add serialization prototyping

serialization-prototyping/.gitignore

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+/target

serialization-prototyping/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "autocfg"
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+[[package]]
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+ "rmp-serde",
+ "rmpv",
+ "serde",
+ "serde_json",
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+]
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+ "proc-macro2",
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+ "num-traits",
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+ "serde",
+]
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+ "rmp",
+ "serde",
+ "serde_bytes",
+]
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+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
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+ "itoa",
+ "ryu",
+ "serde",
+]
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
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serialization-prototyping/Cargo.toml

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+[package]
+name = "msg-pack-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rmp-serde = "1"
+rmpv = { version = "1", features = ["with-serde"] }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1"

serialization-prototyping/python-test/.gitignore

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+/venv

serialization-prototyping/python-test/main.py

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+#!/usr/bin/env python3
+from socket import AF_INET, SOCK_DGRAM, socket
+import msgpack
+
+nadine = {
+    "age": 24,
+    "name": "Nadine",
+}
+
+msg_pack_stuff = msgpack.packb(nadine)
+assert msg_pack_stuff is not None
+server_socket = socket(AF_INET, SOCK_DGRAM)
+target_address = "localhost", 7301
+bytes_sent = server_socket.sendto(msg_pack_stuff, target_address)
+recv_back = server_socket.recv(4096)
+print(f"recv back: {recv_back}")
+
+unpacked = msgpack.unpackb(recv_back)
+print(f"unpacked: {unpacked}")
+# human_test = {:x for x in unpacked}
+loaded_back = msgpack.loads(recv_back)
+print(loaded_back)

serialization-prototyping/python-test/requirements.txt

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+msgpack==1.0.8

serialization-prototyping/src/main.rs

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+use rmp_serde::{Deserializer, Serializer};
+use serde::{Deserialize, Serialize};
+use std::{collections::HashMap, net::UdpSocket};
+
+#[derive(Debug, Clone, Copy, PartialEq, Deserialize, Serialize)]
+pub enum Color {
+    Red = 0,
+    Green = 1,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
+struct Human {
+    age: u16,
+    name: String,
+
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
+struct HumanAdvanced {
+    id: u32,
+    age: u16,
+    name: String,
+    fav_color: Color,
+}
+
+#[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
+struct HumanGroup {
+    humans: Vec<HumanAdvanced>,
+    bank: HashMap<u32, usize>,
+}
+
+fn wild_testing() {
+    let mut buf = Vec::new();
+    let john = HumanAdvanced {
+        id: 0,
+        age: 42,
+        name: "John".into(),
+        fav_color: Color::Green,
+    };
+
+    john.serialize(&mut Serializer::new(&mut buf)).unwrap();
+
+    println!("{:?}", buf);
+    let new_val: HumanAdvanced = rmp_serde::from_slice(&buf).expect("deserialization failed");
+    let rmpv_val: rmpv::Value = rmp_serde::from_slice(&buf).expect("serialization into val failed");
+    println!("RMPV value: {:?}", rmpv_val);
+    let json_str = serde_json::to_string(&rmpv_val).expect("creating json failed");
+    assert_eq!(john, new_val);
+    println!("JSON str: {}", json_str);
+    let val_test: HumanAdvanced = serde_json::from_str(&json_str).expect("wild");
+    println!("val test: {:?}", val_test);
+
+    let nadine = HumanAdvanced {
+        id: 1,
+        age: 24,
+        name: "Nadine".into(),
+        fav_color: Color::Red,
+    };
+    let mut bank = HashMap::default();
+    bank.insert(john.id, 1000000);
+    bank.insert(nadine.id, 1);
+
+    let human_group = HumanGroup {
+        humans: vec![john, nadine.clone()],
+        bank,
+    };
+    let json_str = serde_json::to_string(&nadine).unwrap();
+    println!("Nadine as JSON: {}", json_str);
+
+    let nadine_is_back: HumanAdvanced = serde_json::from_str(&json_str).unwrap();
+    println!("nadine deserialized: {:?}", nadine_is_back);
+
+    let human_group_json = serde_json::to_string(&human_group).unwrap();
+    println!("human group: {}", human_group_json);
+    println!("human group json size: {}", human_group_json.len());
+
+    let human_group_rmp_vec = rmp_serde::to_vec(&human_group_json).unwrap();
+    println!("human group msg pack size: {:?}", human_group_rmp_vec.len());
+}
+
+fn main() {
+    let socket = UdpSocket::bind("127.0.0.1:7301").expect("binding UDP socket failed");
+
+    // Receives a single datagram message on the socket. If `buf` is too small to hold
+    // the message, it will be cut off.
+    let mut buf = [0; 4096];
+    let (received, src) = socket.recv_from(&mut buf).expect("receive call failed");
+    let human_from_python: rmpv::Value = rmp_serde::from_slice(&buf[..received]).expect("blablah");
+    let human_attempt_2: Human = rmp_serde::from_slice(&buf[..received]).expect("blhfwhfw");
+    println!("human from python: {}", human_from_python);
+    println!("human 2 from python: {:?}", human_attempt_2);
+    let send_back_human = rmp_serde::to_vec(&human_attempt_2).expect("k32k323k2");
+    socket.send_to(&send_back_human, src).expect("sending back failed");
+}