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sim_tmxr.h
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/* sim_tmxr.h: terminal multiplexer definitions
Copyright (c) 2001-2008, Robert M Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of Robert M Supnik shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik.
Based on the original DZ11 simulator by Thord Nilson, as updated by
Arthur Krewat.
10-Oct-12 MP Added extended attach support for serial, per line
listener and outgoing connections
17-Jan-11 MP Added buffered line capabilities
20-Nov-08 RMS Added three new standardized SHOW routines
07-Oct-08 JDB Added serial port support to TMXR, TMLN
27-May-08 JDB Added lnorder to TMXR structure,
added tmxr_set_lnorder and tmxr_set_lnorder
14-May-08 JDB Added dptr to TMXR structure
04-Jan-04 RMS Changed TMXR ldsc to be pointer to linedesc array
Added tmxr_linemsg, logging (from Mark Pizzolato)
29-Dec-03 RMS Added output stall support, increased buffer size
22-Dec-02 RMS Added break support (from Mark Pizzolato)
20-Aug-02 RMS Added tmxr_open_master, tmxr_close_master, tmxr.port
30-Dec-01 RMS Renamed tmxr_fstatus, added tmxr_fstats
20-Oct-01 RMS Removed tmxr_getchar, formalized buffer guard,
added tmxr_rqln, tmxr_tqln
*/
#ifndef SIM_TMXR_H_
#define SIM_TMXR_H_ 0
#ifndef SIMH_SERHANDLE_DEFINED
#define SIMH_SERHANDLE_DEFINED 0
#if defined (_WIN32) /* Windows definitions */
typedef void *SERHANDLE;
#else /* all other platforms */
typedef int SERHANDLE;
#endif
#endif
#include "sim_sock.h"
#define TMXR_V_VALID 15
#define TMXR_VALID (1 << TMXR_V_VALID)
#define TMXR_MAXBUF 256 /* buffer size */
#define TMXR_GUARD 12 /* buffer guard */
#define TMXR_DTR_DROP_TIME 500 /* milliseconds to drop DTR for 'pseudo' modem control */
#define TMXR_DEFAULT_CONNECT_POLL_INTERVAL 1 /* seconds between connection polls */
#define TMXR_DBG_XMT 0x0010000 /* Debug Transmit Data */
#define TMXR_DBG_RCV 0x0020000 /* Debug Received Data */
#define TMXR_DBG_RET 0x0040000 /* Debug Returned Received Data */
#define TMXR_DBG_MDM 0x0080000 /* Debug Modem Signals */
#define TMXR_DBG_CON 0x0100000 /* Debug Connection Activities */
#define TMXR_DBG_ASY 0x0200000 /* Debug Asynchronous Activities */
#define TMXR_DBG_TRC 0x0400000 /* Debug trace routine calls */
#define TMXR_DBG_PXMT 0x0800000 /* Debug Transmit Packet Data */
#define TMXR_DBG_PRCV 0x1000000 /* Debug Received Packet Data */
/* Modem Control Bits */
#define TMXR_MDM_DTR 0x01 /* Data Terminal Ready */
#define TMXR_MDM_RTS 0x02 /* Request To Send */
#define TMXR_MDM_DCD 0x04 /* Data Carrier Detect */
#define TMXR_MDM_RNG 0x08 /* Ring Indicator */
#define TMXR_MDM_CTS 0x10 /* Clear To Send */
#define TMXR_MDM_DSR 0x20 /* Data Set Ready */
#define TMXR_MDM_INCOMING (TMXR_MDM_DCD|TMXR_MDM_RNG|TMXR_MDM_CTS|TMXR_MDM_DSR) /* Settable Modem Bits */
#define TMXR_MDM_OUTGOING (TMXR_MDM_DTR|TMXR_MDM_RTS) /* Settable Modem Bits */
/* Unit flags */
#define TMUF_V_NOASYNCH (UNIT_V_UF + 12) /* Asynch Disabled unit */
#define TMUF_NOASYNCH (1u << TMUF_V_NOASYNCH) /* This flag can be defined */
/* statically in a unit's flag field */
/* This will disable the unit from */
/* supporting asynchronmous mux behaviors */
typedef struct tmln TMLN;
typedef struct tmxr TMXR;
struct loopbuf {
int32 bpr; /* xmt buf remove */
int32 bpi; /* xmt buf insert */
int32 size;
};
struct tmln {
int conn; /* line connected flag */
SOCKET sock; /* connection socket */
char *ipad; /* IP address */
SOCKET master; /* line specific master socket */
char *port; /* line specific listening port */
int32 sessions; /* count of tcp connections received */
uint32 cnms; /* conn time */
int32 tsta; /* Telnet state */
int32 rcve; /* rcv enable */
int32 xmte; /* xmt enable */
int32 dstb; /* disable Telnet binary mode */
t_bool notelnet; /* raw binary data (no telnet interpretation) */
int32 rxbpr; /* rcv buf remove */
int32 rxbpi; /* rcv buf insert */
