diff options
author | Alexis La Goutte <alexis.lagoutte@gmail.com> | 2014-10-27 23:00:54 +0100 |
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committer | Michael Mann <mmann78@netscape.net> | 2015-02-08 22:22:33 +0000 |
commit | 0310132a82f2642ba0dd995e12aeebad665f2e7c (patch) | |
tree | 58e277e00c464ffe1848f5d6cf3e30e1421cb98d /ui/gtk/mcast_stream.c | |
parent | d7ee0952d1a7e79e0b54483572f446f86aef4a57 (diff) |
Multicast Stream: Move mcast_stream.[ch] to ui
Preparation to add Multicast Stream Dialog on Qt (Add extern C...)
Change-Id: Ic8bc39a18dba607d6da116df799de7847ce8e4c8
Reviewed-on: https://code.wireshark.org/review/6984
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Diffstat (limited to 'ui/gtk/mcast_stream.c')
-rw-r--r-- | ui/gtk/mcast_stream.c | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/ui/gtk/mcast_stream.c b/ui/gtk/mcast_stream.c deleted file mode 100644 index a3a3321706..0000000000 --- a/ui/gtk/mcast_stream.c +++ /dev/null @@ -1,474 +0,0 @@ -/* mcast_stream.c - * - * Copyright 2006, Iskratel , Slovenia - * By Jakob Bratkovic <j.bratkovic@iskratel.si> and - * Miha Jemec <m.jemec@iskratel.si> - * - * based on rtp_stream.c - * Copyright 2003, Alcatel Business Systems - * By Lars Ruoff <lars.ruoff@gmx.net> - * - * Wireshark - Network traffic analyzer - * By Gerald Combs <gerald@wireshark.org> - * Copyright 1998 Gerald Combs - * - * 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 (at your option) 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. - */ - -#include "config.h" -#ifdef HAVE_FCNTL_H -#include <fcntl.h> -#endif - -#include <glib.h> - -#include <stdio.h> -#include <stdlib.h> -#include <time.h> -#include <string.h> - -#include <gtk/gtk.h> - -#include <epan/epan.h> -#include <epan/address.h> -#include <epan/packet.h> -#include <epan/tap.h> -#include <epan/to_str.h> - -#include "ui/alert_box.h" -#include "ui/simple_dialog.h" - -#include "ui/gtk/mcast_stream.h" -#include "ui/gtk/mcast_stream_dlg.h" -#include "ui/gtk/main.h" -#include "ui/gtk/stock_icons.h" - -#ifdef HAVE_WINSOCK2_H -#include <winsock2.h> -#endif - -gint32 mcast_stream_trigger = 50; /* limit for triggering the burst alarm (in packets per second) */ -gint32 mcast_stream_bufferalarm = 10000; /* limit for triggering the buffer alarm (in bytes) */ -guint16 mcast_stream_burstint = 100; /* burst interval in ms */ -gint32 mcast_stream_emptyspeed = 5000; /* outgoing speed for single stream (kbps)*/ -gint32 mcast_stream_cumulemptyspeed = 100000; /* outgoiong speed for all streams (kbps)*/ - -/* sliding window and buffer usage */ -static gint32 buffsize = (int)((double)MAX_SPEED * 100 / 1000) * 2; -static guint16 comparetimes(struct timeval *t1, struct timeval *t2, guint16 burstint_lcl); -static void buffusagecalc(mcast_stream_info_t *strinfo, packet_info *pinfo, double emptyspeed_lcl); -static void slidingwindow(mcast_stream_info_t *strinfo, packet_info *pinfo); - - -/****************************************************************************/ -/* the one and only global mcaststream_tapinfo_t structure */ -static mcaststream_tapinfo_t the_tapinfo_struct = - {0, NULL, 0, NULL, 0, FALSE}; - - -/****************************************************************************/ -/* GCompareFunc style comparison function for _mcast_stream_info */ -static gint -mcast_stream_info_cmp(gconstpointer aa, gconstpointer bb) -{ - const struct _mcast_stream_info* a = (const struct _mcast_stream_info *)aa; - const