112795Swpaul/* 212795Swpaul * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 312795Swpaul * unrestricted use provided that this legend is included on all tape 412795Swpaul * media and as a part of the software program in whole or part. Users 512795Swpaul * may copy or modify Sun RPC without charge, but are not authorized 612795Swpaul * to license or distribute it to anyone else except as part of a product or 712795Swpaul * program developed by the user. 8100441Scharnier * 912795Swpaul * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 1012795Swpaul * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 1112795Swpaul * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 12100441Scharnier * 1312795Swpaul * Sun RPC is provided with no support and without any obligation on the 1412795Swpaul * part of Sun Microsystems, Inc. to assist in its use, correction, 1512795Swpaul * modification or enhancement. 16100441Scharnier * 1712795Swpaul * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 1812795Swpaul * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 1912795Swpaul * OR ANY PART THEREOF. 20100441Scharnier * 2112795Swpaul * In no event will Sun Microsystems, Inc. be liable for any lost revenue 2212795Swpaul * or profits or other special, indirect and consequential damages, even if 2312795Swpaul * Sun has been advised of the possibility of such damages. 24100441Scharnier * 2512795Swpaul * Sun Microsystems, Inc. 2612795Swpaul * 2550 Garcia Avenue 2712795Swpaul * Mountain View, California 94043 2812795Swpaul */ 2912795Swpaul 3099979Salfred/* #pragma ident "@(#)rpc_sample.c 1.9 94/04/25 SMI" */ 3112795Swpaul 32100441Scharnier#include <sys/cdefs.h> 33100441Scharnier__FBSDID("$FreeBSD$"); 34100441Scharnier 3512795Swpaul/* 3612795Swpaul * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler 3712795Swpaul * Copyright (C) 1987, Sun Microsystems, Inc. 3812795Swpaul */ 3912795Swpaul 4012795Swpaul#include <stdio.h> 4112795Swpaul#include <string.h> 4212795Swpaul#include "rpc_parse.h" 43149682Sstefanf#include "rpc_scan.h" 4412795Swpaul#include "rpc_util.h" 4512795Swpaul 4612795Swpaul 4712795Swpaulstatic char RQSTP[] = "rqstp"; 4812795Swpaul 49152398Sdwmalonestatic void write_sample_client(const char *, version_list * ); 5092921Simpstatic void write_sample_server( definition * ); 5192921Simpstatic void return_type( proc_list * ); 5212795Swpaul 5312795Swpaulvoid 54152398Sdwmalonewrite_sample_svc(definition *def) 5512795Swpaul{ 5612795Swpaul 57100441Scharnier if (def->def_kind != DEF_PROGRAM) 5812795Swpaul return; 5912795Swpaul write_sample_server(def); 6012795Swpaul} 6112795Swpaul 6212795Swpaul 6312795Swpaulint 64152398Sdwmalonewrite_sample_clnt(definition *def) 6512795Swpaul{ 6612795Swpaul version_list *vp; 6712795Swpaul int count = 0; 6812795Swpaul 69100441Scharnier if (def->def_kind != DEF_PROGRAM) 7012795Swpaul return(0); 7112795Swpaul /* generate sample code for each version */ 7212795Swpaul for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 7312795Swpaul write_sample_client(def->def_name, vp); 7412795Swpaul ++count; 7512795Swpaul } 7612795Swpaul return(count); 7712795Swpaul} 7812795Swpaul 7912795Swpaul 8017142Sjkhstatic void 81152398Sdwmalonewrite_sample_client(const char *program_name, version_list *vp) 8212795Swpaul{ 8312795Swpaul proc_list *proc; 8412795Swpaul int i; 8512795Swpaul decl_list *l; 8612795Swpaul 8712795Swpaul f_print(fout, "\n\nvoid\n"); 8812795Swpaul pvname(program_name, vp->vers_num); 89149709Sstefanf f_print(fout, "(char *host)\n{\n"); 9012795Swpaul f_print(fout, "\tCLIENT *clnt;\n"); 9112795Swpaul 9212795Swpaul i = 0; 9312795Swpaul for (proc = vp->procs; proc != NULL; proc = proc->next) { 9412795Swpaul f_print(fout, "\t"); 9512795Swpaul if (mtflag) { 9612795Swpaul f_print(fout, "enum clnt_stat retval_%d;\n\t", ++i); 9712795Swpaul ptype(proc->res_prefix, proc->res_type, 1); 9812795Swpaul f_print(fout, "result_%d;\n", i); 