git.sesse.net Git - vlc/blob - include/input_vlan.h

   1 /*******************************************************************************
   2  * input_vlan.h: vlan input method
   3  * (c)1999 VideoLAN
   4  *******************************************************************************
   5  * ??
   6  *******************************************************************************
   7  * Required headers:
   8  * <netinet/in.h>
   9  * "vlc_thread.h"
  10  *******************************************************************************/
  11
  12 /*******************************************************************************
  13  * Vlan server related constants
  14  *******************************************************************************/
  15
  16 #define VLAN_SERVER_MSG_LENGTH  256             /* maximum length of a message */
  17 #define VLAN_CLIENT_VERSION     "1.3.0"                 /* vlan client version */
  18
  19 /* Messages codes */
  20 #define VLAN_LOGIN_REQUEST      98        /* login: <version> <login> <passwd> */
  21 #define VLAN_LOGIN_ANSWER       97                    /* login accepted: [msg] */
  22 #define VLAN_LOGIN_REJECTED     96                    /* login rejected: [msg] */
  23
  24 #define VLAN_LOGOUT             99                                   /* logout */
  25
  26 #define VLAN_INFO_REQUEST       31                        /* info: no argument */
  27 #define VLAN_INFO_ANSWER        32/* info ok: <switch> <port> <vlan> <sharers> */
  28 #define VLAN_INFO_REJECTED      33                     /* info rejected: [msg] */
  29
  30 #define VLAN_CHANGE_REQUEST     21/* change: <mac> [ip] <vlan dest> [vlan src] */
  31 #define VLAN_CHANGE_ANSWER      22                         /* change ok: [msg] */
  32 #define VLAN_CHANGE_REJECTED    23                     /* change failed: [msg] */
  33
  34 /*******************************************************************************
  35  * Macros to build/extract vlan_ids
  36  *******************************************************************************/
  37 #define VLAN_ID_IFACE( vlan_id )    ( ((vlan_id) >> 8) & 0xff )
  38 #define VLAN_ID_VLAN( vlan_id )     ( (vlan_id) & 0xff )
  39 #define VLAN_ID( iface, vlan )      ( ((iface) << 8) | (vlan) )
  40
  41 /*******************************************************************************
  42  * input_vlan_server_t: vlan server
  43  *******************************************************************************
  44  * This structure describes a vlan server.
  45  *******************************************************************************/
  46 typedef struct
  47 {
  48     struct sockaddr_in  sa_in;                               /* server address */
  49     int                 i_socket;                         /* socket descriptor */
  50
  51     /* Login informations */
  52     char *              psz_login;                             /* server login */
  53     char *              psz_passwd;                         /* server password */
  54 } input_vlan_server_t;
  55
  56 /*******************************************************************************
  57  * input_vlan_iface_t: vlan-capable network interface
  58  *******************************************************************************
  59  * This structure describes the abilities of a network interface capable of
  60  * vlan management. Note that an interface could have several IP adresses, but
  61  * since only the MAC address is used to change vlan, only one needs to be
  62  * retrieved.
  63  * ?? it could be interesting to send a port id on vlan request, to know if two
  64  * interfaces are dependant regarding vlan changes.
  65  *******************************************************************************/
  66 typedef struct
  67 {
  68     char *                  psz_name;                        /* interface name */
  69     struct sockaddr_in      sa_in;                             /* interface IP */
  70     char                    psz_mac[20];                      /* interface MAC */
  71
  72     /* Hardware properties */
  73     int                     i_master;                /* master interface index */
  74     int                     i_switch;                         /* switch number */
  75     int                     i_port;                             /* port number */
  76     int                     i_sharers;          /* number of MACs on this port */
  77
  78     /* Vlan properties - these are only used if i_master is negative */
  79     int                     i_refcount;                       /* locks counter */
  80     int                     i_vlan;                            /* current vlan */
  81     int                     i_default_vlan;                    /* default vlan */
  82 } input_vlan_iface_t;
  83
  84 /*******************************************************************************
  85  * vlan_method_data_t
  86  *******************************************************************************
  87  * Store global vlan library data.
  88  *******************************************************************************/
  89 typedef struct
  90 {
  91     vlc_mutex_t             lock;                              /* library lock */
  92
  93     /* Server */
  94     input_vlan_server_t     server;                             /* vlan server */
  95
  96     /* Network interfaces */
  97     int                     i_ifaces;   /* number of vlan-compliant interfaces */
  98     input_vlan_iface_t *    p_iface;                             /* interfaces */
  99 } input_vlan_method_t;
 100
 101 /*******************************************************************************
 102  * Prototypes
 103  *******************************************************************************/
 104 int     input_VlanMethodInit    ( input_vlan_method_t *p_method,
 105                                   char *psz_server, int i_port);
 106 void    input_VlanMethodFree    ( input_vlan_method_t *p_method );
 107
 108 int     input_VlanId            ( char *psz_iface, int i_vlan );
 109 int     input_VlanJoin          ( int i_vlan_id );
 110 void    input_VlanLeave         ( int i_vlan_id );
 111 int     input_VlanRequest       ( char *psz_iface );
 112 int     input_VlanSynchronize   ( void );
 113
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 115