/**
* Creates and returns the "backup" service request buffer for the Service Manager.
*
* @param service Service handle
* @param options The isc_spb_bkp_* parameters options to be used
* @return the "backup" service request buffer for the Service Manager.
*/
protected ServiceRequestBuffer getBackupSRB(FbService service, int options) throws SQLException {
ServiceRequestBuffer backupSPB = service.createServiceRequestBuffer();
backupSPB.addArgument(isc_action_svc_backup);
backupSPB.addArgument(isc_spb_dbname, getDatabase());
addBackupsToBackupRequestBuffer(service, backupSPB);
if (verboseBackup()) {
backupSPB.addArgument(isc_spb_verbose);
}
backupSPB.addArgument(isc_spb_options, options);
return backupSPB;
}
@Override
public byte[] getServiceInfo(
ServiceParameterBuffer serviceParameterBuffer,
ServiceRequestBuffer serviceRequestBuffer,
int maxBufferLength)
throws SQLException {
try {
final byte[] serviceParameterBufferBytes =
serviceParameterBuffer == null ? null : serviceParameterBuffer.toBytesWithType();
final byte[] serviceRequestBufferBytes =
serviceRequestBuffer == null ? null : serviceRequestBuffer.toBytes();
final ByteBuffer responseBuffer = ByteBuffer.allocateDirect(maxBufferLength);
synchronized (getSynchronizationObject()) {
clientLibrary.isc_service_query(
statusVector,
handle,
new IntByReference(0),
(short) (serviceParameterBufferBytes != null ? serviceParameterBufferBytes.length : 0),
serviceParameterBufferBytes,
(short) (serviceRequestBufferBytes != null ? serviceRequestBufferBytes.length : 0),
serviceRequestBufferBytes,
(short) maxBufferLength,
responseBuffer);
processStatusVector();
}
byte[] responseArray = new byte[maxBufferLength];
responseBuffer.get(responseArray);
return responseArray;
} catch (SQLException e) {
exceptionListenerDispatcher.errorOccurred(e);
throw e;
}
}
/**
* Creates and returns the "backup" service request buffer for the Service Manager.
*
* @param service Service handle
* @param options The options to be used for the backup operation
* @return the "backup" service request buffer for the Service Manager.
*/
protected ServiceRequestBuffer getRestoreSRB(FbService service, int options) {
ServiceRequestBuffer restoreSPB = service.createServiceRequestBuffer();
restoreSPB.addArgument(isc_action_svc_restore);
// restore files with sizes except the last one
for (Iterator<PathSizeStruct> iter = restorePaths.iterator(); iter.hasNext(); ) {
PathSizeStruct pathSize = iter.next();
restoreSPB.addArgument(isc_spb_dbname, pathSize.getPath());
if (iter.hasNext() && pathSize.getSize() != -1) {
restoreSPB.addArgument(isc_spb_res_length, pathSize.getSize());
}
}
addBackupsToRestoreRequestBuffer(service, restoreSPB);
if (restoreBufferCount != -1) {
restoreSPB.addArgument(isc_spb_res_buffers, restoreBufferCount);
}
if (restorePageSize != -1) {
restoreSPB.addArgument(isc_spb_res_page_size, restorePageSize);
}
restoreSPB.addArgument(
isc_spb_res_access_mode,
(byte) (restoreReadOnly ? isc_spb_res_am_readonly : isc_spb_res_am_readwrite));
if (verbose) {
restoreSPB.addArgument(isc_spb_verbose);
}
if ((options & RESTORE_CREATE) != RESTORE_CREATE
&& (options & RESTORE_REPLACE) != RESTORE_REPLACE) {
options |= restoreReplace ? RESTORE_REPLACE : RESTORE_CREATE;
}
restoreSPB.addArgument(isc_spb_options, options);
return restoreSPB;
}
/**
* Test for service action.
*
* <p>Replicates the behavior of {@link FBStatisticsManager#getHeaderPage()}.
*/
@Test
public void testStartServiceAction() throws Exception {
FBManager fbManager = createFBManager();
defaultDatabaseSetUp(fbManager);
try (JnaService service = factory.serviceConnect(connectionInfo)) {
service.attach();
ServiceRequestBuffer actionSrb = service.createServiceRequestBuffer();
actionSrb.addArgument(isc_action_svc_db_stats);
actionSrb.addArgument(isc_spb_dbname, getDatabasePath());
actionSrb.addArgument(isc_spb_options, isc_spb_sts_hdr_pages);
service.startServiceAction(actionSrb);
ServiceRequestBuffer infoSrb = service.createServiceRequestBuffer();
infoSrb.addArgument(isc_info_svc_to_eof);
int bufferSize = 1024;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
boolean processing = true;
while (processing) {
byte[] buffer = service.getServiceInfo(null, infoSrb, bufferSize);
switch (buffer[0]) {
case isc_info_svc_to_eof:
int dataLength = iscVaxInteger2(buffer, 1);
if (dataLength == 0) {
if (buffer[3] != isc_info_end) {
throw new SQLException("Unexpected end of stream reached.");
} else {
processing = false;
break;
}
}
bos.write(buffer, 3, dataLength);
break;
case isc_info_truncated:
bufferSize = bufferSize * 2;
break;
case isc_info_end:
processing = false;
break;
}
}
String headerPage = service.getEncoding().decodeFromCharset(bos.toByteArray());
assertThat(
"Expected database header page content",
headerPage,
allOf(
startsWith("\nDatabase"),
containsString("Database header page information"),
endsWith("*END*\n")));
} finally {
defaultDatabaseTearDown(fbManager);
}
}
@Override
public void startServiceAction(ServiceRequestBuffer serviceRequestBuffer) throws SQLException {
try {
final byte[] serviceRequestBufferBytes =
serviceRequestBuffer == null ? null : serviceRequestBuffer.toBytes();
synchronized (getSynchronizationObject()) {
clientLibrary.isc_service_start(
statusVector,
handle,
new IntByReference(0),
(short) (serviceRequestBufferBytes != null ? serviceRequestBufferBytes.length : 0),
serviceRequestBufferBytes);
processStatusVector();
}
} catch (SQLException e) {
exceptionListenerDispatcher.errorOccurred(e);
throw e;
}
}
