From 73416c886f28d1d80f206e65c78da71da40ff470 Mon Sep 17 00:00:00 2001
From: Naim A <227396+naim94a@users.noreply.github.com>
Date: Tue, 18 Dec 2018 02:44:53 +0200
Subject: [PATCH] added a way to trigger graceful termination

---
 Cargo.lock       | 288 ++++++++++++++++++++++++++---------------------
 Cargo.toml       |   5 +-
 src/main.rs      |  80 +++++++++++--
 src/server.rs    |   9 +-
 src/webserver.rs | 101 +++++++++++------
 5 files changed, 309 insertions(+), 174 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 1550402..3cbdd05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,16 +1,16 @@
 [[package]]
 name = "actix"
-version = "0.7.8"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "actix_derive 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -23,22 +23,22 @@ dependencies = [
  "tokio-tcp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "trust-dns-proto 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trust-dns-resolver 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-resolver 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "actix-net"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "actix 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -49,16 +49,16 @@ dependencies = [
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "trust-dns-proto 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trust-dns-resolver 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-resolver 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "actix-web"
-version = "0.7.15"
+version = "0.7.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "actix 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "actix-net 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-net 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "askama_escape 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -82,18 +82,18 @@ dependencies = [
  "mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.8.0 (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 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.13 (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-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -111,7 +111,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -124,7 +124,7 @@ name = "aho-corasick"
 version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -142,7 +142,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "arrayvec"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -158,30 +158,36 @@ name = "atty"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (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 = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "backtrace"
-version = "0.3.9"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace-sys 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-demangle 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "backtrace-sys"
-version = "0.1.24"
+version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -212,7 +218,7 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -225,8 +231,8 @@ name = "brotli-sys"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -235,7 +241,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "brotli-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -263,7 +269,7 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bzip2-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -271,13 +277,13 @@ name = "bzip2-sys"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cc"
-version = "1.0.25"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -314,7 +320,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -336,33 +342,33 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.3.2"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-epoch 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-epoch 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "arrayvec 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
@@ -370,7 +376,7 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.1"
+version = "0.6.3"
 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)",
@@ -443,7 +449,7 @@ name = "error-chain"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -451,7 +457,7 @@ name = "failure"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -462,7 +468,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -480,7 +486,7 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz-sys 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz_oxide_c_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -515,7 +521,7 @@ version = "0.1.8"
 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 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -540,7 +546,7 @@ name = "hostname"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "winutil 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -579,7 +585,7 @@ name = "iovec"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -626,7 +632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.44"
+version = "0.2.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -666,11 +672,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.1.1"
+version = "2.1.2"
 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 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -703,8 +709,8 @@ name = "miniz-sys"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -720,9 +726,9 @@ name = "miniz_oxide_c_api"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz_oxide 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -736,7 +742,7 @@ dependencies = [
  "iovec 0.1.2 (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 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (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)",
@@ -750,7 +756,7 @@ 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 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -771,7 +777,7 @@ 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 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -782,10 +788,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "num_cpus"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -819,7 +825,7 @@ name = "parking_lot_core"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -831,7 +837,7 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -906,7 +912,7 @@ 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-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -918,7 +924,7 @@ 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-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -986,7 +992,7 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -994,7 +1000,7 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1003,7 +1009,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1031,15 +1037,15 @@ name = "ring"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.9"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1080,17 +1086,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1100,7 +1106,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1110,7 +1116,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1125,7 +1131,7 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arc-swap 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1152,8 +1158,8 @@ version = "0.3.8"
 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)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1174,7 +1180,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.22"
+version = "0.15.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1189,7 +1195,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1198,8 +1204,8 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1221,11 +1227,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.40"
+version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1237,7 +1243,7 @@ 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 1.8.0 (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 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1303,12 +1309,12 @@ name = "tokio-reactor"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (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)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.8.0 (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 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1321,7 +1327,7 @@ version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal-hook 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1349,11 +1355,11 @@ name = "tokio-threadpool"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1363,7 +1369,7 @@ name = "tokio-timer"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1391,7 +1397,7 @@ 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)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1405,7 +1411,7 @@ name = "toml"
 version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1439,9 +1445,32 @@ dependencies = [
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "trust-dns-proto"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "idna 0.1.5 (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)",
+ "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "socket2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-executor 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-tcp 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "trust-dns-resolver"
-version = "0.10.0"
+version = "0.10.1"
 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)",
@@ -1454,7 +1483,7 @@ dependencies = [
  "resolv-conf 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "trust-dns-proto 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trust-dns-proto 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1466,16 +1495,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "udpt-rs"
 version = "0.1.0"
 dependencies = [
- "actix-web 0.7.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-net 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "actix-web 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "binascii 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bincode 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bzip2 0.3.3 (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)",
+ "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)",
- "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1631,19 +1663,20 @@ dependencies = [
 ]
 
