m2mb_dns_service_discovery.h

Go to the documentation of this file.

/*===============================================================================================*/
/*         >>> Copyright (C) Telit Communications S.p.A. Italy All Rights Reserved. <<<          */
#ifndef  M2MB_DNS_SERVICE_DISCOVERY_H
#define  M2MB_DNS_SERVICE_DISCOVERY_H
#ifdef __cplusplus
extern "C" {
#endif

/*-----------------------------------------------------------------------------------------------*/

/* Global declarations ==========================================================================*/

#define M2MB_DNSSD_MAX_BUF_ENTRIES  15    
#define M2MB_DNSSD_MAX_TIMEOUT      5000  
/* Global typedefs ==============================================================================*/

struct M2MB_DNSSD_DISCOVER_T;

typedef void (*M2MB_DNSSD_CB_T)(struct M2MB_DNSSD_DISCOVER_T *param);

typedef enum
{
  M2MB_DNSSD_START_E,             
  M2MB_DNSSD_STOP_E,              
  M2MB_DNSSD_DISCOVER_E,          
  M2MB_DNSSD_INIT_E,              
  M2MB_DNSSD_TARGET_INFO_E,       
} M2MB_DNSSD_COMMAND_E;

typedef enum
{
        M2MB_DNSSD_IPV4_ADDR         = 0x01, 
        M2MB_DNSSD_PTR               = 0x0c, 
        M2MB_DNSSD_TYPE_TXT_INFO     = 0x10, 
        M2MB_DNSSD_IPV6_ADDR         = 0x1c, 
        M2MB_DNSSD_TYPE_TARGET_INFO  = 0x21, 
        M2MB_DNSSD_SEC               = 0x2f, 
        M2MB_DNSSD_ANY               = 0xff, 
} M2MB_DNSSD_RSP_TYPE_E;

typedef struct 
{
  UINT32          timeout;        
  M2MB_DNSSD_CB_T cb;             
  UINT32          max_Entries;    
} M2MB_DNSSD_CTXT_T;

typedef struct
{
        UINT32         ip_Version;     
        CHAR          *if_Name;        
} M2MB_DNSSD_START_T;

typedef struct 
{
  M2MB_DNSSD_CTXT_T **ctxt;       
  UINT32              timeout;    
  UINT32              max_Entries;
  M2MB_DNSSD_CB_T     cb;         
}M2MB_DNSSD_INIT_T;

typedef struct
{
        UINT16       priority;         
        UINT16       weight;           
        UINT16       port;             
        UINT8       *server_Name;      
} M2MB_DNSSD_TARGET_INFO_T;

typedef struct 
{
        M2MB_DNSSD_RSP_TYPE_E type;  
        CHAR                 *name;  
        UINT32                ttl;   
        union {
                CHAR  *svr_Name;                                        
                M2MB_DNSSD_TARGET_INFO_T *target;       
                UINT32 ipv4_Addr;                               
                M2MB_IP6_ADDR_T *ipv6_Addr;                     
                CHAR *txt[5];                                   
        }data;                                                      
} M2MB_DNSSD_DATA_T;

typedef struct
{
        M2MB_DNSSD_DATA_T **data;                               
        UINT32 data_Count;                                      
} M2MB_DNSSD_DISCOVER_ENTRY_T;

typedef struct M2MB_DNSSD_DISCOVER_T {
    M2MB_DNSSD_CTXT_T*ctxt;                             
    M2MB_DNSSD_DISCOVER_ENTRY_T **entries;  
    UINT32 entry_Count;                                 
} M2MB_DNSSD_DISCOVER_T;

/* Global functions =========================================================*/
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
M2MB_STATUS_T m2mb_dnssd_start( M2MB_DNSSD_START_T *start );

/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
M2MB_STATUS_T m2mb_dnssd_init( M2MB_DNSSD_INIT_T *init );

/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
M2MB_STATUS_T m2mb_dnssd_stop( M2MB_DNSSD_CTXT_T *ctxt );

/*---------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------------------*/
M2MB_STATUS_T m2mb_dnssd_discover(const CHAR *svc_instance_name);

/*-----------------------------------------------------------------------------------------------*/

#ifdef __cplusplus
}
#endif
#endif