make KCP_OVERHEAD public

Author: zonyitoo

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "kcp"
-version = "0.5.1"
+version = "0.5.2"
 authors = ["Matrix <[email protected]>", "Y. T. Chung <[email protected]>"]
 description = "Reliable-UDP Library for Rust"
 license = "MIT"
@@ -21,4 +21,4 @@ thiserror = "1.0.36"
 [dev-dependencies]
 time = "0.3"
 rand = "0.8"
-env_logger = "0.9"
+env_logger = "0.10"

src/kcp.rs

@@ -31,7 +31,8 @@ const KCP_MTU_DEF: usize = 1400;
 // const KCP_ACK_FAST: u32 = 3;
 
 const KCP_INTERVAL: u32 = 100;
-const KCP_OVERHEAD: usize = 24;
+/// KCP Header size
+pub const KCP_OVERHEAD: usize = 24;
 const KCP_DEADLINK: u32 = 20;
 
 const KCP_THRESH_INIT: u16 = 2;