Struct DecodeLimits 

pub struct DecodeLimits {
    pub max_frame_bytes: usize,
    pub max_string_bytes: usize,
    pub max_blob_bytes: usize,
    pub max_table_entries: usize,
    pub max_expr_nodes: usize,
    pub max_depth: usize,
    pub max_trivia_items: usize,
}

Fail-closed bounds applied while decoding an untrusted bitwise frame.

Every count and length read from a frame is checked against these limits before any allocation, so a malformed or hostile frame cannot exhaust memory or recurse without bound. Construct via DecodeLimits::default or from the shared sim_codec::DecodeLimits (see the From impl).

Fields

max_frame_bytes: usize

Maximum total size, in bytes, of the frame accepted by the reader.

max_string_bytes: usize

Maximum length, in bytes, of any single decoded string.

max_blob_bytes: usize

Maximum length, in bytes, of any single decoded byte blob.

max_table_entries: usize

Maximum number of entries in any side table or collection.

max_expr_nodes: usize

Maximum number of Expr nodes decoded from one frame.

max_depth: usize

Maximum nesting depth of the decoded Expr graph.

max_trivia_items: usize

Maximum number of trivia items carried by a single origin.

Trait Implementations

impl Clone for DecodeLimits

fn clone(&self) -> DecodeLimits

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for DecodeLimits

impl Debug for DecodeLimits

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

Formats the value using the given formatter.

impl Default for DecodeLimits

fn default() -> Self

Returns the “default value” for a type.

impl Eq for DecodeLimits

impl From<DecodeLimits> for DecodeLimits

fn from(shared: SharedDecodeLimits) -> Self

Converts to this type from the input type.

impl PartialEq for DecodeLimits

fn eq(&self, other: &DecodeLimits) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for DecodeLimits