public override int EstimateSize()
{
return(ByteUtil.EstimateSizeUtf8(value) + 6);
}
public override int EstimateSize()
{
// type + len + flags + ncells + jsonstr
return(2 + 4 + 1 + 2 + ByteUtil.EstimateSizeUtf8(this.value));
}
public void SetScan(ScanPolicy policy, string ns, string setName, string[] binNames, ulong taskId)
{
Begin();
int fieldCount = 0;
if (ns != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(ns) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (setName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(setName) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (policy.recordsPerSecond > 0)
{
dataOffset += 4 + FIELD_HEADER_SIZE;
fieldCount++;
}
int predSize = 0;
if (policy.predExp != null)
{
predSize = EstimatePredExp(policy.predExp);
fieldCount++;
}
// Estimate scan options size.
dataOffset += 2 + FIELD_HEADER_SIZE;
fieldCount++;
// Estimate scan timeout size.
dataOffset += 4 + FIELD_HEADER_SIZE;
fieldCount++;
// Estimate taskId size.
dataOffset += 8 + FIELD_HEADER_SIZE;
fieldCount++;
if (binNames != null)
{
foreach (string binName in binNames)
{
EstimateOperationSize(binName);
}
}
SizeBuffer();
byte readAttr = (byte)Command.INFO1_READ;
if (!policy.includeBinData)
{
readAttr |= (byte)Command.INFO1_NOBINDATA;
}
int operationCount = (binNames == null) ? 0 : binNames.Length;
WriteHeader(policy, readAttr, 0, fieldCount, operationCount);
if (ns != null)
{
WriteField(ns, FieldType.NAMESPACE);
}
if (setName != null)
{
WriteField(setName, FieldType.TABLE);
}
if (policy.recordsPerSecond > 0)
{
WriteField(policy.recordsPerSecond, FieldType.RECORDS_PER_SECOND);
}
if (policy.predExp != null)
{
WritePredExp(policy.predExp, predSize);
}
WriteFieldHeader(2, FieldType.SCAN_OPTIONS);
byte priority = (byte)policy.priority;
priority <<= 4;
if (policy.failOnClusterChange)
{
priority |= 0x08;
}
dataBuffer[dataOffset++] = priority;
dataBuffer[dataOffset++] = (byte)policy.scanPercent;
// Write scan timeout
WriteField(policy.socketTimeout, FieldType.SCAN_TIMEOUT);
// Write taskId field
WriteField(taskId, FieldType.TRAN_ID);
if (binNames != null)
{
foreach (string binName in binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
End();
}
protected internal void SetQuery(Policy policy, Statement statement, bool write)
{
byte[] functionArgBuffer = null;
int fieldCount = 0;
int filterSize = 0;
int binNameSize = 0;
Begin();
if (statement.ns != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.ns) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (statement.indexName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.indexName) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (statement.setName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.setName) + FIELD_HEADER_SIZE;
fieldCount++;
}
// Allocate space for TaskId field.
dataOffset += 8 + FIELD_HEADER_SIZE;
fieldCount++;
if (statement.filter != null)
{
IndexCollectionType type = statement.filter.CollectionType;
if (type != IndexCollectionType.DEFAULT)
{
dataOffset += FIELD_HEADER_SIZE + 1;
fieldCount++;
}
dataOffset += FIELD_HEADER_SIZE;
filterSize++; // num filters
filterSize += statement.filter.EstimateSize();
dataOffset += filterSize;
fieldCount++;
// Query bin names are specified as a field (Scan bin names are specified later as operations)
if (statement.binNames != null && statement.binNames.Length > 0)
{
dataOffset += FIELD_HEADER_SIZE;
binNameSize++; // num bin names
foreach (string binName in statement.binNames)
{
binNameSize += ByteUtil.EstimateSizeUtf8(binName) + 1;
}
dataOffset += binNameSize;
fieldCount++;
}
}
else
{
// Calling query with no filters is more efficiently handled by a primary index scan.
