From c6d5505f2ab841802df4e6ecc4ebff1b19f3e39b Mon Sep 17 00:00:00 2001
From: Jan Christian Gr??nhage <jan.christian@gruenhage.xyz>
Date: Mon, 6 Apr 2020 12:56:39 +0200
Subject: [PATCH] update dependencies, replace oping with tokio_ping

---
 Cargo.lock         | 985 +++++++++++++++++++--------------------------
 Cargo.toml         |  25 +-
 config.toml.sample |   4 +-
 src/config.rs      |  30 +-
 src/main.rs        |  18 +-
 src/metrics.rs     |  65 +--
 src/ping.rs        |  78 ++--
 7 files changed, 531 insertions(+), 674 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 4511dec..231175f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,3 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -6,28 +8,35 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "arrayvec"
-version = "0.4.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "autocfg"
-version = "0.1.2"
+name = "backtrace"
+version = "0.3.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "backtrace-sys 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "backtrace-sys"
+version = "0.1.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "bitflags"
@@ -35,27 +44,23 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "byteorder"
-version = "1.3.1"
+name = "bytes"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
-name = "bytes"
-version = "0.4.11"
+name = "cc"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "cfg-if"
-version = "0.1.6"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "chrono"
-version = "0.4.6"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -65,87 +70,44 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "2.32.0"
+version = "2.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "cloudabi"
-version = "0.0.3"
+name = "failure"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "crossbeam"
-version = "0.6.0"
+name = "failure_derive"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
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-
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
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- "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
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-dependencies = [
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- "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "fern"
-version = "0.5.7"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -174,50 +136,131 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "futures"
-version = "0.1.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "futures-cpupool"
-version = "0.1.8"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-executor 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
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-name = "gcc"
-version = "0.3.55"
+name = "futures-channel"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
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-version = "0.1.16"
+name = "futures-executor"
+version = "0.3.4"
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- "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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- "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-task 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-task"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "futures-util"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-io 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-macro 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-hack 0.5.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro-nested 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "h2"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-sink 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "http"
-version = "0.1.15"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "http-body"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.3"
@@ -225,28 +268,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hyper"
-version = "0.12.23"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-core 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http-body 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -256,11 +296,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "iovec"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -279,69 +318,45 @@ dependencies = [
 
 [[package]]
 name = "lazy_static"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "lazycell"
-version = "1.2.1"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.48"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "lock_api"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "log"
-version = "0.4.6"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "memoffset"
-version = "0.2.1"
+name = "memchr"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "mio"
-version = "0.6.16"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "mio-uds"
-version = "0.6.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "miow"
 version = "0.2.1"
@@ -358,16 +373,11 @@ name = "net2"
 version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "nodrop"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "num-integer"
 version = "0.1.39"
@@ -383,24 +393,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "num_cpus"
-version = "1.9.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "oping"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hermit-abi 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "owning_ref"
-version = "0.4.0"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -408,21 +410,20 @@ dependencies = [
 
 [[package]]
 name = "parking_lot"
-version = "0.7.1"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "parking_lot_core"
-version = "0.4.0"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -431,39 +432,78 @@ dependencies = [
 name = "peshming"
 version = "0.1.0"
 dependencies = [
- "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "fern 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "hyper 0.12.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "oping 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "prometheus 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fern 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-util 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.13.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "prometheus 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-ping 0.3.0 (git+https://github.com/usbalbin/tokio-ping?branch=new_futures)",
+ "toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "proc-macro2"
-version = "0.4.27"
+name = "pin-project"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pin-project-internal 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0-alpha.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "proc-macro-hack"
+version = "0.5.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "prometheus"
-version = "0.5.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -471,44 +511,24 @@ name = "protobuf"
 version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "quick-error"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "quote"
-version = "0.6.11"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.6.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_jitter 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -524,62 +544,6 @@ name = "rand_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -602,47 +566,26 @@ dependencies = [
 ]
 
