r5sdk/r5dev/netconsole/netconsole.cpp
2023-05-13 14:04:13 +02:00

405 lines
11 KiB
C++

//=====================================================================================//
//
// Purpose: Lightweight netconsole client.
//
//=====================================================================================//
#include "core/stdafx.h"
#include "core/logdef.h"
#include "core/logger.h"
#include "tier0/utility.h"
#include "tier1/NetAdr.h"
#include "tier2/socketcreator.h"
#include "windows/console.h"
#include "protoc/sv_rcon.pb.h"
#include "protoc/cl_rcon.pb.h"
#include "engine/net.h"
#include "engine/shared/shared_rcon.h"
#include "netconsole/netconsole.h"
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CNetCon::CNetCon(void)
: m_bInitialized(false)
, m_bQuitApplication(false)
, m_bPromptConnect(true)
, m_flTickInterval(0.05f)
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CNetCon::~CNetCon(void)
{
}
//-----------------------------------------------------------------------------
// Purpose: WSA and NETCON systems init
// Output : true on success, false otherwise
//-----------------------------------------------------------------------------
bool CNetCon::Init(void)
{
g_CoreMsgVCallback = &EngineLoggerSink;
WSAData wsaData;
const int nError = ::WSAStartup(MAKEWORD(2, 2), &wsaData);
if (nError != 0)
{
Error(eDLL_T::CLIENT, NO_ERROR, "%s - Failed to start Winsock: (%s)\n", __FUNCTION__, NET_ErrorString(WSAGetLastError()));
return false;
}
m_bInitialized = true;
TermSetup();
DevMsg(eDLL_T::NONE, "R5 TCP net console [Version %s]\n", NETCON_VERSION);
static std::thread frame([this]()
{
for (;;)
{
RunFrame();
}
});
frame.detach();
return true;
}
//-----------------------------------------------------------------------------
// Purpose: WSA and NETCON systems shutdown
// Output : true on success, false otherwise
//-----------------------------------------------------------------------------
bool CNetCon::Shutdown(void)
{
bool bResult = false;
m_Socket.CloseAllAcceptedSockets();
const int nError = ::WSACleanup();
if (nError == 0)
{
bResult = true;
}
else // WSACleanup() failed.
{
Error(eDLL_T::CLIENT, NO_ERROR, "%s - Failed to stop Winsock: (%s)\n",
__FUNCTION__, NET_ErrorString(WSAGetLastError()));
}
SpdLog_Shutdown();
Console_Shutdown();
return bResult;
}
//-----------------------------------------------------------------------------
// Purpose: terminal setup
//-----------------------------------------------------------------------------
void CNetCon::TermSetup(void)
{
g_svCmdLine = GetCommandLineA();
SpdLog_Init();
SpdLog_PostInit();
Console_Init();
}
//-----------------------------------------------------------------------------
// Purpose: gets input IP and port for initialization
//-----------------------------------------------------------------------------
void CNetCon::UserInput(void)
{
if (std::getline(std::cin, m_Input))
{
if (m_Input.compare("nquit") == 0)
{
m_bQuitApplication = true;
return;
}
std::lock_guard<std::mutex> l(m_Mutex);
if (IsConnected())
{
if (m_Input.compare("disconnect") == 0)
{
Disconnect("user closed connection");
return;
}
const vector<string> vSubStrings = StringSplit(m_Input, ' ', 2);
vector<char> vecMsg;
const SocketHandle_t hSocket = GetSocket();
bool bSend = false;
if (vSubStrings.size() > 1)
{
if (vSubStrings[0].compare("PASS") == 0) // Auth with RCON server.
{
bSend = Serialize(vecMsg, vSubStrings[1].c_str(), "",
cl_rcon::request_t::SERVERDATA_REQUEST_AUTH);
}
else if (vSubStrings[0].compare("SET") == 0) // Set value query.
{
if (vSubStrings.size() > 2)
{
bSend = Serialize(vecMsg, vSubStrings[1].c_str(), vSubStrings[2].c_str(),
cl_rcon::request_t::SERVERDATA_REQUEST_SETVALUE);
}
}
else // Execute command query.
{
bSend = Serialize(vecMsg, m_Input.c_str(), "",
cl_rcon::request_t::SERVERDATA_REQUEST_EXECCOMMAND);
}
}
else if (!m_Input.empty()) // Single arg command query.
{
bSend = Serialize(vecMsg, m_Input.c_str(), "", cl_rcon::request_t::SERVERDATA_REQUEST_EXECCOMMAND);
}
if (bSend) // Only send if serialization process was successful.
{
if (!Send(hSocket, vecMsg.data(), int(vecMsg.size())))
{
Error(eDLL_T::CLIENT, NO_ERROR, "Failed to send RCON message: (%s)\n", "SOCKET_ERROR");
}
}
}
else // Setup connection from input.
{
const vector<string> vSubStrings = StringSplit(m_Input, ' ', 2);
if (vSubStrings.size() > 1)
{
const string::size_type nPos = m_Input.find(' ');
if (nPos > 0
&& nPos < m_Input.size()
&& nPos != m_Input.size())
{
string svInPort = m_Input.substr(nPos + 1);
string svInAdr = m_Input.erase(m_Input.find(' '));
if (svInPort.empty() || svInAdr.empty())
{
Warning(eDLL_T::CLIENT, "No IP address or port provided\n");
m_bPromptConnect = true;
return;
}
if (!Connect(svInAdr.c_str(), atoi(svInPort.c_str())))
{
m_bPromptConnect = true;
return;
}
}
}
else // Initialize as [ip]:port.
