0,0 → 1,100 |
/* |
* Copyright 2009 VMware, Inc. |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the "Software"), |
* to deal in the Software without restriction, including without limitation |
* on the rights to use, copy, modify, merge, publish, distribute, sub |
* license, and/or sell copies of the Software, and to permit persons to whom |
* the Software is furnished to do so, subject to the following conditions: |
* |
* The above copyright notice and this permission notice (including the next |
* paragraph) shall be included in all copies or substantial portions of the |
* Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
*/ |
|
/* |
* This file is internal to the rbug protocol code, and contains asorted |
* features needed by the code. |
*/ |
|
#ifndef _RBUG_INTERNAL_H_ |
#define _RBUG_INTERNAL_H_ |
|
#include "rbug_proto.h" |
|
#include "util/u_memory.h" |
#include "util/u_debug.h" |
#include <errno.h> |
|
int rbug_connection_send_start(struct rbug_connection *con, enum rbug_opcode opcode, uint32_t length); |
int rbug_connection_write(struct rbug_connection *con, void *data, uint32_t size); |
int rbug_connection_send_finish(struct rbug_connection *con, uint32_t *c); |
|
/** |
* Only works with multiples of 2 |
*/ |
#define PAD(from, to) \ |
do { \ |
from = (from + to - 1) & ~(to - 1); \ |
} while(0) |
|
#define LEN(size) \ |
do { \ |
PAD(__len, size); \ |
__len += size; \ |
} while(0) |
|
#define LEN_ARRAY(size, name) \ |
do { \ |
LEN(4); \ |
PAD(__len, size); \ |
__len += size * name##_len; \ |
} while(0) |
|
#define WRITE(size, type, name) \ |
do { \ |
PAD(__pos, size); \ |
*((type *)(&__data[__pos])) = name; \ |
__pos += size; \ |
} while(0) |
|
#define WRITE_ARRAY(size, type, name) \ |
do { \ |
WRITE(4, uint32_t, name##_len); \ |
PAD(__pos, size); \ |
memcpy(&__data[__pos], name, size * name##_len); \ |
__pos += size * name##_len; \ |
} while(0) |
|
#define READ(size, type, name) \ |
do { \ |
PAD(pos, size); \ |
pos += size; \ |
if (pos > len) \ |
break; \ |
ret->name = *((type *)(&data[pos - size])); \ |
} while(0) |
|
#define READ_ARRAY(size, type, name) \ |
do { \ |
READ(4, uint32_t, name##_len); \ |
if (pos > len) \ |
break; \ |
PAD(pos, size); \ |
pos += size * ret->name##_len; \ |
if (pos > len) \ |
break; \ |
ret->name = (type *)&data[pos - size * ret->name##_len]; \ |
} while(0) |
|
#endif |