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json api cli working

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This commit is contained in:
John Smith 2023-06-09 19:08:49 -04:00
parent 419bfcd8ce
commit 532bcf2e2a
5 changed files with 254 additions and 257 deletions
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164
veilid-cli/src/client_api_connection.rs
View File

@ -1,6 +1,5 @@
use crate::command_processor::*;
use crate::tools::*;
use core::str::FromStr;
use futures::stream::FuturesUnordered;
use futures::StreamExt;
use std::net::SocketAddr;
@ -23,7 +22,6 @@ struct ClientApiConnectionInner {
comproc: CommandProcessor,
connect_addr: Option<SocketAddr>,
request_sender: Option<flume::Sender<String>>,
server_settings: Option<String>,
disconnector: Option<StopSource>,
disconnect_requested: bool,
reply_channels: HashMap<u32, flume::Sender<json::JsonValue>>,
@ -42,7 +40,6 @@ impl ClientApiConnection {
comproc,
connect_addr: None,
request_sender: None,
server_settings: None,
disconnector: None,
disconnect_requested: false,
reply_channels: HashMap::new(),
@ -56,28 +53,19 @@ impl ClientApiConnection {
inner.reply_channels.clear();
}
// async fn process_veilid_state<'a>(
// &'a mut self,
// veilid_state: VeilidState,
// ) -> Result<(), String> {
// let mut inner = self.inner.borrow_mut();
// inner.comproc.update_attachment(veilid_state.attachment);
// inner.comproc.update_network_status(veilid_state.network);
// inner.comproc.update_config(veilid_state.config);
// Ok(())
// }
async fn process_veilid_state<'a>(&self, state: &json::JsonValue) {
let comproc = self.inner.lock().comproc.clone();
comproc.update_attachment(&state["attachment"]);
comproc.update_network_status(&state["network"]);
comproc.update_config(&state["config"]);
}
async fn process_response(&self, response: json::JsonValue) {
// find the operation id and send the response to the channel for it
let Some(id_str) = response["id"].as_str() else {
error!("missing id: {}", response);
return;
};
let Ok(id) = u32::from_str(id_str) else {
let Some(id) = response["id"].as_u32() else {
error!("invalid id: {}", response);
return;
};
let reply_channel = {
let mut inner = self.inner.lock();
inner.reply_channels.remove(&id)
@ -92,7 +80,7 @@ impl ClientApiConnection {
}
}
async fn process_update(&self, update: json::JsonValue) {
async fn process_veilid_update(&self, update: json::JsonValue) {
let comproc = self.inner.lock().comproc.clone();
let Some(kind) = update["kind"].as_str() else {
comproc.log_message(format!("missing update kind: {}", update));
@ -100,29 +88,29 @@ impl ClientApiConnection {
};
match kind {
"Log" => {
comproc.update_log(update);
comproc.update_log(&update);
}
"AppMessage" => {
comproc.update_app_message(update);
comproc.update_app_message(&update);
}
"AppCall" => {
comproc.update_app_call(update);
comproc.update_app_call(&update);
}
"Attachment" => {
comproc.update_attachment(update);
comproc.update_attachment(&update);
}
"Network" => {
comproc.update_network_status(update);
comproc.update_network_status(&update);
}
"Config" => {
comproc.update_config(update);
comproc.update_config(&update);
}
"RouteChange" => {
comproc.update_route(update);
comproc.update_route(&update);
}
"Shutdown" => comproc.update_shutdown(),
"ValueChange" => {
comproc.update_value_change(update);
comproc.update_value_change(&update);
}
_ => {
comproc.log_message(format!("unknown update kind: {}", update));
@ -130,97 +118,6 @@ impl ClientApiConnection {
}
}
// async fn spawn_rpc_system(
// &self,
// connect_addr: SocketAddr,
// mut rpc_system: RpcSystem<rpc_twoparty_capnp::Side>,
// ) -> Result<(), String> {
// let mut request;
// {
