From 89df20d582f8e0a0e9f1f809b2edc944d85a32ad Mon Sep 17 00:00:00 2001
From: Xander Bil <xander@biltopia.org>
Date: Sat, 9 Mar 2024 22:54:39 +0100
Subject: [PATCH] add record into database using api

---
 Cargo.lock       | 346 +++++++++++++----------------------------------
 Cargo.toml       |   8 +-
 src/api.rs       | 112 ++++++++++++++-
 src/db/models.rs |  51 ++++++-
 src/resolver.rs  |  48 +------
 src/structs.rs   |  11 +-
 6 files changed, 268 insertions(+), 308 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 87d63a4..a72f489 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
 [[package]]
 name = "backtrace"
 version = "0.3.69"
@@ -38,12 +32,6 @@ dependencies = [
  "rustc-demangle",
 ]
 
-[[package]]
-name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
-
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -112,12 +100,6 @@ version = "0.15.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
 
-[[package]]
-name = "equivalent"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -139,12 +121,6 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
 
-[[package]]
-name = "futures-sink"
-version = "0.3.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
-
 [[package]]
 name = "futures-task"
 version = "0.3.30"
@@ -169,36 +145,11 @@ version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
-[[package]]
-name = "h2"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31d030e59af851932b72ceebadf4a2b5986dba4c3b99dd2493f8273a0f151943"
-dependencies = [
- "bytes",
- "fnv",
- "futures-core",
- "futures-sink",
- "futures-util",
- "http",
- "indexmap",
- "slab",
- "tokio",
- "tokio-util",
- "tracing",
-]
-
-[[package]]
-name = "hashbrown"
-version = "0.14.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
-
 [[package]]
 name = "hermit-abi"
-version = "0.3.4"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d3d0e0f38255e7fa3cf31335b3a56f05febd18025f4db5ef7a0cfb4f8da651f"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
 [[package]]
 name = "http"
@@ -255,7 +206,6 @@ dependencies = [
  "bytes",
  "futures-channel",
  "futures-util",
- "h2",
  "http",
  "http-body",
  "httparse",
@@ -264,7 +214,6 @@ dependencies = [
  "pin-project-lite",
  "smallvec",
  "tokio",
- "want",
 ]
 
 [[package]]
@@ -274,7 +223,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca38ef113da30126bbff9cd1705f9273e15d45498615d138b0c20279ac7a76aa"
 dependencies = [
  "bytes",
- "futures-channel",
  "futures-util",
  "http",
  "http-body",
@@ -282,19 +230,6 @@ dependencies = [
  "pin-project-lite",
  "socket2",
  "tokio",
- "tower",
- "tower-service",
- "tracing",
-]
-
-[[package]]
-name = "indexmap"
-version = "2.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b0b929d511467233429c45a44ac1dcaa21ba0f5ba11e4879e6ed28ddb4f9df4"
-dependencies = [
- "equivalent",
- "hashbrown",
 ]
 
 [[package]]
@@ -319,22 +254,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "lock_api"
-version = "0.4.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c168f8615b12bc01f9c17e2eb0cc07dcae1940121185446edc3744920e8ef45"
-dependencies = [
- "autocfg",
- "scopeguard",
-]
-
-[[package]]
-name = "log"
-version = "0.4.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
-
 [[package]]
 name = "memchr"
 version = "2.7.1"
@@ -352,13 +271,13 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.8.10"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f3d0b296e374a4e6f3c7b0a1f5a51d748a0d34c85e7dc48fc3fa9a87657fe09"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
 dependencies = [
  "libc",
  "wasi",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -386,55 +305,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.19.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
-
-[[package]]
-name = "parking_lot"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.9.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c42a9226546d68acdd9c0a280d17ce19bfe27a46bf68784e4066115788d008e"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-targets",
-]
-
-[[package]]
-name = "pin-project"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6bf43b791c5b9e34c3d182969b4abb522f9343702850a2e57f460d00d09b4b3"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f38a4412a78282e09a2cf38d195ea5420d15ba0602cb375210efbc877243965"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.13"
@@ -477,15 +347,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4722d768eff46b75989dd134e5c353f0d6296e5aaa3132e776cbdb56be7731aa"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -493,10 +354,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
 
