResult;
-    }
-}
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/ProxyClientConfig.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/ProxyClientConfig.java
index acb6db81ba..4079eaf81e 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/ProxyClientConfig.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/ProxyClientConfig.java
@@ -64,8 +64,6 @@ public class ProxyClientConfig implements Cloneable {
     private int mgrConnTimeoutMs = SdkConsts.VAL_DEF_TCP_CONNECT_TIMEOUT_MS;
     // whether to start using local proxy configure
     private boolean onlyUseLocalProxyConfig = false;
-    // max retry count if meta query
-    private int metaQryMaxRetryIfFail = 
SdkConsts.VAL_DEF_RETRY_IF_CONFIG_SYNC_FAIL;
     // meta sync interval ms
     private long mgrMetaSyncInrMs =
             SdkConsts.VAL_DEF_CONFIG_SYNC_INTERVAL_MIN * 
SdkConsts.VAL_UNIT_MIN_TO_MS;
@@ -88,7 +86,7 @@ public class ProxyClientConfig implements Cloneable {
     // node forced selection interval ms
     private long forceReChooseInrMs = SdkConsts.VAL_DEF_FORCE_CHOOSE_INR_MS;
     // metric setting
-    private MetricConfig metricConfig = new MetricConfig();
+    private final MetricConfig metricConfig = new MetricConfig();
     // report setting
     private boolean enableReportAuthz = false;
     private boolean enableReportEncrypt = false;
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SdkConsts.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SdkConsts.java
index 948088bc8a..7979851d3e 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SdkConsts.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SdkConsts.java
@@ -122,31 +122,7 @@ public class SdkConsts {
     public static final int VAL_MAX_HTTP_ASYNC_WORKER_IDLE_WAIT_MS = 3000;
     public static final int VAL_MIN_HTTP_ASYNC_WORKER_IDLE_WAIT_MS = 10;
 
-    public static final int MAX_TIMEOUT_CNT = 10;
     public static final int LOAD_THRESHOLD = 0;
-    public static final int CYCLE = 30;
-
-    public static final int MSG_TYPE = 7;
-    public static final int COMPRESS_SIZE = 120;
-
-    /* Configure the thread pool size for sync message sending. */
-    public static final int SYNC_THREAD_POOL_SIZE = 5;
-    public static final int MAX_SYNC_THREAD_POOL_SIZE = 10;
-
-    /* Configure the in-memory callback size for asynchronously message 
sending. */
-    public static final int ASYNC_CALLBACK_SIZE = 50000;
-    public static final int MAX_ASYNC_CALLBACK_SIZE = 2000000;
-
-    /* Configure the proxy IP list refresh parameters. */
-    public static final int PROXY_UPDATE_INTERVAL_MINUTES = 5;
-
-    /* one hour interval */
-    public static final int PROXY_HTTP_UPDATE_INTERVAL_MINUTES = 60;
-
-    public static final int MAX_LINE_CNT = 30;
-
-    public static final String RECEIVE_BUFFER_SIZE = "receiveBufferSize";
-    public static final String SEND_BUFFER_SIZE = "sendBufferSize";
 
     public static final int FLAG_ALLOW_AUTH = 1 << 7;
     public static final int FLAG_ALLOW_ENCRYPT = 1 << 6;
@@ -155,8 +131,6 @@ public class SdkConsts {
     public static final int EXT_FIELD_FLAG_DISABLE_ID2NUM = 1 << 2;
     public static final int EXT_FIELD_FLAG_SEP_BY_LF = 1 << 5;
 