// let mut inner = self.inner.borrow_mut();
// // Get the bootstrap server connection object
// inner.server = Some(Rc::new(RefCell::new(
// rpc_system.bootstrap(rpc_twoparty_capnp::Side::Server),
// )));
// // Store our disconnector future for later (must happen after bootstrap, contrary to documentation)
// inner.disconnector = Some(rpc_system.get_disconnector());
// // Get a client object to pass to the server for status update callbacks
// let client = capnp_rpc::new_client(VeilidClientImpl::new(inner.comproc.clone()));
// // Register our client and get a registration object back
// request = inner
// .server
// .as_ref()
// .unwrap()
// .borrow_mut()
// .register_request();
// request.get().set_veilid_client(client);
// inner
// .comproc
// .set_connection_state(ConnectionState::Connected(
// connect_addr,
// std::time::SystemTime::now(),
// ));
// }
// let rpc_jh = spawn_local(rpc_system);
// let reg_res: Result<registration::Client, String> = (async {
// // Send the request and get the state object and the registration object
// let response = request
// .send()
// .promise
// .await
// .map_err(|e| format!("failed to send register request: {}", e))?;
// let response = response
// .get()
// .map_err(|e| format!("failed to get register response: {}", e))?;
// // Get the registration object, which drops our connection when it is dropped
// let registration = response
// .get_registration()
// .map_err(|e| format!("failed to get registration object: {}", e))?;
// // Get the initial veilid state
// let veilid_state = response
// .get_state()
// .map_err(|e| format!("failed to get initial veilid state: {}", e))?;
// // Set up our state for the first time
// let veilid_state: VeilidState = deserialize_json(veilid_state)
// .map_err(|e| format!("failed to get deserialize veilid state: {}", e))?;
// self.process_veilid_state(veilid_state).await?;
// // Save server settings
// let server_settings = response
// .get_settings()
// .map_err(|e| format!("failed to get initial veilid server settings: {}", e))?
// .to_owned();
// self.inner.borrow_mut().server_settings = Some(server_settings.clone());
// // Don't drop the registration, doing so will remove the client
// // object mapping from the server which we need for the update backchannel
// Ok(registration)
// })
// .await;
// let _registration = match reg_res {
// Ok(v) => v,
// Err(e) => {
// rpc_jh.abort().await;
// return Err(e);
// }
// };
// // Wait until rpc system completion or disconnect was requested
// let res = rpc_jh.await;
// res.map_err(|e| format!("client RPC system error: {}", e))
// }
async fn handle_connection(&self, connect_addr: SocketAddr) -> Result<(), String> {
trace!("ClientApiConnection::handle_connection");
@ -251,6 +148,7 @@ impl ClientApiConnection {
// Requests to send
let (requests_tx, requests_rx) = flume::unbounded();
// Create disconnection mechanism
let stop_token = {
let stop_source = StopSource::new();
let token = stop_source.token();
@ -267,16 +165,19 @@ impl ClientApiConnection {
// Process lines
let this = self.clone();
let recv_messages_future = async move {
let mut line = String::new();
while let Ok(size) = reader.read_line(&mut line).await {
let mut linebuf = String::new();
while let Ok(size) = reader.read_line(&mut linebuf).await {
// Exit on EOF
if size == 0 {
// Disconnected
break;
}
let line = linebuf.trim().to_owned();
linebuf.clear();
// Unmarshal json
let j = match json::parse(line.trim()) {
let j = match json::parse(&line) {
Ok(v) => v,
Err(e) => {
error!("failed to parse server response: {}", e);
@ -285,7 +186,7 @@ impl ClientApiConnection {
};
if j["type"] == "Update" {
this.process_update(j).await;
