准备发送online-user-list

src/client.rs

 use crate::config::config::STATIC_WS_PWD;
+use crate::handles::close_connection::handle_connection_error;
 use crate::handles::handle_messages::handle_other_message;
-use crate::handles::heartbeat::handle_heartbeat;
+use crate::handles::handshake::handle_handshake;
+use crate::handles::heartbeat::{handle_heartbeat, heart_resp};
+use crate::handles::redis::{insert_this_connection, remove_this_connection};
 use crate::typing::used_typed::{Connection, ConnectionMap, TaskMap};
-use crate::utils::json_utils::{make_common_resp, parse_message};
+use crate::utils::json_utils::parse_message;
 use futures::{SinkExt, StreamExt};
 use lazy_static::lazy_static;
 use std::collections::HashMap;
-use std::sync::{Arc, Mutex};
+use std::sync::{Arc, RwLock};
 use std::time::{Duration, Instant};
-use tokio::sync::Mutex as AsyncMutex;
+use tokio::sync::RwLock as AsyncRwLock;
 use tokio::time;
 use tokio_tungstenite::accept_hdr_async;
 use tungstenite::handshake::server::{Request, Response};
 use tungstenite::{Error, Message};
-use crate::handles::close_connection::handle_connection_error;
-use crate::handles::handshake::handle_handshake;
-use crate::handles::redis::{insert_this_connection, remove_this_connection};
 
 lazy_static! {
-    static ref CONNECTIONS: ConnectionMap = Arc::new(AsyncMutex::new(HashMap::new()));
-    static ref TASKS: TaskMap = Arc::new(Mutex::new(HashMap::new()));
+    pub static ref CONNECTIONS: ConnectionMap = Arc::new(AsyncRwLock::new(HashMap::new()));
+    static ref TASKS: TaskMap = Arc::new(RwLock::new(HashMap::new()));
+}
+lazy_static! {
+    pub static ref ONLINE_USERS: Arc<AsyncRwLock<HashMap<String, String>>> = Arc::new(AsyncRwLock::new(HashMap::new()));
 }
 
 // 关闭之前绑定的 WebSocket 连接并取消对应的任务
 async fn close_existing_connection(from_id: &str) {
     let task_to_abort = {
-        let mut tasks = TASKS.lock().unwrap();
+        let mut tasks = TASKS.write().unwrap();
         tasks.remove(from_id)
     };
 
@@ -34,7 +37,7 @@ async fn close_existing_connection(from_id: &str) {
     }
 
     let old_connection = {
-        let mut connections = CONNECTIONS.lock().await;
+        let mut connections = CONNECTIONS.write().await;
         let already_done = connections.get(&from_id.to_string());
         println!(
             "关闭之前绑定的 WebSocket 连接: {} {:?}",
@@ -57,7 +60,6 @@ async fn close_existing_connection(from_id: &str) {
     }
 }
 
-
 pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), Error> {
     let must_existed_params = ["deviceId", "fromId", "wsPwd"];
     let mut connection_params = None;
@@ -79,7 +81,7 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
             }
         }
     })
-    .await
+        .await
     {
         Ok(ws) => ws,
         Err(e) => {
@@ -100,8 +102,8 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
 
             // 将新连接添加到全局连接映射
             {
-                let mut connections = CONNECTIONS.lock().await;
-                connections.insert(from_id.clone(), Connection { sender, receiver });
+                let mut connections = CONNECTIONS.write().await;
+                connections.insert(from_id.clone(), Connection { sender, receiver, from_id: from_id.to_string() });
             }
 