-    public static int DEFAULT_SENDER_MAX_ATTEMPT = 1;
-
     /* Reserved attribute data size(bytes). */
     public static int RESERVED_ATTRIBUTE_LENGTH = 256;
 }
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SendResult.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SendResult.java
deleted file mode 100644
index 97716b4723..0000000000
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/common/SendResult.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.inlong.sdk.dataproxy.common;
-
-public enum SendResult {
-    OK,
-    INVALID_ATTRIBUTES, // including DataProxyErrCode(100,101,102,112)
-    TIMEOUT,
-    CONNECTION_BREAK,
-    THREAD_INTERRUPT,
-    ASYNC_CALLBACK_BUFFER_FULL,
-    NO_CONNECTION,
-    INVALID_DATA, // including DataProxyErrCode(103, 111)
-    BODY_EXCEED_MAX_LEN, // DataProxyErrCode(104)
-    SINK_SERVICE_UNREADY, // DataProxyErrCode(1)
-    UNCONFIGURED_GROUPID_OR_STREAMID, // DataProxyErrCode(113)
-    TOPIC_IS_BLANK, // DataProxyErrCode(115)
-    DATAPROXY_FAIL_TO_RECEIVE, // DataProxyErrCode(114,116,117,118,119,120)
-    MESSAGE_TOO_LARGE,
-    WRITE_OVER_WATERMARK, /* error when water overflow */
-    MAX_FLIGHT_ON_ALL_CONNECTION,
-    NO_REMOTE_NODE_META_INFOS,
-    EMPTY_ACTIVE_NODE_SET,
-    NO_VALID_REMOTE_NODE,
-    SENDER_CLOSED,
-
-    UNKOWN_ERROR
-}
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/config/ProxyConfigManager.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/config/ProxyConfigManager.java
index 52aa52e85e..805d158849 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/config/ProxyConfigManager.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/config/ProxyConfigManager.java
@@ -863,9 +863,11 @@ public class ProxyConfigManager extends Thread {
     }
 
     private void addAuthorizationInfo(HttpPost httpPost) {
-        httpPost.addHeader(BasicAuth.BASIC_AUTH_HEADER,
-                
BasicAuth.genBasicAuthCredential(mgrConfig.getMgrAuthSecretId(),
-                        mgrConfig.getMgrAuthSecretKey()));
+        if (mgrConfig.isEnableMgrAuthz()) {
+            httpPost.addHeader(BasicAuth.BASIC_AUTH_HEADER,
+                    
BasicAuth.genBasicAuthCredential(mgrConfig.getMgrAuthSecretId(),
+                            mgrConfig.getMgrAuthSecretKey()));
+        }
     }
 
     private List<BasicNameValuePair> buildProxyNodeQueryParams() {
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/ExampleUtils.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/ExampleUtils.java
index b271aeccf1..653ea86147 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/ExampleUtils.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/ExampleUtils.java
@@ -23,6 +23,7 @@ import 
org.apache.inlong.sdk.dataproxy.sender.http.HttpEventInfo;
 import org.apache.inlong.sdk.dataproxy.sender.http.HttpMsgSender;
 import org.apache.inlong.sdk.dataproxy.sender.tcp.TcpEventInfo;
 import org.apache.inlong.sdk.dataproxy.sender.tcp.TcpMsgSender;
+import org.apache.inlong.sdk.dataproxy.utils.ProxyUtils;
 
 import org.apache.commons.codec.binary.StringUtils;
 
