+/* $NetBSD: ctl_transact.c,v 1.9 2009/07/04 04:29:54 dholland Exp $ */
/*
- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+ * Copyright (c) 1983-2003, Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * + Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * + Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * + Neither the name of the University of California, San Francisco nor
+ * the names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "bsd.h"
-#if defined(TALK_43) || defined(TALK_42)
+#if defined(TALK_43) || defined(TALK_42)
+#include <sys/cdefs.h>
#ifndef lint
+#if 0
static char sccsid[] = "@(#)ctl_transact.c 5.2 (Berkeley) 3/13/86";
+#else
+__RCSID("$NetBSD: ctl_transact.c,v 1.9 2009/07/04 04:29:54 dholland Exp $");
#endif
+#endif /* not lint */
-#include "talk_ctl.h"
#include <sys/time.h>
+#include <unistd.h>
+#include "hunt.h"
+#include "talk_ctl.h"
#define CTL_WAIT 2 /* time to wait for a response, in seconds */
#define MAX_RETRY 5
/*
* SOCKDGRAM is unreliable, so we must repeat messages if we have
- * not recieved an acknowledgement within a reasonable amount
+ * not received an acknowledgement within a reasonable amount
* of time
*/
-ctl_transact(target, msg, type, rp)
- struct in_addr target;
- CTL_MSG msg;
- int type;
- CTL_RESPONSE *rp;
+void
+ctl_transact(struct in_addr target, CTL_MSG msg, int type, CTL_RESPONSE *rp)
{
- int read_mask, ctl_mask, nready, cc, retries;
- struct timeval wait;
+ struct pollfd set[1];
+ int nready, cc, retries;
+ nready = 0;
msg.type = type;
daemon_addr.sin_addr = target;
daemon_addr.sin_port = daemon_port;
- ctl_mask = 1 << ctl_sockt;
+ set[0].fd = ctl_sockt;
+ set[0].events = POLLIN;
/*
* Keep sending the message until a response of
* the proper type is obtained.
*/
do {
- wait.tv_sec = CTL_WAIT;
- wait.tv_usec = 0;
/* resend message until a response is obtained */
for (retries = MAX_RETRY; retries > 0; retries -= 1) {
- cc = sendto(ctl_sockt, (char *)&msg, sizeof (msg), 0,
- (struct sockaddr *)&daemon_addr, sizeof (daemon_addr));
+ cc = sendto(ctl_sockt, &msg, sizeof (msg), 0,
+ &daemon_addr, sizeof (daemon_addr));
if (cc != sizeof (msg)) {
if (errno == EINTR)
continue;
p_error("Error on write to talk daemon");
}
- read_mask = ctl_mask;
- nready = select(32, &read_mask, 0, 0, &wait);
+ nready = poll(set, 1, CTL_WAIT * 1000);
if (nready < 0) {
if (errno == EINTR)
continue;
* request/acknowledgements being sent)
*/
do {
- cc = recv(ctl_sockt, (char *)rp, sizeof (*rp), 0);
+ cc = recv(ctl_sockt, rp, sizeof (*rp), 0);
if (cc < 0) {
if (errno == EINTR)
continue;
p_error("Error on read from talk daemon");
}
- read_mask = ctl_mask;
/* an immediate poll */
- timerclear(&wait);
- nready = select(32, &read_mask, 0, 0, &wait);
+ nready = poll(set, 1, 0);
} while (nready > 0 && (
-#ifdef TALK_43
+#ifdef TALK_43
rp->vers != TALK_VERSION ||
#endif
rp->type != type));
} while (
-#ifdef TALK_43
+#ifdef TALK_43
rp->vers != TALK_VERSION ||
#endif
rp->type != type);
rp->id_num = ntohl(rp->id_num);
-#ifdef TALK_43
+#ifdef TALK_43
rp->addr.sa_family = ntohs(rp->addr.sa_family);
-# else
+#else
rp->addr.sin_family = ntohs(rp->addr.sin_family);
-# endif
+#endif
}
#endif