From a5fd7a64620e222288a975db0caa2ee25d3e8319 Mon Sep 17 00:00:00 2001
From: Bastian Gruber <foreach@me.com>
Date: Tue, 23 May 2023 14:31:26 +0200
Subject: [PATCH] Add init to challenge 4, fmt to 3a-c

---
 3a-single-node-broadcast/Cargo.lock      | 383 +-------------
 3b-multi-node-broadcast/Cargo.lock       | 611 +----------------------
 3c-fault-tolerant-broadcast/rustfmt.toml |   6 +
 4-grow-only-counter/.gitignore           |   1 +
 4-grow-only-counter/Cargo.lock           |  89 ++++
 4-grow-only-counter/Cargo.toml           |   8 +
 4-grow-only-counter/rustfmt.toml         |   6 +
 4-grow-only-counter/src/main.rs          |  67 +++
 8 files changed, 181 insertions(+), 990 deletions(-)
 create mode 100644 3c-fault-tolerant-broadcast/rustfmt.toml
 create mode 100644 4-grow-only-counter/.gitignore
 create mode 100644 4-grow-only-counter/Cargo.lock
 create mode 100644 4-grow-only-counter/Cargo.toml
 create mode 100644 4-grow-only-counter/rustfmt.toml
 create mode 100644 4-grow-only-counter/src/main.rs

diff --git a/3a-single-node-broadcast/Cargo.lock b/3a-single-node-broadcast/Cargo.lock
index dcc711f..de30834 100644
--- a/3a-single-node-broadcast/Cargo.lock
+++ b/3a-single-node-broadcast/Cargo.lock
@@ -2,27 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "android_system_properties"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "anyhow"
-version = "1.0.71"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
-
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-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -35,24 +14,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
-[[package]]
-name = "bumpalo"
-version = "3.12.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c6ed94e98ecff0c12dd1b04c15ec0d7d9458ca8fe806cea6f12954efe74c63b"
-
 [[package]]
 name = "bytes"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -63,63 +30,11 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 name = "ch03a-single-node-broadcast"
 version = "0.1.0"
 dependencies = [
- "log",
- "log4rs",
  "serde",
  "serde_json",
  "tokio",
 ]
 
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-version = "0.4.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "iana-time-zone",
- "js-sys",
- "num-integer",
- "num-traits",
- "time",
- "wasm-bindgen",
- "winapi",
-]
-
-[[package]]
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-version = "0.8.4"
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- "syn 1.0.109",
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-
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 [[package]]
 name = "hermit-abi"
 version = "0.2.6"
@@ -129,72 +44,18 @@ dependencies = [
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 ]
 
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "core-foundation-sys",
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- "js-sys",
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- "windows",
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 [[package]]
 name = "itoa"
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 checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68c16e1bfd491478ab155fd8b4896b86f9ede344949b641e61501e07c2b8b4d5"
-dependencies = [
- "wasm-bindgen",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.142"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -212,39 +73,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
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- "serde",
-]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
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-dependencies = [
- "anyhow",
- "arc-swap",
- "chrono",
- "derivative",
- "fnv",
- "humantime",
- "libc",
- "log",
- "log-mdc",
- "parking_lot",
- "serde",
- "serde-value",
- "serde_json",
- "serde_yaml",
- "thiserror",
- "thread-id",
- "typemap-ors",
- "winapi",
 ]
 
 [[package]]
@@ -255,29 +83,10 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
  "libc",
  "log",
- "wasi 0.11.0+wasi-snapshot-preview1",
+ "wasi",
  "windows-sys 0.45.0",
 ]
 
-[[package]]
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-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "num-traits",
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-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.15.0"
@@ -288,21 +97,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "once_cell"
-version = "1.17.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
-
-[[package]]
-name = "ordered-float"
-version = "2.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7940cf2ca942593318d07fcf2596cdca60a85c9e7fab408a5e21a4f9dcd40d87"
-dependencies = [
- "num-traits",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -380,16 +174,6 @@ dependencies = [
  "serde_derive",
 ]
 
-[[package]]
-name = "serde-value"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3a1a3341211875ef120e117ea7fd5228530ae7e7036a779fdc9117be6b3282c"
-dependencies = [
- "ordered-float",
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.160"
@@ -398,7 +182,7 @@ checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn",
 ]
 
 [[package]]
@@ -412,18 +196,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_yaml"
-version = "0.8.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
-dependencies = [
- "indexmap",
- "ryu",
- "serde",
- "yaml-rust",
-]
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.1"
@@ -449,17 +221,6 @@ dependencies = [
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 ]
 
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
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-
 [[package]]
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 version = "2.0.15"
@@ -471,48 +232,6 @@ dependencies = [
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 ]
 
