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Posted to commits@ignite.apache.org by sb...@apache.org on 2015/09/04 18:27:20 UTC
[06/55] [abbrv] ignite git commit: IGNITE-1364: Moved CPP module to
Ignite.
http://git-wip-us.apache.org/repos/asf/ignite/blob/58a665aa/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_reader_impl.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_reader_impl.h b/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_reader_impl.h
new file mode 100644
index 0000000..7d82aa2
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_reader_impl.h
@@ -0,0 +1,1130 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+#ifndef _IGNITE_IMPL_PORTABLE_READER
+#define _IGNITE_IMPL_PORTABLE_READER
+
+#include <stdint.h>
+
+#include <ignite/common/common.h>
+
+#include "ignite/impl/interop/interop_input_stream.h"
+#include "ignite/impl/portable/portable_common.h"
+#include "ignite/impl/portable/portable_id_resolver.h"
+#include "ignite/impl/portable/portable_utils.h"
+#include "ignite/impl/utils.h"
+#include "ignite/portable/portable_consts.h"
+#include "ignite/portable/portable_type.h"
+#include "ignite/guid.h"
+
+namespace ignite
+{
+ namespace impl
+ {
+ namespace portable
+ {
+ /**
+ * Internal implementation of portable reader.
+ */
+ class IGNITE_IMPORT_EXPORT PortableReaderImpl
+ {
+ public:
+ /**
+ * Constructor.
+ *
+ * @param stream Interop stream.
+ * @param idRslvr Portable ID resolver.
+ * @param pos Object position in the stream.
+ * @param usrType user type flag.
+ * @param typeId Type ID.
+ * @param hashcode Hash code.
+ * @param len Length in bytes.
+ * @param rawOff Raw data offset.
+ */
+ PortableReaderImpl(interop::InteropInputStream* stream, PortableIdResolver* idRslvr,
+ int32_t pos, bool usrType, int32_t typeId, int32_t hashCode, int32_t len, int32_t rawOff);
+
+ /**
+ * Constructor used to construct light-weight reader allowing only raw operations
+ * and read of primitives.
+ *
+ * @param stream Interop stream.
+ */
+ PortableReaderImpl(interop::InteropInputStream* stream);
+
+ /**
+ * Read 8-byte signed integer. Maps to "byte" type in Java.
+ *
+ * @return Result.
+ */
+ int8_t ReadInt8();
+
+ /**
+ * Read array of 8-byte signed integers. Maps to "byte[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt8Array(int8_t* res, const int32_t len);
+
+ /**
+ * Read 8-byte signed integer. Maps to "byte" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ int8_t ReadInt8(const char* fieldName);
+
+ /**
+ * Read array of 8-byte signed integers. Maps to "byte[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt8Array(const char* fieldName, int8_t* res, const int32_t len);
+
+ /**
+ * Read bool. Maps to "boolean" type in Java.
+ *
+ * @return Result.
+ */
+ bool ReadBool();
+
+ /**
+ * Read bool array. Maps to "boolean[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadBoolArray(bool* res, const int32_t len);
+
+ /**
+ * Read bool. Maps to "short" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ bool ReadBool(const char* fieldName);
+
+ /**
+ * Read bool array. Maps to "bool[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadBoolArray(const char* fieldName, bool* res, const int32_t len);
+
+ /**
+ * Read 16-byte signed integer. Maps to "short" type in Java.
+ *
+ * @return Result.
+ */
+ int16_t ReadInt16();
+
+ /**
+ * Read array of 16-byte signed integers. Maps to "short[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt16Array(int16_t* res, const int32_t len);
+
+ /**
+ * Read 16-byte signed integer. Maps to "short" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ int16_t ReadInt16(const char* fieldName);
+
+ /**
+ * Read array of 16-byte signed integers. Maps to "short[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt16Array(const char* fieldName, int16_t* res, const int32_t len);
+
+ /**
+ * Read 16-byte unsigned integer. Maps to "char" type in Java.
+ *
+ * @return Result.