// Estimate scan options size.
dataOffset += 2 + FIELD_HEADER_SIZE;
fieldCount++;
// Estimate scan timeout size.
dataOffset += 4 + FIELD_HEADER_SIZE;
fieldCount++;
// Estimate records per second size.
if (statement.recordsPerSecond > 0)
{
dataOffset += 4 + FIELD_HEADER_SIZE;
fieldCount++;
}
}
PredExp[] predExp = statement.PredExp;
int predSize = 0;
if (policy.predExp != null && predExp == null)
{
predExp = policy.predExp;
}
if (predExp != null)
{
predSize = EstimatePredExp(predExp);
fieldCount++;
}
if (statement.functionName != null)
{
dataOffset += FIELD_HEADER_SIZE + 1; // udf type
dataOffset += ByteUtil.EstimateSizeUtf8(statement.packageName) + FIELD_HEADER_SIZE;
dataOffset += ByteUtil.EstimateSizeUtf8(statement.functionName) + FIELD_HEADER_SIZE;
if (statement.functionArgs.Length > 0)
{
functionArgBuffer = Packer.Pack(statement.functionArgs);
}
else
{
functionArgBuffer = new byte[0];
}
dataOffset += FIELD_HEADER_SIZE + functionArgBuffer.Length;
fieldCount += 4;
}
// Operations (used in query execute) and bin names (used in scan/query) are mutually exclusive.
int operationCount = 0;
if (statement.operations != null)
{
foreach (Operation operation in statement.operations)
{
EstimateOperationSize(operation);
}
operationCount = statement.operations.Length;
}
else if (statement.binNames != null && statement.filter == null)
{
foreach (string binName in statement.binNames)
{
EstimateOperationSize(binName);
}
operationCount = statement.binNames.Length;
}
SizeBuffer();
if (write)
{
WriteHeader((WritePolicy)policy, 0, Command.INFO2_WRITE, fieldCount, operationCount);
}
else
{
QueryPolicy qp = (QueryPolicy)policy;
int readAttr = qp.includeBinData ? Command.INFO1_READ : Command.INFO1_READ | Command.INFO1_NOBINDATA;
WriteHeader(policy, readAttr, 0, fieldCount, operationCount);
}
if (statement.ns != null)
{
WriteField(statement.ns, FieldType.NAMESPACE);
}
if (statement.indexName != null)
{
WriteField(statement.indexName, FieldType.INDEX_NAME);
}
if (statement.setName != null)
{
WriteField(statement.setName, FieldType.TABLE);
}
// Write taskId field
WriteField(statement.taskId, FieldType.TRAN_ID);
if (statement.filter != null)
{
IndexCollectionType type = statement.filter.CollectionType;
if (type != IndexCollectionType.DEFAULT)
{
WriteFieldHeader(1, FieldType.INDEX_TYPE);
dataBuffer[dataOffset++] = (byte)type;
}
WriteFieldHeader(filterSize, FieldType.INDEX_RANGE);
dataBuffer[dataOffset++] = (byte)1;
dataOffset = statement.filter.Write(dataBuffer, dataOffset);
// Query bin names are specified as a field (Scan bin names are specified later as operations)
if (statement.binNames != null && statement.binNames.Length > 0)
{
WriteFieldHeader(binNameSize, FieldType.QUERY_BINLIST);
dataBuffer[dataOffset++] = (byte)statement.binNames.Length;
foreach (string binName in statement.binNames)
{
int len = ByteUtil.StringToUtf8(binName, dataBuffer, dataOffset + 1);
dataBuffer[dataOffset] = (byte)len;
dataOffset += len + 1;
}
}
}
else
{
// Calling query with no filters is more efficiently handled by a primary index scan.
WriteFieldHeader(2, FieldType.SCAN_OPTIONS);
byte priority = (byte)policy.priority;
priority <<= 4;
if (!write && ((QueryPolicy)policy).failOnClusterChange)
{
priority |= 0x08;
}
dataBuffer[dataOffset++] = priority;
dataBuffer[dataOffset++] = (byte)100;
// Write scan socket idle timeout.