 [[package]]
-name = "scopeguard"
-version = "1.2.0"
+name = "ryu"
+version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
 [[package]]
 name = "serde"
@@ -519,21 +380,14 @@ dependencies = [
 ]
 
 [[package]]
-name = "signal-hook-registry"
-version = "1.4.1"
+name = "serde_json"
+version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8229b473baa5980ac72ef434c4415e70c4b5e71b423043adb4ba059f89c99a1"
+checksum = "c5f09b1bd632ef549eaa9f60a1f8de742bdbc698e6cee2095fc84dde5f549ae0"
 dependencies = [
- "libc",
-]
-
-[[package]]
-name = "slab"
-version = "0.4.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
-dependencies = [
- "autocfg",
+ "itoa",
+ "ryu",
+ "serde",
 ]
 
 [[package]]
@@ -544,12 +398,12 @@ checksum = "e6ecd384b10a64542d77071bd64bd7b231f4ed5940fba55e98c3de13824cf3d7"
 
 [[package]]
 name = "socket2"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
+checksum = "05ffd9c0a93b7543e062e759284fcf5f5e3b098501104bfbdde4d404db792871"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -601,16 +455,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
 dependencies = [
  "backtrace",
- "bytes",
  "libc",
  "mio",
  "num_cpus",
- "parking_lot",
  "pin-project-lite",
- "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "windows-sys",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -624,74 +475,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "tokio-util"
-version = "0.7.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
-dependencies = [
- "bytes",
- "futures-core",
- "futures-sink",
- "pin-project-lite",
- "tokio",
- "tracing",
-]
-
-[[package]]
-name = "tower"
-version = "0.4.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
-dependencies = [
- "futures-core",
- "futures-util",
- "pin-project",
- "pin-project-lite",
- "tokio",
- "tower-layer",
- "tower-service",
- "tracing",
-]
-
-[[package]]
-name = "tower-layer"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
-
-[[package]]
-name = "tower-service"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6bc1c9ce2b5135ac7f93c72918fc37feb872bdc6a5533a8b85eb4b86bfdae52"
-
-[[package]]
-name = "tracing"
-version = "0.1.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
-dependencies = [
- "log",
- "pin-project-lite",
- "tracing-core",
-]
-
-[[package]]
-name = "tracing-core"
-version = "0.1.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
-dependencies = [
- "once_cell",
-]
-
-[[package]]
-name = "try-lock"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
@@ -704,15 +487,6 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
-[[package]]
-name = "want"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
-dependencies = [
- "try-lock",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -725,7 +499,16 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.4",
 ]
 
 [[package]]
@@ -734,13 +517,28 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
- "windows_aarch64_gnullvm",
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_gnullvm",
- "windows_x86_64_msvc",
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd37b7e5ab9018759f893a1952c9420d060016fc19a472b4bb20d1bdd694d1b"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.4",
+ "windows_aarch64_msvc 0.52.4",
+ "windows_i686_gnu 0.52.4",
+ "windows_i686_msvc 0.52.4",
+ "windows_x86_64_gnu 0.52.4",
+ "windows_x86_64_gnullvm 0.52.4",
+ "windows_x86_64_msvc 0.52.4",
 ]
 
