Files
doris/be/src/http/web_page_handler.h
chenhao7253886 37b4cafe87 Change variable and namespace name in BE (#268)
Change 'palo' to 'doris'
2018-11-02 10:22:32 +08:00

83 lines
2.6 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#ifndef DORIS_BE_SRC_COMMON_UTIL_WEB_PAGE_HANDLER_H
#define DORIS_BE_SRC_COMMON_UTIL_WEB_PAGE_HANDLER_H
#include <string>
#include <sstream>
#include <vector>
#include <map>
#include <boost/function.hpp>
#include <boost/thread/mutex.hpp>
#include "http/http_handler.h"
namespace doris {
class EvHttpServer;
// This a handler for webpage request
// and this handler manage all the page handler
class WebPageHandler : public HttpHandler {
public:
typedef std::map<std::string, std::string> ArgumentMap;
typedef boost::function<void (const ArgumentMap& args, std::stringstream* output)>
PageHandlerCallback;
WebPageHandler(EvHttpServer* http_server);
virtual ~WebPageHandler() {
}
void handle(HttpRequest *req) override;
// Just use old code
void register_page(const std::string& path, const PageHandlerCallback& callback);
private:
void bootstrap_page_header(std::stringstream* output);
void bootstrap_page_footer(std::stringstream* output);
void root_handler(const ArgumentMap& args, std::stringstream* output);
// all
class PageHandlers {
public:
void add_callback(const PageHandlerCallback& callback) {
_callbacks.push_back(callback);
}
const std::vector<PageHandlerCallback>& callbacks() const {
return _callbacks;
}
private:
std::vector<PageHandlerCallback> _callbacks;
};
EvHttpServer* _http_server;
// Lock guarding the _path_handlers map
boost::mutex _map_lock;
// Map of path to a PathHandler containing a list of handlers for that
// path. More than one handler may register itself with a path so that many
// components may contribute to a single page.
typedef std::map<std::string, PageHandlers> PageHandlersMap;
PageHandlersMap _page_map;
};
}
#endif