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scouter.agent.trace.TraceSQL Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed 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 scouter.agent.trace;
import scouter.agent.Configure;
import scouter.agent.Logger;
import scouter.agent.counter.meter.MeterSQL;
import scouter.agent.error.CONNECTION_OPEN_FAIL;
import scouter.agent.error.SLOW_SQL;
import scouter.agent.error.TOO_MANY_RECORDS;
import scouter.agent.netio.data.DataProxy;
import scouter.agent.plugin.PluginJdbcPoolTrace;
import scouter.agent.summary.ServiceSummary;
import scouter.jdbc.DetectConnection;
import scouter.jdbc.WrConnection;
import scouter.lang.AlertLevel;
import scouter.lang.step.*;
import scouter.util.*;
import java.lang.reflect.Method;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
/**
* Trace SQL
* @author @author Paul S.J. Kim([email protected] )
* @author Gun Lee ([email protected] )
* @author Eunsu Kim
*/
public class TraceSQL {
private static Configure conf = Configure.getInstance();
public final static int MAX_STRING = 20;
// JDBC_REDEFINED==false
public final static String PSTMT_PARAM_FIELD = "_param_";
private static int RESULT_SET_FETCH = 0;
private static IntLinkedSet noLiteralSql = new IntLinkedSet().setMax(10000);
private static IntKeyLinkedMap checkedSql = new IntKeyLinkedMap().setMax(1001);
private static SQLException slowSqlException = new SLOW_SQL("Slow SQL", "SLOW_SQL");
private static SQLException tooManyRecordException = new TOO_MANY_RECORDS("TOO_MANY_RECORDS", "TOO_MANY_RECORDS");
private static SQLException connectionOpenFailException = new CONNECTION_OPEN_FAIL("CONNECTION_OPEN_FAIL", "CONNECTION_OPEN_FAIL");
static IntKeyLinkedMap urlTable = new IntKeyLinkedMap().setMax(500);
static DBURL unknown = new DBURL(0, null);
public static void set(int idx, boolean p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.put(idx, Boolean.toString(p));
}
}
public static void set(int idx, int p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.put(idx, Integer.toString(p));
}
}
public static void set(int idx, float p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.put(idx, Float.toString(p));
}
}
public static void set(int idx, long p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.put(idx, Long.toString(p));
}
}
public static void set(int idx, double p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.put(idx, Double.toString(p));
}
}
public static void set(int idx, String p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if (p == null) {
ctx.sql.put(idx, "null");
} else {
p = StringUtil.truncate(p, MAX_STRING);
ctx.sql.put(idx, "'" + p + "'");
}
}
}
public static void set(int idx, Object p) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if (p == null) {
ctx.sql.put(idx, "null");
} else {
String s = StringUtil.truncate(p.toString(), MAX_STRING);
ctx.sql.put(idx, s);
}
}
}
public static void clear(Object o) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.clear();
}
}
public static Object start(Object o) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null) {
return null;
}
SqlStep3 step = new SqlStep3();
step.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
if (ctx.profile_thread_cputime) {
step.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - ctx.startCpu);
}
step.xtype = SqlXType.DYNA;
ctx.sqlActiveArgs = ctx.sql;
String sql = "unknown";
sql = ctx.sql.getSql();
sql = escapeLiteral(sql, step);
step.param = ctx.sql.toString(step.param);
if (sql != null) {
step.hash = DataProxy.sendSqlText(sql);
}
ctx.profile.push(step);
ctx.sqltext = sql;
return new LocalContext(ctx, step);
}
public static Object start(Object o, String sql, byte methodType) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null) {
if (conf._log_background_sql) {
Logger.println("background: " + sql);
}
return null;
}
// to debug
if (conf._profile_fullstack_sql_connection_enabled && ctx.debug_sql_call == false) {
ctx.debug_sql_call = true;
