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TDengine
TDengine
提交 7e02d5ef 编写于 作者: S Shuaiqiang Chang
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feat:taos-tools subscribe

上级 a0cc85bd
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Showing with 813 addition and 195 deletion
src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
浏览文件 @ 7e02d5ef
......@@ -143,7 +143,7 @@ JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_subscribeImp
* Signature: (J)Lcom/taosdata/jdbc/TSDBResultSetRowData;
*/
JNIEXPORT jobject JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_consumeImp
(JNIEnv *, jobject, jlong, jint);
(JNIEnv *, jobject, jlong);
/*
* Class: com_taosdata_jdbc_TSDBJNIConnector
......
src/client/src/TSDBJNIConnector.c
浏览文件 @ 7e02d5ef
......@@ -552,107 +552,20 @@ JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_subscribeImp(JNI
return sub;
}
static jobject convert_one_row(JNIEnv *env, TAOS_ROW row, TAOS_FIELD* fields, int num_fields) {
jobject rowobj = (*env)->NewObject(env, g_rowdataClass, g_rowdataConstructor, num_fields);
jniTrace("created a rowdata object, rowobj:%p", rowobj);
for (int i = 0; i < num_fields; i++) {
if (row[i] == NULL) {
continue;
}
switch (fields[i].type) {
case TSDB_DATA_TYPE_BOOL:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetBooleanFp, i, (jboolean)(*((char *)row[i]) == 1));
break;
case TSDB_DATA_TYPE_TINYINT:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetByteFp, i, (jbyte) * ((char *)row[i]));
break;
case TSDB_DATA_TYPE_SMALLINT:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetShortFp, i, (jshort) * ((short *)row[i]));
break;
case TSDB_DATA_TYPE_INT:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetIntFp, i, (jint) * (int *)row[i]);
break;
case TSDB_DATA_TYPE_BIGINT:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetLongFp, i, (jlong) * ((int64_t *)row[i]));
break;
case TSDB_DATA_TYPE_FLOAT: {
float fv = 0;
fv = GET_FLOAT_VAL(row[i]);
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetFloatFp, i, (jfloat)fv);
}
break;
case TSDB_DATA_TYPE_DOUBLE:{
double dv = 0;
dv = GET_DOUBLE_VAL(row[i]);
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetDoubleFp, i, (jdouble)dv);
}
break;
case TSDB_DATA_TYPE_BINARY: {
char tmp[TSDB_MAX_BYTES_PER_ROW] = {0};
strncpy(tmp, row[i], (size_t) fields[i].bytes); // handle the case that terminated does not exist
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetStringFp, i, (*env)->NewStringUTF(env, tmp));
memset(tmp, 0, (size_t) fields[i].bytes);
break;
}
case TSDB_DATA_TYPE_NCHAR:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetByteArrayFp, i,
jniFromNCharToByteArray(env, (char*)row[i], fields[i].bytes));
break;
case TSDB_DATA_TYPE_TIMESTAMP:
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetTimestampFp, i, (jlong) * ((int64_t *)row[i]));
break;
default:
break;
}
}
return rowobj;
}
JNIEXPORT jobject JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_consumeImp(JNIEnv *env, jobject jobj, jlong sub, jint timeout) {
JNIEXPORT jobject JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_consumeImp(JNIEnv *env, jobject jobj, jlong sub) {
jniTrace("jobj:%p, in TSDBJNIConnector_consumeImp, sub:%ld", jobj, sub);
jniGetGlobalMethod(env);
TAOS_SUB *tsub = (TAOS_SUB *)sub;
jobject rows = (*env)->NewObject(env, g_arrayListClass, g_arrayListConstructFp);
int64_t start = taosGetTimestampMs();
int count = 0;
while (true) {
TAOS_RES * res = taos_consume(tsub);
if (res == NULL) {
jniError("jobj:%p, tsub:%p, taos_consume returns NULL", jobj, tsub);
return NULL;
}
TAOS_FIELD *fields = taos_fetch_fields(res);
int num_fields = taos_num_fields(res);
while (true) {
TAOS_ROW row = taos_fetch_row(res);
if (row == NULL) {
break;
}
jobject rowobj = convert_one_row(env, row, fields, num_fields);
(*env)->CallBooleanMethod(env, rows, g_arrayListAddFp, rowobj);
count++;
}
TAOS_RES *res = taos_consume(tsub);
if (count > 0) {
break;
}
if (timeout == -1) {
continue;
}
if (((int)(taosGetTimestampMs() - start)) >= timeout) {