 [metadata]
-"checksum actix 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)" = "f3cd638d54c1447e8e6a5fd8323cb3031745ebdaabd6db1f074e322857f94627"
-"checksum actix-net 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "c1afd4a2973f2ece17100874183be416ec73ca529be846639930ec2cd9c8b8b9"
-"checksum actix-web 0.7.15 (registry+https://github.com/rust-lang/crates.io-index)" = "53e5237cb4d94bca8c9a7246c0e9acf74a0dcf5fb0c6aa75954d96cdce385531"
+"checksum actix 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6c616db5fa4b0c40702fb75201c2af7f8aa8f3a2e2c1dda3b0655772aa949666"
+"checksum actix-net 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "12feb297c0a8b1ad2418d55227c61783111d40fbd49f927a09f8c67683471b8c"
+"checksum actix-web 0.7.16 (registry+https://github.com/rust-lang/crates.io-index)" = "9c1ae55616ff06c1d011c4e7f16f443b825df72aaf1c75e97cdc43a4ab83a602"
 "checksum actix_derive 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4300e9431455322ae393d43a2ba1ef96b8080573c0fc23b196219efedfb6ba69"
 "checksum adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7e522997b529f05601e05166c07ed17789691f562762c7f3b987263d2dedee5c"
 "checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum arc-swap 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "5c5ed110e2537bdd3f5b9091707a8a5556a72ac49bbd7302ae0b28fdccb3246c"
-"checksum arrayvec 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "f405cc4c21cd8b784f6c8fc2adf9bc00f59558f0049b5ec21517f875963040cc"
+"checksum arrayvec 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)" = "d18513977c2d8261c448511c5c53dc66b26dfccbc3d4446672dea1e71a7d8a26"
 "checksum askama_escape 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "719b48039ffac1564f67d70162109ba9341125cee0096a540e478355b3c724a7"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
-"checksum backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "89a47830402e9981c5c41223151efcced65a0510c13097c769cede7efb34782a"
-"checksum backtrace-sys 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)" = "c66d56ac8dabd07f6aacdaf633f4b8262f5b3601a810a0dcddffd5c22c69daa0"
+"checksum autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4e5f34df7a019573fb8bdc7e24a2bfebe51a2a1d6bfdbaeccedb3c41fc574727"
+"checksum backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "b5b493b66e03090ebc4343eb02f94ff944e0cbc9ac6571491d170ba026741eb5"
+"checksum backtrace-sys 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)" = "3fcce89e5ad5c8949caa9434501f7b55415b3e7ad5270cb88c75a8d35e8f1279"
 "checksum base64 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "621fc7ecb8008f86d7fb9b95356cd692ce9514b80a86d85b397f32a22da7b9e2"
 "checksum base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
 "checksum binascii 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3dc96c09fe0e8441b8e0e8afa1a64f11a1994f3f146008175eccdfe67f7c0330"
@@ -1656,17 +1689,17 @@ dependencies = [
 "checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
 "checksum bzip2 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
 "checksum bzip2-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6584aa36f5ad4c9247f5323b0a42f37802b37a836f0ad87084d7a33961abe25f"
-"checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
+"checksum cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)" = "389803e36973d242e7fecb092b2de44a3d35ac62524b3b9339e51d577d668e02"
 "checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
 "checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1465f8134efa296b4c19db34d909637cb2bf0f7aaf21299e23e18fa29ac557cf"
 "checksum crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
 "checksum crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e91d5240c6975ef33aeb5f148f35275c25eda8e8a5f95abe421978b05b8bf192"
-"checksum crossbeam-channel 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0ac88e108fa40799b39c08eb2a93bedf4cc99a9e5577f08ddf6dd6134ae65bf0"
-"checksum crossbeam-deque 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4fe1b6f945f824c7a25afe44f62e25d714c0cc523f8e99d8db5cd1026e1269d3"
-"checksum crossbeam-epoch 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2449aaa4ec7ef96e5fb24db16024b935df718e9ae1cec0a1e68feeca2efca7b8"
-"checksum crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c55913cc2799171a550e307918c0a360e8c16004820291bf3b638969b4a01816"