@@ -53,13 +54,15 @@ public class ExampleUtils {
             if (isMultiItem) {
                 // send single message
                 while (curCount++ < reqCnt) {
+                    Map<String, String> filteredAttrs;
                     try {
                         if (curCount > 1) {
                             localAttrs.clear();
                             localAttrs.put("index", String.valueOf(curCount));
                         }
+                        filteredAttrs = ProxyUtils.getValidAttrs(localAttrs);
                         eventInfo = new TcpEventInfo(groupId, streamId,
-                                System.currentTimeMillis(), localAttrs, 
multiBodys);
+                                System.currentTimeMillis(), filteredAttrs, 
multiBodys);
                     } catch (Throwable ex) {
                         System.out.println("Build tcp event failure, ex=" + 
ex);
                         continue;
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/UdpClientExample.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/UdpClientExample.java
deleted file mode 100644
index abc661348c..0000000000
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/example/UdpClientExample.java
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.inlong.sdk.dataproxy.example;
-
-import org.apache.inlong.sdk.dataproxy.codec.EncodeObject;
-import org.apache.inlong.sdk.dataproxy.config.EncryptConfigEntry;
-import org.apache.inlong.sdk.dataproxy.config.EncryptInfo;
-import org.apache.inlong.sdk.dataproxy.network.SequentialID;
-import org.apache.inlong.sdk.dataproxy.utils.EncryptUtil;
-
-import io.netty.bootstrap.Bootstrap;
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.ByteBufAllocator;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelOption;
-import io.netty.channel.SimpleChannelInboundHandler;
-import io.netty.channel.nio.NioEventLoopGroup;
-import io.netty.channel.socket.DatagramPacket;
-import io.netty.channel.socket.nio.NioDatagramChannel;
-import org.apache.commons.lang3.StringUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.xerial.snappy.Snappy;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.net.InetSocketAddress;
-import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
-import java.security.SecureRandom;
-import java.util.Collections;
-import java.util.concurrent.TimeUnit;
-
-import static 
org.apache.inlong.sdk.dataproxy.common.SdkConsts.FLAG_ALLOW_COMPRESS;
-import static 
org.apache.inlong.sdk.dataproxy.common.SdkConsts.FLAG_ALLOW_ENCRYPT;
-
-public class UdpClientExample {
-
-    private static final Logger logger = 
LoggerFactory.getLogger(UdpClientExample.class);
-
-    private static SequentialID idGenerator = new SequentialID();
-
-    private static SecureRandom random = new SecureRandom();
-
-    public static void main(String[] args) {
-        long sentCount = 10;
-        String groupId = "test_group_id";
-        String streamId = "test_stream_id";
-        String busIp = "127.0.0.1";
-        int busPort = 46802;
-        String attr = "";
-        UdpClientExample demo = new UdpClientExample();
-        Channel channel = demo.initUdpChannel();
-        /*
-         * It is recommended to use msg type 7. For others, please refer to 
the official related documents Therefore,
-         * use type 7 to assemble the message. For other types, please refer 
to the sdk source code
-         */
-        try {
-            int count = 0;
-            while (count < sentCount) {
-                if (count % 1000 == 0) {
-                    long seqId = idGenerator.getNextInt();
-                    long dt = System.currentTimeMillis() / 1000;
-                    EncodeObject encodeObject =
-                            demo.getEncodeObject(7, false,
-                                    false, false, dt, seqId, groupId,
-                                    streamId, attr);
-                    ByteBuf buffer = demo.getSendBuf(encodeObject);
-                    demo.sendUdpMessage(channel, busIp, busPort, buffer);
-                    TimeUnit.SECONDS.sleep(1);
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
-    public static String getRandomString(int length) {
-        StringBuilder sb = new StringBuilder();
-        String string = "i am bus test client!";
-        for (int i = 0; i < length; i++) {
-            int number = random.nextInt(string.length());
-            sb.append(string.charAt(number));
-        }
-        return sb.toString();
-    }
-
-    public boolean sendUdpMessage(Channel channel, String ip, int port, 
ByteBuf msg) {
-        try {
-            channel.writeAndFlush(new DatagramPacket(msg, new 
InetSocketAddress(ip, port))).sync();
-            logger.info("send = [{}/{}]", ip, port);
-        } catch (InterruptedException e) {
-            logger.info("send has exception e = {}", e);
-        }
-        return true;
-    }
-
-    private EncodeObject getEncodeObject(int msgType, boolean isCompress, 
boolean isReport,
-            boolean isGroupIdTransfer, long dt, long seqId, String groupId, 
String streamId,
-            String attr) throws UnsupportedEncodingException {
-        EncodeObject encodeObject =
-                new 
EncodeObject(Collections.singletonList(getRandomString(5).getBytes("UTF-8")),
-                        msgType, isCompress, isReport, isGroupIdTransfer, dt, 
seqId, groupId, streamId, attr);
-        return encodeObject;
-    }
-
-    public ByteBuf getSendBuf(EncodeObject message) {
-        ByteBuf buf = null;
-        try {
-            if (message.getMsgtype() == 7) {
-                buf = writeToBuf7(message);
-            }
-        } catch (Exception e) {
-            logger.error("{}", e.getMessage());
-            e.printStackTrace();
-        }
-        return buf;
-    }
-
-    private ByteBuf writeToBuf7(EncodeObject object) {
-        ByteBuf buf = null;
-        try {
-            int totalLength = 1 + 2 + 2 + 2 + 4 + 2 + 4 + 4 + 2 + 2;
-            byte[] body = null;
-            int cnt = 1;
-
-            if (object.getBodylist() != null && 
!object.getBodylist().isEmpty()) {
-                if (object.getCnt() > 0) {
-                    cnt = object.getCnt();
-                } else {
-                    cnt = object.getBodylist().size();
-                }
-                ByteArrayOutputStream out = new ByteArrayOutputStream();
