blob: 9b2f4cf5f0b58521910a09088c46fa03448a3f4f [file] [log] [blame]
// Copyright 2020 The Pigweed Authors
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include "pb_decode.h"
#include "pb_encode.h"
#include "pw_assert/assert.h"
#include "pw_bloat/bloat_this_binary.h"
#include "pw_log/log.h"
#include "pw_rpc/echo_service_nanopb.h"
#include "pw_rpc/server.h"
#include "pw_sys_io/sys_io.h"
int volatile* unoptimizable;
class Output : public pw::rpc::ChannelOutput {
Output() : ChannelOutput("output") {}
std::span<std::byte> AcquireBuffer() override { return buffer_; }
pw::Status SendAndReleaseBuffer(std::span<const std::byte> buffer) override {
PW_DCHECK_PTR_EQ(, buffer_);
return pw::sys_io::WriteBytes(buffer).status();
std::byte buffer_[128];
namespace my_product {
template <typename DecodeFunction>
struct NanopbTraits;
template <typename FieldsType>
struct NanopbTraits<bool(pb_istream_t*, FieldsType, void*)> {
using Fields = FieldsType;
using Fields = typename NanopbTraits<decltype(pb_decode)>::Fields;
// Performs the core nanopb encode and decode operations so that those functions
// are included in the binary.
void DoNanopbStuff() {
std::byte buffer[128];
void* fields = &buffer;
auto output = pb_ostream_from_buffer(reinterpret_cast<pb_byte_t*>(buffer),
pb_encode(&output, static_cast<Fields>(fields), buffer);
auto input = pb_istream_from_buffer(
reinterpret_cast<const pb_byte_t*>(buffer), sizeof(buffer));
pb_decode(&input, static_cast<Fields>(fields), buffer);
Output output;
pw::rpc::Channel channels[] = {pw::rpc::Channel::Create<1>(&output)};
pw::rpc::Server server(channels);
pw::rpc::EchoService echo_service;
} // namespace my_product
int main() {
// Ensure we are paying the cost for log and assert.
PW_CHECK_INT_GE(*unoptimizable, 0, "Ensure this CHECK logic stays");
PW_LOG_INFO("We care about optimizing: %d", *unoptimizable);
std::byte packet_buffer[128];
my_product::server.ProcessPacket(packet_buffer, my_product::output);
return static_cast<int>(packet_buffer[92]);