+"checksum crossbeam-channel 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5b2a9ea8f77c7f9efd317a8a5645f515d903a2d86ee14d2337a5facd1bd52c12"
+"checksum crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "05e44b8cf3e1a625844d1750e1f7820da46044ff6d28f4d43e455ba3e5bb2c13"
+"checksum crossbeam-epoch 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f10a4f8f409aaac4b16a5474fb233624238fcdeefb9ba50d5ea059aab63ba31c"
+"checksum crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "41ee4864f4797060e52044376f7d107429ce1fb43460021b126424b7180ee21a"
 "checksum dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6d301140eb411af13d3115f9a562c85cc6b541ade9dfa314132244aaee7489dd"
 "checksum encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
 "checksum encoding-index-japanese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)" = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
@@ -1698,13 +1731,13 @@ dependencies = [
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
 "checksum lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a374c89b9db55895453a74c1e38861d9deec0b01b405a82516e9d5de4820dea1"
 "checksum lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
-"checksum libc 0.2.44 (registry+https://github.com/rust-lang/crates.io-index)" = "10923947f84a519a45c8fefb7dd1b3e8c08747993381adee176d7a82b4195311"
+"checksum libc 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "2d2857ec59fadc0773853c664d2d18e7198e83883e7060b63c924cb077bd5c74"
 "checksum linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7860ec297f7008ff7a1e3382d7f7e1dcd69efc94751a2284bafc3d013c2aa939"
 "checksum lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d06ff7ff06f729ce5f4e227876cb88d10bc59cd4ae1e09fbb2bde15c850dc21"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-"checksum memchr 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0a3eb002f0535929f1199681417029ebea04aadc0c7a4224b46be99c7f5d6a16"
+"checksum memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "db4c41318937f6e76648f42826b1d9ade5c09cafb5aef7e351240a70f39206e9"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum mime 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)" = "0a907b83e7b9e987032439a387e187119cddafc92d5c2aaeb1d92580a793f630"
 "checksum mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30de2e4613efcba1ec63d8133f344076952090c122992a903359be5a4f99c3ed"
@@ -1716,7 +1749,7 @@ dependencies = [
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
-"checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
+"checksum num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a69d464bdc213aaaff628444e99578ede64e9c854025aa43b9796530afa9238"
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
 "checksum parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f0802bff09003b291ba756dc7e79313e51cc31667e94afbe847def490424cde5"
 "checksum parking_lot 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9723236a9525c757d9725b993511e3fc941e33f27751942232f0058298297edf"
@@ -1739,21 +1772,21 @@ dependencies = [
 "checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
 "checksum rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "086bd09a33c7044e56bb44d5bdde5a60e7f119a9e95b0775f545de759a32fe05"
 "checksum rand_xorshift 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "effa3fcaa47e18db002bdde6060944b6d2f9cfd8db471c30e873448ad9187be3"
-"checksum redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "679da7508e9a6390aeaf7fbd02a800fdc64b73fe2204dd2c8ae66d22d9d5ad5d"
+"checksum redox_syscall 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)" = "a84bcd297b87a545980a2d25a0beb72a1f490c31f0a9fde52fca35bfbb1ceb70"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37e7cbbd370869ce2e8dff25c7018702d10b21a20ef7135316f8daecd6c25b7f"
 "checksum regex-syntax 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4e47a2ed29da7a9e1960e1639e7a982e6edc6d49be308a3b02daf511504a16d1"
 "checksum resolv-conf 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c62bd95a41841efdf7fca2ae9951e64a8d8eae7e5da196d8ce489a2241491a92"
 "checksum ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2c4db68a2e35f3497146b7e4563df7d4773a2433230c5e4b448328e31740458a"
