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
159
160
161
162
163
|
// Copyright (c) 2012 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/renderer_host/pepper_tcp_server_socket.h"
#include <cstddef>
#include "base/logging.h"
#include "content/browser/renderer_host/pepper_message_filter.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/ip_endpoint.h"
#include "net/base/net_errors.h"
#include "net/socket/tcp_client_socket.h"
#include "net/socket/tcp_server_socket.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/private/net_address_private_impl.h"
using content::BrowserThread;
using ppapi::NetAddressPrivateImpl;
PepperTCPServerSocket::PepperTCPServerSocket(
PepperMessageFilter* manager,
int32 routing_id,
uint32 plugin_dispatcher_id,
PP_Resource socket_resource,
uint32 socket_id)
: manager_(manager),
routing_id_(routing_id),
plugin_dispatcher_id_(plugin_dispatcher_id),
socket_resource_(socket_resource),
socket_id_(socket_id),
state_(BEFORE_LISTENING) {
DCHECK(manager);
}
PepperTCPServerSocket::~PepperTCPServerSocket() {
}
void PepperTCPServerSocket::Listen(const PP_NetAddress_Private& addr,
int32 backlog) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
net::IPEndPoint ip_end_point;
if (state_ != BEFORE_LISTENING ||
!NetAddressPrivateImpl::NetAddressToIPEndPoint(addr, &ip_end_point)) {
CancelListenRequest();
return;
}
state_ = LISTEN_IN_PROGRESS;
socket_.reset(new net::TCPServerSocket(NULL, net::NetLog::Source()));
int result = socket_->Listen(ip_end_point, backlog);
if (result != net::ERR_IO_PENDING)
OnListenCompleted(result);
}
void PepperTCPServerSocket::Accept(int32 tcp_client_socket_routing_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
if (state_ != LISTENING) {
SendAcceptACKError();
return;
}
state_ = ACCEPT_IN_PROGRESS;
int result = socket_->Accept(
&socket_buffer_,
base::Bind(&PepperTCPServerSocket::OnAcceptCompleted,
base::Unretained(this),
tcp_client_socket_routing_id));
if (result != net::ERR_IO_PENDING)
OnAcceptCompleted(tcp_client_socket_routing_id, result);
}
void PepperTCPServerSocket::CancelListenRequest() {
manager_->Send(new PpapiMsg_PPBTCPServerSocket_ListenACK(
routing_id_,
plugin_dispatcher_id_,
socket_resource_,
0,
PP_ERROR_FAILED));
BrowserThread::PostTask(
BrowserThread::IO,
FROM_HERE,
base::Bind(&PepperMessageFilter::RemoveTCPServerSocket, manager_,
socket_id_));
}
void PepperTCPServerSocket::SendAcceptACKError() {
manager_->Send(new PpapiMsg_PPBTCPServerSocket_AcceptACK(
routing_id_,
plugin_dispatcher_id_,
socket_id_,
0,
NetAddressPrivateImpl::kInvalidNetAddress,
NetAddressPrivateImpl::kInvalidNetAddress));
}
void PepperTCPServerSocket::OnListenCompleted(int result) {
DCHECK(state_ == LISTEN_IN_PROGRESS && socket_.get());
if (result != net::OK) {
CancelListenRequest();
} else {
manager_->Send(new PpapiMsg_PPBTCPServerSocket_ListenACK(
routing_id_,
plugin_dispatcher_id_,
socket_resource_,
socket_id_,
PP_OK));
state_ = LISTENING;
}
}
void PepperTCPServerSocket::OnAcceptCompleted(
int32 tcp_client_socket_routing_id,
int result) {
DCHECK(state_ == ACCEPT_IN_PROGRESS && socket_buffer_.get());
if (result != net::OK) {
SendAcceptACKError();
} else {
scoped_ptr<net::StreamSocket> socket(socket_buffer_.release());
net::IPEndPoint ip_end_point;
net::AddressList address_list;
PP_NetAddress_Private local_addr =
NetAddressPrivateImpl::kInvalidNetAddress;
PP_NetAddress_Private remote_addr =
NetAddressPrivateImpl::kInvalidNetAddress;
if (socket->GetLocalAddress(&ip_end_point) != net::OK ||
!NetAddressPrivateImpl::IPEndPointToNetAddress(ip_end_point,
&local_addr) ||
socket->GetPeerAddress(&address_list) != net::OK ||
!NetAddressPrivateImpl::AddressListToNetAddress(address_list,
&remote_addr)) {
SendAcceptACKError();
} else {
uint32 accepted_socket_id =
manager_->AddAcceptedTCPSocket(tcp_client_socket_routing_id,
plugin_dispatcher_id_,
socket.release());
if (accepted_socket_id != 0) {
manager_->Send(new PpapiMsg_PPBTCPServerSocket_AcceptACK(
routing_id_,
plugin_dispatcher_id_,
socket_id_,
accepted_socket_id,
local_addr,
remote_addr));
} else {
SendAcceptACKError();
}
}
}
state_ = LISTENING;
}
|
