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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=4 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
interface nsIURI;
interface nsIInterfaceRequestor;
interface nsILoadGroup;
interface nsIWebSocketListener;
interface nsIInputStream;
interface nsILoadInfo;
interface nsIDOMNode;
interface nsIPrincipal;
interface nsITransportProvider;
#include "nsISupports.idl"
/**
* Low-level websocket API: handles network protocol.
*
* This is primarly intended for use by the higher-level nsIWebSocket.idl.
* We are also making it scriptable for now, but this may change once we have
* WebSockets for Workers.
*/
[scriptable, uuid(ce71d028-322a-4105-a947-a894689b52bf)]
interface nsIWebSocketChannel : nsISupports
{
/**
* The original URI used to construct the protocol connection. This is used
* in the case of a redirect or URI "resolution" (e.g. resolving a
* resource: URI to a file: URI) so that the original pre-redirect
* URI can still be obtained. This is never null.
*/
readonly attribute nsIURI originalURI;
/**
* The readonly URI corresponding to the protocol connection after any
* redirections are completed.
*/
readonly attribute nsIURI URI;
/**
* The notification callbacks for authorization, etc..
*/
attribute nsIInterfaceRequestor notificationCallbacks;
/**
* Transport-level security information (if any)
*/
readonly attribute nsISupports securityInfo;
/**
* The load group of of the websocket
*/
attribute nsILoadGroup loadGroup;
/**
* The load info of the websocket
*/
attribute nsILoadInfo loadInfo;
/**
* Sec-Websocket-Protocol value
*/
attribute ACString protocol;
/**
* Sec-Websocket-Extensions response header value
*/
readonly attribute ACString extensions;
/**
* Init the WebSocketChannel with LoadInfo arguments.
* @param aLoadingNode
* @param aLoadingPrincipal
* @param aTriggeringPrincipal
* @param aSecurityFlags
* @param aContentPolicyType
* These will be used as values for the nsILoadInfo object on the
* created channel. For details, see nsILoadInfo in nsILoadInfo.idl
* @return reference to the new nsIChannel object
*
* Keep in mind that URIs coming from a webpage should *never* use the
* systemPrincipal as the loadingPrincipal.
*
* Please note, if you provide both a loadingNode and a loadingPrincipal,
* then loadingPrincipal must be equal to loadingNode->NodePrincipal().
* But less error prone is to just supply a loadingNode.
*/
void initLoadInfo(in nsIDOMNode aLoadingNode,
in nsIPrincipal aLoadingPrincipal,
in nsIPrincipal aTriggeringPrincipal,
in unsigned long aSecurityFlags,
in unsigned long aContentPolicyType);
/**
* Asynchronously open the websocket connection. Received messages are fed
* to the socket listener as they arrive. The socket listener's methods
* are called on the thread that calls asyncOpen and are not called until
* after asyncOpen returns. If asyncOpen returns successfully, the
* protocol implementation promises to call at least onStop on the listener.
*
* NOTE: Implementations should throw NS_ERROR_ALREADY_OPENED if the
* websocket connection is reopened.
*
* @param aURI the uri of the websocket protocol - may be redirected
* @param aOrigin the uri of the originating resource
* @param aInnerWindowID the inner window ID
* @param aListener the nsIWebSocketListener implementation
* @param aContext an opaque parameter forwarded to aListener's methods
*/
void asyncOpen(in nsIURI aURI,
in ACString aOrigin,
in unsigned long long aInnerWindowID,
in nsIWebSocketListener aListener,
in nsISupports aContext);
/*
* Close the websocket connection for writing - no more calls to sendMsg
* or sendBinaryMsg should be made after calling this. The listener object
* may receive more messages if a server close has not yet been received.
*
* @param aCode the websocket closing handshake close code. Set to 0 if
* you are not providing a code.
* @param aReason the websocket closing handshake close reason
*/
void close(in unsigned short aCode, in AUTF8String aReason);
// section 7.4.1 defines these close codes
const unsigned short CLOSE_NORMAL = 1000;
const unsigned short CLOSE_GOING_AWAY = 1001;
const unsigned short CLOSE_PROTOCOL_ERROR = 1002;
const unsigned short CLOSE_UNSUPPORTED_DATATYPE = 1003;
// code 1004 is reserved
const unsigned short CLOSE_NO_STATUS = 1005;
const unsigned short CLOSE_ABNORMAL = 1006;
const unsigned short CLOSE_INVALID_PAYLOAD = 1007;
const unsigned short CLOSE_POLICY_VIOLATION = 1008;
const unsigned short CLOSE_TOO_LARGE = 1009;
const unsigned short CLOSE_EXTENSION_MISSING = 1010;
// Initially used just for server-side internal errors: adopted later for
// client-side errors too (not clear if will make into spec: see
// http://www.ietf.org/mail-archive/web/hybi/current/msg09372.html
const unsigned short CLOSE_INTERNAL_ERROR = 1011;
// MUST NOT be set as a status code in Close control frame by an endpoint:
// To be used if TLS handshake failed (ex: server certificate unverifiable)
const unsigned short CLOSE_TLS_FAILED = 1015;
/**
* Use to send text message down the connection to WebSocket peer.
*
* @param aMsg the utf8 string to send
*/
void sendMsg(in AUTF8String aMsg);
/**
* Use to send binary message down the connection to WebSocket peer.
*
* @param aMsg the data to send
*/
void sendBinaryMsg(in ACString aMsg);
/**
* Use to send a binary stream (Blob) to Websocket peer.
*
* @param aStream The input stream to be sent.
*/
void sendBinaryStream(in nsIInputStream aStream,
in unsigned long length);
/**
* This value determines how often (in seconds) websocket keepalive
* pings are sent. If set to 0 (the default), no pings are ever sent.
*
* This value can currently only be set before asyncOpen is called, else
* NS_ERROR_IN_PROGRESS is thrown.
*
* Be careful using this setting: ping traffic can consume lots of power and
* bandwidth over time.
*/
attribute unsigned long pingInterval;
/**
* This value determines how long (in seconds) the websocket waits for
* the server to reply to a ping that has been sent before considering the
* connection broken.
*
* This value can currently only be set before asyncOpen is called, else
* NS_ERROR_IN_PROGRESS is thrown.
*/
attribute unsigned long pingTimeout;
/**
* Unique ID for this channel. It's not readonly because when the channel is
* created via IPC, the serial number is received from the child process.
*/
attribute unsigned long serial;
/**
* Set a nsITransportProvider and negotated extensions to be used by this
* channel. Calling this function also means that this channel will
* implement the server-side part of a websocket connection rather than the
* client-side part.
*/
void setServerParameters(in nsITransportProvider aProvider,
in ACString aNegotiatedExtensions);
%{C++
inline uint32_t Serial()
{
uint32_t serial;
nsresult rv = GetSerial(&serial);
if (NS_WARN_IF(NS_FAILED(rv))) {
return 0;
}
return serial;
}
%}
};
|