-"checksum rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "bcfe5b13211b4d78e5c2cadfebd7769197d95c639c35a50057eb4c05de811395"
+"checksum rustc-demangle 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "01b90379b8664dd83460d59bdc5dd1fd3172b8913788db483ed1325171eab2f7"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
 "checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "15c141fc7027dd265a47c090bf864cf62b42c4d228bbcf4e51a0c9e2b0d3f7ef"
-"checksum serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "225de307c6302bec3898c51ca302fc94a7a1697ef0845fcee6448f33c032249c"
+"checksum serde 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)" = "6fa52f19aee12441d5ad11c9a00459122bd8f98707cadf9778c540674f1935b6"
+"checksum serde_derive 1.0.82 (registry+https://github.com/rust-lang/crates.io-index)" = "96a7f9496ac65a2db5929afa087b54f8fc5008dcfbe48a8874ed20049b0d6154"
 "checksum serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)" = "c37ccd6be3ed1fdf419ee848f7c758eb31b054d7cd3ae3600e3bae0adf569811"
 "checksum serde_urlencoded 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d48f9f99cd749a2de71d29da5f948de7f2764cc5a9d7f3c97e3514d4ee6eabf2"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
@@ -1765,12 +1798,12 @@ dependencies = [
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum string 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98998cced76115b1da46f63388b909d118a37ae0be0f82ad35773d4a4bc9d18d"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-"checksum syn 0.15.22 (registry+https://github.com/rust-lang/crates.io-index)" = "ae8b29eb5210bc5cf63ed6149cbf9adfc82ac0be023d8735c176ee74a2db4da7"
+"checksum syn 0.15.23 (registry+https://github.com/rust-lang/crates.io-index)" = "9545a6a093a3f0bd59adb472700acc08cad3776f860f16a897dfce8c88721cbc"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
-"checksum time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "d825be0eb33fda1a7e68012d51e9c7f451dc1a69391e7fdc197060bb8c56667b"
+"checksum time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "847da467bf0db05882a9e2375934a8a55cffdc9db0d128af1518200260ba1f6c"
 "checksum tokio 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "a7817d4c98cc5be21360b3b37d6036fe9b7aefa5b7a201b7b16ff33423822f7d"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
 "checksum tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "331c8acc267855ec06eb0c94618dcbbfea45bed2d20b77252940095273fb58f6"
@@ -1787,7 +1820,8 @@ dependencies = [
 "checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
 "checksum tower-service 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b32f72af77f1bfe3d3d4da8516a238ebe7039b51dd8637a09841ac7f16d2c987"
 "checksum trust-dns-proto 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0838272e89f1c693b4df38dc353412e389cf548ceed6f9fd1af5a8d6e0e7cf74"
-"checksum trust-dns-resolver 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4e913a5df94658858e548cc95a3212797ee524e487ede091c32f27ca26e11620"
+"checksum trust-dns-proto 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "060b0b026c3f6e8f5efac26ac4398495f4702b0d008b19e4bee862451566d4bd"
+"checksum trust-dns-resolver 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43396a6220060db623c31a57c410e43afe77ec45c8869fa75447b8d217a0e910"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
 "checksum unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3218ea14b4edcaccfa0df0a64a3792a2c32cc706f1b336e48867f9d3147f90"
diff --git a/Cargo.toml b/Cargo.toml
index 1f5e8ff..4ffd3f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,8 @@ lto = "thin"
 serde = "1.0.80"
 bincode = "1.0.1"
 serde_derive = "1.0.80"
-actix-web = "0.7.13"
+actix-web = "0.7.16"
+actix-net = "0.2.5"
 binascii = "0.1.2"
 toml = "0.4.8"
 clap = "2.32.0"
@@ -20,3 +21,5 @@ fern = "0.5.6"
 num_cpus = "1.8.0"
 serde_json = "1.0.32"
 bzip2 = "0.3.3"
+futures = "0.1.25"
+lazy_static = "1.2.0"
diff --git a/src/main.rs b/src/main.rs
index 01a582c..58568d4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 extern crate actix_web;
+extern crate actix_net;
 extern crate binascii;
 extern crate toml;
 #[macro_use]
@@ -14,6 +15,9 @@ extern crate bzip2;
 extern crate fern;
 extern crate num_cpus;
 extern crate serde_json;
+extern crate futures;
+#[macro_use]
+extern crate lazy_static;
 
