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#include <QtCore/QDebug>
#include "clientagent.h"
ClientAgent::ClientAgent(const QHostAddress& addr, uint port, const QDir& local_dir, SyncFlags flags, QObject *parent) :
Agent(new QSslSocket, local_dir, flags, parent)
{
qDebug() << "Starting client agent at" << QDateTime::currentDateTime();
_socket->setParent(this); // Can't set parent until QObject constructed
_socket->connectToHostEncrypted(addr.toString(), port);
sendMessage(MSG_HELLO);
_state = STATE_HELLO;
}
void ClientAgent::handleMessage(MessageType msg, const QByteArray &data)
{
qDebug() << "Client::handleMessage" << msg << data.size();
switch (msg) {
case MSG_HELLO_REPLY:
Q_ASSERT(_state == STATE_HELLO);
qDebug() << "Hello reply";
_state = STATE_FILE_LIST;
sendFileList();
break;
case MSG_FILE_ACTIONS_REPLY:
Q_ASSERT(_state == STATE_FILE_LIST);
handleActionInfoList(decodeActionInfoList(data));
break;
case MSG_PULL_FILE_REPLY:
Q_ASSERT(_state == STATE_FILE_ACTIONS && !_pendingActions.empty());
handlePulledFile(data);
break;
default:
qWarning() << "Unknown message";
break;
}
}
void ClientAgent::sendFileList()
{
QFileInfoList list = scanFiles(QDir(wireToLocalPath(_subPath)));
sendMessage(MSG_FILE_LIST, encodeFileInfoList(list));
}
void ClientAgent::handleActionInfoList(const RemoteActionInfoList &list)
{
foreach (const RemoteActionInfo& info, list) {
switch (info.action()) {
case ACTION_NONE:
qDebug() << " = " << info.fileInfo().name();
break;
case ACTION_PULL:
qDebug() << " < " << info.fileInfo().name();
break;
case ACTION_PULL_METADATA:
qDebug() << " <m" << info.fileInfo().name();
break;
case ACTION_PULL_DELETE:
qDebug() << " <d" << info.fileInfo().name();
break;
case ACTION_PUSH:
qDebug() << " > " << info.fileInfo().name();
break;
case ACTION_PUSH_METADATA:
qDebug() << " >m" << info.fileInfo().name();
break;
case ACTION_PUSH_DELETE:
qDebug() << " >d" << info.fileInfo().name();
break;
}
}
_pendingActions = list;
_state = STATE_FILE_ACTIONS;
executeNextAction();
}
void ClientAgent::executeNextAction()
{
if (_pendingActions.empty()) {
qDebug() << "Done";
emit finished();
sendMessage(MSG_BYE);
_socket->flush();
_socket->close();
return;
}
qDebug() << "Remaining actions" << _pendingActions.count();
const RemoteActionInfo& info = _pendingActions.first();
const QString wire_path = info.fileInfo().name();
const QString local_path = wireToLocalPath(wire_path);
switch (info.action()) {
case ACTION_PULL:
if (_flags & SYNC_READ_ONLY) break;
if (info.fileInfo().isDir()) {
if (!QDir().mkpath(local_path)) {
qWarning() << "Failed to create local path" << local_path;
}
} else {
sendMessage(MSG_PULL_FILE, encodeFileName(wire_path));
return; // Wait for the pulled file message.
}
break;
case ACTION_PULL_METADATA:
if (_flags & SYNC_READ_ONLY) break;
setLocalFileDateTime(local_path, info.fileInfo().lastModified());
break;
case ACTION_PULL_DELETE:
handleDeleteFile(wire_path);
break;
case ACTION_PUSH:
handlePushFile(wire_path);
break;
case ACTION_PUSH_METADATA:
sendMessage(MSG_PUSH_FILE_METADATA,
encodeFileInfoList(QFileInfoList() << QFileInfo(local_path)));
break;
case ACTION_PUSH_DELETE:
sendMessage(MSG_DELETE_FILE, encodeFileName(wire_path));
break;
default:
qWarning() << "Unknown action" << info.action();
break;
}
_pendingActions.removeFirst();
executeNextAction();
}
void ClientAgent::handlePulledFile(const QByteArray &data)
{
const RemoteActionInfo& info = _pendingActions.takeFirst();
if (_flags & SYNC_READ_ONLY) return;
QString local_path(wireToLocalPath(info.fileInfo().name()));
QFile file(local_path);
if (file.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
file.write(Compressor::decompress(data));
file.close();
setLocalFileDateTime(local_path, info.fileInfo().lastModified());
} else {
qWarning() << "Failed to open" << file.fileName() << "for writing";
}
executeNextAction();
}
void ClientAgent::handlePushFile(const QString &path)
{
QFile file(wireToLocalPath(path));
if (file.open(QIODevice::ReadOnly)) {
QByteArray file_data = file.readAll();
if (_flags & SYNC_COMPRESS) file_data = Compressor::compress(file_data);
QByteArray ba = encodeFileNameItem(path) + file_data;
sendMessage(MSG_PUSH_FILE, ba);
} else {
qWarning() << "Failed to open file" << file.fileName() << "for reading";
}
}
void ClientAgent::handleDeleteFile(const QString &wire_path)
{
if (_flags & SYNC_READ_ONLY) return;
QFileInfo local(wireToLocalPath(wire_path));
QString local_path = local.absoluteFilePath();
if (local.isDir()) {
if (!QDir().rmdir(local_path)) {
qWarning() << "Failed to remove local dir" << local_path;
}
} else {
if (!QDir().remove(local_path)) {
qWarning() << "Failed to remove local file" << local_path;
}
}
}
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