lzfhust opened a new issue, #1789:
URL: https://github.com/apache/incubator-brpc/issues/1789
**Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)**
当前brpc对thrift协议，仅支持单个参数。thrift协议的多参数形式应用广泛，国内一些公司内部也在使用。希望brpc官方也能支持多参数
**Describe the solution you'd like (描述你期望的解决方法)**
brpc同时支持单参数、多参数
**Describe alternatives you've considered (描述你想到的折衷方案)**
**Additional context/screenshots (更多上下文/截图)**
1). 通过 xxx_args来实现多参数：
1.1. client:
example::EchoService_Echo_args real_req;
example::Context context;
example::EchoRequest req2;
example::EchoResponse res;
req2.__set_data("hello");
real_req.context = std::move(context);
real_req.request2 = std::move(req2);
LOG(INFO) << "request data:" << real_req.request2.data;
stub.CallMethod("Echo", &cntl, &real_req, &res, NULL);
1.2. server:
void ProcessThriftFramedRequest(brpc::Controller* cntl,
brpc::ThriftFramedMessage* req,
brpc::ThriftFramedMessage* res,
google::protobuf::Closure* done)
override {
// Dispatch calls to different methods
if (cntl->thrift_method_name() == "Echo") {
return Echo(cntl, req->Cast<example::EchoService_Echo_args>(),
res->Cast<example::EchoResponse>(), done);
}
1.3. thrift_protocol.cpp
在 ReadThriftStruct中，直接读，即： xfer += raw_msg->Read(&iprot);
在 ThriftClosure::DoRun中，直接写回：xfer += _response.raw_instance()->Write(&oprot);
这样，可以支持多参数。
2). 遇到的问题：
如何和单参数兼容？
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