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EnigmA Amiga Run 1997 May
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EnigmA AMIGA RUN 18 (1997)(G.R. Edizioni)(IT)[!][issue 1997-05][EAR-CD II].iso
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TrackRexx.c
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C/C++ Source or Header
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1997-04-06
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16KB
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871 lines
/*
* Source generated with ARexxBox 1.12 (May 18 1993)
* which is Copyright (c) 1992,1993 Michael Balzer
*/
#include <exec/types.h>
#include <exec/memory.h>
#include <dos/dos.h>
#include <rexx/storage.h>
#include <rexx/rxslib.h>
#ifdef __GNUC__
/* GCC needs all struct defs */
#include <dos/exall.h>
#include <graphics/graphint.h>
#include <intuition/classes.h>
#include <devices/keymap.h>
#include <exec/semaphores.h>
#endif
#include <clib/alib_protos.h>
#include <clib/exec_protos.h>
#include <clib/dos_protos.h>
#include <clib/rexxsyslib_protos.h>
#ifndef __NO_PRAGMAS
#ifdef AZTEC_C
#include <pragmas/exec_lib.h>
#include <pragmas/dos_lib.h>
#include <pragmas/rexxsyslib_lib.h>
#endif
#ifdef LATTICE
#include <pragmas/exec_pragmas.h>
#include <pragmas/dos_pragmas.h>
#include <pragmas/rexxsyslib_pragmas.h>
#endif
#endif /* __NO_PRAGMAS */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#ifdef LATTICE
#undef toupper
#define inline __inline
#endif
#ifdef __GNUC__
#undef toupper
static inline char toupper( char c )
{
return( islower(c) ? c - 'a' + 'A' : c );
}
#endif
#ifdef AZTEC_C
#define inline
#endif
#include <dos/rdargs.h>
#include "TrackRexx.h"
struct rxs_stemnode
{
struct rxs_stemnode *succ;
char *name;
char *value;
};
extern struct ExecBase *SysBase;
extern struct DosLibrary *DOSBase;
extern struct RxsLib *RexxSysBase;
void (*ARexxResultHook)( struct RexxHost *, struct RexxMsg * ) = NULL;
void ReplyRexxCommand(
struct RexxMsg *rexxmessage,
long primary,
long secondary,
char *result )
{
if( rexxmessage->rm_Action & RXFF_RESULT )
{
if( primary == 0 )
{
secondary = result
? (long) CreateArgstring( result, strlen(result) )
: (long) NULL;
}
else
{
char buf[16];
if( primary > 0 )
{
sprintf( buf, "%ld", secondary );
result = buf;
}
else
{
primary = -primary;
result = (char *) secondary;
}
SetRexxVar( (struct Message *) rexxmessage,
"RC2", result, strlen(result) );
secondary = 0;
}
}
else if( primary < 0 )
primary = -primary;
rexxmessage->rm_Result1 = primary;
rexxmessage->rm_Result2 = secondary;
ReplyMsg( (struct Message *) rexxmessage );
}
void FreeRexxCommand( struct RexxMsg *rexxmessage )
{
if( !rexxmessage->rm_Result1 && rexxmessage->rm_Result2 )
DeleteArgstring( (char *) rexxmessage->rm_Result2 );
if( rexxmessage->rm_Stdin &&
rexxmessage->rm_Stdin != Input() )
Close( rexxmessage->rm_Stdin );
if( rexxmessage->rm_Stdout &&
rexxmessage->rm_Stdout != rexxmessage->rm_Stdin &&
