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| 1 | +# 客户端消息发送测试指南 / Client Message Sending Test Guide |
| 2 | + |
| 3 | +## 测试步骤 / Test Steps |
| 4 | + |
| 5 | +### 1. 启动集群节点 / Start Cluster Nodes |
| 6 | + |
| 7 | +启动至少 2 个节点(例如 node1 和 node2) |
| 8 | + |
| 9 | +### 2. 建立 WebSocket 连接 / Establish WebSocket Connections |
| 10 | + |
| 11 | +#### Client1 连接(连接到 node1) |
| 12 | +```javascript |
| 13 | +// 在浏览器控制台或 Node.js 中执行 |
| 14 | +const ws1 = new WebSocket('ws://localhost:5001/ws'); |
| 15 | +ws1.onopen = () => { |
| 16 | + console.log('Client1 connected, ConnectionId:', ws1.url); |
| 17 | +}; |
| 18 | +ws1.onmessage = (event) => { |
| 19 | + console.log('Client1 received:', event.data); |
| 20 | +}; |
| 21 | +``` |
| 22 | + |
| 23 | +#### Client2 连接(连接到 node2) |
| 24 | +```javascript |
| 25 | +const ws2 = new WebSocket('ws://localhost:5002/ws'); |
| 26 | +ws2.onopen = () => { |
| 27 | + console.log('Client2 connected'); |
| 28 | +}; |
| 29 | +ws2.onmessage = (event) => { |
| 30 | + console.log('Client2 received:', event.data); |
| 31 | +}; |
| 32 | +``` |
| 33 | + |
| 34 | +### 3. 获取连接 ID / Get Connection IDs |
| 35 | + |
| 36 | +#### 方法 1: 通过 API 查询 / Method 1: Query via API |
| 37 | + |
| 38 | +```bash |
| 39 | +# 获取所有连接 |
| 40 | +curl http://localhost:5001/ws_server/api/client |
| 41 | + |
| 42 | +# 获取 node1 的连接 |
| 43 | +curl http://localhost:5001/ws_server/api/client?nodeId=node1 |
| 44 | + |
| 45 | +# 获取 node2 的连接 |
| 46 | +curl http://localhost:5002/ws_server/api/client?nodeId=node2 |
| 47 | +``` |
| 48 | + |
| 49 | +#### 方法 2: 从 WebSocket 对象获取 / Method 2: Get from WebSocket object |
| 50 | + |
| 51 | +注意:浏览器 WebSocket API 不直接提供 ConnectionId,需要通过服务器日志或 API 查询获取。 |
| 52 | + |
| 53 | +### 4. 发送消息 / Send Message |
| 54 | + |
| 55 | +#### 使用 curl 命令 / Using curl |
| 56 | + |
| 57 | +```bash |
| 58 | +# Client1 发送消息给 Client2 |
| 59 | +# 假设 Client2 的 ConnectionId 是 "0HNHDGIF4BNLV" |
| 60 | + |
| 61 | +curl -X POST http://localhost:5001/ws_server/api/messages/send \ |
| 62 | + -H "Content-Type: application/json" \ |
| 63 | + -d '{ |
| 64 | + "connectionId": "0HNHDGIF4BNLV", |
| 65 | + "content": "Hello from Client1!", |
| 66 | + "messageType": "Text" |
| 67 | + }' |
| 68 | +``` |
| 69 | + |
| 70 | +#### 使用 PowerShell / Using PowerShell |
| 71 | + |
| 72 | +```powershell |
| 73 | +# Client1 发送消息给 Client2 |
| 74 | +$body = @{ |
| 75 | + connectionId = "0HNHDGIF4BNLV" |
| 76 | + content = "Hello from Client1!" |
| 77 | + messageType = "Text" |
| 78 | +} | ConvertTo-Json |
| 79 | +
|
| 80 | +Invoke-RestMethod -Uri "http://localhost:5001/ws_server/api/messages/send" ` |
| 81 | + -Method POST ` |
| 82 | + -ContentType "application/json" ` |
| 83 | + -Body $body |
| 84 | +``` |
| 85 | + |
| 86 | +#### 使用 Swagger UI / Using Swagger UI |
| 87 | + |
| 88 | +1. 打开 `http://localhost:5001/swagger` |
| 89 | +2. 找到 `/ws_server/api/messages/send` 接口 |
| 90 | +3. 点击 "Try it out" |
| 91 | +4. 输入参数: |
| 92 | + - `connectionId`: Client2 的连接 ID |
| 93 | + - `content`: 消息内容 |
| 94 | + - `messageType`: "Text" 或 "Binary" |
| 95 | +5. 点击 "Execute" |
| 96 | + |
| 97 | +### 5. 验证消息接收 / Verify Message Reception |
| 98 | + |
| 99 | +检查 Client2 的 WebSocket 是否收到消息: |
| 100 | + |