+ */
+ uint16_t ReadUInt16();
+
+ /**
+ * Read array of 16-byte unsigned integers. Maps to "char[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadUInt16Array(uint16_t* res, const int32_t len);
+
+ /**
+ * Read 16-byte unsigned integer. Maps to "char" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ uint16_t ReadUInt16(const char* fieldName);
+
+ /**
+ * Read array of 16-byte unsigned integers. Maps to "char[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadUInt16Array(const char* fieldName, uint16_t* res, const int32_t len);
+
+ /**
+ * Read 32-byte signed integer. Maps to "int" type in Java.
+ *
+ * @return Result.
+ */
+ int32_t ReadInt32();
+
+ /**
+ * Read array of 32-byte signed integers. Maps to "int[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt32Array(int32_t* res, const int32_t len);
+
+ /**
+ * Read 32-byte signed integer. Maps to "int" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ int32_t ReadInt32(const char* fieldName);
+
+ /**
+ * Read array of 32-byte signed integers. Maps to "int[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt32Array(const char* fieldName, int32_t* res, const int32_t len);
+
+ /**
+ * Read 64-byte signed integer. Maps to "long" type in Java.
+ *
+ * @return Result.
+ */
+ int64_t ReadInt64();
+
+ /**
+ * Read array of 64-byte signed integers. Maps to "long[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt64Array(int64_t* res, const int32_t len);
+
+ /**
+ * Read 64-byte signed integer. Maps to "long" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ int64_t ReadInt64(const char* fieldName);
+
+ /**
+ * Read array of 64-byte signed integers. Maps to "long[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadInt64Array(const char* fieldName, int64_t* res, const int32_t len);
+
+ /**
+ * Read float. Maps to "float" type in Java.
+ *
+ * @return Result.
+ */
+ float ReadFloat();
+
+ /**
+ * Read float array. Maps to "float[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadFloatArray(float* res, const int32_t len);
+
+ /**
+ * Read float. Maps to "float" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ float ReadFloat(const char* fieldName);
+
+ /**
+ * Read float array. Maps to "float[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadFloatArray(const char* fieldName, float* res, const int32_t len);
+
+ /**
+ * Read double. Maps to "double" type in Java.
+ *
+ * @return Result.
+ */
+ double ReadDouble();
+
+ /**
+ * Read double array. Maps to "double[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadDoubleArray(double* res, const int32_t len);
+
+ /**
+ * Read double. Maps to "double" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ double ReadDouble(const char* fieldName);
+
+ /**
+ * Read double array. Maps to "double[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadDoubleArray(const char* fieldName, double* res, const int32_t len);
+
+ /**
+ * Read Guid. Maps to "UUID" type in Java.
+ *
+ * @return Result.
+ */
+ Guid ReadGuid();
+
+ /**
+ * Read array of Guids. Maps to "UUID[]" type in Java.
+ *
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadGuidArray(Guid* res, const int32_t len);
+
+ /**
+ * Read Guid. Maps to "UUID" type in Java.
+ *
+ * @param fieldName Field name.
+ * @return Result.
+ */
+ Guid ReadGuid(const char* fieldName);
+
+ /**
+ * Read array of Guids. Maps to "UUID[]" type in Java.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to.
+ * @param len Expected length of array.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadGuidArray(const char* fieldName, Guid* res, const int32_t len);
+
+ /**
+ * Read string.
+ *
+ * @param len Expected length of string.
+ * @param res Array to store data to (should be able to acocmodate null-terminator).
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadString(char* res, const int32_t len);
+
+ /**
+ * Read string.
+ *
+ * @param fieldName Field name.
+ * @param res Array to store data to (should be able to acocmodate null-terminator).
+ * @param len Expected length of string.
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadString(const char* fieldName, char* res, const int32_t len);
+
+ /**
+ * Start string array read.
+ *
+ * @param size Array size.
+ * @return Read session ID.
+ */
+ int32_t ReadStringArray(int32_t* size);
+
+ /**
+ * Start string array read.
