pub struct SymlinkProxy { /* private fields */ }

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impl SymlinkProxy

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pub fn new(channel: AsyncChannel) -> Self

Create a new Proxy for fuchsia.io/Symlink.

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pub fn take_event_stream(&self) -> SymlinkEventStream

Get a Stream of events from the remote end of the protocol.

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Panics if the event stream was already taken.

Creates a link to this this object with name dst in the directory represented by dst_parent_token.

dst must be a resolved object name. Including “/” in the string will return ZX_ERR_INVALID_ARGS.

This method requires the maximal set of rights supported by the filesystem for this object. For files this would typically be [Rights.READ_BYTES], [Rights.WRITE_BYTES], [Rights.GET_ATTRIBUTES] and [Rights.UPDATE_ATTRIBUTES]. Some filesystems might also support the [Rights.EXECUTE] right. Insufficient rights will result in ZX_ERR_ACCESS_DENIED.

If this object has no links, it will fail with ZX_ERR_NOT_FOUND.

This method does not have the same atomicity properties has the Directory::Link method, which means that calling Open then LinkInto is not equivalent to Directory::Link because LinkInto will not prevent the source from being renamed or unlinked.

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pub fn clone( &self, flags: OpenFlags, object: ServerEnd<NodeMarker> ) -> Result<(), Error>

Create another connection to the same remote object.

flags may be any of:

  • OpenFlags.RIGHT_*
  • OpenFlags.APPEND
  • OpenFlags.DESCRIBE
  • OpenFlags.CLONE_SAME_RIGHTS

All other flags are ignored.

The OpenFlags.RIGHT_* bits in flags request corresponding rights over the resulting cloned object. The cloned object must have rights less than or equal to the original object, otherwise returns ZX_ERR_ACCESS_DENIED. Alternatively, pass OpenFlags.CLONE_SAME_RIGHTS to inherit the rights on the source connection. It is invalid to pass any of the OpenFlags.RIGHT_* flags together with OpenFlags.CLONE_SAME_RIGHTS.

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pub fn get_attr(&self) -> QueryResponseFut<(i32, NodeAttributes)>

Acquires information about the node.

This method does not require any rights.

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pub fn set_attr( &self, flags: NodeAttributeFlags, attributes: &NodeAttributes ) -> QueryResponseFut<i32>

Updates information about the node.

This method requires following rights: OpenFlags.RIGHT_WRITABLE, otherwise returns ZX_ERR_BAD_HANDLE.

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pub fn get_flags(&self) -> QueryResponseFut<(i32, OpenFlags)>

Acquires the Directory.Open rights and flags used to access this file.

This method does not require any rights.

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pub fn set_flags(&self, flags: OpenFlags) -> QueryResponseFut<i32>

Changes the Directory.Open flags used to access the file. Supported flags which can be turned on / off:

  • OpenFlags.APPEND

This method does not require any rights.

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pub fn query_filesystem( &self ) -> QueryResponseFut<(i32, Option<Box<FilesystemInfo>>)>

Query the filesystem for filesystem-specific information.

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pub fn close(&self) -> QueryResponseFut<CloseableCloseResult>

Terminates the connection.

After calling Close, the client must not send any other requests.

Servers, after sending the status response, should close the connection regardless of status and without sending an epitaph.

Closing the client end of the channel should be semantically equivalent to calling Close without knowing when the close has completed or its status.

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pub fn query(&self) -> QueryResponseFut<Vec<u8>>

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pub fn reopen( &self, rights_request: &RightsRequest, object_request: ServerEnd<NodeMarker> ) -> Result<(), Error>

Creates another connection to the same node.

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pub fn get_connection_info(&self) -> QueryResponseFut<ConnectionInfo>

Acquires information about the connection.

This method does not require any rights.

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pub fn get_attributes( &self, query: NodeAttributesQuery ) -> QueryResponseFut<Node2GetAttributesResult>

Acquires information about the node.

The attributes of a node should be stable, independent of the specific protocol used to access it.

If a particular attribute is not applicable or not supported, filesystems should leave the corresponding field absent.

  • query a bit-mask specifying which attributes to fetch. The server should not return more than necessary.
  • attributes the returned attributes.

This method requires the [Rights.GET_ATTRIBUTES] right.

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pub fn update_attributes( &self, payload: &MutableNodeAttributes ) -> QueryResponseFut<Node2UpdateAttributesResult>

Updates information about the node.

  • attributes the presence of a table field in attributes indicates the intent to update the corresponding attribute.

This method requires the [Rights.UPDATE_ATTRIBUTES] right.

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pub fn sync(&self) -> QueryResponseFut<Node2SyncResult>

Synchronizes updates to the node to the underlying media, if it exists.

This method will return when the filesystem server has flushed the relevant updates to the underlying media, but does not guarantee the underlying media has persisted the information, nor that any information is committed to hardware. Clients may use Sync to ensure ordering between operations.

This method does not require any rights.

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pub fn list_extended_attributes( &self, iterator: ServerEnd<ExtendedAttributeIteratorMarker> ) -> Result<(), Error>

Creates an iterator over all the extended attribute names associated with this node. If an error occurs it is returned as an epitaph on the iterator request channel, and then the channel is closed.

GetExtendedAttributes can be used with any of these names to retrieve the associated value.

This method requires the [Rights.GET_ATTRIBUTES] right.

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pub fn get_extended_attribute( &self, name: &[u8] ) -> QueryResponseFut<Node2GetExtendedAttributeResult>

Get the value associated with the given attribute name for this node.

