Struct xpcom::interfaces::nsIIOService [] [src]

#[repr(C)]
pub struct nsIIOService { /* fields omitted */ }

interface nsIIOService : nsISupports

/**
 * nsIIOService provides a set of network utility functions.  This interface
 * duplicates many of the nsIProtocolHandler methods in a protocol handler
 * independent way (e.g., NewURI inspects the scheme in order to delegate
 * creation of the new URI to the appropriate protocol handler).  nsIIOService
 * also provides a set of URL parsing utility functions.  These are provided
 * as a convenience to the programmer and in some cases to improve performance
 * by eliminating intermediate data structures and interfaces.
 */

Methods

impl nsIIOService
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Cast this nsIIOService to one of its base interfaces.

impl nsIIOService
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/**
     * Returns a protocol handler for a given URI scheme.
     *
     * @param aScheme the URI scheme
     * @return reference to corresponding nsIProtocolHandler
     */

nsIProtocolHandler getProtocolHandler (in string aScheme);

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/**
     * Returns the protocol flags for a given scheme.
     *
     * @param aScheme the URI scheme
     * @return value of corresponding nsIProtocolHandler::protocolFlags
     */

unsigned long getProtocolFlags (in string aScheme);

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/**
     * This method constructs a new URI by determining the scheme of the
     * URI spec, and then delegating the construction of the URI to the
     * protocol handler for that scheme. QueryInterface can be used on
     * the resulting URI object to obtain a more specific type of URI.
     *
     * @see nsIProtocolHandler::newURI
     */

nsIURI newURI (in AUTF8String aSpec, [optional] in string aOriginCharset, [optional] in nsIURI aBaseURI);

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/**
     * This method constructs a new URI from a nsIFile.
     *
     * @param aFile specifies the file path
     * @return reference to a new nsIURI object
     *
     * Note: in the future, for perf reasons we should allow
     * callers to specify whether this is a file or directory by
     * splitting this  into newDirURI() and newActualFileURI().
     */

nsIURI newFileURI (in nsIFile aFile);

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/**
     * Creates a channel for a given URI.
     *
     * @param aURI
     *        nsIURI from which to make a channel
     * @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
     *
     * 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.
     *
     * Keep in mind that URIs coming from a webpage should *never* use the
     * systemPrincipal as the loadingPrincipal.
     */

nsIChannel newChannelFromURI2 (in nsIURI aURI, in nsIDOMNode aLoadingNode, in nsIPrincipal aLoadingPrincipal, in nsIPrincipal aTriggeringPrincipal, in unsigned long aSecurityFlags, in unsigned long aContentPolicyType);

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/**
     * Equivalent to newChannelFromURI2(aURI, aLoadingNode, ...)
     */

nsIChannel newChannelFromURIWithLoadInfo (in nsIURI aURI, in nsILoadInfo aLoadInfo);

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/**
     * Equivalent to newChannelFromURI2(newURI(...))
     */

nsIChannel newChannel2 (in AUTF8String aSpec, in string aOriginCharset, in nsIURI aBaseURI, in nsIDOMNode aLoadingNode, in nsIPrincipal aLoadingPrincipal, in nsIPrincipal aTriggeringPrincipal, in unsigned long aSecurityFlags, in unsigned long aContentPolicyType);

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/**
     * ***** DEPRECATED *****
     * Please use NewChannelFromURI2()
     *
     * Creates a channel for a given URI.
     *
     * @param aURI nsIURI from which to make a channel
     * @return reference to the new nsIChannel object
     */

nsIChannel newChannelFromURI (in nsIURI aURI);

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/**
     * ***** DEPRECATED *****
     * Please use newChannel2().
     *
     * Equivalent to newChannelFromURI(newURI(...))
     */

nsIChannel newChannel (in AUTF8String aSpec, in string aOriginCharset, in nsIURI aBaseURI);

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/**
     * Returns true if networking is in "offline" mode. When in offline mode,
     * attempts to access the network will fail (although this does not
     * necessarily correlate with whether there is actually a network
     * available -- that's hard to detect without causing the dialer to
     * come up).
     *
     * Changing this fires observer notifications ... see below.
     */

attribute boolean offline;