this.process_veilid_update(j).await;
} else if j["type"] == "Response" {
this.process_response(j).await;
}
@ -306,13 +207,28 @@ impl ClientApiConnection {
};
unord.push(system_boxed(send_requests_future));
// Request initial server state
let capi = self.clone();
spawn_detached_local(async move {
let mut req = json::JsonValue::new_object();
req["op"] = "GetState".into();
let Some(resp) = capi.perform_request(req).await else {
error!("failed to get state");
return;
};
if resp.has_key("error") {
error!("failed to get state: {}", resp["error"]);
return;
}
capi.process_veilid_state(&resp["value"]).await;
});
// Send and receive until we're done or a stop is requested
while let Ok(Some(())) = unord.next().timeout_at(stop_token.clone()).await {}
// // Drop the server and disconnector too (if we still have it)
let mut inner = self.inner.lock();
let disconnect_requested = inner.disconnect_requested;
inner.server_settings = None;
inner.request_sender = None;
inner.disconnector = None;
inner.disconnect_requested = false;

16
veilid-cli/src/command_processor.rs
View File

@ -387,7 +387,7 @@ reply - reply to an AppCall not handled directly by the server
self.inner().ui_sender.add_node_event(message);
}
pub fn update_attachment(&self, attachment: json::JsonValue) {
pub fn update_attachment(&self, attachment: &json::JsonValue) {
self.inner_mut().ui_sender.set_attachment_state(
attachment["state"].as_str().unwrap_or_default().to_owned(),
attachment["public_internet_ready"]
@ -399,7 +399,7 @@ reply - reply to an AppCall not handled directly by the server
);
}
pub fn update_network_status(&self, network: json::JsonValue) {
pub fn update_network_status(&self, network: &json::JsonValue) {
self.inner_mut().ui_sender.set_network_status(
network["started"].as_bool().unwrap_or_default(),
json_str_u64(&network["bps_down"]),
@ -410,10 +410,10 @@ reply - reply to an AppCall not handled directly by the server
.collect::<Vec<json::JsonValue>>(),
);
}
pub fn update_config(&self, config: json::JsonValue) {
pub fn update_config(&self, config: &json::JsonValue) {
self.inner_mut().ui_sender.set_config(&config["config"])
}
pub fn update_route(&self, route: json::JsonValue) {
pub fn update_route(&self, route: &json::JsonValue) {
let mut out = String::new();
if route["dead_routes"].len() != 0 {
out.push_str(&format!("Dead routes: {:?}", route["dead_routes"]));
@ -431,12 +431,12 @@ reply - reply to an AppCall not handled directly by the server
self.inner().ui_sender.add_node_event(out);
}
}
pub fn update_value_change(&self, value_change: json::JsonValue) {
pub fn update_value_change(&self, value_change: &json::JsonValue) {
let out = format!("Value change: {:?}", value_change.as_str().unwrap_or("???"));
self.inner().ui_sender.add_node_event(out);
}
pub fn update_log(&self, log: json::JsonValue) {
pub fn update_log(&self, log: &json::JsonValue) {
self.inner().ui_sender.add_node_event(format!(
"{}: {}{}",
log["log_level"].as_str().unwrap_or("???"),
@ -449,7 +449,7 @@ reply - reply to an AppCall not handled directly by the server
));
}
pub fn update_app_message(&self, msg: json::JsonValue) {
pub fn update_app_message(&self, msg: &json::JsonValue) {
let message = json_str_vec_u8(&msg["message"]);
// check is message body is ascii printable
@ -471,7 +471,7 @@ reply - reply to an AppCall not handled directly by the server
.add_node_event(format!("AppMessage ({:?}): {}", msg["sender"], strmsg));
}
pub fn update_app_call(&self, call: json::JsonValue) {
pub fn update_app_call(&self, call: &json::JsonValue) {
let message = json_str_vec_u8(&call["message"]);
// check is message body is ascii printable

26
veilid-core/src/veilid_api/types/veilid_log.rs