             // 将该用户的信息插入到 Redis 中
@@ -113,7 +115,7 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
                 let mut last_heartbeat_time = Instant::now();
                 loop {
                     let current_connection = {
-                        let mut connections = CONNECTIONS.lock().await;
+                        let mut connections = CONNECTIONS.write().await;
                         connections.remove(&from_id_clone) // 移除连接，将其从 map 中取出
                     };
                     if let Some(connection) = current_connection {
@@ -132,7 +134,7 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
                                                         "Heart" => {
                                                             println!("收到客户端心跳消息 {:?}", &data);
                                                             handle_heartbeat(&mut last_heartbeat_time);
-                                                            if let Ok(json_str) = make_common_resp(Default::default(), "Heart") {
+                                                            if let Ok(json_str) = heart_resp(&from_id_clone) {
                                                                 if let Err(e) = sender_ref.send(Message::text(json_str)).await {
                                                                     println!("发送心跳信息失败: {}", e);
                                                                     handle_connection_error(&from_id_clone, &CONNECTIONS, &TASKS).await;
@@ -141,7 +143,7 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
                                                             }
                                                         },
                                                         _ => {
-                                                            if let Err(e) = handle_other_message(&mut sender_ref, &data).await {
+                                                            if let Err(e) = handle_other_message(&mut sender_ref, &data, &from_id_clone).await {
                                                                 println!("Failed to handle other message: {}", e);
                                                                 handle_connection_error(&from_id_clone, &CONNECTIONS, &TASKS).await;
                                                                 break;
@@ -175,12 +177,13 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
                         }
                         // 处理完一轮后，若连接还未断开，将其重新放回 CONNECTIONS
                         {
-                            let mut connections = CONNECTIONS.lock().await;
+                            let mut connections = CONNECTIONS.write().await;
                             connections.insert(
                                 from_id_clone.clone(),
                                 Connection {
                                     sender: sender_ref,
                                     receiver: receiver_ref,
+                                    from_id: from_id_clone.to_string(),
                                 },
                             );
                         }
@@ -189,9 +192,9 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
                     }
                 }
                 println!("断开与用户id: {}，连接", from_id_clone); // 使用克隆后的 from_id
-                                                                   // 从全局连接映射中移除该连接
+                // 从全局连接映射中移除该连接
                 {
-                    let mut connections = CONNECTIONS.lock().await;
+                    let mut connections = CONNECTIONS.write().await;
                     connections.remove(&from_id_clone); // 使用克隆后的 from_id
                 }
                 // 从 Redis 中移除该用户的信息
@@ -201,7 +204,7 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
             });
 
             // 将任务句柄存储到全局任务映射中
-            let mut tasks = TASKS.lock().unwrap();
+            let mut tasks = TASKS.write().unwrap();
             tasks.insert(from_id, task); // 使用原始的 from_id
         }
     } else {
@@ -209,4 +212,4 @@ pub(crate) async fn handle_client(stream: tokio::net::TcpStream) -> Result<(), E
     }
 
     Ok(())
-}
+}
\ No newline at end of file

src/handles/close_connection.rs

 use crate::handles::redis::remove_this_connection;
 use crate::typing::used_typed::{ConnectionMap, TaskMap};
+use tokio::sync::RwLockWriteGuard;
 
 pub async fn handle_connection_error(
     from_id: &str,
@@ -9,7 +10,7 @@ pub async fn handle_connection_error(
     println!("开始处理用户id: {} 的连接错误", from_id);
     // 从全局连接映射中移除该连接
     let removed = {
-        let mut connections = connections.lock().await;
+        let mut connections: RwLockWriteGuard<'_, _> = connections.write().await;
         let result = connections.remove(from_id).is_some();
         drop(connections); // 提前释放锁
         result
@@ -31,7 +32,7 @@ pub async fn handle_connection_error(
 