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/**
     * Returns true if networking is in "offline" mode. When in offline mode,
     * attempts to access the network will fail (although this does not
     * necessarily correlate with whether there is actually a network
     * available -- that's hard to detect without causing the dialer to
     * come up).
     *
     * Changing this fires observer notifications ... see below.
     */

attribute boolean offline;

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/**
     * Returns false if there are no interfaces for a network request
     */

readonly attribute boolean connectivity;

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/**
     * Checks if a port number is banned. This involves consulting a list of
     * unsafe ports, corresponding to network services that may be easily
     * exploitable. If the given port is considered unsafe, then the protocol
     * handler (corresponding to aScheme) will be asked whether it wishes to
     * override the IO service's decision to block the port. This gives the
     * protocol handler ultimate control over its own security policy while
     * ensuring reasonable, default protection.
     *
     * @see nsIProtocolHandler::allowPort
     */

boolean allowPort (in long aPort, in string aScheme);

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/**
     * Utility to extract the scheme from a URL string, consistently and
     * according to spec (see RFC 2396).
     *
     * NOTE: Most URL parsing is done via nsIURI, and in fact the scheme
     * can also be extracted from a URL string via nsIURI.  This method
     * is provided purely as an optimization.
     *
     * @param aSpec the URL string to parse
     * @return URL scheme
     *
     * @throws NS_ERROR_MALFORMED_URI if URL string is not of the right form.
     */

ACString extractScheme (in AUTF8String urlString);

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/**
     * Checks if a URI host is a local IPv4 or IPv6 address literal.
     *
     * @param nsIURI the URI that contains the hostname to check
     * @return true if the URI hostname is a local IP address
     */

boolean hostnameIsLocalIPAddress (in nsIURI aURI);

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/**
     * While this is set, IOService will monitor an nsINetworkLinkService
     * (if available) and set its offline status to "true" whenever
     * isLinkUp is false.
     *
     * Applications that want to control changes to the IOService's offline
     * status should set this to false, watch for network:link-status-changed
     * broadcasts, and change nsIIOService::offline as they see fit. Note
     * that this means during application startup, IOService may be offline
     * if there is no link, until application code runs and can turn off
     * this management.
     */

attribute boolean manageOfflineStatus;

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/**
     * While this is set, IOService will monitor an nsINetworkLinkService
     * (if available) and set its offline status to "true" whenever
     * isLinkUp is false.
     *
     * Applications that want to control changes to the IOService's offline
     * status should set this to false, watch for network:link-status-changed
     * broadcasts, and change nsIIOService::offline as they see fit. Note
     * that this means during application startup, IOService may be offline
     * if there is no link, until application code runs and can turn off
     * this management.
     */

attribute boolean manageOfflineStatus;

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/**
     * Creates a channel for a given URI.
     *
     * @param aURI
     *        nsIURI from which to make a channel
     * @param aProxyURI
     *        nsIURI to use for proxy resolution. Can be null in which
     *        case aURI is used
     * @param aProxyFlags flags from nsIProtocolProxyService to use
     *        when resolving proxies for this new channel
     * @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
     *
     * 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.
     */

nsIChannel newChannelFromURIWithProxyFlags2 (in nsIURI aURI, in nsIURI aProxyURI, in unsigned long aProxyFlags, in nsIDOMNode aLoadingNode, in nsIPrincipal aLoadingPrincipal, in nsIPrincipal aTriggeringPrincipal, in unsigned long aSecurityFlags, in unsigned long aContentPolicyType);

Methods from Deref<Target = nsISupports>

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Cast this nsISupports to one of its base interfaces.

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void QueryInterface (in nsIIDRef uuid, [iid_is (uuid), retval] out nsQIResult result);

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[noscript,notxpcom] nsrefcnt AddRef ();

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[noscript,notxpcom] nsrefcnt Release ();

Trait Implementations

impl XpCom for nsIIOService
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IID: nsIID = nsID(1116135002, 45802, 17519, [143, 112, 226, 164, 97, 244, 38, 148])

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Perform a QueryInterface call on this object, attempting to dynamically cast it to the requested interface type. Returns Some(RefPtr) if the cast succeeded, and None otherwise. Read more

impl RefCounted for nsIIOService
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Increment the reference count.

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Decrement the reference count, potentially freeing backing memory.

impl Deref for nsIIOService
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The resulting type after dereferencing.

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Dereferences the value.