Example #1
0
        /// <summary>
        /// Generic header write.
        /// </summary>
        private void WriteHeader(Policy policy, int readAttr, int writeAttr, int fieldCount, int operationCount)
        {
            int infoAttr = 0;

            if (policy.linearizeRead)
            {
                infoAttr |= Command.INFO3_LINEARIZE_READ;
            }

            if (policy.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            dataOffset += 8;

            // Write all header data except total size which must be written last.
            dataBuffer[dataOffset++] = MSG_REMAINING_HEADER_SIZE;             // Message header length.
            dataBuffer[dataOffset++] = (byte)readAttr;
            dataBuffer[dataOffset++] = (byte)writeAttr;
            dataBuffer[dataOffset++] = (byte)infoAttr;

            for (int i = 0; i < 10; i++)
            {
                dataBuffer[dataOffset++] = 0;
            }
            dataOffset += ByteUtil.IntToBytes((uint)policy.totalTimeout, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)fieldCount, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, dataOffset);
        }
Example #2
0
 private void PackShort(int type, ushort val)
 {
     if (offset + 3 > buffer.Length)
     {
         Resize(3);
     }
     buffer[offset++] = (byte)type;
     ByteUtil.ShortToBytes(val, buffer, offset);
     offset += 2;
 }
Example #3
0
 public void PackRawShort(int val)
 {
     // WARNING. This method is not compatible with message pack standard.
     if (offset + 2 > buffer.Length)
     {
         Resize(2);
     }
     ByteUtil.ShortToBytes((ushort)val, buffer, offset);
     offset += 2;
 }
            public override int Write(byte[] buf, int offset)
            {
                // Write op type
                ByteUtil.ShortToBytes(op, buf, offset);
                offset += 2;

                // Write zero length
                ByteUtil.IntToBytes(0, buf, offset);
                offset += 4;
                return(offset);
            }
            public override int Write(byte[] buf, int offset)
            {
                // Write value type
                ByteUtil.ShortToBytes(type, buf, offset);
                offset += 2;

                // Write value
                int len = ByteUtil.StringToUtf8(value, buf, offset + 4);

                ByteUtil.IntToBytes((uint)len, buf, offset);
                offset += 4 + len;
                return(offset);
            }
 public bool SetBigInt16(ushort value, int offset)
 {
     try
     {
         int capacity = offset + 2;
         EnsureCapacity(capacity);
         ByteUtil.ShortToBytes(value, bytes, offset);
         ResetSize(capacity);
         return(true);
     }
     catch (Exception)
     {
         return(false);
     }
 }
            public override int Write(byte[] buf, int offset)
            {
                // Write op type
                ByteUtil.ShortToBytes(op, buf, offset);
                offset += 2;

                // Write length
                ByteUtil.IntToBytes(4, buf, offset);
                offset += 4;

                // Write predicate count
                ByteUtil.IntToBytes(flags, buf, offset);
                offset += 4;
                return(offset);
            }
            public override int Write(byte[] buf, int offset)
            {
                // Write value type
                ByteUtil.ShortToBytes(type, buf, offset);
                offset += 2;

                // Write length
                ByteUtil.IntToBytes(8, buf, offset);
                offset += 4;

                // Write value
                ByteUtil.LongToBytes((ulong)value, buf, offset);
                offset += 8;
                return(offset);
            }
Example #9
0
        /// <summary>
        /// Generic header write.
        /// </summary>
        private void WriteHeader(Policy policy, int readAttr, int writeAttr, int fieldCount, int operationCount)
        {
            int infoAttr = 0;

            switch (policy.readModeSC)
            {
            case ReadModeSC.SESSION:
                break;

            case ReadModeSC.LINEARIZE:
                infoAttr |= Command.INFO3_SC_READ_TYPE;
                break;

            case ReadModeSC.ALLOW_REPLICA:
                infoAttr |= Command.INFO3_SC_READ_RELAX;
                break;

            case ReadModeSC.ALLOW_UNAVAILABLE:
                infoAttr |= Command.INFO3_SC_READ_TYPE | Command.INFO3_SC_READ_RELAX;
                break;
            }

            if (policy.readModeAP == ReadModeAP.ALL)
            {
                readAttr |= Command.INFO1_READ_MODE_AP_ALL;
            }

            dataOffset += 8;