 [[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "scopeguard"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
+name = "rustc-demangle"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.87"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.85"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -658,9 +601,20 @@ dependencies = [
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.3.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "spin"
-version = "0.4.10"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -668,24 +622,30 @@ name = "stable_deref_trait"
 version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "string"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "strsim"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.26"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "synstructure"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -693,205 +653,116 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "textwrap"
-version = "0.10.0"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "thiserror-impl 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.1.15"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
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+"checksum tokio-ping 0.3.0 (git+https://github.com/usbalbin/tokio-ping?branch=new_futures)" = "<none>"
+"checksum tokio-util 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
+"checksum toml 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ffc92d160b1eef40665be3a05630d003936a3bc7da7421277846c2613e92c71a"
+"checksum tower-service 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
-"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "797464475f30ddb8830cc529aaaae648d581f99e2036a928877dfde027ddf6b3"
+"checksum want 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
diff --git a/Cargo.toml b/Cargo.toml
index 38c6f48..7fbb259 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,15 +6,16 @@ edition = "2018"
 description = "Pings configured hosts in a configurable intervals and exposes metrics for prometheus."
 
 [dependencies]
-prometheus = "0.5.0"
-oping = "0.3.3"
-toml = "0.4.10"
-hyper = "0.12.23"
-lazy_static = "1.2.0"
-futures = "0.1.25"
-tokio = "0.1.15"
-clap = "2.32.0"
-fern = "0.5.7"
-log = "0.4.6"
-chrono = "0.4.6"
-serde = { version = "1.0.87", features = ["derive"] }
+prometheus = "0.8.0"
+toml = "0.5.6"
+hyper = "0.13.4"
+lazy_static = "1.4.0"
+futures = "0.3.4"
+tokio = { version = "0.2.16", features = ["rt-threaded", "macros", "time"] }
+clap = "2.33.0"
+fern = "0.6.0"
+log = "0.4.8"
+chrono = "0.4.11"
+serde = { version = "1.0.106", features = ["derive"] }
+tokio-ping = { git = "https://github.com/usbalbin/tokio-ping", branch = "new_futures" }
+futures-util = "0.3.4"
diff --git a/config.toml.sample b/config.toml.sample
index d415e4e..c46861f 100644
--- a/config.toml.sample
+++ b/config.toml.sample
@@ -1,6 +1,6 @@
 listener = "[::]:9898"
 
 [hosts]
-"1.1.1.1" = 5
-"1.0.0.1" = 5
+"1.1.1.1" = 500
+"1.0.0.1" = 500
 
diff --git a/src/config.rs b/src/config.rs
index aa30a5a..1d2e6a6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,15 +1,15 @@
+use clap::{clap_app, crate_authors, crate_description, crate_name, crate_version};
+use log::info;
+use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
-use log::{error, warn, info, debug, trace};
-use serde::{Serialize, Deserialize};
-use clap::{clap_app, crate_name, crate_version, crate_description, crate_authors};
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Clone)]
 pub(crate) struct Config {
     pub(crate) listener: std::net::SocketAddr,
-    pub(crate) hosts: HashMap<String, u64>,
+    pub(crate) hosts: HashMap<std::net::IpAddr, u64>,
 }
 
-pub(crate) fn setup_clap() -> (clap::ArgMatches<'static>) {
+pub(crate) fn setup_clap() -> clap::ArgMatches<'static> {
     clap_app!(myapp =>
         (name: crate_name!())
         (version: crate_version!())
@@ -17,7 +17,8 @@ pub(crate) fn setup_clap() -> (clap::ArgMatches<'static>) {
         (about: crate_description!())
         (@arg config: +required "Set config file")
         (@arg v: -v --verbose ... "Be verbose (you can add this up to 4 times for more logs)")
-    ).get_matches()
+    )
+    .get_matches()
 }
 
 pub(crate) fn setup_fern(level: u64) {
@@ -26,7 +27,7 @@ pub(crate) fn setup_fern(level: u64) {
         1 => log::LevelFilter::Warn,
         2 => log::LevelFilter::Info,
         3 => log::LevelFilter::Debug,
-        _ => log::LevelFilter::Trace
+        _ => log::LevelFilter::Trace,
     };
     match fern::Dispatch::new()
         .format(|out, message, record| {
@@ -39,7 +40,8 @@ pub(crate) fn setup_fern(level: u64) {
         })
         .level(level)
         .chain(std::io::stdout())
-        .apply() {
+        .apply()
+    {
         Err(_) => {
             eprintln!("error setting up logging!");
         }
@@ -56,18 +58,12 @@ pub(crate) struct Error {}
 
 impl std::convert::From<std::io::Error> for Error {
     fn from(_: std::io::Error) -> Self {
-        Error{}
+        Error {}
     }
 }
 
