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content / services / auction_worklet / auction_v8_devtools_agent.cc [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/services/auction_worklet/auction_v8_devtools_agent.h"
#include <stdint.h>
#include "base/memory/ptr_util.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/not_fatal_until.h"
#include "base/notreached.h"
#include "base/task/sequenced_task_runner.h"
#include "content/services/auction_worklet/auction_v8_devtools_session.h"
#include "content/services/auction_worklet/auction_v8_helper.h"
#include "content/services/auction_worklet/debug_command_queue.h"
#include "mojo/public/cpp/bindings/self_owned_receiver.h"
namespace auction_worklet {
AuctionV8DevToolsAgent::ContextGroupInfo::ContextGroupInfo() = default;
AuctionV8DevToolsAgent::ContextGroupInfo::~ContextGroupInfo() = default;
AuctionV8DevToolsAgent::AuctionV8DevToolsAgent(
AuctionV8Helper* v8_helper,
scoped_refptr<DebugCommandQueue> debug_command_queue,
scoped_refptr<base::SequencedTaskRunner> io_session_receiver_sequence)
: v8_helper_(v8_helper),
io_session_receiver_sequence_(std::move(io_session_receiver_sequence)),
debug_command_queue_(debug_command_queue.get()) {}
AuctionV8DevToolsAgent::~AuctionV8DevToolsAgent() {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
// DestroySessions must be called before the destructor.
DCHECK(sessions_.empty());
}
void AuctionV8DevToolsAgent::Connect(
mojo::PendingAssociatedReceiver<blink::mojom::DevToolsAgent> agent,
int context_group_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
receivers_.Add(this, std::move(agent), context_group_id);
}
void AuctionV8DevToolsAgent::MaybeTriggerInstrumentationBreakpoint(
int context_group_id,
const std::string& name) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
auto it = context_groups_.find(context_group_id);
if (it == context_groups_.end())
return; // No sessions, so no breakpoints.
for (AuctionV8DevToolsSession* session : it->second.sessions) {
session->MaybeTriggerInstrumentationBreakpoint(name);
}
}
void AuctionV8DevToolsAgent::DestroySessions() {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
sessions_.Clear();
}
void AuctionV8DevToolsAgent::AttachDevToolsSession(
mojo::PendingAssociatedRemote<blink::mojom::DevToolsSessionHost> host,
mojo::PendingAssociatedReceiver<blink::mojom::DevToolsSession>
session_receiver,
mojo::PendingReceiver<blink::mojom::DevToolsSession> io_session_receiver,
blink::mojom::DevToolsSessionStatePtr reattach_session_state,
bool client_expects_binary_responses,
bool client_is_trusted,
const std::string& session_id,
bool session_waits_for_debugger) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
int context_group_id = receivers_.current_context();
ContextGroupInfo& context_group_info = context_groups_[context_group_id];
// Make the actual session and bind it to the pipe.
AuctionV8DevToolsSession::SessionDestroyedCallback session_destroyed =
base::BindOnce(
&AuctionV8DevToolsAgent::SessionDestroyed,
// `sessions_` guarantees `session_impl` won't outlast `this`.
base::Unretained(this));
auto session_impl = std::make_unique<AuctionV8DevToolsSession>(
v8_helper_, scoped_refptr<DebugCommandQueue>(debug_command_queue_),
context_group_id, session_id, client_expects_binary_responses,
session_waits_for_debugger, std::move(host),
io_session_receiver_sequence_, std::move(io_session_receiver),
std::move(session_destroyed));
context_group_info.sessions.insert(session_impl.get());
sessions_.Add(std::move(session_impl), std::move(session_receiver));
}
void AuctionV8DevToolsAgent::InspectElement(const ::gfx::Point& point) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
NOTIMPLEMENTED(); // Should not be used with this.
}
void AuctionV8DevToolsAgent::ReportChildTargets(
bool report,
bool wait_for_debugger,
ReportChildTargetsCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
NOTIMPLEMENTED(); // Should not be used with this.
}
void AuctionV8DevToolsAgent::runMessageLoopOnPause(int context_group_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
DCHECK(!paused_);
auto it = context_groups_.find(context_group_id);
CHECK(it != context_groups_.end(), base::NotFatalUntil::M130);
DCHECK(!it->second.sessions.empty());
AuctionV8DevToolsSession* session = *it->second.sessions.begin();
v8_helper_->PauseTimeoutTimer();
paused_ = true;
base::OnceClosure abort_callback = session->MakeAbortPauseCallback();
debug_command_queue_->PauseForDebuggerAndRunCommands(
context_group_id, std::move(abort_callback));
DCHECK(paused_);
v8_helper_->ResumeTimeoutTimer();
paused_ = false;
}
void AuctionV8DevToolsAgent::quitMessageLoopOnPause() {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
DCHECK(paused_);
debug_command_queue_->QuitPauseForDebugger();
}
void AuctionV8DevToolsAgent::runIfWaitingForDebugger(int context_group_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
v8_helper_->Resume(context_group_id);
}
void AuctionV8DevToolsAgent::SessionDestroyed(
AuctionV8DevToolsSession* session) {
DCHECK_CALLED_ON_VALID_SEQUENCE(v8_sequence_checker_);
auto it = context_groups_.find(session->context_group_id());
CHECK(it != context_groups_.end(), base::NotFatalUntil::M130);
it->second.sessions.erase(session);
if (it->second.sessions.empty())
context_groups_.erase(it);
}
} // namespace auction_worklet