pacemaker  2.1.7-0f7f88312f
Scalable High-Availability cluster resource manager
util.h
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1 /*
2  * Copyright 2004-2023 the Pacemaker project contributors
3  *
4  * The version control history for this file may have further details.
5  *
6  * This source code is licensed under the GNU Lesser General Public License
7  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
8  */
9 
10 #ifndef PCMK__CRM_COMMON_UTIL__H
11 # define PCMK__CRM_COMMON_UTIL__H
12 
13 # include <sys/types.h> // gid_t, mode_t, size_t, time_t, uid_t
14 # include <stdlib.h>
15 # include <stdbool.h>
16 # include <stdint.h> // uint32_t
17 # include <limits.h>
18 # include <signal.h>
19 # include <glib.h>
20 
21 # include <crm/common/acl.h>
22 # include <crm/common/actions.h>
23 # include <crm/common/agents.h>
24 # include <crm/common/results.h>
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
37 # define ONLINESTATUS "online" // Status of an online client
38 # define OFFLINESTATUS "offline" // Status of an offline client
39 
40 /* public node attribute functions (from attrd_client.c) */
41 char *pcmk_promotion_score_name(const char *rsc_id);
42 
43 /* public Pacemaker Remote functions (from remote.c) */
44 int crm_default_remote_port(void);
45 
46 /* public score-related functions (from scores.c) */
47 const char *pcmk_readable_score(int score);
48 int char2score(const char *score);
49 int pcmk__add_scores(int score1, int score2);
50 
51 /* public string functions (from strings.c) */
52 gboolean crm_is_true(const char *s);
53 int crm_str_to_boolean(const char *s, int *ret);
54 long long crm_get_msec(const char *input);
55 char * crm_strip_trailing_newline(char *str);
56 char *crm_strdup_printf(char const *format, ...) G_GNUC_PRINTF(1, 2);
57 
58 guint crm_parse_interval_spec(const char *input);
59 
60 int compare_version(const char *version1, const char *version2);
61 
62 /* coverity[+kill] */
63 void crm_abort(const char *file, const char *function, int line,
64  const char *condition, gboolean do_core, gboolean do_fork);
65 
75 static inline bool
76 pcmk_any_flags_set(uint64_t flag_group, uint64_t flags_to_check)
77 {
78  return (flag_group & flags_to_check) != 0;
79 }
80 
90 static inline bool
91 pcmk_all_flags_set(uint64_t flag_group, uint64_t flags_to_check)
92 {
93  return (flag_group & flags_to_check) == flags_to_check;
94 }
95 
99 #define pcmk_is_set(g, f) pcmk_all_flags_set((g), (f))
100 
101 char *crm_meta_name(const char *field);
102 const char *crm_meta_value(GHashTable * hash, const char *field);
103 
104 char *crm_md5sum(const char *buffer);
105 
106 char *crm_generate_uuid(void);
107 
108 // This belongs in ipc.h but is here for backward compatibility
109 bool crm_is_daemon_name(const char *name);
110 
111 int crm_user_lookup(const char *name, uid_t * uid, gid_t * gid);
112 int pcmk_daemon_user(uid_t *uid, gid_t *gid);
113 
114 #ifdef HAVE_GNUTLS_GNUTLS_H
115 void crm_gnutls_global_init(void);
116 #endif
117 
118 char *pcmk_hostname(void);
119 
120 bool pcmk_str_is_infinity(const char *s);
121 bool pcmk_str_is_minus_infinity(const char *s);
122 
123 #if !defined(PCMK_ALLOW_DEPRECATED) || (PCMK_ALLOW_DEPRECATED == 1)
124 #include <crm/common/util_compat.h>
125 #endif
126 
127 #ifdef __cplusplus
128 }
129 #endif
130 
131 #endif
API related to resource agents.
bool crm_is_daemon_name(const char *name)
Check whether string represents a client name used by cluster daemons.
Definition: ipc_server.c:999
char * crm_generate_uuid(void)
Definition: utils.c:509
const char * pcmk_readable_score(int score)
Return a displayable static string for a score value.
Definition: scores.c:86
const char * name
Definition: cib.c:26
APIs related to actions.
int char2score(const char *score)
Get the integer value of a score string.
Definition: scores.c:36
long long crm_get_msec(const char *input)
Parse a time+units string and return milliseconds equivalent.
Definition: strings.c:364
const char * crm_meta_value(GHashTable *hash, const char *field)
Definition: utils.c:490
char * pcmk_promotion_score_name(const char *rsc_id)
Return the name of the node attribute used as a promotion score.
Definition: attrs.c:80
int crm_user_lookup(const char *name, uid_t *uid, gid_t *gid)
Definition: utils.c:86
int pcmk_daemon_user(uid_t *uid, gid_t *gid)
Get user and group IDs of pacemaker daemon user.
Definition: utils.c:126
char * crm_meta_name(const char *field)
Definition: utils.c:468
Low-level API for XML Access Control Lists (ACLs)
char * crm_strdup_printf(char const *format,...) G_GNUC_PRINTF(1
bool pcmk_str_is_infinity(const char *s)
Definition: utils.c:543
Function and executable result codes.
int crm_str_to_boolean(const char *s, int *ret)
Definition: strings.c:424
bool pcmk_str_is_minus_infinity(const char *s)
Definition: utils.c:548
char guint crm_parse_interval_spec(const char *input)
Parse milliseconds from a Pacemaker interval specification.
Definition: utils.c:271
Deprecated Pacemaker utilities.
xmlNode * input
int compare_version(const char *version1, const char *version2)
Definition: utils.c:189
int pcmk__add_scores(int score1, int score2)
Definition: scores.c:116
char * crm_md5sum(const char *buffer)
Definition: digest.c:253
gboolean crm_is_true(const char *s)
Definition: strings.c:416
char * pcmk_hostname(void)
Get the local hostname.
Definition: utils.c:535
char * crm_strip_trailing_newline(char *str)
Definition: strings.c:1351
void crm_abort(const char *file, const char *function, int line, const char *condition, gboolean do_core, gboolean do_fork)
Definition: utils.c:397
int crm_default_remote_port(void)
Get the default remote connection TCP port on this host.
Definition: remote.c:1258