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use std::os::unix::net::UnixStream;
use camino::{Utf8Path, Utf8PathBuf};
use gatherer_api::{
request::{self, Request},
response::{self, Response},
};
pub use gatherer_api::response::{GeneratedGraphs, GraphBounds};
pub struct Client {
socket_path: Utf8PathBuf,
}
impl Client {
pub fn new(socket_path: Utf8PathBuf) -> Self {
Self { socket_path }
}
pub fn connect(&self) -> Result<Connection, Error> {
Ok(Connection::new(&self.socket_path)?)
}
}
pub struct Connection {
stream: UnixStream,
}
impl Connection {
pub(crate) fn new(path: &Utf8Path) -> Result<Connection, Error> {
let stream = UnixStream::connect(path).map_err(|_| Error::ConnectionFailed)?;
Ok(Self { stream })
}
pub fn graph_bounds(&mut self) -> Result<response::GraphBounds, Error> {
let request = Request::new(request::Message::GetGraphBounds);
request
.send(&mut self.stream)
.map_err(|_| Error::SendError)?;
let response = self.get_response()?;
response.get_body().map_err(|_| Error::ReceiveError)
}
pub fn generate_graphs(
&mut self,
root: Utf8PathBuf,
) -> Result<response::GeneratedGraphs, Error> {
let request = Request::new(request::Message::GenerateGraphs)
.with_body(request::GenerateGraphsBody { directory: root })
.map_err(|_| Error::SendError)?;
request
.send(&mut self.stream)
.map_err(|_| Error::SendError)?;
let response = self.get_response()?;
response.get_body().map_err(|_| Error::ReceiveError)
}
pub fn regular_graphs(&mut self) -> Result<response::GeneratedGraphs, Error> {
let request = Request::new(request::Message::GetRegularGraphs);
request
.send(&mut self.stream)
.map_err(|_| Error::SendError)?;
let response = self.get_response()?;
response.get_body().map_err(|_| Error::ReceiveError)
}
fn get_response(&mut self) -> Result<Response, Error> {
let mut buffer = vec![0; 8096];
let count = gatherer_api::read_packet(&mut self.stream, &mut buffer)
.map_err(|_| Error::ReceiveError)?;
tracing::trace!("read {count} bytes");
Response::from_buffer(&buffer[..count]).map_err(|_| Error::SendError)
}
}
#[derive(Debug, PartialEq)]
pub enum Error {
ConnectionFailed,
SendError,
ReceiveError,
}
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