1 /* @(#)rpc_svcout.c 1.2 87/11/24 3.9 RPCSRC */
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28 * Mountain View, California 94043
32 * rpc_svcout.c, Server-skeleton outputter for the RPC protocol compiler
33 * Copyright (C) 1987, Sun Microsytsems, Inc.
35 #include <afsconfig.h>
36 #include <afs/param.h>
41 #include "rpc_parse.h"
44 static char RQSTP[] = "rqstp";
45 static char TRANSP[] = "transp";
46 static char ARG[] = "argument";
47 static char RESULT[] = "result";
48 static char ROUTINE[] = "local";
50 /* static prototypes */
51 static void write_program(definition * def, char *storage);
52 static void printerr(char *err, char *transp);
53 static void printif(char *proc, char *transp, char *prefix, char *arg);
57 * write most of the service, that is, everything but the registrations.
66 for (l = defined; l != NULL; l = l->next) {
67 def = (definition *) l->val;
68 if (def->def_kind == DEF_PROGRAM) {
69 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
70 f_print(fout, "\nstatic void ");
71 pvname(def->def_name, vp->vers_num);
76 f_print(fout, "\n\n");
77 f_print(fout, "main()\n");
79 f_print(fout, "\tSVCXPRT *%s;\n", TRANSP);
81 for (l = defined; l != NULL; l = l->next) {
82 def = (definition *) l->val;
83 if (def->def_kind != DEF_PROGRAM) {
86 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
87 f_print(fout, "\tpmap_unset(%s, %s);\n", def->def_name,
95 * write a registration for the given transport
98 write_register(char *transp)
105 f_print(fout, "\t%s = svc%s_create(RPC_ANYSOCK", TRANSP, transp);
106 if (streq(transp, "tcp")) {
107 f_print(fout, ", 0, 0");
109 f_print(fout, ");\n");
110 f_print(fout, "\tif (%s == NULL) {\n", TRANSP);
111 f_print(fout, "\t\tfprintf(stderr, \"cannot create %s service.\\n\");\n",
113 f_print(fout, "\t\texit(1);\n");
114 f_print(fout, "\t}\n");
116 for (l = defined; l != NULL; l = l->next) {
117 def = (definition *) l->val;
118 if (def->def_kind != DEF_PROGRAM) {
121 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
122 f_print(fout, "\tif (!svc_register(%s, %s, %s, ", TRANSP,
123 def->def_name, vp->vers_name);
124 pvname(def->def_name, vp->vers_num);
125 f_print(fout, ", IPPROTO_%s)) {\n",
126 streq(transp, "udp") ? "UDP" : "TCP");
128 "\t\tfprintf(stderr, \"unable to register (%s, %s, %s).\\n\");\n",
129 def->def_name, vp->vers_name, transp);
130 f_print(fout, "\t\texit(1);\n");
131 f_print(fout, "\t}\n");
138 * write the rest of the service
143 f_print(fout, "\tsvc_run();\n");
144 f_print(fout, "\tfprintf(stderr, \"svc_run returned\\n\");\n");
145 f_print(fout, "\texit(1);\n");
146 f_print(fout, "}\n");
150 write_programs(char *storage)
155 for (l = defined; l != NULL; l = l->next) {
156 def = (definition *) l->val;
157 if (def->def_kind == DEF_PROGRAM) {
158 write_program(def, storage);
165 write_program(definition * def, char *storage)
171 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
173 if (storage != NULL) {
174 f_print(fout, "%s ", storage);
176 f_print(fout, "void\n");
177 pvname(def->def_name, vp->vers_num);
178 f_print(fout, "(%s, %s)\n", RQSTP, TRANSP);
179 f_print(fout, " struct svc_req *%s;\n", RQSTP);
180 f_print(fout, " SVCXPRT *%s;\n", TRANSP);
181 f_print(fout, "{\n");
184 f_print(fout, "\tunion {\n");
185 for (proc = vp->procs; proc != NULL; proc = proc->next) {
186 if (streq(proc->arg_type, "void")) {
190 f_print(fout, "\t\t");
191 ptype(proc->arg_prefix, proc->arg_type, 0);
192 pvname(proc->proc_name, vp->vers_num);
193 f_print(fout, "_arg;\n");
196 f_print(fout, "\t\tint fill;\n");
198 f_print(fout, "\t} %s;\n", ARG);
199 f_print(fout, "\tchar *%s;\n", RESULT);
200 f_print(fout, "\tbool_t (*xdr_%s)(), (*xdr_%s)();\n", ARG, RESULT);
201 f_print(fout, "\tchar *(*%s)();\n", ROUTINE);
203 f_print(fout, "\tswitch (%s->rq_proc) {\n", RQSTP);
205 if (!nullproc(vp->procs)) {
206 f_print(fout, "\tcase NULLPROC:\n");
207 f_print(fout, "\t\tsvc_sendreply(%s, xdr_void, NULL);\n", TRANSP);
208 f_print(fout, "\t\treturn;\n\n");
210 for (proc = vp->procs; proc != NULL; proc = proc->next) {
211 f_print(fout, "\tcase %s:\n", proc->proc_name);
212 f_print(fout, "\t\txdr_%s = xdr_%s;\n", ARG,
213 stringfix(proc->arg_type));
214 f_print(fout, "\t\txdr_%s = xdr_%s;\n", RESULT,
215 stringfix(proc->res_type));
216 f_print(fout, "\t\t%s = (char *(*)()) ", ROUTINE);
217 pvname(proc->proc_name, vp->vers_num);
218 f_print(fout, ";\n");
219 f_print(fout, "\t\tbreak;\n\n");
221 f_print(fout, "\tdefault:\n");
222 printerr("noproc", TRANSP);
223 f_print(fout, "\t\treturn;\n");
224 f_print(fout, "\t}\n");
226 f_print(fout, "\tmemset(&%s, 0, sizeof(%s));\n", ARG, ARG);
227 printif("getargs", TRANSP, "&", ARG);
228 printerr("decode", TRANSP);
229 f_print(fout, "\t\treturn;\n");
230 f_print(fout, "\t}\n");
232 f_print(fout, "\t%s = (*%s)(&%s, %s);\n", RESULT, ROUTINE, ARG,
235 "\tif (%s != NULL && !svc_sendreply(%s, xdr_%s, %s)) {\n",
236 RESULT, TRANSP, RESULT, RESULT);
237 printerr("systemerr", TRANSP);
238 f_print(fout, "\t}\n");
240 printif("freeargs", TRANSP, "&", ARG);
242 "\t\tfprintf(stderr, \"unable to free arguments\\n\");\n");
243 f_print(fout, "\t\texit(1);\n");
244 f_print(fout, "\t}\n");
246 f_print(fout, "}\n\n");
251 printerr(char *err, char *transp)
253 f_print(fout, "\t\tsvcerr_%s(%s);\n", err, transp);
257 printif(char *proc, char *transp, char *prefix, char *arg)
259 f_print(fout, "\tif (!svc_%s(%s, xdr_%s, %s%s)) {\n", proc, transp, arg,
265 nullproc(proc_list * proc)
267 for (; proc != NULL; proc = proc->next) {
268 if (streq(proc->proc_num, "0")) {