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path: root/REORG.TODO/sunrpc/rpc_clntout.c
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-rw-r--r--REORG.TODO/sunrpc/rpc_clntout.c333
1 files changed, 333 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/rpc_clntout.c b/REORG.TODO/sunrpc/rpc_clntout.c
new file mode 100644
index 0000000000..ce4d2a4c95
--- /dev/null
+++ b/REORG.TODO/sunrpc/rpc_clntout.c
@@ -0,0 +1,333 @@
+/*
+ * rpc_clntout.c, Client-stub outputter for the RPC protocol compiler
+ * Copyright (c) 2010, Oracle America, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ * * Neither the name of the "Oracle America, Inc." nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "rpc/types.h"
+#include "rpc_parse.h"
+#include "rpc_util.h"
+#include "proto.h"
+
+#define DEFAULT_TIMEOUT 25 /* in seconds */
+static const char RESULT[] = "clnt_res";
+
+static void write_program (definition * def);
+static void printbody (proc_list * proc);
+static const char *ampr (const char *type);
+static void printbody (proc_list * proc);
+
+
+void
+write_stubs (void)
+{
+ list *l;
+ definition *def;
+
+ fprintf (fout,
+ "\n/* Default timeout can be changed using clnt_control() */\n");
+ fprintf (fout, "static struct timeval TIMEOUT = { %d, 0 };\n",
+ DEFAULT_TIMEOUT);
+ for (l = defined; l != NULL; l = l->next)
+ {
+ def = (definition *) l->val;
+ if (def->def_kind == DEF_PROGRAM)
+ {
+ write_program (def);
+ }
+ }
+}
+
+static void
+write_program (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)
+ {
+ fprintf (fout, "\n");
+ if (mtflag == 0)
+ {
+ ptype (proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*\n");
+ pvname (proc->proc_name, vp->vers_num);
+ printarglist (proc, RESULT, "clnt", "CLIENT *");
+ }
+ else
+ {
+ fprintf (fout, "enum clnt_stat \n");
+ pvname (proc->proc_name, vp->vers_num);
+ printarglist (proc, RESULT, "clnt", "CLIENT *");
+ }
+ fprintf (fout, "{\n");
+ printbody (proc);
+ fprintf (fout, "}\n");
+ }
+ }
+}
+
+/* Writes out declarations of procedure's argument list.
+ In either ANSI C style, in one of old rpcgen style (pass by reference),
+ or new rpcgen style (multiple arguments, pass by value);
+ */
+
+/* sample addargname = "clnt"; sample addargtype = "CLIENT * " */
+
+void
+printarglist (proc_list * proc, const char *result,
+ const char *addargname, const char *addargtype)
+{
+
+ decl_list *l;
+
+ if (!newstyle)
+ { /* old style: always pass argument by reference */
+ if (Cflag)
+ { /* C++ style heading */
+ fprintf (fout, "(");
+ ptype (proc->args.decls->decl.prefix,
+ proc->args.decls->decl.type, 1);
+
+ if (mtflag)
+ {/* Generate result field */
+ fprintf (fout, "*argp, ");
+ ptype(proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname);
+ }
+ else
+ fprintf (fout, "*argp, %s%s)\n", addargtype, addargname);
+ }
+ else
+ {
+ if (!mtflag)
+ fprintf (fout, "(argp, %s)\n", addargname);
+ else
+ fprintf (fout, "(argp, %s, %s)\n", result, addargname);
+ fprintf (fout, "\t");
+ ptype (proc->args.decls->decl.prefix,
+ proc->args.decls->decl.type, 1);
+ fprintf (fout, "*argp;\n");
+ if (mtflag)
+ {
+ fprintf (fout, "\t");
+ ptype (proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*%s;\n", result);
+ }
+ }
+ }
+ else if (streq (proc->args.decls->decl.type, "void"))
+ {
+ /* newstyle, 0 argument */
+ if (mtflag)
+ {
+ fprintf (fout, "(");
+ if (Cflag)
+ {
+ ptype(proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*%s, %s%s)\n", result, addargtype, addargname);
+ }
+ else
+ fprintf (fout, "(%s)\n", addargname);
+ }
+ else if (Cflag)
+ fprintf (fout, "(%s%s)\n", addargtype, addargname);
+ else
+ fprintf (fout, "(%s)\n", addargname);
+ }
+ else
+ {
+ /* new style, 1 or multiple arguments */
+ if (!Cflag)
+ {
+ fprintf (fout, "(");
+ for (l = proc->args.decls; l != NULL; l = l->next)
+ fprintf (fout, "%s, ", l->decl.name);
+ if (mtflag)
+ fprintf (fout, "%s, ", result);
