Try to serialize BigDecimal

tokiounixsocket/Cargo.lock

@@ -2,6 +2,24 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "bigdecimal"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6aaf33151a6429fe9211d1b276eafdf70cdff28b071e76c0b0e1503221ea3744"
+dependencies = [
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+ "serde",
+]
+
 [[package]]
 name = "bincode"
 version = "1.3.3"
@@ -75,6 +93,36 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-bigint"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.8"
@@ -171,6 +219,7 @@ dependencies = [
 name = "tokiounixsocket"
 version = "0.1.0"
 dependencies = [
+ "bigdecimal",
  "bincode",
  "serde",
  "tokio",

tokiounixsocket/Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+bigdecimal = { version = "0.3.0", features = ["serde"] }
 bincode = "1.3.3"
 serde = { version = "1.0.136", features = ["derive"] }
 tokio = { version = "1.17.0", features = ["rt", "sync", "net", "macros", "io-util"] }

tokiounixsocket/src/main.rs

@@ -1,6 +1,8 @@
 use std::io;
 use std::path::Path;
+use std::str::FromStr;
 
+use bigdecimal::BigDecimal;
 use tokio::io::AsyncReadExt;
 use tokio::io::AsyncWriteExt;
 use tokio::io::Interest;
@@ -10,7 +12,9 @@ use tokio::net::UnixStream;
 #[derive(Debug, serde::Serialize, serde::Deserialize)]
 enum Message {
     First(i64, String),
-    Second(i64, String),
+    Second(i64, Option<String>),
+    Third(i64),
+    Fourth(BigDecimal),
 }
 
 #[tokio::main(flavor = "current_thread")]
@@ -84,10 +88,11 @@ async fn send_to_consumer(stream: &mut UnixStream) {
     let mut should_yield = false;
     let mut seq = 0;
     loop {
-        let message = if should_yield {
-            Message::First(seq, format!("{} first", seq))
-        } else {
-            Message::Second(seq, format!("{} second", seq))
+        let message = match seq % 5 {
+            0 => Message::First(seq, format!("{} first", seq)),
+            1 => Message::Second(seq, Some(format!("{} second", seq))),
+            2 => Message::Third(seq),
+            _ => Message::Fourth(BigDecimal::from_str(&format!("{}", seq)).unwrap()),
         };
         seq += 1;