jniTrace("jobj:%p, sub:%ld, timeout", jobj, sub);
break;
}
if (res == NULL) {
jniError("jobj:%p, tsub:%p, taos_consume returns NULL", jobj, tsub);
return 0l;
}
return rows;
return res;
}
JNIEXPORT void JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_unsubscribeImp(JNIEnv *env, jobject jobj, jlong sub, jboolean keepProgress) {
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/DatabaseMetaDataResultSet.java
浏览文件 @ 7e02d5ef
......@@ -102,41 +102,49 @@ public class DatabaseMetaDataResultSet implements ResultSet {
@Override
public byte getByte(int columnIndex) throws SQLException {
columnIndex--;
return (byte) rowCursor.getInt(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public short getShort(int columnIndex) throws SQLException {
columnIndex--;
return (short) rowCursor.getInt(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public int getInt(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getInt(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public long getLong(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getLong(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public float getFloat(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getFloat(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public double getDouble(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getDouble(columnIndex, columnMetaDataList.get(columnIndex).getColType());
}
@Override
public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
columnIndex--;
return new BigDecimal(rowCursor.getDouble(columnIndex, columnMetaDataList.get(columnIndex).getColType()));
}
@Override
public byte[] getBytes(int columnIndex) throws SQLException {
columnIndex--;
return (rowCursor.getString(columnIndex, columnMetaDataList.get(columnIndex).getColType())).getBytes();
}
......@@ -152,6 +160,7 @@ public class DatabaseMetaDataResultSet implements ResultSet {
@Override
public Timestamp getTimestamp(int columnIndex) throws SQLException {
columnIndex--;
return rowCursor.getTimestamp(columnIndex);
}
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBConnection.java
浏览文件 @ 7e02d5ef
......@@ -84,6 +84,14 @@ public class TSDBConnection implements Connection {
}
}
public TSDBSubscribe createSubscribe() throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBSubscribe(this.connector);
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
public PreparedStatement prepareStatement(String sql) throws SQLException {
if (!this.connector.isClosed()) {
return new TSDBPreparedStatement(this.connector, sql);
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBJNIConnector.java
浏览文件 @ 7e02d5ef
......@@ -261,31 +261,31 @@ public class TSDBJNIConnector {
/**
* Subscribe to a table in TSDB
*/
public long subscribe(String host, String user, String password, String database, String table, long time, int period) {
return subscribeImp(host, user, password, database, table, time, period);
public long subscribe(String topic, String sql, boolean restart, int period) {
return subscribeImp(this.taos, restart, topic, sql, period);
}
private native long subscribeImp(String host, String user, String password, String database, String table, long time, int period);
public native long subscribeImp(long connection, boolean restart, String topic, String sql, int period);
/**
* Consume a subscribed table
*/
public TSDBResultSetRowData consume(long subscription) {
public long consume(long subscription) {
return this.consumeImp(subscription);
}
private native TSDBResultSetRowData consumeImp(long subscription);
private native long consumeImp(long subscription);
/**
* Unsubscribe a table
*
* @param subscription
*/
public void unsubscribe(long subscription) {
unsubscribeImp(subscription);
public void unsubscribe(long subscription, boolean isKeep) {
unsubscribeImp(subscription, isKeep);
}
private native void unsubscribeImp(long subscription);
private native void unsubscribeImp(long subscription, boolean isKeep);
/**
* Validate if a <I>create table</I> sql statement is correct without actually creating that table
......
