wildfire chat server source initial submit

2019-03-16 17:04:23 +08:00
parent e59217bd10
commit cab3ca0916
1466 changed files with 528862 additions and 15919 deletions
@@ -0,0 +1,144 @@
+package com.xiaoleilu.loServer.handler;
+
+import java.io.IOException;
+
+import com.hazelcast.core.HazelcastInstance;
+import com.xiaoleilu.hutool.lang.Singleton;
+import com.xiaoleilu.hutool.log.Log;
+import com.xiaoleilu.hutool.log.StaticLog;
+import com.xiaoleilu.loServer.ServerSetting;
+import com.xiaoleilu.loServer.action.Action;
+import com.xiaoleilu.loServer.action.UnknownErrorAction;
+import com.xiaoleilu.loServer.action.FileAction;
+import com.xiaoleilu.loServer.filter.Filter;
+
+import io.moquette.spi.IMessagesStore;
+import io.moquette.spi.ISessionsStore;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.SimpleChannelInboundHandler;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Action处理单元
+ * 
+ * @author Looly
+ */
+abstract public class ActionHandler extends SimpleChannelInboundHandler<FullHttpRequest> {
+    private static final Logger Logger = LoggerFactory.getLogger(ActionHandler.class);
+
+    public ActionHandler(IMessagesStore messagesStore, ISessionsStore sessionsStore) {
+        Action.messagesStore = messagesStore;
+        Action.sessionsStore = sessionsStore;
+    }
+
+    @Override
+	protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest fullHttpRequest) throws Exception {
+        Logger.info("Http request whit url {}", fullHttpRequest.uri());
+		final Request request = Request.build(ctx, fullHttpRequest);
+		final Response response = Response.build(ctx, request);
+
+		response.setContentType("application/json");
+		try {
+			//do filter
+			boolean isPass = this.doFilter(request, response);
+			
+			if(isPass){
+				//do action
+				this.doAction(ctx, request, response);
+			}
+		} catch (Exception e) {
+			Action errorAction = ServerSetting.getErrorAction(ServerSetting.MAPPING_ERROR);
+			request.putParam(UnknownErrorAction.ERROR_PARAM_NAME, e);
+			response.setContent(e.toString());
+			errorAction.doAction(request, response);
+
+            //如果发送请求未被触发，则触发之，否则跳过。
+            if(!response.isSent()){
+                response.send();
+            }
+
+            ctx.fireExceptionCaught(e);
+            ctx.close();
+		}
+		
+
+	}
+	
+	@Override
+	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
+        super.exceptionCaught(ctx, cause);
+        Logger.warn("{}", cause.getMessage());
+        Channel channel = ctx.channel();
+        if(channel.isActive())ctx.close();
+	}
+	
+	//---------------------------------------------------------------------------------------- Private method start
+	/**
+	 * 执行过滤
+	 * @param request 请求
+	 * @param response 响应
+	 * @@return  是否继续
+	 */
+	private boolean doFilter(Request request, Response response) {
+		//全局过滤器
+		Filter filter = ServerSetting.getFilter(ServerSetting.MAPPING_ALL);
+		if(null != filter){
+			if(false == filter.doFilter(request, response)){
+				return false;
+			}
+		}
+		
+		//自定义Path过滤器
+		filter = ServerSetting.getFilter(request.getPath());
+		if(null != filter){
+			if(false == filter.doFilter(request, response)){
+				return false;
+			}
+		}
+		
+		return true;
+	}
+
+	abstract boolean isValidePath(String path);
+	/**
+	 * 执行Action
+	 * @param request 请求对象
+	 * @param response 响应对象
+	 */
+	private void doAction(ChannelHandlerContext ctx, Request request, Response response){
+		Action action;
+		if (isValidePath(request.getPath())) {
+            action = ServerSetting.getAction(request.getPath(), request.getMethod().toUpperCase());
+        } else {
+            action = ServerSetting.getErrorAction(ServerSetting.MAPPING_ERROR);
+        }
+
+		if (action == null && (request.getPath().startsWith("/api") || request.getPath().startsWith("/admin"))) {
+		    action = ServerSetting.getErrorAction(ServerSetting.MAPPING_ERROR);
+        }
+
+		if (null == action) {
+			//查找匹配所有路径的Action
+			action = ServerSetting.getAction(ServerSetting.MAPPING_ALL, request.getMethod());
+			if(null == action){
+				// 非Action方法，调用静态文件读取
+				action = Singleton.get(FileAction.class);
+			}
+		}
+        action.ctx = ctx;
+
+		boolean isSync = action.doAction(request, response);
+
+		if(isSync) {
+            //如果发送请求未被触发，则触发之，否则跳过。
+            if(!response.isSent()){
+                response.send();
+            }
+        }
+	}
+	//---------------------------------------------------------------------------------------- Private method start
+}