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author | Michael Brown <mcb30@ipxe.org> | 2013-10-21 14:19:40 +0100 |
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committer | Michael Brown <mcb30@ipxe.org> | 2013-10-21 15:08:18 +0100 |
commit | de35167714d089e78372e642b5ab28d91b42bac5 (patch) | |
tree | cd76d275fa0f82983793c5843d04651bc57cf26a | |
parent | c597c7a071f6dd42233b53012133e861e794c9c8 (diff) | |
download | ipxe-de35167714d089e78372e642b5ab28d91b42bac5.zip ipxe-de35167714d089e78372e642b5ab28d91b42bac5.tar.gz ipxe-de35167714d089e78372e642b5ab28d91b42bac5.tar.bz2 |
[ping] Add top-level ping() function to ping a host
Signed-off-by: Michael Brown <mcb30@ipxe.org>
-rw-r--r-- | src/include/usr/pingmgmt.h | 16 | ||||
-rw-r--r-- | src/usr/pingmgmt.c | 81 |
2 files changed, 97 insertions, 0 deletions
diff --git a/src/include/usr/pingmgmt.h b/src/include/usr/pingmgmt.h new file mode 100644 index 0000000..4a2efc3 --- /dev/null +++ b/src/include/usr/pingmgmt.h @@ -0,0 +1,16 @@ +#ifndef _USR_PINGMGMT_H +#define _USR_PINGMGMT_H + +/** @file + * + * ICMP ping management + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <stdint.h> + +extern int ping ( const char *hostname, unsigned long timeout_ms, size_t len ); + +#endif /* _USR_PINGMGMT_H */ diff --git a/src/usr/pingmgmt.c b/src/usr/pingmgmt.c new file mode 100644 index 0000000..e455938 --- /dev/null +++ b/src/usr/pingmgmt.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <ipxe/pinger.h> +#include <ipxe/monojob.h> +#include <ipxe/timer.h> +#include <usr/pingmgmt.h> + +/** @file + * + * ICMP ping management + * + */ + +/** + * Display ping result + * + * @v src Source socket address + * @v sequence Sequence number + * @v len Payload length + * @v rc Status code + */ +static void ping_callback ( struct sockaddr *peer, unsigned int sequence, + size_t len, int rc ) { + + /* Display ping response */ + printf ( "%zd bytes from %s: seq=%d", + len, sock_ntoa ( peer ), sequence ); + if ( rc != 0 ) + printf ( ": %s", strerror ( rc ) ); + printf ( "\n" ); +} + +/** + * Ping a host + * + * @v hostname Hostname + * @v timeout_ms Timeout between pings, in ms + * @v len Payload length + * @ret rc Return status code + */ +int ping ( const char *hostname, unsigned long timeout_ms, size_t len ) { + int rc; + + /* Create pinger */ + if ( ( rc = create_pinger ( &monojob, hostname, + ( ( timeout_ms * TICKS_PER_SEC ) / 1000 ), + len, ping_callback ) ) != 0 ) { + printf ( "Could not start ping: %s\n", strerror ( rc ) ); + return rc; + } + + /* Wait for ping to complete */ + if ( ( rc = monojob_wait ( NULL ) ) != 0 ) { + printf ( "Finished: %s\n", strerror ( rc ) ); + return rc; + } + + return 0; +} |