diplodocus.org Git - nmh/blob - docs/historical/mh-jun-1982/Extras/imp.h

   1 #ifdef COMMENT
   2         Proprietary Rand Corporation, 1981.
   3         Further distribution of this software
   4         subject to the terms of the Rand
   5         license agreement.
   6 #endif
   7
   8
   9 #ifdef  OLDNCP
  10 struct netopen  /* Format of open request */
  11 {
  12         long no_lskt;   /* Local socket */
  13         long no_fskt;   /* Foreign socket */
  14         short no_flags; /* Flag bits */
  15         short no_rel;   /* Local socket relative to this file */
  16         short no_imp;   /* Imp number */
  17         char no_host;   /* Host within Imp */
  18         char no_net;    /* Network number (!) */
  19         char no_bsize;  /* Byte size */
  20 };
  21 #else
  22 struct netopen  /* Format of open request */
  23 {
  24         long no_lskt;   /* Local socket */
  25         long no_fskt;   /* Foreign socket */
  26         short no_flags; /* Flag bits */
  27         short no_rel;   /* Local socket relative to this file */
  28         short no_imp;   /* Imp number */
  29         char no_host;   /* Host within Imp */
  30         char no_net;    /* Network number (!) */
  31         char no_bsize;  /* Byte size */
  32 };
  33 #endif
  34
  35 #define NO_ABS 01       /* Absolute local socket number for a connect */
  36 #define NO_REL 02       /* Relative to another file */
  37
  38 #define NIMPS   20      /* number of imp devices */
  39 #define MAX_IMPS  10    /* number of imp devices, starting from imp1 */
  40
  41 #define HOSTTBL "/etc/nethosts"
  42
  43 /* Op codes */
  44 #define NET_CNCT 0
  45 #define NET_RD   1
  46 #define NET_WRT  2
  47 #define NET_CLS  3
  48 #define NET_LSN  4
  49 #define NET_SICP 5
  50 #define NET_UICP 6
  51 #define NET_RST  7
  52 #define NET_STRT 8
  53 #define NET_LOG  9
  54 #define NET_RSTAT 10
  55 #define NET_WSTAT 11
  56 #define NET_SRVR  12
  57 #define NET_DUMP  13
  58 #define NET_FLOW 255
  59
  60 /* ioctl commands for imp device*/
  61 #define IMPCONCT        (('I'<<8)|NET_CNCT)    /* Connect */
  62 #define IMPLISTN        (('I'<<8)|NET_LSN )    /* Listen */
  63 #define IMPSICP         (('I'<<8)|NET_SICP)    /* Server ICP */
  64 #define IMPUICP         (('I'<<8)|NET_UICP)    /* User ICP */
  65 #define IMPRST          (('I'<<8)|NET_RST )    /* Reset */
  66 #define IMPSTRT         (('I'<<8)|NET_STRT)    /* Start NCP */
  67 #define IMPLOG          (('I'<<8)|NET_LOG )    /* Set log flags */
  68 #define IMPRSTAT        (('I'<<8)|NET_RSTAT)   /* Read socket status */
  69 #define IMPWSTAT        (('I'<<8)|NET_WSTAT)   /* Write socket status */
  70 #define IMPRDST         (('I'<<8)|100     )  /* Get read status */
  71 #define IMPWRTST        (('I'<<8)|101     )  /* Get write status */
  72
  73 /* Structure for IMPSTAT ioctl */
  74 struct sockstat {
  75         long sck_lskt;
  76         long sck_fskt;
  77         short sck_imp;
  78         char sck_host;
  79         char sck_net;
  80 };
  81
  82 long hostnum();
  83 char *hos