xref: /php-src/ext/snmp/php_snmp.h (revision 2fd5e82e)
1 /*
2   +----------------------------------------------------------------------+
3   | Copyright (c) The PHP Group                                          |
4   +----------------------------------------------------------------------+
5   | This source file is subject to version 3.01 of the PHP license,      |
6   | that is bundled with this package in the file LICENSE, and is        |
7   | available through the world-wide-web at the following url:           |
8   | https://www.php.net/license/3_01.txt                                 |
9   | If you did not receive a copy of the PHP license and are unable to   |
10   | obtain it through the world-wide-web, please send a note to          |
11   | license@php.net so we can mail you a copy immediately.               |
12   +----------------------------------------------------------------------+
13   | Authors: Rasmus Lerdorf <rasmus@php.net>                             |
14   |          Mike Jackson <mhjack@tscnet.com>                            |
15   |          Steven Lawrance <slawrance@technologist.com>                |
16   |          Harrie Hazewinkel <harrie@lisanza.net>                      |
17   |          Johann Hanne <jonny@nurfuerspam.de>                         |
18   |          Boris Lytockin <lytboris@gmail.com>                         |
19   +----------------------------------------------------------------------+
20 */
21 
22 #ifndef PHP_SNMP_H
23 #define PHP_SNMP_H
24 
25 #define PHP_SNMP_VERSION PHP_VERSION
26 
27 #ifdef HAVE_SNMP
28 
29 #ifndef DLEXPORT
30 #define DLEXPORT
31 #endif
32 
33 extern zend_module_entry snmp_module_entry;
34 #define snmp_module_ptr &snmp_module_entry
35 
36 #ifdef ZTS
37 #include "TSRM.h"
38 #endif
39 
40 #include <net-snmp/net-snmp-config.h>
41 #include <net-snmp/net-snmp-includes.h>
42 
43 PHP_MINIT_FUNCTION(snmp);
44 PHP_MSHUTDOWN_FUNCTION(snmp);
45 PHP_MINFO_FUNCTION(snmp);
46 
47 typedef struct _php_snmp_object {
48 	struct snmp_session *session;
49 	int max_oids;
50 	int valueretrieval;
51 	int quick_print;
52 	int enum_print;
53 	int oid_output_format;
54 	int snmp_errno;
55 	int oid_increasing_check;
56 	int exceptions_enabled;
57 	char snmp_errstr[256];
58 	zend_object zo;
59 } php_snmp_object;
60 
php_snmp_fetch_object(zend_object * obj)61 static inline php_snmp_object *php_snmp_fetch_object(zend_object *obj) {
62 	return (php_snmp_object *)((char*)(obj) - XtOffsetOf(php_snmp_object, zo));
63 }
64 
65 #define Z_SNMP_P(zv) php_snmp_fetch_object(Z_OBJ_P((zv)))
66 
67 typedef int (*php_snmp_read_t)(php_snmp_object *snmp_object, zval *retval);
68 typedef int (*php_snmp_write_t)(php_snmp_object *snmp_object, zval *newval);
69 
70 typedef struct _ptp_snmp_prop_handler {
71 	const char *name;
72 	size_t name_length;
73 	php_snmp_read_t read_func;
74 	php_snmp_write_t write_func;
75 } php_snmp_prop_handler;
76 
77 typedef struct _snmpobjarg {
78 	char *oid;
79 	char type;
80 	char *value;
81 	oid  name[MAX_OID_LEN];
82 	size_t name_length;
83 } snmpobjarg;
84 
85 ZEND_BEGIN_MODULE_GLOBALS(snmp)
86 	int valueretrieval;
87 ZEND_END_MODULE_GLOBALS(snmp)
88 
89 #ifdef ZTS
90 #define SNMP_G(v) TSRMG(snmp_globals_id, zend_snmp_globals *, v)
91 #else
92 #define SNMP_G(v) (snmp_globals.v)
93 #endif
94 
95 #define SNMP_VALUE_LIBRARY	(0 << 0)
96 #define SNMP_VALUE_PLAIN	(1 << 0)
97 #define SNMP_VALUE_OBJECT	(1 << 1)
98 
99 #define PHP_SNMP_ERRNO_NOERROR			0
100 #define PHP_SNMP_ERRNO_GENERIC			(1 << 1)
101 #define PHP_SNMP_ERRNO_TIMEOUT			(1 << 2)
102 #define PHP_SNMP_ERRNO_ERROR_IN_REPLY		(1 << 3)
103 #define PHP_SNMP_ERRNO_OID_NOT_INCREASING	(1 << 4)
104 #define PHP_SNMP_ERRNO_OID_PARSING_ERROR	(1 << 5)
105 #define PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES	(1 << 6)
106 #define PHP_SNMP_ERRNO_ANY	( \
107 		PHP_SNMP_ERRNO_GENERIC | \
108 		PHP_SNMP_ERRNO_TIMEOUT | \
109 		PHP_SNMP_ERRNO_ERROR_IN_REPLY | \
110 		PHP_SNMP_ERRNO_OID_NOT_INCREASING | \
111 		PHP_SNMP_ERRNO_OID_PARSING_ERROR | \
112 		PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES | \
113 		PHP_SNMP_ERRNO_NOERROR \
114 	)
115 
116 #else
117 
118 #define snmp_module_ptr NULL
119 
120 #endif /* HAVE_SNMP */
121 
122 #define phpext_snmp_ptr snmp_module_ptr
123 
124 #endif  /* PHP_SNMP_H */
125