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This implements an RPC service that streams pw_unit_test events, as well as a unit test main that initializes a server with the test service registered and an HDLC serial channel. Change-Id: I6c66f2216c54d82aa70c351d7d3d99d9a5c173de Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/23901 Commit-Queue: Alexei Frolov <frolv@google.com> Reviewed-by: Keir Mierle <keir@google.com>
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// Copyright 2020 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include "pw_hdlc_lite/encoder.h"
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#include "pw_hdlc_lite/rpc_channel.h"
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#include "pw_hdlc_lite/rpc_packets.h"
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#include "pw_hdlc_lite/sys_io_stream.h"
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#include "pw_log/log.h"
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#include "pw_unit_test/framework.h"
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#include "pw_unit_test/unit_test_service.h"
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// TODO(frolv): This file is largely copied from the HDLC RPC example. It should
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// be updated to use the system RPC server facade when that is ready.
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namespace pw {
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namespace {
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constexpr size_t kMaxTransmissionUnit = 256;
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// Used to write HDLC data to pw::sys_io.
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stream::SysIoWriter writer;
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// Set up the output channel for the pw_rpc server to use to use.
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hdlc_lite::RpcChannelOutputBuffer<kMaxTransmissionUnit> hdlc_channel_output(
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writer, hdlc_lite::kDefaultRpcAddress, "HDLC channel");
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rpc::Channel channels[] = {rpc::Channel::Create<1>(&hdlc_channel_output)};
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// Declare the pw_rpc server with the HDLC channel.
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rpc::Server server(channels);
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unit_test::UnitTestService unit_test_service;
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void RegisterServices() { server.RegisterService(unit_test_service); }
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} // namespace
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extern "C" int main() {
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// Send log messages to HDLC address 1. This prevents logs from interfering
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// with pw_rpc communications.
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log_basic::SetOutput([](std::string_view log) {
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hdlc_lite::WriteInformationFrame(1, std::as_bytes(std::span(log)), writer);
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});
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RegisterServices();
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// Declare a buffer for decoding incoming HDLC frames.
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std::array<std::byte, kMaxTransmissionUnit> input_buffer;
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PW_LOG_INFO("Starting pw_rpc server");
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hdlc_lite::ReadAndProcessPackets(server, hdlc_channel_output, input_buffer);
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return 0;
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}
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} // namespace pw
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