View File

@ -64,19 +64,33 @@ impl VeilidLogLevel {
}
}
impl FromStr for VeilidLogLevel {
type Err = VeilidAPIError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s {
"Error" => Self::Error,
"Warn" => Self::Warn,
"Info" => Self::Info,
"Debug" => Self::Debug,
"Trace" => Self::Trace,
_ => {
apibail_invalid_argument!("Can't convert str", "s", s);
}
})
}
}
impl fmt::Display for VeilidLogLevel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
let text = match self {
Self::Error => "ERROR",
Self::Warn => "WARN",
Self::Info => "INFO",
Self::Debug => "DEBUG",
Self::Trace => "TRACE",
Self::Error => "Error",
Self::Warn => "Warn",
Self::Info => "Info",
Self::Debug => "Debug",
Self::Trace => "Trace",
};
write!(f, "{}", text)
}
}
/// A VeilidCore log message with optional backtrace
#[derive(
Debug,

29
veilid-core/src/veilid_config.rs
View File

@ -545,6 +545,35 @@ impl Default for VeilidConfigLogLevel {
Self::Off
}
}
impl FromStr for VeilidConfigLogLevel {
type Err = VeilidAPIError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s {
"Off" => Self::Off,
"Error" => Self::Error,
"Warn" => Self::Warn,
"Info" => Self::Info,
"Debug" => Self::Debug,
"Trace" => Self::Trace,
_ => {
apibail_invalid_argument!("Can't convert str", "s", s);
}
})
}
}
impl fmt::Display for VeilidConfigLogLevel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
let text = match self {
Self::Off => "Off",
Self::Error => "Error",
Self::Warn => "Warn",
Self::Info => "Info",
Self::Debug => "Debug",
Self::Trace => "Trace",
};
write!(f, "{}", text)
}
}
#[derive(
Default,

276
veilid-server/src/client_api.rs
View File

@ -3,14 +3,14 @@ use crate::tools::*;
use crate::veilid_logs::VeilidLogs;
use cfg_if::*;
use futures_util::{future::try_join_all, stream::FuturesUnordered, StreamExt};
use parking_lot::Mutex;
use std::collections::HashMap;
use std::net::SocketAddr;
use std::sync::Arc;
use stop_token::future::FutureExt;
use stop_token::future::FutureExt as _;
use stop_token::*;
use tracing::*;
use veilid_core::json_api::JsonRequestProcessor;
use veilid_core::tools::*;
use veilid_core::*;
use wg::AsyncWaitGroup;
@ -24,34 +24,18 @@ cfg_if! {
use tokio::io::AsyncWriteExt;
}
}
// struct VeilidServerImpl {
// veilid_api: veilid_core::VeilidAPI,
// veilid_logs: VeilidLogs,
// settings: Settings,
// next_id: u64,
// }
// impl VeilidServerImpl {
// #[instrument(level = "trace", skip_all)]
// pub fn new(
// veilid_api: veilid_core::VeilidAPI,
// veilid_logs: VeilidLogs,
// settings: Settings,
// ) -> Self {
// Self {
// next_id: 0,
// veilid_api,
// veilid_logs,
// settings,
// }
// }
// }
// --- Client API Server-Side ---------------------------------
type ClientApiAllFuturesJoinHandle = MustJoinHandle<std::io::Result<Vec<()>>>;
struct RequestLine {
// Request to process
line: String,
// Where to send the response
responses_tx: flume::Sender<String>,
}
struct ClientApiInner {
veilid_api: veilid_core::VeilidAPI,
veilid_logs: VeilidLogs,
@ -177,7 +161,7 @@ impl ClientApi {
if args.len() != 3 {
apibail_generic!("wrong number of arguments");
}
let log_level: VeilidConfigLogLevel = deserialize_json(&args[2])?;
let log_level = VeilidConfigLogLevel::from_str(&args[2])?;
self.change_log_level(args[1].clone(), log_level)?;
Ok("".to_owned())
} else if args[0] == "GetServerSettings" {
@ -212,6 +196,107 @@ impl ClientApi {
}
}
async fn process_request_line(
self,
jrp: JsonRequestProcessor,
request_line: RequestLine,
) -> VeilidAPIResult<Option<RequestLine>> {
let line = request_line.line;
let responses_tx = request_line.responses_tx;
// Unmarshal NDJSON - newline => json
// (trim all whitespace around input lines just to make things more permissive for API users)
