feat: complate socket.io base framework

Signed-off-by: MiaoWoo <admin@yumc.pw>
2020-03-21 15:47:42 +08:00
parent 15f09abce0
commit 6c9ea9fb74
20 changed files with 1569 additions and 16 deletions
--- a/packages/websocket/src/server/httprequest.ts
+++ b/packages/websocket/src/server/httprequest.ts
@@ -0,0 +1,66 @@
+import { HttpRequestHandlerAdapter } from '../netty'
+
+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 type HttpRequestConfig = {
+    root?: string;
+    ws?: string;
+}
+
+export class HttpRequestHandler extends HttpRequestHandlerAdapter {
+    private ws: string;
+    private root: string;
+    constructor(config: HttpRequestConfig = {
+        root: root + '/wwwroot',
+        ws: '/ws'
+    }) {
+        super()
+        this.root = config.root;
+        this.ws = config.ws;
+    }
+    channelRead0(ctx: any, request: any) {
+        if (request.getUri().startsWith(this.ws)) {
+            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)
+                    }
+                }
+            }))
+        }
+    }
+}