root/luci2/upsd/core.h @ 5807

#ifndef UPSDCORE_H_
#define UPSDCORE_H_

#include <time.h>
#include <sys/types.h>
#include <stdint.h>
#include "upsd.h"
#include "upsd_config.h"

#if __GNUC__ >= 4
    #define UPSD_LOCAL  __attribute__ ((visibility("hidden")))
#else
    #define UPSD_LOCAL
#endif

#define UPSD_LENGTHOF(array) (sizeof(array) / sizeof(*array))
#define UPSD_MACRO_STRING(x) _UPSD_MACRO_STRING(x)
#define _UPSD_MACRO_STRING(x) #x
#define UPSD_LITERAL_PTRSIZE(x) x, (sizeof(x) - 1)


typedef struct upsd_listener upsd_listener_t;
typedef struct upsd_event upsd_event_t;
typedef struct upsd_inst upsd_inst_t;
typedef struct upsd_initlist upsd_initlist_t;
typedef struct upsd_handler upsd_handler_t;
typedef struct upsd_extension upsd_extension_t;
typedef union upsd_handle upsd_handle_t;

#define UPSD_ACTION_INTERNAL_CLEAN  ((upsd_action_t) -1)

/* Status handle for asynchronous init actions */
union upsd_handle {
    pid_t pid;
    int descriptor;
    void *pointer;
};

/* Dynamic state part of a service, changing throughout commands */
struct upsd_handler {
    uint16_t flags;
    uint16_t awaiting;
    int16_t status;
    time_t timeout;
    upsd_handle_t handle;
};

/* Service dataset */
struct upsd_init {
    uint16_t flags;
    void *identifier;
    char **options;
    char **provides;
    upsd_worker_t *worker;
    upsd_handler_t hndl;
};

/* Event listener instance */
struct upsd_listener {
    uint16_t flags;
    upsd_action_t action;
    char *emitter;
    char *receiver;
};

/* Event dataset */
struct upsd_event {
    uint16_t receiving;
    uint16_t emitting;
    upsd_listener_t **receivers;
    upsd_listener_t **emitters;
    upsd_init_t *designated;
};

/* Service list */
struct upsd_initlist {
    upsd_init_t *init;
    upsd_initlist_t *next;
};

/* Command action instance */
struct upsd_inst {
    uint16_t flags;
    uint16_t remaining;
    uint16_t active;
    uint16_t lasterror;
    time_t time;
    upsd_initlist_t *actions;
};

struct upsd_extension {
    upsd_extension_t *next;
    uint16_t flags;
    upsd_action_t action;
    upsd_hook_t *hook;
    void *context;
};


#include "cbi2/hmap.h"

struct upsd_state {
    cbi2_hmap_t *events;
    upsd_extension_t *extensions;
    upsd_report_t *report;
    size_t reportidx;
    upsd_inst_t inst;
};

#define UPSD_INIT_LEGACY            0x01
#define UPSD_INIT_INTERNAL          0x02
#define UPSD_INIT_INTERACTIVE       0x04


#if UPSD_LOGGING >= 4
    #define UPSD_LOG_INFO(...)      syslog(LOG_INFO, __VA_ARGS__)
#else
    #define UPSD_LOG_INFO(...)
#endif

#if UPSD_LOGGING >= 3
    #define UPSD_LOG_NOTE(...)      syslog(LOG_NOTICE, __VA_ARGS__)
#else
    #define UPSD_LOG_NOTE(...)
#endif

#if UPSD_LOGGING >= 2
    #define UPSD_LOG_WARN(...)      syslog(LOG_WARNING, __VA_ARGS__)
#else
    #define UPSD_LOG_WARN(...)
#endif

#if UPSD_LOGGING >= 1
    #define UPSD_LOG_ERROR(...)     syslog(LOG_ERR, __VA_ARGS__)
    #include <syslog.h>
#else
    #define UPSD_LOG_ERROR(...)
#endif

#endif /* UPSDCORE_H_ */