feat: 完善client相关功能 重构server部分

Signed-off-by: MiaoWoo <admin@yumc.pw>

packages/websocket/src/server/netty/httprequest.ts

@@ -0,0 +1,62 @@
+import { HttpRequestHandlerAdapter } from './adapter'
+import { AttributeKeys } from './constants'
+
+import type { JavaServerOptions } from '../'
+
+const DefaultHttpResponse = Java.type('io.netty.handler.codec.http.DefaultHttpResponse')
+const DefaultFullHttpResponse = Java.type('io.netty.handler.codec.http.DefaultFullHttpResponse')
+const HttpHeaders = Java.type('io.netty.handler.codec.http.HttpHeaders')
+const HttpVersion = Java.type('io.netty.handler.codec.http.HttpVersion')
+const HttpResponseStatus = Java.type('io.netty.handler.codec.http.HttpResponseStatus')
+const LastHttpContent = Java.type('io.netty.handler.codec.http.LastHttpContent')
+
+const File = Java.type('java.io.File')
+const Runnable = Java.type('java.lang.Runnable')
+const RandomAccessFile = Java.type('java.io.RandomAccessFile')
+const DefaultFileRegion = Java.type('io.netty.channel.DefaultFileRegion')
+const ChannelFutureListener = Java.type('io.netty.channel.ChannelFutureListener')
+
+export class HttpRequestHandler extends HttpRequestHandlerAdapter {
+    private ws: string
+    private root: string
+    constructor(options: JavaServerOptions) {
+        super()
+        this.root = options.root
+        this.ws = options.path
+    }
+    channelRead0(ctx: any, request: any) {
+        if (request.getUri().startsWith(this.ws)) {
+            ctx.channel().attr(AttributeKeys.Request).set(request)
+            ctx.fireChannelRead(request.retain())
+        } else {
+            ctx.executor().execute(new Runnable({
+                run: () => {
+                    if (HttpHeaders.is100ContinueExpected(request)) {
+                        ctx.writeAndFlush(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.CONTINUE))
+                    }
+                    let filename = request.getUri().split('?')[0].substr(1)
+                    let file = new File(this.root, filename || 'index.html')
+                    if (!file.exists() || !file.isFile()) {
+                        ctx.write(new DefaultHttpResponse(request.getProtocolVersion(), HttpResponseStatus.NOT_FOUND))
+                        ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT).addListener(ChannelFutureListener.CLOSE)
+                        return
+                    }
+                    let response = new DefaultHttpResponse(request.getProtocolVersion(), HttpResponseStatus.OK)
+                    response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html charset=UTF-8")
+                    let raf = new RandomAccessFile(file, 'r')
+                    let keepAlive = HttpHeaders.isKeepAlive(request)
+                    if (keepAlive) {
+                        response.headers().set(HttpHeaders.Names.CONTENT_LENGTH, file.length())
+                        response.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE)
+                    }
+                    ctx.write(response)
+                    ctx.write(new DefaultFileRegion(raf.getChannel(), 0, raf.length()))
+                    let future = ctx.writeAndFlush(LastHttpContent.EMPTY_LAST_CONTENT)
+                    if (!keepAlive) {
+                        future.addListener(ChannelFutureListener.CLOSE)
+                    }
+                }
+            }))
+        }
+    }
+}