struct _mcast_stream_info* b = (const struct _mcast_stream_info *)bb; - - if (a==b) - return 0; - if (a==NULL || b==NULL) - return 1; - if (ADDRESSES_EQUAL(&(a->src_addr), &(b->src_addr)) - && (a->src_port == b->src_port) - && ADDRESSES_EQUAL(&(a->dest_addr), &(b->dest_addr)) - && (a->dest_port == b->dest_port)) - return 0; - else - return 1; - -} - - -/****************************************************************************/ -/* when there is a [re]reading of packet's */ -void -mcaststream_reset(mcaststream_tapinfo_t *tapinfo) -{ - GList* list; - - /* free the data items first */ - list = g_list_first(tapinfo->strinfo_list); - while (list) - { - /* XYZ I don't know how to clean this */ - /*g_free(list->element.buff); */ - g_free(list->data); - list = g_list_next(list); - } - g_list_free(tapinfo->strinfo_list); - tapinfo->strinfo_list = NULL; - - /* XYZ and why does the line below causes a crach? */ - /*g_free(tapinfo->allstreams->element.buff);*/ - g_free(tapinfo->allstreams); - tapinfo->allstreams = NULL; - - tapinfo->nstreams = 0; - tapinfo->npackets = 0; - - ++(tapinfo->launch_count); - - return; -} - -static void -mcaststream_reset_cb(void *arg) -{ - mcaststream_reset((mcaststream_tapinfo_t *)arg); -} - -/****************************************************************************/ -/* redraw the output */ -static void -mcaststream_draw(void *arg _U_) -{ -/* XXX: see mcaststream_on_update in mcast_streams_dlg.c for comments - g_signal_emit_by_name(top_level, "signal_mcaststream_update"); -*/ - mcaststream_dlg_update(the_tapinfo_struct.strinfo_list); - return; -} - - - -/****************************************************************************/ -/* whenever a udp packet is seen by the tap listener */ -static int -mcaststream_packet(void *arg, packet_info *pinfo, epan_dissect_t *edt _U_, const void *arg2 _U_) -{ - mcaststream_tapinfo_t *tapinfo = (mcaststream_tapinfo_t *)arg; - mcast_stream_info_t tmp_strinfo; - mcast_stream_info_t *strinfo = NULL; - GList* list; - float deltatime; - - /* gather infos on the stream this packet is part of */ - COPY_ADDRESS(&(tmp_strinfo.src_addr), &(pinfo->src)); - tmp_strinfo.src_port = pinfo->srcport; - COPY_ADDRESS(&(tmp_strinfo.dest_addr), &(pinfo->dst)); - tmp_strinfo.dest_port = pinfo->destport; - - /* first we ignore non multicast packets; we filter out only those ethernet packets - * which start with the 01:00:5E multicast address (for IPv4) and 33:33 multicast - * address (for IPv6). - */ - if ((pinfo->dl_dst.type != AT_ETHER) || - ((g_ascii_strncasecmp("01005E", bytes_to_str(pinfo->pool, (const guint8 *)pinfo->dl_dst.data, pinfo->dl_dst.len), 6) != 0) && - (g_ascii_strncasecmp("3333", bytes_to_str(pinfo->pool, (const guint8 *)pinfo->dl_dst.data, pinfo->dl_dst.len), 4) != 0)) ) - return 0; - - /* check whether we already have a stream with these parameters in the list */ - list = g_list_first(tapinfo->strinfo_list); - while (list) - { - if (mcast_stream_info_cmp(&tmp_strinfo, (mcast_stream_info_t*)(list->data))==0) - { - strinfo = (mcast_stream_info_t*)(list->data); /*found!