Struct MemoryLimits 

pub struct MemoryLimits {
    pub max_memory_mb: u64,
    pub initial_memory_mb: u64,
    pub max_table_size: u32,
    pub max_memories: usize,
    pub max_tables: usize,
    pub max_instances: usize,
}

Memory limits for WASM instances

Fields

max_memory_mb: u64

Maximum memory per instance in MB

initial_memory_mb: u64

Initial memory allocation per instance in MB

max_table_size: u32

Maximum table size (number of elements)

max_memories: usize

Maximum number of memory instances

max_tables: usize

Maximum number of table instances

max_instances: usize

Maximum number of instances that can be created

Implementations

impl MemoryLimits

pub fn new( max_memory_mb: u64, initial_memory_mb: u64, max_instances: usize, ) -> Self

Create custom memory limits

pub fn max_memory_bytes(&self) -> u64

Convert max memory to bytes

pub fn initial_memory_bytes(&self) -> u64

Convert initial memory to bytes

pub fn validate_request( &self, requested_bytes: u64, current_usage: u64, ) -> Result<()>

Validate memory request

Trait Implementations

impl Clone for MemoryLimits

fn clone(&self) -> MemoryLimits

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MemoryLimits

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

Formats the value using the given formatter.

impl Default for MemoryLimits

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for MemoryLimits

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MemoryLimits

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.