+ *
+ * @param fieldName Field name.
+ * @param size Array size.
+ * @return Read session ID.
+ */
+ int32_t ReadStringArray(const char* fieldName, int32_t* size);
+
+ /**
+ * Read string element.
+ *
+ * @param id Session ID.
+ * @param len Expected length of string.
+ * @param res Array to store data to (should be able to acocmodate null-terminator).
+ * @return Actual amount of elements read. If "len" argument is less than actual
+ * array size or resulting array is set to null, nothing will be written
+ * to resulting array and returned value will contain required array length.
+ * -1 will be returned in case array in stream was null.
+ */
+ int32_t ReadStringElement(int32_t id, char* res, const int32_t len);
+
+ /**
+ * Start array read.
+ *
+ * @param size Array size.
+ * @return Read session ID.
+ */
+ int32_t ReadArray(int32_t* size);
+
+ /**
+ * Start array read.
+ *
+ * @param fieldName Field name.
+ * @param size Array size.
+ * @return Read session ID.
+ */
+ int32_t ReadArray(const char* fieldName, int32_t* size);
+
+ /**
+ * Start collection read.
+ *
+ * @param typ Collection type.
+ * @param size Collection size.
+ * @return Read session ID.
+ */
+ int32_t ReadCollection(ignite::portable::CollectionType* typ, int32_t* size);
+
+ /**
+ * Start collection read.
+ *
+ * @param fieldName Field name.
+ * @param typ Collection type.
+ * @param size Collection size.
+ * @return Read session ID.
+ */
+ int32_t ReadCollection(const char* fieldName, ignite::portable::CollectionType* typ, int32_t* size);
+
+ /**
+ * Start map read.
+ *
+ * @param typ Map type.
+ * @param size Map size.
+ * @return Read session ID.
+ */
+ int32_t ReadMap(ignite::portable::MapType* typ, int32_t* size);
+
+ /**
+ * Start map read.
+ *
+ * @param fieldName Field name.
+ * @param typ Map type.
+ * @param size Map size.
+ * @return Read session ID.
+ */
+ int32_t ReadMap(const char* fieldName, ignite::portable::MapType* typ, int32_t* size);
+
+ /**
+ * Check whether next value exists.
+ *
+ * @param id Session ID.
+ * @return True if next element exists for the given session.
+ */
+ bool HasNextElement(int32_t id);
+
+ /**
+ * Read element.
+ *
+ * @param id Session ID.
+ * @return Value.
+ */
+ template<typename T>
+ T ReadElement(const int32_t id)
+ {
+ CheckSession(id);
+
+ if (++elemRead == elemCnt) {
+ elemId = 0;
+ elemCnt = -1;
+ elemRead = 0;
+ }
+
+ return ReadTopObject<T>();
+ }
+
+ /**
+ * Read element.
+ *
+ * @param id Session ID.
+ * @param key Key.
+ * @param val Value.
+ */
+ template<typename K, typename V>
+ void ReadElement(const int32_t id, K* key, V* val)
+ {
+ CheckSession(id);
+
+ if (++elemRead == elemCnt) {
+ elemId = 0;
+ elemCnt = -1;
+ elemRead = 0;
+ }
+
+ *key = ReadTopObject<K>();
+ *val = ReadTopObject<V>();
+ }
+
+ /**
+ * Read object.
+ *
+ * @return Object.
+ */
+ template<typename T>
+ T ReadObject()
+ {
+ CheckRawMode(true);
+
+ return ReadTopObject<T>();
+ }
+
+ /**
+ * Read object.
+ *
+ * @param fieldName Field name.
+ * @return Object.
+ */
+ template<typename T>
+ T ReadObject(const char* fieldName)
+ {
+ CheckRawMode(false);
+
+ int32_t fieldId = idRslvr->GetFieldId(typeId, fieldName);
+
+ int32_t fieldLen = SeekField(fieldId);
+
+ if (fieldLen > 0)
+ return ReadTopObject<T>();
+
+ return GetNull<T>();
+ }
+
+ /**
+ * Set raw mode.
