libjmap/src/protocol.rs

84 lines
2.2 KiB
Rust

/*
* libjmap
*
* Copyright 2019 Manos Pitsidianakis
*
* This file is part of libjmap.
*
* libjmap is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* libjmap is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with libjmap. If not, see <http://www.gnu.org/licenses/>.
*/
use super::*;
use serde::Serialize;
use serde_json::Value;
pub type UtcDate = String;
use super::rfc8620::Object;
macro_rules! get_request_no {
($lock:expr) => {{
let mut lck = $lock.lock().unwrap();
let ret = *lck;
*lck += 1;
ret
}};
}
pub trait Response<OBJ: Object> {
const NAME: &'static str;
}
pub trait Method<OBJ: Object>: Serialize {
const NAME: &'static str;
}
static USING: &[&str] = &["urn:ietf:params:jmap:core", "urn:ietf:params:jmap:mail"];
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Request {
using: &'static [&'static str],
/* Why is this Value instead of Box<dyn Method<_>>? The Method trait cannot be made into a
* Trait object because its serialize() will be generic. */
method_calls: Vec<Value>,
#[serde(skip)]
request_no: Arc<Mutex<usize>>,
}
impl Request {
pub fn new(request_no: Arc<Mutex<usize>>) -> Self {
Request {
using: USING,
method_calls: Vec::new(),
request_no,
}
}
pub fn add_call<M: Method<O>, O: Object>(&mut self, call: &M) -> usize {
let seq = get_request_no!(self.request_no);
self.method_calls
.push(serde_json::to_value((M::NAME, call, &format!("m{}", seq))).unwrap());
seq
}
}
#[derive(Deserialize, Debug)]
#[serde(rename_all = "camelCase")]
pub struct JsonResponse<'a> {
#[serde(borrow)]
method_responses: Vec<MethodResponse<'a>>,
}