+ fprintf (fout, "%s)\n", addargname);
+ for (l = proc->args.decls; l != NULL; l = l->next)
+ {
+ pdeclaration (proc->args.argname, &l->decl, 1, ";\n");
+ }
+ if (mtflag)
+ {
+ fprintf (fout, "\t");
+ ptype (proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*%s;\n", result);
+ }
+ }
+ else
+ { /* C++ style header */
+ fprintf (fout, "(");
+ for (l = proc->args.decls; l != NULL; l = l->next)
+ {
+ pdeclaration (proc->args.argname, &l->decl, 0, ", ");
+ }
+ if (mtflag)
+ {
+ ptype (proc->res_prefix, proc->res_type, 1);
+ fprintf (fout, "*%s, ", result);
+ }
+ fprintf (fout, " %s%s)\n", addargtype, addargname);
+ }
+ }
+
+ if (!Cflag)
+ fprintf (fout, "\t%s%s;\n", addargtype, addargname);
+}
+
+
+static
+const char *
+ampr (const char *type)
+{
+ if (isvectordef (type, REL_ALIAS))
+ {
+ return "";
+ }
+ else
+ {
+ return "&";
+ }
+}
+
+static void
+printbody (proc_list * proc)
+{
+ decl_list *l;
+ bool_t args2 = (proc->arg_num > 1);
+/* int i; */
+
+ /* For new style with multiple arguments, need a structure in which
+ to stuff the arguments. */
+ if (newstyle && args2)
+ {
+ fprintf (fout, "\t%s", proc->args.argname);
+ fprintf (fout, " arg;\n");
+ }
+ if (!mtflag)
+ {
+ fprintf (fout, "\tstatic ");
+ if (streq (proc->res_type, "void"))
+ {
+ fprintf (fout, "char ");
+ }
+ else
+ {
+ ptype (proc->res_prefix, proc->res_type, 0);
+ }
+ fprintf (fout, "%s;\n", RESULT);
+ fprintf (fout, "\n");
+ fprintf (fout, "\tmemset((char *)%s%s, 0, sizeof(%s));\n",
+ ampr (proc->res_type), RESULT, RESULT);
+ }
+ if (newstyle && !args2 && (streq (proc->args.decls->decl.type, "void")))
+ {
+ /* newstyle, 0 arguments */
+ if (mtflag)
+ fprintf (fout, "\t return ");
+ else
+ fprintf (fout, "\t if ");
+ fprintf (fout,
+ "(clnt_call (clnt, %s, (xdrproc_t) xdr_void, ", proc->proc_name);
+
+ fprintf (fout,
+ "(caddr_t) NULL,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
+ stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
+ RESULT);
+ if (mtflag)
+ fprintf (fout, "\n\t\tTIMEOUT));\n\n");
+ else
+ fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
+ }
+ else if (newstyle && args2)
+ {
+ /* newstyle, multiple arguments: stuff arguments into structure */
+ for (l = proc->args.decls; l != NULL; l = l->next)
+ {
+ fprintf (fout, "\targ.%s = %s;\n",
+ l->decl.name, l->decl.name);
+ }
+ if (mtflag)
+ fprintf (fout, "\treturn ");
+ else
+ fprintf (fout, "\tif ");
+
+ fprintf (fout,
+ "(clnt_call (clnt, %s, (xdrproc_t) xdr_%s", proc->proc_name,
+ proc->args.argname);
+ fprintf (fout,
+ ", (caddr_t) &arg,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,",
+ stringfix(proc->res_type), (mtflag)?"":ampr(proc->res_type),
+ RESULT);
+ if (mtflag)
+ fprintf (fout, "\n\t\tTIMEOUT));\n");
+ else
+ fprintf (fout, "\n\t\tTIMEOUT) != RPC_SUCCESS) {\n");
+ }
+ else
+ { /* single argument, new or old style */
+ if (!mtflag)
+ fprintf (fout,
+ "\tif (clnt_call (clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT) != RPC_SUCCESS) {\n",
+ proc->proc_name,
+ stringfix (proc->args.decls->decl.type),
+ (newstyle ? "&" : ""),
+ (newstyle ? proc->args.decls->decl.name : "argp"),
+ stringfix (proc->res_type), ampr (proc->res_type),
+ RESULT);
+ else
+ fprintf(fout,
+ "\treturn (clnt_call(clnt, %s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\t(xdrproc_t) xdr_%s, (caddr_t) %s%s,\n\t\tTIMEOUT));\n",
+ proc->proc_name,
+ stringfix (proc->args.decls->decl.type),
+ (newstyle ? "&" : ""),
+ (newstyle ? proc->args.decls->decl.name : "argp"),
+ stringfix (proc->res_type), "",
+ RESULT);
+ }
+ if (!mtflag)
+ {
+ fprintf (fout, "\t\treturn (NULL);\n");
+ fprintf (fout, "\t}\n");
+ if (streq (proc->res_type, "void"))
+ {
+ fprintf (fout, "\treturn ((void *)%s%s);\n",
+ ampr (proc->res_type), RESULT);
+ }
+ else
+ {
+ fprintf (fout, "\treturn (%s%s);\n", ampr (proc->res_type), RESULT);
+ }
+ }
+}
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