513 lines
16 KiB
C++
513 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <hsqldb/HStorageAccess.hxx>
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#include <com/sun/star/embed/XStorage.hpp>
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#include <hsqldb/HStorageMap.hxx>
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#include "accesslog.hxx"
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#include <osl/diagnose.h>
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#include <comphelper/diagnose_ex.hxx>
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#include <string.h>
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#include <algorithm>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::io;
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using namespace ::connectivity::hsqldb;
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#define ThrowException(env, type, msg) { \
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env->ThrowNew(env->FindClass(type), msg); }
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: openStream
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* Signature: (Ljava/lang/String;Ljava/lang/String;I)V
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*/
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extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_openStream
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key, jint mode)
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{
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#ifdef HSQLDB_DBG
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{
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OperationLogFile( env, name, "data" ).logOperation( "openStream" );
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LogFile( env, name, "data" ).create();
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}
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#endif
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StorageContainer::registerStream(env,name,key,mode);
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: close
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* Signature: (Ljava/lang/String;Ljava/lang/String;)V
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*/
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extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_close
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key)
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{
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#ifdef HSQLDB_DBG
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{
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OUString sKey = StorageContainer::jstring2ustring(env,key);
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OUString sName = StorageContainer::jstring2ustring(env,name);
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}
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XOutputStream> xFlush = pHelper ? pHelper->getOutputStream() : Reference< XOutputStream>();
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if ( xFlush.is() )
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try
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{
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xFlush->flush();
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}
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catch(const Exception&)
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{
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TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "NativeStorageAccess::close: caught an exception while flushing!" );
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}
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#ifdef HSQLDB_DBG
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{
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "close" );
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aOpLog.close();
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LogFile aDataLog( env, name, "data" );
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aDataLog.close();
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}
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#endif
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StorageContainer::revokeStream(env,name,key);
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: getFilePointer
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* Signature: (Ljava/lang/String;Ljava/lang/String;)J
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*/
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extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_getFilePointer
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "getFilePointer" );
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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OSL_ENSURE(pHelper,"No stream helper!");
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jlong nReturn = pHelper ? pHelper->getSeek()->getPosition() : jlong(0);
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#ifdef HSQLDB_DBG
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aOpLog.logReturn( nReturn );
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#endif
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return nReturn;
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: length
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* Signature: (Ljava/lang/String;Ljava/lang/String;)J
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*/
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extern "C" SAL_JNI_EXPORT jlong JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_length
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "length" );
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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OSL_ENSURE(pHelper,"No stream helper!");
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jlong nReturn = pHelper ? pHelper->getSeek()->getLength() :jlong(0);
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#ifdef HSQLDB_DBG
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aOpLog.logReturn( nReturn );
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#endif
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return nReturn;
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}
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jint read_from_storage_stream( JNIEnv * env, jstring name, jstring key )
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{
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference< XInputStream>();
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OSL_ENSURE(xIn.is(),"Input stream is NULL!");
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if ( !xIn.is() )
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return -1;
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Sequence< ::sal_Int8 > aData(1);
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sal_Int32 nBytesRead = -1;
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try
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{
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nBytesRead = xIn->readBytes(aData,1);
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}
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catch(const Exception& e)
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{
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StorageContainer::throwJavaException(e,env);
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return -1;
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}
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if (nBytesRead <= 0)
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{
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return -1;
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}
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else
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{
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return static_cast<unsigned char>(aData[0]);
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}
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return -1;
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: read
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* Signature: (Ljava/lang/String;Ljava/lang/String;)I
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*/
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extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_read__Ljava_lang_String_2Ljava_lang_String_2
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(JNIEnv* env, jobject /*obj_this*/, jstring name, jstring key)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "read" );
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DataLogFile aDataLog( env, name, "data" );
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return read_from_storage_stream( env, obj_this, name, key, &aDataLog );
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#else
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return read_from_storage_stream( env, name, key );
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#endif
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}
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jint read_from_storage_stream_into_buffer( JNIEnv * env, jstring name, jstring key, jbyteArray buffer, jint off, jint len )
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{
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#ifdef HSQLDB_DBG
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{