+ */
+ void SetRawMode();
+
+ /**
+ * Read object.
+ *
+ * @param obj Object to write.
+ */
+ template<typename T>
+ T ReadTopObject()
+ {
+ int32_t pos = stream->Position();
+ int8_t hdr = stream->ReadInt8();
+
+ if (hdr == IGNITE_HDR_NULL)
+ return GetNull<T>();
+ else if (hdr == IGNITE_HDR_HND) {
+ IGNITE_ERROR_1(ignite::IgniteError::IGNITE_ERR_PORTABLE, "Circular references are not supported.");
+ }
+ else if (hdr == IGNITE_TYPE_PORTABLE)
+ {
+ int32_t portLen = stream->ReadInt32(); // Total length of portable object.
+ int32_t curPos = stream->Position();
+ int32_t portOff = stream->ReadInt32(curPos + portLen);
+
+ stream->Position(curPos + portOff); // Position stream right on the object.
+
+ T val = ReadTopObject<T>();
+
+ stream->Position(curPos + portLen + 4); // Position stream after portable.
+
+ return val;
+ }
+ else
+ {
+ bool usrType = stream->ReadBool();
+ int32_t typeId = stream->ReadInt32();
+ int32_t hashCode = stream->ReadInt32();
+ int32_t len = stream->ReadInt32();
+ int32_t rawOff = stream->ReadInt32();
+
+ ignite::portable::PortableType<T> type;
+ TemplatedPortableIdResolver<T> idRslvr(type);
+ PortableReaderImpl readerImpl(stream, &idRslvr, pos, usrType, typeId, hashCode, len, rawOff);
+ ignite::portable::PortableReader reader(&readerImpl);
+
+ T val = type.Read(reader);
+
+ stream->Position(pos + len);
+
+ return val;
+ }
+ }
+
+ /**
+ * Get NULL value for the given type.
+ */
+ template<typename T>
+ T GetNull()
+ {
+ ignite::portable::PortableType<T> type;
+
+ return type.GetNull();
+ }
+
+ /**
+ * Get underlying stream.
+ *
+ * @return Stream.
+ */
+ impl::interop::InteropInputStream* GetStream();
+ private:
+ /** Underlying stream. */
+ interop::InteropInputStream* stream;
+
+ /** ID resolver. */
+ PortableIdResolver* idRslvr;
+
+ /** Position in the stream where this object starts. */
+ int32_t pos;
+
+ /** Whether this is user type or system type. */
+ bool usrType;
+
+ /** Type ID as defined in the stream. */
+ int32_t typeId;
+
+ /** Hash code. */
+ int32_t hashCode;
+
+ /** Total object length in the stream. */
+ int32_t len;
+
+ /** Raw data offset. */
+ int32_t rawOff;
+
+ /** Raw mode flag. */
+ bool rawMode;
+
+ /** Elements read session ID generator. */
+ int32_t elemIdGen;
+
+ /** Elements read session ID. */
+ int32_t elemId;
+
+ /** Total amount of elements in collection. */
+ int32_t elemCnt;
+
+ /** Amount of elements read. */
+ int32_t elemRead;
+
+ IGNITE_NO_COPY_ASSIGNMENT(PortableReaderImpl)
+
+ /**
+ * Internal routine to read Guid array.
+ *
+ * @param stream Stream.
+ * @param res Resulting array.
+ * @param len Length.
+ */
+ static void ReadGuidArrayInternal(
+ interop::InteropInputStream* stream,
+ Guid* res,
+ const int32_t len
+ );
+
+ /**
+ * Read single value in raw mode.
+ *
+ * @param stream Stream.
+ * @param func Function to be invoked on stream.
+ * @return Result.
+ */
+ template<typename T>
+ T ReadRaw(
+ T(*func) (interop::InteropInputStream*)
+ )
+ {
+ {
+ CheckRawMode(true);
+ CheckSingleMode(true);
+
+ return func(stream);
+ }
+ }
+
+ /**
+ * Read single value.