     // 取消对应的任务
     {
-        let mut tasks = tasks.lock().unwrap();
+        let mut tasks = tasks.write().unwrap();
         match tasks.remove(from_id) {
             Some(task) => {
                 task.abort();

src/handles/handle_messages.rs

-use crate::utils::json_utils::make_common_resp;
+use crate::typing::message_typed::ClientMessageData;
 use futures::SinkExt;
 use tungstenite::{Error, Message};
-use crate::typing::message_typed::MessageData;
-
 // 处理其他类型消息
 pub(crate) async fn handle_other_message(
     // 增加 + std::marker::Unpin 限制
     sender: &mut (impl SinkExt<Message, Error = Error> + Unpin),
-    data: &MessageData,
+    data: &ClientMessageData,
+    from_id: &str,
 ) -> Result<(), Error> {
     println!("收到客户端消息: {:?}", data);
-    if let Ok(json_str) = make_common_resp(Default::default(), "Echo") {
-        sender.send(Message::text(json_str)).await?;
-    }
+
     Ok(())
 }

src/handles/heartbeat.rs

+use crate::utils::json_utils;
+use serde::{Deserialize, Serialize};
 use std::time::Instant;
 
 pub fn handle_heartbeat(last_time: &mut Instant) {
     *last_time = Instant::now();
 }
+
+// 定义服务器心跳数据消息结构
+#[derive(Serialize, Deserialize, Debug)]
+pub struct HeartMessage {
+    #[serde(rename = "msgType")]
+    pub msg_type: String,
+    #[serde(rename = "fromId")]
+    pub from_id: String,
+    #[serde(rename = "fromName")]
+    pub from_name: String,
+    #[serde(rename = "toId")]
+    pub to_id: String,
+    #[serde(rename = "msgData")]
+    pub msg_data: String,
+    #[serde(rename = "time")]
+    pub time: u128,
+}
+
+pub fn heart_resp(to_id: &str) -> serde_json::Result<String> {
+    serde_json::to_string(&HeartMessage {
+        msg_type: "Heart".to_string(),
+        from_id: "0".to_string(),
+        from_name: "Server".to_string(),
+        msg_data: "".to_string(),
+        to_id: to_id.to_string(),
+        time: json_utils::get_current_timestamp(),
+    })
+}

src/handles/mod.rs

@@ -2,4 +2,5 @@ pub mod handle_messages;
 pub mod heartbeat;
 pub mod handshake;
 pub mod redis;
-pub mod close_connection;
\ No newline at end of file
+pub mod close_connection;
+pub mod online_users_update;
\ No newline at end of file

