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Side by Side Diff: extensions/browser/api/sockets_udp/udp_socket_event_dispatcher.cc

Issue 183893041: Move sockets APIs out of src/chrome (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rename api targets Created 6 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/extensions/api/sockets_udp/udp_socket_event_dispatcher. h" 5 #include "extensions/browser/api/sockets_udp/udp_socket_event_dispatcher.h"
6 6
7 #include "chrome/browser/extensions/api/socket/udp_socket.h" 7 #include "extensions/browser/api/socket/udp_socket.h"
8 #include "extensions/browser/event_router.h" 8 #include "extensions/browser/event_router.h"
9 #include "extensions/browser/extension_system.h" 9 #include "extensions/browser/extension_system.h"
10 #include "extensions/browser/extensions_browser_client.h" 10 #include "extensions/browser/extensions_browser_client.h"
11 #include "net/base/net_errors.h" 11 #include "net/base/net_errors.h"
12 12
13 namespace extensions { 13 namespace extensions {
14 namespace api { 14 namespace core_api {
15 15
16 using content::BrowserThread; 16 using content::BrowserThread;
17 17
18 static base::LazyInstance< 18 static base::LazyInstance<
19 BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher> > g_factory = 19 BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher> > g_factory =
20 LAZY_INSTANCE_INITIALIZER; 20 LAZY_INSTANCE_INITIALIZER;
21 21
22 // static 22 // static
23 BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>* 23 BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>*
24 UDPSocketEventDispatcher::GetFactoryInstance() { 24 UDPSocketEventDispatcher::GetFactoryInstance() {
25 return g_factory.Pointer(); 25 return g_factory.Pointer();
26 } 26 }
27 27
28 // static 28 // static
29 UDPSocketEventDispatcher* UDPSocketEventDispatcher::Get( 29 UDPSocketEventDispatcher* UDPSocketEventDispatcher::Get(
30 content::BrowserContext* context) { 30 content::BrowserContext* context) {
31 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 31 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
32 32
33 return BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>::Get(context); 33 return BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>::Get(context);
34 } 34 }
35 35
36 UDPSocketEventDispatcher::UDPSocketEventDispatcher( 36 UDPSocketEventDispatcher::UDPSocketEventDispatcher(
37 content::BrowserContext* context) 37 content::BrowserContext* context)
38 : thread_id_(Socket::kThreadId), browser_context_(context) { 38 : thread_id_(Socket::kThreadId), browser_context_(context) {
39 ApiResourceManager<ResumableUDPSocket>* manager = 39 ApiResourceManager<ResumableUDPSocket>* manager =
40 ApiResourceManager<ResumableUDPSocket>::Get(browser_context_); 40 ApiResourceManager<ResumableUDPSocket>::Get(browser_context_);
41 DCHECK(manager) << "There is no socket manager. " 41 DCHECK(manager)
42 "If this assertion is failing during a test, then it is likely that " 42 << "There is no socket manager. "
43 "TestExtensionSystem is failing to provide an instance of " 43 "If this assertion is failing during a test, then it is likely that "
44 "ApiResourceManager<ResumableUDPSocket>."; 44 "TestExtensionSystem is failing to provide an instance of "
45 "ApiResourceManager<ResumableUDPSocket>.";
45 sockets_ = manager->data_; 46 sockets_ = manager->data_;
46 } 47 }
47 48
48 UDPSocketEventDispatcher::~UDPSocketEventDispatcher() {} 49 UDPSocketEventDispatcher::~UDPSocketEventDispatcher() {}
49 50
50 UDPSocketEventDispatcher::ReceiveParams::ReceiveParams() {} 51 UDPSocketEventDispatcher::ReceiveParams::ReceiveParams() {}
51 52
52 UDPSocketEventDispatcher::ReceiveParams::~ReceiveParams() {} 53 UDPSocketEventDispatcher::ReceiveParams::~ReceiveParams() {}
53 54
54 void UDPSocketEventDispatcher::OnSocketBind(const std::string& extension_id, 55 void UDPSocketEventDispatcher::OnSocketBind(const std::string& extension_id,
(...skipping 19 matching lines...) Expand all
74 void UDPSocketEventDispatcher::StartReceive(const ReceiveParams& params) { 75 void UDPSocketEventDispatcher::StartReceive(const ReceiveParams& params) {
75 DCHECK(BrowserThread::CurrentlyOn(params.thread_id)); 76 DCHECK(BrowserThread::CurrentlyOn(params.thread_id));
76 77
77 ResumableUDPSocket* socket = 78 ResumableUDPSocket* socket =
78 params.sockets->Get(params.extension_id, params.socket_id); 79 params.sockets->Get(params.extension_id, params.socket_id);
79 if (socket == NULL) { 80 if (socket == NULL) {
80 // This can happen if the socket is closed while our callback is active. 81 // This can happen if the socket is closed while our callback is active.