StringBuffer sb = new StringBuffer();
if (o instanceof Statement) {
try {
Connection c = ((Statement) o).getConnection();
sb.append("Connection = ").append(c.getClass().getName()).append("\n");
sb.append(" ").append(c).append("\n");
sb.append(" AutoCommit =").append(c.getAutoCommit()).append("\n");
} catch (Exception e) {
sb.append(e).append("\n");
}
}
sb.append(ThreadUtil.getThreadStack());
ctx.profile.add(new MessageStep((int) (System.currentTimeMillis() - ctx.startTime), sb.toString()));
}
// Looking for the position of calling SQL COMMIT
if (conf.profile_fullstack_sql_commit_enabled) {
if ("commit".equalsIgnoreCase(sql)) {
ctx.profile.add(new MessageStep((int) (System.currentTimeMillis() - ctx.startTime),
ThreadUtil.getThreadStack()));
}
}
SqlStep3 step = new SqlStep3();
step.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
if (ctx.profile_thread_cputime) {
step.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - ctx.startCpu);
}
if (sql == null) {
sql = "unknown";
} else {
sql = escapeLiteral(sql, step);
}
step.hash = DataProxy.sendSqlText(sql);
step.xtype =(byte)(SqlXType.STMT | methodType);
ctx.profile.push(step);
ctx.sqltext = sql;
return new LocalContext(ctx, step);
}
private static class ParsedSql {
public ParsedSql(String sql, String param) {
this.sql = sql;
this.param = param;
}
String sql;
String param;
}
private static String escapeLiteral(String sql, SqlStep3 step) {
if (conf.profile_sql_escape_enabled == false)
return sql;
try {
int sqlHash = sql.hashCode();
if (noLiteralSql.contains(sqlHash)) {
return sql;
}
ParsedSql psql = checkedSql.get(sqlHash);
if (psql != null) {
step.param = psql.param;
return psql.sql;
}
EscapeLiteralSQL els = new EscapeLiteralSQL(sql);
els.process();
String parsed = els.getParsedSql();
if (parsed.hashCode() == sqlHash) {
noLiteralSql.put(sqlHash);
} else {
psql = new ParsedSql(parsed, els.getParameter());
checkedSql.put(sqlHash, psql);
step.param = psql.param;
}
return parsed;
} catch (Throwable t) {
Logger.println("B102", "fail to escape literal", t);
return sql;
}
}
public static void end(Object stat, Throwable thr, int updatedCount) {
if (stat == null) {
if (conf._log_background_sql && thr != null) {
Logger.println("BG-SQL:" + thr);
}
return;
}
LocalContext lCtx = (LocalContext) stat;
TraceContext tCtx = lCtx.context;
//Logger.trace("affected row = " + updatedCount);
SqlStep3 step = (SqlStep3) lCtx.stepSingle;
tCtx.lastSqlStep = step;
step.elapsed = (int) (System.currentTimeMillis() - tCtx.startTime) - step.start_time;
step.updated = updatedCount;
if (tCtx.profile_thread_cputime) {
step.cputime = (int) (SysJMX.getCurrentThreadCPU() - tCtx.startCpu) - step.start_cpu;
}
if (thr != null) {
String msg = thr.toString();
if (conf.profile_fullstack_sql_error_enabled) {
StringBuffer sb = new StringBuffer();
sb.append(msg).append("\n");
ThreadUtil.getStackTrace(sb, thr, conf.profile_fullstack_max_lines);
thr = thr.getCause();
while (thr != null) {
sb.append("\nCause...\n");
ThreadUtil.getStackTrace(sb, thr, conf.profile_fullstack_max_lines);
thr = thr.getCause();
}
msg = sb.toString();
}
int hash = DataProxy.sendError(msg);
if (tCtx.error == 0 && conf.xlog_error_on_sqlexception_enabled) {
tCtx.error = hash;
}
step.error = hash;
ServiceSummary.getInstance().process(thr, hash, tCtx.serviceHash, tCtx.txid, step.hash, 0);
} else if (step.elapsed > conf.xlog_error_sql_time_max_ms) {
String msg = "warning slow sql, over " + conf.xlog_error_sql_time_max_ms + " ms";
int hash = DataProxy.sendError(msg);
if (tCtx.error == 0) {
tCtx.error = hash;
}
ServiceSummary.getInstance().process(slowSqlException, hash, tCtx.serviceHash, tCtx.txid, step.hash, 0);
}
tCtx.sqltext = null;
tCtx.sqlActiveArgs = null;
tCtx.sqlCount++;
tCtx.sqlTime += step.elapsed;
ServiceSummary.getInstance().process(step);
MeterSQL.getInstance().add(step.elapsed, step.error != 0);
tCtx.profile.pop(step);
}
public static void prepare(Object o, String sql) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ctx.sql.clear();
