mirror of
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110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/**
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@file
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@author Stefan Frings
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*/
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#include "httplistener.h"
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#include "httpconnectionhandler.h"
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#include "httpconnectionhandlerpool.h"
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#include <QCoreApplication>
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using namespace qtwebapp;
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HttpListener::HttpListener(QSettings* settings, HttpRequestHandler* requestHandler, QObject *parent)
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: QTcpServer(parent), useQtSettings(true)
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{
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Q_ASSERT(settings != 0);
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Q_ASSERT(requestHandler != 0);
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pool = 0;
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this->settings = settings;
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this->requestHandler = requestHandler;
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// Reqister type of socketDescriptor for signal/slot handling
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qRegisterMetaType<tSocketDescriptor>("tSocketDescriptor");
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// Start listening
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listen();
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}
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HttpListener::HttpListener(const HttpListenerSettings& settings, HttpRequestHandler* requestHandler, QObject *parent)
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: QTcpServer(parent), useQtSettings(false)
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{
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Q_ASSERT(requestHandler != 0);
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pool = 0;
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this->settings = 0;
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listenerSettings = settings;
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this->requestHandler = requestHandler;
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// Reqister type of socketDescriptor for signal/slot handling
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qRegisterMetaType<tSocketDescriptor>("tSocketDescriptor");
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// Start listening
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listen();
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}
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HttpListener::~HttpListener()
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{
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close();
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qDebug("HttpListener: destroyed");
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}
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void HttpListener::listen()
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{
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if (!pool)
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{
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if (useQtSettings) {
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pool = new HttpConnectionHandlerPool(settings, requestHandler);
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} else {
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pool = new HttpConnectionHandlerPool(&listenerSettings, requestHandler);
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}
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}
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QString host = useQtSettings ? settings->value("host").toString() : listenerSettings.host;
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int port = useQtSettings ? settings->value("port").toInt() : listenerSettings.port;
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QTcpServer::listen(host.isEmpty() ? QHostAddress::Any : QHostAddress(host), port);
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if (!isListening())
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{
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qCritical("HttpListener: Cannot bind on port %i: %s",port,qPrintable(errorString()));
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}
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else {
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qDebug("HttpListener: Listening on port %i",port);
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}
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}
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void HttpListener::close() {
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QTcpServer::close();
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qDebug("HttpListener: closed");
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if (pool) {
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delete pool;
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pool=NULL;
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}
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}
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void HttpListener::incomingConnection(tSocketDescriptor socketDescriptor) {
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#ifdef SUPERVERBOSE
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qDebug("HttpListener: New connection");
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#endif
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HttpConnectionHandler* freeHandler=NULL;
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if (pool)
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{
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freeHandler=pool->getConnectionHandler();
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}
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// Let the handler process the new connection.
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if (freeHandler)
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{
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// The descriptor is passed via event queue because the handler lives in another thread
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QMetaObject::invokeMethod(freeHandler, "handleConnection", Qt::QueuedConnection, Q_ARG(tSocketDescriptor, socketDescriptor));
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}
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else
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{
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// Reject the connection
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qDebug("HttpListener: Too many incoming connections");
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QTcpSocket* socket=new QTcpSocket(this);
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socket->setSocketDescriptor(socketDescriptor);
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connect(socket, SIGNAL(disconnected()), socket, SLOT(deleteLater()));
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socket->write("HTTP/1.1 503 too many connections\r\nConnection: close\r\n\r\nToo many connections\r\n");
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socket->disconnectFromHost();
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}
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}
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