rexxmessage->rm_Stdout != Output() )
Close( rexxmessage->rm_Stdout );
DeleteArgstring( (char *) ARG0(rexxmessage) );
DeleteRexxMsg( rexxmessage );
}
struct RexxMsg *CreateRexxCommand( struct RexxHost *host, char *buff, BPTR fh )
{
struct RexxMsg *rexx_command_message;
if( (rexx_command_message = CreateRexxMsg( host->port,
rexx_extension, host->port->mp_Node.ln_Name)) == NULL )
{
return( NULL );
}
if( (rexx_command_message->rm_Args[0] =
CreateArgstring(buff,strlen(buff))) == NULL )
{
DeleteRexxMsg(rexx_command_message);
return( NULL );
}
rexx_command_message->rm_Action = RXCOMM | RXFF_RESULT;
rexx_command_message->rm_Stdin = fh;
rexx_command_message->rm_Stdout = fh;
return( rexx_command_message );
}
struct RexxMsg *CommandToRexx( struct RexxHost *host, struct RexxMsg *rexx_command_message )
{
struct MsgPort *rexxport;
Forbid();
if( (rexxport = FindPort(RXSDIR)) == NULL )
{
Permit();
return( NULL );
}
PutMsg( rexxport, &rexx_command_message->rm_Node );
Permit();
++host->replies;
return( rexx_command_message );
}
struct RexxMsg *SendRexxCommand( struct RexxHost *host, char *buff, BPTR fh )
{
struct RexxMsg *rcm;
if( rcm = CreateRexxCommand(host, buff, fh) )
return CommandToRexx( host, rcm );
else
return NULL;
}
void CloseDownARexxHost( struct RexxHost *host )
{
struct RexxMsg *rexxmsg;
if( host->port )
{
/* Port abmelden */
RemPort( host->port );
/* Auf noch ausstehende Replies warten */
while( host->replies > 0 )
{
WaitPort( host->port );
while( rexxmsg = (struct RexxMsg *) GetMsg(host->port) )
{
if( rexxmsg->rm_Node.mn_Node.ln_Type == NT_REPLYMSG )
{
if( !rexxmsg->rm_Args[15] )
{
/* Reply zu einem SendRexxCommand()-Call */
if( ARexxResultHook )
ARexxResultHook( host, rexxmsg );
}
FreeRexxCommand( rexxmsg );
--host->replies;
}
else
ReplyRexxCommand( rexxmsg, -20, (long) "Host closing down", NULL );
}
}
/* MsgPort leeren */
while( rexxmsg = (struct RexxMsg *) GetMsg(host->port) )
ReplyRexxCommand( rexxmsg, -20, (long) "Host closing down", NULL );
if( !(host->flags & ARB_HF_USRMSGPORT) )
DeleteMsgPort( host->port );
}
if( host->rdargs ) FreeDosObject( DOS_RDARGS, host->rdargs );
FreeVec( host );
}
struct RexxHost *SetupARexxHost( char *basename, struct MsgPort *usrport )
{
struct RexxHost *host;
int ext = 0;
if( !basename )
basename = RexxPortBaseName;
else if( !*basename )
basename = RexxPortBaseName;
if( !(host = AllocVec(sizeof *host, MEMF_CLEAR)) )
return NULL;
strcpy( host->portname, basename );
if( usrport )
{
host->port = usrport;
host->flags |= ARB_HF_USRMSGPORT;
}
else if( !(host->port = CreateMsgPort()) )
{
FreeVec( host );
return NULL;
}
else
{
host->port->mp_Node.ln_Pri = 0;
}
Forbid();
while( FindPort(host->portname) )
sprintf( host->portname, "%s.%d", basename, ++ext );
host->port->mp_Node.ln_Name = host->portname;
AddPort( host->port );
Permit();
if( !(host->rdargs = AllocDosObject(DOS_RDARGS, NULL)) )
{
RemPort( host->port );
if( !usrport ) DeleteMsgPort( host->port );
