Replace SSH library.

src/plugins/coreplugin/ssh/sshchannelmanager.cpp

@@ -0,0 +1,188 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "sshchannelmanager_p.h"
+
+#include "sftpchannel.h"
+#include "sftpchannel_p.h"
+#include "sshincomingpacket_p.h"
+#include "sshremoteprocess.h"
+#include "sshremoteprocess_p.h"
+#include "sshsendfacility_p.h"
+
+#include <QtCore/QList>
+
+namespace Core {
+namespace Internal {
+
+SshChannelManager::SshChannelManager(SshSendFacility &sendFacility)
+    : m_sendFacility(sendFacility), m_nextLocalChannelId(0)
+{
+}
+
+SshChannelManager::~SshChannelManager() {}
+
+void SshChannelManager::handleChannelRequest(const SshIncomingPacket &packet)
+{
+    lookupChannel(packet.extractRecipientChannel())
+        ->handleChannelRequest(packet);
+}
+
+void SshChannelManager::handleChannelOpen(const SshIncomingPacket &)
+{
+    throw SSH_SERVER_EXCEPTION(SSH_DISCONNECT_PROTOCOL_ERROR,
+        "Server tried to open channel on client.");
+}
+
+void SshChannelManager::handleChannelOpenFailure(const SshIncomingPacket &packet)
+{
+   const SshChannelOpenFailure &failure = packet.extractChannelOpenFailure();
+   ChannelIterator it = lookupChannelAsIterator(failure.localChannel);
+   try {
+       it.value()->handleOpenFailure(failure.reasonString);
+   } catch (SshServerException &e) {
+       removeChannel(it);
+       throw e;
+   }
+   removeChannel(it);
+}
+
+void SshChannelManager::handleChannelOpenConfirmation(const SshIncomingPacket &packet)
+{
+   const SshChannelOpenConfirmation &confirmation
+       = packet.extractChannelOpenConfirmation();
+   lookupChannel(confirmation.localChannel)->handleOpenSuccess(confirmation.remoteChannel,
+       confirmation.remoteWindowSize, confirmation.remoteMaxPacketSize);
+}
+
+void SshChannelManager::handleChannelSuccess(const SshIncomingPacket &packet)
+{
+    lookupChannel(packet.extractRecipientChannel())->handleChannelSuccess();
+}
+
+void SshChannelManager::handleChannelFailure(const SshIncomingPacket &packet)
+{
+    lookupChannel(packet.extractRecipientChannel())->handleChannelFailure();
+}
+
+void SshChannelManager::handleChannelWindowAdjust(const SshIncomingPacket &packet)
+{
+    const SshChannelWindowAdjust adjust = packet.extractWindowAdjust();
+    lookupChannel(adjust.localChannel)->handleWindowAdjust(adjust.bytesToAdd);
+}
+
+void SshChannelManager::handleChannelData(const SshIncomingPacket &packet)
+{
+    const SshChannelData &data = packet.extractChannelData();
+    lookupChannel(data.localChannel)->handleChannelData(data.data);
+}
+
+void SshChannelManager::handleChannelExtendedData(const SshIncomingPacket &packet)
+{
+    const SshChannelExtendedData &data = packet.extractChannelExtendedData();
+    lookupChannel(data.localChannel)->handleChannelExtendedData(data.type, data.data);
+}
+
+void SshChannelManager::handleChannelEof(const SshIncomingPacket &packet)
+{
+    AbstractSshChannel * const channel
+        = lookupChannel(packet.extractRecipientChannel(), true);
+    if (channel)
+        channel->handleChannelEof();
+}
+
+void SshChannelManager::handleChannelClose(const SshIncomingPacket &packet)
+{
+    const quint32 channelId = packet.extractRecipientChannel();
+
+    ChannelIterator it = lookupChannelAsIterator(channelId, true);
+    if (it != m_channels.end()) {
+        it.value()->handleChannelClose();
+        removeChannel(it);
+    }
+}
+
+SshChannelManager::ChannelIterator SshChannelManager::lookupChannelAsIterator(quint32 channelId,
+    bool allowNotFound)
+{
+    ChannelIterator it = m_channels.find(channelId);
+    if (it == m_channels.end() && !allowNotFound) {
+        throw SshServerException(SSH_DISCONNECT_PROTOCOL_ERROR,
+            "Invalid channel id.",
+            SSH_TR("Invalid channel id %1").arg(channelId));
+    }
+    return it;
+}
+
+AbstractSshChannel *SshChannelManager::lookupChannel(quint32 channelId,
+    bool allowNotFound)
+{
+    ChannelIterator it = lookupChannelAsIterator(channelId, allowNotFound);
+    return it == m_channels.end() ? 0 : it.value();
+}
+
+Core::SshRemoteProcess::Ptr SshChannelManager::createRemoteProcess(const QByteArray &command)
+{
+    SshRemoteProcess::Ptr proc(new SshRemoteProcess(command, m_nextLocalChannelId++, m_sendFacility));
+    insertChannel(proc->d, proc);
+    return proc;
+}
+
+Core::SftpChannel::Ptr SshChannelManager::createSftpChannel()
+{
+    SftpChannel::Ptr sftp(new SftpChannel(m_nextLocalChannelId++, m_sendFacility));
+    insertChannel(sftp->d, sftp);
+    return sftp;
+}
+
+void SshChannelManager::insertChannel(AbstractSshChannel *priv,
+    const QSharedPointer<QObject> &pub)
+{
+    m_channels.insert(priv->localChannelId(), priv);
+    m_sessions.insert(priv, pub);
+}
+
+void SshChannelManager::closeAllChannels()
+{
+    for (ChannelIterator it = m_channels.begin(); it != m_channels.end(); ++it)
+        it.value()->closeChannel();
+    m_channels.clear();
+    m_sessions.clear();
+}
+
+void SshChannelManager::removeChannel(ChannelIterator it)
+{
+    Q_ASSERT(it != m_channels.end() && "Unexpected channel lookup failure.");
+    const int removeCount = m_sessions.remove(it.value());
+    Q_ASSERT(removeCount == 1 && "Session for channel not found.");
+    m_channels.erase(it);
+}
+
+} // namespace Internal
+} // namespace Core