Import a newer and more functional version of rpcgen.

Obtained from: the Sun TI-RPC 2.3 source distribution

1 files changed, 311 insertions, 0 deletions

diff --git a/usr.bin/rpcgen/rpc_sample.c b/usr.bin/rpcgen/rpc_sample.c
new file mode 100644
index 0000000..435bb44
--- /dev/null
+++ b/usr.bin/rpcgen/rpc_sample.c
@@ -0,0 +1,311 @@
+/*
+ * 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.
+ * 
+ * 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
+ */
+
+#pragma ident	"@(#)rpc_sample.c	1.9	94/04/25 SMI" 
+
+/*
+ * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
+ * Copyright (C) 1987, Sun Microsystems, Inc.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "rpc_parse.h"
+#include "rpc_util.h"
+
+
+static char RQSTP[] = "rqstp";
+
+extern void printarglist __P(( proc_list *, char *, char *, char *));
+static int write_sample_client __P(( char *, version_list * ));
+static int write_sample_server __P(( definition * ));
+static int return_type __P(( proc_list * ));
+
+void
+write_sample_svc(def)
+     definition *def;
+{
+
+	if (def->def_kind != DEF_PROGRAM) 
+	  return;
+	write_sample_server(def);
+}
+
+
+int
+write_sample_clnt(def)
+     definition *def;
+{
+        version_list *vp;
+	int count = 0;
+
+	if (def->def_kind != DEF_PROGRAM) 
+	  return(0);
+	/* generate sample code for each version */
+	for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
+	  write_sample_client(def->def_name, vp);
+	  ++count;
+	}
+	return(count);
+}
+
+
+static
+write_sample_client(program_name, vp)
+     char *program_name;
+     version_list *vp;
+{
+	proc_list *proc;
+	int i;
+	decl_list *l;
+
+	f_print(fout, "\n\nvoid\n");
+	pvname(program_name, vp->vers_num);
+	if(Cflag)
+		f_print(fout,"(char *host)\n{\n");
+	else
+		f_print(fout, "(host)\n\tchar *host;\n{\n");
+	f_print(fout, "\tCLIENT *clnt;\n");
+
+	i = 0;
+	for (proc = vp->procs; proc != NULL; proc = proc->next) {
+		f_print(fout, "\t");
+		if (mtflag) {
+			f_print(fout, "enum clnt_stat retval_%d;\n\t", ++i);
+			ptype(proc->res_prefix, proc->res_type, 1);
+			f_print(fout, "result_%d;\n", i);
+		} else {
+			ptype(proc->res_prefix, proc->res_type, 1);
+			f_print(fout, " *result_%d;\n",++i);
+		}
+		/* print out declarations for arguments */
+		if(proc->arg_num < 2 && !newstyle) {
+			f_print(fout, "\t");
+			if(!streq(proc->args.decls->decl.type, "void"))
+				ptype(proc->args.decls->decl.prefix, 
+				      proc->args.decls->decl.type, 1);
+			else
+				f_print(fout, "char * "); /* cannot have "void" type */
+			f_print(fout, " ");
+			pvname(proc->proc_name, vp->vers_num);
+			f_print(fout, "_arg;\n");
+		} else if (!streq(proc->args.decls->decl.type, "void")) {
+			for (l = proc->args.decls; l != NULL; l = l->next) {
+				f_print(fout, "\t");
+				ptype(l->decl.prefix, l->decl.type, 1);
+				if (strcmp(l->decl.type,"string") == 1)
+				    f_print(fout, " ");
+				pvname(proc->proc_name, vp->vers_num);
+				f_print(fout, "_%s;\n", l->decl.name);
+			}
+		}
+	}
+
+	/* generate creation of client handle */
+	f_print(fout, "\n#ifndef\tDEBUG\n");
+	f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 
+		program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
+	f_print(fout, "\tif (clnt == (CLIENT *) NULL) {\n");
+	f_print(fout, "\t\tclnt_pcreateerror(host);\n");
+	f_print(fout, "\t\texit(1);\n\t}\n");
+	f_print(fout, "#endif\t/* DEBUG */\n\n");
+
+	/* generate calls to procedures */
+	i = 0;
+	for (proc = vp->procs; proc != NULL; proc = proc->next) {
+		if (mtflag)
+			f_print(fout, "\tretval_%d = ",++i);      
+		else
+			f_print(fout, "\tresult_%d = ",++i);      
+		pvname(proc->proc_name, vp->vers_num);
+		if (proc->arg_num < 2 && !newstyle) {
+			f_print(fout, "(");
+			if(streq(proc->args.decls->decl.type, "void")) 
+				/* cast to void * */
+				f_print(fout, "(void *)");
+			f_print(fout, "&");
+			pvname(proc->proc_name, vp->vers_num);
+			if (mtflag)
+				f_print(fout, "_arg, &result_%d, clnt);\n",
