/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. * * Portions of this software have been released under the following terms: * * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC. * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION * * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: * permission to use, copy, modify, and distribute this file for any * purpose is hereby granted without fee, provided that the above * copyright notices and this notice appears in all source code copies, * and that none of the names of Open Software Foundation, Inc., Hewlett- * Packard Company or Digital Equipment Corporation be used * in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. Neither Open Software * Foundation, Inc., Hewlett-Packard Company nor Digital * Equipment Corporation makes any representations about the suitability * of this software for any purpose. * * Copyright (c) 2007, Novell, Inc. All rights reserved. * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Neither the name of Novell Inc. nor the names of its contributors * may be used to endorse or promote products derived from this * 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 HOLDERS 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. * * @APPLE_LICENSE_HEADER_END@ */ /* ** ** NAME ** ** cnxfer.h ** ** FACILITY: ** ** Remote Procedure Call (RPC) ** ** ABSTRACT: ** ** Definitions of entrypoints to support buffered data transfer ** within the Connection-oriented protocol services component of ** the RPC runtime. ** ** */ #ifndef _CNXFER_H #define _CNXFER_H 1 /***********************************************************************/ /* * rpc_c_cn_bcopy_lim determines the maximum byte count which we * will copy instead of allocating an I/O vector element. i.e., if * the stub data contains less than or equal to rpc_c_cn_bcopy_lim, * then the data will be copied to an internal buffer. */ #define RPC_C_CN_BCOPY_LIM 200 /***********************************************************************/ /* * R P C _ _ C N _ C O P Y _ B U F F E R * */ PRIVATE void rpc__cn_copy_buffer ( rpc_cn_call_rep_p_t /* call_rep */, rpc_iovector_elt_p_t /* iov_elt_p */, unsigned32 * /* status */ ); /***********************************************************************/ /* * R P C _ _ C N _ T R A N S M I T _ B U F F E R S * */ PRIVATE void rpc__cn_transmit_buffers ( rpc_cn_call_rep_p_t /* call_rep */, unsigned32 */* status */ ); #if 0 /***********************************************************************/ /* * R P C _ _ C N _ F L U S H _ B U F F E R S * */ PRIVATE void rpc__cn_flush_buffers ( rpc_cn_call_rep_p_t /* call_rep */, unsigned32 */* status */ ); #endif /* 0 */ /***********************************************************************/ /* * R P C _ _ C N _ A D D _ N E W _ I O V E C T O R _ E L M T * */ PRIVATE void rpc__cn_add_new_iovector_elmt ( rpc_cn_call_rep_p_t /* call_rep */, rpc_iovector_elt_p_t /* iov_elt_p */, unsigned32 */* status */ ); /***********************************************************************/ /* * R P C _ _ C N _ D E A L L O C _ B U F F E R E D _ D A T A * */ PRIVATE void rpc__cn_dealloc_buffered_data ( rpc_cn_call_rep_p_t /*call_rep*/ ); /***********************************************************************/ /* * R P C _ _ C N _ G E T _ A L L O C _ H I N T * */ PRIVATE unsigned32 rpc__cn_get_alloc_hint ( rpc_iovector_p_t /* stub_data_p */ ); /* * Macro to fix up the iovector in the call_rep so that we have * only the cached protocol header (and no stub data). */ #define RPC_CN_FREE_ALL_EXCEPT_PROT_HDR(call_rep) \ {\ RPC_CN_CREP_IOVLEN (call_rep) = 1; \ RPC_CN_CREP_CUR_IOV_INDX (call_rep) = 0; \ RPC_CN_CREP_ACC_BYTCNT (call_rep) = RPC_CN_CREP_SIZEOF_HDR (call_rep); \ RPC_CN_CREP_FREE_BYTES (call_rep) = \ RPC_C_CN_SMALL_FRAG_SIZE - RPC_CN_CREP_SIZEOF_HDR (call_rep); \ RPC_CN_CREP_FREE_BYTE_PTR (call_rep) = \ (byte_p_t) RPC_CN_CREP_IOV(call_rep)[0].data_addr; \ RPC_CN_CREP_FREE_BYTE_PTR (call_rep) += RPC_CN_CREP_SIZEOF_HDR (call_rep); \ RPC_CN_CREP_IOV(call_rep)[0].data_len = RPC_CN_CREP_SIZEOF_HDR (call_rep);\ if ((call_rep)->sec != NULL)\ {\ RPC_CN_CREP_FREE_BYTE_PTR (call_rep) -= call_rep->prot_tlr->data_size; \ RPC_CN_CREP_IOVLEN (call_rep)++;\ }\ } #endif /* _CNXFER_H */