| 101 | +```javascript |
| 102 | +// 在 Client2 的浏览器控制台中 |
| 103 | +ws2.onmessage = (event) => { |
| 104 | + console.log('Client2 received message:', event.data); |
| 105 | + alert('Received: ' + event.data); |
| 106 | +}; |
| 107 | +``` |
| 108 | + |
| 109 | +## 测试场景 / Test Scenarios |
| 110 | + |
| 111 | +### 场景 1: 同节点内消息发送 / Scenario 1: Same Node Message Sending |
| 112 | +- Client1 和 Client2 都连接到 node1 |
| 113 | +- 从 node1 发送消息给 Client2 |
| 114 | + |
| 115 | +### 场景 2: 跨节点消息发送 / Scenario 2: Cross-Node Message Sending |
| 116 | +- Client1 连接到 node1 |
| 117 | +- Client2 连接到 node2 |
| 118 | +- 从 node1 发送消息给 Client2(通过集群路由) |
| 119 | + |
| 120 | +### 场景 3: 广播消息 / Scenario 3: Broadcast Message |
| 121 | + |
| 122 | +```bash |
| 123 | +# 广播消息给所有连接 |
| 124 | +curl -X POST http://localhost:5001/ws_server/api/messages/broadcast \ |
| 125 | + -H "Content-Type: application/json" \ |
| 126 | + -d '{ |
| 127 | + "content": "Broadcast message to all clients!", |
| 128 | + "messageType": "Text" |
| 129 | + }' |
| 130 | +``` |
| 131 | + |
| 132 | +## 完整测试脚本 / Complete Test Script |
| 133 | + |
| 134 | +### HTML 测试页面 / HTML Test Page |
| 135 | + |
| 136 | +创建一个 `test-client-message.html` 文件: |
| 137 | + |
| 138 | +```html |
| 139 | +<!DOCTYPE html> |
| 140 | +<html> |
| 141 | +<head> |
| 142 | + <title>WebSocket Client Message Test</title> |
| 143 | +</head> |
| 144 | +<body> |
| 145 | + <h1>WebSocket 客户端消息测试</h1> |
| 146 | + |
| 147 | + <div> |
| 148 | + <h2>Client1 (连接到 node1)</h2> |
| 149 | + <button onclick="connectClient1()">连接 Client1</button> |
| 150 | + <button onclick="disconnectClient1()">断开 Client1</button> |
| 151 | + <div id="client1-status">未连接</div> |
| 152 | + <div id="client1-messages"></div> |
| 153 | + </div> |
| 154 | + |
| 155 | + <div> |
| 156 | + <h2>Client2 (连接到 node2)</h2> |
| 157 | + <button onclick="connectClient2()">连接 Client2</button> |
| 158 | + <button onclick="disconnectClient2()">断开 Client2</button> |
| 159 | + <div id="client2-status">未连接</div> |
| 160 | + <div id="client2-messages"></div> |
| 161 | + </div> |
| 162 | + |
| 163 | + <div> |
| 164 | + <h2>发送消息</h2> |
| 165 | + <input type="text" id="target-connection-id" placeholder="目标连接ID"> |
| 166 | + <input type="text" id="message-content" placeholder="消息内容"> |
| 167 | + <button onclick="sendMessage()">发送消息</button> |
| 168 | + </div> |
| 169 | + |
| 170 | + <script> |
| 171 | + let ws1 = null; |
| 172 | + let ws2 = null; |
| 173 | + let client1Id = null; |
| 174 | + let client2Id = null; |
| 175 | + |
| 176 | + function connectClient1() { |
| 177 | + ws1 = new WebSocket('ws://localhost:5001/ws'); |
| 178 | + ws1.onopen = () => { |
| 179 | + document.getElementById('client1-status').textContent = '已连接'; |
| 180 | + fetchClientIds(); |
| 181 | + }; |
| 182 | + ws1.onmessage = (event) => { |
| 183 | + const div = document.getElementById('client1-messages'); |
| 184 | + div.innerHTML += '<p>收到: ' + event.data + '</p>'; |
| 185 | + }; |
| 186 | + ws1.onerror = (error) => { |
| 187 | + console.error('Client1 error:', error); |
| 188 | + }; |
| 189 | + } |
| 190 | + |
| 191 | + function connectClient2() { |
| 192 | + ws2 = new WebSocket('ws://localhost:5002/ws'); |
| 193 | + ws2.onopen = () => { |
