root/src/noit_conf.h

Revision 37daa37bbc546da8db4d76945b9c4b523e02d77b, 5.9 kB (checked in by Theo Schlossnagle <jesus@omniti.com>, 5 years ago)

online configuration filters, refs #182

  • Property mode set to 100644
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1 /*
2  * Copyright (c) 2007, OmniTI Computer Consulting, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  *     * Redistributions of source code must retain the above copyright
10  *       notice, this list of conditions and the following disclaimer.
11  *     * Redistributions in binary form must reproduce the above
12  *       copyright notice, this list of conditions and the following
13  *       disclaimer in the documentation and/or other materials provided
14  *       with the distribution.
15  *     * Neither the name OmniTI Computer Consulting, Inc. nor the names
16  *       of its contributors may be used to endorse or promote products
17  *       derived from this software without specific prior written
18  *       permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32
33 #ifndef _NOIT_CONF_H
34 #define _NOIT_CONF_H
35
36 #include "noit_defines.h"
37 #include "utils/noit_hash.h"
38 #include "noit_console.h"
39
40 #include <uuid/uuid.h>
41 #include <pcre.h>
42
43 typedef void * noit_conf_section_t;
44
45 #define NOIT_CONF_T_USERDATA "noit::state::conf_t"
46 typedef struct {
47   char *path;
48   uuid_t current_check;
49   char filter_name[50];
50   char prompt[50];
51 } noit_conf_t_userdata_t;
52
53 /* seconds == 0 disable config journaling watchdog */
54 API_EXPORT(void) noit_conf_coalesce_changes(u_int32_t seconds);
55 /* Start the watchdog */
56 API_EXPORT(void) noit_conf_watch_and_journal_watchdog(int (*f)(void *), void *c);
57
58 /* marks the config as changed.. if you manipulate the XML tree in any way
59  * you must call this function to "let the system know."  This is used
60  * to notice changes which are in turn flushed out.
61  */
62 API_EXPORT(void) noit_conf_mark_changed();
63
64 API_EXPORT(void) noit_conf_init(const char *toplevel);
65 API_EXPORT(int) noit_conf_load(const char *path);
66 API_EXPORT(int) noit_conf_save(const char *path);
67 API_EXPORT(char *) noit_conf_config_filename();
68
69 API_EXPORT(noit_conf_section_t)
70   noit_conf_get_section(noit_conf_section_t section, const char *path);
71 API_EXPORT(noit_conf_section_t *)
72   noit_conf_get_sections(noit_conf_section_t section, const char *path,
73                          int *cnt);
74
75 API_EXPORT(noit_hash_table *)
76   noit_conf_get_hash(noit_conf_section_t section, const char *path);
77
78 API_EXPORT(int) noit_conf_get_string(noit_conf_section_t section,
79                                      const char *path, char **value);
80
81 API_EXPORT(int) noit_conf_get_stringbuf(noit_conf_section_t section,
82                                         const char *path, char *value, int len);
83 API_EXPORT(int) noit_conf_get_int(noit_conf_section_t section,
84                                   const char *path, int *value);
85 API_EXPORT(int) noit_conf_string_to_int(const char *str);
86 API_EXPORT(int) noit_conf_get_float(noit_conf_section_t section,
87                                     const char *path, float *value);
88 API_EXPORT(float) noit_conf_string_to_float(const char *str);
89 API_EXPORT(int) noit_conf_get_boolean(noit_conf_section_t section,
90                                       const char *path, noit_boolean *value);
91 API_EXPORT(noit_boolean) noit_conf_string_to_boolean(const char *str);
92
93 API_EXPORT(int)
94   noit_conf_get_uuid(noit_conf_section_t section,
95                      const char *path, uuid_t out);
96
97 API_EXPORT(int) noit_conf_set_string(noit_conf_section_t section,
98                                      const char *path, const char *value);
99 API_EXPORT(int) noit_conf_set_int(noit_conf_section_t section,
100                                   const char *path, int value);
101 API_EXPORT(int) noit_conf_set_float(noit_conf_section_t section,
102                                     const char *path, float value);
103 API_EXPORT(int) noit_conf_set_boolean(noit_conf_section_t section,
104                                       const char *path, noit_boolean value);
105
106 API_EXPORT(int)
107   noit_conf_reload(noit_console_closure_t ncct,
108                    int argc, char **argv,
109                    noit_console_state_t *state, void *closure);
110 API_EXPORT(int)
111   noit_conf_write_terminal(noit_console_closure_t ncct,
112                            int argc, char **argv,
113                            noit_console_state_t *state, void *closure);
114 API_EXPORT(int)
115   noit_conf_write_file_console(noit_console_closure_t ncct,
116                                int argc, char **argv,
117                                noit_console_state_t *state, void *closure);
118 API_EXPORT(int)
119   noit_conf_write_file(char **err);
120
121 API_EXPORT(char *)
122   noit_conf_xml_in_mem(size_t *len);
123
124 API_EXPORT(int)
125   noit_conf_write_log();
126
127 API_EXPORT(void) noit_conf_log_init(const char *toplevel);
128
129 #define EXPOSE_CHECKER(name) \
130   API_EXPORT(pcre *) noit_conf_get_valid_##name##_checker();
131 #define DECLARE_CHECKER(name) \
132 static pcre *checker_valid_##name; \
133 pcre *noit_conf_get_valid_##name##_checker() { return checker_valid_##name; }
134 #define COMPILE_CHECKER(name, expr) do { \
135   const char *errorstr; \
136   int erroff; \
137   checker_valid_##name = pcre_compile(expr, 0, &errorstr, &erroff, NULL); \
138   if(! checker_valid_##name) { \
139     noitL(noit_error, "noit_conf error: compile checker %s failed: %s\n", \
140           #name, errorstr); \
141     exit(-1); \
142   } \
143 } while(0)
144
145 EXPOSE_CHECKER(name);
146
147 #endif
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