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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* SCCS: @(#)tcm_bs.c 1.11 (98/09/01)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1992 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)tcm_bs.c 1.11 98/09/01 TETware release 3.3
NAME: tcm_bs.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: April 1992
DESCRIPTION:
tcm-specific functions to convert DTET interprocess messages between
machine-independent and internal format
MODIFICATIONS:
Andrew Dingwall, UniSoft Ltd., August 1996
added support for OP_TIME
Geoff Clare, UniSoft Ltd., Oct 1996
restructured tcm source to avoid "ld -r"
Andrew Dingwall, UniSoft Ltd., June 1997
added support for OP_XRSEND
Andrew Dingwall, UniSoft Ltd., July 1998
added support for OP_PUTENV
************************************************************************/
#include <stdio.h>
#include <sys/types.h>
#include "dtmac.h"
#include "dtmsg.h"
#include "ptab.h"
#include "error.h"
#include "valmsg.h"
#include "avmsg.h"
#include "server_bs.h"
#include "dtetlib.h"
#include "tcmfuncs.h"
static char reqerr[] = "unknown request code";
/*
** tet_tcm_bs2md() - convert message data to internal format
**
** return length of internal-format message, or -ve error code on error
*/
int tet_tcm_bs2md(from, pp)
char *from;
register struct ptab *pp;
{
register int rc;
register int request = pp->pt_savreq;
switch (request) {
case OP_EXEC:
case OP_WAIT:
case OP_KILL:
case OP_XROPEN:
case OP_SNGET:
case OP_FOPEN:
case OP_TIME:
rc = tet_bs2valmsg(from, pp->ptm_len,
(struct valmsg **) &pp->ptm_data, &pp->pt_mdlen);
break;
case OP_ASYNC:
case OP_USYNC:
rc = tet_bs2synmsg(from, pp->ptm_len,
(struct valmsg **) &pp->ptm_data, &pp->pt_mdlen);
break;
case OP_RCFNAME:
case OP_GETS:
case OP_RCVCONF:
case OP_SHARELOCK:
rc = tet_bs2avmsg(from, pp->ptm_len,
(struct avmsg **) &pp->ptm_data, &pp->pt_mdlen);
break;
default:
error(0, reqerr, tet_ptreqcode(request));
return(ER_REQ);
}
return(rc < 0 ? ER_ERR : rc);
}
/*
** tet_tcm_md2bs() - convert message data to machine-independent format
**
** return length of machine-independent message
** or -ve error code on error
*/
int tet_tcm_md2bs(pp, bp, lp, offs)
struct ptab *pp;
char **bp;
int *lp, offs;
{
register char *mp = pp->ptm_data;
register int request = pp->ptm_req;
register int len, rc;
/* calculate outgoing data size */
switch (request) {
case OP_SYSID:
case OP_SYSNAME:
case OP_SNSYS:
case OP_XRSYS:
case OP_XRSEND:
case OP_ICSTART:
case OP_TPSTART:
case OP_ICEND:
case OP_TPEND:
case OP_RESULT:
case OP_FCLOSE:
case OP_GETS:
case OP_WAIT:
case OP_KILL:
len = VM_VALMSGSZ(((struct valmsg *) mp)->vm_nvalue);
break;
case OP_ASYNC:
case OP_USYNC:
len = VM_SYNMSGSZ(((struct valmsg *) mp)->vm_nvalue, VM_MSDLEN((struct valmsg *) mp));
break;
case OP_TRACE:
case OP_EXEC:
case OP_XROPEN:
case OP_XRES:
case OP_FOPEN:
case OP_CFNAME:
case OP_SNDCONF:
case OP_CONFIG:
case OP_LOCKFILE:
case OP_SHARELOCK:
case OP_PUTENV:
#if TESTING
case OP_PRINT:
#endif
len = tet_avmsgbslen((struct avmsg *) mp);
break;
case OP_TSINFO:
len = tet_tcm_ts_tsinfolen();
break;
default:
error(0, reqerr, tet_ptreqcode(request));
return(ER_REQ);
}
/* make sure that the receiving area is big enough */
if (BUFCHK(bp, lp, len + offs) < 0)
return(ER_ERR);
/* copy the data to (*bp + offs) */
switch (request) {
case OP_SYSID:
case OP_SYSNAME:
case OP_SNSYS:
case OP_XRSEND:
case OP_XRSYS:
case OP_ICSTART:
case OP_TPSTART:
case OP_ICEND:
case OP_TPEND:
case OP_RESULT:
case OP_FCLOSE:
case OP_GETS:
case OP_WAIT:
case OP_KILL:
rc = tet_valmsg2bs((struct valmsg *) mp, *bp + offs);
break;
case OP_ASYNC:
case OP_USYNC:
rc = tet_synmsg2bs((struct valmsg *) mp, *bp + offs);
break;
case OP_EXEC:
case OP_TRACE:
case OP_XROPEN:
case OP_XRES:
case OP_FOPEN:
case OP_CFNAME:
case OP_SNDCONF:
case OP_CONFIG:
case OP_LOCKFILE:
case OP_SHARELOCK:
case OP_PUTENV:
#if TESTING
case OP_PRINT:
#endif
rc = tet_avmsg2bs((struct avmsg *) mp, *bp + offs);
break;
case OP_TSINFO:
rc = tet_tcm_ts_tsinfo2bs(mp, *bp + offs);
break;
default:
error(0, reqerr, tet_ptreqcode(request));
return(ER_REQ);
}
return(rc < 0 ? ER_ERR : rc);
}
|
