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-rw-r--r--src/RCONServer.cpp155
-rw-r--r--src/RCONServer.h61
2 files changed, 116 insertions, 100 deletions
diff --git a/src/RCONServer.cpp b/src/RCONServer.cpp
index 49ca4fc61..2ec7f191f 100644
--- a/src/RCONServer.cpp
+++ b/src/RCONServer.cpp
@@ -39,6 +39,43 @@ enum
////////////////////////////////////////////////////////////////////////////////
+// cRCONListenCallbacks:
+
+class cRCONListenCallbacks:
+ public cNetwork::cListenCallbacks
+{
+public:
+ cRCONListenCallbacks(cRCONServer & a_RCONServer, UInt16 a_Port):
+ m_RCONServer(a_RCONServer),
+ m_Port(a_Port)
+ {
+ }
+
+protected:
+ /** The RCON server instance that we're attached to. */
+ cRCONServer & m_RCONServer;
+
+ /** The port for which this instance is responsible. */
+ UInt16 m_Port;
+
+ // cNetwork::cListenCallbacks overrides:
+ virtual cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) override
+ {
+ LOG("RCON Client \"%s\" connected!", a_RemoteIPAddress.c_str());
+ return std::make_shared<cRCONServer::cConnection>(m_RCONServer, a_RemoteIPAddress);
+ }
+ virtual void OnAccepted(cTCPLink & a_Link) override {}
+ virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override
+ {
+ LOGWARNING("RCON server error on port %d: %d (%s)", m_Port, a_ErrorCode, a_ErrorMsg);
+ }
+};
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
// cRCONCommandOutput:
class cRCONCommandOutput :
@@ -77,9 +114,7 @@ protected:
// cRCONServer:
cRCONServer::cRCONServer(cServer & a_Server) :
- m_Server(a_Server),
- m_ListenThread4(*this, cSocket::IPv4, "RCON"),
- m_ListenThread6(*this, cSocket::IPv6, "RCON")
+ m_Server(a_Server)
{
}
@@ -89,8 +124,10 @@ cRCONServer::cRCONServer(cServer & a_Server) :
cRCONServer::~cRCONServer()
{
- m_ListenThread4.Stop();
- m_ListenThread6.Stop();
+ for (auto srv: m_ListenServers)
+ {
+ srv->Close();
+ }
}
@@ -112,24 +149,28 @@ void cRCONServer::Initialize(cIniFile & a_IniFile)
return;
}
- // Read and initialize both IPv4 and IPv6 ports for RCON
- bool HasAnyPorts = false;
- AString Ports4 = a_IniFile.GetValueSet("RCON", "PortsIPv4", "25575");
- if (m_ListenThread4.Initialize(Ports4))
- {
- HasAnyPorts = true;
- m_ListenThread4.Start();
- }
- AString Ports6 = a_IniFile.GetValueSet("RCON", "PortsIPv6", "25575");
- if (m_ListenThread6.Initialize(Ports6))
+ // Read the listening ports for RCON from config:
+ AStringVector Ports = ReadUpgradeIniPorts(a_IniFile, "RCON", "Ports", "PortsIPv4", "PortsIPv6", "25575");
+
+ // Start listening on each specified port:
+ for (auto port: Ports)
{
- HasAnyPorts = true;
- m_ListenThread6.Start();
+ UInt16 PortNum = static_cast<UInt16>(atol(port.c_str()));
+ if (PortNum == 0)
+ {
+ LOGINFO("Invalid RCON port value: \"%s\". Ignoring.", port.c_str());
+ continue;
+ }
+ auto Handle = cNetwork::Listen(PortNum, std::make_shared<cRCONListenCallbacks>(*this, PortNum));
+ if (Handle->IsListening())
+ {
+ m_ListenServers.push_back(Handle);
+ }
}
- if (!HasAnyPorts)
+
+ if (m_ListenServers.empty())
{
- LOGWARNING("RCON is requested, but no ports are specified. Specify at least one port in PortsIPv4 or PortsIPv6. RCON is now disabled.");
- return;
+ LOGWARNING("RCON is enabled but no valid ports were found. RCON is not accessible.");
}
}
@@ -137,40 +178,33 @@ void cRCONServer::Initialize(cIniFile & a_IniFile)
-void cRCONServer::OnConnectionAccepted(cSocket & a_Socket)
-{
- if (!a_Socket.IsValid())
- {
- return;
- }
+////////////////////////////////////////////////////////////////////////////////
+// cRCONServer::cConnection:
- LOG("RCON Client \"%s\" connected!", a_Socket.GetIPString().c_str());
-
- // Create a new cConnection object, it will be deleted when the connection is closed
- m_SocketThreads.AddClient(a_Socket, new cConnection(*this, a_Socket));
+cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, const AString & a_IPAddress) :
+ m_IsAuthenticated(false),
+ m_RCONServer(a_RCONServer),
+ m_IPAddress(a_IPAddress)
+{
}
-////////////////////////////////////////////////////////////////////////////////
-// cRCONServer::cConnection:
-
-cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, cSocket & a_Socket) :
- m_IsAuthenticated(false),
- m_RCONServer(a_RCONServer),
- m_Socket(a_Socket),
- m_IPAddress(a_Socket.GetIPString())
+void cRCONServer::cConnection::OnLinkCreated(cTCPLinkPtr a_Link)
{
+ m_Link = a_Link;
}
-bool cRCONServer::cConnection::DataReceived(const char * a_Data, size_t a_Size)
+void cRCONServer::cConnection::OnReceivedData(const char * a_Data, size_t a_Size)
{
+ ASSERT(m_Link != nullptr);
+
// Append data to the buffer:
m_Buffer.append(a_Data, a_Size);
@@ -184,49 +218,45 @@ bool cRCONServer::cConnection::DataReceived(const char * a_Data, size_t a_Size)
LOGWARNING("Received an invalid RCON packet length (%d), dropping RCON connection to %s.",
Length, m_IPAddress.c_str()
);
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- m_Socket.CloseSocket();
- delete this;
- return false;
+ m_Link->Close();
+ m_Link.reset();
+ return;
}
- if (Length > (int)(m_Buffer.size() + 4))
+ if (Length > static_cast<int>(m_Buffer.size() + 4))
{
// Incomplete packet yet, wait for more data to come
- return false;
+ return;
}
int RequestID = IntFromBuffer(m_Buffer.data() + 4);
int PacketType = IntFromBuffer(m_Buffer.data() + 8);
if (!ProcessPacket(RequestID, PacketType, Length - 10, m_Buffer.data() + 12))
{
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- m_Socket.CloseSocket();
- delete this;
- return false;
+ m_Link->Close();
+ m_Link.reset();
+ return;
}
m_Buffer.erase(0, Length + 4);
} // while (m_Buffer.size() >= 14)
- return false;
}
-void cRCONServer::cConnection::GetOutgoingData(AString & a_Data)
+void cRCONServer::cConnection::OnRemoteClosed(void)
{
- a_Data.assign(m_Outgoing);
- m_Outgoing.clear();
+ m_Link.reset();
}
-void cRCONServer::cConnection::SocketClosed(void)
+void cRCONServer::cConnection::OnError(int a_ErrorCode, const AString & a_ErrorMsg)
{
- m_RCONServer.m_SocketThreads.RemoveClient(this);
- delete this;
+ LOGD("Error in RCON connection %s: %d (%s)", m_IPAddress.c_str(), a_ErrorCode, a_ErrorMsg.c_str());
+ m_Link.reset();
}
@@ -311,22 +341,21 @@ void cRCONServer::cConnection::IntToBuffer(int a_Value, char * a_Buffer)
void cRCONServer::cConnection::SendResponse(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload)
{
ASSERT((a_PayloadLength == 0) || (a_Payload != nullptr)); // Either zero data to send, or a valid payload ptr
+ ASSERT(m_Link != nullptr);
char Buffer[4];
int Length = a_PayloadLength + 10;
IntToBuffer(Length, Buffer);
- m_Outgoing.append(Buffer, 4);
+ m_Link->Send(Buffer, 4);
IntToBuffer(a_RequestID, Buffer);
- m_Outgoing.append(Buffer, 4);
+ m_Link->Send(Buffer, 4);
IntToBuffer(a_PacketType, Buffer);
- m_Outgoing.append(Buffer, 4);
+ m_Link->Send(Buffer, 4);
if (a_PayloadLength > 0)
{
- m_Outgoing.append(a_Payload, a_PayloadLength);
+ m_Link->Send(a_Payload, a_PayloadLength);
}
- m_Outgoing.push_back(0);
- m_Outgoing.push_back(0);
- m_RCONServer.m_SocketThreads.NotifyWrite(this);
+ m_Link->Send("\0", 2); // Send two zero chars as the padding
}