            // Write all header data except total size which must be written last.
            dataBuffer[dataOffset++] = MSG_REMAINING_HEADER_SIZE;             // Message header length.
            dataBuffer[dataOffset++] = (byte)readAttr;
            dataBuffer[dataOffset++] = (byte)writeAttr;
            dataBuffer[dataOffset++] = (byte)infoAttr;

            for (int i = 0; i < 10; i++)
            {
                dataBuffer[dataOffset++] = 0;
            }
            dataOffset += ByteUtil.IntToBytes((uint)policy.totalTimeout, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)fieldCount, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, dataOffset);
        }
        /// <summary>
        /// Generic header write.
        /// </summary>
        protected internal void WriteHeader(Policy policy, int readAttr, int writeAttr, int fieldCount, int operationCount)
        {
            if (policy.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            // Write all header data except total size which must be written last.
            dataBuffer[8]  = MSG_REMAINING_HEADER_SIZE;            // Message header length.
            dataBuffer[9]  = (byte)readAttr;
            dataBuffer[10] = (byte)writeAttr;

            for (int i = 11; i < 26; i++)
            {
                dataBuffer[i] = 0;
            }
            ByteUtil.ShortToBytes((ushort)fieldCount, dataBuffer, 26);
            ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, 28);
            dataOffset = MSG_TOTAL_HEADER_SIZE;
        }
            public override int Write(byte[] buf, int offset)
            {
                // Write value type
                ByteUtil.ShortToBytes(type, buf, offset);
                offset += 2;

                // Write value
                int len = ByteUtil.StringToUtf8(value, buf, offset + 4 + 1 + 2);

                ByteUtil.IntToBytes((uint)(len + 1 + 2), buf, offset);
                offset += 4;

                buf[offset] = 0;                 // flags
                offset     += 1;

                ByteUtil.ShortToBytes(0, buf, offset);                 // ncells
                offset += 2;

                offset += len;
                return(offset);
            }
Example #12
0
        /// <summary>
        /// Header write for write operations.
        /// </summary>
        private void WriteHeader(WritePolicy policy, int readAttr, int writeAttr, int fieldCount, int operationCount)
        {
            // Set flags.
            int generation = 0;
            int infoAttr   = 0;

            switch (policy.recordExistsAction)
            {
            case RecordExistsAction.UPDATE:
                break;

            case RecordExistsAction.UPDATE_ONLY:
                infoAttr |= Command.INFO3_UPDATE_ONLY;
                break;

            case RecordExistsAction.REPLACE:
                infoAttr |= Command.INFO3_CREATE_OR_REPLACE;
                break;

            case RecordExistsAction.REPLACE_ONLY:
                infoAttr |= Command.INFO3_REPLACE_ONLY;
                break;

            case RecordExistsAction.CREATE_ONLY:
                writeAttr |= Command.INFO2_CREATE_ONLY;
                break;
            }

            switch (policy.generationPolicy)
            {
            case GenerationPolicy.NONE:
                break;

            case GenerationPolicy.EXPECT_GEN_EQUAL:
                generation = policy.generation;
                writeAttr |= Command.INFO2_GENERATION;
                break;

            case GenerationPolicy.EXPECT_GEN_GT:
                generation = policy.generation;
                writeAttr |= Command.INFO2_GENERATION_GT;
                break;
            }

            if (policy.commitLevel == CommitLevel.COMMIT_MASTER)
            {
                infoAttr |= Command.INFO3_COMMIT_MASTER;
            }

            if (policy.linearizeRead)
            {
                infoAttr |= Command.INFO3_LINEARIZE_READ;
            }

            if (policy.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            if (policy.durableDelete)
            {
                writeAttr |= Command.INFO2_DURABLE_DELETE;
            }

            dataOffset += 8;

            // Write all header data except total size which must be written last.
            dataBuffer[dataOffset++] = MSG_REMAINING_HEADER_SIZE;             // Message header length.
            dataBuffer[dataOffset++] = (byte)readAttr;
            dataBuffer[dataOffset++] = (byte)writeAttr;
            dataBuffer[dataOffset++] = (byte)infoAttr;
            dataBuffer[dataOffset++] = 0;             // unused
            dataBuffer[dataOffset++] = 0;             // clear the result code
            dataOffset += ByteUtil.IntToBytes((uint)generation, dataBuffer, dataOffset);
            dataOffset += ByteUtil.IntToBytes((uint)policy.expiration, dataBuffer, dataOffset);
            dataOffset += ByteUtil.IntToBytes((uint)policy.totalTimeout, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)fieldCount, dataBuffer, dataOffset);
            dataOffset += ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, dataOffset);
        }
Example #13
0
        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 fieldCount = 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();
            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.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            WriteHeader(policy, readAttr | Command.INFO1_BATCH, 0, 1, 0);
            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(fieldCount, 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();
        }
Example #14
0
        public void SetBatchRead(BatchPolicy policy, List <BatchRead> records, BatchNode batch)
        {
            // Estimate full row size
            int[]     offsets    = batch.offsets;
            int       max        = batch.offsetsSize;
            ushort    fieldCount = policy.sendSetName ? (ushort)2 : (ushort)1;
            BatchRead prev       = null;

