Willy Tarreau | cff6411 | 2008-11-03 06:26:53 +0100 | [diff] [blame] | 1 | /* |
Willy Tarreau | 8e89b84 | 2009-10-18 23:56:35 +0200 | [diff] [blame] | 2 | * include/proto/stream_interface.h |
| 3 | * This file contains stream_interface function prototypes |
| 4 | * |
Willy Tarreau | f873d75 | 2012-05-11 17:47:17 +0200 | [diff] [blame] | 5 | * Copyright (C) 2000-2012 Willy Tarreau - w@1wt.eu |
Willy Tarreau | 8e89b84 | 2009-10-18 23:56:35 +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 | */ |
Willy Tarreau | cff6411 | 2008-11-03 06:26:53 +0100 | [diff] [blame] | 21 | |
| 22 | #ifndef _PROTO_STREAM_INTERFACE_H |
| 23 | #define _PROTO_STREAM_INTERFACE_H |
| 24 | |
| 25 | #include <stdlib.h> |
| 26 | |
| 27 | #include <common/config.h> |
| 28 | #include <types/stream_interface.h> |
| 29 | |
| 30 | |
| 31 | /* main event functions used to move data between sockets and buffers */ |
Willy Tarreau | 269358d | 2009-09-20 20:14:49 +0200 | [diff] [blame] | 32 | int stream_int_check_timeouts(struct stream_interface *si); |
Willy Tarreau | cff6411 | 2008-11-03 06:26:53 +0100 | [diff] [blame] | 33 | void stream_int_report_error(struct stream_interface *si); |
Willy Tarreau | dded32d | 2008-11-30 19:48:07 +0100 | [diff] [blame] | 34 | void stream_int_retnclose(struct stream_interface *si, const struct chunk *msg); |
Willy Tarreau | cff6411 | 2008-11-03 06:26:53 +0100 | [diff] [blame] | 35 | |
Willy Tarreau | 5c979a9 | 2012-05-07 17:15:39 +0200 | [diff] [blame] | 36 | extern struct sock_ops stream_int_embedded; |
| 37 | extern struct sock_ops stream_int_task; |
| 38 | |
Willy Tarreau | fb90d94 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 39 | struct task *stream_int_register_handler(struct stream_interface *si, |
Willy Tarreau | b24281b | 2011-02-13 13:16:36 +0100 | [diff] [blame] | 40 | struct si_applet *app); |
Willy Tarreau | fb90d94 | 2009-09-05 20:57:35 +0200 | [diff] [blame] | 41 | struct task *stream_int_register_handler_task(struct stream_interface *si, |
| 42 | struct task *(*fct)(struct task *)); |
| 43 | void stream_int_unregister_handler(struct stream_interface *si); |
| 44 | |
Willy Tarreau | 9e000c6 | 2011-03-10 14:03:36 +0100 | [diff] [blame] | 45 | static inline void clear_target(struct target *dest) |
| 46 | { |
| 47 | dest->type = TARG_TYPE_NONE; |
| 48 | dest->ptr.v = NULL; |
| 49 | } |
| 50 | |
Willy Tarreau | 1539a01 | 2012-05-11 14:47:34 +0200 | [diff] [blame] | 51 | static inline void set_target_client(struct target *dest) |
| 52 | { |
| 53 | dest->type = TARG_TYPE_CLIENT; |
| 54 | dest->ptr.v = NULL; |
| 55 | } |
| 56 | |
Willy Tarreau | 9e000c6 | 2011-03-10 14:03:36 +0100 | [diff] [blame] | 57 | static inline void set_target_server(struct target *dest, struct server *s) |
| 58 | { |
| 59 | dest->type = TARG_TYPE_SERVER; |
| 60 | dest->ptr.s = s; |
| 61 | } |
| 62 | |
| 63 | static inline void set_target_proxy(struct target *dest, struct proxy *p) |
| 64 | { |
| 65 | dest->type = TARG_TYPE_PROXY; |
| 66 | dest->ptr.p = p; |
| 67 | } |
| 68 | |
| 69 | static inline void set_target_applet(struct target *dest, struct si_applet *a) |
| 70 | { |
| 71 | dest->type = TARG_TYPE_APPLET; |
| 72 | dest->ptr.a = a; |
| 73 | } |
| 74 | |
| 75 | static inline void set_target_task(struct target *dest, struct task *t) |
| 76 | { |
| 77 | dest->type = TARG_TYPE_TASK; |
| 78 | dest->ptr.t = t; |
| 79 | } |
| 80 | |
| 81 | static inline struct target *copy_target(struct target *dest, struct target *src) |
| 82 | { |
| 83 | *dest = *src; |
| 84 | return dest; |
| 85 | } |
| 86 | |
| 87 | static inline int target_match(struct target *a, struct target *b) |
| 88 | { |
| 89 | return a->type == b->type && a->ptr.v == b->ptr.v; |
| 90 | } |
| 91 | |
Willy Tarreau | 827aee9 | 2011-03-10 16:55:02 +0100 | [diff] [blame] | 92 | static inline struct server *target_srv(struct target *t) |
| 93 | { |
| 94 | if (!t || t->type != TARG_TYPE_SERVER) |
| 95 | return NULL; |
| 96 | return t->ptr.s; |
| 97 | } |
| 98 | |
Willy Tarreau | 5c979a9 | 2012-05-07 17:15:39 +0200 | [diff] [blame] | 99 | static inline void stream_interface_prepare(struct stream_interface *si, const struct sock_ops *ops) |
| 100 | { |
| 101 | memcpy(&si->sock, ops, sizeof(si->sock)); |
| 102 | } |
| 103 | |
Willy Tarreau | 59b9479 | 2012-05-11 16:16:40 +0200 | [diff] [blame] | 104 | |
| 105 | /* Retrieves the source address for the stream interface. */ |
| 106 | static inline void si_get_from_addr(struct stream_interface *si) |
| 107 | { |
| 108 | if (si->flags & SI_FL_FROM_SET) |
| 109 | return; |
| 110 | |
| 111 | if (!si->proto || !si->proto->get_src) |
| 112 | return; |
| 113 | |
| 114 | if (si->proto->get_src(si->fd, (struct sockaddr *)&si->addr.from, |
| 115 | sizeof(si->addr.from), |
| 116 | si->target.type != TARG_TYPE_CLIENT) == -1) |
| 117 | return; |
| 118 | si->flags |= SI_FL_FROM_SET; |
| 119 | } |
| 120 | |
| 121 | /* Retrieves the original destination address for the stream interface. */ |
| 122 | static inline void si_get_to_addr(struct stream_interface *si) |
| 123 | { |
| 124 | if (si->flags & SI_FL_TO_SET) |
| 125 | return; |
| 126 | |
| 127 | if (!si->proto || !si->proto->get_dst) |
| 128 | return; |
| 129 | |
| 130 | if (si->proto->get_dst(si->fd, (struct sockaddr *)&si->addr.to, |
| 131 | sizeof(si->addr.to), |
| 132 | si->target.type != TARG_TYPE_CLIENT) == -1) |
| 133 | return; |
| 134 | si->flags |= SI_FL_TO_SET; |
| 135 | } |
| 136 | |
| 137 | |
Willy Tarreau | cff6411 | 2008-11-03 06:26:53 +0100 | [diff] [blame] | 138 | #endif /* _PROTO_STREAM_INTERFACE_H */ |
| 139 | |
| 140 | /* |
| 141 | * Local variables: |
| 142 | * c-indent-level: 8 |
| 143 | * c-basic-offset: 8 |
| 144 | * End: |
| 145 | */ |