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pub mod device_manager;
use crate::core::errors::*;
use crate::core::messages;
use crate::core::messages::ButtplugMessage;
use crate::core::messages::ButtplugMessageUnion;
use async_std::sync::Sender;
pub struct ButtplugServer {
server_name: String,
server_spec_version: u32,
client_spec_version: Option<u32>,
client_name: Option<String>,
max_ping_time: u32,
_event_sender: Sender<ButtplugMessageUnion>,
}
impl ButtplugServer {
pub fn new(
name: &str,
max_ping_time: u32,
_event_sender: Sender<ButtplugMessageUnion>,
) -> Self {
Self {
server_name: name.to_string(),
server_spec_version: 1,
client_name: None,
client_spec_version: None,
max_ping_time,
_event_sender,
}
}
pub async fn send_message(
&mut self,
msg: &ButtplugMessageUnion,
) -> Result<ButtplugMessageUnion, ButtplugError> {
match msg {
ButtplugMessageUnion::RequestServerInfo(ref _s) => self.perform_handshake(_s),
ButtplugMessageUnion::StartScanning(_) => self.start_scanning().await.map_or_else(
|| Result::Ok(ButtplugMessageUnion::Ok(messages::Ok::new(msg.get_id()))),
Result::Err,
),
ButtplugMessageUnion::StopScanning(_) => self.stop_scanning().await.map_or_else(
|| Result::Ok(ButtplugMessageUnion::Ok(messages::Ok::new(msg.get_id()))),
Result::Err,
),
_ => Result::Ok(ButtplugMessageUnion::Ok(messages::Ok::new(msg.get_id()))),
}
}
fn perform_handshake(
&mut self,
msg: &messages::RequestServerInfo,
) -> Result<ButtplugMessageUnion, ButtplugError> {
if self.server_spec_version < msg.message_version {
return Result::Err(ButtplugError::ButtplugHandshakeError(
ButtplugHandshakeError {
message: format!(
"Server version ({}) must be equal to or greater than client version ({}).",
self.server_spec_version, msg.message_version
),
},
));
}
self.client_name = Option::Some(msg.client_name.clone());
self.client_spec_version = Option::Some(msg.message_version);
Result::Ok(
messages::ServerInfo::new(
&self.server_name,
self.server_spec_version,
self.max_ping_time,
)
.as_union(),
)
}
async fn start_scanning(&self) -> Option<ButtplugError> {
None
}
async fn stop_scanning(&self) -> Option<ButtplugError> {
None
}
}
#[cfg(test)]
mod test {
use super::*;
use async_std::{sync::channel, task};
async fn test_server_setup(msg_union: &messages::ButtplugMessageUnion) -> ButtplugServer {
let (send, _) = channel(256);
let mut server = ButtplugServer::new("Test Server", 0, send);
assert_eq!(server.server_name, "Test Server");
match server.send_message(&msg_union).await.unwrap() {
ButtplugMessageUnion::ServerInfo(_s) => {
assert_eq!(_s, messages::ServerInfo::new("Test Server", 1, 0))
}
_ => assert!(false, "Should've received ok"),
}
server
}
#[test]
fn test_server_handshake() {
let msg = messages::RequestServerInfo::new("Test Client", 1);
let msg_union = ButtplugMessageUnion::RequestServerInfo(msg);
task::block_on(async {
let server = test_server_setup(&msg_union).await;
assert_eq!(server.client_name.unwrap(), "Test Client");
});
}
#[test]
fn test_server_version_lt() {
let msg = messages::RequestServerInfo::new("Test Client", 0);
let msg_union = ButtplugMessageUnion::RequestServerInfo(msg);
task::block_on(async {
test_server_setup(&msg_union).await;
});
}
#[test]
fn test_server_version_gt() {
let (send, _) = channel(256);
let mut server = ButtplugServer::new("Test Server", 0, send);
let msg = messages::RequestServerInfo::new("Test Client", server.server_spec_version + 1);
let msg_union = ButtplugMessageUnion::RequestServerInfo(msg);
task::block_on(async {
assert!(
server.send_message(&msg_union).await.is_err(),
"Client having higher version than server should fail"
);
});
}
}