Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | include/types/buffers.h |
| 3 | Buffer management definitions, macros and inline functions. |
| 4 | |
Willy Tarreau | e09e0ce | 2007-03-18 16:31:29 +0100 | [diff] [blame] | 5 | Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 6 | |
| 7 | This library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Lesser General Public |
| 9 | License as published by the Free Software Foundation, version 2.1 |
| 10 | exclusively. |
| 11 | |
| 12 | This library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | Lesser General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU Lesser General Public |
| 18 | License along with this library; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef _TYPES_BUFFERS_H |
| 23 | #define _TYPES_BUFFERS_H |
| 24 | |
Willy Tarreau | e3ba5f0 | 2006-06-29 18:54:54 +0200 | [diff] [blame] | 25 | #include <common/config.h> |
Willy Tarreau | 2dd0d47 | 2006-06-29 17:53:05 +0200 | [diff] [blame] | 26 | #include <common/memory.h> |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 27 | |
Willy Tarreau | 014b4fe | 2006-10-15 22:57:13 +0200 | [diff] [blame] | 28 | #include <sys/time.h> |
| 29 | #include <sys/types.h> |
Willy Tarreau | 5446940 | 2006-07-29 16:59:06 +0200 | [diff] [blame] | 30 | |
| 31 | /* The BF_* macros designate Buffer Flags, which may be ORed in the bit field |
| 32 | * member 'flags' in struct buffer. |
| 33 | */ |
| 34 | #define BF_SHUTR_PENDING 1 |
| 35 | #define BF_SHUTR_DONE 2 |
| 36 | #define BF_SHUTW_PENDING 4 |
| 37 | #define BF_SHUTW_DONE 8 |
Willy Tarreau | 0f9f505 | 2006-07-29 17:39:25 +0200 | [diff] [blame] | 38 | |
Willy Tarreau | 5446940 | 2006-07-29 16:59:06 +0200 | [diff] [blame] | 39 | #define BF_PARTIAL_READ 16 |
| 40 | #define BF_COMPLETE_READ 32 |
| 41 | #define BF_READ_ERROR 64 |
Willy Tarreau | 0f9f505 | 2006-07-29 17:39:25 +0200 | [diff] [blame] | 42 | #define BF_READ_NULL 128 |
| 43 | #define BF_READ_STATUS (BF_PARTIAL_READ|BF_COMPLETE_READ|BF_READ_ERROR|BF_READ_NULL) |
| 44 | #define BF_CLEAR_READ (~BF_READ_STATUS) |
Willy Tarreau | 5446940 | 2006-07-29 16:59:06 +0200 | [diff] [blame] | 45 | |
Willy Tarreau | 0f9f505 | 2006-07-29 17:39:25 +0200 | [diff] [blame] | 46 | #define BF_PARTIAL_WRITE 256 |
| 47 | #define BF_COMPLETE_WRITE 512 |
| 48 | #define BF_WRITE_ERROR 1024 |
| 49 | #define BF_WRITE_NULL 2048 |
| 50 | #define BF_WRITE_STATUS (BF_PARTIAL_WRITE|BF_COMPLETE_WRITE|BF_WRITE_ERROR|BF_WRITE_NULL) |
| 51 | #define BF_CLEAR_WRITE (~BF_WRITE_STATUS) |
Willy Tarreau | 5446940 | 2006-07-29 16:59:06 +0200 | [diff] [blame] | 52 | |
| 53 | |
Willy Tarreau | 0f9f505 | 2006-07-29 17:39:25 +0200 | [diff] [blame] | 54 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 55 | /* describes a chunk of string */ |
| 56 | struct chunk { |
| 57 | char *str; /* beginning of the string itself. Might not be 0-terminated */ |
| 58 | int len; /* size of the string from first to last char. <0 = uninit. */ |
| 59 | }; |
| 60 | |
| 61 | struct buffer { |
Willy Tarreau | aad2e49 | 2006-10-15 23:32:18 +0200 | [diff] [blame] | 62 | unsigned int flags; /* BF_* */ |
Willy Tarreau | d797128 | 2006-07-29 18:36:34 +0200 | [diff] [blame] | 63 | struct timeval rex; /* expiration date for a read */ |
| 64 | struct timeval wex; /* expiration date for a write */ |
| 65 | struct timeval cex; /* expiration date for a connect */ |
Willy Tarreau | d825eef | 2007-05-12 22:35:00 +0200 | [diff] [blame] | 66 | struct timeval rto; /* read timeout */ |
| 67 | struct timeval wto; /* write timeout */ |
| 68 | struct timeval cto; /* connect timeout */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 69 | unsigned int l; /* data length */ |
Willy Tarreau | e09e0ce | 2007-03-18 16:31:29 +0100 | [diff] [blame] | 70 | char *r, *w, *lr; /* read ptr, write ptr, last read */ |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 71 | char *rlim; /* read limit, used for header rewriting */ |
| 72 | unsigned long long total; /* total data read */ |
| 73 | char data[BUFSIZE]; |
| 74 | }; |
| 75 | |
Willy Tarreau | baaee00 | 2006-06-26 02:48:02 +0200 | [diff] [blame] | 76 | |
| 77 | #endif /* _TYPES_BUFFERS_H */ |
| 78 | |
| 79 | /* |
| 80 | * Local variables: |
| 81 | * c-indent-level: 8 |
| 82 | * c-basic-offset: 8 |
| 83 | * End: |
| 84 | */ |