 mod config;
 mod server;
@@ -24,6 +28,10 @@ mod webserver;
 use config::Configuration;
 use std::process::exit;
 
+lazy_static!{
+    static ref term_mutex: std::sync::Arc<std::sync::atomic::AtomicBool> = std::sync::Arc::new(std::sync::atomic::AtomicBool::new(false));
+}
+
 fn setup_logging(cfg: &Configuration) {
     let log_level = match cfg.get_log_level() {
         None => log::LevelFilter::Info,
@@ -64,6 +72,10 @@ fn setup_logging(cfg: &Configuration) {
     info!("logging initialized.");
 }
 
+fn signal_termination() {
+    term_mutex.store(true, std::sync::atomic::Ordering::Relaxed);
+}
+
 fn main() {
     let parser = clap::App::new("udpt")
         .about("High performance, lightweight, udp based torrent tracker.")
@@ -116,29 +128,41 @@ fn main() {
         None => tracker::TorrentTracker::new(cfg.get_mode().clone()),
     };
 
+    let mut threads = Vec::new();
+
     let tracker = std::sync::Arc::new(tracker_obj);
 
-    // start http server:
-    if cfg.get_http_config().is_some() {
+    let http_server = if cfg.get_http_config().is_some() {
         let http_tracker_ref = tracker.clone();
         let cfg_ref = cfg.clone();
-        std::thread::spawn(move || {
-            webserver::WebServer::new(http_tracker_ref, cfg_ref);
-        });
-    }
+
+        Some(webserver::WebServer::new(http_tracker_ref, cfg_ref))
+    } else {
+        None
+    };
 
     let udp_server = std::sync::Arc::new(server::UDPTracker::new(cfg.clone(), tracker.clone()).unwrap());
 
     trace!("Waiting for UDP packets");
     let logical_cpus = num_cpus::get();
-    let mut threads = Vec::with_capacity(logical_cpus);
     for i in 0..logical_cpus {
         debug!("starting thread {}/{}", i + 1, logical_cpus);
         let server_handle = udp_server.clone();
+        let thread_term_ref = term_mutex.clone();
         threads.push(std::thread::spawn(move || loop {
             match server_handle.accept_packet() {
                 Err(e) => {
-                    error!("Failed to process packet. {}", e);
+                    if thread_term_ref.load(std::sync::atomic::Ordering::Relaxed) == true {
+                        debug!("Thread terminating...");
+                        break;
+                    }
+                    match e.kind() {
+                        std::io::ErrorKind::TimedOut => {},
+                        std::io::ErrorKind::WouldBlock => {},
+                        _ => {
+                            error!("Failed to process packet. {}", e);
+                        }
+                    }
                 }
                 Ok(_) => {}
             }
@@ -154,20 +178,54 @@ fn main() {
                 None => 10 * 60,
             };
 
