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Copy pathremote_access.cpp
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624 lines (485 loc) · 14.1 KB
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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2014 Crytek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#include "replay/type_helpers.h"
#include "replay/renderdoc.h"
#include "core/core.h"
#include "os/os_specific.h"
#include "serialise/serialiser.h"
#include "socket_helpers.h"
enum PacketType
{
ePacket_Noop,
ePacket_Handshake,
ePacket_Busy,
ePacket_NewCapture,
ePacket_RegisterAPI,
ePacket_TriggerCapture,
ePacket_CopyCapture,
ePacket_QueueCapture,
};
void RenderDoc::RemoteAccessClientThread(void *s)
{
Network::Socket *client = (Network::Socket *)s;
Serialiser ser(L"", Serialiser::WRITING, false);
wstring api = L"";
RDCDriver driver;
RenderDoc::Inst().GetCurrentDriver(driver, api);
ser.Rewind();
wstring target = RenderDoc::Inst().GetCurrentTarget();
ser.Serialise("", target);
ser.Serialise("", api);
if(!SendPacket(client, ePacket_Handshake, ser))
{
SAFE_DELETE(client);
{
SCOPED_LOCK(RenderDoc::Inst().m_SingleClientLock);
RenderDoc::Inst().m_SingleClientName = L"";
}
return;
}
const int pingtime = 1000; // ping every 1000ms
const int ticktime = 10; // tick every 10ms
int curtime = 0;
vector<wstring> captures;
while(client)
{
if(RenderDoc::Inst().m_RemoteClientThreadShutdown || (client && !client->Connected()))
{
SAFE_DELETE(client);
break;
}
ser.Rewind();
Threading::Sleep(ticktime);
curtime += ticktime;
PacketType packetType = ePacket_Noop;
wstring curapi;
RenderDoc::Inst().GetCurrentDriver(driver, curapi);
if(curapi != api)
{
api = curapi;
ser.Serialise("", api);
packetType = ePacket_RegisterAPI;
}
else
{
vector<wstring> caps = RenderDoc::Inst().GetCaptures();
if(caps.size() != captures.size())
{
uint32_t idx = (uint32_t)captures.size();
captures.push_back(caps[idx]);
packetType = ePacket_NewCapture;
uint64_t timestamp = FileIO::GetModifiedTimestamp(captures.back().c_str());
ser.Serialise("", idx);
ser.Serialise("", timestamp);
ser.Serialise("", captures.back());
uint32_t len = 128*1024;
byte *thumb = new byte[len];
RENDERDOC_GetThumbnail(captures.back().c_str(), thumb, len);
size_t l = len;
ser.Serialise("", len);
ser.SerialiseBuffer("", thumb, l);
delete[] thumb;
}
}
if(curtime < pingtime && packetType == ePacket_Noop)
{
if(client->IsRecvDataWaiting())
{
PacketType type;
Serialiser *recvser = NULL;
if(!RecvPacket(client, type, &recvser))
SAFE_DELETE(client);
if(client == NULL)
{
SAFE_DELETE(recvser);
continue;
}
else if(type == ePacket_TriggerCapture)
{
RenderDoc::Inst().TriggerCapture();
}
else if(type == ePacket_QueueCapture)
{
uint32_t frameNum = 0;
recvser->Serialise("", frameNum);
RenderDoc::Inst().QueueCapture(frameNum);
}
else if(type == ePacket_CopyCapture)
{
vector<wstring> caps = RenderDoc::Inst().GetCaptures();
uint32_t id = 0;
recvser->Serialise("", id);
if(id < caps.size())
{