-
-                if (object.isSupportLF()) {
-                    int totalCnt = 0;
-                    ByteArrayOutputStream data = new ByteArrayOutputStream();
-                    for (byte[] entry : object.getBodylist()) {
-                        if (totalCnt++ > 0) {
-                            data.write("\n".getBytes("utf8"));
-                        }
-                        data.write(entry);
-                    }
-                    ByteBuffer dataBuffer = ByteBuffer.allocate(4);
-                    dataBuffer.putInt(data.toByteArray().length);
-                    out.write(dataBuffer.array());
-                    out.write(data.toByteArray());
-                } else {
-                    for (byte[] entry : object.getBodylist()) {
-                        ByteBuffer dataBuffer = ByteBuffer.allocate(4);
-                        dataBuffer.putInt(entry.length);
-                        out.write(dataBuffer.array());
-                        out.write(entry);
-                    }
-                }
-                body = out.toByteArray();
-            }
-            if (body != null) {
-                if (object.isCompress()) {
-                    body = processCompress(body);
-                }
-                String endAttr = object.getCommonattr();
-                if (object.isEncrypt()) {
-                    EncryptConfigEntry encryptEntry = object.getEncryptEntry();
-                    if (encryptEntry != null) {
-                        if (StringUtils.isNotBlank(endAttr)) {
-                            endAttr = endAttr + "&";
-                        }
-                        EncryptInfo encryptInfo = 
encryptEntry.getRsaEncryptInfo();
-                        endAttr = endAttr + "_userName=" + 
object.getUserName() + "&_encyVersion="
-                                + encryptInfo.getVersion() + "&_encyAesKey="
-                                + encryptInfo.getRsaEncryptedKey();
-                        body = EncryptUtil.aesEncrypt(body, 
encryptInfo.getAesKey());
-                    }
-                }
-                if (!object.isGroupIdTransfer()) {
-                    if (StringUtils.isNotBlank(endAttr)) {
-                        endAttr = endAttr + "&";
-                    }
-                    endAttr = (endAttr + "groupId=" + object.getGroupId() + 
"&streamId="
-                            + object.getStreamId());
-                }
-                if (StringUtils.isNotBlank(object.getMsgUUID())) {
-                    if (StringUtils.isNotBlank(endAttr)) {
-                        endAttr = endAttr + "&";
-                    }
-                    endAttr = endAttr + "msgUUID=" + object.getMsgUUID();
-                }
-                int msgType = 7;
-                if (object.isEncrypt()) {
-                    msgType |= FLAG_ALLOW_ENCRYPT;
-                }
-                if (object.isCompress()) {
-                    msgType |= FLAG_ALLOW_COMPRESS;
-                }
-                totalLength = totalLength + body.length
-                        + endAttr.getBytes("utf8").length;
-                buf = ByteBufAllocator.DEFAULT.buffer(4 + totalLength);
-                buf.writeInt(totalLength);
-                buf.writeByte(msgType);
-                buf.writeShort(object.getGroupIdNum());
-                buf.writeShort(object.getStreamIdNum());
-                String bitStr = object.isSupportLF() ? "1" : "0";
-                bitStr += (object.getMessageKey().equals("minute")) ? "1" : 
"0";
-                bitStr += (object.getMessageKey().equals("file")) ? "1" : "0";
-                bitStr += !object.isGroupIdTransfer() ? "1" : "0";
-                bitStr += object.isReport() ? "1" : "0";
-                bitStr += "0";
-                buf.writeShort(Integer.parseInt(bitStr, 2));
-                buf.writeInt((int) object.getDt());
-                buf.writeShort(cnt);
-                buf.writeInt(Integer.valueOf(object.getMessageId()));
-
-                buf.writeInt(body.length);
-                buf.writeBytes(body);
-
-                buf.writeShort(endAttr.getBytes("utf8").length);
-                buf.writeBytes(endAttr.getBytes("utf8"));
-                buf.writeShort(0xee01);
-            }
-        } catch (Exception e) {
-            logger.error("{}", e.getMessage());
-            e.printStackTrace();
-        }
-        return buf;
-    }
-
-    private byte[] processCompress(byte[] body) {
-        try {
-            ByteArrayOutputStream out = new ByteArrayOutputStream();
-            out.write(body);
-            int guessLen = Snappy.maxCompressedLength(out.size());
-            byte[] tmpData = new byte[guessLen];
-            int len = Snappy.compress(out.toByteArray(), 0,
-                    out.size(), tmpData, 0);
-            body = new byte[len];
-            System.arraycopy(tmpData, 0, body, 0, len);
-        } catch (IOException e) {
-            logger.error("{}", e.getMessage());
-            e.printStackTrace();
-        }
-        return body;
-    }
-
-    public Channel initUdpChannel() {
-        Channel channel = null;
-        Bootstrap bootstrap = new Bootstrap();
-        bootstrap.group(new NioEventLoopGroup())
-                .channel(NioDatagramChannel.class)
-                .option(ChannelOption.SO_BROADCAST, true)
-                .handler(new SimpleChannelInboundHandler<DatagramPacket>() {
-
-                    protected void channelRead0(ChannelHandlerContext var1,
-                            DatagramPacket dmsg) throws Exception {
-                        String msg = 
dmsg.content().toString(StandardCharsets.UTF_8);
-                        System.out.println("from server:" + msg);
-                    }
-                });
-        try {
-            channel = bootstrap.bind(0).sync().channel();
-        } catch (Exception e) {
-            logger.error("Connection has exception e = {}", e);
-        }
-        return channel;
-    }
-}
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/network/SequentialID.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/network/SequentialID.java
index f4a396b940..443732a80d 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/network/SequentialID.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/network/SequentialID.java
@@ -17,8 +17,6 @@
 
