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gottfriedleibniz
d79382bbfe
* chore: run codespell on source/header files Fixes most reported typos discovered by codespell (while trying to be unopinionated about American vs. British English). * chore: run codespell on build/readme files
154 lines
8.7 KiB
C
154 lines
8.7 KiB
C
/* COMMADPT.H (c)Copyright Ivan Warren, 2003-2012 */
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/* Structure definitions for 2703 line driver */
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/* */
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/* Released under "The Q Public License Version 1" */
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/* (http://www.hercules-390.org/herclic.html) as modifications to */
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/* Hercules. */
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#ifndef __COMMADPT_H__
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#define __COMMADPT_H__
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#define TTYLINE_SZ 512
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#include "hercules.h"
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typedef struct _COMMADPT_RING
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{
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BYTE *bfr;
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size_t sz;
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size_t hi;
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size_t lo;
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u_int havedata:1;
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u_int overflow:1;
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} COMMADPT_RING;
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struct COMMADPT
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{
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DEVBLK *dev; /* the devblk to which this CA is attached */
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BYTE lnctl; /* Line control used */
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BYTE term; /* Terminal type */
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BYTE* code_table_toebcdic; /* correspondence or EBCD code tables */
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BYTE* code_table_fromebcdic; /* correspondence or EBCD code tables */
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int rto; /* Read Time-Out */
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int pto; /* Poll Time-Out */
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int eto; /* Enable Time-Out */
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int kaidle; /* Keepalive idle seconds */
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int kaintv; /* Keepalive probe interval */
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int kacnt; /* Keepalive probe count */
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TID cthread; /* Thread used to control the socket */
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BYTE curpending; /* Current pending operation */
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U16 lport; /* Local listening port */
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in_addr_t lhost; /* Local listening address */
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U16 rport; /* Remote TCP Port */
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in_addr_t rhost; /* Remote connection IP address */
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int sfd; /* Communication socket FD */
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int lfd; /* Listen socket for DIAL=IN, INOUT & NO */
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COND ipc; /* I/O <-> thread IPC condition EVB */
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COND ipc_halt; /* I/O <-> thread IPC HALT special EVB */
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LOCK lock; /* COMMADPT lock */
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int pipe[2]; /* pipe used for I/O to thread signaling */
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COMMADPT_RING inbfr; /* Input buffer ring */
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COMMADPT_RING outbfr; /* Output buffer ring */
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COMMADPT_RING pollbfr; /* Ring used for POLL data */
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COMMADPT_RING rdwrk; /* Inbound data flow work ring */
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COMMADPT_RING ttybuf; /* async: partial TTY input line */
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U16 devnum; /* devnum copy from DEVBLK */
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BYTE dialdata[32]; /* Dial data information */
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U16 dialcount; /* data count for dial */
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BYTE pollix; /* Next POLL Index */
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U16 pollused; /* Count of Poll data used during Poll */
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u_int enabled:1; /* ENABLE CCW has been successfully issued */
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u_int connect:1; /* A connection exists with the remote peer */
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u_int eibmode:1; /* EIB Setmode issued */
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u_int dialin:1; /* This is a SWITCHED DIALIN line */
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u_int dialout:1; /* This is a SWITCHED DIALOUT line */
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u_int have_cthread:1; /* the comm thread is running */
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u_int dolisten:1; /* Start a listen */
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u_int listening:1; /* Listening */
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u_int haltpending:1; /* A request has been issued to halt current*/
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/* CCW */
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u_int xparwwait:1; /* Transparent Write Wait state : a Write */
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/* was previously issued that turned the */
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/* line into transparent mode. Anything */
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/* else than another write, Sense or NO-OP */
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/* is rejected with SENSE_CR */
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/* This condition is reset upon receipt of */
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/* DLE/ETX or DLE/ETB on a subsequent write */
