char *RemoteLink( char *parm, bool server )
{
char *result;
server = server;
if( parm == NULL )
parm = "";
result = SetLinkParms( &parm ); /* set com: port & max baud rate */
if( result != NULL ) {
DonePort();
return( result );
}
result = InitSys();
if( result != NULL ) {
DonePort();
return( result );
}
result = SetupModem( parm );
if( result != NULL )
RemoteUnLink();
return( result );
}
char *ParsePortSpec( const char **spec )
{
int port;
int nid;
char ch;
const char *parm;
char *start;
static char name[PATH_MAX + 1];
parm = (spec == NULL) ? "" : *spec;
nid = 0;
port = 0;
if( *parm == '/' ) {
start = name;
do {
*start++ = *parm++;
ch = *parm;
} while( ch != '.' && ch != '\0' );
*start = '\0';
if( ComPort != 0 ) {
DonePort();
}
ComPort = open( name, O_RDWR );
if( spec != NULL ) {
*spec = parm;
}
} else {
for( ;; ) {
ch = *parm;
if( ch < '0' || ch > '9' )
break;
port = port * 10 + ( ch - '0' );
++parm;
}
if( ch == ',' ) {
nid = port;
if( nid > 255 )
return( TRP_QNX_invalid_node_number );
port = 0;
for( ;; ) {
++parm;
ch = *parm;
if( ch < '0' || ch > '9' )
break;
port = port * 10 + (ch-'0');
}
}
if( port == 0 )
port = 1;
if( port > 99 )
return( TRP_ERR_invalid_serial_port_number );
if( spec != NULL )
*spec = parm;
strcpy( name, "//___/dev/ser__" );
name[4] = nid % 10 + '0';
nid /= 10;
name[3] = nid % 10 + '0';
nid /= 10;
name[2] = nid % 10 + '0';
if( ComPort != 0 ) {
name[14] = port % 10 + '0';
name[13] = port / 10 + '0';
DonePort();
}
ComPort = open( name, O_RDWR );
}
if( ComPort < 0 ) {
ComPort = 0;
return( (errno == ENOENT) ?
TRP_ERR_serial_port_does_not_exist : TRP_ERR_serial_port_not_available );
}
tcgetattr( ComPort, &SavePort );
CurrPort = SavePort;
CurrPort.c_iflag = PARMRK;
CurrPort.c_oflag = 0;
CurrPort.c_cflag = CREAD | CS8;
CurrPort.c_lflag = 0;
if( tcsetattr( ComPort, TCSADRAIN, &CurrPort ) != 0 ) {
return( TRP_ERR_could_not_set_serial_port_characteristics );
}
return( NULL );
}
void RemoteUnLink( void )
{
ResetSys(); /* reset system to initial state */
DonePort();
}