75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/* echld-util.c
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* utility for echld
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* Copyright (c) 2013 by Luis Ontanon <luis@ontanon.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "../config.h"
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#include "echld-int.h"
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#include "echld-util.h"
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struct _ping {
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struct timeval tv;
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echld_ping_cb_t cb;
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void* cb_data;
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};
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static long timevaldiff(struct timeval *starttime, struct timeval *finishtime) {
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long msec;
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msec=(finishtime->tv_sec-starttime->tv_sec)*1000;
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msec+=(finishtime->tv_usec-starttime->tv_usec)/1000;
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return msec;
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}
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static gboolean pong(echld_msg_type_t type, GByteArray* ba _U_, void* data) {
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struct _ping* p = (struct _ping*)data;
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struct timeval t;
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long ret = -1;
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gettimeofday(&t,NULL);
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switch (type) {
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case ECHLD_PONG:
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ret = timevaldiff(&(p->tv),&t);
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default:
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ret = -1;
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}
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if (p->cb) p->cb(ret, p->cb_data);
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return TRUE;
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}
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echld_state_t echld_ping(int chld_id, echld_ping_cb_t pcb, void* cb_data) {
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struct _ping* p = g_new0(struct _ping,1);
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p->cb = pcb;
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p->cb_data = cb_data;
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gettimeofday(&(p->tv),NULL);
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return echld_reqh(chld_id, 0, ECHLD_PING, NULL, pong, p);
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}
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