commit eccd952fb19ecd37c608fc6fa6d56a4a199ebc6f
Author: Michael Zhang <mail@mzhang.io>
Date:   Thu Jan 14 14:26:23 2021 -0600

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
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diff --git a/Cargo.lock b/Cargo.lock
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index 0000000..dce2eb6
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..999ecf0
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[workspace]
+members = [
+    "mintrix-common",
+    "mintrix-server",
+    "mintrix-tui",
+]
diff --git a/mintrix-common/Cargo.toml b/mintrix-common/Cargo.toml
new file mode 100644
index 0000000..83a9e29
--- /dev/null
+++ b/mintrix-common/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "mintrix-common"
+version = "0.1.0"
+authors = ["Michael Zhang <iptq@protonmail.com>"]
+edition = "2018"
+
+[dependencies]
+pest = "2.1.3"
+pest_derive = "2.1.0"
+thiserror = "1.0.20"
+tokio-util = "0.3.1"
diff --git a/mintrix-common/src/lib.rs b/mintrix-common/src/lib.rs
new file mode 100644
index 0000000..6b95b09
--- /dev/null
+++ b/mintrix-common/src/lib.rs
@@ -0,0 +1,8 @@
+#[macro_use]
+extern crate pest_derive;
+#[macro_use]
+extern crate thiserror;
+
+mod proto;
+
+pub use crate::proto::{Message, MessageParser};
diff --git a/mintrix-common/src/markdown.pest b/mintrix-common/src/markdown.pest
new file mode 100644
index 0000000..e69de29
diff --git a/mintrix-common/src/message.pest b/mintrix-common/src/message.pest
new file mode 100644
index 0000000..52c3534
--- /dev/null
+++ b/mintrix-common/src/message.pest
@@ -0,0 +1,24 @@
+line = _{ SOI ~ line_inner ~ EOI }
+line_inner = { command ~ "(" ~ arg* ~ ")" ~ rest }
+command = { ident }
+
+arg = { pos_arg | named_arg }
+pos_arg = { ident | string }
+named_arg = ${ ident ~ "=" ~ pos_arg }
+
+rest = @{ ":" ~ rest_char* }
+rest_char = {
+    !("\n" | "\\") ~ ANY
+    | "\\" ~ "\n"
+}
+
+ident = @{ ASCII_ALPHA ~ (ASCII_ALPHANUMERIC | "-" | "_")* }
+
+string = ${ "\"" ~ string_inner ~ "\"" }
+string_inner = @{ string_char* }
+string_char = {
+    !("\"" | "\\") ~ ANY
+    | "\\" ~ ("\"" | "\\" | "/" | "b" | "f" | "n" | "r" | "t")
+    | "\\" ~ ("u" ~ ASCII_HEX_DIGIT{4})
+}
+
diff --git a/mintrix-common/src/proto.rs b/mintrix-common/src/proto.rs
new file mode 100644
index 0000000..c45dd5d
--- /dev/null
+++ b/mintrix-common/src/proto.rs
@@ -0,0 +1,68 @@
+use std::collections::HashMap;
+use std::fmt;
+use std::str::FromStr;
+
+use pest::{error::Error as PestError, Parser};
+
+#[derive(Parser)]
+#[grammar = "message.pest"]
+pub struct MessageParser;
+
+/// Represents a general message, which is the basic unit of communication
+pub struct Message {
+    /// The command, usually a verb, stating the purpose of the message.
+    pub command: String,
+
+    pub positional: Vec<String>,
+    pub named: HashMap<String, String>,
+    pub content: String,
+}
+
+#[derive(Debug, Error)]
+pub enum ParseError {
+    #[error("parse error: {0}")]
+    Pest(#[from] PestError<Rule>),
+}
+
+impl FromStr for Message {
+    type Err = ParseError;
+    fn from_str(line: &str) -> Result<Self, Self::Err> {
+        let parsed = MessageParser::parse(Rule::line, line)?;
+
+        Ok(Message {
+            command: String::new(),
+            positional: vec![],
+            named: HashMap::new(),
+            content: String::new(),
+        })
+    }
+}
+
+impl fmt::Display for Message {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{cmd}", cmd = self.command)
+    }
+}
+
+pub enum Command<'a> {
+    Auth(),
+    Dispatch(&'a str),
+}
+
+pub struct MessageCodec;
+
+impl Decoder for MessageCodec {
+
+}
+
+#[cfg(test)]
+mod tests {
+    use std::str::FromStr;
+
+    use super::Message;
+
+    #[test]
+    fn basic() {
+        let message = Message::from_str("").unwrap();
+    }
+}
diff --git a/mintrix-server/Cargo.toml b/mintrix-server/Cargo.toml
new file mode 100644
index 0000000..40aee00
--- /dev/null
+++ b/mintrix-server/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "mintrix-server"
+version = "0.1.0"
+authors = ["Michael Zhang <iptq@protonmail.com>"]
+edition = "2018"
+
+[dependencies]
+mintrix-common = { path = "../mintrix-common" }
+tokio = { version = "0.2.22", features = ["full"] }
+bus_queue = "0.5.3"
+anyhow = "1.0.32"
+futures = "0.3.5"
+tokio-util = "0.3.1"
diff --git a/mintrix-server/src/main.rs b/mintrix-server/src/main.rs
new file mode 100644
index 0000000..cc676fe
--- /dev/null
+++ b/mintrix-server/src/main.rs
@@ -0,0 +1,31 @@
+use anyhow::Result;
+use futures::future::TryFutureExt;
+use tokio::{
+    io::{AsyncBufReadExt, BufReader},
+    net::{TcpListener, TcpStream},
+};
+
+async fn handle_client(mut socket: TcpStream) -> Result<()> {
+    let (read_half, write_half) = socket.split();
+    let mut reader = BufReader::new(read_half);
+    let mut buf = Vec::new();
+    reader.read_until(b'\n', &mut buf).await?;
+
+    let protocol_version = std::str::from_utf8(&buf)?.trim().parse::<u8>()?;
+
+    Ok(())
+}
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    let mut listener = TcpListener::bind("0.0.0.0:7776").await?;
+
+    loop {
+        let (socket, _) = listener.accept().await?;
+        tokio::spawn(handle_client(socket).map_err(|err| {
+            eprintln!("error: {:?}", err);
+        }));
+    }
+
+    Ok(())
+}
diff --git a/mintrix-tui/Cargo.toml b/mintrix-tui/Cargo.toml
new file mode 100644
index 0000000..48bc221
--- /dev/null
+++ b/mintrix-tui/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "mintrix-tui"
+version = "0.1.0"
+authors = ["Michael Zhang <iptq@protonmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+termion = "1.5.5"
diff --git a/mintrix-tui/src/main.rs b/mintrix-tui/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/mintrix-tui/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..3450fc4
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1,2 @@
+max_width = 80
+wrap_comments = true
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..e7a11a9
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}