1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "src/perfetto_cmd/trigger_producer.h"
18
19 #include <memory>
20
21 #include "perfetto/base/logging.h"
22 #include "perfetto/ext/tracing/core/producer.h"
23 #include "perfetto/ext/tracing/ipc/default_socket.h"
24 #include "perfetto/ext/tracing/ipc/producer_ipc_client.h"
25
26 namespace perfetto {
27
TriggerProducer(base::TaskRunner * task_runner,std::function<void (bool)> callback,const std::vector<std::string> * const triggers)28 TriggerProducer::TriggerProducer(base::TaskRunner* task_runner,
29 std::function<void(bool)> callback,
30 const std::vector<std::string>* const triggers)
31 : task_runner_(task_runner),
32 callback_(std::move(callback)),
33 triggers_(triggers),
34 producer_endpoint_(ProducerIPCClient::Connect(GetProducerSocket(),
35 this,
36 "perfetto_cmd_producer",
37 task_runner)),
38 weak_factory_(this) {
39 // Give the socket up to 10 seconds to attach and send the triggers before
40 // reporting a failure.
41 auto weak_this = weak_factory_.GetWeakPtr();
42 task_runner_->PostDelayedTask(
43 [weak_this]() {
44 if (!weak_this || weak_this->issued_callback_)
45 return;
46 weak_this->issued_callback_ = true;
47 weak_this->callback_(false);
48 },
49 10000);
50 }
51
~TriggerProducer()52 TriggerProducer::~TriggerProducer() {}
53
OnConnect()54 void TriggerProducer::OnConnect() {
55 PERFETTO_DLOG("Producer connected, sending triggers.");
56 // Send activation signal.
57 producer_endpoint_->ActivateTriggers(*triggers_);
58 auto weak_this = weak_factory_.GetWeakPtr();
59 task_runner_->PostTask([weak_this]() {
60 if (!weak_this || weak_this->issued_callback_)
61 return;
62 weak_this->issued_callback_ = true;
63 weak_this->callback_(true);
64 });
65 }
66
OnDisconnect()67 void TriggerProducer::OnDisconnect() {}
68
OnTracingSetup()69 void TriggerProducer::OnTracingSetup() {}
70
SetupDataSource(DataSourceInstanceID,const DataSourceConfig &)71 void TriggerProducer::SetupDataSource(DataSourceInstanceID,
72 const DataSourceConfig&) {
73 PERFETTO_DFATAL("Attempted to SetupDataSource() on commandline producer");
74 }
StartDataSource(DataSourceInstanceID,const DataSourceConfig &)75 void TriggerProducer::StartDataSource(DataSourceInstanceID,
76 const DataSourceConfig&) {
77 PERFETTO_DFATAL("Attempted to StartDataSource() on commandline producer");
78 }
StopDataSource(DataSourceInstanceID)79 void TriggerProducer::StopDataSource(DataSourceInstanceID) {
80 PERFETTO_DFATAL("Attempted to StopDataSource() on commandline producer");
81 }
Flush(FlushRequestID,const DataSourceInstanceID *,size_t)82 void TriggerProducer::Flush(FlushRequestID,
83 const DataSourceInstanceID*,
84 size_t) {
85 PERFETTO_DFATAL("Attempted to Flush() on commandline producer");
86 }
87
ClearIncrementalState(const DataSourceInstanceID *,size_t)88 void TriggerProducer::ClearIncrementalState(const DataSourceInstanceID*,
89 size_t) {
90 PERFETTO_DFATAL(
91 "Attempted to ClearIncrementalState() on commandline producer");
92 }
93
94 } // namespace perfetto
95