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use async_trait::async_trait;
use rmqtt::{
context::ServerContext,
grpc::{Message as GrpcMessage, MessageReply as GrpcMessageReply, MessageType},
hook::{Handler, HookResult, Parameter, ReturnType},
};
use super::{
clients, plugin, subs,
types::{Message, MessageReply},
};
pub(crate) struct HookHandler {
scx: ServerContext,
pub message_type: MessageType,
}
impl HookHandler {
pub(crate) fn new(scx: ServerContext, message_type: MessageType) -> Self {
Self { scx, message_type }
}
}
#[async_trait]
impl Handler for HookHandler {
async fn hook(&self, param: &Parameter, acc: Option<HookResult>) -> ReturnType {
match param {
Parameter::GrpcMessageReceived(typ, msg) => {
log::debug!("GrpcMessageReceived, type: {typ}, msg: {msg:?}");
if self.message_type != *typ {
return (true, acc);
}
match msg {
GrpcMessage::Data(data) => {
let new_acc = match Message::decode(data) {
Err(e) => {
log::error!("Message::decode, error: {e:?}");
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(e.to_string())))
}
Ok(Message::BrokerInfo) => {
let broker_info = self.scx.node.broker_info(&self.scx).await;
match MessageReply::BrokerInfo(broker_info).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::NodeInfo) => {
let node_info = self.scx.node.node_info(&self.scx).await;
match MessageReply::NodeInfo(node_info).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::NodeHealthStatus) => {
let health_status =
self.scx.extends.shared.read().await.health_status().await;
match health_status {
Ok(health_status) => {
match MessageReply::NodeHealthStatus(health_status).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(
GrpcMessageReply::Error(e.to_string()),
)),
}
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::StatsInfo) => {
let node_status = self.scx.node.status(&self.scx).await;
let stats = self.scx.stats.clone(&self.scx).await;
match MessageReply::StatsInfo(node_status, Box::new(stats)).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::MetricsInfo) => {
let metrics = self.scx.metrics.clone();
match MessageReply::MetricsInfo(Box::new(metrics)).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::ClientSearch(q)) => {
match MessageReply::ClientSearch(clients::search(&self.scx, &q).await)
.encode()
{
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::ClientGet { clientid }) => {
match MessageReply::ClientGet(clients::get(&self.scx, clientid).await)
.encode()
{
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::Subscribe(params)) =>
{
#[allow(clippy::mutable_key_type)]
match subs::subscribe(&self.scx, params).await {
Ok(replys) => {
let ress = replys
.into_iter()
.map(|(t, res)| match res {
Ok(b) => (t, (b, None)),
Err(e) => (t, (false, Some(e.to_string()))),
})
.collect();
match MessageReply::Subscribe(ress).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(
GrpcMessageReply::Error(e.to_string()),
)),
}
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::Unsubscribe(params)) => {
match subs::unsubscribe(&self.scx, params).await {
Ok(()) => match MessageReply::Unsubscribe.encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::GetPlugins) => match plugin::get_plugins(&self.scx).await {
Ok(plugins) => match MessageReply::GetPlugins(plugins).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(e.to_string())))
}
},
Ok(Message::GetPlugin { name }) => {
match plugin::get_plugin(&self.scx, name).await {
Ok(plugin) => match MessageReply::GetPlugin(plugin).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::GetPluginConfig { name }) => {
match plugin::get_plugin_config(&self.scx, name).await {
Ok(cfg) => match MessageReply::GetPluginConfig(cfg).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::ReloadPluginConfig { name }) => {
match self.scx.plugins.load_config(name).await {
Ok(()) => match MessageReply::ReloadPluginConfig.encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
}
}
Ok(Message::LoadPlugin { name }) => match self.scx.plugins.start(name).await {
Ok(()) => match MessageReply::LoadPlugin.encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(e.to_string())))
}
},
Ok(Message::UnloadPlugin { name }) => match self.scx.plugins.stop(name).await {
Ok(ok) => match MessageReply::UnloadPlugin(ok).encode() {
Ok(ress) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Data(ress)))
}
Err(e) => HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(
e.to_string(),
))),
},
Err(e) => {
HookResult::GrpcMessageReply(Ok(GrpcMessageReply::Error(e.to_string())))
}
},
};
return (false, Some(new_acc));
}
_ => {
log::error!("unimplemented, {param:?}")
}
}
}
_ => {
log::error!("unimplemented, {param:?}")
}
}
(true, acc)
}
}