ctx.sql.setSql(sql);
}
}
public static boolean rsnext(boolean b) {
TraceContext c = TraceContextManager.getContext();
if (c != null) {
if (b) {
if (c.rs_start == 0) {
c.rs_start = System.currentTimeMillis();
}
c.rs_count++;
}
}
return b;
}
private static void fetch(TraceContext c) {
HashedMessageStep p = new HashedMessageStep();
long time = System.currentTimeMillis() - c.rs_start;
p.start_time = (int) (System.currentTimeMillis() - c.startTime);
if (c.profile_thread_cputime) {
p.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - c.startCpu);
}
if (RESULT_SET_FETCH == 0) {
RESULT_SET_FETCH = DataProxy.sendHashedMessage("RESULT-SET-FETCH");
}
p.hash = RESULT_SET_FETCH;
p.value = c.rs_count;
p.time = (int) time;
c.profile.add(p);
if (c.rs_count > conf.xlog_error_jdbc_fetch_max) {
String msg = "warning too many resultset, over #" + conf.xlog_error_jdbc_fetch_max;
int hash = DataProxy.sendError(msg);
if (c.error == 0) {
c.error = hash;
}
ServiceSummary.getInstance().process(tooManyRecordException, hash, c.serviceHash, c.txid, 0, 0);
}
}
public static void stmtInit(Object stmt) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if(conf.trace_stmt_leak_enabled) {
if(conf.profile_fullstack_stmt_leak_enabled) {
ctx.unclosedStmtMap.put(System.identityHashCode(stmt), ThreadUtil.getStackTrace(Thread.currentThread().getStackTrace(), 2));
} else {
ctx.unclosedStmtMap.put(System.identityHashCode(stmt), "");
}
}
}
}
public static void stmtClose(Object stmt) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if(conf.trace_stmt_leak_enabled) {
ctx.unclosedStmtMap.remove(System.identityHashCode(stmt));
}
}
}
public static void rsInit(Object rs) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if(conf.trace_rs_leak_enabled) {
if(conf.profile_fullstack_rs_leak_enabled) {
ctx.unclosedRsMap.put(System.identityHashCode(rs), ThreadUtil.getStackTrace(Thread.currentThread().getStackTrace(), 2));
} else {
ctx.unclosedRsMap.put(System.identityHashCode(rs), "");
}
}
}
}
public static void rsclose(Object rs) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
if (ctx.rs_start != 0) {
if(conf.trace_rs_leak_enabled) {
ctx.unclosedRsMap.remove(System.identityHashCode(rs));
}
fetch(ctx);
}
ctx.rs_start = 0;
ctx.rs_count = 0;
}
}
public static void set(SqlParameter args, int idx, boolean p) {
if (args != null) {
args.put(idx, Boolean.toString(p));
}
}
public static void set(SqlParameter args, int idx, int p) {
if (args != null) {
args.put(idx, Integer.toString(p));
}
}
public static void set(SqlParameter args, int idx, float p) {
if (args != null) {
args.put(idx, Float.toString(p));
}
}
public static void set(SqlParameter args, int idx, long p) {
if (args != null) {
args.put(idx, Long.toString(p));
}
}
public static void set(SqlParameter args, int idx, double p) {
if (args != null) {
args.put(idx, Double.toString(p));
}
}
public static void set(SqlParameter args, int idx, String p) {
if (args != null) {
if (p == null) {
args.put(idx, "null");
} else {
if (p.length() > MAX_STRING) {
p = p.substring(0, MAX_STRING);
}
args.put(idx, "'" + p + "'");
}
}
}
public static void set(SqlParameter args, int idx, Object p) {
if (args != null) {
if (p == null) {
args.put(idx, "null");
} else {
String s = p.toString();
if (s.length() > MAX_STRING) {
s = s.substring(0, MAX_STRING);
}
args.put(idx, s);
}
}
}
public static void clear(Object o, SqlParameter args) {
if (args != null) {
args.clear();
}
}
public static Object start(Object o, SqlParameter args, byte methodType) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null) {
if (conf._log_background_sql && args != null) {
Logger.println("background: " + args.getSql());
}
return null;
}
// to debug
if (conf._profile_fullstack_sql_connection_enabled && ctx.debug_sql_call == false) {
ctx.debug_sql_call = true;
StringBuffer sb = new StringBuffer();
if (o instanceof Statement) {
try {
Connection c = ((Statement) o).getConnection();
sb.append(c).append("\n");
sb.append("Connection = ").append(c.getClass().getName()).append("\n");
