device: Don't process link events anymore in device user specific callback handlers
[project/netifd.git] / netifd.h
1 /*
2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14 #ifndef __NETIFD_H
15 #define __NETIFD_H
16
17 #include <sys/socket.h>
18 #include <net/if.h>
19
20 #include <stdbool.h>
21 #include <stdio.h>
22
23 #include <libubox/uloop.h>
24 #include <libubox/ustream.h>
25 #include <libubox/utils.h>
26
27 #include <libubus.h>
28
29 #include "utils.h"
30
31 #ifdef DUMMY_MODE
32 #define DEFAULT_MAIN_PATH "./examples"
33 #define DEFAULT_CONFIG_PATH "./config"
34 #define DEFAULT_HOTPLUG_PATH "./examples/hotplug-cmd"
35 #define DEFAULT_RESOLV_CONF "./tmp/resolv.conf"
36 #else
37 #define DEFAULT_MAIN_PATH "/lib/netifd"
38 #define DEFAULT_CONFIG_PATH NULL /* use the default set in libuci */
39 #define DEFAULT_HOTPLUG_PATH "/sbin/hotplug-call"
40 #define DEFAULT_RESOLV_CONF "/tmp/resolv.conf.auto"
41 #endif
42
43 extern const char *resolv_conf;
44 extern char *hotplug_cmd_path;
45 extern unsigned int debug_mask;
46
47 enum {
48 L_CRIT,
49 L_WARNING,
50 L_NOTICE,
51 L_INFO,
52 L_DEBUG
53 };
54
55 enum {
56 DEBUG_SYSTEM = 0,
57 DEBUG_DEVICE = 1,
58 DEBUG_INTERFACE = 2,
59 DEBUG_WIRELESS = 3,
60 };
61
62 #ifdef DEBUG
63 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
64 #define D(level, format, ...) do { \
65 if (debug_mask & (1 << (DEBUG_ ## level))) \
66 DPRINTF(format, ##__VA_ARGS__); \
67 } while (0)
68 #else
69 #define DPRINTF(format, ...) no_debug(0, format, ## __VA_ARGS__)
70 #define D(level, format, ...) no_debug(DEBUG_ ## level, format, ## __VA_ARGS__)
71 #endif
72
73 #define LOG_BUF_SIZE 256
74
75 static inline void no_debug(int level, const char *fmt, ...)
76 {
77 }
78
79 struct netifd_process {
80 struct list_head list;
81 struct uloop_process uloop;
82 void (*cb)(struct netifd_process *, int ret);
83 int dir_fd;
84
85 struct ustream_fd log;
86 const char *log_prefix;
87 bool log_overflow;
88 };
89
90 void netifd_log_message(int priority, const char *format, ...);
91
92 int netifd_start_process(const char **argv, char **env, struct netifd_process *proc);
93 void netifd_kill_process(struct netifd_process *proc);
94
95 struct device;
96 struct interface;
97
98 extern const char *main_path;
99 extern const char *config_path;
100 void netifd_restart(void);
101 void netifd_reload(void);
102
103 #endif