+ *
+ * @param fieldName Field name.
+ * @param func Function to be invoked on stream.
+ * @param epxHdr Expected header.
+ * @param dflt Default value returned if field is not found.
+ * @return Result.
+ */
+ template<typename T>
+ T Read(
+ const char* fieldName,
+ T(*func) (interop::InteropInputStream*),
+ const int8_t expHdr,
+ T dflt
+ )
+ {
+ {
+ CheckRawMode(false);
+ CheckSingleMode(true);
+
+ int32_t fieldId = idRslvr->GetFieldId(typeId, fieldName);
+ int32_t fieldLen = SeekField(fieldId);
+
+ if (fieldLen > 0)
+ {
+ int8_t typeId = stream->ReadInt8();
+
+ if (typeId == expHdr)
+ return func(stream);
+ else if (typeId != IGNITE_HDR_NULL)
+ {
+ int32_t pos = stream->Position();
+
+ IGNITE_ERROR_FORMATTED_3(IgniteError::IGNITE_ERR_PORTABLE, "Invalid type ID",
+ "position", pos, "expected", expHdr, "actual", typeId)
+ }
+ }
+
+ return dflt;
+ }
+ }
+
+ /**
+ * Read array in raw mode.
+ *
+ * @param res Resulting array.
+ * @param len Length.
+ * @param func Function to be invoked on stream.
+ * @param expHdr Expected header.
+ * @return Length.
+ */
+ template<typename T>
+ int32_t ReadRawArray(
+ T* res,
+ const int32_t len,
+ void(*func)(interop::InteropInputStream*, T* const, const int32_t),
+ const int8_t expHdr
+ )
+ {
+ {
+ CheckRawMode(true);
+ CheckSingleMode(true);
+
+ return ReadArrayInternal(res, len, stream, func, expHdr);
+ }
+ }
+
+ /**
+ * Read array.
+ *
+ * @param fieldName Field name.
+ * @param res Resulting array.
+ * @param len Length.
+ * @param func Function to be invoked on stream.
+ * @param expHdr Expected header.
+ * @return Length.
+ */
+ template<typename T>
+ int32_t ReadArray(
+ const char* fieldName,
+ T* res,
+ const int32_t len,
+ void(*func)(interop::InteropInputStream*, T* const, const int32_t),
+ const int8_t expHdr
+ )
+ {
+ {
+ CheckRawMode(false);
+ CheckSingleMode(true);
+
+ int32_t pos = stream->Position();
+
+ int32_t fieldId = idRslvr->GetFieldId(typeId, fieldName);
+ int32_t fieldLen = SeekField(fieldId);
+
+ if (fieldLen > 0) {
+ int32_t realLen = ReadArrayInternal(res, len, stream, func, expHdr);
+
+ // If actual read didn't occur return to initial position so that we do not perform
+ // N jumps to find the field again, where N is total amount of fields.
+ if (realLen != -1 && (!res || realLen > len))
+ stream->Position(pos);
+
+ return realLen;
+ }
+
+ return -1;
+ }
+ }
+
+ /**
+ * Internal read array routine.
+ *
+ * @param res Resulting array.
+ * @param len Length.
+ * @param stream Stream.
+ * @param func Function to be invoked on stream.
+ * @param expHdr Expected header.
+ * @return Length.
+ */
+ template<typename T>
+ static int32_t ReadArrayInternal(
+ T* res,
+ const int32_t len,
+ interop::InteropInputStream* stream,
+ void(*func)(interop::InteropInputStream*, T* const, const int32_t),
+ const int8_t expHdr
+ )
+ {
+ {
+ int8_t hdr = stream->ReadInt8();
+
+ if (hdr == expHdr)
+ {
+ int32_t realLen = stream->ReadInt32();
+
+ if (realLen == 0 || (res && len >= realLen))
+ func(stream, res, realLen);
+ else
+ stream->Position(stream->Position() - 5);
+
+ return realLen;
+ }
+ else if (hdr != IGNITE_HDR_NULL)
+ ThrowOnInvalidHeader(stream->Position() - 1, expHdr, hdr);
+
+ return -1;
+ }
+ }
+
+ /**
+ * Read nullable value.
