/*
#define DISABLE_LOGS
*/
#define MSG_BUFF_SZ             (10*1024*1024)
#define MAX_INT_ITF             1024
#define MSG_QBYTES		20*MSG_BUFF_SZ


#define ENABLE_DAC

#define SCHED_PRIO              40
#define SCHED_TYPE              SCHED_FIFO
#define EXEC_PRIO               50      
#define BRIDGE_PRIO             30
#define SYNC_PRIO               45

#define SND_PRIO		SCHED_PRIO+5
#define RCV_PRIO		SCHED_PRIO+5

#define DEFAULT_INTERNAL_BW	10000000

#define TS_ERROR_FRAC           10

#define FILE_SEPARATOR_CH       '/'

/* default path for daemons config file */
#define DEFAULT_DAEMONS_FILE    "/usr/local/etc/platform.conf"

/* default path for xitf config file */
#define DEFAULT_XITF_FILE       "/usr/local/etc/xitf.conf"

/* base phal path */
#define DEFAULT_RES_PATH        "/etc/phal/"

/* path for lock files */
#define LOCK_PATH               "/tmp/"
#define LOCK_PREFIX             "phdefault"
#define LOCK_FILE               "lock"

/* path to downloaded new processes */
#define RCV_PROC_PATH           "/tmp/"

#define DEFAULT_CPU_MIPS	0

#define DEF_FILE_LEN            SYSTEM_STR_MAX_LEN


/* Shared memory configuration */
#define HW_API_SHM_KEY          0xAA
#define HW_API_MSG_KEY          0x11
#define DATA_MSG_KEY            0x22
#define SEMAPHORE_KEY           0xFF

/** structure for keeping path of daemons to launch
 */
struct launch_daemons
{
  char path[SYSTEM_STR_MAX_LEN];
  char output[SYSTEM_STR_MAX_LEN];
  int pid;
  time_t cpu[3];
  int cpu_usec;
  int last_finish;
  int semid;
};



#define MAX_EXT_ITF 10

/* external network interfaces config db */
struct ext_itf {
	xitfid_t id;	
	int mode;	
	int port;
	char address[15];
	int pid;
	int bpid;
	int fsock;
	int fd;
	int in_mbox_id;
	int out_mbox_id;
	hwitf_t in_key_id;
	hwitf_t out_key_id;
	int type;
	struct hwapi_xitf_i info;
};



/** Network Database
*/
struct net_db {
	int nof_ext_itf;
	pid_t net_chld;
        char full_bridge;
        char litendian;
	struct ext_itf ext_itf[MAX_EXT_ITF];
};


/* database sizes */
#define MAX_CORES               32
#define MAX_PROCS               250 /** In linux, this can't be greater than linux/sem.h SEMMSL constant */
#define MAX_DAEMONS             15
#define MAX_VARS                2000

#define DAC_NSAMPLES_MAX	(1024*1024)

#define VAR_TABLE_SZ		(500*1024)

#define ITF_OPT_EXTERNAL	0xF00
#define ITF_OPT_URGENT		0xFF
#define ITF_OPT_URGENT_W	0xF0
#define ITF_OPT_URGENT_R	0x0F
#define ITF_OPT_BLOCKING      0xF000

/** Internal interface database
*/
struct int_itf {
	int id;		
	hwitf_t key_id;
	char r_obj[SYSTEM_STR_MAX_LEN];	
	char w_obj[SYSTEM_STR_MAX_LEN];	
	char r_itf[SYSTEM_STR_MAX_LEN];
	char w_itf[SYSTEM_STR_MAX_LEN];
	int opts;	
	hwitf_t remote_id;
        int delay;
	int network_pid; 
	int network_bpid; 
	int callback_pid; 
	void (*callback) (hwitf_t);
};

struct proc_time {
    time_t sys_syscpu;
    time_t sys_usrcpu;
    time_t lst_syscpu;
    time_t lst_usrcpu;
    int scnt;
    int ucnt;
    int last_cntxt;
};

struct dac_cfg {
	struct dac_interface *ptr;
	char filename[128];
	int ts_len;
	int NsamplesIn;
	int NsamplesOut;
	float dacinbuff[DAC_NSAMPLES_MAX];
	float dacoutbuff[DAC_NSAMPLES_MAX];
};

/** Common HW-API database */
struct hw_api_db
{
  /** network db (see below */
  struct net_db net_db;

  /** daemons structure */
  struct launch_daemons daemons[MAX_DAEMONS];

  /** internal interfaces  */
  struct int_itf int_itf[MAX_INT_ITF];

  /** process database */
  struct hwapi_proc_i proc_db[MAX_PROCS];

  int semids[MAX_CORES];
  int semdaemons;

  struct proc_time proc_time[MAX_PROCS];

  /** variable database */
  struct hwapi_var_i var_db[MAX_VARS];

  /* variable data contents */
  char var_table[VAR_TABLE_SZ];

  /** cpu information */
  struct hwapi_cpu_i cpu_info;

  /** zero time reference */
  time_t init_time;

  int sync_ts;

  int exec_pid;

  int exec_slot_div;
  int memCnt;
  char flushout;
  char printbt_atexit;
  char printbt_atterm;
  int default_delay;
  int numsamples;
  struct dac_cfg dac;

  char lock_file[DEF_FILE_LEN];

  int status_sem_id;
  char run_as_daemon;
  char priority;  
  char do_nice;
  char output_file[DEF_FILE_LEN];
  char report_file[DEF_FILE_LEN]; 
  char res_path[DEF_FILE_LEN]; 

};

#define MSG_MAGIC	0x1321



/** Runph Daemon message commands
 */
#define HWD_SETUP_XITF			0x0
#define HWD_CREATE_XITF			0x1
#define HWD_DAEMON_INIT			0x2
#define HWD_RESTART_XITF 		0x3
#define HWD_CREATE_PROCESS		0x4
#define HWD_REMOVE_PROCESS		0x5
#define HWD_READ_XITF_CFG		0x6
#define HWD_RUN_PROCESS			0x7


/* some constants for internal messaging
*/
#define TSTAMP_PKT_BITS                 4
#define TSTAMP_PKT_MASK                 0xF
#define TSTAMP_MAX_RED                  15


/* packet message header */
struct msghead {
    long dst;   /* message type, must be > 0 */
    long src;
    int opts;
    int tstamp;
};


/** message buffer structure */
struct msgbuff {
   struct msghead head;
   char body[MSG_BUFF_SZ];
};

#define MSG_SZ                  (sizeof(struct msgbuff))
#define MSG_HEAD_SZ		(sizeof(struct msghead))

int send_urgent_signal(struct int_itf *itf_db, hwitf_t itf_id);

#ifdef ENABLE_DAC
void close_dac();
int configure_dac (struct dac_cfg *dac, int sid, int sidx);
#endif