WriteField(policy.socketTimeout, FieldType.SCAN_TIMEOUT);
// Write records per second.
if (statement.recordsPerSecond > 0)
{
WriteField(statement.recordsPerSecond, FieldType.RECORDS_PER_SECOND);
}
}
if (predExp != null)
{
WritePredExp(predExp, predSize);
}
if (statement.functionName != null)
{
WriteFieldHeader(1, FieldType.UDF_OP);
dataBuffer[dataOffset++] = (statement.returnData) ? (byte)1 : (byte)2;
WriteField(statement.packageName, FieldType.UDF_PACKAGE_NAME);
WriteField(statement.functionName, FieldType.UDF_FUNCTION);
WriteField(functionArgBuffer, FieldType.UDF_ARGLIST);
}
if (statement.operations != null)
{
foreach (Operation operation in statement.operations)
{
WriteOperation(operation);
}
}
else if (statement.binNames != null && statement.filter == null)
{
// Scan bin names are specified after all fields.
foreach (string binName in statement.binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
End();
}
public void SetBatchRead(BatchPolicy policy, List <BatchRead> records, BatchNode batch)
{
// Estimate full row size
int[] offsets = batch.offsets;
int max = batch.offsetsSize;
ushort fieldCountRow = policy.sendSetName ? (ushort)2 : (ushort)1;
BatchRead prev = null;
Begin();
int fieldCount = 1;
int predSize = 0;
if (policy.predExp != null)
{
predSize = EstimatePredExp(policy.predExp);
fieldCount++;
}
dataOffset += FIELD_HEADER_SIZE + 5;
for (int i = 0; i < max; i++)
{
BatchRead record = records[offsets[i]];
Key key = record.key;
string[] binNames = record.binNames;
dataOffset += key.digest.Length + 4;
// Avoid relatively expensive full equality checks for performance reasons.
// Use reference equality only in hope that common namespaces/bin names are set from
// fixed variables. It's fine if equality not determined correctly because it just
// results in more space used. The batch will still be correct.
if (prev != null && prev.key.ns == key.ns &&
(!policy.sendSetName || prev.key.setName == key.setName) &&
prev.binNames == binNames && prev.readAllBins == record.readAllBins)
{
// Can set repeat previous namespace/bin names to save space.
dataOffset++;
}
else
{
// Estimate full header, namespace and bin names.
dataOffset += ByteUtil.EstimateSizeUtf8(key.ns) + FIELD_HEADER_SIZE + 6;
if (policy.sendSetName)
{
dataOffset += ByteUtil.EstimateSizeUtf8(key.setName) + FIELD_HEADER_SIZE;
}
if (binNames != null)
{
foreach (string binName in binNames)
{
EstimateOperationSize(binName);
}
}
prev = record;
}
}
SizeBuffer();
int readAttr = Command.INFO1_READ;
if (policy.readModeAP == ReadModeAP.ALL)
{
readAttr |= Command.INFO1_READ_MODE_AP_ALL;
}
WriteHeader(policy, readAttr | Command.INFO1_BATCH, 0, fieldCount, 0);
if (policy.predExp != null)
{
WritePredExp(policy.predExp, predSize);
}
int fieldSizeOffset = dataOffset;
WriteFieldHeader(0, policy.sendSetName ? FieldType.BATCH_INDEX_WITH_SET : FieldType.BATCH_INDEX); // Need to update size at end
ByteUtil.IntToBytes((uint)max, dataBuffer, dataOffset);
dataOffset += 4;
dataBuffer[dataOffset++] = (policy.allowInline) ? (byte)1 : (byte)0;
prev = null;
for (int i = 0; i < max; i++)
{
int index = offsets[i];
ByteUtil.IntToBytes((uint)index, dataBuffer, dataOffset);
dataOffset += 4;
BatchRead record = records[index];
Key key = record.key;
string[] binNames = record.binNames;
byte[] digest = key.digest;
Array.Copy(digest, 0, dataBuffer, dataOffset, digest.Length);
dataOffset += digest.Length;
// Avoid relatively expensive full equality checks for performance reasons.
// Use reference equality only in hope that common namespaces/bin names are set from
// fixed variables. It's fine if equality not determined correctly because it just
// results in more space used. The batch will still be correct.
if (prev != null && prev.key.ns == key.ns &&
(!policy.sendSetName || prev.key.setName == key.setName) &&
prev.binNames == binNames && prev.readAllBins == record.readAllBins)
{
// Can set repeat previous namespace/bin names to save space.
dataBuffer[dataOffset++] = 1; // repeat
}
else
{
// Write full header, namespace and bin names.
