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version 1.2, 2015/07/02 22:28:14
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/************************************************************************* |
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* (C) 2015 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
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* by Michael Pounov <misho@openbsd-bg.org> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************** |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004 - 2015 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
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#ifndef __AITRPC_PKT_H |
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#define __AITRPC_PKT_H |
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#include <sys/types.h> |
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#include <elwix.h> |
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#define RPC_VERSION 9 |
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#define RPC_DEFPORT 2611 |
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/* Additional ELWIX RPC supporting protocols */ |
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#ifndef SOCK_STREAM |
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#define SOCK_STREAM 1 /* stream socket */ |
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#endif |
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#ifndef SOCK_DGRAM |
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#define SOCK_DGRAM 2 /* datagram socket */ |
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#endif |
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#ifndef SOCK_RAW |
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#define SOCK_RAW 3 /* raw-protocol interface */ |
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#endif |
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#define SOCK_BPF 4 /* ethernet interface */ |
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#define SOCK_EXT 5 /* bi-directional pipe interface */ |
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/* RPC IP protocol number */ |
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#define IPPROTO_ERPC 162 |
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/* RPC call request flags */ |
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#define RPC_REPLY 0x0 |
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#define RPC_NOREPLY 0x1 |
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/* RPC call I/O direction */ |
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#define RPC_REQ 0x0 |
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#define RPC_ACK 0x1 |
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/* RPC builtin registed calls */ |
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#define CALL_TAG_MAX 65535 |
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#define CALL_SRVPING 65534 |
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#define CALL_SRVSHUTDOWN 65533 |
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#define CALL_SRVCLIENTS 65532 |
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#define CALL_SRVCALLS 65531 |
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#define CALL_SRVSESSIONS 65530 |
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#define CALL_BLOBSHUTDOWN 65529 |
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#define CALL_BLOBCLIENTS 65528 |
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#define CALL_BLOBVARS 65527 |
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/* RPC signals */ |
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#define SIGFBLOB 54 |
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/* RPC session identification */ |
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typedef struct { |
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#if BYTE_ORDER == LITTLE_ENDIAN |
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uint16_t sess_instance:8; |
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uint16_t sess_version:8; |
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#endif |
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#if BYTE_ORDER == BIG_ENDIAN |
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uint16_t sess_version:8; |
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uint16_t sess_instance:8; |
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#endif |
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} __packed rpc_sess_t; /* size == 2 bytes */ |
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/* Network RPC packet - Header */ |
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struct tagRPCCall { |
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rpc_sess_t call_session; |
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uint32_t call_len; |
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uint32_t call_seq; |
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uint16_t call_crc; |
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union { |
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struct { |
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uint64_t flags; |
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} call_req; |
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struct { |
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int32_t ret; |
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int32_t eno; |
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} call_rep; |
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}; |
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uint8_t call_io; |
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uint16_t call_tag; |
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uint8_t call_argc; |
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ait_val_t call_argv[0]; |
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} __packed; /* size == 20 bytes */ |
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#define RPC_CHK_NOREPLY(x) (ntohl((u_long) (x)->call_req.flags) & RPC_NOREPLY) |
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#define RPC_SET_ERRNO(x, _v) ((x)->call_rep.eno = (int32_t) htonl((_v))) |
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#define RPC_SET_RETURN(x, _v) ((x)->call_rep.ret = (int32_t) htonl((_v))) |
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/* Network BLOB packet - Header */ |
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struct tagBLOBHdr { |
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rpc_sess_t hdr_session; |
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uint8_t hdr_cmd; |
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uint32_t hdr_var; |
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uint32_t hdr_len; |
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uint32_t hdr_ret; |
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uint8_t hdr_pad; |
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} __packed; /* size == 16 bytes */ |
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#define RPC_SET_BLOB_RET(x, _v) ((x)->hdr_ret = (uint32_t) htonl((_v))) |
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/* RPC BLOB types */ |
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typedef enum { |
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ok, error, no, /* for blob reply */ |
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get, set, unset /* for blob request */ |
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} blob_cmd_type_t; |
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#endif |