+ *
+ * @param stream Stream.
+ * @param func Function to be invoked on stream.
+ * @param expHdr Expected header.
+ */
+ template<typename T>
+ static T ReadNullable(
+ interop::InteropInputStream* stream,
+ T(*func)(interop::InteropInputStream*),
+ const int8_t expHdr
+ )
+ {
+ {
+ int8_t hdr = stream->ReadInt8();
+
+ if (hdr == expHdr)
+ return func(stream);
+ else if (hdr == IGNITE_HDR_NULL)
+ return Guid();
+ else {
+ ThrowOnInvalidHeader(stream->Position() - 1, expHdr, hdr);
+
+ return Guid();
+ }
+ }
+ }
+
+ /**
+ * Seek field with the given ID.
+ *
+ * @param fieldId Field ID.
+ * @return Field length or -1 if field is not found.
+ */
+ int32_t SeekField(const int32_t fieldId);
+
+ /**
+ * Check raw mode.
+ *
+ * @param expected Expected raw mode of the reader.
+ */
+ void CheckRawMode(bool expected);
+
+ /**
+ * Check whether reader is currently operating in single mode.
+ *
+ * @param expected Expected value.
+ */
+ void CheckSingleMode(bool expected);
+
+ /**
+ * Start new container reader session.
+ *
+ * @param expRawMode Expected raw mode.
+ * @param expHdr Expected header.
+ * @param size Container size.
+ * @return Session ID.
+ */
+ int32_t StartContainerSession(const bool expRawMode, const int8_t expHdr, int32_t* size);
+
+ /**
+ * Check whether session ID matches.
+ *
+ * @param ses Expected session ID.
+ */
+ void CheckSession(int32_t expSes);
+
+ /**
+ * Throw an error due to invalid header.
+ *
+ * @param pos Position in the stream.
+ * @param expHdr Expected header.
+ * @param hdr Actual header.
+ */
+ static void ThrowOnInvalidHeader(int32_t pos, int8_t expHdr, int8_t hdr);
+
+ /**
+ * Throw an error due to invalid header.
+ *
+ * @param expHdr Expected header.
+ * @param hdr Actual header.
+ */
+ void ThrowOnInvalidHeader(int8_t expHdr, int8_t hdr);
+
+ /**
+ * Internal string read routine.
+ *
+ * @param res Resulting array.
+ * @param len Length of array.
+ * @return Real array length.
+ */
+ int32_t ReadStringInternal(char* res, const int32_t len);
+
+ /**
+ * Read value.
+ *
+ * @param expHdr Expected header.
+ * @param func Function to be applied to the stream.
+ */
+ template<typename T>
+ T ReadTopObject0(const int8_t expHdr, T(*func) (ignite::impl::interop::InteropInputStream*))
+ {
+ int8_t typeId = stream->ReadInt8();
+
+ if (typeId == expHdr)
+ return func(stream);
+ else if (typeId == IGNITE_HDR_NULL)
+ return GetNull<T>();
+ else {
+ int32_t pos = stream->Position() - 1;
+
+ IGNITE_ERROR_FORMATTED_3(IgniteError::IGNITE_ERR_PORTABLE, "Invalid header", "position", pos, "expected", expHdr, "actual", typeId)
+ }
+ }
+
+ /**
+ * Read value.
+ *
+ * @param expHdr Expected header.
+ * @param func Function to be applied to the stream.
+ * @param dflt Default value.