{
if (m_Input.empty() || !Connect(m_Input.c_str()))
{
m_bPromptConnect = true;
return;
}
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: clears the input buffer
//-----------------------------------------------------------------------------
void CNetCon::ClearInput(void)
{
m_Input.clear();
}
//-----------------------------------------------------------------------------
// Purpose: client's main processing loop
//-----------------------------------------------------------------------------
void CNetCon::RunFrame(void)
{
if (IsInitialized() && IsConnected())
{
std::lock_guard<std::mutex> l(m_Mutex);
CConnectedNetConsoleData* pData = m_Socket.GetAcceptedSocketData(0);
Recv(pData);
}
else if (m_bPromptConnect)
{
DevMsg(eDLL_T::NONE, "Enter [<IP>]:<PORT> or <IP> <PORT>: ");
m_bPromptConnect = false;
}
std::this_thread::sleep_for(IntervalToDuration(m_flTickInterval));
}
//-----------------------------------------------------------------------------
// Purpose: checks if application should be terminated
// Output : true for termination, false otherwise
//-----------------------------------------------------------------------------
bool CNetCon::ShouldQuit(void) const
{
return m_bQuitApplication;
}
//-----------------------------------------------------------------------------
// Purpose: disconnect from current session
// Input : *szReason -
//-----------------------------------------------------------------------------
void CNetCon::Disconnect(const char* szReason)
{
if (IsConnected())
{
if (!szReason)
{
szReason = "unknown reason";
}
DevMsg(eDLL_T::CLIENT, "Disconnect: (%s)\n", szReason);
m_Socket.CloseAcceptedSocket(0);
}
m_bPromptConnect = true;
}
//-----------------------------------------------------------------------------
// Purpose: processes received message
// Input : *pMsgBuf -
// nMsgLen -
// Output : true on success, false otherwise
//-----------------------------------------------------------------------------
bool CNetCon::ProcessMessage(const char* pMsgBuf, const int nMsgLen)
{
sv_rcon::response response;
bool bSuccess = Decode(&response, pMsgBuf, nMsgLen);
if (!bSuccess)
{
Error(eDLL_T::CLIENT, NO_ERROR, "Failed to decode RCON buffer\n");
return false;
}
switch (response.responsetype())
{
case sv_rcon::response_t::SERVERDATA_RESPONSE_AUTH:
{
if (!response.responseval().empty())
{
const long i = strtol(response.responseval().c_str(), NULL, NULL);
if (!i) // sv_rcon_sendlogs is not set.
{
vector<char> vecMsg;
bool ret = Serialize(vecMsg, "", "1", cl_rcon::request_t::SERVERDATA_REQUEST_SEND_CONSOLE_LOG);
if (ret && !Send(GetSocket(), vecMsg.data(), int(vecMsg.size())))
{
Error(eDLL_T::CLIENT, NO_ERROR, "Failed to send RCON message: (%s)\n", "SOCKET_ERROR");
}
}
}
DevMsg(eDLL_T::NETCON, "%s", response.responsemsg().c_str());
break;
}
case sv_rcon::response_t::SERVERDATA_RESPONSE_CONSOLE_LOG:
{
NetMsg(static_cast<LogType_t>(response.messagetype()),
static_cast<eDLL_T>(response.messageid()),
response.responseval().c_str(), "%s", response.responsemsg().c_str());
break;
}
default:
{
break;
}
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: serializes message to vector
// Input : &vecBuf -
// *szReqBuf -
// *svReqVal -
// requestType -
// Output : true on success, false otherwise
//-----------------------------------------------------------------------------
bool CNetCon::Serialize(vector<char>& vecBuf, const char* szReqBuf,
const char* szReqVal, const cl_rcon::request_t requestType) const
{
return CL_NetConSerialize(this, vecBuf, szReqBuf, szReqVal, requestType);
}
//-----------------------------------------------------------------------------
// Purpose: retrieves the remote socket
// Output : SOCKET_ERROR (-1) on failure
//-----------------------------------------------------------------------------
SocketHandle_t CNetCon::GetSocket(void)
{
return SH_GetNetConSocketHandle(this, 0);
}
//-----------------------------------------------------------------------------
// Purpose: returns whether the rcon client is initialized
//-----------------------------------------------------------------------------
bool CNetCon::IsInitialized(void) const
{
return m_bInitialized;
}
//-----------------------------------------------------------------------------
// Purpose: returns whether the rcon client is connected
//-----------------------------------------------------------------------------
bool CNetCon::IsConnected(void)
{
return (GetSocket() != SOCKET_ERROR);
}
//-----------------------------------------------------------------------------
// Purpose: entrypoint
// Input : argc -
// *argv -
//-----------------------------------------------------------------------------
int main(int argc, char* argv[])
{
if (!NetConsole()->Init())
{
return EXIT_FAILURE;
}
if (argc >= 3) // Get IP and Port from command line.
{
if (!NetConsole()->Connect(argv[1], atoi(argv[2])))
{
return EXIT_FAILURE;
}
}
while (!NetConsole()->ShouldQuit())
{
NetConsole()->UserInput();
NetConsole()->ClearInput();
}
if (!NetConsole()->Shutdown())
{
return EXIT_FAILURE;
}
return ERROR_SUCCESS;
}
//-----------------------------------------------------------------------------
// singleton
//-----------------------------------------------------------------------------
CNetCon g_NetCon;
inline CNetCon* NetConsole()
{
return &g_NetCon;
}