1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
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); /*Flawfinder: ignore*/
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
|
