79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
#include "Connection.h"
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#include "WebPage.h"
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#include "WebPageManager.h"
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#include "CommandParser.h"
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#include "CommandFactory.h"
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#include "PageLoadingCommand.h"
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#include "TimeoutCommand.h"
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#include "SocketCommand.h"
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#include "ErrorMessage.h"
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#include <QTcpSocket>
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Connection::Connection(QTcpSocket *socket, WebPageManager *manager, QObject *parent) :
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QObject(parent) {
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m_socket = socket;
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m_manager = manager;
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m_commandFactory = new CommandFactory(m_manager, this);
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m_commandParser = new CommandParser(socket, m_commandFactory, this);
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m_pageSuccess = true;
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m_pendingCommand = NULL;
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connect(m_socket, SIGNAL(readyRead()), m_commandParser, SLOT(checkNext()));
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connect(m_commandParser, SIGNAL(commandReady(Command *)), this, SLOT(commandReady(Command *)));
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connect(m_manager, SIGNAL(pageFinished(bool)), this, SLOT(pendingLoadFinished(bool)));
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}
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void Connection::commandReady(Command *command) {
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m_manager->log() << "Received" << command->toString();
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startCommand(command);
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}
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void Connection::startCommand(Command *command) {
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if (m_pendingCommand) {
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m_pendingCommand->deleteLater();
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}
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if (m_pageSuccess) {
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m_pendingCommand = new TimeoutCommand(new PageLoadingCommand(command, m_manager, this), m_manager, this);
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connect(m_pendingCommand, SIGNAL(finished(Response *)), this, SLOT(finishCommand(Response *)));
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m_pendingCommand->start();
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} else {
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writePageLoadFailure();
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}
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}
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void Connection::pendingLoadFinished(bool success) {
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m_pageSuccess = m_pageSuccess && success;
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}
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void Connection::writePageLoadFailure() {
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m_pageSuccess = true;
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QString message = currentPage()->failureString();
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Response response(false, new ErrorMessage(message));
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writeResponse(&response);
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}
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void Connection::finishCommand(Response *response) {
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m_pageSuccess = true;
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writeResponse(response);
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sender()->deleteLater();
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m_pendingCommand = NULL;
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}
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void Connection::writeResponse(Response *response) {
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if (response->isSuccess())
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m_socket->write("ok\n");
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else
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m_socket->write("failure\n");
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m_manager->log() << "Wrote response" << response->isSuccess() << response->message();
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QByteArray messageUtf8 = response->message();
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QString messageLength = QString::number(messageUtf8.size()) + "\n";
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m_socket->write(messageLength.toLatin1());
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m_socket->write(messageUtf8);
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}
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WebPage *Connection::currentPage() {
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return m_manager->currentPage();
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}
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