I defined gRPC service as below.
syntax = "proto3";
import "google/protobuf/empty.proto";
service Greeter {
rpc GenGrpc (GenGrpcMsg) returns (google.protobuf.Empty) {}
// rpc to send general IPC
}
message GenGrpcMsg {
string ipc = 1;
}
I called gRPC call by async method like below, ipcStream is string
including some information.
void GrpcClientHandle::sendMsg(const std::string& ipcStream)
{
...
request.set_ipc(ipcStream);
call->response_reader_ = stub_->PrepareAsyncGenGrpc(&call->context_,
request, &cq_);
call->response_reader_->StartCall();
call->response_reader_->Finish(&call->reply_, &call->status_,
(void*)call);
...
}
But cq_.Next() return "Unable to parse request(13)"
AsyncCompleteRpc RPC failed, Reason = Unable to parse request(13)
AsyncCompleteRpc Detail Reason =
{"created":"@1560861469.766302644","description":"Error received from
peer","file":"src/core/lib/surface/call.cc","file_line":1039,"grpc_message":"Unable
to parse request","grpc_status":13}
In case that I set ipc by const string as below, It works fine.
request.set_ipc("ABC");
I wonder what caused this symptom.
Is it a symptom that occurs when abnormal value is included with protobuff
string value?
Or is there any restriction on protobuff string type?
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