            Begin();
            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.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            WriteHeader(policy, readAttr | Command.INFO1_BATCH, 0, 1, 0);
            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(fieldCount, 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(fieldCount, 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();
        }
        /// <summary>
        /// Header write for write operations.
        /// </summary>
        protected internal void WriteHeader(WritePolicy policy, int readAttr, int writeAttr, int fieldCount, int operationCount)
        {
            // Set flags.
            int generation = 0;
            int infoAttr   = 0;

            switch (policy.recordExistsAction)
            {
            case RecordExistsAction.UPDATE:
                break;

            case RecordExistsAction.UPDATE_ONLY:
                infoAttr |= Command.INFO3_UPDATE_ONLY;
                break;

            case RecordExistsAction.REPLACE:
                infoAttr |= Command.INFO3_CREATE_OR_REPLACE;
                break;

            case RecordExistsAction.REPLACE_ONLY:
                infoAttr |= Command.INFO3_REPLACE_ONLY;
                break;

            case RecordExistsAction.CREATE_ONLY:
                writeAttr |= Command.INFO2_CREATE_ONLY;
                break;
            }

            switch (policy.generationPolicy)
            {
            case GenerationPolicy.NONE:
                break;

            case GenerationPolicy.EXPECT_GEN_EQUAL:
                generation = policy.generation;
                writeAttr |= Command.INFO2_GENERATION;
                break;

            case GenerationPolicy.EXPECT_GEN_GT:
                generation = policy.generation;
                writeAttr |= Command.INFO2_GENERATION_GT;
                break;
            }

            if (policy.commitLevel == CommitLevel.COMMIT_MASTER)
            {
                infoAttr |= Command.INFO3_COMMIT_MASTER;
            }

            if (policy.consistencyLevel == ConsistencyLevel.CONSISTENCY_ALL)
            {
                readAttr |= Command.INFO1_CONSISTENCY_ALL;
            }

            // Write all header data except total size which must be written last.
            dataBuffer[8]  = MSG_REMAINING_HEADER_SIZE;            // Message header length.
            dataBuffer[9]  = (byte)readAttr;
            dataBuffer[10] = (byte)writeAttr;
            dataBuffer[11] = (byte)infoAttr;
            dataBuffer[12] = 0;             // unused
            dataBuffer[13] = 0;             // clear the result code
            ByteUtil.IntToBytes((uint)generation, dataBuffer, 14);
            ByteUtil.IntToBytes((uint)policy.expiration, dataBuffer, 18);

            // Initialize timeout. It will be written later.
            dataBuffer[22] = 0;
            dataBuffer[23] = 0;
            dataBuffer[24] = 0;
            dataBuffer[25] = 0;

            ByteUtil.ShortToBytes((ushort)fieldCount, dataBuffer, 26);
            ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, 28);
            dataOffset = MSG_TOTAL_HEADER_SIZE;
        }
        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;
            int   rowSize        = 30 + FIELD_HEADER_SIZE + 31;    // Row's header(30) + max namespace(31).
            int   operationCount = 0;

            if (binNames != null)
            {
                foreach (string binName in binNames)
                {
                    EstimateOperationSize(binName);
                }
                rowSize       += dataOffset;
                operationCount = binNames.Length;
            }

            // Estimate buffer size.
            Begin();
            dataOffset += FIELD_HEADER_SIZE + 5;

            string prevNamespace = null;

            for (int i = 0; i < max; i++)
            {
                Key key = keys[offsets[i]];

                // Try reference equality in hope that namespace for all keys is set from a fixed variable.
                if (key.ns == prevNamespace || (prevNamespace != null && prevNamespace.Equals(key.ns)))
                {
                    // Can set repeat previous namespace/bin names to save space.
                    dataOffset += 25;
                }
                else
                {
                    // Must write full header and namespace/bin names.
                    dataOffset   += rowSize;
                    prevNamespace = key.ns;
                }
            }

            SizeBuffer();

            WriteHeader(policy, readAttr | Command.INFO1_BATCH, 0, 1, 0);
            int fieldSizeOffset = dataOffset;

            WriteFieldHeader(0, 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;
            prevNamespace            = 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 (key.ns == prevNamespace || (prevNamespace != null && prevNamespace.Equals(key.ns)))
                {
                    // 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;
                    dataBuffer[dataOffset++] = 0;                     // pad
                    dataBuffer[dataOffset++] = 0;                     // pad
                    ByteUtil.ShortToBytes((ushort)operationCount, dataBuffer, dataOffset);
                    dataOffset += 2;
                    WriteField(key.ns, FieldType.NAMESPACE);

                    if (binNames != null)
                    {
                        foreach (string binName in binNames)
                        {
                            WriteOperation(binName, Operation.Type.READ);
                        }
                    }
                    prevNamespace = key.ns;
                }
            }

            // Write real field size.
            ByteUtil.IntToBytes((uint)(dataOffset - MSG_TOTAL_HEADER_SIZE - 4), dataBuffer, fieldSizeOffset);
            End();
        }