From bc618eed71f1c2a2b69351a6aa60e8bb460773b9 Mon Sep 17 00:00:00 2001
From: chedeti <chedeti@google.com>
Date: Sun, 31 Jul 2016 15:35:51 -0700
Subject: thrift serializer

---
 include/grpc++/impl/codegen/thrift_serializer.h | 148 ++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 include/grpc++/impl/codegen/thrift_serializer.h

(limited to 'include/grpc++/impl/codegen/thrift_serializer.h')

diff --git a/include/grpc++/impl/codegen/thrift_serializer.h b/include/grpc++/impl/codegen/thrift_serializer.h
new file mode 100644
index 0000000000..315d76cf2a
--- /dev/null
+++ b/include/grpc++/impl/codegen/thrift_serializer.h
@@ -0,0 +1,148 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+ #ifndef GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_H
+ #define GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_H
+
+#include <memory>
+#include <string>
+
+#include <thrift/protocol/TBinaryProtocol.h>
+#include <thrift/protocol/TCompactProtocol.h>
+#include <thrift/transport/TBufferTransports.h>
+#include <thrift/transport/TTransportUtils.h>
+#include <grpc/impl/codegen/byte_buffer.h>
+
+namespace apache {
+namespace thrift {
+namespace util {
+
+using apache::thrift::protocol::TBinaryProtocolT;
+using apache::thrift::protocol::TCompactProtocolT;
+using apache::thrift::protocol::TNetworkBigEndian;
+using apache::thrift::transport::TMemoryBuffer;
+using apache::thrift::transport::TBufferBase;
+using apache::thrift::transport::TTransport;
+using std::shared_ptr;
+
+
+template <typename Dummy, typename P>
+class ThriftSerializer {
+public:
+  ThriftSerializer()
+  : prepared_ (false)
+  , lastDeserialized_ (false)
+  , serializeVersion_ (false) {}
+
+  /**
+   * Serialize the passed type into the internal buffer
+   * and returns a pointer to internal buffer and its size
+   *
+   */
+  template <typename T>
+  void serialize(const T& fields, const uint8_t** serializedBuffer,
+      size_t* serializedLen);
+
+  /**
+   * Serialize the passed type into the byte buffer
+   */
+  template <typename T>
+  void serialize(const T& fields, grpc_byte_buffer** bp);
+
+  /**
+   * Deserialize the passed char array into  the passed type, returns the number
+   * of bytes that have been consumed from the passed string.
+   */
+  template <typename T>
+  uint32_t deserialize(const uint8_t* serializedBuffer, size_t length,
+      T* fields);
+
+  /**
+   * Deserialize the passed byte buffer to passed type, returns the number
+   * of bytes consumed from byte buffer
+   */
+  template <typename T>
+  uint32_t deserialize(grpc_byte_buffer* buffer, T* msg);
+
+  void setSerializeVersion(bool value);
+
+  virtual ~ThriftSerializer() {}
+
+
+  /**
+   * Set the container size limit to deserialize
+   * This function should be called after buffer_ is initialized
+   */
+  void setContainerSizeLimit(int32_t container_limit) {
+    if (!prepared_) {
+      prepare();
+    }
+    protocol_->setContainerSizeLimit(container_limit);
+  }
+
+  /**
+   * Set the string size limit to deserialize
+   * This function should be called after buffer_ is initialized
+   */
+  void setStringSizeLimit(int32_t string_limit) {
+    if (!prepared_) {
+      prepare();
+    }
+    protocol_->setStringSizeLimit(string_limit);
+  }
+
+
+  private:
+    void prepare();
+
+  private:
+    typedef P Protocol;
+    bool prepared_;
+    bool lastDeserialized_;
+    boost::shared_ptr<TMemoryBuffer> buffer_;
+    shared_ptr<Protocol> protocol_;
+    bool serializeVersion_;
+}; // ThriftSerializer
+
+template <typename Dummy = void>
+struct ThriftSerializerBinary : public ThriftSerializer<Dummy, TBinaryProtocolT<TBufferBase, TNetworkBigEndian> > {};
+
+
+template <typename Dummy = void>
+struct ThriftSerializerCompact : public ThriftSerializer<Dummy, TCompactProtocolT<TBufferBase> >{ };
+
+}}} // namespace apache::thrift::util
+
+#include <grpc++/impl/codegen/thrift_serializer_inl.h>
+
+#endif
-- 
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