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glibc  2.9
Functions | Variables
rpc_sample.c File Reference
#include <stdio.h>
#include <string.h>
#include "rpc_parse.h"
#include "rpc_util.h"
#include "proto.h"

Go to the source code of this file.

Functions

static void write_sample_client (const char *program_name, version_list *vp)
static void write_sample_server (definition *def)
static void return_type (proc_list *plist)
void write_sample_svc (definition *def)
int write_sample_clnt (definition *def)
void add_sample_msg (void)
void write_sample_clnt_main (void)

Variables

static const char RQSTP [] = "rqstp"

Function Documentation

void add_sample_msg ( void  )

Definition at line 295 of file rpc_sample.c.

{
  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");
}

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static void return_type ( proc_list *  plist) [static]

Definition at line 289 of file rpc_sample.c.

{
  ptype (plist->res_prefix, plist->res_type, 1);
}

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static void write_sample_client ( const char *  program_name,
version_list *  vp 
) [static]

Definition at line 82 of file rpc_sample.c.

{
  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");
      ++i;
      if (mtflag)
       {
         f_print (fout, "enum clnt_stat retval_%d;\n\t", i);
         ptype (proc->res_prefix, proc->res_type, 1);
         if (!streq (proc->res_type, "void"))
           f_print (fout, "result_%d;\n", i);
         else
           fprintf (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);
             f_print (fout, " ");
           }
         else
           f_print (fout, "char *");      /* cannot have "void" type */
         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 == 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");
}

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int write_sample_clnt ( definition *  def)

Definition at line 64 of file rpc_sample.c.

{
  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;
}

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void write_sample_clnt_main ( void  )

Definition at line 305 of file rpc_sample.c.

{
  list *l;
  definition *def;
  version_list *vp;

  f_print (fout, "\n\n");
  if (Cflag)
    f_print (fout, "int\nmain (int argc, char *argv[])\n{\n");
  else
    f_print (fout, "int\nmain (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, "exit (0);\n}\n");
}

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static void write_sample_server ( definition *  def) [static]

Definition at line 214 of file rpc_sample.c.

{
  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); */
             f_print(fout, " result;\n");
           }
         else
           f_print(fout, "\tbool_t retval;\n");
         fprintf (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, "\txdr_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\treturn 1;\n}\n");
       }
    }
}

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void write_sample_svc ( definition *  def)

Definition at line 54 of file rpc_sample.c.

{

  if (def->def_kind != DEF_PROGRAM)
    return;
  write_sample_server (def);
}

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Variable Documentation

const char RQSTP[] = "rqstp" [static]

Definition at line 46 of file rpc_sample.c.