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version 2.0

    1: /*************************************************************************
    2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
    3: *  by Michael Pounov <misho@openbsd-bg.org>
    4: *
    5: * $Author: misho $
    6: * $Id: aitrpc.c,v 1.4 2011/11/03 15:32:21 misho Exp $
    7: *
    8: **************************************************************************
    9: The ELWIX and AITNET software is distributed under the following
   10: terms:
   11: 
   12: All of the documentation and software included in the ELWIX and AITNET
   13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
   14: 
   15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   16: 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
   17: 
   18: Redistribution and use in source and binary forms, with or without
   19: modification, are permitted provided that the following conditions
   20: are met:
   21: 1. Redistributions of source code must retain the above copyright
   22:    notice, this list of conditions and the following disclaimer.
   23: 2. Redistributions in binary form must reproduce the above copyright
   24:    notice, this list of conditions and the following disclaimer in the
   25:    documentation and/or other materials provided with the distribution.
   26: 3. All advertising materials mentioning features or use of this software
   27:    must display the following acknowledgement:
   28: This product includes software developed by Michael Pounov <misho@elwix.org>
   29: ELWIX - Embedded LightWeight unIX and its contributors.
   30: 4. Neither the name of AITNET nor the names of its contributors
   31:    may be used to endorse or promote products derived from this software
   32:    without specific prior written permission.
   33: 
   34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
   35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   44: SUCH DAMAGE.
   45: */
   46: #include "global.h"
   47: 
   48: 
   49: #pragma GCC visibility push(hidden)
   50: 
   51: // ------------------------------------------------
   52: 
   53: int rpc_Errno;
   54: char rpc_Error[STRSIZ];
   55: 
   56: #pragma GCC visibility pop
   57: 
   58: // rpc_GetErrno() Get error code of last operation
   59: inline int
   60: rpc_GetErrno()
   61: {
   62: 	return rpc_Errno;
   63: }
   64: 
   65: // rpc_GetError() Get error text of last operation
   66: inline const char *
   67: rpc_GetError()
   68: {
   69: 	return rpc_Error;
   70: }
   71: 
   72: // rpc_SetErr() Set error to variables for internal use!!!
   73: inline void
   74: rpc_SetErr(int eno, char *estr, ...)
   75: {
   76: 	va_list lst;
   77: 
   78: 	rpc_Errno = eno;
   79: 	memset(rpc_Error, 0, STRSIZ);
   80: 	va_start(lst, estr);
   81: 	vsnprintf(rpc_Error, STRSIZ, estr, lst);
   82: 	va_end(lst);
   83: }
   84: 
   85: // ------------------------------------------------------------
   86: 
   87: /*
   88:  * rpc_chkPktSession() Check session in RPC packet
   89:  * @p = packet session
   90:  * @s = active session
   91:  * return: -1 error or 0 ok
   92:  */
   93: inline int
   94: rpc_chkPktSession(rpc_sess_t *p, rpc_sess_t *s)
   95: {
   96: 	assert(p && s);
   97: 	if (!p || !s)
   98: 		return -1;
   99: 
  100: 	if (p->sess_version != s->sess_version)
  101: 		return 1;
  102: 	if (ntohl(p->sess_program) != s->sess_program)
  103: 		return 2;
  104: 	if (ntohl(p->sess_process) != s->sess_process)
  105: 		return 3;
  106: 
  107: 	return 0;
  108: }
  109: 
  110: /*
  111:  * rpc_addPktSession() Add session into RPC packet
  112:  * @p = packet session
  113:  * @s = active session
  114:  * return: -1 error or 0 ok
  115:  */
  116: inline int
  117: rpc_addPktSession(rpc_sess_t *p, rpc_sess_t *s)
  118: {
  119: 	assert(p && s);
  120: 	if (!p || !s)
  121: 		return -1;
  122: 
  123: 	p->sess_version = s->sess_version;
  124: 	p->sess_program = htonl(s->sess_program);
  125: 	p->sess_process = htonl(s->sess_process);
  126: 
  127: 	return 0;
  128: }