diff options
Diffstat (limited to 'src/cpp/proto')
-rw-r--r-- | src/cpp/proto/proto_utils.cc | 71 | ||||
-rw-r--r-- | src/cpp/proto/proto_utils.h | 56 |
2 files changed, 127 insertions, 0 deletions
diff --git a/src/cpp/proto/proto_utils.cc b/src/cpp/proto/proto_utils.cc new file mode 100644 index 0000000000..255d1461a9 --- /dev/null +++ b/src/cpp/proto/proto_utils.cc @@ -0,0 +1,71 @@ +/* + * + * Copyright 2014, 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. + * + */ + +#include "src/cpp/proto/proto_utils.h" +#include <grpc++/config.h> + +#include <grpc/grpc.h> +#include <grpc/support/slice.h> +#include <google/protobuf/message.h> + +namespace grpc { + +bool SerializeProto(const google::protobuf::Message& msg, grpc_byte_buffer** bp) { + grpc::string msg_str; + bool success = msg.SerializeToString(&msg_str); + if (success) { + gpr_slice slice = + gpr_slice_from_copied_buffer(msg_str.data(), msg_str.length()); + *bp = grpc_byte_buffer_create(&slice, 1); + gpr_slice_unref(slice); + } + return success; +} + +bool DeserializeProto(grpc_byte_buffer* buffer, google::protobuf::Message* msg) { + grpc::string msg_string; + grpc_byte_buffer_reader* reader = grpc_byte_buffer_reader_create(buffer); + gpr_slice slice; + while (grpc_byte_buffer_reader_next(reader, &slice)) { + const char* data = reinterpret_cast<const char*>( + slice.refcount ? slice.data.refcounted.bytes + : slice.data.inlined.bytes); + msg_string.append(data, slice.refcount ? slice.data.refcounted.length + : slice.data.inlined.length); + gpr_slice_unref(slice); + } + grpc_byte_buffer_reader_destroy(reader); + return msg->ParseFromString(msg_string); +} + +} // namespace grpc diff --git a/src/cpp/proto/proto_utils.h b/src/cpp/proto/proto_utils.h new file mode 100644 index 0000000000..11471f1acb --- /dev/null +++ b/src/cpp/proto/proto_utils.h @@ -0,0 +1,56 @@ +/* + * + * Copyright 2014, 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 __GRPCPP_INTERNAL_PROTO_PROTO_UTILS_H__ +#define __GRPCPP_INTERNAL_PROTO_PROTO_UTILS_H__ + +struct grpc_byte_buffer; +namespace google { +namespace protobuf { +class Message; +} +} + +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. +bool SerializeProto(const google::protobuf::Message& msg, grpc_byte_buffer** buffer); + +// The caller keeps ownership of buffer and msg. +bool DeserializeProto(grpc_byte_buffer* buffer, google::protobuf::Message* msg); + +} // namespace grpc + +#endif // __GRPCPP_INTERNAL_PROTO_PROTO_UTILS_H__ |