dataBuffer[dataOffset++] = 0; // do not repeat
if (binNames != null && binNames.Length != 0)
{
dataBuffer[dataOffset++] = (byte)readAttr;
dataOffset += ByteUtil.ShortToBytes(fieldCountRow, dataBuffer, dataOffset);
dataOffset += ByteUtil.ShortToBytes((ushort)binNames.Length, dataBuffer, dataOffset);
WriteField(key.ns, FieldType.NAMESPACE);
if (policy.sendSetName)
{
WriteField(key.setName, FieldType.TABLE);
}
foreach (string binName in binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
else
{
dataBuffer[dataOffset++] = (byte)(readAttr | (record.readAllBins ? Command.INFO1_GET_ALL : Command.INFO1_NOBINDATA));
dataOffset += ByteUtil.ShortToBytes(fieldCountRow, dataBuffer, dataOffset);
dataOffset += ByteUtil.ShortToBytes(0, dataBuffer, dataOffset);
WriteField(key.ns, FieldType.NAMESPACE);
if (policy.sendSetName)
{
WriteField(key.setName, FieldType.TABLE);
}
}
prev = record;
}
}
// Write real field size.
ByteUtil.IntToBytes((uint)(dataOffset - MSG_TOTAL_HEADER_SIZE - 4), dataBuffer, fieldSizeOffset);
End();
}
public void SetBatchRead(BatchPolicy policy, Key[] keys, BatchNode batch, string[] binNames, int readAttr)
{
// Estimate full row size
int[] offsets = batch.offsets;
int max = batch.offsetsSize;
ushort fieldCountRow = policy.sendSetName ? (ushort)2 : (ushort)1;
// Calculate size of bin names.
int binNameSize = 0;
int operationCount = 0;
if (binNames != null)
{
foreach (string binName in binNames)
{
binNameSize += ByteUtil.EstimateSizeUtf8(binName) + OPERATION_HEADER_SIZE;
}
operationCount = binNames.Length;
}
// Estimate buffer size.
Begin();
int fieldCount = 1;
int predSize = 0;
if (policy.predExp != null)
{
predSize = EstimatePredExp(policy.predExp);
fieldCount++;
}
dataOffset += FIELD_HEADER_SIZE + 5;
Key prev = null;
for (int i = 0; i < max; i++)
{
Key key = keys[offsets[i]];
dataOffset += key.digest.Length + 4;
// Try reference equality in hope that namespace for all keys is set from a fixed variable.
if (prev != null && prev.ns == key.ns && (!policy.sendSetName || prev.setName == key.setName))
{
// Can set repeat previous namespace/bin names to save space.
dataOffset++;
}
else
{
// Estimate full header, namespace and bin names.
dataOffset += ByteUtil.EstimateSizeUtf8(key.ns) + FIELD_HEADER_SIZE + 6;
if (policy.sendSetName)
{
dataOffset += ByteUtil.EstimateSizeUtf8(key.setName) + FIELD_HEADER_SIZE;
}
dataOffset += binNameSize;
prev = key;
}
}
SizeBuffer();
if (policy.readModeAP == ReadModeAP.ALL)
{
readAttr |= Command.INFO1_READ_MODE_AP_ALL;
}
WriteHeader(policy, readAttr | Command.INFO1_BATCH, 0, fieldCount, 0);
if (policy.predExp != null)
{
WritePredExp(policy.predExp, predSize);
}
int fieldSizeOffset = dataOffset;
WriteFieldHeader(0, policy.sendSetName ? FieldType.BATCH_INDEX_WITH_SET : FieldType.BATCH_INDEX); // Need to update size at end
ByteUtil.IntToBytes((uint)max, dataBuffer, dataOffset);
dataOffset += 4;
dataBuffer[dataOffset++] = (policy.allowInline) ? (byte)1 : (byte)0;
prev = null;
for (int i = 0; i < max; i++)
{
int index = offsets[i];
ByteUtil.IntToBytes((uint)index, dataBuffer, dataOffset);
dataOffset += 4;
Key key = keys[index];
byte[] digest = key.digest;
Array.Copy(digest, 0, dataBuffer, dataOffset, digest.Length);
dataOffset += digest.Length;
// Try reference equality in hope that namespace for all keys is set from a fixed variable.
if (prev != null && prev.ns == key.ns && (!policy.sendSetName || prev.setName == key.setName))
{
// Can set repeat previous namespace/bin names to save space.
dataBuffer[dataOffset++] = 1; // repeat
}
else
{
// Write full header, namespace and bin names.
dataBuffer[dataOffset++] = 0; // do not repeat
dataBuffer[dataOffset++] = (byte)readAttr;
dataOffset += ByteUtil.ShortToBytes(fieldCountRow, dataBuffer, dataOffset);
dataOffset += ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, dataOffset);
WriteField(key.ns, FieldType.NAMESPACE);
if (policy.sendSetName)
{
WriteField(key.setName, FieldType.TABLE);
}
if (binNames != null)
{
foreach (string binName in binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
prev = key;
}
}
// Write real field size.
