1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/devtools/worker_devtools_agent_host.h"
#include "content/browser/devtools/devtools_protocol_handler.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/render_process_host.h"
namespace content {
BrowserContext* WorkerDevToolsAgentHost::GetBrowserContext() {
RenderProcessHost* rph = RenderProcessHost::FromID(worker_id_.first);
return rph ? rph->GetBrowserContext() : nullptr;
}
void WorkerDevToolsAgentHost::Attach() {
if (state_ != WORKER_INSPECTED) {
state_ = WORKER_INSPECTED;
AttachToWorker();
}
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->Send(new DevToolsAgentMsg_Attach(worker_id_.second, GetId()));
OnAttachedStateChanged(true);
DevToolsAgentHostImpl::NotifyCallbacks(this, true);
}
void WorkerDevToolsAgentHost::Detach() {
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->Send(new DevToolsAgentMsg_Detach(worker_id_.second));
OnAttachedStateChanged(false);
if (state_ == WORKER_INSPECTED) {
state_ = WORKER_UNINSPECTED;
DetachFromWorker();
} else if (state_ == WORKER_PAUSED_FOR_REATTACH) {
state_ = WORKER_UNINSPECTED;
}
DevToolsAgentHostImpl::NotifyCallbacks(this, false);
}
bool WorkerDevToolsAgentHost::DispatchProtocolMessage(
const std::string& message) {
if (state_ != WORKER_INSPECTED)
return true;
if (protocol_handler_->HandleOptionalMessage(message))
return true;
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
host->Send(new DevToolsAgentMsg_DispatchOnInspectorBackend(
worker_id_.second, message));
}
return true;
}
bool WorkerDevToolsAgentHost::OnMessageReceived(
const IPC::Message& msg) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(WorkerDevToolsAgentHost, msg)
IPC_MESSAGE_HANDLER(DevToolsClientMsg_DispatchOnInspectorFrontend,
OnDispatchOnInspectorFrontend)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void WorkerDevToolsAgentHost::PauseForDebugOnStart() {
DCHECK(state_ == WORKER_UNINSPECTED);
state_ = WORKER_PAUSED_FOR_DEBUG_ON_START;
}
bool WorkerDevToolsAgentHost::IsPausedForDebugOnStart() {
return state_ == WORKER_PAUSED_FOR_DEBUG_ON_START;
}
void WorkerDevToolsAgentHost::WorkerReadyForInspection() {
if (state_ == WORKER_PAUSED_FOR_REATTACH) {
DCHECK(IsAttached());
state_ = WORKER_INSPECTED;
AttachToWorker();
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first)) {
host->Send(new DevToolsAgentMsg_Reattach(
worker_id_.second, GetId(), state_cookie_));
}
OnAttachedStateChanged(true);
}
}
void WorkerDevToolsAgentHost::WorkerRestarted(WorkerId worker_id) {
DCHECK_EQ(WORKER_TERMINATED, state_);
state_ = IsAttached() ? WORKER_PAUSED_FOR_REATTACH : WORKER_UNINSPECTED;
worker_id_ = worker_id;
WorkerCreated();
}
void WorkerDevToolsAgentHost::WorkerDestroyed() {
DCHECK_NE(WORKER_TERMINATED, state_);
if (state_ == WORKER_INSPECTED) {
DCHECK(IsAttached());
// Client host is debugging this worker agent host.
base::Callback<void(const std::string&)> raw_message_callback(
base::Bind(&WorkerDevToolsAgentHost::SendMessageToClient,
base::Unretained(this)));
devtools::inspector::Client inspector(raw_message_callback);
inspector.TargetCrashed(
devtools::inspector::TargetCrashedParams::Create());
DetachFromWorker();
}
state_ = WORKER_TERMINATED;
Release(); // Balanced in WorkerCreated().
}
bool WorkerDevToolsAgentHost::IsTerminated() {
return state_ == WORKER_TERMINATED;
}
WorkerDevToolsAgentHost::WorkerDevToolsAgentHost(
WorkerId worker_id)
: protocol_handler_(new DevToolsProtocolHandler(
this,
base::Bind(&WorkerDevToolsAgentHost::SendMessageToClient,
base::Unretained(this)))),
state_(WORKER_UNINSPECTED),
worker_id_(worker_id) {
WorkerCreated();
}
WorkerDevToolsAgentHost::~WorkerDevToolsAgentHost() {
DCHECK_EQ(WORKER_TERMINATED, state_);
}
void WorkerDevToolsAgentHost::OnAttachedStateChanged(bool attached) {
}
void WorkerDevToolsAgentHost::AttachToWorker() {
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->AddRoute(worker_id_.second, this);
}
void WorkerDevToolsAgentHost::DetachFromWorker() {
if (RenderProcessHost* host = RenderProcessHost::FromID(worker_id_.first))
host->RemoveRoute(worker_id_.second);
}
void WorkerDevToolsAgentHost::WorkerCreated() {
AddRef(); // Balanced in WorkerDestroyed()
}
void WorkerDevToolsAgentHost::OnDispatchOnInspectorFrontend(
const DevToolsMessageChunk& message) {
if (!IsAttached())
return;
ProcessChunkedMessageFromAgent(message);
}
} // namespace content
|
