mirror of https://gitee.com/bigwinds/arangodb
315 lines
11 KiB
C++
315 lines
11 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief application http server feature
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2012 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Copyright 2010-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "ApplicationHttpServer.h"
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#include "Basics/delete_object.h"
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#include "Dispatcher/ApplicationDispatcher.h"
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#include "HttpServer/HttpHandler.h"
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#include "HttpServer/HttpServer.h"
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#include "Logger/Logger.h"
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#include "Scheduler/ApplicationScheduler.h"
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using namespace triagens::basics;
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using namespace triagens::rest;
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using namespace std;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Scheduler
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructor
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////////////////////////////////////////////////////////////////////////////////
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ApplicationHttpServer::ApplicationHttpServer (ApplicationServer* applicationServer,
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ApplicationScheduler* applicationScheduler,
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ApplicationDispatcher* applicationDispatcher)
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: ApplicationFeature("HttpServer"),
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_applicationServer(applicationServer),
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_applicationScheduler(applicationScheduler),
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_applicationDispatcher(applicationDispatcher),
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_showPort(true),
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_requireKeepAlive(false),
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_httpServers(),
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_httpPorts(),
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_httpAddressPorts() {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief destructor
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////////////////////////////////////////////////////////////////////////////////
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ApplicationHttpServer::~ApplicationHttpServer () {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup Scheduler
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief shows the port options
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////////////////////////////////////////////////////////////////////////////////
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void ApplicationHttpServer::showPortOptions (bool value) {
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_showPort = value;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief adds a http address:port
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////////////////////////////////////////////////////////////////////////////////
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AddressPort ApplicationHttpServer::addPort (string const& name) {
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AddressPort ap;
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if (! ap.split(name)) {
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LOGGER_ERROR << "unknown server:port definition '" << name << "'";
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}
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else {
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_httpAddressPorts.push_back(ap);
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}
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return ap;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief builds the http server
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////////////////////////////////////////////////////////////////////////////////
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HttpServer* ApplicationHttpServer::buildServer (HttpHandlerFactory* httpHandlerFactory) {
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return buildHttpServer(0, httpHandlerFactory, _httpAddressPorts);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief builds the http server
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////////////////////////////////////////////////////////////////////////////////
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HttpServer* ApplicationHttpServer::buildServer (HttpHandlerFactory* httpHandlerFactory,
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vector<AddressPort> const& ports) {
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if (ports.empty()) {
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delete httpHandlerFactory;
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return 0;
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}
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else {
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return buildHttpServer(0, httpHandlerFactory, ports);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief builds the http server
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////////////////////////////////////////////////////////////////////////////////
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HttpServer* ApplicationHttpServer::buildServer (HttpServer* httpServer,
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HttpHandlerFactory* httpHandlerFactory,
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vector<AddressPort> const& ports) {
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if (ports.empty()) {
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delete httpHandlerFactory;
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return 0;
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}
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else {
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return buildHttpServer(httpServer, httpHandlerFactory, ports);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- ApplicationFeature methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ApplicationServer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// {@inheritDoc}
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////////////////////////////////////////////////////////////////////////////////
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void ApplicationHttpServer::setupOptions (map<string, ProgramOptionsDescription>& options) {
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if (_showPort) {
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options[ApplicationServer::OPTIONS_SERVER]
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("server.port", &_httpPorts, "listen port or address:port")
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;
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}
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options[ApplicationServer::OPTIONS_SERVER + ":help-extended"]
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("server.require-keep-alive", "close connection, if keep-alive is missing")
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;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// {@inheritDoc}
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////////////////////////////////////////////////////////////////////////////////
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bool ApplicationHttpServer::parsePhase2 (ProgramOptions& options) {
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if (options.has("server.require-keep-alive")) {
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_requireKeepAlive= true;
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}
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for (vector<string>::const_iterator i = _httpPorts.begin(); i != _httpPorts.end(); ++i) {
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addPort(*i);
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// {@inheritDoc}
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////////////////////////////////////////////////////////////////////////////////
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void ApplicationHttpServer::shutdown () {
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for_each(_httpServers.begin(), _httpServers.end(), DeleteObject());
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_httpServers.clear();
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- protected methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup HttpServer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief build an http server
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////////////////////////////////////////////////////////////////////////////////
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HttpServer* ApplicationHttpServer::buildHttpServer (HttpServer* httpServer,
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HttpHandlerFactory* httpHandlerFactory,
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vector<AddressPort> const& ports) {
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Scheduler* scheduler = _applicationScheduler->scheduler();
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if (scheduler == 0) {
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LOGGER_FATAL << "no scheduler is known, cannot create http server";
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TRI_ShutdownLogging();
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exit(EXIT_FAILURE);
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}
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// create new server
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if (httpServer == 0) {
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Dispatcher* dispatcher = 0;
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if (_applicationDispatcher != 0) {
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dispatcher = _applicationDispatcher->dispatcher();
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}
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httpServer = new HttpServer(scheduler, dispatcher);
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}
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httpServer->setHandlerFactory(httpHandlerFactory);
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if (_requireKeepAlive) {
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httpServer->setCloseWithoutKeepAlive(true);
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}
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// keep a list of active server
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_httpServers.push_back(httpServer);
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// open http ports
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deque<AddressPort> addresses;
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addresses.insert(addresses.begin(), ports.begin(), ports.end());
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_applicationServer->raisePrivileges();
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while (! addresses.empty()) {
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AddressPort ap = addresses[0];
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addresses.pop_front();
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string bindAddress = ap._address;
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int port = ap._port;
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bool result;
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if (bindAddress.empty()) {
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LOGGER_TRACE << "trying to open port " << port << " for http requests";
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result = httpServer->addPort(port, _applicationScheduler->addressReuseAllowed());
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}
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else {
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LOGGER_TRACE << "trying to open address " << bindAddress
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<< " on port " << port
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<< " for http requests";
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result = httpServer->addPort(bindAddress, port, _applicationScheduler->addressReuseAllowed());
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}
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if (result) {
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LOGGER_DEBUG << "opened port " << port << " for " << (bindAddress.empty() ? "any" : bindAddress);
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}
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else {
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LOGGER_TRACE << "failed to open port " << port << " for " << (bindAddress.empty() ? "any" : bindAddress);
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addresses.push_back(ap);
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if (scheduler->isShutdownInProgress()) {
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addresses.clear();
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}
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else {
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sleep(1);
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}
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}
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}
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_applicationServer->dropPrivileges();
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return httpServer;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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