ser.Serialise("", id);
if(!SendPacket(client, ePacket_CopyCapture, ser))
{
SAFE_DELETE(client);
continue;
}
ser.Rewind();
if(!SendChunkedFile(client, ePacket_CopyCapture, caps[id].c_str(), ser, NULL))
{
SAFE_DELETE(client);
continue;
}
RenderDoc::Inst().MarkCaptureRetrieved(id);
}
}
SAFE_DELETE(recvser);
}
continue;
}
curtime = 0;
if(!SendPacket(client, packetType, ser))
{
SAFE_DELETE(client);
continue;
}
}
// give up our connection
{
SCOPED_LOCK(RenderDoc::Inst().m_SingleClientLock);
RenderDoc::Inst().m_SingleClientName = L"";
}
}
void RenderDoc::RemoteAccessServerThread(void *s)
{
Network::Socket *sock = (Network::Socket *)s;
RenderDoc::Inst().m_SingleClientName = L"";
Threading::ThreadHandle clientThread = 0;
RenderDoc::Inst().m_RemoteClientThreadShutdown = false;
while(!RenderDoc::Inst().m_RemoteServerThreadShutdown)
{
Network::Socket *client = sock->AcceptClient(false);
if(client == NULL)
{
if(!sock->Connected())
{
RDCERR("Error in accept - shutting down server");
SAFE_DELETE(sock);
return;
}
Threading::Sleep(5);
continue;
}
wstring existingClient;
wstring newClient;
bool kick = false;
// receive handshake from client and get its name
{
PacketType type;
Serialiser *ser;
if(!RecvPacket(client, type, &ser))
{
SAFE_DELETE(ser);
SAFE_DELETE(client);
continue;
}
if(type != ePacket_Handshake)
{
SAFE_DELETE(ser);
SAFE_DELETE(client);
continue;
}
ser->SerialiseString("", newClient);
ser->Serialise("", kick);
SAFE_DELETE(ser);
if(newClient.empty())
{
SAFE_DELETE(client);
continue;
}
}
// see if we have a client
{
SCOPED_LOCK(RenderDoc::Inst().m_SingleClientLock);
existingClient = RenderDoc::Inst().m_SingleClientName;
}
if(!existingClient.empty() && kick)
{
// forcibly close communication thread which will kill the connection
RenderDoc::Inst().m_RemoteClientThreadShutdown = true;
Threading::JoinThread(clientThread);
Threading::CloseThread(clientThread);
clientThread = 0;
RenderDoc::Inst().m_RemoteClientThreadShutdown = false;
existingClient = L"";
}
if(existingClient.empty())
{
SCOPED_LOCK(RenderDoc::Inst().m_SingleClientLock);
RenderDoc::Inst().m_SingleClientName = newClient;
}
// if we've claimed client status, spawn a thread to communicate
if(existingClient.empty() || kick)
{
clientThread = Threading::CreateThread(RemoteAccessClientThread, client);
continue;
}
else
{
// if we've been asked to kick the existing connection off
// reject this connection and tell them who is busy
Serialiser ser(L"", Serialiser::WRITING, false);
wstring api = L"";
RDCDriver driver;
RenderDoc::Inst().GetCurrentDriver(driver, api);
wstring target = RenderDoc::Inst().GetCurrentTarget();
ser.Serialise("", target);
ser.Serialise("", api);
ser.SerialiseString("", RenderDoc::Inst().m_SingleClientName);
// don't care about errors, we're going to close the connection either way
SendPacket(client, ePacket_Busy, ser);
SAFE_DELETE(client);
}
}
RenderDoc::Inst().m_RemoteClientThreadShutdown = true;
Threading::JoinThread(clientThread);
Threading::CloseThread(clientThread);