sb.append("AutoCommit = ").append(c.getAutoCommit()).append("\n");
} catch (Exception e) {
sb.append(e).append("\n");
}
}
sb.append(ThreadUtil.getThreadStack());
ctx.profile.add(new MessageStep((int) (System.currentTimeMillis() - ctx.startTime), sb.toString()));
}
// Looking for the position of calling SQL COMMIT
if (conf.profile_fullstack_sql_commit_enabled) {
if ("commit".equalsIgnoreCase(args.getSql())) {
ctx.profile.add(new MessageStep((int) (System.currentTimeMillis() - ctx.startTime),
ThreadUtil.getThreadStack()));
}
}
SqlStep3 step = new SqlStep3();
step.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
if (ctx.profile_thread_cputime) {
step.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - ctx.startCpu);
}
ctx.sqlActiveArgs = args;
String sql = "unknown";
if (args != null) {
sql = args.getSql();
sql = escapeLiteral(sql, step);
step.param = args.toString(step.param);
}
if (sql != null) {
step.hash = DataProxy.sendSqlText(sql);
}
step.xtype =(byte)(SqlXType.PREPARED | methodType);
ctx.profile.push(step);
ctx.sqltext = sql;
return new LocalContext(ctx, step);
}
public static void prepare(Object o, SqlParameter args, String sql) {
if (args != null) {
args.setSql(sql);
}
// @skyworker : debug code 2015.09.18
// TraceContext ctx = TraceContextManager.getLocalContext();
// if (ctx != null) {
// MessageStep m = new MessageStep();
// m.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
// m.message =
// ThreadUtil.getStackTrace(Thread.currentThread().getStackTrace());
// ctx.profile.add(m);
// }
}
public static Connection driverConnect(Connection conn, String url) {
if (conn == null)
return conn;
if (conf.trace_db2_enabled == false)
return conn;
if (conn instanceof WrConnection)
return conn;
return new WrConnection(conn);
}
public static void driverConnect(String url, Throwable thr) {
AlertProxy.sendAlert(AlertLevel.ERROR, "CONNECT", url + " " + thr);
TraceContext ctx = TraceContextManager.getContext();
if (ctx != null) {
ServiceSummary.getInstance().process(connectionOpenFailException, 0, ctx.serviceHash, ctx.txid, 0, 0);
}
}
public static void userTxOpen() {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null)
return;
ctx.userTransaction++;
MessageStep ms = new MessageStep("utx-begin");
ms.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
ctx.profile.add(ms);
}
public static void userTxClose(String method) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null)
return;
if (ctx.userTransaction > 0) {
ctx.userTransaction--;
}
MessageStep ms = new MessageStep("utx-" + method);
ms.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
ctx.profile.add(ms);
}
public static Object dbcOpenStart(int hash, String msg, Object pool) {
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null)
return null;
if (conf.profile_connection_open_enabled == false)
return null;
MethodStep p = new MethodStep();
p.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
if (ctx.profile_thread_cputime) {
p.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - ctx.startCpu);
}
DBURL dbUrl = getUrl(ctx, msg, pool);
if (dbUrl != unknown) {
hash = DataProxy.sendMethodName(dbUrl.url);
}
p.hash = hash;
ctx.profile.push(p);
if (conf.profile_connection_open_fullstack_enabled) {
String stack = ThreadUtil.getStackTrace(Thread.currentThread().getStackTrace(), 2);
MessageStep ms = new MessageStep(stack);
ms.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
ctx.profile.add(ms);
}
LocalContext lctx = new LocalContext(ctx, p);
return lctx;
}
static class DBURL {
int hash;
String url;
public DBURL(int hash, String url) {
this.hash = hash;
this.url = url;
}
}
public static void clearUrlMap() {
urlTable.clear();
}
private static DBURL getUrl(TraceContext ctx, String msg, Object pool) {
if (pool == null)
return unknown;
int key = System.identityHashCode(pool);
DBURL dbUrl = urlTable.get(key);
if (dbUrl != null) {
return dbUrl;
}
try {
Method m = pool.getClass().getMethod("getUrl", new Class[0]);
