fix whole program

This commit is contained in:
MeexReay 2025-04-14 19:16:44 +03:00
parent 151f0bbe7e
commit 472ff20858
4 changed files with 353 additions and 29 deletions

290
Cargo.lock generated
View File

@ -2,6 +2,296 @@
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View File

@ -4,3 +4,4 @@ version = "0.1.0"
edition = "2024"
[dependencies]
chrono = "0.4.40"

View File

@ -44,6 +44,17 @@ Server sends:
*for example: if you want to read last N bytes, last_size = data_size - N*
## Sending authorized messages
Client sends:
- Byte `0x02`
- Username
- `\n`
- Password
- `\n`
- Message
## Registration users
Client sends:
@ -55,15 +66,4 @@ Client sends:
Server sends:
- `0x01` if the username is already taken
## Sending authorized messages
Client sends:
- Byte `0x02`
- Username
- `\n`
- Password
- `\n`
- Message
- `0x01` if the username is already taken

View File

@ -1,29 +1,62 @@
use std::{env::args, error::Error, io::{Read, Write}, net::{TcpListener, TcpStream}, sync::{Arc, RwLock}, thread};
use chrono::{DateTime, Local, TimeZone};
fn message_prefix(time_millis: i64, address: &str) -> String {
let datetime: DateTime<Local> = Local.timestamp_millis_opt(time_millis).unwrap();
format!(
"[{}] {{{}}}",
datetime.format("%d.%m.%Y %H:%M"),
address
)
}
fn accept_stream(mut stream: TcpStream, messages: Arc<RwLock<Vec<u8>>>) -> Result<(), Box<dyn Error>> {
let mut buf = vec![0; 4096];
let size = stream.read(&mut buf)?;
buf.truncate(size);
let mut buf = vec![0];
stream.read_exact(&mut buf)?;
if buf[0] == 0x01 && size == 1 {
stream.write_all(messages.read().unwrap().len().to_string().as_bytes())?;
if buf[0] == 0x00 {
let messages = messages.read().unwrap().clone();
let mut buf = vec![0, 16];
stream.write_all(messages.len().to_string().as_bytes())?;
let mut id = vec![0];
stream.read_exact(&mut id)?;
if id[0] == 0x01 {
stream.write_all(&messages)?;
} else if id[0] == 0x02 {
let mut buf = vec![0; 10];
let size = stream.read(&mut buf)?;
buf.truncate(size);
let len: usize = String::from_utf8(buf)?.parse()?;
stream.write_all(&messages[len..])?;
}
} else if buf[0] == 0x01 {
let mut buf = vec![0; 4096];
let size = stream.read(&mut buf)?;
buf.truncate(size);
if buf[0] == 0x01 {
stream.write_all(&messages.read().unwrap())?;
} else if buf[0] == 0x02 {
let len: usize = String::from_utf8(buf[1..].to_vec())?.parse()?;
stream.write_all(&messages.read().unwrap().clone()[len..])?;
}
} else if buf[0] == 0x01 {
messages.write().unwrap().append(&mut buf[1..].to_vec());
} else if buf[0] == 0x02 {
} else if buf[0] == 0x03 {
let mut msg = Vec::new();
msg.append(&mut message_prefix(
Local::now().timestamp_millis(),
&stream.peer_addr()?.ip().to_string()).as_bytes().to_vec()
);
msg.push(b' ');
msg.append(&mut buf);
println!("{}", String::from_utf8_lossy(&msg));
msg.push(b'\n');
messages.write().unwrap().append(&mut msg.clone());
} else if buf[0] == 0x02 {
// sending authorized messages
} else if buf[0] == 0x03 {
// user registration
}
Ok(())