1 files changed, 143 insertions, 0 deletions
diff --git a/indra/llmessage/llpacketack.h b/indra/llmessage/llpacketack.h
new file mode 100644
index 0000000000..1b62dc9415
--- /dev/null
+++ b/indra/llmessage/llpacketack.h
@@ -0,0 +1,143 @@
+/** 
+ * @file llpacketack.h
+ * @brief Reliable UDP helpers for the message system.
+ *
+ * Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLPACKETACK_H
+#define LL_LLPACKETACK_H
+
+#include <cstring>
+#include <stdio.h>
+
+#include "llerror.h"
+#include "lltimer.h"
+#include "llhost.h"
+
+//class LLPacketAck
+//{
+//public:
+//	LLHost mHost;
+//	TPACKETID          mPacketID;
+//public:
+//	LLPacketAck(const LLHost &host, TPACKETID packet_id)
+//		{
+//			mHost = host;
+//			mPacketID = packet_id;
+//		};
+//	~LLPacketAck(){};
+//};
+
+class LLReliablePacketParams
+{
+public:
+	LLHost	mHost;
+	S32				mRetries;
+	BOOL			mPingBasedRetry;
+	F32				mTimeout;
+	void			(*mCallback)(void **,S32);
+	void			**mCallbackData;
+	char			*mMessageName;
+
+public:
+	LLReliablePacketParams()
+	{
+		mRetries = 0;
+		mPingBasedRetry = TRUE;
+		mTimeout = 0.f;
+		mCallback = NULL;
+		mCallbackData = NULL;
+		mMessageName = NULL;
+	};
+
+	~LLReliablePacketParams() { };
+
+	void set (	const LLHost &host, S32 retries, BOOL ping_based_retry,
+				F32 timeout, 
+				void (*callback)(void **,S32), void **callback_data, char *name )
+	{
+		mHost = host;
+		mRetries = retries;
+		mPingBasedRetry = ping_based_retry;
+		mTimeout = timeout;
+		mCallback = callback;
+		mCallbackData = callback_data;
+		mMessageName = name;
+	};
+};
+
+class LLReliablePacket
+{
+public:
+	LLReliablePacket(S32 socket, U8 *buf_ptr, S32 buf_len, LLReliablePacketParams *params) :
+		mBuffer(NULL),
+		mBufferLength(0)
+	{
+		if (params)
+		{
+			mHost = params->mHost;
+			mRetries = params->mRetries;
+			mPingBasedRetry = params->mPingBasedRetry;
+			mTimeout = params->mTimeout;
+			mCallback = params->mCallback;
+			mCallbackData = params->mCallbackData;
+			mMessageName = params->mMessageName;
+		}
+		else
+		{
+			mRetries = 0;
+			mPingBasedRetry = TRUE;
+			mTimeout = 0.f;
+			mCallback = NULL;
+			mCallbackData = NULL;
+			mMessageName = NULL;
+		}
+
+		mExpirationTime = (F64)((S64)totalTime())/1000000.0 + mTimeout;
+		mPacketID = buf_ptr[1] + ((buf_ptr[0] & 0x0f ) * 256);
+		if (sizeof(TPACKETID) == 4)
+		{
+			mPacketID *= 256;
+			mPacketID += buf_ptr[2];
+			mPacketID *= 256;
+			mPacketID += buf_ptr[3];
+		}
+
+		mSocket = socket;
+		if (mRetries)
+		{
+			mBuffer = new U8[buf_len];
+			if (mBuffer != NULL)
+			{
+				memcpy(mBuffer,buf_ptr,buf_len);
+				mBufferLength = buf_len;
+			}
+			
+		}
+	};
+	~LLReliablePacket(){ delete [] mBuffer; };
+
+	friend class LLCircuitData;
+protected:
+	S32				mSocket;
+	LLHost	        mHost;
+	S32				mRetries;
+	BOOL			mPingBasedRetry;
+	F32				mTimeout;
+	void			(*mCallback)(void **,S32);
+	void			**mCallbackData;
+	char			*mMessageName;
+	
+	U8				*mBuffer;
+	S32				mBufferLength;
+
+	TPACKETID				mPacketID;
+
+	F64				mExpirationTime;
+	
+};
+
+#endif
+