| 194 | + document.getElementById('client2-status').textContent = '已连接'; |
| 195 | + fetchClientIds(); |
| 196 | + }; |
| 197 | + ws2.onmessage = (event) => { |
| 198 | + const div = document.getElementById('client2-messages'); |
| 199 | + div.innerHTML += '<p>收到: ' + event.data + '</p>'; |
| 200 | + }; |
| 201 | + ws2.onerror = (error) => { |
| 202 | + console.error('Client2 error:', error); |
| 203 | + }; |
| 204 | + } |
| 205 | + |
| 206 | + function disconnectClient1() { |
| 207 | + if (ws1) { |
| 208 | + ws1.close(); |
| 209 | + ws1 = null; |
| 210 | + document.getElementById('client1-status').textContent = '已断开'; |
| 211 | + } |
| 212 | + } |
| 213 | + |
| 214 | + function disconnectClient2() { |
| 215 | + if (ws2) { |
| 216 | + ws2.close(); |
| 217 | + ws2 = null; |
| 218 | + document.getElementById('client2-status').textContent = '已断开'; |
| 219 | + } |
| 220 | + } |
| 221 | + |
| 222 | + async function fetchClientIds() { |
| 223 | + try { |
| 224 | + const response = await fetch('http://localhost:5001/ws_server/api/client'); |
| 225 | + const data = await response.json(); |
| 226 | + if (data.success && data.data) { |
| 227 | + // 假设第一个连接是 Client1,第二个是 Client2 |
| 228 | + if (data.data.length > 0) { |
| 229 | + client1Id = data.data[0].connectionId; |
| 230 | + document.getElementById('target-connection-id').placeholder = '当前可用: ' + client1Id; |
| 231 | + } |
| 232 | + if (data.data.length > 1) { |
| 233 | + client2Id = data.data[1].connectionId; |
| 234 | + } |
| 235 | + } |
| 236 | + } catch (error) { |
| 237 | + console.error('Failed to fetch client IDs:', error); |
| 238 | + } |
| 239 | + } |
| 240 | + |
| 241 | + async function sendMessage() { |
| 242 | + const connectionId = document.getElementById('target-connection-id').value || client2Id; |
| 243 | + const content = document.getElementById('message-content').value; |
| 244 | + |
| 245 | + if (!connectionId || !content) { |
| 246 | + alert('请填写连接ID和消息内容'); |
| 247 | + return; |
| 248 | + } |
| 249 | + |
| 250 | + try { |
| 251 | + const response = await fetch('http://localhost:5001/ws_server/api/messages/send', { |
| 252 | + method: 'POST', |
| 253 | + headers: { |
| 254 | + 'Content-Type': 'application/json' |
| 255 | + }, |
| 256 | + body: JSON.stringify({ |
| 257 | + connectionId: connectionId, |
| 258 | + content: content, |
| 259 | + messageType: 'Text' |
| 260 | + }) |
| 261 | + }); |
| 262 | + |
| 263 | + const result = await response.json(); |
| 264 | + if (result.success) { |
| 265 | + alert('消息发送成功!'); |
| 266 | + } else { |
| 267 | + alert('消息发送失败: ' + result.error); |
| 268 | + } |
| 269 | + } catch (error) { |
| 270 | + console.error('Error sending message:', error); |
| 271 | + alert('发送消息时出错: ' + error.message); |
| 272 | + } |
| 273 | + } |
| 274 | + </script> |
| 275 | +</body> |
| 276 | +</html> |
| 277 | +``` |
| 278 | + |
| 279 | +## 注意事项 / Notes |
| 280 | + |
| 281 | +1. **连接 ID 获取**:连接建立后,需要通过 API 查询获取 ConnectionId |
| 282 | +2. **跨节点路由**:如果 Client1 和 Client2 在不同节点,消息会自动通过集群路由 |
| 283 | +3. **消息格式**:当前发送的是纯文本消息,如果需要发送 JSON,需要在 content 中包含 JSON 字符串 |
| 284 | +4. **错误处理**:如果连接不存在或已断开,API 会返回相应的错误信息 |
| 285 | + |
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