pub enum NodeRequest {
Show 17 variants Clone { flags: OpenFlags, object: ServerEnd<NodeMarker>, control_handle: NodeControlHandle, }, GetAttr { responder: NodeGetAttrResponder, }, SetAttr { flags: NodeAttributeFlags, attributes: NodeAttributes, responder: NodeSetAttrResponder, }, GetFlags { responder: NodeGetFlagsResponder, }, SetFlags { flags: OpenFlags, responder: NodeSetFlagsResponder, }, QueryFilesystem { responder: NodeQueryFilesystemResponder, }, Close { responder: NodeCloseResponder, }, Query { responder: NodeQueryResponder, }, Reopen { rights_request: RightsRequest, object_request: ServerEnd<NodeMarker>, control_handle: NodeControlHandle, }, GetConnectionInfo { responder: NodeGetConnectionInfoResponder, }, GetAttributes { query: NodeAttributesQuery, responder: NodeGetAttributesResponder, }, UpdateAttributes { payload: MutableNodeAttributes, responder: NodeUpdateAttributesResponder, }, Sync { responder: NodeSyncResponder, }, ListExtendedAttributes { iterator: ServerEnd<ExtendedAttributeIteratorMarker>, control_handle: NodeControlHandle, }, GetExtendedAttribute { name: Vec<u8>, responder: NodeGetExtendedAttributeResponder, }, SetExtendedAttribute { name: Vec<u8>, value: ExtendedAttributeValue, mode: SetExtendedAttributeMode, responder: NodeSetExtendedAttributeResponder, }, RemoveExtendedAttribute { name: Vec<u8>, responder: NodeRemoveExtendedAttributeResponder, },
}

Variants§

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Clone

Fields

§object: ServerEnd<NodeMarker>
§control_handle: NodeControlHandle

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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GetAttr

Fields

Acquires information about the node.

This method does not require any rights.

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SetAttr

Updates information about the node.

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

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GetFlags

Fields

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

This method does not require any rights.

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SetFlags

Fields

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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QueryFilesystem

Query the filesystem for filesystem-specific information.

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Close

Fields

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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Query

Fields

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Reopen

Fields

§rights_request: RightsRequest
§object_request: ServerEnd<NodeMarker>
§control_handle: NodeControlHandle

Creates another connection to the same node.

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GetConnectionInfo

Acquires information about the connection.

This method does not require any rights.

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GetAttributes

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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UpdateAttributes

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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Sync

Fields

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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ListExtendedAttributes

Fields

§control_handle: NodeControlHandle

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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GetExtendedAttribute

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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SetExtendedAttribute

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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RemoveExtendedAttribute

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.

Implementations§

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impl NodeRequest

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pub fn into_clone( self ) -> Option<(OpenFlags, ServerEnd<NodeMarker>, NodeControlHandle)>

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pub fn into_get_attr(self) -> Option<NodeGetAttrResponder>

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pub fn into_set_attr( self ) -> Option<(NodeAttributeFlags, NodeAttributes, NodeSetAttrResponder)>

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pub fn into_get_flags(self) -> Option<NodeGetFlagsResponder>

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pub fn into_set_flags(self) -> Option<(OpenFlags, NodeSetFlagsResponder)>

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pub fn into_query_filesystem(self) -> Option<NodeQueryFilesystemResponder>

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pub fn into_close(self) -> Option<NodeCloseResponder>

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pub fn into_query(self) -> Option<NodeQueryResponder>

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pub fn into_reopen( self ) -> Option<(RightsRequest, ServerEnd<NodeMarker>, NodeControlHandle)>

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pub fn into_get_connection_info(self) -> Option<NodeGetConnectionInfoResponder>

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pub fn into_get_attributes( self ) -> Option<(NodeAttributesQuery, NodeGetAttributesResponder)>

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pub fn into_update_attributes( self ) -> Option<(MutableNodeAttributes, NodeUpdateAttributesResponder)>

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pub fn into_sync(self) -> Option<NodeSyncResponder>

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pub fn into_list_extended_attributes( self ) -> Option<(ServerEnd<ExtendedAttributeIteratorMarker>, NodeControlHandle)>

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pub fn into_get_extended_attribute( self ) -> Option<(Vec<u8>, NodeGetExtendedAttributeResponder)>

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pub fn into_set_extended_attribute( self ) -> Option<(Vec<u8>, ExtendedAttributeValue, SetExtendedAttributeMode, NodeSetExtendedAttributeResponder)>

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pub fn into_remove_extended_attribute( self ) -> Option<(Vec<u8>, NodeRemoveExtendedAttributeResponder)>

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pub fn method_name(&self) -> &'static str

Name of the method defined in FIDL

Trait Implementations§

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impl Debug for NodeRequest

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

Formats the value using the given formatter. Read more

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unsafe fn encode( self, _encoder: &mut Encoder<'_>, _offset: usize, _depth: Depth ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. Read more
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impl<T> Encode<Ambiguous2> for T

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