Attribute names have a maximum length of MAX_ATTRIBUTE_NAME. No particular structure is imposed on them.

This method requires the [Rights.GET_ATTRIBUTES] right.

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pub fn set_extended_attribute( &self, name: &[u8], value: ExtendedAttributeValue, mode: SetExtendedAttributeMode ) -> QueryResponseFut<Node2SetExtendedAttributeResult>

Set the value for the given attribute name to value for this node.

The attribute name may exist, in which case the attribute is updated. If the attribute doesn’t exist, it is created. The name should have no null bytes in it. If it does, ZX_ERR_INVALID_ARGS is returned.

This method requires the [Rights.UPDATE_ATTRIBUTES] right.

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pub fn remove_extended_attribute( &self, name: &[u8] ) -> QueryResponseFut<Node2RemoveExtendedAttributeResult>

Remove the specified extended attribute.

If the attribute doesn’t exist, ZX_ERR_NOT_FOUND is returned.

This method requires the [Rights.UPDATE_ATTRIBUTES] right.

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pub fn describe(&self) -> QueryResponseFut<SymlinkInfo>

Trait Implementations§

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impl Clone for SymlinkProxy

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fn clone(&self) -> SymlinkProxy

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SymlinkProxy

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Proxy for SymlinkProxy

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type Protocol = SymlinkMarker

The protocol which this Proxy controls.
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fn from_channel(inner: AsyncChannel) -> Self

Create a proxy over the given channel.
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fn into_channel(self) -> Result<AsyncChannel, Self>

Attempt to convert the proxy back into a channel. Read more
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fn as_channel(&self) -> &AsyncChannel

Get a reference to the proxy’s underlying channel. Read more
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fn into_client_end(self) -> Result<ClientEnd<Self::Protocol>, Self>

Attempt to convert the proxy back into a client end. Read more
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fn is_closed(&self) -> bool

Returns true if the proxy has received the PEER_CLOSED signal.
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fn on_closed(&self) -> OnSignals<'_, Unowned<'_, Handle>>

Returns a future that completes when the proxy receives the PEER_CLOSED signal.
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impl SymlinkProxyInterface for SymlinkProxy

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type LinkIntoResponseFut = QueryResponseFut<Result<(), i32>>

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fn clone( &self, flags: OpenFlags, object: ServerEnd<NodeMarker> ) -> Result<(), Error>

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type GetAttrResponseFut = QueryResponseFut<(i32, NodeAttributes)>

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fn get_attr(&self) -> Self::GetAttrResponseFut

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type SetAttrResponseFut = QueryResponseFut<i32>

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fn set_attr( &self, flags: NodeAttributeFlags, attributes: &NodeAttributes ) -> Self::SetAttrResponseFut

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type GetFlagsResponseFut = QueryResponseFut<(i32, OpenFlags)>

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fn get_flags(&self) -> Self::GetFlagsResponseFut

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type SetFlagsResponseFut = QueryResponseFut<i32>

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fn set_flags(&self, flags: OpenFlags) -> Self::SetFlagsResponseFut

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type QueryFilesystemResponseFut = QueryResponseFut<(i32, Option<Box<FilesystemInfo>>)>

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fn query_filesystem(&self) -> Self::QueryFilesystemResponseFut

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type CloseResponseFut = QueryResponseFut<Result<(), i32>>

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fn close(&self) -> Self::CloseResponseFut

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type QueryResponseFut = QueryResponseFut<Vec<u8>>

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fn query(&self) -> Self::QueryResponseFut

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fn reopen( &self, rights_request: &RightsRequest, object_request: ServerEnd<NodeMarker> ) -> Result<(), Error>

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type GetConnectionInfoResponseFut = QueryResponseFut<ConnectionInfo>

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fn get_connection_info(&self) -> Self::GetConnectionInfoResponseFut

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type GetAttributesResponseFut = QueryResponseFut<Result<(MutableNodeAttributes, ImmutableNodeAttributes), i32>>

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fn get_attributes( &self, query: NodeAttributesQuery ) -> Self::GetAttributesResponseFut

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type UpdateAttributesResponseFut = QueryResponseFut<Result<(), i32>>

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fn update_attributes( &self, payload: &MutableNodeAttributes ) -> Self::UpdateAttributesResponseFut

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type SyncResponseFut = QueryResponseFut<Result<(), i32>>

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fn sync(&self) -> Self::SyncResponseFut

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fn list_extended_attributes( &self, iterator: ServerEnd<ExtendedAttributeIteratorMarker> ) -> Result<(), Error>

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type GetExtendedAttributeResponseFut = QueryResponseFut<Result<ExtendedAttributeValue, i32>>

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fn get_extended_attribute( &self, name: &[u8] ) -> Self::GetExtendedAttributeResponseFut

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type SetExtendedAttributeResponseFut = QueryResponseFut<Result<(), i32>>

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fn set_extended_attribute( &self, name: &[u8], value: ExtendedAttributeValue, mode: SetExtendedAttributeMode ) -> Self::SetExtendedAttributeResponseFut

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type RemoveExtendedAttributeResponseFut = QueryResponseFut<Result<(), i32>>

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fn remove_extended_attribute( &self, name: &[u8] ) -> Self::RemoveExtendedAttributeResponseFut

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type DescribeResponseFut = QueryResponseFut<SymlinkInfo>

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fn describe(&self) -> Self::DescribeResponseFut

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