 package org.apache.inlong.sdk.dataproxy.network;
 
-import org.apache.inlong.sdk.dataproxy.utils.ProxyUtils;
-
 import java.security.SecureRandom;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -26,16 +24,11 @@ public class SequentialID {
 
     private static final SecureRandom sRandom = new SecureRandom(
             Long.toString(System.nanoTime()).getBytes());
-    private final String ip = ProxyUtils.getLocalIp();
     private final AtomicInteger id = new AtomicInteger(sRandom.nextInt());
 
     public SequentialID() {
     }
 
-    public String getNextId() {
-        return ip + "#" + id.incrementAndGet() + "#" + 
System.currentTimeMillis();
-    }
-
     public int getNextInt() {
         return id.incrementAndGet();
     }
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/sender/tcp/TcpMsgSenderConfig.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/sender/tcp/TcpMsgSenderConfig.java
index c30207347e..2fbeb0f8c5 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/sender/tcp/TcpMsgSenderConfig.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/sender/tcp/TcpMsgSenderConfig.java
@@ -68,11 +68,6 @@ public class TcpMsgSenderConfig extends ProxyClientConfig 
implements Cloneable {
     private int maxAllowedSyncMsgTimeoutCnt = 
SdkConsts.VAL_DEF_SYNC_MSG_TIMEOUT_CNT;
     // the synchronization message timeout check duration ms
     private long syncMsgTimeoutChkDurMs = 
SdkConsts.VAL_DEF_SYNC_TIMEOUT_CHK_DUR_MS;
-    // max sync send attempt
-    private int maxSyncSendAttempt = SdkConsts.DEFAULT_SENDER_MAX_ATTEMPT;
-
-    // async callback size
-    private int asyncCallbackSize = SdkConsts.ASYNC_CALLBACK_SIZE;
 