-            std::thread::spawn(move || {
+            let thread_term_mutex = term_mutex.clone();
+            threads.push(std::thread::spawn(move || {
+                let timeout = std::time::Duration::new(cleanup_interval, 0);
+
+                let timeout_start = std::time::Instant::now();
+                let mut timeout_remaining = timeout;
                 loop {
-                    std::thread::sleep(std::time::Duration::new(cleanup_interval, 0));
+                    std::thread::park_timeout(std::time::Duration::new(cleanup_interval, 0));
+
+                    if thread_term_mutex.load(std::sync::atomic::Ordering::Relaxed) {
+                        debug!("Maintenance thread terminating.");
+                        break;
+                    }
+
+                    let elapsed = std::time::Instant::now() - timeout_start;
+                    if elapsed < timeout_remaining {
+                        timeout_remaining = timeout - elapsed;
+                        continue;
+                    }
+                    else {
+                        timeout_remaining = timeout;
+                    }
+
                     debug!("periodically saving database.");
                     tracker_clone.periodic_task(db_p.as_str());
                     debug!("database saved.");
                 }
-            });
+            }));
         },
         None => {}
     }
 
+    loop {
+        if term_mutex.load(std::sync::atomic::Ordering::Relaxed) {
+            // termination signaled. start cleanup.
+            break;
+        }
+        std::thread::sleep(std::time::Duration::from_secs(1));
+    }
+
+    match http_server {
+        Some(v) => v.shutdown(),
+        None => {},
+    };
+
     while !threads.is_empty() {
         if let Some(thread) = threads.pop() {
+            thread.thread().unpark();
             let _ = thread.join();
         }
     }
diff --git a/src/server.rs b/src/server.rs
index 11a0b7a..bc8be55 100644
--- a/src/server.rs
+++ b/src/server.rs
@@ -114,7 +114,7 @@ pub struct UDPTracker {
 impl UDPTracker {
     pub fn new(
         config: Arc<Configuration>,
-        tracker: std::sync::Arc<tracker::TorrentTracker>,
+        tracker: std::sync::Arc<tracker::TorrentTracker>
     ) -> Result<UDPTracker, std::io::Error> {
         let cfg = config.clone();
 
@@ -125,6 +125,13 @@ impl UDPTracker {
             }
         };
 
+        match server.set_read_timeout(Some(std::time::Duration::from_secs(1))) {
+            Ok(_) => {},
+            Err(err) => {
+                error!("Failed to set read timeout on socket; will try to continue anyway. err: {}", err);
+            }
+        }
+
         Ok(UDPTracker {
             server,
             tracker,
diff --git a/src/webserver.rs b/src/webserver.rs
index e4858b8..b28cf6b 100644
--- a/src/webserver.rs
+++ b/src/webserver.rs
@@ -2,6 +2,7 @@ use std::collections::HashMap;
 use std::sync::Arc;
 
 use actix_web;
+use actix_net;
 use binascii;
 
 use config;
@@ -9,7 +10,10 @@ use tracker;
 
 const SERVER: &str = concat!("udpt/", env!("CARGO_PKG_VERSION"));
 
-pub struct WebServer;
+pub struct WebServer {
+    thread: std::thread::JoinHandle<()>,
+    addr: Option<actix_web::actix::Addr<actix_net::server::Server>>,
+}
 
 mod http_responses {
     use tracker::InfoHash;
@@ -130,52 +134,81 @@ impl WebServer {
         }
     }
 
