[−][src]Struct mles_utils::MsgHdr
MsgHdr structure
This structure defines the header of the Mles message including first 'M' byte, length of the encoded data, connection id and SipHash key. Encoded message will always be in network byte order.
Implementations
impl MsgHdr
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pub fn new(len: u32, cid: u32, key: u64) -> MsgHdr
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Create a new MsgHdr object with length, cid and key.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let msghdr = MsgHdr::new(len, cid, key);
pub fn get_type(&self) -> u8
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Get type of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.get_type(); assert_eq!('M' as u8, msghdr.get_type());
pub fn get_hdrkey_len() -> usize
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Get MsgHdr length on the line.
pub fn set_len(&mut self, len: u32)
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Set length of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_len(515);
pub fn get_len(&self) -> u32
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Get length of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_len(515); assert_eq!(515, msghdr.get_len());
pub fn set_cid(&mut self, cid: u32)
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Set cid of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_cid(515);
pub fn get_cid(&self) -> u32
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Get cid of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_cid(515); assert_eq!(515, msghdr.get_cid());
pub fn set_key(&mut self, key: u64)
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Set key of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_key(515);
pub fn get_key(&self) -> u64
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Get key of MsgHdr.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); msghdr.set_key(515); assert_eq!(515, msghdr.get_key());
pub fn encode(&self) -> Vec<u8>
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Encode MsgHdr to line format.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 0; let mut msghdr = MsgHdr::new(len, cid, key); let msgv: Vec<u8> = msghdr.encode();
pub fn decode(buf: Vec<u8>) -> MsgHdr
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Decode MsgHdr from line format.
Example
use mles_utils::{MsgHdr}; let key = 0xf00f; let cid = MsgHdr::select_cid(key); let len = 16; let mut msghdr = MsgHdr::new(len, cid, key); let msgv: Vec<u8> = msghdr.encode(); let msgh = MsgHdr::decode(msgv); assert_eq!(key, msgh.get_key()); assert_eq!(cid, msgh.get_cid()); assert_eq!(len, msgh.get_len());
pub fn do_hash(t: &[String]) -> u64
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Do a valid hash for Mles over provided UTF-8 String list.
Example
use mles_utils::MsgHdr; let hashstr1 = "A string".to_string(); let hashstr2 = "Another string".to_string(); let hashable = vec![hashstr1, hashstr2]; let key: u64 = MsgHdr::do_hash(&hashable);
pub fn select_cid(key: u64) -> u32
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Return a connection id from key.
Example
use mles_utils::MsgHdr; let cid = MsgHdr::select_cid(0x1000000100000001); assert_eq!(cid, 0x00000001);
pub fn addr2str(addr: &SocketAddr) -> String
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Do a valid UTF-8 string from a SocketAddr
.
For IPv4 the format is "x.x.x.x:y", where x is u8 and y is u16 For IPv6 the format is "[z:z:z:z:z:z:z:z]:y", where z is u16 in hexadecimal format and y is u16
Example
use std::net::{SocketAddr, IpAddr, Ipv4Addr, Ipv6Addr}; use mles_utils::MsgHdr; let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 8080); let addrstr = MsgHdr::addr2str(&addr); assert_eq!("127.0.0.1:8080", addrstr); let addr = SocketAddr::new(IpAddr::V6(Ipv6Addr::new(0xff03, 0, 0, 0, 0, 0, 0, 1)), 8077); let addrstr = MsgHdr::addr2str(&addr); assert_eq!("[ff03:0:0:0:0:0:0:1]:8077", addrstr);
Auto Trait Implementations
impl RefUnwindSafe for MsgHdr
impl Send for MsgHdr
impl Sync for MsgHdr
impl Unpin for MsgHdr
impl UnwindSafe for MsgHdr
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,