 [[package]]
@@ -749,42 +547,84 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bcf46cf4c365c6f2d1cc93ce535f2c8b244591df96ceee75d8e83deb70a9cac9"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da9f259dd3bcf6990b55bffd094c4f7235817ba4ceebde8e6d11cd0c5633b675"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b474d8268f99e0995f25b9f095bc7434632601028cf86590aea5c8a5cb7801d3"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1515e9a29e5bed743cb4415a9ecf5dfca648ce85ee42e15873c3cd8610ff8e02"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5eee091590e89cc02ad514ffe3ead9eb6b660aedca2183455434b93546371a03"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ca79f2451b49fa9e2af39f0747fe999fcda4f5e241b2898624dca97a1f2177"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32b752e52a2da0ddfbdbcc6fceadfeede4c939ed16d13e648833a61dfb611ed8"
+
 [[package]]
 name = "zeusns"
 version = "0.1.0"
@@ -794,5 +634,7 @@ dependencies = [
  "http-body-util",
  "hyper",
  "hyper-util",
+ "serde",
+ "serde_json",
  "tokio",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 34c52a7..65d1f23 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,9 @@ edition = "2021"
 [dependencies]
 diesel = { version = "2.1.4", features = ["sqlite"] }
 dotenvy = "0.15"
-tokio = {version = "1.36.0", features = ["full"]}
-hyper = {version = "1.2.0", features = ["full"]}
-hyper-util = { version = "0.1", features = ["full"] }
+tokio = {version = "1.36.0", features = ["macros","rt-multi-thread"], default-features = false}
+hyper = {version = "1.2.0", features = ["server", "http1"], default-features = false}
+hyper-util = { version = "0.1", features = ["server","http1", "tokio"], default-features = false}
 http-body-util = "0.1"
+serde_json = {version="^1.0", default-features = false, features=["std"]}
+serde = {version="^1.0", features = ["derive"]}
diff --git a/src/api.rs b/src/api.rs
index b78ffca..f974638 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -1,3 +1,113 @@
 use std::net::SocketAddr;
 
