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use crate::workers::{Signal};
// use crate::workers::{debug_error,debug_message};
// use crate::workers::Debugger;
// use tokio::sync::{Notify,Mutex};
use crate::config::{LocatorMessage};
use crate::config::{MapMessage,MapGetMessage,MapAddMessage,MapRemoveMessage};
// use std::sync::Arc;
use std::collections::HashMap;
use flume::Receiver;
use flume::Sender as FlumeSender;
// use std::time::Instant;
// const ERROR:bool = true;
// const DEBUG:bool = false;
pub async fn init(
map_senders:&mut HashMap<u8,FlumeSender<MapMessage>>,
items:&mut Vec<u64>,
locator:&mut HashMap<u64,u8>,
receiver:Receiver<LocatorMessage>,
total_maps:u8
){
// println!("{:?}",items);
// let mut receiver = receiver;
let mut biggest:u64 = 1;
let mut last_map_added = 1;
let mut processing = 0;
if items.len() > 0{
biggest = items[items.len()-1].clone();
}
loop{
match receiver.recv_async().await{
Ok(m)=>{
match m{
LocatorMessage::Next(message)=>{
if items.len() ==0{
Signal::error(message.signal).await;
} else {
let item_index = items.remove(0);
processing += 1;
match locator.remove(&item_index){
Some(map_index)=>{
match map_senders.get_mut(&map_index){
Some(sender)=>{
match sender.send_async(MapMessage::Get(MapGetMessage{
index:item_index,
signal:message.signal.clone()
})).await{
Ok(_)=>{},
Err(_)=>{
Signal::error(message.signal).await;
}
}
},
None=>{
Signal::error(message.signal).await;
}
}
},
None=>{
Signal::error(message.signal).await;
}
}
}
},
LocatorMessage::Add(message)=>{
//find next biggest index
if items.len() == 0 && processing == 0{biggest = 1;} else {biggest += 1;}
if last_map_added == total_maps{last_map_added = 1;} else {last_map_added += 1;}
locator.insert(biggest.clone(),last_map_added.clone());
items.push(biggest);
// println!("biggest : {:?}",biggest);
// println!("processing : {:?}",processing);
match map_senders.get_mut(&last_map_added){
Some(sender)=>{
match sender.send_async(MapMessage::Add(MapAddMessage{
index:biggest,
value:message.value,
signal:message.signal.clone()
})).await{
Ok(_)=>{
// debug_message("sent_message-add-locator", DEBUG);
},
Err(_)=>{
// debug_error("failed-send_map_message-add-locator", ERROR);
Signal::error(message.signal).await;
}
}
},
None=>{
// debug_error("failed-get_mut_locator-add-locator", ERROR);
Signal::error(message.signal).await;
}
}
},
LocatorMessage::Remove(message)=>{
match map_senders.get_mut(&message.pointer.map_index){
Some(sender)=>{
match sender.send_async(MapMessage::Remove(MapRemoveMessage{
pointer:message.pointer,
signal:message.signal.clone()
})).await{
Ok(_)=>{if processing > 0{processing -= 1;}},
Err(_)=>{
Signal::error(message.signal).await;
}
}
},
None=>{
Signal::error(message.signal).await;
}
}
}
LocatorMessage::Reset(message)=>{
items.push(message.pointer.item_index.clone());
locator.insert(
message.pointer.item_index.clone(),
message.pointer.map_index.clone()
);
if processing > 0{processing -= 1;}
Signal::ok(message.signal).await;
}
}
},
Err(_e)=>{
println!("!!! failed-locator-receive : {:?}",_e);
// debug_error("failed-receive_message-disk.rs",ERROR);
break;
}
}
}
// panic!("locator crashed");
}