81 return; 82 return;
82 } 83 }
83 DCHECK(params.extension_id == socket->owner_extension_id()) 84 DCHECK(params.extension_id == socket->owner_extension_id())
84 << "Socket has wrong owner."; 85 << "Socket has wrong owner.";
85 86
86 // Don't start another read if the socket has been paused. 87 // Don't start another read if the socket has been paused.
87 if (socket->paused()) 88 if (socket->paused())
88 return; 89 return;
89 90
90 int buffer_size = (socket->buffer_size() <= 0 ? 4096 : socket->buffer_size()); 91 int buffer_size = (socket->buffer_size() <= 0 ? 4096 : socket->buffer_size());
91 socket->RecvFrom(buffer_size, 92 socket->RecvFrom(
92 base::Bind(&UDPSocketEventDispatcher::ReceiveCallback, 93 buffer_size,
93 params)); 94 base::Bind(&UDPSocketEventDispatcher::ReceiveCallback, params));
94 } 95 }
95 96
96 /* static */ 97 /* static */
97 void UDPSocketEventDispatcher::ReceiveCallback( 98 void UDPSocketEventDispatcher::ReceiveCallback(
98 const ReceiveParams& params, 99 const ReceiveParams& params,
99 int bytes_read, 100 int bytes_read,
100 scoped_refptr<net::IOBuffer> io_buffer, 101 scoped_refptr<net::IOBuffer> io_buffer,
101 const std::string& address, 102 const std::string& address,
102 int port) { 103 int port) {
103 DCHECK(BrowserThread::CurrentlyOn(params.thread_id)); 104 DCHECK(BrowserThread::CurrentlyOn(params.thread_id));
104 105
105 // If |bytes_read| == 0, the message contained no data. 106 // If |bytes_read| == 0, the message contained no data.
106 // If |bytes_read| < 0, there was a network error, and |bytes_read| is a value 107 // If |bytes_read| < 0, there was a network error, and |bytes_read| is a value
107 // from "net::ERR_". 108 // from "net::ERR_".
108 109
109 if (bytes_read >= 0) { 110 if (bytes_read >= 0) {
110 // Dispatch "onReceive" event. 111 // Dispatch "onReceive" event.
111 sockets_udp::ReceiveInfo receive_info; 112 sockets_udp::ReceiveInfo receive_info;
112 receive_info.socket_id = params.socket_id; 113 receive_info.socket_id = params.socket_id;
113 receive_info.data = std::string(io_buffer->data(), bytes_read); 114 receive_info.data = std::string(io_buffer->data(), bytes_read);
114 receive_info.remote_address = address; 115 receive_info.remote_address = address;
115 receive_info.remote_port = port; 116 receive_info.remote_port = port;
116 scoped_ptr<base::ListValue> args = 117 scoped_ptr<base::ListValue> args =
117 sockets_udp::OnReceive::Create(receive_info); 118 sockets_udp::OnReceive::Create(receive_info);
118 scoped_ptr<Event> event( 119 scoped_ptr<Event> event(
119 new Event(sockets_udp::OnReceive::kEventName, args.Pass())); 120 new Event(sockets_udp::OnReceive::kEventName, args.Pass()));
120 PostEvent(params, event.Pass()); 121 PostEvent(params, event.Pass());
121 122
122 // Post a task to delay the read until the socket is available, as 123 // Post a task to delay the read until the socket is available, as
123 // calling StartReceive at this point would error with ERR_IO_PENDING. 124 // calling StartReceive at this point would error with ERR_IO_PENDING.