 impl std::convert::From<toml::de::Error> for Error {
     fn from(_: toml::de::Error) -> Self {
-        Error{}
-    }
-}
-
-impl std::convert::From<oping::PingError> for Error {
-    fn from(_: oping::PingError) -> Self {
-        Error{}
+        Error {}
     }
 }
diff --git a/src/main.rs b/src/main.rs
index 3cbe996..7083687 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,27 +1,25 @@
-use log::{error, warn, info, debug, trace};
-use futures::future::lazy;
+use log::error;
 
 mod config;
 mod metrics;
 mod ping;
-use crate::config::{Config, read_config, setup_clap, setup_fern};
+use crate::config::{read_config, setup_clap, setup_fern};
 use crate::metrics::start_serving_metrics;
 use crate::ping::start_pinging_hosts;
 
-fn main() {
+#[tokio::main]
+async fn main() -> Result<(), ()> {
     let clap = setup_clap();
     setup_fern(clap.occurrences_of("v"));
     let config = match read_config(clap.value_of("config").unwrap()) {
         Ok(config) => config,
         Err(_) => {
             error!("Couldn't read config file!");
-            return;
+            return Err(());
         }
     };
 
-    tokio::run(lazy(move || {
-        start_serving_metrics(&config);
-        start_pinging_hosts(&config);
-        Ok(())
-    }));
+    tokio::spawn(start_pinging_hosts(config.clone()));
+    start_serving_metrics(config.clone()).await;
+    Ok(())
 }
diff --git a/src/metrics.rs b/src/metrics.rs
index 6f95f1c..db7f853 100644
--- a/src/metrics.rs
+++ b/src/metrics.rs
@@ -1,10 +1,12 @@
-use crate::config::{Config};
+use crate::config::Config;
+use hyper::{
+    header::CONTENT_TYPE,
+    service::{make_service_fn, service_fn},
+    Body, Request, Response, Server,
+};
 use lazy_static::lazy_static;
-use hyper::{Server, Response, Body, header::CONTENT_TYPE, service::service_fn_ok};
-use prometheus::{TextEncoder, Counter, Gauge, HistogramVec};
 use prometheus::*;
-
-use futures::future::Future;
+use prometheus::{Counter, Gauge, HistogramVec, TextEncoder};
 
 lazy_static! {
     static ref HTTP_COUNTER: Counter = register_counter!(opts!(
@@ -27,25 +29,34 @@ lazy_static! {
     .unwrap();
 }
 
-pub(crate) fn start_serving_metrics(config: &Config) {
-    let serve_metrics = || {
-        service_fn_ok(|_req| {
-            HTTP_COUNTER.inc();
-            let timer = HTTP_REQ_HISTOGRAM.with_label_values(&["all"]).start_timer();
-            let metric_families = prometheus::gather();
-            let mut buffer = vec![];
-            let encoder = TextEncoder::new();
-            encoder.encode(&metric_families, &mut buffer).unwrap();
-            HTTP_BODY_GAUGE.set(buffer.len() as f64);
-            let mut res = Response::new(Body::from(buffer));
-            res.headers_mut().insert(CONTENT_TYPE, encoder.format_type().parse().unwrap());
-            timer.observe_duration();
-            res
-        })
-    };
-    println!("Listening on {}", &config.listener);
-    let server = Server::bind(&config.listener)
-        .serve(serve_metrics)
-        .map_err(|err| eprintln!("server error: {}", err));
-    tokio::spawn(server);
-}
\ No newline at end of file
+async fn serve_req(_req: Request<Body>) -> std::result::Result<Response<Body>, hyper::Error> {
+    let encoder = TextEncoder::new();
+
+    HTTP_COUNTER.inc();
+    let timer = HTTP_REQ_HISTOGRAM.with_label_values(&["all"]).start_timer();
+
+    let metric_families = prometheus::gather();
+    let mut buffer = vec![];
+    encoder.encode(&metric_families, &mut buffer).unwrap();
+    HTTP_BODY_GAUGE.set(buffer.len() as f64);
+
+    let response = Response::builder()
+        .status(200)
+        .header(CONTENT_TYPE, encoder.format_type())
+        .body(Body::from(buffer))
+        .unwrap();
+
+    timer.observe_duration();
+
+    Ok(response)
+}
+
+pub(crate) async fn start_serving_metrics(config: Config) {
+    let serve_future = Server::bind(&config.listener).serve(make_service_fn(|_| async {
+        Ok::<_, hyper::Error>(service_fn(serve_req))
+    }));
+
+    if let Err(err) = serve_future.await {
+        eprintln!("server error: {}", err);
+    }
+}
diff --git a/src/ping.rs b/src/ping.rs
index 3a144a3..3fb8632 100644
--- a/src/ping.rs
+++ b/src/ping.rs
@@ -1,55 +1,47 @@
-use crate::config::{Config, Error};
-use std::time::{Duration, Instant};
-use tokio::timer::{Interval};
-use futures::{future::{lazy, Future}, stream::Stream};
-use oping::{Ping};
-use log::{trace, debug, info, warn, error};
-use prometheus::*;
+use crate::config::Config;
+use futures_util::stream::StreamExt;
 use lazy_static::lazy_static;
+use log::{error, info};
+use prometheus::*;
+use std::time::Duration;
+use tokio::time::delay_for;
 