src/handles/online_users_update.rs

+use crate::client::{CONNECTIONS, ONLINE_USERS};
+use crate::utils::json_utils::get_current_timestamp;
+use futures::SinkExt;
+use serde::{Deserialize, Serialize};
+use std::sync::Arc;
+use tungstenite::{Error, Message};
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct OnlineUserMessage {
+    #[serde(rename = "callState")]
+    pub call_state: String,
+    #[serde(rename = "channelID")]
+    pub channel_id: String,
+    #[serde(rename = "deviceID")]
+    pub device_id: String,
+    #[serde(rename = "fromID")]
+    pub from_id: String,
+    #[serde(rename = "hasCamera")]
+    pub has_camera: String,
+    #[serde(rename = "hasMike")]
+    pub has_mike: String,
+    #[serde(rename = "isHost")]
+    pub is_host: String,
+    #[serde(rename = "userCallGroup")]
+    pub user_call_group: String,
+    #[serde(rename = "fromName")]
+    pub from_name: String,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct OnlineUsersMessage {
+    #[serde(rename = "msgType")]
+    pub msg_type: String,
+    #[serde(rename = "fromId")]
+    pub from_id: String,
+    #[serde(rename = "fromName")]
+    pub from_name: String,
+    #[serde(rename = "toId")]
+    pub to_id: String,
+    #[serde(rename = "msgData")]
+    #[serde(serialize_with = "serialize_arc_vec")]
+    #[serde(deserialize_with = "deserialize_arc_vec")]
+    pub msg_data: Arc<Vec<OnlineUserMessage>>,
+    #[serde(rename = "time")]
+    pub time: u128,
+}
+
+fn serialize_arc_vec<S>(data: &Arc<Vec<OnlineUserMessage>>, serializer: S) -> Result<S::Ok, S::Error>
+where
+    S: serde::Serializer,
+{
+    (*data).serialize(serializer)
+}
+
+fn deserialize_arc_vec<'de, D>(deserializer: D) -> Result<Arc<Vec<OnlineUserMessage>>, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    let data = Vec::<OnlineUserMessage>::deserialize(deserializer)?;
+    Ok(Arc::new(data))
+}
+
+pub async fn send_multiple_messages() -> Result<(), Error> {
+    let mut msg_data = Vec::new();
+    {
+        let online_users = ONLINE_USERS.read().await;
+        for (_, user_info_str) in online_users.iter() {
+            let parts: Vec<&str> = user_info_str.split(',').collect();
+            if parts.len() == 9 {
+                let user_msg = OnlineUserMessage {
+                    call_state: parts[0].to_string(),
+                    channel_id: parts[1].to_string(),
+                    device_id: parts[2].to_string(),
+                    from_id: parts[3].to_string(),
+                    has_camera: parts[4].to_string(),
+                    has_mike: parts[5].to_string(),
+                    is_host: parts[6].to_string(),
+                    user_call_group: parts[7].to_string(),
+                    from_name: parts[8].to_string(),
+                };
+                msg_data.push(user_msg);
+            }
+        }
+    }
+
+    let msg_data = Arc::new(msg_data);
+    let mut connections = CONNECTIONS.write().await;
+    for (_, connection) in connections.iter_mut() {
+        let to_id = connection.from_id.to_string();
+        let message = OnlineUsersMessage {
+            msg_type: "GetOnlineUserList".to_string(),
+            from_id: "0".to_string(),
+            from_name: "Server".to_string(),
+            to_id,
+            msg_data: msg_data.clone(),
+            time: get_current_timestamp(),
+        };
+
+        let json_result = serde_json::to_string(&message);
+        if let Err(e) = json_result {
+            println!("序列化消息给用户 {} 失败: {}", connection.from_id, e);
+            continue;
+        }
+        let json = json_result.unwrap();
+
+        if let Err(e) = connection.sender.send(Message::text(json)).await {
+            println!("发送消息给用户 {} 失败: {}", connection.from_id, e);
+        }
+    }
+    Ok(())
+}
\ No newline at end of file

src/handles/redis.rs

@@ -4,6 +4,7 @@ use redis::Client;
 use redis::Commands;
 use redis_pool::SingleRedisPool;
 use std::collections::HashMap;
+use crate::client::ONLINE_USERS;
 
 lazy_static! {
     static ref REDIS_POOL: SingleRedisPool = {
@@ -23,7 +24,12 @@ pub async fn remove_this_connection(from_id: &str) -> Result<(), redis::RedisErr
         return Err(e);
     }
 
-    println!("成功从 Redis 中移除用户id: {} 的信息", from_id);
+    {
+        // 获取写锁以进行写操作
+        let mut online_users = ONLINE_USERS.write().await;
+        online_users.remove(from_id);
+        println!("成功从全局变量中移除用户id: {} 的信息", from_id);
+    }
     Ok(())
 }
 
@@ -39,6 +45,8 @@ pub async fn insert_this_connection(
     let device_id = params.get("deviceId").cloned().unwrap_or_default();
     let from_name = params.get("fromName").cloned().unwrap_or_default();
 
+    // 按照结构体OnlineUserMessage的格式构造用户信息字符串，用逗号拼接即可
+    // callState,channelID,deviceID,fromID,hasCamera,hasMike,isHost,userCallGroup,fromName
     let user_info_str = format!(
         "{},{},{},1,1,0,0,{}",
         "idle",
@@ -55,6 +63,11 @@ pub async fn insert_this_connection(
         return Err(e);
     }
 
