Sockets 套接字的Rust结构字段可变
我试着从Rust开始,试着把一些片段放在一起,创建一个“服务器”实例,其中包含一个“客户机”向量,每个客户机都有一个套接字 我知道在Rust中,套接字或TcpStream需要是可变的,并且我需要借用引用,以便在我的主循环中保留客户机实例化后的范围 但我面临的问题是,我的TcpStream字段在客户端结构中可能不可变。所以我不确定我的方法是否正确,但我尝试使用life参数life参数来解决这个问题 有人能帮我解决这个问题吗,或者告诉我解决这个问题/解决方案的正确方法吗 谢谢Sockets 套接字的Rust结构字段可变,sockets,rust,Sockets,Rust,我试着从Rust开始,试着把一些片段放在一起,创建一个“服务器”实例,其中包含一个“客户机”向量,每个客户机都有一个套接字 我知道在Rust中,套接字或TcpStream需要是可变的,并且我需要借用引用,以便在我的主循环中保留客户机实例化后的范围 但我面临的问题是,我的TcpStream字段在客户端结构中可能不可变。所以我不确定我的方法是否正确,但我尝试使用life参数life参数来解决这个问题 有人能帮我解决这个问题吗,或者告诉我解决这个问题/解决方案的正确方法吗 谢谢 use std::ne
use std::net::*;
use std::io::Write;
use std::thread;
use std::time::Duration;
struct Client<'a> {
socket: &'a mut TcpStream,
addr: SocketAddr
}
struct Server {
clients: Vec<Box<Client>>
}
impl Server {
pub fn new() -> Server {
Server{clients: Vec::new()}
}
fn write(&self, stream: &mut TcpStream) {
let mut counter: u32 = 0;
counter += 1;
stream.write(counter.to_string().as_bytes()).unwrap();
thread::sleep(Duration::from_secs(1));
}
fn client_thread(&self, client: &mut Client) {
self.write(&mut client.socket);
}
fn add_client(&self, socket: &mut TcpStream, addr: SocketAddr) {
let mut client = Client {
socket: socket,
addr: addr
};
self.clients.push(Box::new(client));
self.client_thread(&mut client);
}
pub fn server_loop(&self) {
let listener = TcpListener::bind("127.0.0.1:5001").unwrap();
loop {
match listener.accept() {
Ok((mut socket, addr)) => {
println!("new client: {:?}", addr);
thread::spawn(move || loop {
self.add_client(&mut socket, addr);
});
},
Err(e) => println!("couldn't get client: {:?}", e),
}
}
}
}
fn main() {
let mut server = Server::new();
server.server_loop();
}
我现在能够解决整个问题:
use std::net::*;
use std::io::Write;
use std::thread;
struct Client {
socket: TcpStream,
}
impl Client {
pub fn write(&mut self) {
let counter: u32 = 0;
self.socket.write(counter.to_string().as_bytes()).unwrap();
}
}
struct ClientThread {
inner: Client,
}
impl ClientThread {
pub fn client_loop(&mut self) {
let client = &mut self.inner;
client.write();
}
}
struct Server {
_clients: Vec<Box<Client>>,
}
impl Server {
fn new() -> Server {
Server { _clients: vec![] }
}
fn add_client(&mut self, s: TcpStream) {
let client = Client { socket: s };
println!("New client: {}", client.socket.peer_addr().unwrap());
self._clients.push(Box::new(client));
let mut client_thread = ClientThread { inner: client };
thread::spawn(move || loop {
client_thread.client_loop();
});
}
pub fn server_loop(&mut self) {
let listener = TcpListener::bind("127.0.0.1:5001").unwrap();
loop {
match listener.accept() {
Ok((socket, _addr)) => {
self.add_client(socket);
}
Err(e) => println!("Couldn't get client: {}", e),
}
}
}
}
fn main() {
let mut server = Server::new();
server.server_loop();
}
使用std::net::*;
使用std::io::Write;
使用std::线程;
结构客户端{
插座:TcpStream,
}
impl客户端{
发布fn写入(&M自我){
let计数器:u32=0;
self.socket.write(counter.to_string().as_bytes()).unwrap();
}
}
结构客户端线程{
内部:客户,
}
impl客户端线程{
发布fn客户端循环(&mut self){
让客户端=&mut self.inner;
client.write();
}
}
结构服务器{