-pub async fn api_listener_loop(addr: SocketAddr) {}
+use http_body_util::{BodyExt, Full};
+use hyper::body::{Buf, Bytes};
+use hyper::server::conn::http1;
+use hyper::service::service_fn;
+use hyper::{header, Method, Request, Response, StatusCode};
+use hyper_util::rt::TokioIo;
+use serde::Deserialize;
+use tokio::net::TcpListener;
+
+use crate::db::models::insert_into_database;
+use crate::structs::{Class, Type, RR};
+
+type GenericError = Box<dyn std::error::Error + Send + Sync>;
+type Result<T> = std::result::Result<T, GenericError>;
+type BoxBody = http_body_util::combinators::BoxBody<Bytes, hyper::Error>;
+
+static INTERNAL_SERVER_ERROR: &[u8] = b"Internal Server Error";
+static NOTFOUND: &[u8] = b"Not Found";
+
+#[derive(Deserialize)]
+struct Record {
+    name: Vec<String>,
+    #[serde(rename = "type")]
+    _type: Type,
+    ttl: i32,
+    data: String,
+}
+
+async fn api_post_response(req: Request<hyper::body::Incoming>) -> Result<Response<BoxBody>> {
+    let whole_body = req.collect().await?.aggregate();
+
+    match serde_json::from_reader::<_, Record>(whole_body.reader()) {
+        Ok(record) => {
+            match insert_into_database(RR {
+                name: record.name,
+                _type: record._type,
+                class: Class::IN,
+                ttl: record.ttl,
+                rdlength: record.data.as_bytes().len() as u16,
+                rdata: record.data.as_bytes().to_vec(),
+            })
+            .await
+            {
+                Ok(_) => Ok(Response::builder()
+                    .status(StatusCode::OK)
+                    .body(full("Successfully Created"))?),
+                Err(e) => {
+                    eprintln!("{}", e.to_string());
+                    Ok(Response::builder()
+                        .status(StatusCode::INTERNAL_SERVER_ERROR)
+                        .body(full(INTERNAL_SERVER_ERROR))?)
+                }
+            }
+        }
+        Err(e) => Ok(Response::builder()
+            .status(StatusCode::FORBIDDEN)
+            .body(full(e.to_string()))?),
+    }
+}
+
+async fn api_get_response() -> Result<Response<BoxBody>> {
+    let data = vec!["foo", "bar"];
+    let res = match serde_json::to_string(&data) {
+        Ok(json) => Response::builder()
+            .header(header::CONTENT_TYPE, "application/json")
+            .body(full(json))
+            .unwrap(),
+        Err(_) => Response::builder()
+            .status(StatusCode::INTERNAL_SERVER_ERROR)
+            .body(full(INTERNAL_SERVER_ERROR))
+            .unwrap(),
+    };
+    Ok(res)
+}
+
+async fn routes(req: Request<hyper::body::Incoming>) -> Result<Response<BoxBody>> {
+    match (req.method(), req.uri().path()) {
+        (&Method::POST, "/add") => api_post_response(req).await,
+        (&Method::GET, "/json_api") => api_get_response().await,
+        _ => Ok(Response::builder()
+            .status(StatusCode::NOT_FOUND)
+            .body(full(NOTFOUND))
+            .unwrap()),
+    }
+}
+
+fn full<T: Into<Bytes>>(chunk: T) -> BoxBody {
+    Full::new(chunk.into())
+        .map_err(|never| match never {})
+        .boxed()
+}
+
+pub async fn api_listener_loop(
+    addr: SocketAddr,
+) -> Result<Box<dyn std::error::Error + Send + Sync>> {
+    let listener = TcpListener::bind(addr).await?;
+    loop {
+        let (stream, _) = listener.accept().await?;
+
+        let io = TokioIo::new(stream);
+
+        tokio::task::spawn(async move {
+            if let Err(err) = http1::Builder::new()
+                .serve_connection(io, service_fn(routes))
+                .await
+            {
+                println!("Error serving connection: {:?}", err);
+            }
+        });
+    }
+}
diff --git a/src/db/models.rs b/src/db/models.rs
index 80832a2..1ebb22c 100644
--- a/src/db/models.rs
+++ b/src/db/models.rs
@@ -1,6 +1,13 @@
-use self::schema::records;
+use crate::{
+    errors::DatabaseError,
+    structs::{Class, Question, Type, RR},
+};
 use diesel::prelude::*;
 
+use self::schema::records;
+
+use super::lib::establish_connection;
+
 mod schema {
     diesel::table! {
         records (name, _type, class) {
@@ -17,7 +24,7 @@ mod schema {
 
 #[derive(Insertable, Queryable, Selectable)]
 #[diesel(table_name = records)]
-pub struct Record {
+struct Record {
     pub name: String,
     pub _type: i32,
     pub class: i32,
@@ -45,3 +52,43 @@ impl Record {
             .execute(db)
     }
 }
+
+pub async fn insert_into_database(rr: RR) -> Result<(), DatabaseError> {
+    let db_connection = &mut establish_connection();
+    let record = Record {
+        name: rr.name.join("."),
+        _type: rr._type as i32,
+        class: rr.class as i32,
+        ttl: rr.ttl,
+        rdlength: rr.rdlength as i32,
+        rdata: rr.rdata,
+    };
+
+    Record::create(db_connection, record).map_err(|e| DatabaseError {
+        message: e.to_string(),
+    })?;
+
+    Ok(())
+}
+
+pub async fn get_from_database(question: Question) -> Result<RR, DatabaseError> {
+    let db_connection = &mut establish_connection();
+    let record = Record::get(
+        db_connection,
+        question.qname.join("."),
+        question.qtype as i32,
+        question.qclass as i32,
+    )
+    .map_err(|e| DatabaseError {
+        message: e.to_string(),
+    })?;
+
+    Ok(RR {
+        name: record.name.split(".").map(str::to_string).collect(),
+        _type: Type::try_from(record._type as u16).map_err(|e| DatabaseError { message: e })?,
+        class: Class::try_from(record.class as u16).map_err(|e| DatabaseError { message: e })?,
+        ttl: record.ttl,
+        rdlength: record.rdlength as u16,
+        rdata: record.rdata,
+    })
+}
diff --git a/src/resolver.rs b/src/resolver.rs
index 2a8e94c..3638a0f 100644
--- a/src/resolver.rs
+++ b/src/resolver.rs
@@ -4,64 +4,22 @@ use std::sync::Arc;
 
 use tokio::net::UdpSocket;
 
