protocol-buffers

问题 I am trying to serialize/deserialize my custom class which contains hashtable property using protobuf-net v2. [ProtoContract] public class MyClass { [ProtoMember(1)] public Hashtable MyHashTable { get; set; } } When I call Serializer.Serialize(...) exception appears: No serializer defined for type: System.Collections.Hashtable I try to modify: [ProtoContract] public class MyClass { [ProtoMember(1, DynamicType = true)] public Hashtable MyHashTable { get; set; } } But I have another exception:

问题 Message Data{ optional uint64 userid = 1; repeated string usernames = 2; optional uint32 status = 3; } Case 1 - 'status' contains non-zero value' If status = non-zero value When I use the data__pack(const Data * message ,uint8_t * out) function to pack the data, the length of 'out' is 100, and the function returns 100 (The value 100 is used as an example). Case 2 - 'status' contains value 0 If status = 0 (for same values of userid and username as in Case 1) When I use the data__pack()

问题 I am working on a project in which protobuf and zmq are involved. I have finished it on VS2010 and now want to make it work under Linux. I just installed protobuf and zmq on our Linux server and the Makefile looks like this: g++ -c -D_DEBUG TestTDFAPI_v2.cpp -I ../ g++ -c -D_DEBUG Platform.cpp g++ -c -D_DEBUG PathHelper.cpp g++ -c -D_DEBUG MyStruct.pb.cpp g++ -c -D_DEBUG MyStruct.cpp g++ -o Test_TDFAPI_v2 Platform.o PathHelper.o MyStruct.pb.o MyStruct.o TestTDFAPI_v2.o -l /usr/local/include

问题 I see the function SerializeAsString in the protobuf Python documentation, but like this suggests, this gives me a string version of the binary data. Is there a way of serializing and parsing a binary array of protobuf data using Python? We have a C++ application that stores the protobuf messages as binary data in a file. We'd like to read and write to the file using Python. 回答1: Python strings can hold binary data, therefore SerializeAsString returns binary data. 回答2: I think that strings

问题 In Go, I want to set some response headers from inside my rpc handler implementation. Specifically, I want to set some headers related to cache control. However, when the rpc is defined as unary response, the method signature generated by protoc only includes the request context and request message. This is in contrast to the code generated from a streaming response, which includes the request message and a grpc.ServerStream . Here's an example interface generated by protoc: type CmsServer

问题 I am trying to get protobuf into xcode 4 and work with ios 5. I've done other tutorials none have worked. I have used a script to compile the libraries into arm 7 architecture and then added them to my project. This is the only thing that has worked so far. My issue now is that I am trying to use the c++ generated files; however, I am getting an error saying #include -> lexical or preprocessor issue. Any tips? It only showed this when I tried to run my project on the ipad. Before, it was fine

问题 I'd like to use the protoc command to generate java files I've been following the instructions in the README from github https://github.com/protocolbuffers/protobuf but it just tells you to download the zip file and that the "binary" is already included. However, after downloading the latest (and a couple other versions) and unzipping the files, I can't find the "protoc" binary. Is there some other missing instruction that i'm supposed to follow? P.S. i'm using Mac OS X 回答1: Open https:/

问题 I built a communication library using Protocol Buffers (protobuf-net) using Sockets (TcpListener and TcpClient) and it is working fine, but now a co-worker needs to write a library to communicate with my software using C++. Turns out that I'm using the Serializer.NonGeneric.SerializeWithLengthPrefix and Serializer.NonGeneric.TryDeserializeWithLengthPrefix . Are there equivalent functions in the protobuf C++ libraries? If not, anyone knows how to implement it, or have it implemented to share?

问题 I'm planning on using the rust-protobuf library. I've written a bash script that builds everything (including my code) and builds the .proto files I have into .rs files. The way the documentation tells me to proceed is to specifically just do: mod foo; for each of the .rs files generated. I'm hoping that my users can just drop in new .proto files into a directory, run the build script, and my code will take care of including all of the Rust implementations of the compiled .proto files. I know

问题 I have an Android application implemented with help of cocos2d-x engine. I linked protobuf library to the project and trying to SerializeToStrint() one proto-object: ProtoMessage message; message.set_app_id(1111); message.set_hardware_id("test string"); std::string str; message.SerializeToString(&str); That's builds fine, but when I trying to start application logcat send me next log: 09-14 10:26:51.748 13009 13009 I DEBUG : Build fingerprint: verizon/droid2we_vzw/cdma_droid2we:2.3.4/4.5.1_57