PROST! a Protocol Buffers implementation for the Rust Language
Questions tagged [prost]
23 questions
0
votes
0 answers
Parse gRPC orginal body with Tonic Prost
I have an original body of a gRPC request that I want to decode to a Protobuf Message using Prost (and probably Tonic).
As I see the HTTP body part consist of a grpc-header + protobuf-message. In my case the header is just 5 bytes like 000000003b,…
Igor Artamonov
- 35,450
- 10
- 82
- 113
0
votes
1 answer
Error using package name as "proto.messages.v1" in .proto with prost, and tonic in rust
I'm new to Rust and trying to create a simple gRPC application. Here is the directory structure:
grpc-protobuf
├── Cargo.toml
├── build.rs
├── proto
│ ├── hello
│ │ └── hello.proto
│ └── messages
│ └── hello.proto
└── src
└──…
Gaurav Gahlot
- 1,583
- 3
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- 19
0
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1 answer
How to obtain Prost! enum from String
The generated enum type looks like this, although I don't really have access to the src as it's generated by Prost! during the build:
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum…
jsstuball
- 4,104
- 7
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- 63
0
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1 answer
[Best practice for optional in proto or default value
We are setting up our rust services and using prost-build to bridge between proto <-> rust land. Our proto definitions are in proto3
Lets take the following proto message:
message Test {
string id = 1;
string body = 2;
string maybe_nullable_thing =…
Sandeep Kumar Pani
- 31
- 1
0
votes
1 answer
Cannot determine return type for grpc stream
I am trying to implement a simple stream rpc using tonic and grpc. I have been following the routeguide tutorial.
When I try to return a tokio_stream::wrappers::ReceiverStream from my stream method I get compile error indicating I should return a…
Babbleshack
- 341
- 1
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- 16
0
votes
1 answer
Can't Convert SystemTime to Prost 0.10/Protobuf Timestamp Type
Can somebody tell me what is happening with the types in tonic and prost? Only a month or two ago, my team had a working build that used a protobuf definition that contained a timestamp. We're compiling them with tonic_build using well known types.…
user14487166
0
votes
1 answer
Compiler Unaware of Provided Methods of Trait
I'm using the prost crate in a very "hello world" way, with a basic ProtoBuf file:
foo.proto
syntax = "proto3";
package foo;
message Foo {
string mystring = 1;
}
I can verify the types that prost produces at compile time by inspecting…
armani
- 93
- 1
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0
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0 answers
Function accept type argument
I am working on a client server application where i send messages to / from each as protocol buffers using the rust crate prost. currently i have a generic send_message function that can take any struct that implements the prost::Message trait. …
matthewmturner
- 566
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