-use crate::db::{lib::establish_connection, models::Record};
-use crate::errors::DatabaseError;
+use crate::db::models::get_from_database;
 use crate::parser::FromBytes;
-use crate::structs::{Message, Question};
+use crate::structs::Message;
 
-use crate::structs::{Class, Type, RR};
 const MAX_DATAGRAM_SIZE: usize = 40_96;
 
-async fn get_from_database(question: Question) -> Result<RR, DatabaseError> {
-    let db_connection = &mut establish_connection();
-    let record = Record::get(
-        db_connection,
-        question.qname.join("."),
-        question.qtype as i32,
-        question.qclass as i32,
-    )
-    .map_err(|e| DatabaseError {
-        message: e.to_string(),
-    })?;
-
-    Ok(RR {
-        name: record.name.split(".").map(str::to_string).collect(),
-        _type: Type::try_from(record._type as u16).map_err(|e| DatabaseError { message: e })?,
-        class: Class::try_from(record.class as u16).map_err(|e| DatabaseError { message: e })?,
-        ttl: record.ttl,
-        rdlength: record.rdlength as u16,
-        rdata: record.rdata,
-    })
-}
-
-async fn insert_into_database(rr: RR) -> Result<(), DatabaseError> {
-    let db_connection = &mut establish_connection();
-    let record = Record {
-        name: rr.name.join("."),
-        _type: rr._type as i32,
-        class: rr.class as i32,
-        ttl: rr.ttl,
-        rdlength: rr.rdlength as i32,
-        rdata: rr.rdata,
-    };
-
-    Record::create(db_connection, record).map_err(|e| DatabaseError {
-        message: e.to_string(),
-    })?;
-
-    Ok(())
-}
-
 async fn create_query(message: Message) -> Message {
     let mut response = message.clone();
 
     let answer = get_from_database(message.question).await;
+    response.header.arcount = 0;
 
     match answer {
         Ok(rr) => {
             response.header.flags |= 0b1000010110000000;
             response.header.ancount = 1;
-            response.header.arcount = 0;
             response.answer = Some(rr)
         }
         Err(e) => {
diff --git a/src/structs.rs b/src/structs.rs
index 8751164..de1852d 100644
--- a/src/structs.rs
+++ b/src/structs.rs
@@ -1,8 +1,9 @@
+use serde::Deserialize;
+
 #[repr(u16)]
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Deserialize)]
 pub enum Type {
     A = 1,
-    AAAA = 28
 }
 
 #[repr(u16)]
@@ -14,8 +15,8 @@ pub enum Class {
 #[derive(Debug, Clone)]
 pub struct Question {
     pub qname: Vec<String>,
-    pub qtype: Type,        // NOTE: should be QTYPE, right now not really needed
-    pub qclass: Class,      //NOTE: should be QCLASS, right now not really needed
+    pub qtype: Type,   // NOTE: should be QTYPE, right now not really needed
+    pub qclass: Class, //NOTE: should be QCLASS, right now not really needed
 }
 
 #[derive(Debug, Clone)]
@@ -47,7 +48,7 @@ pub struct RR {
     pub rdata: Vec<u8>,
 }
 
-pub type LabelString = (Vec<String>,usize);
+pub type LabelString = (Vec<String>, usize);
 
 #[derive(Debug)]
 pub struct Response {