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
|
/* $OpenBSD: rpc_clntout.c,v 1.13 2007/10/03 14:35:48 weingart Exp $ */
/* $NetBSD: rpc_clntout.c,v 1.4 1995/06/11 21:49:52 pk Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user or with the express written consent of
* Sun Microsystems, Inc.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#ifndef lint
static const char sccsid[] = "@(#)rpc_clntout.c 1.11 89/02/22 (C) 1987 SMI";
#endif
/*
* rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
* Copyright (C) 1987, Sun Microsytsems, Inc.
*/
#include <stdio.h>
#include <string.h>
#include <rpc/types.h>
#include "rpc_parse.h"
#include "rpc_util.h"
static void write_program(definition *);
static void printbody(proc_list *);
#define DEFAULT_TIMEOUT 25 /* in seconds */
static char RESULT[] = "clnt_res";
void
write_stubs()
{
list *l;
definition *def;
fprintf(fout,
"\n/* Default timeout can be changed using clnt_control() */\n");
fprintf(fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
DEFAULT_TIMEOUT);
for (l = defined; l != NULL; l = l->next) {
def = (definition *) l->val;
if (def->def_kind == DEF_PROGRAM) {
write_program(def);
}
}
}
static void
write_program(def)
definition *def;
{
version_list *vp;
proc_list *proc;
for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
for (proc = vp->procs; proc != NULL; proc = proc->next) {
fprintf(fout, "\n");
ptype(proc->res_prefix, proc->res_type, 1);
fprintf(fout, "*\n");
pvname(proc->proc_name, vp->vers_num);
printarglist(proc, "clnt", "CLIENT *");
fprintf(fout, "{\n");
printbody(proc);
fprintf(fout, "}\n");
}
}
}
/*
* Writes out declarations of procedure's argument list.
* In either ANSI C style, in one of old rpcgen style (pass by reference),
* or new rpcgen style (multiple arguments, pass by value);
*/
/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
void printarglist(proc, addargname, addargtype)
proc_list *proc;
char *addargname, *addargtype;
{
decl_list *l;
if (!newstyle) { /* old style: always pass argument by reference */
if (Cflag) { /* C++ style heading */
fprintf(fout, "(");
ptype(proc->args.decls->decl.prefix,
proc->args.decls->decl.type, 1);
fprintf(fout, "*argp, %s%s)\n", addargtype, addargname);
} else {
fprintf(fout, "(argp, %s)\n", addargname);
fprintf(fout, "\t");
ptype(proc->args.decls->decl.prefix,
proc->args.decls->decl.type, 1);
fprintf(fout, "*argp;\n");
}
} else if (streq(proc->args.decls->decl.type, "void")) {
/* newstyle, 0 argument */
if (Cflag)
fprintf(fout, "(%s%s)\n", addargtype, addargname);
else
fprintf(fout, "(%s)\n", addargname);
} else {
/* new style, 1 or multiple arguments */
if (!Cflag) {
fprintf(fout, "(");
for (l = proc->args.decls; l != NULL; l = l->next)
fprintf(fout, "%s, ", l->decl.name);
fprintf(fout, "%s)\n", addargname);
for (l = proc->args.decls; l != NULL; l = l->next)
pdeclaration(proc->args.argname, &l->decl, 1, ";\n");
} else { /* C++ style header */
fprintf(fout, "(");
for (l = proc->args.decls; l != NULL; l = l->next)
pdeclaration(proc->args.argname, &l->decl, 0, ", ");
fprintf(fout, " %s%s)\n", addargtype, addargname);
}
}
if (!Cflag)
fprintf(fout, "\t%s%s;\n", addargtype, addargname);
}
static char *
ampr(char *type)
{
if (isvectordef(type, REL_ALIAS)) {
return ("");
} else {
return ("&");
}
}
static void
printbody(proc)
proc_list *proc;
{
decl_list *l;
bool_t args2 = (proc->arg_num > 1);
/*
* For new style with multiple arguments, need a structure in which
* to stuff the arguments.
*/
if (newstyle && args2) {
fprintf(fout, "\t%s", proc->args.argname);
fprintf(fout, " arg;\n");
}
fprintf(fout, "\tstatic ");
if (streq(proc->res_type, "void")) {
fprintf(fout, "char ");
} else {
ptype(proc->res_prefix, proc->res_type, 0);
}
fprintf(fout, "%s;\n",RESULT);
fprintf(fout, "\n");
fprintf(fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n",
ampr(proc->res_type), RESULT, RESULT);
if (newstyle && !args2 && (streq(proc->args.decls->decl.type, "void"))) {
/* newstyle, 0 arguments */
fprintf(fout,
"\tif (clnt_call(clnt, %s, xdr_void", proc->proc_name);
fprintf(fout,
", NULL, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS) {\n",
stringfix(proc->res_type), ampr(proc->res_type), RESULT);
} else if (newstyle && args2) {
/* newstyle, multiple arguments: stuff arguments into structure */
for (l = proc->args.decls; l != NULL; l = l->next) {
fprintf(fout, "\targ.%s = %s;\n",
l->decl.name, l->decl.name);
}
fprintf(fout,
"\tif (clnt_call(clnt, %s, xdr_%s", proc->proc_name,
proc->args.argname);
fprintf(fout,
", &arg, xdr_%s, %s%s, TIMEOUT) != RPC_SUCCESS) {\n",
stringfix(proc->res_type),
ampr(proc->res_type), RESULT);
} else { /* single argument, new or old style */
fprintf(fout,
"\tif (clnt_call(clnt, %s, xdr_%s, %s%s, xdr_%s, "
"%s%s, TIMEOUT) != RPC_SUCCESS) {\n",
proc->proc_name,
stringfix(proc->args.decls->decl.type),
(newstyle ? "&" : ""),
(newstyle ? proc->args.decls->decl.name : "argp"),
stringfix(proc->res_type),
ampr(proc->res_type),RESULT);
}
fprintf(fout, "\t\treturn (NULL);\n");
fprintf(fout, "\t}\n");
if (streq(proc->res_type, "void")) {
fprintf(fout, "\treturn ((void *)%s%s);\n",
ampr(proc->res_type),RESULT);
} else {
fprintf(fout, "\treturn (%s%s);\n", ampr(proc->res_type),RESULT);
}
}
|
