summaryrefslogtreecommitdiff
path: root/print_lbx.c
blob: 3dcdda560d437abd8ed4e303f55ee2dca6bc8610 (plain)
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
178
179
180
181
182
183
184
185
186
187
188
/*
 * Copyright 1992 Network Computing Devices
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of NCD. not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  NCD. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, Network Computing Devices
 */

#include "scope.h"
#include "x11.h"
#include "lbxscope.h"

static unsigned long sequences[256];
static unsigned char starting_server[256];
static unsigned char starting_client[256];
static int client_client;

void
LbxQueryVersion(FD fd, const unsigned char *buf)
{
    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST, LBXREQUESTHEADER); /* LbxSwitch */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
}

void
LbxQueryVersionReply(FD fd, const unsigned char *buf)
{
    PrintField(RBf, 0, 1, REPLY, REPLYHEADER); /* LbxRequest reply */
    PrintField(RBf, 1, 1, LBXREPLY,
               LBXREPLYHEADER); /* LbxQueryVersion reply */
    if (Verbose < 1)
        return;
    printfield(buf, 2, 2, CARD16, "sequence number");
    printfield(buf, 4, 4, DVALUE4(0), "reply length");
    PrintField(buf, 8, 2, CARD16, "major-version");
    PrintField(buf, 10, 2, CARD16, "minor-version");
}

void
LbxStartProxy(FD fd, const unsigned char *buf)
{
    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST, LBXREQUESTHEADER); /* LbxSwitch */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
}

void
LbxStopProxy(FD fd, const unsigned char *buf)
{
    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST, LBXREQUESTHEADER); /* LbxSwitch */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
}

void
LbxNewClient(FD fd, const unsigned char *buf)
{
    unsigned long c;

    c = ILong(&buf[4]);
    starting_client[c] = 1;
    starting_server[c] = 1;
    sequences[c] = 0;

    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST, LBXREQUESTHEADER); /* LbxSwitch */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
    PrintField(buf, 4, 4, CARD32, "new-client-id");
}

void
LbxCloseClient(FD fd, const unsigned char *buf)
{
}

void
LbxSwitch(FD fd, const unsigned char *buf)
{
    unsigned long c;

    c = ILong(&buf[4]);
    CS[fd].SequenceNumber--;
    sequences[client_client] = CS[fd].SequenceNumber;
    if (starting_client[c]) {
        CS[fd].ByteProcessing = StartSetUpMessage;
        CS[fd].NumberofBytesNeeded = 12;
        starting_client[c] = 0;
    }
    CS[fd].SequenceNumber = sequences[c];
    client_client = c;

    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST, LBXREQUESTHEADER); /* LbxSwitch */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
    PrintField(buf, 4, 4, CARD32, "client number");
}

void
LbxModifySequence(FD fd, const unsigned char *buf)
{
    int mod;

    mod = ILong(&buf[4]);
    CS[fd].SequenceNumber += mod;

    PrintField(buf, 0, 1, REQUEST, REQUESTHEADER); /* LbxRequest */
    PrintField(buf, 1, 1, LBXREQUEST,
               LBXREQUESTHEADER); /* LbxModifySequence */
    if (Verbose < 1)
        return;
    if (Verbose > 1)
        PrintField(SBf, 0, 4, CARD32, "sequence number");

    printreqlen(buf, fd, CONST2(2));
    printfield(buf, 4, 4, INT32, "adjustment");
}

void
LbxSwitchEvent(FD fd, const unsigned char *buf)
{
    unsigned long c;

    c = ILong(&buf[4]);
    if (starting_server[c]) {
        CS[fd].ByteProcessing = StartSetUpReply;
        CS[fd].NumberofBytesNeeded = 8;
        starting_server[c] = 0;
    }

    PrintField(buf, 0, 1, EVENT, EVENTHEADER); /* LbxEvent */
    PrintField(buf, 1, 1, LBXEVENT, LBXEVENTHEADER); /* LbxSwitchEvent */
    if (Verbose < 1)
        return;
    printfield(buf, 2, 2, CARD16, "sequence number");
    PrintField(buf, 4, 4, CARD32, "client");
}

void
LbxCloseEvent(FD fd, const unsigned char *buf)
{
    PrintField(buf, 0, 1, EVENT, EVENTHEADER); /* LbxEvent */
    PrintField(buf, 1, 1, LBXEVENT, LBXEVENTHEADER); /* LbxSwitchEvent */
    if (Verbose < 1)
        return;
    printfield(buf, 2, 2, CARD16, "sequence number");
    PrintField(buf, 4, 4, CARD32, "client");
}