+ */
+ template<typename T>
+ T ReadTopObject0(const int8_t expHdr, T(*func) (ignite::impl::interop::InteropInputStream*), T dflt)
+ {
+ int8_t typeId = stream->ReadInt8();
+
+ if (typeId == expHdr)
+ return func(stream);
+ else if (typeId == IGNITE_HDR_NULL)
+ return dflt;
+ else {
+ int32_t pos = stream->Position() - 1;
+
+ IGNITE_ERROR_FORMATTED_3(IgniteError::IGNITE_ERR_PORTABLE, "Invalid header", "position", pos, "expected", expHdr, "actual", typeId)
+ }
+ }
+ };
+
+ template<>
+ int8_t IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<int8_t>();
+
+ template<>
+ bool IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<bool>();
+
+ template<>
+ int16_t IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<int16_t>();
+
+ template<>
+ uint16_t IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<uint16_t>();
+
+ template<>
+ int32_t IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<int32_t>();
+
+ template<>
+ int64_t IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<int64_t>();
+
+ template<>
+ float IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<float>();
+
+ template<>
+ double IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<double>();
+
+
+ template<>
+ Guid IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<Guid>();
+
+ template<>
+ inline std::string IGNITE_IMPORT_EXPORT PortableReaderImpl::ReadTopObject<std::string>()
+ {
+ int8_t typeId = stream->ReadInt8();
+
+ if (typeId == IGNITE_TYPE_STRING)
+ {
+ bool utf8Mode = stream->ReadBool();
+ int32_t realLen = stream->ReadInt32();
+
+ ignite::impl::utils::SafeArray<char> arr(realLen + 1);
+
+ if (utf8Mode)
+ {
+ for (int i = 0; i < realLen; i++)
+ *(arr.target + i) = static_cast<char>(stream->ReadInt8());
+ }
+ else
+ {
+ for (int i = 0; i < realLen; i++)
+ *(arr.target + i) = static_cast<char>(stream->ReadUInt16());
+ }
+
+ *(arr.target + realLen) = 0;
+
+ return std::string(arr.target);
+ }
+
+ else if (typeId == IGNITE_HDR_NULL)
+ return std::string();
+ else {
+ int32_t pos = stream->Position() - 1;
+
+ IGNITE_ERROR_FORMATTED_3(IgniteError::IGNITE_ERR_PORTABLE, "Invalid header", "position", pos, "expected", IGNITE_TYPE_STRING, "actual", typeId)
+ }
+ }
+ }
+ }
+}
+
+#endif
\ No newline at end of file
http://git-wip-us.apache.org/repos/asf/ignite/blob/58a665aa/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_utils.h
----------------------------------------------------------------------
diff --git a/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_utils.h b/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_utils.h
new file mode 100644
index 0000000..dd16686
--- /dev/null
+++ b/modules/platform/src/main/cpp/core/include/ignite/impl/portable/portable_utils.h
@@ -0,0 +1,344 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+#ifndef _IGNITE_IMPL_PORTABLE_UTILS
+#define _IGNITE_IMPL_PORTABLE_UTILS
+
+#include <stdint.h>
+
+#include "ignite/guid.h"
+
+namespace ignite
+{
+ namespace impl
+ {
+ namespace interop
+ {
+ class InteropInputStream;
+ class InteropOutputStream;
+ }
+
+ namespace portable
+ {
+ /**
+ * Portable uilts.