ByteUtil.IntToBytes((uint)(dataOffset - MSG_TOTAL_HEADER_SIZE - 4), dataBuffer, fieldSizeOffset);
End();
}
private void EstimateOperationSize(string binName)
{
dataOffset += ByteUtil.EstimateSizeUtf8(binName) + OPERATION_HEADER_SIZE;
}
private void EstimateOperationSize(Operation operation)
{
dataOffset += ByteUtil.EstimateSizeUtf8(operation.binName) + OPERATION_HEADER_SIZE;
dataOffset += operation.value.EstimateSize();
}
private void EstimateOperationSize(Bin bin)
{
dataOffset += ByteUtil.EstimateSizeUtf8(bin.name) + OPERATION_HEADER_SIZE;
dataOffset += bin.value.EstimateSize();
}
protected internal void SetQuery(Policy policy, Statement statement, bool write)
{
byte[] functionArgBuffer = null;
int fieldCount = 0;
int filterSize = 0;
int binNameSize = 0;
Begin();
if (statement.ns != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.ns) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (statement.indexName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.indexName) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (statement.setName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(statement.setName) + FIELD_HEADER_SIZE;
fieldCount++;
}
// Allocate space for TaskId field.
dataOffset += 8 + FIELD_HEADER_SIZE;
fieldCount++;
if (statement.filters != null)
{
if (statement.filters.Length >= 1)
{
IndexCollectionType type = statement.filters[0].CollectionType;
if (type != IndexCollectionType.DEFAULT)
{
dataOffset += FIELD_HEADER_SIZE + 1;
fieldCount++;
}
}
dataOffset += FIELD_HEADER_SIZE;
filterSize++; // num filters
foreach (Filter filter in statement.filters)
{
filterSize += filter.EstimateSize();
}
dataOffset += filterSize;
fieldCount++;
// Query bin names are specified as a field (Scan bin names are specified later as operations)
if (statement.binNames != null)
{
dataOffset += FIELD_HEADER_SIZE;
binNameSize++; // num bin names
foreach (string binName in statement.binNames)
{
binNameSize += ByteUtil.EstimateSizeUtf8(binName) + 1;
}
dataOffset += binNameSize;
fieldCount++;
}
}
else
{
// Calling query with no filters is more efficiently handled by a primary index scan.
// Estimate scan options size.
dataOffset += 2 + FIELD_HEADER_SIZE;
fieldCount++;
}
if (statement.functionName != null)
{
dataOffset += FIELD_HEADER_SIZE + 1; // udf type
dataOffset += ByteUtil.EstimateSizeUtf8(statement.packageName) + FIELD_HEADER_SIZE;
dataOffset += ByteUtil.EstimateSizeUtf8(statement.functionName) + FIELD_HEADER_SIZE;
if (statement.functionArgs.Length > 0)
{
functionArgBuffer = Packer.Pack(statement.functionArgs);
}
else
{
functionArgBuffer = new byte[0];
}
dataOffset += FIELD_HEADER_SIZE + functionArgBuffer.Length;
fieldCount += 4;
}
if (statement.filters == null)
{
if (statement.binNames != null)
{
foreach (string binName in statement.binNames)
{
EstimateOperationSize(binName);
}
}
}
SizeBuffer();
int operationCount = (statement.filters == null && statement.binNames != null) ? statement.binNames.Length : 0;
if (write)
{
WriteHeader((WritePolicy)policy, Command.INFO1_READ, Command.INFO2_WRITE, fieldCount, operationCount);
}
else
{
WriteHeader(policy, Command.INFO1_READ, 0, fieldCount, operationCount);
}
if (statement.ns != null)
{
WriteField(statement.ns, FieldType.NAMESPACE);
}
if (statement.indexName != null)
{
WriteField(statement.indexName, FieldType.INDEX_NAME);
}
if (statement.setName != null)
{