clientThread = 0;
}
struct RemoteAccess
{
public:
RemoteAccess(Network::Socket *sock, wstring clientName, bool forceConnection, bool localhost)
: m_Socket(sock), m_Local(localhost)
{
PacketType type;
vector<byte> payload;
{
Serialiser ser(L"", Serialiser::WRITING, false);
ser.SerialiseString("", clientName);
ser.Serialise("", forceConnection);
if(!SendPacket(m_Socket, ePacket_Handshake, ser))
{
SAFE_DELETE(m_Socket);
return;
}
}
Serialiser *ser = NULL;
GetPacket(type, ser);
RDCASSERT(type == ePacket_Handshake || type == ePacket_Busy);
if(type == ePacket_Handshake)
{
ser->Serialise("", m_Target);
ser->Serialise("", m_API);
RDCLOG("Got remote handshake: %ls (%ls)", m_Target.c_str(), m_API.c_str());
}
else if(type == ePacket_Busy)
{
ser->Serialise("", m_Target);
ser->Serialise("", m_API);
ser->Serialise("", m_BusyClient);
RDCLOG("Got remote busy signal: %ls (%ls) owned by %ls", m_Target.c_str(), m_API.c_str(), m_BusyClient.c_str());
}
SAFE_DELETE(ser);
}
bool Connected() { return m_Socket != NULL && m_Socket->Connected(); }
void Shutdown()
{
SAFE_DELETE(m_Socket);
delete this;
}
const wchar_t *GetTarget()
{
return m_Target.c_str();
}
const wchar_t *GetAPI()
{
return m_API.c_str();
}
const wchar_t *GetBusyClient()
{
return m_BusyClient.c_str();
}
void TriggerCapture()
{
if(!SendPacket(m_Socket, ePacket_TriggerCapture))
SAFE_DELETE(m_Socket);
}
void QueueCapture(uint32_t frameNumber)
{
Serialiser ser(L"", Serialiser::WRITING, false);
ser.Serialise("", frameNumber);
if(!SendPacket(m_Socket, ePacket_QueueCapture, ser))
{
SAFE_DELETE(m_Socket);
return;
}
}
void CopyCapture(uint32_t remoteID, const wchar_t *localpath)
{
Serialiser ser(L"", Serialiser::WRITING, false);
ser.Serialise("", remoteID);
if(!SendPacket(m_Socket, ePacket_CopyCapture, ser))
{
SAFE_DELETE(m_Socket);
return;
}
m_CaptureCopies[remoteID] = localpath;
}
void ReceiveMessage(RemoteMessage *msg)
{
if(m_Socket == NULL)
{
msg->Type = eRemoteMsg_Disconnected;
return;
}
if(!m_Socket->IsRecvDataWaiting())
{
if(!m_Socket->Connected())
{
SAFE_DELETE(m_Socket);
msg->Type = eRemoteMsg_Disconnected;
}
else
{
Threading::Sleep(2);
msg->Type = eRemoteMsg_Noop;
}
return;
}
PacketType type;
Serialiser *ser = NULL;
GetPacket(type, ser);
if(m_Socket == NULL)
{
SAFE_DELETE(ser);
msg->Type = eRemoteMsg_Disconnected;
return;
}
else
{
if(type == ePacket_Noop)
{
SAFE_DELETE(ser);
RDCDEBUG("Got a no-op");
msg->Type = eRemoteMsg_Noop;
return;
}
else if(type == ePacket_Busy)
{
wstring existingClient;
ser->Serialise("", existingClient);
SAFE_DELETE(ser);
SAFE_DELETE(m_Socket);
RDCLOG("Got busy signal: '%ls", existingClient.c_str());
msg->Type = eRemoteMsg_Busy;
msg->Busy.ClientName = existingClient;
return;
}
else if(type == ePacket_CopyCapture)
{
msg->Type = eRemoteMsg_CaptureCopied;
ser->Serialise("", msg->NewCapture.ID);
SAFE_DELETE(ser);
msg->NewCapture.localpath = m_CaptureCopies[msg->NewCapture.ID];
if(!RecvChunkedFile(m_Socket, ePacket_CopyCapture, msg->NewCapture.localpath.elems, ser, NULL))
