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use std::io::{BufRead, Write};
use crate::context::{ActionContext, RunMode};
use crate::types::App;
impl App {
pub fn run_persistent(&self) {
let caps = self.build_capabilities_json();
let hello_msg = format!(
"hello\x1F{}\x1F{}\x1F{}\n",
self.name,
self.version,
serde_json::to_string(&caps).unwrap()
);
std::io::stdout().write_all(hello_msg.as_bytes()).unwrap();
std::io::stdout().flush().unwrap();
let stdin = std::io::stdin();
let mut reader = std::io::BufReader::new(stdin.lock());
loop {
let mut line = String::new();
match reader.read_line(&mut line) {
Ok(0) => break,
Ok(_) => {}
Err(_) => break,
}
let line = line.trim_end_matches('\n').trim_end_matches('\r');
if line.is_empty() {
continue;
}
if line == "shutdown" {
println!("bye");
std::io::stdout().flush().unwrap();
break;
}
let parts: Vec<&str> = line.split('\x1F').collect();
if parts.is_empty() {
continue;
}
let msg_type = parts[0];
match msg_type {
"call" => {
let domain_name = parts.get(1).unwrap_or(&"");
let action_name = parts.get(2).unwrap_or(&"");
let payload_str = parts.get(3).unwrap_or(&"{}");
let payload: serde_json::Value =
serde_json::from_str(payload_str).unwrap_or(serde_json::Value::Null);
let mut found = false;
for domain in &self.domains {
if domain.name != *domain_name {
continue;
}
for action in &domain.actions {
if action.name != *action_name {
continue;
}
found = true;
let ctx = ActionContext {
domain: domain.name.clone(),
action: action.name.clone(),
mode: RunMode::Persistent,
};
match (action.handler)(payload.clone(), &ctx) {
Ok(result) => {
let resp = format!(
"ok\x1F{}\x1F{}\x1F{}\n",
domain.name,
action.name,
serde_json::to_string(&result).unwrap()
);
std::io::stdout()
.write_all(resp.as_bytes())
.unwrap();
std::io::stdout().flush().unwrap();
}
Err(e) => {
let err_obj = serde_json::json!({
"错误码": "HANDLER_ERROR",
"错误信息": format!("{}", e)
});
let resp = format!(
"error\x1F{}\x1F{}\x1F{}\n",
domain.name,
action.name,
serde_json::to_string(&err_obj).unwrap()
);
std::io::stdout()
.write_all(resp.as_bytes())
.unwrap();
std::io::stdout().flush().unwrap();
}
}
break;
}
if found {
break;
}
}
if !found {
let resp = format!(
"error\x1F{}\x1F{}\x1F{}\n",
domain_name,
action_name,
serde_json::to_string(&serde_json::json!({
"错误码": "NOT_FOUND",
"错误信息": format!("action not found: {} / {}", domain_name, action_name)
}))
.unwrap()
);
std::io::stdout().write_all(resp.as_bytes()).unwrap();
std::io::stdout().flush().unwrap();
}
}
_ => {
let resp = format!(
"error\x1F\x1F\x1F{}\n",
serde_json::to_string(&serde_json::json!({
"错误码": "UNKNOWN_MESSAGE",
"错误信息": format!("unknown message type: {}", msg_type)
}))
.unwrap()
);
std::io::stdout().write_all(resp.as_bytes()).unwrap();
std::io::stdout().flush().unwrap();
}
}
}
}
}