9912795Swpaul } else { 10012795Swpaul ptype(proc->res_prefix, proc->res_type, 1); 10112795Swpaul f_print(fout, " *result_%d;\n",++i); 10212795Swpaul } 10312795Swpaul /* print out declarations for arguments */ 10412795Swpaul if(proc->arg_num < 2 && !newstyle) { 10512795Swpaul f_print(fout, "\t"); 10612795Swpaul if(!streq(proc->args.decls->decl.type, "void")) 107100441Scharnier ptype(proc->args.decls->decl.prefix, 10812795Swpaul proc->args.decls->decl.type, 1); 10912795Swpaul else 11012795Swpaul f_print(fout, "char * "); /* cannot have "void" type */ 11112795Swpaul f_print(fout, " "); 11212795Swpaul pvname(proc->proc_name, vp->vers_num); 11312795Swpaul f_print(fout, "_arg;\n"); 11412795Swpaul } else if (!streq(proc->args.decls->decl.type, "void")) { 11512795Swpaul for (l = proc->args.decls; l != NULL; l = l->next) { 11612795Swpaul f_print(fout, "\t"); 11712795Swpaul ptype(l->decl.prefix, l->decl.type, 1); 11812795Swpaul if (strcmp(l->decl.type,"string") == 1) 11912795Swpaul f_print(fout, " "); 12012795Swpaul pvname(proc->proc_name, vp->vers_num); 12112795Swpaul f_print(fout, "_%s;\n", l->decl.name); 12212795Swpaul } 12312795Swpaul } 12412795Swpaul } 12512795Swpaul 12612795Swpaul /* generate creation of client handle */ 12712795Swpaul f_print(fout, "\n#ifndef\tDEBUG\n"); 128100441Scharnier f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 12912795Swpaul program_name, vp->vers_name, tirpcflag? "netpath" : "udp"); 13012795Swpaul f_print(fout, "\tif (clnt == (CLIENT *) NULL) {\n"); 13112795Swpaul f_print(fout, "\t\tclnt_pcreateerror(host);\n"); 13212795Swpaul f_print(fout, "\t\texit(1);\n\t}\n"); 13312795Swpaul f_print(fout, "#endif\t/* DEBUG */\n\n"); 13412795Swpaul 13512795Swpaul /* generate calls to procedures */ 13612795Swpaul i = 0; 13712795Swpaul for (proc = vp->procs; proc != NULL; proc = proc->next) { 13812795Swpaul if (mtflag) 139100441Scharnier f_print(fout, "\tretval_%d = ",++i); 14012795Swpaul else 141100441Scharnier f_print(fout, "\tresult_%d = ",++i); 14212795Swpaul pvname(proc->proc_name, vp->vers_num); 14312795Swpaul if (proc->arg_num < 2 && !newstyle) { 14412795Swpaul f_print(fout, "("); 145100441Scharnier if(streq(proc->args.decls->decl.type, "void")) 14612795Swpaul /* cast to void * */ 14712795Swpaul f_print(fout, "(void *)"); 14812795Swpaul f_print(fout, "&"); 14912795Swpaul pvname(proc->proc_name, vp->vers_num); 15012795Swpaul if (mtflag) 15112795Swpaul f_print(fout, "_arg, &result_%d, clnt);\n", 15212795Swpaul i); 15312795Swpaul else 15412795Swpaul f_print(fout, "_arg, clnt);\n"); 15512795Swpaul 15612795Swpaul } else if (streq(proc->args.decls->decl.type, "void")) { 15712795Swpaul if (mtflag) 15812795Swpaul f_print(fout, "(&result_%d, clnt);\n", i); 15912795Swpaul else 16012795Swpaul f_print(fout, "(clnt);\n"); 16112795Swpaul } 16212795Swpaul else { 16312795Swpaul f_print(fout, "("); 16412795Swpaul for (l = proc->args.decls; l != NULL; l = l->next) { 16512795Swpaul pvname(proc->proc_name, vp->vers_num); 16612795Swpaul f_print(fout, "_%s, ", l->decl.name); 16712795Swpaul } 16812795Swpaul if (mtflag) 16912795Swpaul f_print(fout, "&result_%d, ", i); 17012795Swpaul 17112795Swpaul f_print(fout, "clnt);\n"); 17212795Swpaul } 17312795Swpaul if (mtflag) { 17412795Swpaul f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i); 17512795Swpaul 17612795Swpaul } else { 17712795Swpaul f_print(fout, "\tif (result_%d == (", i); 17812795Swpaul ptype(proc->res_prefix, proc->res_type, 1); 17912795Swpaul f_print(fout, "*) NULL) {\n"); 18012795Swpaul } 18112795Swpaul f_print(fout, "\t\tclnt_perror(clnt, \"call failed\");\n"); 18212795Swpaul f_print(fout, "\t}\n"); 18312795Swpaul } 18412795Swpaul 18512795Swpaul f_print(fout, "#ifndef\tDEBUG\n"); 18612795Swpaul f_print(fout, "\tclnt_destroy(clnt);\n"); 18712795Swpaul f_print(fout, "#endif\t /* DEBUG */\n"); 18812795Swpaul f_print(fout, "}\n"); 18912795Swpaul} 19012795Swpaul 19117142Sjkhstatic void 