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBResultSet.java
浏览文件 @ 7e02d5ef
......@@ -51,47 +51,47 @@ public class TSDBResultSet implements ResultSet {
private boolean lastWasNull = false;
private final int COLUMN_INDEX_START_VALUE = 1;
public TSDBJNIConnector getJniConnector() {
return jniConnector;
}
public TSDBJNIConnector getJniConnector() {
return jniConnector;
}
public void setJniConnector(TSDBJNIConnector jniConnector) {
this.jniConnector = jniConnector;
}
public void setJniConnector(TSDBJNIConnector jniConnector) {
this.jniConnector = jniConnector;
}
public long getResultSetPointer() {
return resultSetPointer;
}
public long getResultSetPointer() {
return resultSetPointer;
}
public void setResultSetPointer(long resultSetPointer) {
this.resultSetPointer = resultSetPointer;
}
public void setResultSetPointer(long resultSetPointer) {
this.resultSetPointer = resultSetPointer;
}
public List<ColumnMetaData> getColumnMetaDataList() {
return columnMetaDataList;
}
public List<ColumnMetaData> getColumnMetaDataList() {
return columnMetaDataList;
}
public void setColumnMetaDataList(List<ColumnMetaData> columnMetaDataList) {
this.columnMetaDataList = columnMetaDataList;
}
public void setColumnMetaDataList(List<ColumnMetaData> columnMetaDataList) {
this.columnMetaDataList = columnMetaDataList;
}
public TSDBResultSetRowData getRowData() {
return rowData;
}
public TSDBResultSetRowData getRowData() {
return rowData;
}
public void setRowData(TSDBResultSetRowData rowData) {
this.rowData = rowData;
}
public void setRowData(TSDBResultSetRowData rowData) {
this.rowData = rowData;
}
public boolean isLastWasNull() {
return lastWasNull;
}
public boolean isLastWasNull() {
return lastWasNull;
}
public void setLastWasNull(boolean lastWasNull) {
this.lastWasNull = lastWasNull;
}
public void setLastWasNull(boolean lastWasNull) {
this.lastWasNull = lastWasNull;
}
public TSDBResultSet() {
public TSDBResultSet() {
}
public TSDBResultSet(TSDBJNIConnector connecter, long resultSetPointer) throws SQLException {
......@@ -119,7 +119,7 @@ public class TSDBResultSet implements ResultSet {
public boolean next() throws SQLException {
if (rowData != null) {
this.rowData.clear();
this.rowData.clear();
}
int code = this.jniConnector.fetchRow(this.resultSetPointer, this.rowData);
......@@ -154,119 +154,119 @@ public class TSDBResultSet implements ResultSet {
public String getString(int columnIndex) throws SQLException {
String res = null;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getString(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getString(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public boolean getBoolean(int columnIndex) throws SQLException {
boolean res = false;
boolean res = false;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getBoolean(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
res = this.rowData.getBoolean(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public byte getByte(int columnIndex) throws SQLException {
byte res = 0;
byte res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = (byte) this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
res = (byte) this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public short getShort(int columnIndex) throws SQLException {
short res = 0;
short res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = (short) this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
res = (short) this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public int getInt(int columnIndex) throws SQLException {
int res = 0;
int res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
if (!lastWasNull) {
res = this.rowData.getInt(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public long getLong(int columnIndex) throws SQLException {
long res = 0l;
long res = 0l;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getLong(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
if (!lastWasNull) {
res = this.rowData.getLong(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public float getFloat(int columnIndex) throws SQLException {
float res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
