aboutsummaryrefslogtreecommitdiffstats
path: root/openbsc/include/openbsc/control_cmd.h
blob: 8aede15df8f89c9885a0d3188bd165404da8d702 (plain)
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
#ifndef _CONTROL_CMD_H
#define _CONTROL_CMD_H

#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/write_queue.h>

#include <osmocom/vty/vector.h>

#include <openbsc/vty.h>

#define CTRL_CMD_ERROR		-1
#define CTRL_CMD_HANDLED	0
#define CTRL_CMD_REPLY		1

struct ctrl_handle;

enum ctrl_node_type {
	CTRL_NODE_ROOT,	/* Root elements */
	CTRL_NODE_BTS,	/* BTS specific (net.btsN.) */
	CTRL_NODE_TRX,	/* TRX specific (net.btsN.trxM.) */
	CTRL_NODE_TS,	/* TS specific (net.btsN.trxM.tsI.) */
	_LAST_CTRL_NODE
};

enum ctrl_type {
	CTRL_TYPE_UNKNOWN,
	CTRL_TYPE_GET,
	CTRL_TYPE_SET,
	CTRL_TYPE_GET_REPLY,
	CTRL_TYPE_SET_REPLY,
	CTRL_TYPE_TRAP,
	CTRL_TYPE_ERROR
};

struct ctrl_connection {
	struct llist_head list_entry;

	/* The queue for sending data back */
	struct osmo_wqueue write_queue;

	/* Buffer for partial input data */
	struct msgb *pending_msg;

	/* Callback if the connection was closed */
	void (*closed_cb)(struct ctrl_connection *conn);

	/* Pending commands for this connection */
	struct llist_head cmds;
};

struct ctrl_cmd {
	struct ctrl_connection *ccon;
	enum ctrl_type type;
	char *id;
	void *node;
	char *variable;
	char *value;
	char *reply;
};

struct ctrl_cmd_struct {
	int nr_commands;
	char **command;
};

struct ctrl_cmd_element {
	const char *name;
	const char *param;
	struct ctrl_cmd_struct strcmd;
	int (*set)(struct ctrl_cmd *cmd, void *data);
	int (*get)(struct ctrl_cmd *cmd, void *data);
	int (*verify)(struct ctrl_cmd *cmd, const char *value, void *data);
};

struct ctrl_cmd_map {
	char *cmd;
	enum ctrl_type type;
};

int ctrl_cmd_exec(vector vline, struct ctrl_cmd *command, vector node, void *data);
int ctrl_cmd_install(enum ctrl_node_type node, struct ctrl_cmd_element *cmd);
int ctrl_cmd_send(struct osmo_wqueue *queue, struct ctrl_cmd *cmd);
int ctrl_cmd_send_to_all(struct ctrl_handle *ctrl, struct ctrl_cmd *cmd);
struct ctrl_cmd *ctrl_cmd_parse(void *ctx, struct msgb *msg);
struct msgb *ctrl_cmd_make(struct ctrl_cmd *cmd);
struct ctrl_cmd *ctrl_cmd_cpy(void *ctx, struct ctrl_cmd *cmd);
struct ctrl_cmd *ctrl_cmd_create(void *ctx, enum ctrl_type);
struct ctrl_cmd *ctrl_cmd_trap(struct ctrl_cmd *cmd);


#define CTRL_HELPER_GET_INT(cmdname, dtype, element) \
static int get_##cmdname(struct ctrl_cmd *cmd, void *_data) \
{ \
	dtype *node = cmd->node; \
	cmd->reply = talloc_asprintf(cmd, "%i", node->element); \
	if (!cmd->reply) { \
		cmd->reply = "OOM"; \
		return CTRL_CMD_ERROR; \
	} \
	return CTRL_CMD_REPLY; \
}
#define CTRL_HELPER_SET_INT(cmdname, dtype, element) \
static int set_##cmdname(struct ctrl_cmd *cmd, void *_data) \
{ \
	dtype *node = cmd->node; \
	int tmp = atoi(cmd->value); \
	node->element = tmp; \
	return get_##cmdname(cmd, _data); \
}
#define CTRL_HELPER_VERIFY_RANGE(cmdname, min, max) \
static int verify_##cmdname(struct ctrl_cmd *cmd, const char *value, void *_data) \
{ \
	int tmp = atoi(value); \
	if ((tmp >= min)&&(tmp <= max)) { \
		return 0; \
	} \
	cmd->reply = "Input not within the range"; \
	return -1; \
}

#define CTRL_CMD_DEFINE_RANGE(cmdname, cmdstr, dtype, element, min, max) \
	CTRL_HELPER_GET_INT(cmdname, dtype, element) \
	CTRL_HELPER_SET_INT(cmdname, dtype, element) \
	CTRL_HELPER_VERIFY_RANGE(cmdname, min, max) \
static struct ctrl_cmd_element cmd_##cmdname = { \
	.name = cmdstr, \
	.param = NULL, \
	.get = &get_##cmdname, \
	.set = &set_##cmdname, \
	.verify = &verify_##cmdname, \
}

#define CTRL_HELPER_GET_STRING(cmdname, dtype, element) \
static int get_##cmdname(struct ctrl_cmd *cmd, void *_data) \
{ \
	dtype *data = cmd->node; \
	cmd->reply = talloc_asprintf(cmd, "%s", data->element); \
	if (!cmd->reply) { \
		cmd->reply = "OOM"; \
		return CTRL_CMD_ERROR; \
	} \
	return CTRL_CMD_REPLY; \
}
#define CTRL_HELPER_SET_STRING(cmdname, dtype, element) \
static int set_##cmdname(struct ctrl_cmd *cmd, void *_data) \
{ \
	dtype *data = cmd->node; \
	bsc_replace_string(cmd->node, &data->element, cmd->value); \
	return get_##cmdname(cmd, _data); \
}
#define CTRL_CMD_DEFINE_STRING(cmdname, cmdstr, dtype, element) \
	CTRL_HELPER_GET_STRING(cmdname, dtype, element) \
	CTRL_HELPER_SET_STRING(cmdname, dtype, element) \
static struct ctrl_cmd_element cmd_##cmdname = { \
	.name = cmdstr, \
	.param = NULL, \
	.get = &get_##cmdname, \
	.set = &set_##cmdname, \
	.verify = NULL, \
}

#define CTRL_CMD_DEFINE(cmdname, cmdstr) \
static int get_##cmdname(struct ctrl_cmd *cmd, void *data); \
static int set_##cmdname(struct ctrl_cmd *cmd, void *data); \
static int verify_##cmdname(struct ctrl_cmd *cmd, const char *value, void *data); \
static struct ctrl_cmd_element cmd_##cmdname = { \
	.name = cmdstr, \
	.param = NULL, \
	.get = &get_##cmdname, \
	.set = &set_##cmdname, \
	.verify = &verify_##cmdname, \
}

struct gsm_network;

#endif /* _CONTROL_CMD_H */