let request: json_api::Request = deserialize_json(&line)?;
// See if this is a control message or a veilid-core message
let response = if let json_api::RequestOp::Control { args } = request.op {
// Process control messages
json_api::Response {
id: request.id,
op: json_api::ResponseOp::Control {
result: json_api::to_json_api_result(self.process_control(args).await),
},
}
} else {
// Process with ndjson api
jrp.clone().process_request(request).await
};
// Marshal json + newline => NDJSON
let response_string = serialize_json(json_api::RecvMessage::Response(response)) + "\n";
if let Err(e) = responses_tx.send_async(response_string).await {
warn!("response not sent: {}", e)
}
VeilidAPIResult::Ok(None)
}
async fn next_request_line(
requests_rx: flume::Receiver<Option<RequestLine>>,
) -> VeilidAPIResult<Option<RequestLine>> {
Ok(requests_rx.recv_async().await.ok().flatten())
}
async fn receive_requests<R: AsyncBufReadExt + Unpin>(
self,
conn_tuple: (SocketAddr, SocketAddr),
mut reader: R,
requests_tx: flume::Sender<Option<RequestLine>>,
responses_tx: flume::Sender<String>,
) -> VeilidAPIResult<Option<RequestLine>> {
// responses_tx becomes owned by recv_requests_future
// Start sending updates
self.inner
.lock()
.update_channels
.insert(conn_tuple, responses_tx.clone());
let mut linebuf = String::new();
while let Ok(size) = reader.read_line(&mut linebuf).await {
// Eof?
if size == 0 {
break;
}
// Put the processing in the async queue
let line = linebuf.trim().to_owned();
linebuf.clear();
// Ignore newlines
if line.len() == 0 {
continue;
}
// Enqueue the line for processing in parallel
let request_line = RequestLine {
line,
responses_tx: responses_tx.clone(),
};
if let Err(e) = requests_tx.send_async(Some(request_line)).await {
error!("failed to enqueue request: {}", e);
break;
}
}
// Stop sending updates
// Will cause send_responses_future to stop because we drop the responses_tx
self.inner.lock().update_channels.remove(&conn_tuple);
VeilidAPIResult::Ok(None)
}
async fn send_responses<W: AsyncWriteExt + Unpin>(
self,
responses_rx: flume::Receiver<String>,
mut writer: W,
) -> VeilidAPIResult<Option<RequestLine>> {
while let Ok(resp) = responses_rx.recv_async().await {
if let Err(e) = writer.write_all(resp.as_bytes()).await {
error!("failed to write response: {}", e)
}
}
VeilidAPIResult::Ok(None)
}
pub async fn handle_connection(self, stream: TcpStream, awg: AsyncWaitGroup) {
// Get address of peer
let peer_addr = match stream.peer_addr() {
@ -246,10 +331,10 @@ impl ClientApi {
if #[cfg(feature="rt-async-std")] {
use futures_util::AsyncReadExt;
let (reader, mut writer) = stream.split();
let mut reader = BufReader::new(reader);
let reader = BufReader::new(reader);
} else if #[cfg(feature="rt-tokio")] {
let (reader, mut writer) = stream.into_split();
let mut reader = BufReader::new(reader);
let (reader, writer) = stream.into_split();
let reader = BufReader::new(reader);
}
}
@ -259,105 +344,58 @@ impl ClientApi {
// Futures to process unordered
let mut unord = FuturesUnordered::new();
let (more_futures_tx, more_futures_rx) = flume::unbounded();
// Output to serialize
// Requests and responses are done serially to the socket
// but the requests are processed in parallel by the FuturesUnordered
let (requests_tx, requests_rx) = flume::unbounded();
let (responses_tx, responses_rx) = flume::unbounded();
// Request receive processor
let this = self.clone();
let recv_requests_future = async move {
// Start sending updates
this.inner
.lock()
.update_channels
.insert(conn_tuple, responses_tx.clone());
let mut line = String::new();
while let Ok(size) = reader.read_line(&mut line).await {
// Eof?