float res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getFloat(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
if (!lastWasNull) {
res = this.rowData.getFloat(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
public double getDouble(int columnIndex) throws SQLException {
double res = 0;
double res = 0;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getDouble(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
if (!lastWasNull) {
res = this.rowData.getDouble(colIndex, this.columnMetaDataList.get(colIndex).getColType());
}
return res;
}
/*
* (non-Javadoc)
*
*
* @see java.sql.ResultSet#getBigDecimal(int, int)
*
*
* @deprecated Use {@code getBigDecimal(int columnIndex)} or {@code
* getBigDecimal(String columnLabel)}
*/
@Deprecated
public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
BigDecimal res = null;
BigDecimal res = null;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = new BigDecimal(this.rowData.getLong(colIndex, this.columnMetaDataList.get(colIndex).getColType()));
}
if (!lastWasNull) {
res = new BigDecimal(this.rowData.getLong(colIndex, this.columnMetaDataList.get(colIndex).getColType()));
}
return res;
}
public byte[] getBytes(int columnIndex) throws SQLException {
byte[] res = null;
byte[] res = null;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getString(colIndex, this.columnMetaDataList.get(colIndex).getColType()).getBytes();
}
if (!lastWasNull) {
res = this.rowData.getString(colIndex, this.columnMetaDataList.get(colIndex).getColType()).getBytes();
}
return res;
}
......@@ -281,13 +281,13 @@ public class TSDBResultSet implements ResultSet {
}
public Timestamp getTimestamp(int columnIndex) throws SQLException {
Timestamp res = null;
Timestamp res = null;
int colIndex = getTrueColumnIndex(columnIndex);
this.lastWasNull = this.rowData.wasNull(colIndex);
if (!lastWasNull) {
res = this.rowData.getTimestamp(colIndex);
}
if (!lastWasNull) {
res = this.rowData.getTimestamp(colIndex);
}
return res;
}
......@@ -297,9 +297,9 @@ public class TSDBResultSet implements ResultSet {
/*
* (non-Javadoc)
*
*
* @see java.sql.ResultSet#getUnicodeStream(int)
*
*
* * @deprecated use <code>getCharacterStream</code> in place of
* <code>getUnicodeStream</code>
*/
......@@ -409,13 +409,13 @@ public class TSDBResultSet implements ResultSet {
}
public int findColumn(String columnLabel) throws SQLException {
Iterator<ColumnMetaData> colMetaDataIt = this.columnMetaDataList.iterator();
while (colMetaDataIt.hasNext()) {
ColumnMetaData colMetaData = colMetaDataIt.next();
if (colMetaData.getColName() != null && colMetaData.getColName().equalsIgnoreCase(columnLabel)) {
return colMetaData.getColIndex() + 1;
}
}
Iterator<ColumnMetaData> colMetaDataIt = this.columnMetaDataList.iterator();
while (colMetaDataIt.hasNext()) {
ColumnMetaData colMetaData = colMetaDataIt.next();
if (colMetaData.getColName() != null && colMetaData.getColName().equalsIgnoreCase(columnLabel)) {
return colMetaData.getColIndex() + 1;
}
}
throw new SQLException(TSDBConstants.INVALID_VARIABLES);
}
......@@ -882,7 +882,7 @@ public class TSDBResultSet implements ResultSet {
}
public String getNString(int columnIndex) throws SQLException {
int colIndex = getTrueColumnIndex(columnIndex);
int colIndex = getTrueColumnIndex(columnIndex);
return (String) rowData.get(colIndex);
}
......@@ -1017,17 +1017,17 @@ public class TSDBResultSet implements ResultSet {
public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
throw new SQLException(TSDBConstants.UNSUPPORT_METHOD_EXCEPTIONZ_MSG);
}
private int getTrueColumnIndex(int columnIndex) throws SQLException {
if (columnIndex < this.COLUMN_INDEX_START_VALUE) {
throw new SQLException("Column Index out of range, " + columnIndex + " < " + this.COLUMN_INDEX_START_VALUE);
}
int numOfCols = this.columnMetaDataList.size();
if (columnIndex > numOfCols) {
throw new SQLException("Column Index out of range, " + columnIndex + " > " + numOfCols);
}
return columnIndex - 1;
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBSubscribe.java 0 → 100644
浏览文件 @ 7e02d5ef
/***************************************************************************
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
package com.taosdata.jdbc;
