1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER START
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * The contents of this file are subject to the terms of the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Common Development and Distribution License (the "License").
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You may not use this file except in compliance with the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * See the License for the specific language governing permissions
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * and limitations under the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * When distributing Covered Code, include this CDDL HEADER in each
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * If applicable, add the following below this CDDL HEADER, with the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * fields enclosed by brackets "[]" replaced with your own identifying
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * information: Portions Copyright [yyyy] [name of copyright owner]
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER END
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Use is subject to license terms.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#pragma ident "%Z%%M% %I% %E% SMI"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * write thread - read from vcc console and write to tcp client. There are one
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * writer and multiple readers per console. The first client who connects to
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * a console get write access.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Writer thread writes vcc data to all tcp clients that connected to
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * the console.
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan/* handle for writing all clients */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * check the state of write thread. exit if no more client connects to the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if ((consp->status & VNTSD_CONS_DELETED) || (consp->clientpq == NULL)) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * skip_terminal_null()
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * scan terminal null character sequence (0x5e 0x40)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * return number of characters in the buf after skipping terminal null
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * sequence. buf size must be at least sz+1.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* skip 0x5e previously */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* not terminal null sequence put 0x5e back */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = sz; i > 0; i--) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* skip terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (sz == 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = 0; i < sz; i++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = 0; i < sz; i++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (i);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* possible terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* last character in buffer */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* found terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (j = i; j < sz -i; j++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (i);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (i == sz) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* end of scan */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* read data from vcc */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* read from vcc */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if ((*sz > 0)) {
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * write to a client
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * this function is passed as a parameter to vntsd_que_find.
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * for each client that connected to the console, vntsd_que_find
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * applies this function.
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayanwrite_one_client(vntsd_client_t *clientp, write_buf_t *write_buf)
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan rv = vntsd_write_client(clientp, write_buf->buf, write_buf->sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* vntsd_write_thread() */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo D1(stderr, "t@%d vntsd_write@%d\n", thr_self(), consp->vcc_fd);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* read data */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (sz <= 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* has data */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * output data to all clients connected
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * to this console
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /*NOTREACHED*/