aboutsummaryrefslogtreecommitdiffhomepage
path: root/include/grpc++/impl/codegen/proto_utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/grpc++/impl/codegen/proto_utils.h')
-rw-r--r--include/grpc++/impl/codegen/proto_utils.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/grpc++/impl/codegen/proto_utils.h b/include/grpc++/impl/codegen/proto_utils.h
new file mode 100644
index 0000000000..ce177104e0
--- /dev/null
+++ b/include/grpc++/impl/codegen/proto_utils.h
@@ -0,0 +1,76 @@
+/*
+ *
+ * Copyright 2015-2016, 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_PROTO_UTILS_H
+#define GRPCXX_IMPL_CODEGEN_PROTO_UTILS_H
+
+#include <type_traits>
+
+#include <grpc/impl/codegen/byte_buffer.h>
+#include <grpc++/impl/codegen/serialization_traits.h>
+#include <grpc++/impl/codegen/config_protobuf.h>
+#include <grpc++/impl/codegen/status.h>
+
+namespace grpc {
+
+// Serialize the msg into a buffer created inside the function. The caller
+// should destroy the returned buffer when done with it. If serialization fails,
+// false is returned and buffer is left unchanged.
+Status SerializeProto(const grpc::protobuf::Message& msg,
+ grpc_byte_buffer** buffer);
+
+// The caller keeps ownership of buffer and msg.
+Status DeserializeProto(grpc_byte_buffer* buffer, grpc::protobuf::Message* msg,
+ int max_message_size);
+
+template <class T>
+class SerializationTraits<T, typename std::enable_if<std::is_base_of<
+ grpc::protobuf::Message, T>::value>::type> {
+ public:
+ static Status Serialize(const grpc::protobuf::Message& msg,
+ grpc_byte_buffer** buffer, bool* own_buffer) {
+ *own_buffer = true;
+ return SerializeProto(msg, buffer);
+ }
+ static Status Deserialize(grpc_byte_buffer* buffer,
+ grpc::protobuf::Message* msg,
+ int max_message_size) {
+ auto status = DeserializeProto(buffer, msg, max_message_size);
+ grpc_byte_buffer_destroy(buffer);
+ return status;
+ }
+};
+
+} // namespace grpc
+
+#endif // GRPCXX_IMPL_CODEGEN_PROTO_UTILS_H