import javax.management.OperationsException;
import java.sql.SQLException;
import java.util.Map;
import java.util.TimerTask;
import java.util.concurrent.*;
public class TSDBSubscribe {
private TSDBJNIConnector connecter = null;
private static ScheduledExecutorService pool;
private static Map<Long, TSDBTimerTask> timerTaskMap = new ConcurrentHashMap<>();
private static Map<Long, ScheduledFuture> scheduledMap = new ConcurrentHashMap();
private static class TimerInstance {
private static final ScheduledExecutorService instance = Executors.newScheduledThreadPool(1);
}
public static ScheduledExecutorService getTimerInstance() {
return TimerInstance.instance;
}
public TSDBSubscribe(TSDBJNIConnector connecter) throws SQLException {
if (null != connecter) {
this.connecter = connecter;
} else {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
}
/**
* sync subscribe
*
* @param topic
* @param sql
* @param restart
* @param period
* @throws SQLException
*/
public long subscribe(String topic, String sql, boolean restart, int period) throws SQLException {
if (this.connecter.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
if (period < 1000) {
throw new SQLException(TSDBConstants.WrapErrMsg(TSDBConstants.INVALID_VARIABLES));
}
return this.connecter.subscribe(topic, sql, restart, period);
}
/**
* async subscribe
*
* @param topic
* @param sql
* @param restart
* @param period
* @param callBack
* @throws SQLException
*/
public long subscribe(String topic, String sql, boolean restart, int period, TSDBSubscribeCallBack callBack) throws SQLException {
if (this.connecter.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
final long subscription = this.connecter.subscribe(topic, sql, restart, period);
if (null != callBack) {
pool = getTimerInstance();
TSDBTimerTask timerTask = new TSDBTimerTask(subscription, callBack);
timerTaskMap.put(subscription, timerTask);
ScheduledFuture scheduledFuture = pool.scheduleAtFixedRate(timerTask, 1, 1000, TimeUnit.MILLISECONDS);
scheduledMap.put(subscription, scheduledFuture);
}
return subscription;
}
public TSDBResultSet consume(long subscription) throws OperationsException, SQLException {
if (this.connecter.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
if (0 == subscription) {
throw new OperationsException("Invalid use of consume");
}
long resultSetPointer = this.connecter.consume(subscription);
if (resultSetPointer == TSDBConstants.JNI_CONNECTION_NULL) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
} else if (resultSetPointer == TSDBConstants.JNI_NULL_POINTER) {
return null;
} else {
return new TSDBResultSet(this.connecter, resultSetPointer);
}
}
/**
* cancel subscribe
*
* @param subscription
* @param isKeep
* @throws SQLException
*/
public void unsubscribe(long subscription, boolean isKeep) throws SQLException {
if (this.connecter.isClosed()) {
throw new SQLException(TSDBConstants.FixErrMsg(TSDBConstants.JNI_CONNECTION_NULL));
}
if (null != timerTaskMap.get(subscription)) {
synchronized (timerTaskMap.get(subscription)) {
while (1 == timerTaskMap.get(subscription).getState()) {
try {
Thread.sleep(10);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
timerTaskMap.get(subscription).setState(2);
if (!timerTaskMap.isEmpty() && timerTaskMap.containsKey(subscription)) {
timerTaskMap.get(subscription).cancel();
timerTaskMap.remove(subscription);
scheduledMap.get(subscription).cancel(false);
scheduledMap.remove(subscription);
}
this.connecter.unsubscribe(subscription, isKeep);
}
} else {
this.connecter.unsubscribe(subscription, isKeep);
}
}
class TSDBTimerTask extends TimerTask {
private long subscription;
private TSDBSubscribeCallBack callBack;
// 0: not running 1: running 2: cancel
private int state = 0;
public TSDBTimerTask(long subscription, TSDBSubscribeCallBack callBack) {
this.subscription = subscription;
this.callBack = callBack;
}
public int getState() {
return this.state;
}
public void setState(int state) {
this.state = state;
}
@Override
public void run() {
synchronized (this) {
if (2 == state) {
return;
}
state = 1;
try {
TSDBResultSet resultSet = consume(subscription);
callBack.invoke(resultSet);
} catch (Exception e) {
this.cancel();
