diff options
Diffstat (limited to 'xpa/port.c')
| -rw-r--r-- | xpa/port.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/xpa/port.c b/xpa/port.c deleted file mode 100644 index f3751ac..0000000 --- a/xpa/port.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * Copyright (c) 1999-2003 Smithsonian Astrophysical Observatory - */ - -/* - * - * port.c -- xpa port management - * - */ - -#include <xpap.h> - -/* - *---------------------------------------------------------------------------- - * - * - * Private Routines - * - * - *---------------------------------------------------------------------------- - */ - -/* this is the head of the global list -- too lazy to do anything more */ -static PORT porthead=NULL; - -#ifdef ANSI_FUNC -static PORT -XPAPortLookup (char *xclass, char *name) -#else -static PORT XPAPortLookup(xclass, name) - char *xclass; - char *name; -#endif -{ - PORT cur; - /* look for exact match */ - for(cur=porthead; cur!=NULL; cur=cur->next){ - if( !strcmp(xclass, cur->xclass) && - !strcmp(name, cur->name) ){ - return(cur); - } - } - /* otherwise look for a template match */ - for(cur=porthead; cur!=NULL; cur=cur->next){ - if( tmatch(xclass, cur->xclass) && - tmatch(name, cur->name) ){ - return(cur); - } - } - return(NULL); -} - -/* - *---------------------------------------------------------------------------- - * - * Routine: XPAPortParse - * - * Purpose: parse port list into components - * - * Returns: 0 on success, -1 on failure - * - *---------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -static int -XPAPortParse (char *lbuf, char *xclass, char *name, int *port, int len) -#else -static int XPAPortParse(lbuf, xclass, name, port, len) - char *lbuf; - char *xclass; - char *name; - int *port; - int len; -#endif -{ - char tbuf[SZ_LINE]; - int lp=0; - - /* init port values */ - *port = 0; - - /* class:name is required */ - if( word(lbuf, tbuf, &lp) ){ - XPAParseName(tbuf, xclass, name, len); - } - else{ - return(-1); - } - - /* port is required but can be "*" for default port */ - if( word(lbuf, tbuf, &lp) ){ - if( !strcmp(tbuf, "*") ) - *port = XPA_DEFPORT; - else - *port = atoi(tbuf); - } - else{ - return(-1); - } - - /* made it */ - return(0); -} - -/*---------------------------------------------------------------------------- - * - * - * Public Routines - * - * - *---------------------------------------------------------------------------- - */ - -/* - *---------------------------------------------------------------------------- - * - * Routine: XPAPortAdd - * - * Purpose: add one port entry to the xpa port list - * - * Returns: 0 on success, -1 on failure - * - *---------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -int -XPAPortAdd (char *lbuf) -#else -int XPAPortAdd(lbuf) - char *lbuf; -#endif -{ - PORT xnew; - PORT cur; - char xclass[SZ_LINE]; - char name[SZ_LINE]; - int port; - - /* allocate port struct */ - if( (xnew = (PORT)xcalloc(1, sizeof(struct portrec))) == NULL ) - goto error; - - /* parse info from line buffer */ - if( XPAPortParse(lbuf, xclass, name, &port, SZ_LINE) < 0 ) - goto error; - - /* fill in the blanks */ - xnew->xclass = xstrdup(xclass); - xnew->name = xstrdup(name); - xnew->port = port; - - /* add this port to end of list of port's */ - if( porthead == NULL ){ - porthead = xnew; - } - else{ - for(cur=porthead; cur->next!=NULL; cur=cur->next) - ; - cur->next = xnew; - } - return(0); - -error: - if( xnew ) - xfree(xnew); - return(-1); -} - -/* - *--------------------------------------------------------------------------- - * - * Routine: XPAPortDel - * - * Purpose: free up alloc'ed memory in the port record structure - * - * Results: 0 on success, -1 for failure - * - *--------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -int -XPAPortDel (PORT port) -#else -int XPAPortDel(port) - PORT port; -#endif -{ - PORT cur; - - if( port == NULL ) - return(-1); - - /* remove from list of port's */ - if( porthead ){ - if( porthead == port ){ - porthead = porthead->next; - } - else{ - for(cur=porthead; cur!=NULL; cur=cur->next){ - if( cur->next == port ){ - cur->next = (cur->next)->next; - break; - } - } - } - } - - /* free up string space */ - if( port->xclass ) xfree(port->xclass); - if( port->name ) xfree(port->name); - - /* free up record struct */ - xfree((char *)port); - return(0); -} - -/* - *---------------------------------------------------------------------------- - * - * Routine: XPAPortFree - * - * Purpose: - * - * Results: 1 on success, 0 for failure - * - *---------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -void -XPAPortFree (void) -#else -void XPAPortFree() -#endif -{ - PORT cur; - PORT saveport; - - for(cur=porthead; cur!=NULL; ){ - saveport = cur->next; - XPAPortDel(cur); - cur = saveport; - } -} - -/* - *---------------------------------------------------------------------------- - * - * Routine: XPAPortNew - * - * Purpose: read or re-read the port list - * - * Results: number of lines in list (including default) - * - *---------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -int -XPAPortNew (char *aname, int flag) -#else -int XPAPortNew(aname, flag) - char *aname; - int flag; -#endif -{ - int got=0; - char lbuf[SZ_LINE]; - char *s; - char *portname=NULL; - char *portpath=NULL; - char *portstr=NULL; - char *portcopy=NULL; - FILE *fp; - - /* if there is an old list, free it */ - if( flag == 0 ) - XPAPortFree(); - - /* get port file name */ - if( aname && *aname ) - portname = aname; - else if( (portname=(char *)getenv("XPA_PORTFILE")) == NULL ) - portname = XPA_PORTFILE; - - /* get the default port */ - portstr=(char *)getenv("XPA_PORT"); - - /* add the port assignments from environment first */ - if( portstr && *portstr ){ - portcopy=(char *)xstrdup(portstr); - for(s=(char *)strtok(portcopy,";"); s!=NULL; s=(char *)strtok(NULL,";")){ - if( XPAPortAdd(s) == 0 ) - got++; - } - if( portcopy) xfree(portcopy); - } - - /* add the port assignments from file next */ - if( (portpath=(char *)Access(portname, "r")) != NULL ){ - if( (fp=fopen(portpath, "r")) != NULL ){ - while( fgets(lbuf, SZ_LINE, fp) ){ - if( *lbuf == '#' ){ - continue; - } - if( XPAPortAdd(lbuf) == 0 ) - got++; - } - fclose(fp); - } - xfree(portpath); - } - - /* return the news */ - return(got); -} - -/* - *---------------------------------------------------------------------------- - * - * Routine: XPAPort - * - * Purpose: check for pre-defined port for a given class, name and - * 1 for com port, 2 for data port - * - * Results: assigned port or 0 - * - *---------------------------------------------------------------------------- - */ -#ifdef ANSI_FUNC -int -XPAPort (XPA xpa) -#else -int XPAPort(xpa) - XPA xpa; -#endif -{ - int p=0; - PORT cur; - - if( xpa == NULL ) - return 0; - if( (cur = XPAPortLookup(xpa->xclass, xpa->name)) ){ - p = cur->port; - } - return p; -} |