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+/* vim:set ts=4 sw=4 et cindent: */
+/* 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/. */
+
+#include "nsISupports.idl"
+
+interface nsINetAddr;
+interface nsIUDPSocketListener;
+interface nsIUDPSocketSyncListener;
+interface nsIUDPMessage;
+interface nsISocketTransport;
+interface nsIOutputStream;
+interface nsIInputStream;
+interface nsIPrincipal;
+
+%{ C++
+#include "nsTArrayForwardDeclare.h"
+namespace mozilla {
+namespace net {
+union NetAddr;
+}
+}
+%}
+native NetAddr(mozilla::net::NetAddr);
+[ptr] native NetAddrPtr(mozilla::net::NetAddr);
+[ref] native Uint8TArrayRef(FallibleTArray<uint8_t>);
+
+/**
+ * nsIUDPSocket
+ *
+ * An interface to a UDP socket that can accept incoming connections.
+ */
+[scriptable, uuid(d423bf4e-4499-40cf-bc03-153e2bf206d1)]
+interface nsIUDPSocket : nsISupports
+{
+ /**
+ * init
+ *
+ * This method initializes a UDP socket.
+ *
+ * @param aPort
+ * The port of the UDP socket. Pass -1 to indicate no preference,
+ * and a port will be selected automatically.
+ * @param aLoopbackOnly
+ * If true, the UDP socket will only respond to connections on the
+ * local loopback interface. Otherwise, it will accept connections
+ * from any interface. To specify a particular network interface,
+ * use initWithAddress.
+ * @param aPrincipal
+ * The principal connected to this socket.
+ * @param aAddressReuse
+ * If true, the socket is allowed to be bound to an address that is
+ * already in use. Default is true.
+ */
+ [optional_argc] void init(in long aPort,
+ in boolean aLoopbackOnly,
+ in nsIPrincipal aPrincipal,
+ [optional] in boolean aAddressReuse);
+
+ [optional_argc] void init2(in AUTF8String aAddr,
+ in long aPort,
+ in nsIPrincipal aPrincipal,
+ [optional] in boolean aAddressReuse);
+
+ /**
+ * initWithAddress
+ *
+ * This method initializes a UDP socket, and binds it to a particular
+ * local address (and hence a particular local network interface).
+ *
+ * @param aAddr
+ * The address to which this UDP socket should be bound.
+ * @param aPrincipal
+ * The principal connected to this socket.
+ * @param aAddressReuse
+ * If true, the socket is allowed to be bound to an address that is
+ * already in use. Default is true.
+ */
+ [noscript, optional_argc] void initWithAddress([const] in NetAddrPtr aAddr,
+ in nsIPrincipal aPrincipal,
+ [optional] in boolean aAddressReuse);
+
+ /**
+ * close
+ *
+ * This method closes a UDP socket. This does not affect already
+ * connected client sockets (i.e., the nsISocketTransport instances
+ * created from this UDP socket). This will cause the onStopListening
+ * event to asynchronously fire with a status of NS_BINDING_ABORTED.
+ */
+ void close();
+
+ /**
+ * asyncListen
+ *
+ * This method puts the UDP socket in the listening state. It will
+ * asynchronously listen for and accept client connections. The listener
+ * will be notified once for each client connection that is accepted. The
+ * listener's onSocketAccepted method will be called on the same thread
+ * that called asyncListen (the calling thread must have a nsIEventTarget).
+ *
+ * The listener will be passed a reference to an already connected socket
+ * transport (nsISocketTransport). See below for more details.
+ *
+ * @param aListener
+ * The listener to be notified when client connections are accepted.
+ */
+ void asyncListen(in nsIUDPSocketListener aListener);
+
+ /**
+ * This adds a nsIUDPSocketSyncListener listener (defined below).
+ * When data is available onPacketReceived is called and the lisener uses
+ * recvWithAddr to actually retrive data from the socket.
+ * The listener can be use only if it runs on the socket thread.
+ * If it is used off the socket thread there is a risk of triggering a bug
+ * in OS thatcan cause a crash.
+ */
+ void syncListen(in nsIUDPSocketSyncListener aListener);
+
+ /**
+ * connect
+ *
+ * This method connects the UDP socket to a remote UDP address.
