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
|
/*
* Packet.h
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_NET_PACKET_H_
#define MAD_NET_PACKET_H_
#include <cstdlib>
#include <cstring>
#include <netinet/in.h>
#include <stdint.h>
namespace Mad {
namespace Net {
class Packet {
public:
enum Type {
OK = 0x0000, ERROR = 0x0001, DISCONNECT = 0x0002,
GSSAPI_AUTH = 0x0010, IDENTIFY = 0x0011,
CORE_STATUS = 0x0020, DAEMON_STATUS = 0x0021
};
struct Data {
uint16_t type;
uint16_t requestId;
uint16_t reserved;
uint16_t length;
uint8_t data[0];
};
protected:
Data *rawData;
void setLength(uint16_t length) {
rawData->length = htons(length);
rawData = (Data*)std::realloc(rawData, getRawDataLength());
}
public:
Packet(Type type, uint16_t requestId, const void *data = 0, uint16_t length = 0);
Packet(const Packet &p) {
rawData = (Data*)std::malloc(p.getRawDataLength());
std::memcpy(rawData, p.rawData, p.getRawDataLength());
}
virtual ~Packet() {
std::free(rawData);
}
Packet& operator=(const Packet &p);
Type getType() const {
return (Type)ntohs(rawData->type);
}
uint16_t getRequestId() const {
return ntohs(rawData->requestId);
}
uint16_t getLength() const {
return ntohs(rawData->length);
}
const uint8_t* getData() const {
return rawData->data;
}
const Data* getRawData() const {
return rawData;
}
unsigned long getRawDataLength() const {
return sizeof(Data) + ntohs(rawData->length);
}
};
}
}
#endif /*MAD_NET_PACKET_H_*/
|
