최종완료보고 버전

2026-05-20 03:08:08 +09:00
commit 10d255ed51
548 changed files with 435582 additions and 0 deletions
@@ -0,0 +1,106 @@
+
+#include "huslib.h"
+#include "huslibex.h"
+#include "MultiplexSocket.h"
+#include "MultiplexTransport.h"
+
+
+HTelnetHandler::HTelnetHandler()
+{
+	m_nCommandBufferedLength = 0;
+	m_bInitialStep = 0;
+}
+
+HTelnetHandler::~HTelnetHandler()
+{
+}
+
+void HTelnetHandler::OnReceivedStatusFromTransport(int nStatus)
+{
+	if (nStatus == HTransport::T_BEGIN_TRANSPORT)
+	{
+		char bufSend[4];
+		bufSend[0] = (char)IAC;
+		bufSend[1] = (char)WILL;
+		bufSend[2] = (char)SGAHEAD;
+				
+		SendToTransport(bufSend, 3);
+	}
+}
+
+int HTelnetHandler::OnReceivedFromTransport(const char * pData, int nSize)
+{
+	if (m_bInitialStep == 0 && pData[0] == (char)IAC && pData[1] == (char)DO &&
+		pData[2] == (char)SGAHEAD)
+	{
+		if (m_bInitialStep != 0)
+			return -1;	// close connection
+
+		m_bInitialStep = 1;
+
+		char bufSend[4];	
+		bufSend[0] = (char)IAC;
+		bufSend[1] = (char)WILL;
+		bufSend[2] = (char)ECHO;
+		
+		SendToTransport(bufSend, 3);
+		return 0;
+	}
+	else if (m_bInitialStep == 1 && pData[0] == (char)IAC && pData[1] == (char)DO &&
+		pData[2] == (char)ECHO)
+	{
+		if (m_bInitialStep != 1)
+			return -1;	// close connection
+
+		m_bInitialStep = 2;
+
+		OnEstablished();
+		return 0;
+	}
+
+	if (pData[0] == '\t' ||	((nSize >= 3 && pData[0] == 0x1b && pData[1] == 0x5b) &&
+		(pData[2] == 0x41 ||	// up
+		pData[2] == 0x42 ||	// down
+		pData[2] == 0x43 ||	// right
+		pData[2] == 0x44)))	// left
+	{
+		return 0;
+	}
+	else if (pData[0] == '\b')
+	{
+		if (m_nCommandBufferedLength > 0)
+			m_nCommandBufferedLength--;
+
+		SendToTransport("\b \b", 3);
+		return 0;
+	}
+
+	if (m_bInitialStep == 2 && OnInitialReceive(pData, nSize))
+		m_bInitialStep = 3;
+	
+	if (m_bInitialStep == 3)
+		SendToTransport(pData, nSize);
+
+	memcpy(m_pCommandBuffer + m_nCommandBufferedLength, pData, nSize);
+	m_nCommandBufferedLength += nSize;
+
+	HString strTemp(pData, nSize);
+	if (strTemp.Find('\n') > 0)
+	{
+		for (int i = m_nCommandBufferedLength - 1; i >= 0; i--)
+		{
+			if (m_pCommandBuffer[i] == '\r' || m_pCommandBuffer[i] == '\n')
+				m_pCommandBuffer[i] = '\0';
+		}
+		
+		int nResult = OnReceivedCommand(m_pCommandBuffer);
+		m_nCommandBufferedLength = 0;
+
+		if (nResult >= 0)
+			SendToTransport("> ", 2);
+
+		return nResult;
+	}
+
+	return 0;
+}