dmpmainserver.cpp
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/**************************************************************************
* file: dmpmainserver.cpp
* Author: wanzhongping
* Date: 2021-07-27 21:06:07
* Email: zhongpingw@chinadci.com
* copyright: 广州城市信息研究所有限公司
***************************************************************************/
#include <iostream>
#include "dmpconfig.h"
#include "dmpmainserver.h"
#include "dmpserver.h"
#include <boost/filesystem.hpp>
#include <vector>
#include "dmpapplication.h"
#include "dmplogger.h"
#include "dmpfilterresponsedecorator.h"
#include "dmpservercontext.h"
#include "dmpserverapicontext.h"
using namespace std;
namespace fs = boost::filesystem;
bool DmpMainServer::initialized_ = false;
string DmpMainServer::module_path_ = "";
string DmpMainServer::service_path_ = "";
DmpServerManager *DmpMainServer::serverManager_ = nullptr;
DmpServerInterfaceImpl *DmpMainServer::server_interface_ = nullptr;
DmpMainServer::DmpMainServer()
{
Init();
}
bool DmpMainServer::Init()
{
DmpLogger::Instance()->Init(DmpApplication::Instance()->libexecPath() + "log.config");
if (initialized_)
{
return false;
}
LOGGER_INFO("-------------------dmap server init start--------------------");
service_path_ = DmpApplication::Instance()->pkgDataPath() + "services";
serverManager_ = new DmpServerManager();
server_interface_ = new DmpServerInterfaceImpl();
// Load service module
module_path_ = DmpApplication::Instance()->libexecPath() + "server";
LOGGER_DEBUG("Initializing server modules from " + module_path_);
serverManager_->init(module_path_);
#ifdef HAVE_SERVER_PYTHON_PLUGINS
InitPython();
#endif
initialized_ = true;
LOGGER_DEBUG("------------------dmap server init end-------------------");
return true;
}
void DmpMainServer::HandleRequest(DmpServerRequest &request, DmpServerResponse &response)
{
LOGGER_DEBUG("DmpMainServer: HandleRequest");
DmpFilterResponseDecorator responseDecorator(server_interface_->Filters(), response);
DmpRequestHandler requestHandler(request, response);
try
{
requestHandler.ParseInput();
}
catch (std::exception &ex)
{
LOGGER_ERROR("Parse input exception: ");
}
// Set the request handler into the interface for plugins to manipulate it
server_interface_->SetRequestHandler(&requestHandler);
try
{
responseDecorator.start();
}
catch (std::exception &ex)
{
response.sendError(500, "Internal Server Error");
LOGGER_ERROR(ex.what());
}
const DmpServerParameters params = request.ServerParameters();
std::shared_ptr<DmpServerApi> api = nullptr;
if ( params.Service().empty())
{
if(api = serverManager_->apiForRequest(request)) {
DmpServerApiContext context {&request, &responseDecorator, serverManager_};
api->executeRequest(context);
}
else {
LOGGER_DEBUG("DmpMainServer: getCapabilities");
std::string capsJson = serverManager_->getCapabilities();
response.writeJson(capsJson);
}
}
else
{
std::shared_ptr<DmpServer> server = serverManager_->serverForRequest(request);
if (server) {
try {
server->executeRequest(request,responseDecorator);
}
catch (std::exception ex) {
response.sendError(500, "Internal Server Error");
LOGGER_ERROR(ex.what());
}
}
else {
std::string capsJson = serverManager_->getCapabilities();
response.writeJson(capsJson);
}
}
try
{
responseDecorator.finish();
}
catch (std::exception &ex)
{
response.sendError(500, "Internal Server Error");
LOGGER_CRITICAL(ex.what());
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
void DmpMainServer::InitPython()
{
// Init plugins
if (!DmpServerPlugins::InitPlugins(server_interface_))
{
LOGGER_WARN("No server python plugins are available");
}
else
{
LOGGER_WARN("Server python plugins loaded");
}
}
#endif