From 9e6415df747a1afbd19a6fc36146d76231f81e94 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 2 Mar 2021 10:55:19 +0100
Subject: [PATCH] Update if-watch requirement from 0.1.8 to 0.2.0 (#1979)

* Update if-watch requirement from 0.1.8 to 0.2.0

Updates the requirements on [if-watch](https://github.com/dvc94ch/if-watch) to permit the latest version.
- [Release notes](https://github.com/dvc94ch/if-watch/releases)
- [Commits](https://github.com/dvc94ch/if-watch/commits)

Signed-off-by: dependabot[bot] <support@github.com>

* Update libp2p-tcp.

* Update libp2p-tcp version and changelog.

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Roman S. Borschel <roman@parity.io>
Co-authored-by: Roman Borschel <romanb@users.noreply.github.com>
---
 transports/tcp/CHANGELOG.md             | 4 ++++
 transports/tcp/Cargo.toml               | 4 ++--
 transports/tcp/src/provider/async_io.rs | 5 ++---
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/transports/tcp/CHANGELOG.md b/transports/tcp/CHANGELOG.md
index 8077ab43..b7d98c14 100644
--- a/transports/tcp/CHANGELOG.md
+++ b/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.
diff --git a/transports/tcp/Cargo.toml b/transports/tcp/Cargo.toml
index 1da908ba..5e09b5b0 100644
--- a/transports/tcp/Cargo.toml
+++ b/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"
diff --git a/transports/tcp/src/provider/async_io.rs b/transports/tcp/src/provider/async_io.rs
index c868e196..b4ce74d6 100644
--- a/transports/tcp/src/provider/async_io.rs
+++ b/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)
+        })
     }
 }