LosaDev source snapshot 2019

extra/LS_Service/LS_network/cConnector.cpp

@@ -0,0 +1,160 @@
+// cConnector.cpp: implementation of the cConnector class.
+//
+//////////////////////////////////////////////////////////////////////
+
+
+#include "stdafx.h"
+#include "cPacket.h"
+#include "cBuffer.h"
+#include "cSystem.h"
+#include "cConnector.h"
+#include "../include/cSingleton.h"
+
+
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+cConnector::cConnector() : m_ID(-1), m_sequence(0), m_packet(NULL)
+{
+	Init();
+}
+
+cConnector::~cConnector()
+{
+	Destroy();
+}
+
+void cConnector::Init()
+{
+	uint32 maxPacket = cSingleton<cSystem>::GetInstance()->GetPacket();
+	uint32 encoding = cSingleton<cSystem>::GetInstance()->GetEncoding();
+
+	m_packet = new cPacket( encoding );
+	m_storage.Create( maxPacket * 4 );
+	m_temporary.Create( maxPacket * 4 );
+}
+
+void cConnector::Destroy()
+{
+	if(m_packet)
+	{
+		delete m_packet;
+		m_packet = NULL;
+	}
+}
+
+//////////////////////////////////////////////////////////////////////
+// operation
+//////////////////////////////////////////////////////////////////////
+
+BOOL cConnector::SendPacket(	const uint32 command,
+								const uint8* buffer,
+								const uint32 length )
+{
+	m_packet->Make(	static_cast<uint16>(command), 
+					buffer, 
+					static_cast<uint16>(length),
+					static_cast<uint8>(GetSequence()) );
+
+	return Send( m_packet->GetBuffer(), m_packet->GetLength() );
+}
+
+void cConnector::OnConnected()
+{
+	cSystem* system = cSingleton<cSystem>::GetInstance();
+		
+	PushCommand( 
+		system->GetConnectEvent(),
+		NULL,
+		0 );
+
+	m_sequence = 0;
+}
+
+
+void cConnector::OnDisconnected()
+{
+	cSystem* system = cSingleton<cSystem>::GetInstance();
+	
+	PushCommand( 
+		system->GetDisconnectEvent(),
+		NULL,
+		0 );
+}
+
+void cConnector::OnReceived( uint8* buffer, const uint32 length )
+{
+	// 임시버퍼에 보관된 데이타와 현재받은 데이타를 복사한다
+	if( !m_temporary.Copy( m_storage.GetBuffer(), m_storage.GetLength() ) ) 
+	{
+		return;
+	}
+	if( !m_temporary.Append( buffer, length ) ) 
+	{
+		return;
+	}
+		 
+	m_storage.Erase();
+
+	// 임시버퍼에 저장된 패킷을 검사하고 프로토콜 별로 나누어서 command queue에 push
+	CheckPacket( m_temporary.GetBuffer(), m_temporary.GetLength() );
+}
+
+void cConnector::CheckPacket( uint8* buffer, uint32 length )
+{
+	// 패킷의 유효성 검사
+	if( length < sizeof(cHeader) )	
+	{
+		// 헤더보다 작은 패킷이 들어왔을 경우 처리하지 않는다
+		m_storage.Copy( buffer, length );
+		return;
+	}
+	
+	// 헤더정보 검사
+	cHeader* header = reinterpret_cast<cHeader*>(buffer);
+	//if( !header->IsPerfect() ) // 2011-02-25 youngdie, 유효성 검사 삭제
+	//{
+	//	// 잘못된 헤더가 들어왔을때 패킷을 drop한다
+	//	return;
+	//}
+
+	// 패킷 헤더에 따른 길이 검사
+	uint32 packetLength = sizeof(cHeader) + header->GetPayload();
+	if( length < packetLength ) // 패킷길이가 잘려서 들어왔다
+	{
+		// 저장하고 리턴
+		m_storage.Copy( buffer, length );
+	}
+	else if( length == packetLength ) // 패킷길이가 정확하게 들어왔다
+	{
+		PushCommand(	header->GetCommand(),
+						buffer + sizeof(cHeader), 
+						header->GetPayload() );
+	}
+	else if( length > packetLength )	// 패킷길이가 붙어서 들어왔다
+	{
+		PushCommand(	header->GetCommand(),
+						buffer + sizeof(cHeader), 
+						header->GetPayload() );
+
+		// 다음 버퍼 포인터로 이동하여 재검사
+		CheckPacket( buffer + packetLength, length - packetLength );
+	}
+}
+
+void cConnector::PushCommand( uint32 command, uint8* buffer, uint32 length )
+{
+	// 받은 패킷을 Command큐에 입력한다
+	cCommandQueue* commandQueue = cSingleton<cSystem>::GetInstance()->GetCommandQueue();
+	if( commandQueue )
+	{
+		commandQueue->PushCommand(		GetIdentity(),
+										command,
+										buffer,
+										static_cast<uint16>(length) );
+	}
+}
+