     public TcpMsgSenderConfig(boolean visitMgrByHttps,
             String managerIP, int managerPort, String groupId) throws 
ProxySdkException {
@@ -252,22 +247,6 @@ public class TcpMsgSenderConfig extends ProxyClientConfig 
implements Cloneable {
                 SdkConsts.VAL_MIN_SYNC_TIMEOUT_CHK_DUR_MS, 
syncMsgTimeoutChkDurMs);
     }
 
-    public int getMaxSyncSendAttempt() {
-        return maxSyncSendAttempt;
-    }
-
-    public void setMaxSyncSendAttempt(int maxSyncSendAttempt) {
-        this.maxSyncSendAttempt = maxSyncSendAttempt;
-    }
-
-    public int getTotalAsyncCallbackSize() {
-        return asyncCallbackSize;
-    }
-
-    public void setTotalAsyncCallbackSize(int asyncCallbackSize) {
-        this.asyncCallbackSize = asyncCallbackSize;
-    }
-
     @Override
     public boolean equals(Object o) {
         if (this == o)
@@ -293,9 +272,7 @@ public class TcpMsgSenderConfig extends ProxyClientConfig 
implements Cloneable {
                 && reconFailWaitMs == config.reconFailWaitMs
                 && maxAllowedSyncMsgTimeoutCnt == 
config.maxAllowedSyncMsgTimeoutCnt
                 && syncMsgTimeoutChkDurMs == config.syncMsgTimeoutChkDurMs
-                && sdkMsgType == config.sdkMsgType
-                && maxSyncSendAttempt == config.maxSyncSendAttempt
-                && asyncCallbackSize == config.asyncCallbackSize;
+                && sdkMsgType == config.sdkMsgType;
     }
 
     @Override
@@ -305,8 +282,7 @@ public class TcpMsgSenderConfig extends ProxyClientConfig 
implements Cloneable {
                 nettyWorkerThreadNum, rcvBufferSize, sendBufferSize, 
connectTimeoutMs,
                 requestTimeoutMs, conCloseWaitPeriodMs, maxMsgInFlightPerConn,
                 frozenReconnectWaitMs, busyReconnectWaitMs, reconFailWaitMs,
-                maxAllowedSyncMsgTimeoutCnt, maxSyncSendAttempt, 
syncMsgTimeoutChkDurMs,
-                asyncCallbackSize);
+                maxAllowedSyncMsgTimeoutCnt, syncMsgTimeoutChkDurMs);
     }
 
     @Override
@@ -342,9 +318,7 @@ public class TcpMsgSenderConfig extends ProxyClientConfig 
implements Cloneable {
                         .append(", 
busyReconnectWaitMs=").append(busyReconnectWaitMs)
                         .append(", reconFailWaitMs=").append(reconFailWaitMs)
                         .append(", 
maxAllowedSyncMsgTimeoutCnt=").append(maxAllowedSyncMsgTimeoutCnt)
-                        .append(", 
maxSyncSendAttempt=").append(maxSyncSendAttempt)
-                        .append(", 
syncMsgTimeoutChkDurMs=").append(syncMsgTimeoutChkDurMs)
-                        .append(", 
asyncCallbackSize=").append(asyncCallbackSize);
+                        .append(", 
syncMsgTimeoutChkDurMs=").append(syncMsgTimeoutChkDurMs);
         return super.getSetting(strBuff);
     }
 }
diff --git 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/utils/ProxyUtils.java
 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/utils/ProxyUtils.java
index cdcc5bc6c8..7aafca8237 100644
--- 
a/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/utils/ProxyUtils.java
+++ 
b/inlong-sdk/dataproxy-sdk/src/main/java/org/apache/inlong/sdk/dataproxy/utils/ProxyUtils.java
@@ -19,8 +19,6 @@ package org.apache.inlong.sdk.dataproxy.utils;
 