FreeVec( host );
return NULL;
}
host->rdargs->RDA_Flags = RDAF_NOPROMPT;
return( host );
}
/* StateMachine für FindRXCommand() */
static inline char *scmp( char *inp, char *str )
{
while( *str && *inp )
if( *inp++ != *str++ )
return NULL;
/* Reststring zurückgeben */
return inp;
}
static int find( char *input )
{
struct arb_p_state *st = arb_p_state;
struct arb_p_link *ad;
char *ni, tmp[36], *s;
ni = tmp;
while( *input && ni-tmp < 32 )
*ni++ = toupper( *input++ );
*ni = 0;
input = tmp;
while( *input )
{
/* Terminalzustand erreicht? */
if( !st->pa )
{
if( *input )
return -1;
else
return st->cmd;
}
/* Wo geht's weiter? */
ni = 0;
for( ad = st->pa; s = ad->str; ad++ )
{
/* die Links sind absteigend sortiert */
if( *input > *s )
break;
if( *input == *s )
if( ni = scmp(input+1, s+1) )
break;
}
/* Nirgends... */
if( !ni )
return -1;
/* Zustandsüberführung */
st = arb_p_state + ad->dst;
input = ni;
}
return st->cmd;
}
struct rxs_command *FindRXCommand( char *com )
{
int cmd;
cmd = find( com );
if( cmd == -1 )
return NULL;
else
return( rxs_commandlist + cmd );
}
static struct rxs_command *ParseRXCommand( char **arg )
{
char com[256], *s, *t;
s = *arg;
t = com;
while( *s && *s != ' ' && *s != '\n' )
*t++ = *s++;
*t = '\0';
while( *s == ' ' ) ++s;
*arg = s;
return( FindRXCommand( com ) );
}
static char *CreateVAR( struct rxs_stemnode *stem )
{
char *var;
struct rxs_stemnode *s;
long size = 0;
if( !stem || stem == (struct rxs_stemnode *) -1L )
return( (char *) stem );
for( s = stem; s; s = s->succ )
size += strlen( s->value ) + 1;
if( !(var = AllocVec( size + 1, MEMF_ANY )) )
return( (char *) -1 );
*var = '\0';
for( s = stem; s; s = s->succ )
{
strcat( var, s->value );
if( s->succ )
strcat( var, " " );
}
return( var );
}
static struct rxs_stemnode *new_stemnode( struct rxs_stemnode **first, struct rxs_stemnode **old )
{
struct rxs_stemnode *new;
if( !(new = AllocVec(sizeof(struct rxs_stemnode), MEMF_CLEAR)) )
{
return( NULL );
}
else
{
if( *old )
{
(*old)->succ = new;
(*old) = new;
}
else
{
*first = *old = new;
}
}
return( new );
}
static void free_stemlist( struct rxs_stemnode *first )
{
struct rxs_stemnode *next;
if( (long) first == -1 )
return;
for( ; first; first = next )
{
next = first->succ;
if( first->name ) FreeVec( first->name );
if( first->value ) FreeVec( first->value );
FreeVec( first );
}
}
char *StrDup( char *s )
{
char *t = AllocVec( strlen(s)+1, MEMF_ANY );
if( t ) strcpy( t, s );
return t;
}
static struct rxs_stemnode *CreateSTEM( struct rxs_command *rxc, LONG *resarray, char *stembase )
{
struct rxs_stemnode *first = NULL, *old = NULL, *new;
char resb[512], *rs, *rb;
char longbuff[16];
rb = resb;
if( stembase )
{
while( *stembase )
*rb++ = toupper( *stembase++ );
}
*rb = '\0';
rb = resb + strlen(resb);
rs = rxc->results;
while( *rs )
{
char *t = rb;
BOOL optn = FALSE, optm = FALSE;
while( *rs && *rs != ',' )
{
if( *rs == '/' )
{
++rs;
if( *rs == 'N' ) optn = TRUE;