-    println!("成功将用户id: {} 的信息插入到 Redis 中", from_id);
+    {
+        // 获取写锁以进行写操作
+        let mut online_users = ONLINE_USERS.write().await;
+        online_users.insert(from_id.to_string(), user_info_str);
+        println!("成功将用户id: {} 的信息插入到 Redis 中", from_id);
+    }
     Ok(())
 }
\ No newline at end of file

src/typing/message_typed.rs

 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize, Debug)]
-pub struct OnlineUserMessage {
-    #[serde(rename = "callState")]
-    pub call_state: String,
-    #[serde(rename = "channelID")]
-    pub channel_id: String,
-    #[serde(rename = "deviceID")]
-    pub device_id: String,
-    #[serde(rename = "fromID")]
-    pub from_id: String,
-    #[serde(rename = "hasCamera")]
-    pub has_camera: String,
-    #[serde(rename = "hasMike")]
-    pub has_mike: String,
-    #[serde(rename = "isHost")]
-    pub is_host: String,
-    #[serde(rename = "userCallGroup")]
-    pub user_call_group: String,
-    #[serde(rename = "fromName")]
-    pub from_name: String,
-}
-
 // 定义消息结构
 #[derive(Serialize, Deserialize, Debug)]
-pub struct MessageData {
+pub struct ClientMessageData {
     #[serde(rename = "msgType")]
     pub msg_type: String,
     #[serde(rename = "fromId")]

src/typing/used_typed.rs

 use std::collections::HashMap;
-use std::sync::{Arc, Mutex};
-use tokio::sync::Mutex as AsyncMutex;
+use std::sync::{Arc, RwLock};
+use tokio::sync::RwLock as AsyncRwLock;
 use tokio::task::JoinHandle;
 use tokio_tungstenite::WebSocketStream;
 use tungstenite::Message;
@@ -10,9 +10,8 @@ use tungstenite::Message;
 pub struct Connection {
     pub(crate) sender: futures::stream::SplitSink<WebSocketStream<tokio::net::TcpStream>, Message>,
     pub(crate) receiver: futures::stream::SplitStream<WebSocketStream<tokio::net::TcpStream>>,
+    pub(crate) from_id: String,
 }
 
-// 全局连接映射，存储 fromId 到 Connection 的映射
-pub type ConnectionMap = Arc<AsyncMutex<HashMap<String, Connection>>>;
-// 全局任务映射，存储 fromId 到 JoinHandle 的映射
-pub type TaskMap = Arc<Mutex<HashMap<String, JoinHandle<()>>>>;
+pub type ConnectionMap = Arc<AsyncRwLock<HashMap<String, Connection>>>;
+pub type TaskMap = Arc<RwLock<HashMap<String, JoinHandle<()>>>>;
\ No newline at end of file

src/utils/json_utils.rs

+use crate::typing::message_typed::ClientMessageData;
 use serde_json::Result;
-use crate::typing::message_typed::MessageData;
+use std::time::{SystemTime, UNIX_EPOCH};
 
-pub fn make_common_resp(value: serde_json::Value, msg_type: &str) -> Result<String> {
-    serialize_message(&MessageData {
-        msg_type: msg_type.to_string(),
-        from_id: "0".to_string(),
-        from_name: "Server".to_string(),
-        msg_data: value,
-    })
+pub fn get_current_timestamp() -> u128 {
+    let now = SystemTime::now();
+    let duration_since_epoch = now.duration_since(UNIX_EPOCH).expect("时间戳计算出错");
+    duration_since_epoch.as_millis()
 }
 
 // 解析 JSON 消息
-pub fn parse_message(json_str: &str) -> Result<MessageData> {
+pub fn parse_message(json_str: &str) -> Result<ClientMessageData> {
     serde_json::from_str(json_str)
 }
-
-// 序列化消息为 JSON 字符串
-pub fn serialize_message(msg: &MessageData) -> Result<String> {
-    serde_json::to_string(msg)
-}