throw new RuntimeException(e);
}
state = 0;
}
}
}
}
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBSubscribeCallBack.java 0 → 100644
浏览文件 @ 7e02d5ef
/***************************************************************************
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
package com.taosdata.jdbc;
public interface TSDBSubscribeCallBack {
void invoke(TSDBResultSet resultSet);
}
src/connector/jdbc/src/test/java/TestAsyncTSDBSubscribe.java 0 → 100644
浏览文件 @ 7e02d5ef
import com.taosdata.jdbc.*;
import org.apache.commons.lang3.StringUtils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;
public class TestAsyncTSDBSubscribe {
public static void main(String[] args) {
String usage = "java -cp taos-jdbcdriver-1.0.3_dev-dist.jar com.taosdata.jdbc.TSDBSubscribe -db dbName -topic topicName " +
"-tname tableName -h host";
if (args.length < 2) {
System.err.println(usage);
return;
}
String dbName = "";
String tName = "";
String host = "localhost";
String topic = "";
for (int i = 0; i < args.length; i++) {
if ("-db".equalsIgnoreCase(args[i]) && i < args.length - 1) {
dbName = args[++i];
}
if ("-tname".equalsIgnoreCase(args[i]) && i < args.length - 1) {
tName = args[++i];
}
if ("-h".equalsIgnoreCase(args[i]) && i < args.length - 1) {
host = args[++i];
}
if ("-topic".equalsIgnoreCase(args[i]) && i < args.length - 1) {
topic = args[++i];
}
}
if (StringUtils.isEmpty(dbName) || StringUtils.isEmpty(tName) || StringUtils.isEmpty(topic)) {
System.err.println(usage);
return;
}
Connection connection = null;
TSDBSubscribe subscribe = null;
long subscribId = 0;
try {
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/" + dbName + "?user=root&password=taosdata", properties);
String rawSql = "select * from " + tName + ";";
subscribe = ((TSDBConnection) connection).createSubscribe();
subscribId = subscribe.subscribe(topic, rawSql, false, 1000, new CallBack("first"));
long subscribId2 = subscribe.subscribe("test", rawSql, false, 1000, new CallBack("second"));
int a = 0;
Thread.sleep(2000);
subscribe.unsubscribe(subscribId, true);
System.err.println("cancel subscribe");
} catch (Exception e) {
e.printStackTrace();
}
}
private static class CallBack implements TSDBSubscribeCallBack {
private String name = "";
public CallBack(String name) {
this.name = name;
}
@Override
public void invoke(TSDBResultSet resultSet) {
try {
while (null !=resultSet && resultSet.next()) {
System.out.print("callback_" + name + ": ");
for (int i = 1; i <= resultSet.getMetaData().getColumnCount(); i++) {
System.out.printf(i + ": " + resultSet.getString(i) + "\t");
}
System.out.println();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
src/connector/jdbc/src/test/java/TestPreparedStatement.java
浏览文件 @ 7e02d5ef
......@@ -10,9 +10,9 @@ public class TestPreparedStatement {
try {
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, "192.168.1.117");
Connection connection = DriverManager.getConnection("jdbc:TAOS://192.168.1.117:0/?user=root&password=taosdata", properties);
String rawSql = "SELECT ts, c1 FROM (select c1, ts from db.tb1) SUB_QRY";
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, "localhost");
Connection connection = DriverManager.getConnection("jdbc:TAOS://localhost:0/?user=root&password=taosdata", properties);
String rawSql = "select * from test.log0601";
// String[] params = new String[]{"ts", "c1"};
PreparedStatement pstmt = (TSDBPreparedStatement) connection.prepareStatement(rawSql);
ResultSet resSet = pstmt.executeQuery();
......
src/connector/jdbc/src/test/java/TestTSDBSubscribe.java 0 → 100644
浏览文件 @ 7e02d5ef
import com.taosdata.jdbc.TSDBConnection;
import com.taosdata.jdbc.TSDBDriver;
import com.taosdata.jdbc.TSDBResultSet;
import com.taosdata.jdbc.TSDBSubscribe;
import org.apache.commons.lang3.StringUtils;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.Properties;
public class TestTSDBSubscribe {
public static void main(String[] args) throws Exception {
String usage = "java -cp taos-jdbcdriver-1.0.3_dev-dist.jar com.taosdata.jdbc.TSDBSubscribe -db dbName " +
"-topic topicName -tname tableName -h host";
if (args.length < 2) {
System.err.println(usage);
return;
}
String dbName = "";
String tName = "";