else if( *rs == 'M' ) optm = TRUE;
}
else
*t++ = *rs;
++rs;
}
if( *rs == ',' ) ++rs;
*t = '\0';
/*
* Resultat(e) erzeugen
*/
if( !*resarray )
{
++resarray;
continue;
}
if( optm )
{
long *r, index = 0;
LONG **subarray = (LONG **) *resarray++;
struct rxs_stemnode *countnd;
/* Anzahl der Elemente */
if( !(new = new_stemnode(&first, &old)) )
{
free_stemlist( first );
return( (struct rxs_stemnode *) -1L );
}
countnd = new;
/* Die Elemente selbst */
while( r = *subarray++ )
{
if( !(new = new_stemnode(&first, &old)) )
{
free_stemlist( first );
return( (struct rxs_stemnode *) -1L );
}
sprintf( t, ".%ld", index++ );
new->name = StrDup( resb );
if( optn )
{
sprintf( longbuff, "%ld", *r );
new->value = StrDup( longbuff );
}
else
{
new->value = StrDup( (char *) r );
}
}
/* Die Count-Node */
strcpy( t, ".COUNT" );
countnd->name = StrDup( resb );
sprintf( longbuff, "%ld", index );
countnd->value = StrDup( longbuff );
}
else
{
/* Neue Node anlegen */
if( !(new = new_stemnode(&first, &old)) )
{
free_stemlist( first );
return( (struct rxs_stemnode *) -1L );
}
new->name = StrDup( resb );
if( optn )
{
sprintf( longbuff, "%ld", *((long *) *resarray) );
new->value = StrDup( longbuff );
++resarray;
}
else
{
new->value = StrDup( (char *) (*resarray++) );
}
}
}
return( first );
}
static void DoRXCommand( struct RexxHost *host, struct RexxMsg *rexxmsg )
{
struct rxs_command *rxc;
char *argb = NULL, *arg;
LONG *array = NULL;
LONG *argarray;
LONG *resarray;
char *cargstr = NULL;
long rc=20, rc2=0;
char *result = NULL;
if( !(argb = AllocVec(strlen((char *) ARG0(rexxmsg)) + 2, MEMF_ANY)) )
{
rc2 = ERROR_NO_FREE_STORE;
goto drc_cleanup;
}
/* welches Kommando? */
strcpy( argb, (char *) ARG0(rexxmsg) );
strcat( argb, "\n" );
arg = argb;
if( !( rxc = ParseRXCommand( &arg ) ) )
{
if( arg = ExpandRXCommand( host, (char *) ARG0(rexxmsg) ) )
{
FreeVec( argb );
if( !(argb = AllocVec( strlen(arg) + 2, MEMF_ANY )) )
{
rc2 = ERROR_NO_FREE_STORE;
goto drc_cleanup;
}
strcpy( argb, arg );
strcat( argb, "\n" );
FreeVec( arg );
arg = argb;
rxc = ParseRXCommand( &arg );
}
}
if( !rxc )
{
/* Msg an ARexx schicken, vielleicht existiert ein Skript */
struct RexxMsg *rm;
if( rm = CreateRexxCommand(host, (char *) ARG0(rexxmsg), NULL) )
{
/* Original-Msg merken */
rm->rm_Args[15] = (STRPTR) rexxmsg;
if( CommandToRexx(host, rm) )
{
/* Reply wird später vom Dispatcher gemacht */
if( argb ) FreeVec( argb );
return;
}
else
rc2 = ERROR_NOT_IMPLEMENTED;
}
else
rc2 = ERROR_NO_FREE_STORE;
goto drc_cleanup;
}
if( !(rxc->flags & ARB_CF_ENABLED) )
{
rc = -10;
rc2 = (long) "Command disabled";
goto drc_cleanup;
}
/* Speicher für Argumente etc. holen */
(rxc->function)( host, (void **) &array, RXIF_INIT, rexxmsg );
cargstr = AllocVec( rxc->args ? 15+strlen(rxc->args) : 15, MEMF_ANY );
if( !array || !cargstr )
{
rc2 = ERROR_NO_FREE_STORE;
goto drc_cleanup;
}
argarray = array + 2;
resarray = array + rxc->resindex;
/* Argumente parsen */
if( rxc->results )