+					i);
+			else
+				f_print(fout, "_arg, clnt);\n");
+
+		} else if (streq(proc->args.decls->decl.type, "void")) {
+			if (mtflag)
+				f_print(fout, "(&result_%d, clnt);\n", i);
+			else
+				f_print(fout, "(clnt);\n");
+		}
+		else {
+			f_print(fout, "(");
+			for (l = proc->args.decls;  l != NULL; l = l->next) {
+				pvname(proc->proc_name, vp->vers_num);
+				f_print(fout, "_%s, ", l->decl.name);
+			}
+			if (mtflag)
+				f_print(fout, "&result_%d, ", i);
+				
+			f_print(fout, "clnt);\n");
+		}
+		if (mtflag) {
+			f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
+
+		} else {
+			f_print(fout, "\tif (result_%d == (", i);
+			ptype(proc->res_prefix, proc->res_type, 1);
+			f_print(fout, "*) NULL) {\n");
+		}
+		f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n");
+		f_print(fout, "\t}\n");
+	}
+
+	f_print(fout, "#ifndef\tDEBUG\n");
+	f_print(fout, "\tclnt_destroy(clnt);\n");
+	f_print(fout, "#endif\t	/* DEBUG */\n");
+	f_print(fout, "}\n");
+}
+
+static
+write_sample_server(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) {
+			f_print(fout, "\n");
+			if (!mtflag) {
+				return_type(proc);
+				f_print(fout, "*\n");
+			} else
+				f_print(fout, "bool_t\n");
+			if (Cflag || mtflag)
+				pvname_svc(proc->proc_name, vp->vers_num);
+			else
+				pvname(proc->proc_name, vp->vers_num);
+			printarglist(proc, "result", RQSTP, "struct svc_req *");
+
+			f_print(fout, "{\n");
+			if (!mtflag) {
+				f_print(fout, "\tstatic ");
+				if(!streq(proc->res_type, "void"))
+					return_type(proc);
+				else
+					f_print(fout, "char *");
+				/* cannot have void type */
+				f_print(fout, " result;\n", proc->res_type);
+			}
+			else
+				f_print(fout, "\tbool_t retval;\n");
+			f_print(fout, 
+				"\n\t/*\n\t * insert server code here\n\t */\n\n");
+
+			if (!mtflag)
+				if(!streq(proc->res_type, "void"))
+					f_print(fout, "\treturn (&result);\n}\n");
+				else /* cast back to void * */
+					f_print(fout, "\treturn((void *) &result);\n}\n"); 
+			else
+				f_print(fout, "\treturn (retval);\n}\n");
+		}
+		/* put in sample freeing routine */
+		if (mtflag) {
+		f_print(fout, "\nint\n");
+		pvname(def->def_name, vp->vers_num);
+		if (Cflag) 
+			f_print(fout,"_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
+		else {
+			f_print(fout,"_freeresult(transp, xdr_result, result)\n");
+			f_print(fout,"\tSVCXPRT *transp;\n");
+			f_print(fout,"\txdrproc_t xdr_result;\n");
+			f_print(fout,"\tcaddr_t result;\n");
+		}
+		f_print(fout, "{\n");
+		f_print(fout, "\t(void) xdr_free(xdr_result, result);\n");
+		f_print(fout, 
+			"\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
+		f_print(fout, "\n}\n");
+
+		
+	}
+	}
+}
+
+
+
+static 
+return_type(plist)
+	proc_list *plist;
+{
+  ptype(plist->res_prefix, plist->res_type, 1);
+}
+
+add_sample_msg()
+{
+	f_print(fout, "/*\n");
+	f_print(fout, " * This is sample code generated by rpcgen.\n");
+	f_print(fout, " * These are only templates and you can use them\n");
+	f_print(fout, " * as a guideline for developing your own functions.\n");
+	f_print(fout, " */\n\n");
+}
+
+void
+write_sample_clnt_main()
+{
+	list *l;
+	definition *def;
+	version_list *vp;
+
+	f_print(fout, "\n\n");
+	if(Cflag)
+		f_print(fout,"main(int argc, char *argv[])\n{\n");
+	else
+		f_print(fout, "main(argc, argv)\n\tint argc;\n\tchar *argv[];\n{\n");
+
+	f_print(fout, "\tchar *host;");
+	f_print(fout, "\n\n\tif (argc < 2) {");
+	f_print(fout, "\n\t\tprintf(\"usage:  %%s server_host\\n\", argv[0]);\n");
+	f_print(fout, "\t\texit(1);\n\t}");
+	f_print(fout, "\n\thost = argv[1];\n");
+
+	for (l = defined; l != NULL; l = l->next) {
+		def = l->val;
+		if (def->def_kind != DEF_PROGRAM) {
+			continue;
+		}
+		for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
+		        f_print(fout, "\t");
+			pvname(def->def_name, vp->vers_num);
+			f_print(fout, "(host);\n");
+		}
+	}
+	f_print(fout, "}\n");
+}