+ */
+ class IGNITE_IMPORT_EXPORT PortableUtils
+ {
+ public:
+ /**
+ * Utility method to read signed 8-bit integer from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static int8_t ReadInt8(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write signed 8-bit integer to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteInt8(interop::InteropOutputStream* stream, int8_t val);
+
+ /**
+ * Utility method to read signed 8-bit integer array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadInt8Array(interop::InteropInputStream* stream, int8_t* res, const int32_t len);
+
+ /**
+ * Utility method to write signed 8-bit integer array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteInt8Array(interop::InteropOutputStream* stream, const int8_t* val, const int32_t len);
+
+ /**
+ * Utility method to read boolean from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static bool ReadBool(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write bool to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteBool(interop::InteropOutputStream* stream, bool val);
+
+ /**
+ * Utility method to read bool array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadBoolArray(interop::InteropInputStream* stream, bool* res, const int32_t len);
+
+ /**
+ * Utility method to write bool array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteBoolArray(interop::InteropOutputStream* stream, const bool* val, const int32_t len);
+
+ /**
+ * Utility method to read signed 16-bit integer from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static int16_t ReadInt16(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write signed 16-bit integer to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteInt16(interop::InteropOutputStream* stream, int16_t val);
+
+ /**
+ * Utility method to read signed 16-bit integer array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadInt16Array(interop::InteropInputStream* stream, int16_t* res, const int32_t len);
+
+ /**
+ * Utility method to write signed 16-bit integer array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteInt16Array(interop::InteropOutputStream* stream, const int16_t* val, const int32_t len);
+
+ /**
+ * Utility method to read unsigned 16-bit integer from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static uint16_t ReadUInt16(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write unsigned 16-bit integer to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteUInt16(interop::InteropOutputStream* stream, uint16_t val);
+
+ /**
+ * Utility method to read unsigned 16-bit integer array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadUInt16Array(interop::InteropInputStream* stream, uint16_t* res, const int32_t len);
+
+ /**
+ * Utility method to write unsigned 16-bit integer array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteUInt16Array(interop::InteropOutputStream* stream, const uint16_t* val, const int32_t len);
+
+ /**
+ * Utility method to read signed 32-bit integer from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static int32_t ReadInt32(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write signed 32-bit integer to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteInt32(interop::InteropOutputStream* stream, int32_t val);
+
+ /**
+ * Utility method to read signed 32-bit integer array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadInt32Array(interop::InteropInputStream* stream, int32_t* res, const int32_t len);
+
+ /**
+ * Utility method to write signed 32-bit integer array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteInt32Array(interop::InteropOutputStream* stream, const int32_t* val, const int32_t len);
+
+ /**
+ * Utility method to read signed 64-bit integer from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static int64_t ReadInt64(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write signed 64-bit integer to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteInt64(interop::InteropOutputStream* stream, int64_t val);
+
+ /**
+ * Utility method to read signed 64-bit integer array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadInt64Array(interop::InteropInputStream* stream, int64_t* res, const int32_t len);
+
+ /**
+ * Utility method to write signed 64-bit integer array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteInt64Array(interop::InteropOutputStream* stream, const int64_t* val, const int32_t len);
+
+ /**
+ * Utility method to read float from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static float ReadFloat(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write float to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteFloat(interop::InteropOutputStream* stream, float val);
+
+ /**
+ * Utility method to read float array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadFloatArray(interop::InteropInputStream* stream, float* res, const int32_t len);
+
+ /**
+ * Utility method to write float array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteFloatArray(interop::InteropOutputStream* stream, const float* val, const int32_t len);
+
+ /**
+ * Utility method to read double from stream.
+ *
+ * @param stream Stream.
+ * @return Value.
+ */
+ static double ReadDouble(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write double to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteDouble(interop::InteropOutputStream* stream, double val);
+
+ /**
+ * Utility method to read double array from stream.
+ *
+ * @param stream Stream.
+ * @param res Target array.
+ * @param len Array length.
+ */
+ static void ReadDoubleArray(interop::InteropInputStream* stream, double* res, const int32_t len);
+
+ /**
+ * Utility method to write double array to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Array length.
+ */
+ static void WriteDoubleArray(interop::InteropOutputStream* stream, const double* val, const int32_t len);
+
+ /**
+ * Utility method to read Guid from stream.
+ *
+ * @param stream Stream.
+ * @param res Value.
+ */
+ static Guid ReadGuid(interop::InteropInputStream* stream);
+
+ /**
+ * Utility method to write Guid to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ */
+ static void WriteGuid(interop::InteropOutputStream* stream, const Guid val);
+
+ /**
+ * Utility method to write string to stream.
+ *
+ * @param stream Stream.
+ * @param val Value.
+ * @param len Length.
+ */
+ static void WriteString(interop::InteropOutputStream* stream, const char* val, const int32_t len);
+ };
+ }
+ }
+}
+
+#endif
\ No newline at end of file