+ *
+ * @param aRemoteAddr
+ * The remote address to connect to
+ */
+ void connect([const] in NetAddrPtr aAddr);
+
+ /**
+ * Returns the local address of this UDP socket
+ */
+ readonly attribute nsINetAddr localAddr;
+
+ /**
+ * Returns the port of this UDP socket.
+ */
+ readonly attribute long port;
+
+ /**
+ * Returns the address to which this UDP socket is bound. Since a
+ * UDP socket may be bound to multiple network devices, this address
+ * may not necessarily be specific to a single network device. In the
+ * case of an IP socket, the IP address field would be zerod out to
+ * indicate a UDP socket bound to all network devices. Therefore,
+ * this method cannot be used to determine the IP address of the local
+ * system. See nsIDNSService::myHostName if this is what you need.
+ */
+ [noscript] NetAddr getAddress();
+
+ /**
+ * send
+ *
+ * Send out the datagram to specified remote host and port.
+ * DNS lookup will be triggered.
+ *
+ * @param host The remote host name.
+ * @param port The remote port.
+ * @param data The buffer containing the data to be written.
+ * @return number of bytes written. (0 or length of data)
+ */
+ unsigned long send(in AUTF8String host, in unsigned short port,
+ in Array<uint8_t> data);
+
+ /**
+ * sendWithAddr
+ *
+ * Send out the datagram to specified remote host and port.
+ *
+ * @param addr The remote host address.
+ * @param data The buffer containing the data to be written.
+ * @return number of bytes written. (0 or length of data)
+ */
+ unsigned long sendWithAddr(in nsINetAddr addr,
+ in Array<uint8_t> data);
+
+
+ /**
+ * Receive a datagram.
+ * @param addr The remote host address.
+ * @param data The buffer to store received datagram.
+ */
+ [noscript] void recvWithAddr(out NetAddr addr,
+ out Array<uint8_t> data);
+
+ /**
+ * sendWithAddress
+ *
+ * Send out the datagram to specified remote address and port.
+ *
+ * @param addr The remote host address.
+ * @param data The buffer containing the data to be written.
+ * @return number of bytes written. (0 or length of data)
+ */
+ [noscript] unsigned long sendWithAddress([const] in NetAddrPtr addr,
+ in Array<uint8_t> data);
+
+ /**
+ * sendBinaryStream
+ *
+ * Send out the datagram to specified remote address and port.
+ *
+ * @param host The remote host name.
+ * @param port The remote port.
+ * @param stream The input stream to be sent. This must be a buffered stream implementation.
+ */
+ void sendBinaryStream(in AUTF8String host, in unsigned short port,
+ in nsIInputStream stream);
+
+ /**
+ * sendBinaryStreamWithAddress
+ *
+ * Send out the datagram to specified remote address and port.
+ *
+ * @param addr The remote host address.
+ * @param stream The input stream to be sent. This must be a buffered stream implementation.
+ */
+ void sendBinaryStreamWithAddress([const] in NetAddrPtr addr,
+ in nsIInputStream stream);
+
+ /**
+ * joinMulticast
+ *
+ * Join the multicast group specified by |addr|. You are then able to
+ * receive future datagrams addressed to the group.
+ *
+ * @param addr
+ * The multicast group address.
+ * @param iface
+ * The local address of the interface on which to join the group. If
+ * this is not specified, the OS may join the group on all interfaces
+ * or only the primary interface.
+ */
+ void joinMulticast(in AUTF8String addr, [optional] in AUTF8String iface);
+ [noscript] void joinMulticastAddr([const] in NetAddr addr,
+ [const, optional] in NetAddrPtr iface);
+
+ /**
+ * leaveMulticast
+ *
+ * Leave the multicast group specified by |addr|. You will no longer
+ * receive future datagrams addressed to the group.
+ *
+ * @param addr
+ * The multicast group address.
+ * @param iface
+ * The local address of the interface on which to leave the group.
+ * If this is not specified, the OS may leave the group on all
+ * interfaces or only the primary interface.
+ */
+ void leaveMulticast(in AUTF8String addr, [optional] in AUTF8String iface);
+ [noscript] void leaveMulticastAddr([const] in NetAddr addr,
+ [const, optional] in NetAddrPtr iface);
+
+ /**
+ * multicastLoopback
+ *
+ * Whether multicast datagrams sent via this socket should be looped back to
+ * this host (assuming this host has joined the relevant group). Defaults
+ * to true.