if size == 0 {
break;
}
// Put the processing in the async queue
let jrp = jrp.clone();
let line = line.trim().to_owned();
// Ignore newlines
if line.len() == 0 {
continue;
}
let responses_tx = responses_tx.clone();
let this2 = this.clone();
let process_request = async move {
// Unmarshal NDJSON - newline => json
// (trim all whitespace around input lines just to make things more permissive for API users)
let request: json_api::Request = deserialize_json(&line)?;
// See if this is a control message or a veilid-core message
let response = if let json_api::RequestOp::Control { args } = request.op {
// Process control messages
json_api::Response {
id: request.id,
op: json_api::ResponseOp::Control {
result: json_api::to_json_api_result(
this2.process_control(args).await,
),
},
}
} else {
// Process with ndjson api
jrp.clone().process_request(request).await
};
// Marshal json + newline => NDJSON
let response_string =
serialize_json(json_api::RecvMessage::Response(response)) + "\n";
if let Err(e) = responses_tx.send_async(response_string).await {
warn!("response not sent: {}", e)
}
VeilidAPIResult::Ok(())
};
if let Err(e) = more_futures_tx
.send_async(system_boxed(process_request))
.await
{
warn!("request dropped: {}", e)
}
}
// Stop sending updates
// Will cause send_responses_future to stop because we drop the responses_tx
this.inner.lock().update_channels.remove(&conn_tuple);
VeilidAPIResult::Ok(())
};
unord.push(system_boxed(recv_requests_future));
// Request receive processor future
// Receives from socket and enqueues RequestLines
// Completes when the connection is closed or there is a failure
unord.push(system_boxed(self.clone().receive_requests(
conn_tuple,
reader,
requests_tx,
responses_tx,
)));
// Response send processor
let send_responses_future = async move {
while let Ok(resp) = responses_rx.recv_async().await {
if let Err(e) = writer.write_all(resp.as_bytes()).await {
error!("failed to write response: {}", e)
}
}
VeilidAPIResult::Ok(())
};
unord.push(system_boxed(send_responses_future));
// Sends finished response strings out the socket
// Completes when the responses channel is closed
unord.push(system_boxed(
self.clone().send_responses(responses_rx, writer),
));
// Add future to process first request
unord.push(system_boxed(Self::next_request_line(requests_rx.clone())));
// Send and receive until we're done or a stop is requested
while let Ok(Some(r)) = unord.next().timeout_at(stop_token.clone()).await {
match r {
Ok(()) => {}
Err(e) => {
warn!("JSON API Failure: {}", e);
// See if we got some work to do
let request_line = match r {
Ok(Some(request_line)) => {
// Add future to process next request
unord.push(system_boxed(Self::next_request_line(requests_rx.clone())));
// Socket receive future returned something to process
request_line
}
}
// Add more futures if we had one that completed
// Allows processing requests in an async fashion
for fut in more_futures_rx.drain() {
unord.push(fut);
}
Ok(None) => {
// Non-request future finished
continue;
}
Err(e) => {
// Connection processing failure, abort
error!("Connection processing failure: {}", e);
break;
}
};
// Enqueue unordered future to process request line in parallel
unord.push(system_boxed(
self.clone().process_request_line(jrp.clone(), request_line),
));
}
debug!(