 lazy_static! {
-    static ref PING_HISTOGRAM : HistogramVec = register_histogram_vec!(
+    static ref PING_HISTOGRAM: HistogramVec = register_histogram_vec!(
         "ping_rtt_milliseconds",
         "The ping round trip time in milliseconds",
         &["target"],
-        vec![0.5, 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 50.0, 75.0, 100.0, 150.0, 200.0, 250.0,
-        300.0, 350.0, 400.0, 450.0, 500.0, 550.0, 600.0, 650.0, 700.0, 750.0, 800.0, 900.0,
-        1000.0, 1250.0, 1500.0, 1750.0, 2000.0]
-    ).unwrap();
+        vec![
+            0.5, 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 50.0, 75.0, 100.0, 150.0, 200.0, 250.0, 300.0,
+            350.0, 400.0, 450.0, 500.0, 550.0, 600.0, 650.0, 700.0, 750.0, 800.0, 900.0, 1000.0,
+            1250.0, 1500.0, 1750.0, 2000.0
+        ]
+    )
+    .unwrap();
 }
 
-pub(crate) fn start_pinging_hosts(config: &Config) {
+pub(crate) async fn start_pinging_hosts(
+    config: Config,
+) -> std::result::Result<(), tokio_ping::Error> {
+    let pinger = tokio_ping::Pinger::new().await?;
     for (host, interval) in config.hosts.clone() {
         info!("Spawn ping task for {}", host);
-        tokio::spawn(
-            Interval::new(Instant::now(), Duration::from_millis(interval))
-                .for_each(move |_| {
-                    let mut ping = Ping::new();
-                    ping.set_timeout(2.5);
-                    ping.add_host(&host);
-                    for response in match ping.send() {
-                        Ok(iterator) => iterator,
-                        Err(e) => {
-                            error!("Something went wrong sending the ping: {:?}", e);
-                            return Ok(());
-                        }
-                    }{
-                        if response.dropped > 0 {
-                            debug!("No response from host: {}", response.hostname);
-                            PING_HISTOGRAM
-                                .with_label_values(&[&host])
-                                .observe(2500.0)
-                        } else {
-                            debug!("Response from host {} (address {}): latency {} ms",
-                                     response.hostname, response.address, response.latency_ms);
-                            trace!("    all details: {:?}", response);
-                            PING_HISTOGRAM
-                                .with_label_values(&[&host])
-                                .observe(response.latency_ms);
-                        }
+        let pingchain = pinger.chain(host).timeout(Duration::from_secs(3));
+        let host = host.to_string();
+        tokio::spawn(pingchain.stream().for_each(move |ping_result| {
+            match ping_result {
+                Ok(time) => match time {
+                    Some(time) => {
+                        PING_HISTOGRAM
+                            .with_label_values(&[&host])
+                            .observe(time.as_millis() as f64);
                     }
-                    Ok(())
-                }).map_err(|_| ())
-        );
+                    None => PING_HISTOGRAM.with_label_values(&[&host]).observe(3000.0),
+                },
+                Err(error) => error!("Couldn't ping {}: {}", &host, error),
+            }
+            delay_for(Duration::from_millis(interval))
+        }));
     }
-}
\ No newline at end of file
+    Ok(())
+}