61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
// Copyright 2021 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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//==============================================================================
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#include "pw_trace_tokenized/trace_rpc_service_nanopb.h"
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#include "pw_log/log.h"
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#include "pw_preprocessor/util.h"
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#include "pw_trace_tokenized/trace_buffer.h"
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#include "pw_trace_tokenized/trace_tokenized.h"
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namespace pw::trace {
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pw::Status TraceService::Enable(const pw_trace_TraceEnableMessage& request,
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pw_trace_TraceEnableMessage& response) {
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TokenizedTrace::Instance().Enable(request.enable);
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response.enable = TokenizedTrace::Instance().IsEnabled();
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return PW_STATUS_OK;
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}
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pw::Status TraceService::IsEnabled(const pw_trace_Empty&,
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pw_trace_TraceEnableMessage& response) {
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response.enable = TokenizedTrace::Instance().IsEnabled();
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return PW_STATUS_OK;
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}
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void TraceService::GetTraceData(
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const pw_trace_Empty&, ServerWriter<pw_trace_TraceDataMessage>& writer) {
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pw_trace_TraceDataMessage buffer = pw_trace_TraceDataMessage_init_default;
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size_t size = 0;
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pw::ring_buffer::PrefixedEntryRingBuffer* trace_buffer =
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pw::trace::GetBuffer();
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while (trace_buffer->PeekFront(
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std::as_writable_bytes(std::span(buffer.data.bytes)), &size) !=
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pw::Status::OutOfRange()) {
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trace_buffer->PopFront()
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.IgnoreError(); // TODO(pwbug/387): Handle Status properly
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buffer.data.size = size;
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pw::Status status = writer.Write(buffer);
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if (!status.ok()) {
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PW_LOG_ERROR("Error sending trace; abandoning trace dump. Error: %s",
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status.str());
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break;
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}
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}
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writer.Finish().IgnoreError(); // TODO(pwbug/387): Handle Status properly
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}
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} // namespace pw::trace
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