WriteField(statement.setName, FieldType.TABLE);
}
// Write taskId field
WriteFieldHeader(8, FieldType.TRAN_ID);
ByteUtil.LongToBytes(statement.taskId, dataBuffer, dataOffset);
dataOffset += 8;
if (statement.filters != null)
{
if (statement.filters.Length >= 1)
{
IndexCollectionType type = statement.filters[0].CollectionType;
if (type != IndexCollectionType.DEFAULT)
{
WriteFieldHeader(1, FieldType.INDEX_TYPE);
dataBuffer[dataOffset++] = (byte)type;
}
}
WriteFieldHeader(filterSize, FieldType.INDEX_RANGE);
dataBuffer[dataOffset++] = (byte)statement.filters.Length;
foreach (Filter filter in statement.filters)
{
dataOffset = filter.Write(dataBuffer, dataOffset);
}
// Query bin names are specified as a field (Scan bin names are specified later as operations)
if (statement.binNames != null)
{
WriteFieldHeader(binNameSize, FieldType.QUERY_BINLIST);
dataBuffer[dataOffset++] = (byte)statement.binNames.Length;
foreach (string binName in statement.binNames)
{
int len = ByteUtil.StringToUtf8(binName, dataBuffer, dataOffset + 1);
dataBuffer[dataOffset] = (byte)len;
dataOffset += len + 1;
}
}
}
else
{
// Calling query with no filters is more efficiently handled by a primary index scan.
WriteFieldHeader(2, FieldType.SCAN_OPTIONS);
byte priority = (byte)policy.priority;
priority <<= 4;
dataBuffer[dataOffset++] = priority;
dataBuffer[dataOffset++] = (byte)100;
}
if (statement.functionName != null)
{
WriteFieldHeader(1, FieldType.UDF_OP);
dataBuffer[dataOffset++] = (statement.returnData) ? (byte)1 : (byte)2;
WriteField(statement.packageName, FieldType.UDF_PACKAGE_NAME);
WriteField(statement.functionName, FieldType.UDF_FUNCTION);
WriteField(functionArgBuffer, FieldType.UDF_ARGLIST);
}
// Scan bin names are specified after all fields.
if (statement.filters == null)
{
if (statement.binNames != null)
{
foreach (string binName in statement.binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
}
End();
}
public void SetScan(ScanPolicy policy, string ns, string setName, string[] binNames, long taskId)
{
Begin();
int fieldCount = 0;
if (ns != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(ns) + FIELD_HEADER_SIZE;
fieldCount++;
}
if (setName != null)
{
dataOffset += ByteUtil.EstimateSizeUtf8(setName) + FIELD_HEADER_SIZE;
fieldCount++;
}
// Estimate scan options size.
dataOffset += 2 + FIELD_HEADER_SIZE;
fieldCount++;
// Estimate taskId size.
dataOffset += 8 + FIELD_HEADER_SIZE;
fieldCount++;
if (binNames != null)
{
foreach (String binName in binNames)
{
EstimateOperationSize(binName);
}
}
SizeBuffer();
byte readAttr = (byte)Command.INFO1_READ;
if (!policy.includeBinData)
{
readAttr |= (byte)Command.INFO1_NOBINDATA;
}
int operationCount = (binNames == null) ? 0 : binNames.Length;
WriteHeader(policy, readAttr, 0, fieldCount, operationCount);
if (ns != null)
{
WriteField(ns, FieldType.NAMESPACE);
}
if (setName != null)
{
WriteField(setName, FieldType.TABLE);
}
WriteFieldHeader(2, FieldType.SCAN_OPTIONS);
byte priority = (byte)policy.priority;
priority <<= 4;
if (policy.failOnClusterChange)
{
priority |= 0x08;
}
dataBuffer[dataOffset++] = priority;
dataBuffer[dataOffset++] = (byte)policy.scanPercent;
// Write taskId field
WriteFieldHeader(8, FieldType.TRAN_ID);
ByteUtil.LongToBytes((ulong)taskId, dataBuffer, dataOffset);
dataOffset += 8;
if (binNames != null)
{
foreach (String binName in binNames)
{
WriteOperation(binName, Operation.Type.READ);
}
}
End();
}