{
SAFE_DELETE(ser);
SAFE_DELETE(m_Socket);
msg->Type = eRemoteMsg_Disconnected;
return;
}
m_CaptureCopies.erase(msg->NewCapture.ID);
SAFE_DELETE(ser);
return;
}
else if(type == ePacket_NewCapture)
{
msg->Type = eRemoteMsg_NewCapture;
ser->Serialise("", msg->NewCapture.ID);
ser->Serialise("", msg->NewCapture.timestamp);
wstring path;
ser->Serialise("", path);
msg->NewCapture.localpath = path;
if(!m_Local)
msg->NewCapture.localpath = L"";
uint32_t thumblen = 0;
ser->Serialise("", thumblen);
create_array_uninit(msg->NewCapture.thumbnail, thumblen);
size_t l = 0;
byte *buf = &msg->NewCapture.thumbnail[0];
ser->SerialiseBuffer("", buf, l);
RDCLOG("Got a new capture: %d (time %llu) %d byte thumbnail", msg->NewCapture.ID, msg->NewCapture.timestamp, thumblen);
SAFE_DELETE(ser);
return;
}
else if(type == ePacket_RegisterAPI)
{
msg->Type = eRemoteMsg_RegisterAPI;
ser->Serialise("", m_API);
msg->RegisterAPI.APIName = m_API;
RDCLOG("Used API: %ls", m_API.c_str());
SAFE_DELETE(ser);
return;
}
}
SAFE_DELETE(ser);
msg->Type = eRemoteMsg_Noop;
}
private:
Network::Socket *m_Socket;
bool m_Local;
wstring m_Target, m_API, m_BusyClient;
map<uint32_t, wstring> m_CaptureCopies;
void GetPacket(PacketType &type, Serialiser *&ser)
{
if(!RecvPacket(m_Socket, type, &ser))
SAFE_DELETE(m_Socket);
}
};
extern "C" RENDERDOC_API void RENDERDOC_CC RemoteAccess_Shutdown(RemoteAccess *access)
{ access->Shutdown(); }
extern "C" RENDERDOC_API const wchar_t* RENDERDOC_CC RemoteAccess_GetTarget(RemoteAccess *access)
{ return access->GetTarget(); }
extern "C" RENDERDOC_API const wchar_t* RENDERDOC_CC RemoteAccess_GetAPI(RemoteAccess *access)
{ return access->GetAPI(); }
extern "C" RENDERDOC_API const wchar_t* RENDERDOC_CC RemoteAccess_GetBusyClient(RemoteAccess *access)
{ return access->GetBusyClient(); }
extern "C" RENDERDOC_API void RENDERDOC_CC RemoteAccess_TriggerCapture(RemoteAccess *access)
{ access->TriggerCapture(); }
extern "C" RENDERDOC_API void RENDERDOC_CC RemoteAccess_QueueCapture(RemoteAccess *access, uint32_t frameNumber)
{ access->QueueCapture(frameNumber); }
extern "C" RENDERDOC_API void RENDERDOC_CC RemoteAccess_CopyCapture(RemoteAccess *access, uint32_t remoteID, const wchar_t *localpath)
{ access->CopyCapture(remoteID, localpath); }
extern "C" RENDERDOC_API void RENDERDOC_CC RemoteAccess_ReceiveMessage(RemoteAccess *access, RemoteMessage *msg)
{ access->ReceiveMessage(msg); }
extern "C" RENDERDOC_API
RemoteAccess * RENDERDOC_CC RENDERDOC_CreateRemoteAccessConnection(const wchar_t *host, uint32_t ident, const wchar_t *clientName, bool forceConnection)
{
wstring s = L"localhost";
if(host != NULL && host[0] != L'\0')
s = host;
bool localhost = (s == L"localhost");
Network::Socket *sock = Network::CreateClientSocket(s.c_str(), ident&0xffff, 3000);
if(sock == NULL)
return NULL;
RemoteAccess *remote = new RemoteAccess(sock, clientName, forceConnection, localhost);
if(remote->Connected())
return remote;
delete remote;
return NULL;
}