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- "winapi",
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-
 [[package]]
 name = "tokio"
 version = "1.28.0"
@@ -540,16 +259,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
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- "syn 2.0.15",
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-checksum = "a68c24b707f02dd18f1e4ccceb9d49f2058c2fb86384ef9972592904d7a28867"
-dependencies = [
- "unsafe-any-ors",
+ "syn",
 ]
 
 [[package]]
@@ -558,81 +268,12 @@ version = "1.0.8"
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 checksum = "e5464a87b239f13a63a501f2701565754bae92d243d4bb7eb12f6d57d2269bf4"
 
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-
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-dependencies = [
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-
 [[package]]
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@@ -655,15 +296,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
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-dependencies = [
- "windows-targets 0.48.0",
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@@ -795,12 +427,3 @@ name = "windows_x86_64_msvc"
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 checksum = "1a515f5799fe4961cb532f983ce2b23082366b898e52ffbce459c86f67c8378a"
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-dependencies = [
- "linked-hash-map",
-]
diff --git a/3b-multi-node-broadcast/Cargo.lock b/3b-multi-node-broadcast/Cargo.lock
index bf55435..9a08f2e 100644
--- a/3b-multi-node-broadcast/Cargo.lock
+++ b/3b-multi-node-broadcast/Cargo.lock
@@ -2,292 +2,20 @@
 # It is not intended for manual editing.
 version = 3
 
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diff --git a/3c-fault-tolerant-broadcast/rustfmt.toml b/3c-fault-tolerant-broadcast/rustfmt.toml
new file mode 100644
index 0000000..abf4214
--- /dev/null
+++ b/3c-fault-tolerant-broadcast/rustfmt.toml
@@ -0,0 +1,6 @@
+hard_tabs = true
+imports_granularity = "Crate"
+reorder_impl_items = true
+reorder_imports = true
+group_imports = "StdExternalCrate"
+reorder_modules = true
\ No newline at end of file
diff --git a/4-grow-only-counter/.gitignore b/4-grow-only-counter/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/4-grow-only-counter/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/4-grow-only-counter/Cargo.lock b/4-grow-only-counter/Cargo.lock
new file mode 100644
index 0000000..61de129
--- /dev/null
+++ b/4-grow-only-counter/Cargo.lock
@@ -0,0 +1,89 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "ch4-grow-only-counter"
+version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
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+]
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+ "syn",
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+ "ryu",
+ "serde",
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+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
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diff --git a/4-grow-only-counter/Cargo.toml b/4-grow-only-counter/Cargo.toml
new file mode 100644
index 0000000..f916faa
--- /dev/null
+++ b/4-grow-only-counter/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "ch4-grow-only-counter"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = {version = "1", features = ["derive"] }
+serde_json = "1"
diff --git a/4-grow-only-counter/rustfmt.toml b/4-grow-only-counter/rustfmt.toml
new file mode 100644
index 0000000..abf4214
--- /dev/null
+++ b/4-grow-only-counter/rustfmt.toml
@@ -0,0 +1,6 @@
+hard_tabs = true
+imports_granularity = "Crate"
+reorder_impl_items = true
+reorder_imports = true
+group_imports = "StdExternalCrate"
+reorder_modules = true
\ No newline at end of file
diff --git a/4-grow-only-counter/src/main.rs b/4-grow-only-counter/src/main.rs
new file mode 100644
index 0000000..6b9490a
--- /dev/null
+++ b/4-grow-only-counter/src/main.rs
@@ -0,0 +1,67 @@
+use std::io::{self, BufRead, Write};
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Message {
+	src: String,
+	dest: String,
+	body: Body,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+#[serde(tag = "type")]
+#[serde(rename_all = "snake_case")]
+enum Body {
+	Init {
+		msg_id: u64,
+		node_id: String,
+		node_ids: Vec<String>,
+	},
+	InitOk {
+		in_reply_to: u64,
+	},
+	Add {
+		delta: u64,
+		msg_id: u64,
+		in_reply_to: u64,
+	},
+	AddOk {
+		msg_id: u64,
+		in_reply_to: u64,
+	},
+	Read {
+		msg_id: u64,
+	},
+	ReadOk {
+		value: u64,
+		msg_id: u64,
+		in_reply_to: u64,
+	},
+}
+
+fn main() {
+	let stdin = io::stdin();
+	let mut stdout = io::stdout();
+
+	for line in stdin.lock().lines() {
+		let input: Message = serde_json::from_str(&line.unwrap()).unwrap();
+		match input.body {
+			Body::Init {
+				msg_id, node_id, ..
+			} => {
+				let output = Message {
+					src: node_id.clone(),
+					dest: input.src,
+					body: Body::InitOk {
+						in_reply_to: msg_id,
+					},
+				};
+				let output_json = serde_json::to_string(&output).unwrap();
+				writeln!(stdout, "{}", output_json).unwrap();
+				stdout.flush().unwrap();
+			}
+			_ => (),
+		}
+	}
+}