int32 rxbsz; /* rcv buffer size */
int32 rxcnt; /* rcv count */
int32 rxpcnt; /* rcv packet count */
int32 txbpr; /* xmt buf remove */
int32 txbpi; /* xmt buf insert */
int32 txcnt; /* xmt count */
int32 txpcnt; /* xmt packet count */
int32 txdrp; /* xmt drop count */
int32 txbsz; /* xmt buffer size */
int32 txbfd; /* xmt buffered flag */
t_bool modem_control; /* line supports modem control behaviors */
int32 modembits; /* modem bits which are currently set */
FILE *txlog; /* xmt log file */
FILEREF *txlogref; /* xmt log file reference */
char *txlogname; /* xmt log file name */
char *rxb; /* rcv buffer */
char *rbr; /* rcv break */
char *txb; /* xmt buffer */
uint8 *rxpb; /* rcv packet buffer */
uint32 rxpbsize; /* rcv packet buffer size */
uint32 rxpboffset; /* rcv packet buffer offset */
uint8 *txpb; /* xmt packet buffer */
uint32 txpbsize; /* xmt packet buffer size */
uint32 txppsize; /* xmt packet packet size */
uint32 txppoffset; /* xmt packet buffer offset */
TMXR *mp; /* back pointer to mux */
char *serconfig; /* line config */
SERHANDLE serport; /* serial port handle */
t_bool ser_connect_pending; /* serial connection notice pending */
SOCKET connecting; /* Outgoing socket while connecting */
char *destination; /* Outgoing destination address:port */
t_bool loopback; /* Line in loopback mode */
t_bool halfduplex; /* Line in half-duplex mode */
t_bool datagram; /* Line is datagram packet oriented */
t_bool packet; /* Line is packet oriented */
int32 lpbpr; /* loopback buf remove */
int32 lpbpi; /* loopback buf insert */
int32 lpbcnt; /* loopback buf used count */
int32 lpbsz; /* loopback buffer size */
char *lpb; /* loopback buffer */
UNIT *uptr; /* input polling unit (default to mp->uptr) */
UNIT *o_uptr; /* output polling unit (default to lp->uptr)*/
DEVICE *dptr; /* line specific device */
};
struct tmxr {
int32 lines; /* # lines */
char *port; /* listening port */
SOCKET master; /* master socket */
TMLN *ldsc; /* line descriptors */
int32 *lnorder; /* line connection order */
DEVICE *dptr; /* multiplexer device */
UNIT *uptr; /* polling unit (connection) */
char logfiletmpl[FILENAME_MAX]; /* template logfile name */
int32 txcount; /* count of transmit bytes */
int32 buffered; /* Buffered Line Behavior and Buffer Size Flag */
int32 sessions; /* count of tcp connections received */
uint32 poll_interval; /* frequency of connection polls (seconds) */
uint32 last_poll_time; /* time of last connection poll */
t_bool notelnet; /* default telnet capability for incoming connections */
t_bool modem_control; /* multiplexer supports modem control behaviors */
t_bool packet; /* Lines are packet oriented */
t_bool datagram; /* Lines use datagram packet transport */
};
int32 tmxr_poll_conn (TMXR *mp);
t_stat tmxr_reset_ln (TMLN *lp);
t_stat tmxr_detach_ln (TMLN *lp);
int32 tmxr_getc_ln (TMLN *lp);
t_stat tmxr_get_packet_ln (TMLN *lp, const uint8 **pbuf, size_t *psize);
t_stat tmxr_get_packet_ln_ex (TMLN *lp, const uint8 **pbuf, size_t *psize, uint8 frame_byte);
void tmxr_poll_rx (TMXR *mp);
t_stat tmxr_putc_ln (TMLN *lp, int32 chr);
t_stat tmxr_put_packet_ln (TMLN *lp, const uint8 *buf, size_t size);
t_stat tmxr_put_packet_ln_ex (TMLN *lp, const uint8 *buf, size_t size, uint8 frame_byte);
void tmxr_poll_tx (TMXR *mp);
int32 tmxr_send_buffered_data (TMLN *lp);
t_stat tmxr_open_master (TMXR *mp, char *cptr);
t_stat tmxr_close_master (TMXR *mp);
t_stat tmxr_connection_poll_interval (TMXR *mp, uint32 seconds);
t_stat tmxr_attach_ex (TMXR *mp, UNIT *uptr, char *cptr, t_bool async);
t_stat tmxr_detach (TMXR *mp, UNIT *uptr);
t_stat tmxr_attach_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr);
char *tmxr_line_attach_string(TMLN *lp);
t_stat tmxr_set_modem_control_passthru (TMXR *mp);
t_stat tmxr_clear_modem_control_passthru (TMXR *mp);
t_stat tmxr_set_get_modem_bits (TMLN *lp, int32 bits_to_set, int32 bits_to_clear, int32 *incoming_bits);