String host = "localhost";
String topic = "";
for (int i = 0; i < args.length; i++) {
if ("-db".equalsIgnoreCase(args[i]) && i < args.length - 1) {
dbName = args[++i];
}
if ("-tname".equalsIgnoreCase(args[i]) && i < args.length - 1) {
tName = args[++i];
}
if ("-h".equalsIgnoreCase(args[i]) && i < args.length - 1) {
host = args[++i];
}
if ("-topic".equalsIgnoreCase(args[i]) && i < args.length - 1) {
topic = args[++i];
}
}
if (StringUtils.isEmpty(dbName) || StringUtils.isEmpty(tName) || StringUtils.isEmpty(topic)) {
System.err.println(usage);
return;
}
Connection connection = null;
TSDBSubscribe subscribe = null;
long subscribId = 0;
try {
Class.forName("com.taosdata.jdbc.TSDBDriver");
Properties properties = new Properties();
properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/" + dbName + "?user=root&password=taosdata"
, properties);
String rawSql = "select * from " + tName + ";";
subscribe = ((TSDBConnection) connection).createSubscribe();
subscribId = subscribe.subscribe(topic, rawSql, false, 1000);
int a = 0;
while (true) {
Thread.sleep(900);
TSDBResultSet resSet = subscribe.consume(subscribId);
while (resSet.next()) {
for (int i = 1; i <= resSet.getMetaData().getColumnCount(); i++) {
System.out.printf(i + ": " + resSet.getString(i) + "\t");
}
System.out.println("\n======" + a + "==========");
}
a++;
if (a >= 10) {
break;
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (null != subscribe && 0 != subscribId) {
subscribe.unsubscribe(subscribId, true);
}
if (null != connection) {
connection.close();
}
}
}
}
src/kit/taosnetwork/client.c 0 → 100644
浏览文件 @ 7e02d5ef
#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define BUFFER_SIZE 200
typedef struct {
int port;
char *host[15];
} info;
void *checkPort(void *sarg) {
info *pinfo = (info *)sarg;
int port = pinfo->port;
char *host = *pinfo->host;
int clientSocket;
struct sockaddr_in serverAddr;
char sendbuf[BUFFER_SIZE];
char recvbuf[BUFFER_SIZE];
int iDataNum;
if ((clientSocket = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
perror("socket");
return NULL;
}
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(port);
serverAddr.sin_addr.s_addr = inet_addr(host);
printf("=================================\n");
if (connect(clientSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0) {
perror("connect");
return NULL;
}
printf("Connect to: %s:%d...success\n", host, port);
sprintf(sendbuf, "send port_%d", port);
send(clientSocket, sendbuf, strlen(sendbuf), 0);
printf("Send msg_%d: %s\n", port, sendbuf);
recvbuf[0] = '\0';
iDataNum = recv(clientSocket, recvbuf, BUFFER_SIZE, 0);
recvbuf[iDataNum] = '\0';
printf("Read ack msg_%d: %s\n", port, recvbuf);
printf("=================================\n");
close(clientSocket);
return NULL;
}
void *checkUPort(void *sarg) {
info *pinfo = (info *)sarg;
int port = pinfo->port;
char *host = *pinfo->host;
int clientSocket;
struct sockaddr_in serverAddr;
char sendbuf[BUFFER_SIZE];
char recvbuf[BUFFER_SIZE];
int iDataNum;
if ((clientSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
perror("socket");
return NULL;
}
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(port);
serverAddr.sin_addr.s_addr = inet_addr(host);
printf("=================================\n");
// if (connect(clientSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0) {
// perror("connect");
// return NULL;
// }
// printf("Connect to: %s:%d...success\n", host, port);
sprintf(sendbuf, "send msg port_%d by udp", port);
socklen_t sin_size = sizeof(*(struct sockaddr*)&serverAddr);
sendto(clientSocket, sendbuf, strlen(sendbuf), 0, (struct sockaddr *)&serverAddr, (int)sin_size);
printf("Send msg_%d by udp: %s\n", port, sendbuf);
recvbuf[0] = '\0';
iDataNum = recvfrom(clientSocket, recvbuf, BUFFER_SIZE, 0, (struct sockaddr *)&serverAddr, &sin_size);
recvbuf[iDataNum] = '\0';
printf("Read ack msg_%d from udp: %s\n", port, recvbuf);
printf("=================================\n");
close(clientSocket);
return NULL;
}
int main() {
int port = 6020;
char *host = "127.0.0.1";
info *infos = malloc(10 * sizeof(info));
info *uinfos = malloc(10 * sizeof(info));
for (size_t i = 0; i < 10; i++) {
port++;
printf("For test: %s:%d\n", host, port);