+    pub fn shutdown(self) {
+        match self.addr {
+            Some(v) => {
+                use futures::future::Future;
+
+                v.send(actix_web::actix::signal::Signal(actix_web::actix::signal::SignalType::Term)).wait().unwrap();
+            },
+            None => {},
+        };
+
+        self.thread.thread().unpark();
+        let _ = self.thread.join();
+    }
+
     pub fn new(
         tracker: Arc<tracker::TorrentTracker>,
         cfg: Arc<config::Configuration>,
     ) -> WebServer {
         let cfg_cp = cfg.clone();
 
-        let server = actix_web::server::HttpServer::new(move || {
-            let mut access_tokens = HashMap::new();
+        let (tx_addr, rx_addr) = std::sync::mpsc::channel();
 
-            if let Some(http_cfg) = cfg_cp.get_http_config() {
-                Self::get_access_tokens(http_cfg, &mut access_tokens);
-            }
+        let thread = std::thread::spawn(move || {
+            let server = actix_web::server::HttpServer::new(move || {
+                let mut access_tokens = HashMap::new();
 
-            let state = UdptState::new(tracker.clone(), access_tokens);
+                if let Some(http_cfg) = cfg_cp.get_http_config() {
+                    Self::get_access_tokens(http_cfg, &mut access_tokens);
+                }
 
-            actix_web::App::<UdptState>::with_state(state)
-                .middleware(UdptMiddleware)
-                .resource("/t", |r| r.f(Self::view_torrent_list))
-                .scope(r"/t/{info_hash:[\dA-Fa-f]{40,40}}", |scope| {
-                    scope.resource("", |r| {
-                        r.method(actix_web::http::Method::GET)
-                            .f(Self::view_torrent_stats);
-                        r.method(actix_web::http::Method::POST)
-                            .f(Self::torrent_action);
+                let state = UdptState::new(tracker.clone(), access_tokens);
+
+                actix_web::App::<UdptState>::with_state(state)
+                    .middleware(UdptMiddleware)
+                    .resource("/t", |r| r.f(Self::view_torrent_list))
+                    .scope(r"/t/{info_hash:[\dA-Fa-f]{40,40}}", |scope| {
+                        scope.resource("", |r| {
+                            r.method(actix_web::http::Method::GET)
+                                .f(Self::view_torrent_stats);
+                            r.method(actix_web::http::Method::POST)
+                                .f(Self::torrent_action);
+                        })
                     })
-                })
-                .resource("/", |r| {
-                    r.method(actix_web::http::Method::GET).f(Self::view_root)
-                })
+                    .resource("/", |r| {
+                        r.method(actix_web::http::Method::GET).f(Self::view_root)
+                    })
+            });
+
+            if let Some(http_cfg) = cfg.get_http_config() {
+                let bind_addr = http_cfg.get_address();
+                match server.bind(bind_addr) {
+                    Ok(v) => {
+                        let sys = actix_web::actix::System::new("http-server");
+                        let addr = v.start();
+                        let _ = tx_addr.send(addr);
+                        sys.run();
+                    }
+                    Err(err) => {
+                        error!("Failed to bind http server. {}", err);
+                    }
+                }
+            } else {
+                unreachable!();
+            }
         });
 
-        if let Some(http_cfg) = cfg.get_http_config() {
-            let bind_addr = http_cfg.get_address();
-            match server.bind(bind_addr) {
-                Ok(v) => {
-                    v.run();
-                }
-                Err(err) => {
-                    error!("Failed to bind http server. {}", err);
-                }
-            }
-        } else {
-            unreachable!();
-        }
+        let addr = match rx_addr.recv() {
+            Ok(v) => Some(v),
+            Err(_) => None
+        };
 
-        WebServer {}
+        WebServer {
+            thread,
+            addr,
+        }
     }
 
     fn view_root(_req: &actix_web::HttpRequest<UdptState>) -> actix_web::HttpResponse {