if (m != null) {
String u = "OPEN-DBC " + m.invoke(pool, new Object[0]);
dbUrl = new DBURL(HashUtil.hash(u), u);
}
} catch (Exception e) {
try {
String u = PluginJdbcPoolTrace.url(ctx, msg, pool);
if (u != null) {
u = "OPEN-DBC " + u;
dbUrl = new DBURL(HashUtil.hash(u), u);
}
} catch (Throwable ignore) {
}
}
if (dbUrl == null) {
dbUrl = unknown;
}
urlTable.put(key, dbUrl);
return dbUrl;
}
public static java.sql.Connection dbcOpenEnd(java.sql.Connection conn, Object stat) {
if (stat == null)
return conn;
LocalContext lctx = (LocalContext) stat;
MethodStep step = (MethodStep) lctx.stepSingle;
if (step == null)
return conn;
TraceContext tctx = lctx.context;
if (tctx == null)
return conn;
step.elapsed = (int) (System.currentTimeMillis() - tctx.startTime) - step.start_time;
if (tctx.profile_thread_cputime) {
step.cputime = (int) (SysJMX.getCurrentThreadCPU() - tctx.startCpu) - step.start_cpu;
}
tctx.profile.pop(step);
if (conf.profile_connection_autocommit_status_enabled) {
HashedMessageStep ms = new HashedMessageStep();
try {
ms.hash = DataProxy.sendHashedMessage("AutoCommit : " + conn.getAutoCommit());
} catch (Exception e) {
ms.hash = DataProxy.sendHashedMessage("AutoCommit : " + e);
}
ms.start_time = (int) (System.currentTimeMillis() - tctx.startTime);
if (tctx.profile_thread_cputime) {
ms.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - tctx.startCpu);
}
tctx.profile.add(ms);
}
if (conn instanceof DetectConnection)
return conn;
else
return new DetectConnection(conn);
}
public static void dbcOpenEnd(Object stat, Throwable thr) {
if (stat == null)
return;
LocalContext lctx = (LocalContext) stat;
MethodStep step = (MethodStep) lctx.stepSingle;
if (step == null)
return;
TraceContext tctx = lctx.context;
if (tctx == null)
return;
step.elapsed = (int) (System.currentTimeMillis() - tctx.startTime) - step.start_time;
if (tctx.profile_thread_cputime) {
step.cputime = (int) (SysJMX.getCurrentThreadCPU() - tctx.startCpu) - step.start_cpu;
}
if (thr != null) {
String msg = thr.toString();
int hash = DataProxy.sendError(msg);
if (tctx.error == 0) {
tctx.error = hash;
}
ServiceSummary.getInstance().process(connectionOpenFailException, hash, tctx.serviceHash, tctx.txid, 0, 0);
}
tctx.profile.pop(step);
}
/**
* profile sqlMap
*
* @param methodName
* sqlMap method name
* @param sqlname
* sqlMap name
*/
public static void sqlMap(String methodName, String sqlname) {
if (Configure.getInstance().profile_sqlmap_name_enabled == false)
return;
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null)
return;
HashedMessageStep p = new HashedMessageStep();
p.start_time = (int) (System.currentTimeMillis() - ctx.startTime);
if (ctx.profile_thread_cputime) {
p.start_cpu = (int) (SysJMX.getCurrentThreadCPU() - ctx.startCpu);
}
p.hash = DataProxy.sendHashedMessage(new StringBuilder(40).append("SQLMAP ").append(methodName).append(" { ")
.append(sqlname).append(" }").toString());
ctx.profile.add(p);
}
/**
* used for tracing the return of xxx.execute()
* @param b true for resultSet, false for no result or update count
* @return resultSet case -1, update count case -2
*/
public static int toInt(boolean b) {
//return b?1:0;
return b ? -1 : -2;
}
/**
* sum of int array
* @param arr
* @return
*/
public static int getIntArraySum(int[] arr) {
int sum = 0;
for(int i=arr.length-1; i>=0; i--) {
sum += arr[i];
}
Logger.trace("executeBatch-count=" + sum);
return sum;
}
/**
* apply update count
* @param cnt
* @return
*/
public static int incUpdateCount(int cnt) {
Logger.trace("stmt.getUpdateCount()=" + cnt);
TraceContext ctx = TraceContextManager.getContext();
if (ctx == null) {
return cnt;
}
SqlStep3 lastSqlStep = (SqlStep3)ctx.lastSqlStep;
if(lastSqlStep == null) {
return cnt;
}
int lastCnt = lastSqlStep.updated;
if(lastCnt == -2 && cnt > 0) { // -2 : execute & the return is the case of update-count
lastCnt = cnt;
lastSqlStep.updated = lastCnt;
} else if(lastCnt >= 0 && cnt > 0) {
lastCnt += cnt;
lastSqlStep.updated = lastCnt;
}
return cnt;
}
}