_客户:Vec,
}
impl服务器{
fn new()->Server{
服务器{u客户端:vec![]}
}
fn添加\u客户端(多个自身,s:TcpStream){
让client=client{socket:s};
println!(“新客户端:{}”,client.socket.peer_addr().unwrap());
self._clients.push(Box::new(client));
让mut client_thread=ClientThread{inner:client};
线程::生成(移动| |循环{
client_thread.client_loop();
});
}
发布fn服务器\u循环(&mut self){
让listener=TcpListener::bind(“127.0.0.1:5001”).unwrap();
环路{
匹配侦听器。接受(){
正常((套接字,地址))=>{
self.add_客户端(socket);
}
Err(e)=>println!(“无法获取客户端:{}”,e),
}
}
}
}
fn main(){
让mut server=server::new();
server.server_loop();
}
请详细说明您的问题。一个好的代码通常包含从编译器中逐字复制的错误消息。例如:您在移动某个对象后获取对该对象的引用,您尝试将对局部变量的引用传递给线程,您可能希望在这些地方使用&mut self
而不是&self
,等等。。你读过吗?强烈推荐。我尝试使用生存期参数Hi@E_net4解决此问题,很抱歉没有提供更好的详细信息,现在将添加错误消息。Hi@Shepmaster,非常感谢您对阅读的建议,我将立即阅读。你说的关于使用的话真的很有道理,我会努力改进。但在此期间,您能帮助我解决上述错误吗?使用包含客户机的Vec的结构时?不要使用\uu
启动标识符,除非它们未使用。这不是C++,您必须避免成员变量和方法之间的名称冲突。
use std::net::*;
use std::io::Write;
use std::thread;
struct Client {
socket: TcpStream
}
struct Server {
clients: Vec<Box<Client>>
}
impl Server {
fn new() -> Server {
Server{clients: vec![]}
}
fn write(&mut self, stream: &mut TcpStream) {
let mut counter: u32 = 0;
stream.write(counter.to_string().as_bytes()).unwrap();
}
fn client_loop(&mut self, client: &mut Client) {
loop {
self.write(&mut client.socket);
}
}
fn add_client(&mut self, s: TcpStream) {
let mut client = Client{
socket: s
};
self.clients.push(Box::new(client));
println!("New client: {}", client.socket.peer_addr().unwrap());
thread::spawn(move || {
self.client_loop(&mut client);
});
}
pub fn server_loop(&mut self) {
let listener = TcpListener::bind("127.0.0.1:5001").unwrap();
loop {
match listener.accept() {
Ok((socket, _addr)) => {
self.add_client(socket);
},
Err(e) => println!("Couldn't get client: {}", e),
}
}
}
}
fn main() {
let mut server = Server::new();
server.server_loop();
}
--> src/main.rs:38:9
|
38 | thread::spawn(move || {
| ^^^^^^^^^^^^^
|
= note: type must satisfy the static lifetime
use std::net::*;
use std::io::Write;
use std::thread;
struct Client {
socket: TcpStream,
}
impl Client {
pub fn write(&mut self) {
let counter: u32 = 0;
self.socket.write(counter.to_string().as_bytes()).unwrap();
}
}
struct ClientThread {
inner: Client,
}
impl ClientThread {
pub fn client_loop(&mut self) {
let client = &mut self.inner;
client.write();
}
}
struct Server {
_clients: Vec<Box<Client>>,
}
impl Server {
fn new() -> Server {
Server { _clients: vec![] }
}
fn add_client(&mut self, s: TcpStream) {
let client = Client { socket: s };
println!("New client: {}", client.socket.peer_addr().unwrap());
self._clients.push(Box::new(client));
let mut client_thread = ClientThread { inner: client };
thread::spawn(move || loop {
client_thread.client_loop();
});
}
pub fn server_loop(&mut self) {
let listener = TcpListener::bind("127.0.0.1:5001").unwrap();
loop {
match listener.accept() {
Ok((socket, _addr)) => {
self.add_client(socket);
}
Err(e) => println!("Couldn't get client: {}", e),
}
}
}
}
fn main() {
let mut server = Server::new();
server.server_loop();
}