124 BrowserThread::PostTask( 125 BrowserThread::PostTask(
125 params.thread_id, FROM_HERE, 126 params.thread_id,
127 FROM_HERE,
126 base::Bind(&UDPSocketEventDispatcher::StartReceive, params)); 128 base::Bind(&UDPSocketEventDispatcher::StartReceive, params));
127 } else if (bytes_read == net::ERR_IO_PENDING) { 129 } else if (bytes_read == net::ERR_IO_PENDING) {
128 // This happens when resuming a socket which already had an 130 // This happens when resuming a socket which already had an
129 // active "recv" callback. 131 // active "recv" callback.
130 } else { 132 } else {
131 // Dispatch "onReceiveError" event but don't start another read to avoid 133 // Dispatch "onReceiveError" event but don't start another read to avoid
132 // potential infinite reads if we have a persistent network error. 134 // potential infinite reads if we have a persistent network error.
133 sockets_udp::ReceiveErrorInfo receive_error_info; 135 sockets_udp::ReceiveErrorInfo receive_error_info;
134 receive_error_info.socket_id = params.socket_id; 136 receive_error_info.socket_id = params.socket_id;
135 receive_error_info.result_code = bytes_read; 137 receive_error_info.result_code = bytes_read;
136 scoped_ptr<base::ListValue> args = 138 scoped_ptr<base::ListValue> args =
137 sockets_udp::OnReceiveError::Create(receive_error_info); 139 sockets_udp::OnReceiveError::Create(receive_error_info);
138 scoped_ptr<Event> event( 140 scoped_ptr<Event> event(
139 new Event(sockets_udp::OnReceiveError::kEventName, args.Pass())); 141 new Event(sockets_udp::OnReceiveError::kEventName, args.Pass()));
140 PostEvent(params, event.Pass()); 142 PostEvent(params, event.Pass());
141 143
142 // Since we got an error, the socket is now "paused" until the application 144 // Since we got an error, the socket is now "paused" until the application
143 // "resumes" it. 145 // "resumes" it.
144 ResumableUDPSocket* socket = 146 ResumableUDPSocket* socket =
145 params.sockets->Get(params.extension_id, params.socket_id); 147 params.sockets->Get(params.extension_id, params.socket_id);
146 if (socket) { 148 if (socket) {
147 socket->set_paused(true); 149 socket->set_paused(true);
148 } 150 }
149 } 151 }
(...skipping 20 matching lines...) Expand all
170 172
171 content::BrowserContext* context = 173 content::BrowserContext* context =
172 reinterpret_cast<content::BrowserContext*>(browser_context_id); 174 reinterpret_cast<content::BrowserContext*>(browser_context_id);
173 if (!extensions::ExtensionsBrowserClient::Get()->IsValidContext(context)) 175 if (!extensions::ExtensionsBrowserClient::Get()->IsValidContext(context))
174 return; 176 return;
175 EventRouter* router = ExtensionSystem::Get(context)->event_router(); 177 EventRouter* router = ExtensionSystem::Get(context)->event_router();
176 if (router) 178 if (router)
177 router->DispatchEventToExtension(extension_id, event.Pass()); 179 router->DispatchEventToExtension(extension_id, event.Pass());
178 } 180 }
179 181
180 } // namespace api 182 } // namespace core_api
181 } // namespace extensions 183 } // namespace extensions
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