Remove outdated base_port calculation in std net test

library/std/src/net/test.rs

@@ -5,14 +5,15 @@ use crate::net::{Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6, ToS
 use crate::sync::atomic::{AtomicUsize, Ordering};
 
 static PORT: AtomicUsize = AtomicUsize::new(0);
+const BASE_PORT: u16 = 19600;
 
 pub fn next_test_ip4() -> SocketAddr {
-    let port = PORT.fetch_add(1, Ordering::Relaxed) as u16 + base_port();
+    let port = PORT.fetch_add(1, Ordering::Relaxed) as u16 + BASE_PORT;
     SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(127, 0, 0, 1), port))
 }
 
 pub fn next_test_ip6() -> SocketAddr {
-    let port = PORT.fetch_add(1, Ordering::Relaxed) as u16 + base_port();
+    let port = PORT.fetch_add(1, Ordering::Relaxed) as u16 + BASE_PORT;
     SocketAddr::V6(SocketAddrV6::new(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1), port, 0, 0))
 }
 
@@ -30,31 +31,3 @@ pub fn tsa<A: ToSocketAddrs>(a: A) -> Result<Vec<SocketAddr>, String> {
         Err(e) => Err(e.to_string()),
     }
 }
-
-// The bots run multiple builds at the same time, and these builds
-// all want to use ports. This function figures out which workspace
-// it is running in and assigns a port range based on it.
-fn base_port() -> u16 {
-    let cwd = if cfg!(target_env = "sgx") {
-        String::from("sgx")
-    } else {
-        env::current_dir().unwrap().into_os_string().into_string().unwrap()
-    };
-    let dirs = [
-        "32-opt",
-        "32-nopt",
-        "musl-64-opt",
-        "cross-opt",
-        "64-opt",
-        "64-nopt",
-        "64-opt-vg",
-        "64-debug-opt",
-        "all-opt",
-        "snap3",
-        "dist",
-        "sgx",
-    ];
-    dirs.iter().enumerate().find(|&(_, dir)| cwd.contains(dir)).map(|p| p.0).unwrap_or(0) as u16
-        * 1000
-        + 19600
-}