192152398Sdwmalonewrite_sample_server(definition *def) 19312795Swpaul{ 19412795Swpaul version_list *vp; 19512795Swpaul proc_list *proc; 19612795Swpaul 19712795Swpaul for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 19812795Swpaul for (proc = vp->procs; proc != NULL; proc = proc->next) { 19912795Swpaul f_print(fout, "\n"); 20012795Swpaul if (!mtflag) { 20112795Swpaul return_type(proc); 20212795Swpaul f_print(fout, "*\n"); 20312795Swpaul } else 20412795Swpaul f_print(fout, "bool_t\n"); 205149709Sstefanf pvname_svc(proc->proc_name, vp->vers_num); 20612795Swpaul printarglist(proc, "result", RQSTP, "struct svc_req *"); 20712795Swpaul 20812795Swpaul f_print(fout, "{\n"); 20912795Swpaul if (!mtflag) { 21012795Swpaul f_print(fout, "\tstatic "); 21112795Swpaul if(!streq(proc->res_type, "void")) 21212795Swpaul return_type(proc); 21312795Swpaul else 21412795Swpaul f_print(fout, "char *"); 21512795Swpaul /* cannot have void type */ 21638022Sbde f_print(fout, " result;\n"); 21712795Swpaul } 21812795Swpaul else 21912795Swpaul f_print(fout, "\tbool_t retval;\n"); 220100441Scharnier f_print(fout, 22112795Swpaul "\n\t/*\n\t * insert server code here\n\t */\n\n"); 22212795Swpaul 22312795Swpaul if (!mtflag) 22412795Swpaul if(!streq(proc->res_type, "void")) 22512795Swpaul f_print(fout, "\treturn (&result);\n}\n"); 22612795Swpaul else /* cast back to void * */ 227100441Scharnier f_print(fout, "\treturn((void *) &result);\n}\n"); 22812795Swpaul else 22912795Swpaul f_print(fout, "\treturn (retval);\n}\n"); 23012795Swpaul } 23112795Swpaul /* put in sample freeing routine */ 23212795Swpaul if (mtflag) { 23312795Swpaul f_print(fout, "\nint\n"); 23412795Swpaul pvname(def->def_name, vp->vers_num); 235149709Sstefanf f_print(fout,"_freeresult(SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n"); 23612795Swpaul f_print(fout, "{\n"); 23712795Swpaul f_print(fout, "\t(void) xdr_free(xdr_result, result);\n"); 238100441Scharnier f_print(fout, 23912795Swpaul "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n"); 24012795Swpaul f_print(fout, "\n}\n"); 24112795Swpaul 24212795Swpaul 24312795Swpaul } 24412795Swpaul } 24512795Swpaul} 24612795Swpaul 24712795Swpaul 24812795Swpaul 24917142Sjkhstatic void 250152398Sdwmalonereturn_type(proc_list *plist) 25112795Swpaul{ 25212795Swpaul ptype(plist->res_prefix, plist->res_type, 1); 25312795Swpaul} 25412795Swpaul 25517142Sjkhvoid 256152398Sdwmaloneadd_sample_msg(void) 25712795Swpaul{ 25812795Swpaul f_print(fout, "/*\n"); 25912795Swpaul f_print(fout, " * This is sample code generated by rpcgen.\n"); 26012795Swpaul f_print(fout, " * These are only templates and you can use them\n"); 26112795Swpaul f_print(fout, " * as a guideline for developing your own functions.\n"); 26212795Swpaul f_print(fout, " */\n\n"); 26312795Swpaul} 26412795Swpaul 26512795Swpaulvoid 266152398Sdwmalonewrite_sample_clnt_main(void) 26712795Swpaul{ 26812795Swpaul list *l; 26912795Swpaul definition *def; 27012795Swpaul version_list *vp; 27112795Swpaul 27212795Swpaul f_print(fout, "\n\n"); 273267444Sbdrewery f_print(fout, "int\n"); 274149709Sstefanf f_print(fout, "main(int argc, char *argv[])\n{\n"); 27512795Swpaul 27612795Swpaul f_print(fout, "\tchar *host;"); 27712795Swpaul f_print(fout, "\n\n\tif (argc < 2) {"); 27812795Swpaul f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n"); 27912795Swpaul f_print(fout, "\t\texit(1);\n\t}"); 28012795Swpaul f_print(fout, "\n\thost = argv[1];\n"); 28112795Swpaul 28212795Swpaul for (l = defined; l != NULL; l = l->next) { 28312795Swpaul def = l->val; 28412795Swpaul if (def->def_kind != DEF_PROGRAM) { 28512795Swpaul continue; 28612795Swpaul } 28712795Swpaul for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 28812795Swpaul f_print(fout, "\t"); 28912795Swpaul pvname(def->def_name, vp->vers_num); 29012795Swpaul f_print(fout, "(host);\n"); 29112795Swpaul } 29212795Swpaul } 29312795Swpaul f_print(fout, "}\n"); 29412795Swpaul} 295