ISC DHCP  4.4.2b1
A reference DHCPv4 and DHCPv6 implementation
statement.h
Go to the documentation of this file.
1 /* statement.h
2 
3  Definitions for executable statements... */
4 
5 /*
6  * Copyright (c) 2004-2017 by Internet Systems Consortium, Inc. ("ISC")
7  * Copyright (c) 1996-2003 by Internet Software Consortium
8  *
9  * This Source Code Form is subject to the terms of the Mozilla Public
10  * License, v. 2.0. If a copy of the MPL was not distributed with this
11  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
19  * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20  *
21  * Internet Systems Consortium, Inc.
22  * 950 Charter Street
23  * Redwood City, CA 94063
24  * <info@isc.org>
25  * https://www.isc.org/
26  *
27  */
28 
30  int refcnt;
32  enum statement_op {
56  } op;
57  union {
58  struct {
60  struct expression *expr;
61  } ie;
62  struct expression *eval;
63  struct expression *retval;
64  struct class *add;
70  struct {
71  int evtypes;
72 # define ON_COMMIT 1
73 # define ON_EXPIRY 2
74 # define ON_RELEASE 4
75 # define ON_TRANSMISSION 8
77  } on;
78  struct {
79  struct expression *expr;
81  } s_switch;
82  struct expression *c_case;
83  struct {
84  char *name;
85  struct expression *expr;
87  } set, let;
88  char *unset;
89  struct {
90  enum {
95  } priority;
96  struct expression *expr;
97  } log;
98  struct {
99  char *command;
101  int argc;
102  } execute;
103  } data;
104 };
105 
executable_statement::command
char * command
Definition: statement.h:99
executable_statement::option
struct option_cache * option
Definition: statement.h:65
executable_statement::on
struct executable_statement::@7::@9 on
executable_statement::on_statement
@ on_statement
Definition: statement.h:44
executable_statement::refcnt
int refcnt
Definition: statement.h:30
executable_statement::unset_statement
@ unset_statement
Definition: statement.h:49
executable_statement::vendor_opt_statement
@ vendor_opt_statement
Definition: statement.h:55
executable_statement::log_priority_info
@ log_priority_info
Definition: statement.h:94
expression
Definition: tree.h:197
executable_statement::set
struct executable_statement::@7::@11 set
executable_statement::data
union executable_statement::@7 data
executable_statement::log_statement
@ log_statement
Definition: statement.h:52
option_cache
Definition: dhcpd.h:385
executable_statement::priority
enum executable_statement::@7::@12::@14 priority
executable_statement::if_statement
@ if_statement
Definition: statement.h:34
executable_statement::ie
struct executable_statement::@7::@8 ie
executable_statement::statements
struct executable_statement * statements
Definition: statement.h:69
executable_statement::supersede
struct option_cache * supersede
Definition: statement.h:66
executable_statement::default_option_statement
@ default_option_statement
Definition: statement.h:38
executable_statement::c_case
struct expression * c_case
Definition: statement.h:82
executable_statement::execute_statement
@ execute_statement
Definition: statement.h:54
executable_statement::append_option_statement
@ append_option_statement
Definition: statement.h:40
executable_statement::log_priority_fatal
@ log_priority_fatal
Definition: statement.h:91
executable_statement::prepend_option_statement
@ prepend_option_statement
Definition: statement.h:41
executable_statement::eval
struct expression * eval
Definition: statement.h:62
executable_statement::evtypes
int evtypes
Definition: statement.h:71
executable_statement::case_statement
@ case_statement
Definition: statement.h:46
executable_statement::retval
struct expression * retval
Definition: statement.h:63
executable_statement::fc
struct executable_statement * fc
Definition: statement.h:59
executable_statement::define_statement
@ define_statement
Definition: statement.h:51
executable_statement::null_statement
@ null_statement
Definition: statement.h:33
executable_statement::op
enum executable_statement::statement_op op
executable_statement::add
struct class * add
Definition: statement.h:64
executable_statement::tc
struct executable_statement * tc
Definition: statement.h:59
executable_statement::default_statement
@ default_statement
Definition: statement.h:47
executable_statement::switch_statement
@ switch_statement
Definition: statement.h:45
executable_statement::let_statement
@ let_statement
Definition: statement.h:50
executable_statement::let
struct executable_statement::@7::@11 let
executable_statement::execute
struct executable_statement::@7::@13 execute
executable_statement::s_switch
struct executable_statement::@7::@10 s_switch
executable_statement::return_statement
@ return_statement
Definition: statement.h:53
executable_statement::arglist
struct expression * arglist
Definition: statement.h:100
executable_statement::break_statement
@ break_statement
Definition: statement.h:37
executable_statement::log
struct executable_statement::@7::@12 log
executable_statement::expr
struct expression * expr
Definition: statement.h:60
executable_statement::prepend
struct option_cache * prepend
Definition: statement.h:67
executable_statement::add_statement
@ add_statement
Definition: statement.h:35
executable_statement::append
struct option_cache * append
Definition: statement.h:68
executable_statement::next
struct executable_statement * next
Definition: statement.h:31
executable_statement::log_priority_error
@ log_priority_error
Definition: statement.h:92
executable_statement::eval_statement
@ eval_statement
Definition: statement.h:36
executable_statement::supersede_option_statement
@ supersede_option_statement
Definition: statement.h:39
executable_statement::argc
int argc
Definition: statement.h:101
executable_statement::name
char * name
Definition: statement.h:84
executable_statement::statements_statement
@ statements_statement
Definition: statement.h:43
executable_statement::statement_op
statement_op
Definition: statement.h:32
executable_statement::set_statement
@ set_statement
Definition: statement.h:48
executable_statement::unset
char * unset
Definition: statement.h:88
class
Definition: dhcpd.h:1098
executable_statement
Definition: statement.h:29
executable_statement::send_option_statement
@ send_option_statement
Definition: statement.h:42
executable_statement::log_priority_debug
@ log_priority_debug
Definition: statement.h:93