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comparison: netwerk/base/public/nsIUDPSocket.idl

netwerk/base/public/nsIUDPSocket.idl

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1 /* vim:set ts=4 sw=4 et cindent: */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 #include "nsISupports.idl"
7
8 interface nsINetAddr;
9 interface nsIUDPSocketListener;
10 interface nsIUDPMessage;
11 interface nsISocketTransport;
12 interface nsIOutputStream;
13
14 %{ C++
15 #include "nsTArrayForwardDeclare.h"
16 namespace mozilla {
17 namespace net {
18 union NetAddr;
19 }
20 }
21 %}
22 native NetAddr(mozilla::net::NetAddr);
23 [ptr] native NetAddrPtr(mozilla::net::NetAddr);
24 [ref] native Uint8TArrayRef(FallibleTArray<uint8_t>);
25
26 /**
27 * nsIUDPSocket
28 *
29 * An interface to a UDP socket that can accept incoming connections.
30 */
31 [scriptable, uuid(6EFE692D-F0B0-4A9E-9E63-837C7452446D)]
32 interface nsIUDPSocket : nsISupports
33 {
34 /**
35 * init
36 *
37 * This method initializes a UDP socket.
38 *
39 * @param aPort
40 * The port of the UDP socket. Pass -1 to indicate no preference,
41 * and a port will be selected automatically.
42 * @param aLoopbackOnly
43 * If true, the UDP socket will only respond to connections on the
44 * local loopback interface. Otherwise, it will accept connections
45 * from any interface. To specify a particular network interface,
46 * use initWithAddress.
47 */
48 void init(in long aPort, in boolean aLoopbackOnly);
49
50 /**
51 * initWithAddress
52 *
53 * This method initializes a UDP socket, and binds it to a particular
54 * local address (and hence a particular local network interface).
55 *
56 * @param aAddr
57 * The address to which this UDP socket should be bound.
58 */
59 [noscript] void initWithAddress([const] in NetAddrPtr aAddr);
60
61 /**
62 * close
63 *
64 * This method closes a UDP socket. This does not affect already
65 * connected client sockets (i.e., the nsISocketTransport instances
66 * created from this UDP socket). This will cause the onStopListening
67 * event to asynchronously fire with a status of NS_BINDING_ABORTED.
68 */
69 void close();
70
71 /**
72 * asyncListen
73 *
74 * This method puts the UDP socket in the listening state. It will
75 * asynchronously listen for and accept client connections. The listener
76 * will be notified once for each client connection that is accepted. The
77 * listener's onSocketAccepted method will be called on the same thread
78 * that called asyncListen (the calling thread must have a nsIEventTarget).
79 *
80 * The listener will be passed a reference to an already connected socket
81 * transport (nsISocketTransport). See below for more details.
82 *
83 * @param aListener
84 * The listener to be notified when client connections are accepted.
85 */
86 void asyncListen(in nsIUDPSocketListener aListener);
87
88 /**
89 * Returns the port of this UDP socket.
90 */
91 readonly attribute long port;
92
93 /**
94 * Returns the address to which this UDP socket is bound. Since a
95 * UDP socket may be bound to multiple network devices, this address
96 * may not necessarily be specific to a single network device. In the
97 * case of an IP socket, the IP address field would be zerod out to
98 * indicate a UDP socket bound to all network devices. Therefore,
99 * this method cannot be used to determine the IP address of the local
100 * system. See nsIDNSService::myHostName if this is what you need.
101 */
102 [noscript] NetAddr getAddress();
103
104 /**
105 * send
106 *
107 * Send out the datagram to specified remote host and port.
108 * DNS lookup will be triggered.
109 *
110 * @param host The remote host name.
111 * @param port The remote port.
112 * @param data The buffer containing the data to be written.
113 * @param dataLength The maximum number of bytes to be written.
114 * @return number of bytes written. (0 or dataLength)
115 */
116 unsigned long send(in AUTF8String host, in unsigned short port,
117 [const, array, size_is(dataLength)]in uint8_t data,
118 in unsigned long dataLength);
119
120 /**
121 * sendWithAddr
122 *
123 * Send out the datagram to specified remote host and port.
124 *
125 * @param addr The remote host address.
126 * @param data The buffer containing the data to be written.
127 * @param dataLength The maximum number of bytes to be written.
128 * @return number of bytes written. (0 or dataLength)
129 */
130 unsigned long sendWithAddr(in nsINetAddr addr,
131 [const, array, size_is(dataLength)]in uint8_t data,
132 in unsigned long dataLength);
133
134 /**
135 * sendWithAddress
136 *
137 * Send out the datagram to specified remote address and port.
138 *
139 * @param addr The remote host address.
140 * @param data The buffer containing the data to be written.
141 * @param dataLength The maximum number of bytes to be written.
142 * @return number of bytes written. (0 or dataLength)
143 */
144 [noscript] unsigned long sendWithAddress([const] in NetAddrPtr addr,
145 [const, array, size_is(dataLength)]in uint8_t data,
146 in unsigned long dataLength);
147 };
148
149 /**
150 * nsIUDPSocketListener
151 *
152 * This interface is notified whenever a UDP socket accepts a new connection.
153 * The transport is in the connected state, and read/write streams can be opened
154 * using the normal nsITransport API. The address of the client can be found by
155 * calling the nsISocketTransport::GetAddress method or by inspecting
156 * nsISocketTransport::GetHost, which returns a string representation of the
157 * client's IP address (NOTE: this may be an IPv4 or IPv6 string literal).
158 */
159 [scriptable, uuid(2E4B5DD3-7358-4281-B81F-10C62EF39CB5)]
160 interface nsIUDPSocketListener : nsISupports
161 {
162 /**
163 * onPacketReceived
164 *
165 * This method is called when a client sends an UDP packet.
166 *
167 * @param aSocket
168 * The UDP socket.
169 * @param aMessage
170 * The message.
171 */
172 void onPacketReceived(in nsIUDPSocket aSocket,
173 in nsIUDPMessage aMessage);
174
175 /**
176 * onStopListening
177 *
178 * This method is called when the listening socket stops for some reason.
179 * The UDP socket is effectively dead after this notification.
180 *
181 * @param aSocket
182 * The UDP socket.
183 * @param aStatus
184 * The reason why the UDP socket stopped listening. If the
185 * UDP socket was manually closed, then this value will be
186 * NS_BINDING_ABORTED.
187 */
188 void onStopListening(in nsIUDPSocket aSocket, in nsresult aStatus);
189 };
190
191 /**
192 * nsIUDPMessage
193 *
194 * This interface is used to encapsulate an incomming UDP message
195 */
196 [scriptable, uuid(afdc743f-9cc0-40d8-b442-695dc54bbb74)]
197 interface nsIUDPMessage : nsISupports
198 {
199 /**
200 * Address of the source of the message
201 */
202 readonly attribute nsINetAddr fromAddr;
203
204 /**
205 * Data of the message
206 */
207 readonly attribute ACString data;
208
209 /**
210 * Stream to send a response
211 */
212 readonly attribute nsIOutputStream outputStream;
213
214 /**
215 * Raw Data of the message
216 */
217 [implicit_jscontext] readonly attribute jsval rawData;
218 [noscript, notxpcom, nostdcall] Uint8TArrayRef getDataAsTArray();
219 };

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