use smpp_codec::pdus::{MessageState, QuerySmRequest, QuerySmResponse};
fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("=== SMPP Query SM Example ===");
let query = QuerySmRequest::new(300, "Msg12345".to_string(), "source_addr".to_string());
println!("Query Request: {:?}", query);
let mut buf = Vec::new();
query.encode(&mut buf)?;
println!("Encoded {} bytes", buf.len());
let resp = QuerySmResponse::new(
300,
"ESME_ROK",
"Msg12345".to_string(),
String::new(), MessageState::Delivered as u8,
0, );
println!("Query Response: {:?}", resp);
Ok(())
}