1 // Copyright 2020 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #include "pw_assert/assert.h" 16 #include "pw_bloat/bloat_this_binary.h" 17 #include "pw_log/log.h" 18 #include "pw_rpc/server.h" 19 #include "pw_sys_io/sys_io.h" 20 21 int volatile* unoptimizable; 22 23 class Output : public pw::rpc::ChannelOutput { 24 public: Output()25 Output() : ChannelOutput("output") {} 26 AcquireBuffer()27 std::span<std::byte> AcquireBuffer() override { return buffer_; } 28 SendAndReleaseBuffer(std::span<const std::byte> buffer)29 pw::Status SendAndReleaseBuffer(std::span<const std::byte> buffer) override { 30 PW_DCHECK_PTR_EQ(buffer.data(), buffer_); 31 return pw::sys_io::WriteBytes(buffer).status(); 32 } 33 34 private: 35 std::byte buffer_[128]; 36 }; 37 38 namespace my_product { 39 40 Output output; 41 pw::rpc::Channel channels[] = {pw::rpc::Channel::Create<1>(&output)}; 42 pw::rpc::Server server(channels); 43 44 } // namespace my_product 45 main()46int main() { 47 pw::bloat::BloatThisBinary(); 48 49 // Ensure we are paying the cost for log and assert. 50 PW_CHECK_INT_GE(*unoptimizable, 0, "Ensure this CHECK logic stays"); 51 PW_LOG_INFO("We care about optimizing: %d", *unoptimizable); 52 53 std::byte packet_buffer[128]; 54 pw::sys_io::ReadBytes(packet_buffer); 55 pw::sys_io::WriteBytes(packet_buffer); 56 57 my_product::server.ProcessPacket(packet_buffer, my_product::output); 58 59 return static_cast<int>(packet_buffer[92]); 60 } 61