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OUString sKey = StorageContainer::jstring2ustring(env,key);
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OUString sName = StorageContainer::jstring2ustring(env,name);
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}
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference< XInputStream>();
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OSL_ENSURE(xIn.is(),"Input stream is NULL!");
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if ( xIn.is() )
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{
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jsize nLen = env->GetArrayLength(buffer);
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if ( nLen < len || len <= 0 )
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{
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ThrowException( env,
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"java/io/IOException",
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"len is greater or equal to the buffer size");
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return -1;
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}
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sal_Int32 nBytesRead = -1;
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Sequence< ::sal_Int8 > aData(nLen);
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try
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{
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nBytesRead = xIn->readBytes(aData, len);
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}
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catch(const Exception& e)
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{
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StorageContainer::throwJavaException(e,env);
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return -1;
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}
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if (nBytesRead <= 0)
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return -1;
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env->SetByteArrayRegion(buffer,off,nBytesRead,reinterpret_cast<const jbyte*>(&aData[0]));
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return nBytesRead;
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}
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ThrowException( env,
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"java/io/IOException",
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"Stream is not valid");
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return -1;
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: read
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* Signature: (Ljava/lang/String;Ljava/lang/String;[BII)I
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*/
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extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_read__Ljava_lang_String_2Ljava_lang_String_2_3BII
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(JNIEnv * env, jobject obj_this,jstring name, jstring key, jbyteArray buffer, jint off, jint len)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "read( byte[], int, int )" );
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DataLogFile aDataLog( env, name, "data" );
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return read_from_storage_stream_into_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
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#else
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(void)obj_this;
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return read_from_storage_stream_into_buffer( env, name, key, buffer, off, len );
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#endif
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: readInt
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* Signature: (Ljava/lang/String;Ljava/lang/String;)I
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*/
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extern "C" SAL_JNI_EXPORT jint JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_readInt
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "readInt" );
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XInputStream> xIn = pHelper ? pHelper->getInputStream() : Reference< XInputStream>();
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OSL_ENSURE(xIn.is(),"Input stream is NULL!");
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if ( xIn.is() )
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{
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Sequence< ::sal_Int8 > aData(4);
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sal_Int32 nBytesRead = -1;
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try
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{
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nBytesRead = xIn->readBytes(aData, 4);
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}
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catch(const Exception& e)
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{
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StorageContainer::throwJavaException(e,env);
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return -1;
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}
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if ( nBytesRead != 4 ) {
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ThrowException( env,
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"java/io/IOException",
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"Bytes read != 4");
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return -1;
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}
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Sequence< sal_Int32 > ch(4);
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std::transform(aData.begin(), aData.end(), ch.getArray(),
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[](auto c) { return static_cast<unsigned char>(c); });
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if ((ch[0] | ch[1] | ch[2] | ch[3]) < 0)
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{
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ThrowException( env,
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"java/io/IOException",
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"One byte is < 0");
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return -1;
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}
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jint nRet = (ch[0] << 24) + (ch[1] << 16) + (ch[2] << 8) + (ch[3] << 0);
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#ifdef HSQLDB_DBG
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DataLogFile aDataLog( env, name, "data" );
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aDataLog.write( nRet );
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aOpLog.logReturn( nRet );
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#endif
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return nRet;
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}
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ThrowException( env,
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"java/io/IOException",
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"No InputStream");
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return -1;
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: seek
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* Signature: (Ljava/lang/String;Ljava/lang/String;J)V
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*/
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extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_seek
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(JNIEnv * env, jobject /*obj_this*/,jstring name, jstring key, jlong position)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "seek", position );
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#endif
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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OSL_ENSURE(pHelper, "No StreamHelper!");
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if (!pHelper)
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return;
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Reference< XSeekable> xSeek = pHelper->getSeek();
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OSL_ENSURE(xSeek.is(), "No Seekable stream!");
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if (!xSeek)
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return;
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#ifdef HSQLDB_DBG
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DataLogFile aDataLog( env, name, "data" );
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#endif
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::sal_Int64 nLen = xSeek->getLength();
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if ( nLen < position)
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{
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static const ::sal_Int64 BUFFER_SIZE = 9192;
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#ifdef HSQLDB_DBG
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aDataLog.seek( nLen );
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#endif
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xSeek->seek(nLen);
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Reference< XOutputStream> xOut = pHelper->getOutputStream();
