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mut req = Vec::::with_capacity(0x10); + loop { + let mut buffer = String::with_capacity(0x100); + for byte in reader.get_ref().bytes() { + buffer.push(byte? as char); + if buffer.ends_with("\r\n") { + break; + } + } + if buffer.trim().is_empty() { + break; + } + buffer.shrink_to_fit(); + req.push(buffer); + } + let req_line: ReqLine = req + .get(0) + .ok_or(std::io::Error::other("Missing request line."))? + .trim() + .parse()?; + + let headers: std::io::Result> = + req.iter().skip(1).map(|line| line.parse()).collect(); + + debug!( + "{} {} {}", + req_line.method, req_line.route, req_line.version + ); + for line in headers? { + debug!("{}: {}", line.key, line.value); + } + + let resp = "HTTP/1.1 200 OK\r\n\r\nHello, world!\r\n"; + + let count = writer.write(resp.as_bytes())?; + info!("Response sent ({})", count); + + writer.flush()?; + + Ok(()) +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..18bfdfc --- /dev/null +++ b/src/main.rs @@ -0,0 +1,24 @@ +use std::net::TcpListener; + +use http_server::handle_connection; +use log::info; + +fn main() -> Result<(), Box> { + env_logger::init(); + + let address = "127.0.0.1:8080"; + + info!("Listening on {}", address); + let listener = TcpListener::bind(address)?; + + for connection in listener.incoming() { + if let Ok(stream) = connection { + if let Err(err) = handle_connection(stream) { + println!("Error handling connection {}", err.to_string()); + } + } + } + + Ok(()) +} + diff --git a/src/request.rs b/src/request.rs new file mode 100644 index 0000000..73cf53a --- /dev/null +++ b/src/request.rs @@ -0,0 +1,46 @@ +use std::str::FromStr; + +#[derive(Debug)] +pub(crate) struct ReqLine { + pub(crate) method: String, + pub(crate) route: String, + pub(crate) version: String, +} + +impl FromStr for ReqLine { + type Err = std::io::Error; + + fn from_str(s: &str) -> Result { + let (method, rest) = s + .split_once(" ") + .ok_or(std::io::Error::other("Missing route"))?; + let (route, version) = rest + .split_once(" ") + .ok_or(std::io::Error::other("Missing version"))?; + Ok(Self { + method: method.trim().to_string(), + route: route.trim().to_string(), + version: version.trim().to_string(), + }) + } +} + +#[derive(Debug)] +pub(crate) struct Header { + pub(crate) key: String, + pub(crate) value: String, +} + +impl FromStr for Header { + type Err = std::io::Error; + + fn from_str(s: &str) -> Result { + let (key, value) = s + .split_once(":") + .ok_or(std::io::Error::other("Missing value"))?; + Ok(Self { + key: key.trim().to_string(), + value: value.trim().to_string(), + }) + } +} diff --git a/src/response.rs b/src/response.rs new file mode 100644 index 0000000..4032fed --- /dev/null +++ b/src/response.rs @@ -0,0 +1,9 @@ +pub(crate) enum Version { + V11, +} + +pub(crate) enum Status { + OK, + NotFound, + Forbidden, +}