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u_int input_overrun:1; /* The input ring buffer has overwritten */
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/* itself */
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u_int in_textmode:1; /* Input buffer processing : text mode */
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u_int in_xparmode:1; /* Input buffer processing : transparent */
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u_int gotdle:1; /* DLE Received in inbound flow */
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u_int pollsm:1; /* Issue Status Modifier on POLL Exit */
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u_int badpoll:1; /* Bad poll data (>7 Bytes before ENQ) */
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u_int callissued:1; /* The connect out for the DIAL/ENABLE */
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/* has already been issued */
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u_int readcomp:1; /* Data in the read buffer completes a read */
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u_int datalostcond:1; /* Data Lost Condition Raised */
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u_int telnet_opt:1; /* expecting telnet option char */
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u_int telnet_iac:1; /* expecting telnet command char */
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u_int telnet_int:1; /* telnet interrupt received */
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u_int eol_flag:1; /* carriage return received flag */
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u_int uctrans:1; /* Uppercase translate flag */
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u_int dumb_bs:1; /* perform backspace editing in driver */
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u_int dumb_break:1; /* map ASCII ETX (Ctrl-C) to interrupt/attn */
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u_int haltprepare:1; /* for race condition circumvention */
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u_int rxvt4apl:1; /* 2741 mode for rxvt4apl */
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u_int overstrike_flag:1; /* overstrike sequence in progress */
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u_int crlf_opt:1; /* map 2741 NL to CRLF */
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u_int sendcr_opt:1; /* send CR after input line received */
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u_int binary_opt:1; /* initiate telnet binary mode */
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u_int crlf2cr_opt:1; /* Remove LF that immediately follow CR */
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BYTE telnet_cmd; /* telnet command received */
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BYTE byte_skip_table[256]; /* async: characters to suppress in output */
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BYTE input_byte_skip_table[256]; /* async: characters to suppress in input */
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BYTE prepend_length; /* number of bytes (0-4) to prepend */
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BYTE prepend_bytes[4]; /* bytes to prepend (per prepend_length) */
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BYTE append_length; /* number of bytes (0-4) to append */
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BYTE append_bytes[4]; /* bytes to append (per append_length) */
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BYTE eol_char; /* end of line character */
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BYTE saved_char; /* saved previous character for overstrike */
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};
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enum commadpt_lnctl {
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COMMADPT_LNCTL_BSC=1, /* BSC Line Control */
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COMMADPT_LNCTL_ASYNC /* ASYNC Line Control */
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};
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enum commadpt_term {
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COMMADPT_TERM_TTY, /* TTY (TELE2) */
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COMMADPT_TERM_2741, /* 2741 (IBM1) */
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};
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#define IS_BSC_LNCTL(ca) ((ca->lnctl == COMMADPT_LNCTL_BSC))
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#define IS_ASYNC_LNCTL(ca) ((ca->lnctl == COMMADPT_LNCTL_ASYNC))
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enum commadpt_pendccw {
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COMMADPT_PEND_IDLE=0, /* NO CCW currently executing */
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COMMADPT_PEND_READ, /* A READ CCW is running */
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COMMADPT_PEND_WRITE, /* A WRITE CCW is running */
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COMMADPT_PEND_ENABLE, /* A ENABLE CCW is running */
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COMMADPT_PEND_DIAL, /* A DIAL CCW is running */
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COMMADPT_PEND_DISABLE, /* A DISABLE CCW is running */
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COMMADPT_PEND_PREPARE, /* A PREPARE CCW is running */
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COMMADPT_PEND_POLL, /* A POLL CCW Is Running */
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COMMADPT_PEND_TINIT, /* */
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COMMADPT_PEND_CLOSED, /* */
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COMMADPT_PEND_SHUTDOWN /* */
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};
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#define COMMADPT_PEND_TEXT static char *commadpt_pendccw_text[]={\
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"IDLE",\
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"READ",\
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"WRITE",\
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"ENABLE",\
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"DIAL",\
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"DISABLE",\
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"PREPARE",\
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"POLL",\
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"TINIT",\
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"TCLOSED",\
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"SHUTDOWN"}
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#endif
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