Przemyslaw Pietrzkiewicz | 1d90994 | 2015-08-28 16:27:56 +0200 | [diff] [blame] | 1 | // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "apps/benchmark/trace_collector_client.h" |
| 6 | |
| 7 | TraceCollectorClient::TraceCollectorClient(Receiver* receiver, |
| 8 | tracing::TraceCollectorPtr collector) |
| 9 | : receiver_(receiver), |
| 10 | collector_(collector.Pass()), |
| 11 | currently_tracing_(false) {} |
| 12 | |
| 13 | TraceCollectorClient::~TraceCollectorClient() {} |
| 14 | |
| 15 | void TraceCollectorClient::Start(const std::string& categories) { |
| 16 | DCHECK(!currently_tracing_); |
| 17 | currently_tracing_ = true; |
| 18 | mojo::DataPipe data_pipe; |
| 19 | collector_->Start(data_pipe.producer_handle.Pass(), categories); |
| 20 | drainer_.reset(new mojo::common::DataPipeDrainer( |
| 21 | this, data_pipe.consumer_handle.Pass())); |
| 22 | trace_data_.clear(); |
| 23 | trace_data_ += "["; |
| 24 | } |
| 25 | |
| 26 | void TraceCollectorClient::Stop() { |
| 27 | DCHECK(currently_tracing_); |
| 28 | currently_tracing_ = false; |
| 29 | collector_->StopAndFlush(); |
| 30 | } |
| 31 | |
| 32 | void TraceCollectorClient::OnDataAvailable(const void* data, size_t num_bytes) { |
| 33 | const char* chars = static_cast<const char*>(data); |
| 34 | trace_data_.append(chars, num_bytes); |
| 35 | } |
| 36 | |
| 37 | void TraceCollectorClient::OnDataComplete() { |
| 38 | drainer_.reset(); |
| 39 | collector_.reset(); |
| 40 | trace_data_ += "]"; |
| 41 | receiver_->OnTraceCollected(trace_data_); |
| 42 | } |