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/*

 * 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 char sccsid[] = "@(#)rpc_sample.c  1.1  90/08/30  (C) 1987 SMI";

#endif

/*

 * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler

 */

#include <stdio.h>

#include <string.h>

#include "rpc_parse.h"

#include "rpc_util.h"

static char RQSTP[] = "rqstp";

void printarglist();

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)\nchar *host;\n{\n" );

  f_print(fout, "\tCLIENT *clnt;\n");

  i = 0;

  for (proc = vp->procs; proc != NULL; proc = proc->next) {

      f_print(fout, "\t");

      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);

	  f_print( fout, " ");

	  pvname( proc->proc_name, vp->vers_num );

	  f_print(fout, "_%s;\n", l->decl.name );

/*	  pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/

	}

      }

    }

  /* generate creation of client handle */

  f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 

	  program_name, vp->vers_name, tirpcflag? "netpath" : "udp");

  f_print(fout, "\tif (clnt == NULL) {\n");

  f_print(fout, "\t\tclnt_pcreateerror(host);\n");

  f_print(fout, "\t\texit(1);\n\t}\n");

  /* generate calls to procedures */

  i = 0;

  for (proc = vp->procs; proc != NULL; proc = proc->next) {

      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 );

	f_print(fout, "_arg, clnt);\n");

      } else if (streq( proc->args.decls->decl.type, "void")) {

	    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);

	}

	f_print(fout, "clnt);\n");

      }

      f_print(fout, "\tif (result_%d == NULL) {\n", i);

      f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n");

      f_print(fout, "\t}\n");

    }

  f_print(fout, "\tclnt_destroy( clnt );\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( Cflag )

			  f_print( fout, "extern \"C\"{\n");

*/

			return_type(proc);

			f_print(fout, "* \n");

			if( Cflag )

			  pvname_svc(proc->proc_name, vp->vers_num);

			else

			  pvname(proc->proc_name, vp->vers_num);

			printarglist( proc, RQSTP, "struct svc_req *" );

			f_print(fout, "{\n");

			f_print(fout, "\n\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);

			f_print(fout, 

				"\n\t/*\n\t * insert server code here\n\t */\n\n");

			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"); 

/*			if( Cflag)

			  f_print( fout, "};\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)\nint argc;\nchar *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");

}