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/*********************************************************
* Copyright (C) 2010 VMware, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation version 2.1 and no later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/**
* @fileTransferRpcV4.cc --
*
* Implementation of common layer file transfer rpc version 4 object.
*/
#include "fileTransferRpcV4.hh"
#include "dndCPTransport.h"
extern "C" {
#include "dndMsg.h"
#include "dndCPMsgV4.h"
#include "hgfsServer.h"
#include "str.h"
#include "util.h"
#if defined VMX86_TOOLS
#include "debug.h"
#define LOG(level, msg) (Debug msg)
#else
#define LOGLEVEL_MODULE dnd
#include "loglevel_user.h"
#endif
}
/**
* Create transport object and register callback.
*
* @param[in] transport for sending/receiving messages.
*/
FileTransferRpcV4::FileTransferRpcV4(DnDCPTransport *transport)
: mTransport(transport),
#ifdef VMX86_TOOLS
mTransportInterface(TRANSPORT_GUEST_CONTROLLER_FT)
#else
mTransportInterface(TRANSPORT_HOST_CONTROLLER_FT)
#endif
{
ASSERT(mTransport);
#ifdef VMX86_TOOLS
mUtil.Init(this, DND_CP_MSG_SRC_GUEST, DND_CP_MSG_TYPE_FT);
#else
mUtil.Init(this, DND_CP_MSG_SRC_HOST, DND_CP_MSG_TYPE_FT);
#endif
}
/**
* Init. Register the rpc with transport. Send a ping message to controller to
* to let it know our version and capability.
*
* XXX Capability is not implemented yet.
*/
void
FileTransferRpcV4::Init(void)
{
ASSERT(mTransport);
mTransport->RegisterRpc(this, mTransportInterface);
}
/**
* Sends hgfs packet to peer.
*
* @param[in] sessionId DnD/CopyPaste session id.
* @param[in] packet packet data.
* @param[in] packetSize packet size.
*
* @return true on success, false otherwise.
*/
bool
FileTransferRpcV4::SendHgfsPacket(uint32 sessionId,
const uint8 *packet,
uint32 packetSize)
{
RpcParams params;
memset(¶ms, 0, sizeof params);
params.addrId = DEFAULT_CONNECTION_ID;
params.cmd = FT_CMD_HGFS_REQUEST;
params.sessionId = sessionId;
return mUtil.SendMsg(¶ms, packet, packetSize);
}
/**
* Sends hgfs reply back to peer.
*
* @param[in] sessionId DnD/CopyPaste session id.
* @param[in] packet reply packet data.
* @param[in] packetSize reply packet size.
*
* @return true on success, false otherwise.
*/
bool
FileTransferRpcV4::SendHgfsReply(uint32 sessionId,
const uint8 *packet,
uint32 packetSize)
{
RpcParams params;
memset(¶ms, 0, sizeof params);
params.addrId = DEFAULT_CONNECTION_ID;
params.cmd = FT_CMD_HGFS_REPLY;
params.sessionId = sessionId;
return mUtil.SendMsg(¶ms, packet, packetSize);
}
/**
* Send a packet.
*
* @param[in] destId destination address id.
* @param[in] packet
* @param[in] length packet length
*
* @return true on success, false otherwise.
*/
bool
FileTransferRpcV4::SendPacket(uint32 destId,
const uint8 *packet,
size_t length)
{
return mTransport->SendPacket(destId, mTransportInterface, packet, length);
}
/**
* Handle a received message.
*
* @param[in] params parameter list for received message.
* @param[in] binary attached binary data for received message.
* @param[in] binarySize
*/
void
FileTransferRpcV4::HandleMsg(RpcParams *params,
const uint8 *binary,
uint32 binarySize)
{
ASSERT(params);
LOG(4, ("%s: Got %s[%d], sessionId %d, srcId %d, binary size %d.\n",
__FUNCTION__, DnDCPMsgV4_LookupCmd(params->cmd), params->cmd,
params->sessionId, params->addrId, binarySize));
switch (params->cmd) {
case FT_CMD_HGFS_REQUEST:
HgfsPacketReceived.emit(params->sessionId, binary, binarySize);
break;
case FT_CMD_HGFS_REPLY:
HgfsReplyReceived.emit(params->sessionId, binary, binarySize);
break;
case DNDCP_CMD_PING_REPLY:
break;
default:
LOG(0, ("%s: Got unknown command %d.\n", __FUNCTION__, params->cmd));
break;
}
}
/**
* Callback from transport layer after received a packet from srcId.
*
* @param[in] srcId addressId where the packet is from
* @param[in] packet
* @param[in] packetSize
*/
void
FileTransferRpcV4::OnRecvPacket(uint32 srcId,
const uint8 *packet,
size_t packetSize)
{
mUtil.OnRecvPacket(srcId, packet, packetSize);
}
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