Update if-watch requirement from 0.1.8 to 0.2.0

transports/tcp/CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.27.2 [unreleased]
+
+- Update to `if-watch-0.2`.
+
 # 0.27.1 [2021-02-15]
 
 - Update dependencies.

transports/tcp/Cargo.toml

@@ -2,7 +2,7 @@
 name = "libp2p-tcp"
 edition = "2018"
 description = "TCP/IP transport protocol for libp2p"
-version = "0.27.1"
+version = "0.27.2"
 authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"
@@ -13,7 +13,7 @@ categories = ["network-programming", "asynchronous"]
 async-io-crate = { package = "async-io", version = "1.2.0", optional = true }
 futures = "0.3.8"
 futures-timer = "3.0"
-if-watch = { version = "0.1.8", optional = true }
+if-watch = { version = "0.2.0", optional = true }
 if-addrs = { version = "0.6.4", optional = true }
 ipnet = "2.0.0"
 libc = "0.2.80"

transports/tcp/src/provider/async_io.rs

@@ -23,7 +23,6 @@ use super::{Provider, IfEvent, Incoming};
 use async_io_crate::Async;
 use futures::{
     future::{BoxFuture, FutureExt},
-    prelude::*,
 };
 use std::io;
 use std::task::{Poll, Context};
@@ -75,9 +74,9 @@ impl Provider for Tcp {
     }
 
     fn poll_interfaces(w: &mut Self::IfWatcher, cx: &mut Context<'_>) -> Poll<io::Result<IfEvent>> {
-        w.next().map_ok(|e| match e {
+        w.poll_unpin(cx).map_ok(|e| match e {
             if_watch::IfEvent::Up(a) => IfEvent::Up(a),
             if_watch::IfEvent::Down(a) => IfEvent::Down(a),
-        }).boxed().poll_unpin(cx)
+        })
     }
 }