t_stat tmxr_set_line_loopback (TMLN *lp, t_bool enable_loopback);
t_bool tmxr_get_line_loopback (TMLN *lp);
t_stat tmxr_set_line_halfduplex (TMLN *lp, t_bool enable_loopback);
t_bool tmxr_get_line_halfduplex (TMLN *lp);
t_stat tmxr_set_config_line (TMLN *lp, char *config);
t_stat tmxr_set_line_unit (TMXR *mp, int line, UNIT *uptr_poll);
t_stat tmxr_set_line_output_unit (TMXR *mp, int line, UNIT *uptr_poll);
t_stat tmxr_set_console_units (UNIT *rxuptr, UNIT *txuptr);
t_stat tmxr_ex (t_value *vptr, t_addr addr, UNIT *uptr, int32 sw);
t_stat tmxr_dep (t_value val, t_addr addr, UNIT *uptr, int32 sw);
void tmxr_msg (SOCKET sock, char *msg);
void tmxr_linemsg (TMLN *lp, char *msg);
void tmxr_linemsgf (TMLN *lp, const char *fmt, ...);
void tmxr_fconns (FILE *st, TMLN *lp, int32 ln);
void tmxr_fstats (FILE *st, TMLN *lp, int32 ln);
t_stat tmxr_set_log (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat tmxr_set_nolog (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat tmxr_show_log (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat tmxr_dscln (UNIT *uptr, int32 val, char *cptr, void *desc);
int32 tmxr_rqln (TMLN *lp);
int32 tmxr_tqln (TMLN *lp);
int32 tmxr_tpqln (TMLN *lp);
t_bool tmxr_tpbusyln (TMLN *lp);
t_stat tmxr_set_lnorder (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat tmxr_show_lnorder (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat tmxr_show_summ (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat tmxr_show_cstat (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat tmxr_show_lines (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat tmxr_show_open_devices (FILE* st, DEVICE *dptr, UNIT* uptr, int32 val, char* desc);
t_stat tmxr_activate (UNIT *uptr, int32 interval);
t_stat tmxr_activate_after (UNIT *uptr, int32 usecs_walltime);
t_stat tmxr_clock_coschedule (UNIT *uptr, int32 interval);
t_stat tmxr_change_async (void);
t_stat tmxr_startup (void);
t_stat tmxr_shutdown (void);
t_stat tmxr_start_poll (void);
t_stat tmxr_stop_poll (void);
void _tmxr_debug (uint32 dbits, TMLN *lp, const char *msg, char *buf, int bufsize);
extern FILE *sim_deb; /* debug file */
#define tmxr_debug(dbits, lp, msg, buf, bufsize) if (sim_deb && (lp)->mp && (lp)->mp->dptr && ((dbits) & (lp)->mp->dptr->dctrl)) _tmxr_debug (dbits, lp, msg, buf, bufsize); else (void)0
#define tmxr_debug_msg(dbits, lp, msg) if (sim_deb && (lp)->mp && (lp)->mp->dptr && ((dbits) & (lp)->mp->dptr->dctrl)) sim_debug (dbits, (lp)->mp->dptr, msg); else (void)0
#define tmxr_debug_return(lp, val) if (sim_deb && (val) && (lp)->mp && (lp)->mp->dptr && (TMXR_DBG_RET & (lp)->mp->dptr->dctrl)) sim_debug (TMXR_DBG_RET, (lp)->mp->dptr, "Ln%d: 0x%x\n", (int)((lp)-(lp)->mp->ldsc), val); else (void)0
#define tmxr_debug_trace(mp, msg) if (sim_deb && (mp)->dptr && (TMXR_DBG_TRC & (mp)->dptr->dctrl)) sim_debug (TMXR_DBG_TRC, mp->dptr, "%s\n", (msg)); else (void)0
#define tmxr_debug_trace_line(lp, msg) if (sim_deb && (lp)->mp && (lp)->mp->dptr && (TMXR_DBG_TRC & (lp)->mp->dptr->dctrl)) sim_debug (TMXR_DBG_TRC, (lp)->mp->dptr, "Ln%d:%s\n", (int)((lp)-(lp)->mp->ldsc), (msg)); else (void)0
#define tmxr_debug_connect(mp, msg) if (sim_deb && (mp)->dptr && (TMXR_DBG_CON & (mp)->dptr->dctrl)) sim_debug (TMXR_DBG_CON, mp->dptr, "%s\n", (msg)); else (void)0
#define tmxr_debug_connect_line(lp, msg) if (sim_deb && (lp)->mp && (lp)->mp->dptr && (TMXR_DBG_CON & (lp)->mp->dptr->dctrl)) sim_debug (TMXR_DBG_CON, (lp)->mp->dptr, "Ln%d:%s\n", (int)((lp)-(lp)->mp->ldsc), (msg)); else (void)0
#if defined(SIM_ASYNCH_IO) && defined(SIM_ASYNCH_MUX)
#define tmxr_attach(mp, uptr, cptr) tmxr_attach_ex(mp, uptr, cptr, TRUE)
#if (!defined(NOT_MUX_USING_CODE))
#define sim_activate tmxr_activate
#define sim_activate_after tmxr_activate_after
#define sim_clock_coschedule tmxr_clock_coschedule
#endif
#else
#define tmxr_attach(mp, uptr, cptr) tmxr_attach_ex(mp, uptr, cptr, FALSE)
#endif
#endif /* _SIM_TMXR_H_ */