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-rw-r--r--REORG.TODO/sunrpc/clnt_raw.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/REORG.TODO/sunrpc/clnt_raw.c b/REORG.TODO/sunrpc/clnt_raw.c
new file mode 100644
index 0000000000..d62a11a2ca
--- /dev/null
+++ b/REORG.TODO/sunrpc/clnt_raw.c
@@ -0,0 +1,250 @@
+/*
+ * clnt_raw.c
+ *
+ * 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.
+ *
+ * Memory based rpc for simple testing and timing.
+ * Interface to create an rpc client and server in the same process.
+ * This lets us simulate rpc and get round trip overhead, without
+ * any interference from the kernel.
+ */
+
+#include <rpc/rpc.h>
+#include <rpc/svc.h>
+#include <rpc/xdr.h>
+#include <libintl.h>
+#include <shlib-compat.h>
+
+#define MCALL_MSG_SIZE 24
+
+/*
+ * This is the "network" we will be moving stuff over.
+ */
+struct clntraw_private_s
+  {
+    CLIENT client_object;
+    XDR xdr_stream;
+    char _raw_buf[UDPMSGSIZE];
+    union
+    {
+      char msg[MCALL_MSG_SIZE];
+      u_long rm_xid;
+    } mashl_callmsg;
+    u_int mcnt;
+  };
+#ifdef _RPC_THREAD_SAFE_
+#define clntraw_private RPC_THREAD_VARIABLE(clntraw_private_s)
+#else
+static struct clntraw_private_s *clntraw_private;
+#endif
+
+static enum clnt_stat clntraw_call (CLIENT *, u_long, xdrproc_t, caddr_t,
+				    xdrproc_t, caddr_t, struct timeval);
+static void clntraw_abort (void);
+static void clntraw_geterr (CLIENT *, struct rpc_err *);
+static bool_t clntraw_freeres (CLIENT *, xdrproc_t, caddr_t);
+static bool_t clntraw_control (CLIENT *, int, char *);
+static void clntraw_destroy (CLIENT *);
+
+static const struct clnt_ops client_ops =
+{
+  clntraw_call,
+  clntraw_abort,
+  clntraw_geterr,
+  clntraw_freeres,
+  clntraw_destroy,
+  clntraw_control
+};
+
+/*
+ * Create a client handle for memory based rpc.
+ */
+CLIENT *
+clntraw_create (u_long prog, u_long vers)
+{
+  struct clntraw_private_s *clp = clntraw_private;
+  struct rpc_msg call_msg;
+  XDR *xdrs;
+  CLIENT *client;
+
+  if (clp == 0)
+    {
+      clp = (struct clntraw_private_s *) calloc (1, sizeof (*clp));
+      if (clp == 0)
+	return (0);
+      clntraw_private = clp;
+    }
+  xdrs = &clp->xdr_stream;
+  client = &clp->client_object;
+  /*
+   * pre-serialize the static part of the call msg and stash it away
+   */
+  call_msg.rm_direction = CALL;
+  call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
+  call_msg.rm_call.cb_prog = prog;
+  call_msg.rm_call.cb_vers = vers;
+  xdrmem_create (xdrs, clp->mashl_callmsg.msg, MCALL_MSG_SIZE, XDR_ENCODE);
+  if (!xdr_callhdr (xdrs, &call_msg))
+    {
+      perror (_ ("clnt_raw.c: fatal header serialization error"));
+    }
+  clp->mcnt = XDR_GETPOS (xdrs);
+  XDR_DESTROY (xdrs);
+
+  /*
+   * Set xdrmem for client/server shared buffer
+   */
+  xdrmem_create (xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE);
+
+  /*
+   * create client handle
+   */
+  client->cl_ops = (struct clnt_ops *) &client_ops;
+  client->cl_auth = authnone_create ();
+  return client;
+}
+libc_hidden_nolink_sunrpc (clntraw_create, GLIBC_2_0)
+
+static enum clnt_stat
+clntraw_call (CLIENT *h, u_long proc, xdrproc_t xargs, caddr_t argsp,
+	      xdrproc_t xresults, caddr_t resultsp, struct timeval timeout)
+{
+  struct clntraw_private_s *clp = clntraw_private;
+  XDR *xdrs = &clp->xdr_stream;
+  struct rpc_msg msg;
+  enum clnt_stat status;
+  struct rpc_err error;
+
+  if (clp == NULL)
+    return RPC_FAILED;
+call_again:
+  /*
+   * send request
+   */
+  xdrs->x_op = XDR_ENCODE;
+  XDR_SETPOS (xdrs, 0);
+  /* Just checking the union definition to access rm_xid is correct.  */
+  if (offsetof (struct rpc_msg, rm_xid) != 0)
+    abort ();
+  clp->mashl_callmsg.rm_xid++;
+  if ((!XDR_PUTBYTES (xdrs, clp->mashl_callmsg.msg, clp->mcnt)) ||
+      (!XDR_PUTLONG (xdrs, (long *) &proc)) ||
+      (!AUTH_MARSHALL (h->cl_auth, xdrs)) ||
+      (!(*xargs) (xdrs, argsp)))
+    {
+      return (RPC_CANTENCODEARGS);
+    }
+  (void) XDR_GETPOS (xdrs);	/* called just to cause overhead */
+
+  /*
+   * We have to call server input routine here because this is
+   * all going on in one process. Yuk.
+   */
+  svc_getreq (1);
+
+  /*
+   * get results
+   */
+  xdrs->x_op = XDR_DECODE;
+  XDR_SETPOS (xdrs, 0);
+  msg.acpted_rply.ar_verf = _null_auth;
+  msg.acpted_rply.ar_results.where = resultsp;
+  msg.acpted_rply.ar_results.proc = xresults;
+  if (!xdr_replymsg (xdrs, &msg))
+    return RPC_CANTDECODERES;
+  _seterr_reply (&msg, &error);
+  status = error.re_status;
+
+  if (status == RPC_SUCCESS)
+    {
+      if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
+	{
+	  status = RPC_AUTHERROR;
+	}
+    }				/* end successful completion */
+  else
+    {
+      if (AUTH_REFRESH (h->cl_auth))
+	goto call_again;
+    }				/* end of unsuccessful completion */
+
+  if (status == RPC_SUCCESS)
+    {
+      if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
+	{
+	  status = RPC_AUTHERROR;
+	}
+      if (msg.acpted_rply.ar_verf.oa_base != NULL)
+	{
+	  xdrs->x_op = XDR_FREE;
+	  (void) xdr_opaque_auth (xdrs, &(msg.acpted_rply.ar_verf));
+	}
+    }
+
+  return status;
+}
+
+static void
+clntraw_geterr (CLIENT *cl, struct rpc_err *err)
+{
+}
+
+
+static bool_t
+clntraw_freeres (CLIENT *cl, xdrproc_t xdr_res, caddr_t res_ptr)
+{
+  struct clntraw_private_s *clp = clntraw_private;
+  XDR *xdrs = &clp->xdr_stream;
+  bool_t rval;
+
+  if (clp == NULL)
+    {
+      rval = (bool_t) RPC_FAILED;
+      return rval;
+    }
+  xdrs->x_op = XDR_FREE;
+  return (*xdr_res) (xdrs, res_ptr);
+}
+
+static void
+clntraw_abort (void)
+{
+}
+
+static bool_t
+clntraw_control (CLIENT *cl, int i, char *c)
+{
+  return FALSE;
+}
+
+static void
+clntraw_destroy (CLIENT *cl)
+{
+}