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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* internal.h
* Anindo Banerjea (banerjea@tenet)
*/
#ifndef INTERNAL_H
#define INTERNAL_H
/*
* Structures which make up the internal representation of
* the RCAP message
*/
typedef struct RcapHeader
{
unsigned char rcap_id;
unsigned char message_type;
unsigned short sequence_number;
unsigned int originator_address;
unsigned int source_address;
unsigned short source_lcid;
unsigned int destination_address;
unsigned short destination_port;
unsigned short rcap_message_length;
/* Warning: Dependency with
* RcapInternalMessage.message_length
* And with level_length on the
* last NSR
*/
unsigned short header_checksum;
unsigned short message_checksum;
} RcapHeader;
typedef struct RmtpHeaderRecord
{
unsigned short hr_length;
unsigned short level_count;
unsigned char protocol;
unsigned char subprotocol;
unsigned char rtip_options;
unsigned int xmin;
unsigned int xave;
unsigned int I;
unsigned int smax;
unsigned int D;
unsigned int J;
unsigned int Z;
unsigned int W;
unsigned int U;
unsigned char type;
unsigned char rmtp_options;
unsigned short user_control_length;
/* Variable length user field is here in the
* actual Rcap message but not in this structure
*/
}RmtpHeaderRecord;
typedef struct RcapInternetNSR
{
unsigned short level_length; /* length field */
unsigned short er_count;
unsigned short nsr_length;
unsigned short lcid;
unsigned int xmin;
unsigned int xave;
unsigned int I;
unsigned int smax;
unsigned int D;
unsigned int J;
unsigned int Z;
unsigned int W;
unsigned int U;
unsigned char type;
unsigned int Dcumul;
unsigned int Drelax;
}RcapInternetNSR;
typedef struct RcapInternetER
{
unsigned short er_length; /* length field */
unsigned short er_number;
unsigned int node_address;
/* unsigned int dl; -|
* unsigned int dn; > The old values now we carry
* unsigned int j; _| the folowing four
*
*/
unsigned int d_fixed_min; /* Segment delay values */
unsigned int d_fixed_max;
unsigned int d_var_min;
unsigned int d_var_max;
unsigned int z;
unsigned int w;
unsigned int u;
unsigned int B;
unsigned int b;
unsigned int f_ip;
unsigned short f_lcid;
unsigned short f_ifn;
unsigned int b_ip;
unsigned short b_lcid;
unsigned short b_ifn;
unsigned int dcumul;
unsigned short d_relax_numerator;
unsigned short d_relax_denominator;
} RcapInternetER;
typedef struct RcapInternetSRR
{
unsigned short srr_length;
unsigned short srr_type;
unsigned int node_address;
unsigned int d_fixed_min; /* node delay values */
unsigned int d_fixed_max;
unsigned int d_var_min;
unsigned int d_var_max;
/* unsigned int d; > Old values
* unsigned int j; > Old values
*/
unsigned int z;
unsigned int w;
unsigned int u;
unsigned int buffers;
unsigned short state;
} RcapInternetSRR;
typedef struct RcapEstablishDenied
{
unsigned short reason_code;
} RcapEstablishDenied;
typedef struct RcapCloseRequestMess
{
unsigned short reason_code;
} RcapCloseRequestMess;
/*
* Internal representations of pseudo-messages (local messages between
* RCAP library and local RCAP daemon only).
*
* Note: Reserved fields not present in these structures; recommend
* they be removed from previously-defined structures as well. bmah's
* nethost module eliminates the need for these fields.
*/
typedef struct RcapReturn {
unsigned short return_code;
} RcapReturn;
typedef struct RcapRegisterMess {
unsigned short port;
unsigned long queue_length;
unsigned short protocol;
unsigned short subprotocol;
} RcapRegisterMess;
typedef struct RcapUnregisterMess {
unsigned short port;
} RcapUnregisterMess;
typedef struct RcapReceiveRequestMess {
unsigned short port;
} RcapReceiveRequestMess;
typedef struct RcapReturnParmsMess {
unsigned short lcid;
} RcapReturnParmsMess;
typedef struct RcapEstablishReturnMess {
unsigned short lcid;
unsigned short result;
unsigned short reason_code;
unsigned short user_control_length;
} RcapEstablishReturnMess;
#endif INTERNAL_H
|