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OSL_ENSURE(xOut.is(),"No output stream!");
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sal_Int64 diff = position - nLen, n;
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while (diff != 0)
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{
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if (diff > BUFFER_SIZE)
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{
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n = BUFFER_SIZE;
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diff = diff - BUFFER_SIZE;
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}
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else
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{
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n = diff;
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diff = 0;
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}
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assert(n >= 0 && n <= SAL_MAX_INT32 && "this fits in sal_Int32");
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Sequence<sal_Int8> aData(n);
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memset(aData.getArray(), 0, n);
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xOut->writeBytes(aData);
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#ifdef HSQLDB_DBG
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aDataLog.write( aData.getConstArray(), n );
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#endif
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}
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}
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xSeek->seek(position);
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OSL_ENSURE(xSeek->getPosition() == position,"Wrong position after seeking the stream");
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#ifdef HSQLDB_DBG
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aDataLog.seek( position );
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OSL_ENSURE( xSeek->getPosition() == aDataLog.tell(), "Wrong position after seeking the stream" );
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#endif
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}
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void write_to_storage_stream_from_buffer( JNIEnv* env, jstring name, jstring key, jbyteArray buffer, jint off, jint len )
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{
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XOutputStream> xOut = pHelper ? pHelper->getOutputStream() : Reference< XOutputStream>();
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OSL_ENSURE(xOut.is(),"Stream is NULL");
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try
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{
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if ( xOut.is() )
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{
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jbyte *buf = env->GetByteArrayElements(buffer,nullptr);
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if (env->ExceptionCheck())
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{
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env->ExceptionClear();
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OSL_FAIL("ExceptionClear");
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}
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OSL_ENSURE(buf,"buf is NULL");
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if ( buf && len > 0 && len <= env->GetArrayLength(buffer))
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{
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Sequence< ::sal_Int8 > aData(reinterpret_cast<sal_Int8 *>(buf + off),len);
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env->ReleaseByteArrayElements(buffer, buf, JNI_ABORT);
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xOut->writeBytes(aData);
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}
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}
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else
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{
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ThrowException( env,
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"java/io/IOException",
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"No OutputStream");
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}
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}
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catch(const Exception& e)
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{
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TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "Exception caught! : write [BII)V");
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StorageContainer::throwJavaException(e,env);
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}
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}
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/*
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* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
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* Method: write
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* Signature: (Ljava/lang/String;Ljava/lang/String;[BII)V
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*/
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extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_write
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(JNIEnv * env, jobject obj_this,jstring name, jstring key, jbyteArray buffer, jint off, jint len)
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{
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#ifdef HSQLDB_DBG
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OperationLogFile aOpLog( env, name, "data" );
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aOpLog.logOperation( "write( byte[], int, int )" );
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DataLogFile aDataLog( env, name, "data" );
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write_to_storage_stream_from_buffer( env, obj_this, name, key, buffer, off, len, &aDataLog );
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#else
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(void)obj_this;
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write_to_storage_stream_from_buffer( env, name, key, buffer, off, len );
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#endif
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}
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void write_to_storage_stream( JNIEnv* env, jstring name, jstring key, jint v )
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{
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std::shared_ptr<StreamHelper> pHelper = StorageContainer::getRegisteredStream(env,name,key);
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Reference< XOutputStream> xOut = pHelper ? pHelper->getOutputStream() : Reference< XOutputStream>();
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OSL_ENSURE(xOut.is(),"Stream is NULL");
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try
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{
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if ( xOut.is() )
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{
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Sequence< ::sal_Int8 > oneByte
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{
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static_cast<sal_Int8>((v >> 24) & 0xFF),
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static_cast<sal_Int8>((v >> 16) & 0xFF),
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static_cast<sal_Int8>((v >> 8) & 0xFF),
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static_cast<sal_Int8>((v >> 0) & 0xFF)
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};
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xOut->writeBytes(oneByte);
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}
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else
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{
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ThrowException( env,
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"java/io/IOException",
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"No OutputStream");
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}
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}
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catch(const Exception& e)
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{
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TOOLS_WARN_EXCEPTION( "connectivity.hsqldb", "writeBytes(aData);");
|
|
StorageContainer::throwJavaException(e,env);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Class: com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess
|
|
* Method: writeInt
|
|
* Signature: (Ljava/lang/String;Ljava/lang/String;I)V
|
|
*/
|
|
extern "C" SAL_JNI_EXPORT void JNICALL Java_com_sun_star_sdbcx_comp_hsqldb_NativeStorageAccess_writeInt
|
|
(JNIEnv * env, jobject obj_this,jstring name, jstring key, jint v)
|
|
{
|
|
#ifdef HSQLDB_DBG
|
|
OperationLogFile aOpLog( env, name, "data" );
|
|
aOpLog.logOperation( "writeInt" );
|
|
|
|
DataLogFile aDataLog( env, name, "data" );
|
|
write_to_storage_stream( env, name, key, v, &aDataLog );
|
|
#else
|
|
(void)obj_this;
|
|
write_to_storage_stream( env, name, key, v );
|
|
#endif
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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