strcpy( cargstr, "VAR/K,STEM/K" );
else
*cargstr = '\0';
if( rxc->args )
{
if( *cargstr )
strcat( cargstr, "," );
strcat( cargstr, rxc->args );
}
if( *cargstr )
{
host->rdargs->RDA_Source.CS_Buffer = arg;
host->rdargs->RDA_Source.CS_Length = strlen(arg);
host->rdargs->RDA_Source.CS_CurChr = 0;
host->rdargs->RDA_DAList = NULL;
host->rdargs->RDA_Buffer = NULL;
if( !ReadArgs(cargstr, argarray, host->rdargs) )
{
rc = 10;
rc2 = IoErr();
goto drc_cleanup;
}
}
/* Funktion aufrufen */
(rxc->function)( host, (void **) &array, RXIF_ACTION, rexxmsg );
rc = array[0];
rc2 = array[1];
/* Resultat(e) auswerten */
if( rxc->results && rc==0 &&
(rexxmsg->rm_Action & RXFF_RESULT) )
{
struct rxs_stemnode *stem, *s;
stem = CreateSTEM( rxc, resarray, (char *)argarray[1] );
result = CreateVAR( stem );
if( result )
{
if( argarray[0] )
{
/* VAR */
if( (long) result == -1 )
{
rc = 20;
rc2 = ERROR_NO_FREE_STORE;
}
else
{
char *rb;
for( rb = (char *) argarray[0]; *rb; ++rb )
*rb = toupper( *rb );
if( SetRexxVar( (struct Message *) rexxmsg,
*((char *)argarray[0]) ? (char *)argarray[0] : "RESULT",
result, strlen(result) ) )
{
rc = -10;
rc2 = (long) "Unable to set Rexx variable";
}
FreeVec( result );
}
result = NULL;
}
if( !rc && argarray[1] )
{
/* STEM */
if( (long) stem == -1 )
{
rc = 20;
rc2 = ERROR_NO_FREE_STORE;
}
else
{
for( s = stem; s; s = s->succ )
rc |= SetRexxVar( (struct Message *) rexxmsg, s->name, s->value, strlen(s->value) );
if( rc )
{
rc = -10;
rc2 = (long) "Unable to set Rexx variable";
}
if( result && (long) result != -1 )
FreeVec( result );
}
result = NULL;
}
/* Normales Resultat: Möglich? */
if( (long) result == -1 )
{
/* Nein */
rc = 20;
rc2 = ERROR_NO_FREE_STORE;
result = NULL;
}
}
free_stemlist( stem );
}
drc_cleanup:
/* Nur RESULT, wenn weder VAR noch STEM */
ReplyRexxCommand( rexxmsg, rc, rc2, result );
/* benutzten Speicher freigeben */
if( result ) FreeVec( result );
FreeArgs( host->rdargs );
if( cargstr ) FreeVec( cargstr );
if( array ) (rxc->function)( host, (void **) &array, RXIF_FREE, rexxmsg );
if( argb ) FreeVec( argb );
}
void ARexxDispatch( struct RexxHost *host )
{
struct RexxMsg *rexxmsg;
while( rexxmsg = (struct RexxMsg *) GetMsg(host->port) )
{
if( (rexxmsg->rm_Action & RXCODEMASK) != RXCOMM )
{
/* Keine Rexx-Message */
ReplyMsg( (struct Message *) rexxmsg );
}
else if( rexxmsg->rm_Node.mn_Node.ln_Type == NT_REPLYMSG )
{
struct RexxMsg *org = (struct RexxMsg *) rexxmsg->rm_Args[15];
if( org )
{
/* Reply zu durchgereichter Msg */
if( rexxmsg->rm_Result1 != 0 )
{
/* Befehl unbekannt */
ReplyRexxCommand( org, 20, ERROR_NOT_IMPLEMENTED, NULL );
}
else
{
ReplyRexxCommand( org, 0, 0, (char *) rexxmsg->rm_Result2 );
}
}
else
{
/* Reply zu einem SendRexxCommand()-Call */
if( ARexxResultHook )
ARexxResultHook( host, rexxmsg );
}
FreeRexxCommand( rexxmsg );
--host->replies;
}
else if( ARG0(rexxmsg) )
{
DoRXCommand( host, rexxmsg );
}
else
{
ReplyMsg( (struct Message *) rexxmsg );
}
}
}