info *pinfo = infos++;
*pinfo->host = host;
pinfo->port = port;
checkPort(pinfo);
info *uinfo = uinfos++;
*uinfo->host = host;
uinfo->port = port;
checkUPort(uinfo);
}
}
\ No newline at end of file
src/kit/taosnetwork/server.c 0 → 100644
浏览文件 @ 7e02d5ef
#include <arpa/inet.h>
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#define BUFFER_SIZE 200
typedef struct {
int port;
int type; // 0: tcp, 1: udo, default: 0
} info;
static void *bindPort(void *sarg) {
info *pinfo = (info *)sarg;
int port = pinfo->port;
int type = pinfo->type;
int serverSocket;
struct sockaddr_in server_addr;
struct sockaddr_in clientAddr;
int addr_len = sizeof(clientAddr);
int client;
char buffer[BUFFER_SIZE];
int iDataNum;
if ((serverSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
perror("socket");
return NULL;
}
bzero(&server_addr, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(port);
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(serverSocket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
perror("connect");
return NULL;
}
if (listen(serverSocket, 5) < 0) {
perror("listen");
return NULL;
}
printf("Bind port: %d success\n", port);
while (1) {
client = accept(serverSocket, (struct sockaddr *)&clientAddr, (socklen_t *)&addr_len);
if (client < 0) {
perror("accept");
continue;
}
printf("=================================\n");
printf("Client ip is %s, Server port is %d\n", inet_ntoa(clientAddr.sin_addr), port);
while (1) {
buffer[0] = '\0';
iDataNum = recv(client, buffer, BUFFER_SIZE, 0);
if (iDataNum < 0) {
perror("recv null");
continue;
}
if (iDataNum > 0) {
buffer[iDataNum] = '\0';
printf("read msg:%s\n", buffer);
if (strcmp(buffer, "quit") == 0) break;
buffer[0] = '\0';
sprintf(buffer, "ack port_%d", port);
printf("send ack msg:%s\n", buffer);
send(client, buffer, strlen(buffer), 0);
break;
}
}
printf("=================================\n");
}
close(serverSocket);
return NULL;
}
static void *bindUPort(void *sarg) {
info *pinfo = (info *)sarg;
int port = pinfo->port;
int type = pinfo->type;
int serverSocket;
struct sockaddr_in server_addr;
struct sockaddr_in clientAddr;
int addr_len = sizeof(clientAddr);
int client;
char buffer[BUFFER_SIZE];
int iDataNum;
if ((serverSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
perror("socket");
return NULL;
}
bzero(&server_addr, sizeof(server_addr));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(port);
server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
if (bind(serverSocket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
perror("connect");
return NULL;
}
socklen_t sin_size;
printf("Bind port: %d success\n", port);
while (1) {
buffer[0] = '\0';
sin_size = sizeof(*(struct sockaddr *)&server_addr);
iDataNum = recvfrom(serverSocket, buffer, BUFFER_SIZE, 0, (struct sockaddr *)&clientAddr, &sin_size);
if (iDataNum < 0) {
perror("recvfrom null");
continue;
}
if (iDataNum > 0) {
printf("=================================\n");
printf("Client ip is %s, Server port is %d\n", inet_ntoa(clientAddr.sin_addr), port);
buffer[iDataNum] = '\0';
printf("Read msg from udp:%s\n", buffer);
if (strcmp(buffer, "quit") == 0) break;
buffer[0] = '\0';
sprintf(buffer, "ack port_%d by udp", port);
printf("Send ack msg by udp:%s\n", buffer);
sendto(serverSocket, buffer, strlen(buffer), 0, (struct sockaddr *)&clientAddr, (int)sin_size);
send(client, buffer, strlen(buffer), 0);
printf("=================================\n");
}
}
close(serverSocket);
return NULL;
}
int main() {
int port = 6020;
pthread_t *pids = malloc(20 * sizeof(pthread_t));
info * infos = malloc(10 * sizeof(info));
info * uinfos = malloc(10 * sizeof(info));
for (size_t i = 0; i < 10; i++) {
port++;
info *pinfo = infos++;
pinfo->port = port;
if (pthread_create(pids + i, NULL, bindPort, pinfo) != 0) //创建线程
{ //创建线程失败
printf("创建线程失败: %d.\n", port);
exit(0);
}
info *uinfo = uinfos++;
uinfo->port = port;
uinfo->type = 1;
if (pthread_create(pids + 10 + i, NULL, bindUPort, uinfo) != 0) //创建线程
{ //创建线程失败
printf("创建线程失败: %d.\n", port);
exit(0);
}
}
for (int i = 0; i < 10; i++) {
pthread_join(pids[i], NULL);
pthread_join(pids[(10 + i)], NULL);
}
}
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