 import org.apache.inlong.common.msg.AttributeConstants;
 import org.apache.inlong.common.msg.MsgType;
-import org.apache.inlong.sdk.dataproxy.common.SdkConsts;
-import org.apache.inlong.sdk.dataproxy.sender.tcp.TcpMsgSenderConfig;
 
 import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
@@ -33,7 +31,6 @@ import java.net.InetAddress;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
@@ -182,120 +179,4 @@ public class ProxyUtils {
         }
         return validAttrsMap;
     }
-
-    public static boolean isAttrKeysValid(Map<String, String> attrsMap) {
-        if (attrsMap == null || attrsMap.size() == 0) {
-            return false;
-        }
-        for (String key : attrsMap.keySet()) {
-            if (SdkReservedWords.contains(key)) {
-                logger.error("the attributes is invalid ,please check ! {}", 
key);
-                return false;
-            }
-        }
-        return true;
-    }
-
-    public static boolean isDtValid(long dt) {
-        if (String.valueOf(dt).length() != TIME_LENGTH) {
-            logger.error("dt {} is error", dt);
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * check body valid
-     *
-     * @param body
-     * @return
-     */
-    public static boolean isBodyValid(byte[] body) {
-        if (body == null || body.length == 0) {
-            logger.error("body is error {}", body);
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * check body valid
-     *
-     * @param bodyList
-     * @return
-     */
-    public static boolean isBodyValid(List<byte[]> bodyList) {
-        if (bodyList == null || bodyList.size() == 0) {
-            logger.error("body  is error");
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Check if the body length exceeds the maximum limit, if the maximum 
limit is less than 0, it is not checked
-     * @param body
-     * @param maxLen
-     * @return
-     */
-    public static boolean isBodyLengthValid(byte[] body, int maxLen) {
-        // Not valid if the maximum limit is less than or equal to 0
-        if (maxLen < 0) {
-            return true;
-        }
-        // Reserve space for attribute
-        if (body.length > maxLen - SdkConsts.RESERVED_ATTRIBUTE_LENGTH) {
-            logger.debug("body length({}) > max length({}) - fixed attribute 
length({})",
-                    body.length, maxLen, SdkConsts.RESERVED_ATTRIBUTE_LENGTH);
-            return false;
-        }
-        return true;
-    }
-
-    /**
-     * Check if the total body length exceeds the maximum limit, if the 
maximum limit is less than 0, it is not checked
-     * @param bodyList
-     * @param maxLen
-     * @return
-     */
-    public static boolean isBodyLengthValid(List<byte[]> bodyList, int maxLen) 
{
-        // Not valid if the maximum limit is less than or equal to 0
-        if (maxLen < 0) {
-            return true;
-        }
-        int size = 0;
-        for (byte[] body : bodyList) {
-            size += body.length;
-        }
-        // Reserve space for attribute
-        if (size > maxLen - SdkConsts.RESERVED_ATTRIBUTE_LENGTH) {
-            logger.debug("bodyList length({}) > max length({}) - fixed 
attribute length({})",
-                    size, maxLen, SdkConsts.RESERVED_ATTRIBUTE_LENGTH);
-            return false;
-        }
-        return true;
-    }
-
-    public static long covertZeroDt(long dt) {
-        if (dt == 0) {
-            return System.currentTimeMillis();
-        }
-        return dt;
-    }
-
-    /**
-     * valid client config
-     *
-     * @param tcpConfig
-     */
-    public static void validClientConfig(TcpMsgSenderConfig tcpConfig) {
-        if (tcpConfig.isEnableMgrAuthz()) {
-            if (StringUtils.isBlank(tcpConfig.getMgrAuthSecretId())) {
-                throw new IllegalArgumentException("Authentication require 
secretId not Blank!");
-            }
-            if (StringUtils.isBlank(tcpConfig.getMgrAuthSecretKey())) {
-                throw new IllegalArgumentException("Authentication require 
secretKey not Blank!");
-            }
-        }
-    }
 }


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