1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
#ifndef CLI_H_INCLUDED
#define CLI_H_INCLUDED
#include <stdint.h>
/*
* CLI commands consist of 4 bytes, a verb (byte 0) and up to
* 3 qualifiers (byte 1 - 3).
*/
enum {
/* See INVALID_FINGERPRINT in cli.c */
KEY_INVALID = 0,
/* Verbs */
VRB_LIST = 1,
VRB_ADD = 2,
VRB_DEL = 3,
VRB_RESET = 4,
VRB_SWITCH = 5,
VRB_RECONFIGURE = 6,
VRB_SUSPEND = 7,
VRB_RESUME = 8,
VRB_RESIZE = 9,
VRB_RELOAD = 10,
VRB_FAIL = 11,
VRB_REINSTATE = 12,
VRB_DISABLEQ = 13,
VRB_RESTOREQ = 14,
VRB_FORCEQ = 15,
VRB_GETPRSTATUS = 16,
VRB_SETPRSTATUS = 17,
VRB_UNSETPRSTATUS = 18,
VRB_GETPRKEY = 19,
VRB_SETPRKEY = 20,
VRB_UNSETPRKEY = 21,
VRB_SETMARGINAL = 22,
VRB_UNSETMARGINAL = 23,
VRB_SHUTDOWN = 24,
VRB_QUIT = 25,
VRB_GETPRHOLD = 26,
VRB_SETPRHOLD = 27,
VRB_UNSETPRHOLD = 28,
/* Qualifiers, values must be different from verbs */
KEY_PATH = 65,
KEY_PATHS = 66,
KEY_MAP = 67,
KEY_MAPS = 68,
KEY_TOPOLOGY = 69,
KEY_CONFIG = 70,
KEY_BLACKLIST = 71,
KEY_DEVICES = 72,
KEY_WILDCARDS = 73,
KEY_ALL = 74,
KEY_DAEMON = 75,
KEY_FMT = 76,
KEY_RAW = 77,
KEY_STATUS = 78,
KEY_STATS = 79,
KEY_JSON = 80,
KEY_LOCAL = 81,
KEY_GROUP = 82,
KEY_KEY = 83,
};
/*
* The shifted qualifiers determine valid positions of the
* keywords in the known commands. E.g. the only qualifier
* that's valid in position 3 is "fmt", e.g. "list maps raw fmt".
*/
enum {
/* byte 1: qualifier 1 */
Q1_PATH = KEY_PATH << 8,
Q1_PATHS = KEY_PATHS << 8,
Q1_MAP = KEY_MAP << 8,
Q1_MAPS = KEY_MAPS << 8,
Q1_TOPOLOGY = KEY_TOPOLOGY << 8,
Q1_CONFIG = KEY_CONFIG << 8,
Q1_BLACKLIST = KEY_BLACKLIST << 8,
Q1_DEVICES = KEY_DEVICES << 8,
Q1_WILDCARDS = KEY_WILDCARDS << 8,
Q1_ALL = KEY_ALL << 8,
Q1_DAEMON = KEY_DAEMON << 8,
Q1_STATUS = KEY_STATUS << 8,
/* byte 2: qualifier 2 */
Q2_FMT = KEY_FMT << 16,
Q2_RAW = KEY_RAW << 16,
Q2_STATUS = KEY_STATUS << 16,
Q2_STATS = KEY_STATS << 16,
Q2_TOPOLOGY = KEY_TOPOLOGY << 16,
Q2_JSON = KEY_JSON << 16,
Q2_LOCAL = KEY_LOCAL << 16,
Q2_GROUP = KEY_GROUP << 16,
Q2_KEY = KEY_KEY << 16,
/* byte 3: qualifier 3 */
Q3_FMT = KEY_FMT << 24,
};
#define INITIAL_REPLY_LEN 1200
#define REALLOC_REPLY(r, a, m) \
do { \
if ((a)) { \
char *tmp = (r); \
\
if (m >= MAX_REPLY_LEN) { \
condlog(1, "Warning: max reply length exceeded"); \
free(tmp); \
(r) = NULL; \
} else { \
(r) = realloc((r), (m) * 2); \
if ((r)) { \
memset((r) + (m), 0, (m)); \
(m) *= 2; \
} \
else \
free(tmp); \
} \
} \
} while (0)
struct key {
char * str;
char * param;
uint8_t code;
int has_param;
};
struct strbuf;
typedef int (cli_handler)(void *keywords, struct strbuf *reply, void *data);
struct handler {
uint32_t fingerprint;
int locked;
cli_handler *fn;
};
int alloc_handlers (void);
int set_handler_callback__ (uint32_t fp, cli_handler *fn, bool locked);
#define set_handler_callback(fp, fn) set_handler_callback__(fp, fn, true)
#define set_unlocked_handler_callback(fp, fn) set_handler_callback__(fp, fn, false)
int get_cmdvec (char *cmd, vector *v, bool allow_incomplete);
struct handler *find_handler_for_cmdvec(const struct vector_s *v);
void genhelp_handler (const char *cmd, int error, struct strbuf *reply);
int load_keys (void);
char * get_keyparam (vector v, uint8_t code);
void free_key (struct key * kw);
void free_keys (vector vec);
void free_handlers (void);
int cli_init (void);
void cli_exit(void);
uint32_t fingerprint(const struct vector_s *vec);
vector get_keys(void);
vector get_handlers(void);
struct key *find_key (const char * str);
#endif /* CLI_H_INCLUDED */
|