diff --git a/src/RCONServer.h b/src/RCONServer.h
index 47c746736..1d599b279 100644
--- a/src/RCONServer.h
+++ b/src/RCONServer.h
@@ -9,8 +9,7 @@
#pragma once
-#include "OSSupport/SocketThreads.h"
-#include "OSSupport/ListenThread.h"
+#include "OSSupport/Network.h"
@@ -24,8 +23,7 @@ class cIniFile;
-class cRCONServer :
- public cListenThread::cCallback
+class cRCONServer
{
public:
cRCONServer(cServer & a_Server);
@@ -35,72 +33,61 @@ public:
protected:
friend class cRCONCommandOutput;
+ friend class cRCONListenCallbacks;
class cConnection :
- public cSocketThreads::cCallback
+ public cTCPLink::cCallbacks
{
public:
- cConnection(cRCONServer & a_RCONServer, cSocket & a_Socket);
+ cConnection(cRCONServer & a_RCONServer, const AString & a_IPAddress);
protected:
friend class cRCONCommandOutput;
- /// Set to true if the client has successfully authenticated
+ /** Set to true if the client has successfully authenticated */
bool m_IsAuthenticated;
- /// Buffer for the incoming data
+ /** Buffer for the incoming data */
AString m_Buffer;
- /// Buffer for the outgoing data
- AString m_Outgoing;
-
- /// Server that owns this connection and processes requests
+ /** Server that owns this connection and processes requests */
cRCONServer & m_RCONServer;
- /// The socket belonging to the client
- cSocket & m_Socket;
+ /** The TCP link to the client */
+ cTCPLinkPtr m_Link;
- /// Address of the client
+ /** Address of the client */
AString m_IPAddress;
- // cSocketThreads::cCallback overrides:
- virtual bool DataReceived(const char * a_Data, size_t a_Size) override;
- virtual void GetOutgoingData(AString & a_Data) override;
- virtual void SocketClosed(void) override;
+ // cTCPLink::cCallbacks overrides:
+ virtual void OnLinkCreated(cTCPLinkPtr a_Link);
+ virtual void OnReceivedData(const char * a_Data, size_t a_Length) override;
+ virtual void OnRemoteClosed(void) override;
+ virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
- /// Processes the given packet and sends the response; returns true if successful, false if the connection is to be dropped
+ /** Processes the given packet and sends the response; returns true if successful, false if the connection is to be dropped */
bool ProcessPacket(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload);
- /// Reads 4 bytes from a_Buffer and returns the int they represent
+ /** Reads 4 bytes from a_Buffer and returns the int they represent */
int IntFromBuffer(const char * a_Buffer);
- /// Puts 4 bytes representing the int into the buffer
+ /** Puts 4 bytes representing the int into the buffer */
void IntToBuffer(int a_Value, char * a_Buffer);
- /// Sends a RCON packet back to the client
+ /** Sends a RCON packet back to the client */
void SendResponse(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload);
} ;
- /// The server object that will process the commands received
+ /** The server object that will process the commands received */
cServer & m_Server;
- /// The thread(s) that take care of all the traffic on the RCON ports
- cSocketThreads m_SocketThreads;
-
- /// The thread for accepting IPv4 RCON connections
- cListenThread m_ListenThread4;
-
- /// The thread for accepting IPv6 RCON connections
- cListenThread m_ListenThread6;
+ /** The sockets for accepting RCON connections (one socket per port). */
+ cServerHandlePtrs m_ListenServers;
- /// Password for authentication
+ /** Password for authentication */
AString m_Password;
-
-
- // cListenThread::cCallback overrides:
- virtual void OnConnectionAccepted(cSocket & a_Socket) override;
} ;