+ * Note: This is currently write-only.
+ */
+ attribute boolean multicastLoopback;
+
+ /**
+ * multicastInterface
+ *
+ * The interface that should be used for sending future multicast datagrams.
+ * Note: This is currently write-only.
+ */
+ attribute AUTF8String multicastInterface;
+
+ /**
+ * multicastInterfaceAddr
+ *
+ * The interface that should be used for sending future multicast datagrams.
+ * Note: This is currently write-only.
+ */
+ [noscript] attribute NetAddr multicastInterfaceAddr;
+
+ /**
+ * recvBufferSize
+ *
+ * The size of the receive buffer. Default depends on the OS.
+ */
+ [noscript] attribute long recvBufferSize;
+
+ /**
+ * sendBufferSize
+ *
+ * The size of the send buffer. Default depends on the OS.
+ */
+ [noscript] attribute long sendBufferSize;
+
+ /**
+ * dontFragment
+ *
+ * The don't fragment flag.
+ * The socket must be initialized before calling this function.
+ */
+ [noscript] attribute boolean dontFragment;
+};
+
+/**
+ * nsIUDPSocketListener
+ *
+ * This interface is notified whenever a UDP socket accepts a new connection.
+ * The transport is in the connected state, and read/write streams can be opened
+ * using the normal nsITransport API. The address of the client can be found by
+ * calling the nsISocketTransport::GetAddress method or by inspecting
+ * nsISocketTransport::GetHost, which returns a string representation of the
+ * client's IP address (NOTE: this may be an IPv4 or IPv6 string literal).
+ */
+[scriptable, uuid(2E4B5DD3-7358-4281-B81F-10C62EF39CB5)]
+interface nsIUDPSocketListener : nsISupports
+{
+ /**
+ * onPacketReceived
+ *
+ * This method is called when a client sends an UDP packet.
+ *
+ * @param aSocket
+ * The UDP socket.
+ * @param aMessage
+ * The message.
+ */
+ void onPacketReceived(in nsIUDPSocket aSocket,
+ in nsIUDPMessage aMessage);
+
+ /**
+ * onStopListening
+ *
+ * This method is called when the listening socket stops for some reason.
+ * The UDP socket is effectively dead after this notification.
+ *
+ * @param aSocket
+ * The UDP socket.
+ * @param aStatus
+ * The reason why the UDP socket stopped listening. If the
+ * UDP socket was manually closed, then this value will be
+ * NS_BINDING_ABORTED.
+ */
+ void onStopListening(in nsIUDPSocket aSocket, in nsresult aStatus);
+};
+
+/**
+ * nsIUDPMessage
+ *
+ * This interface is used to encapsulate an incomming UDP message
+ */
+[scriptable, builtinclass, uuid(afdc743f-9cc0-40d8-b442-695dc54bbb74)]
+interface nsIUDPMessage : nsISupports
+{
+ /**
+ * Address of the source of the message
+ */
+ readonly attribute nsINetAddr fromAddr;
+
+ /**
+ * Data of the message
+ */
+ readonly attribute ACString data;
+
+ /**
+ * Stream to send a response
+ */
+ readonly attribute nsIOutputStream outputStream;
+
+ /**
+ * Raw Data of the message
+ */
+ [implicit_jscontext] readonly attribute jsval rawData;
+ [noscript, notxpcom, nostdcall] Uint8TArrayRef getDataAsTArray();
+};
+
+[uuid(99f3d085-3d69-45da-a2c2-a6176af617cb)]
+interface nsIUDPSocketSyncListener : nsISupports
+{
+ /**
+ * onPacketReceived
+ *
+ * This method is called when a client sends an UDP packet.
+ *
+ * @param aSocket
+ * The UDP socket.
+ * @param aMessage
+ * The message.
+ */
+ void onPacketReceived(in nsIUDPSocket aSocket);
+
+ /**
+ * onStopListening
+ *
+ * This method is called when the listening socket stops for some reason.
+ * The UDP socket is effectively dead after this notification.
+ *
+ * @param aSocket
+ * The UDP socket.
+ * @param aStatus
+ * The reason why the UDP socket stopped listening. If the
+ * UDP socket was manually closed, then this value will be
+ * NS_BINDING_ABORTED.
+ */
+ void onStopListening(in nsIUDPSocket aSocket, in nsresult aStatus);
+};