*/ - break; - } - list = g_list_next(list); - } - - /* not in the list? then create a new entry */ - if (!strinfo) { - /*printf("nov sip %s sp %d dip %s dp %d\n", address_to_display(NULL, &(pinfo->src)), - pinfo->srcport, address_to_display(NULL, &(pinfo->dst)), pinfo->destport);*/ - tmp_strinfo.npackets = 0; - tmp_strinfo.apackets = 0; - tmp_strinfo.first_frame_num = pinfo->fd->num; - tmp_strinfo.start_sec = (guint32) pinfo->fd->abs_ts.secs; - tmp_strinfo.start_usec = pinfo->fd->abs_ts.nsecs/1000; - tmp_strinfo.start_rel_sec = (guint32) pinfo->rel_ts.secs; - tmp_strinfo.start_rel_usec = pinfo->rel_ts.nsecs/1000; - tmp_strinfo.vlan_id = 0; - - /* reset Mcast stats */ - tmp_strinfo.average_bw = 0; - tmp_strinfo.total_bytes = 0; - - /* reset slidingwindow and buffer parameters */ - tmp_strinfo.element.buff = (struct timeval *)g_malloc(buffsize * sizeof(struct timeval)); - tmp_strinfo.element.first=0; - tmp_strinfo.element.last=0; - tmp_strinfo.element.burstsize=1; - tmp_strinfo.element.topburstsize=1; - tmp_strinfo.element.numbursts=0; - tmp_strinfo.element.burststatus=0; - tmp_strinfo.element.count=1; - tmp_strinfo.element.buffusage=pinfo->fd->pkt_len; - tmp_strinfo.element.topbuffusage=pinfo->fd->pkt_len; - tmp_strinfo.element.numbuffalarms=0; - tmp_strinfo.element.buffstatus=0; - tmp_strinfo.element.maxbw=0; - - strinfo = (mcast_stream_info_t *)g_malloc(sizeof(mcast_stream_info_t)); - *strinfo = tmp_strinfo; /* memberwise copy of struct */ - tapinfo->strinfo_list = g_list_append(tapinfo->strinfo_list, strinfo); - strinfo->element.buff = (struct timeval *)g_malloc(buffsize * sizeof(struct timeval)); - - /* set time with the first packet */ - if (tapinfo->npackets == 0) { - tapinfo->allstreams = (mcast_stream_info_t *)g_malloc(sizeof(mcast_stream_info_t)); - tapinfo->allstreams->element.buff = - (struct timeval *)g_malloc(buffsize * sizeof(struct timeval)); - tapinfo->allstreams->start_rel_sec = (guint32) pinfo->rel_ts.secs; - tapinfo->allstreams->start_rel_usec = pinfo->rel_ts.nsecs/1000; - tapinfo->allstreams->total_bytes = 0; - tapinfo->allstreams->element.first=0; - tapinfo->allstreams->element.last=0; - tapinfo->allstreams->element.burstsize=1; - tapinfo->allstreams->element.topburstsize=1; - tapinfo->allstreams->element.numbursts=0; - tapinfo->allstreams->element.burststatus=0; - tapinfo->allstreams->element.count=1; - tapinfo->allstreams->element.buffusage=pinfo->fd->pkt_len; - tapinfo->allstreams->element.topbuffusage=pinfo->fd->pkt_len; - tapinfo->allstreams->element.numbuffalarms=0; - tapinfo->allstreams->element.buffstatus=0; - tapinfo->allstreams->element.maxbw=0; - } - } - - /* time between first and last packet in the group */ - strinfo->stop_rel_sec = (guint32) pinfo->rel_ts.secs; - strinfo->stop_rel_usec = pinfo->rel_ts.nsecs/1000; - deltatime = ((float)((strinfo->stop_rel_sec * 1000000 + strinfo->stop_rel_usec) - - (strinfo->start_rel_sec*1000000 + strinfo->start_rel_usec)))/1000000; - - /* calculate average bandwidth for this stream */ - strinfo->total_bytes = strinfo->total_bytes + pinfo->fd->pkt_len; - if (deltatime > 0) - strinfo->average_bw = (((float)(strinfo->total_bytes*8) / deltatime) / 1000000); - - /* increment the packets counter for this stream and calculate average pps */ - ++(strinfo->npackets); - strinfo->apackets = (guint32) (strinfo->npackets / deltatime); - - /* time between first and last packet in any group */ - tapinfo->allstreams->stop_rel_sec = (guint32) pinfo->rel_ts.secs; - tapinfo->allstreams->stop_rel_usec = pinfo->rel_ts.nsecs/1000; - deltatime = ((float)((tapinfo->allstreams->stop_rel_sec * 1000000 + tapinfo->allstreams->stop_rel_usec) - - (tapinfo->allstreams->start_rel_sec*1000000 + tapinfo->allstreams->start_rel_usec)))/1000000; - - /* increment the packets counter of all streams */ - ++(tapinfo->npackets); - - /* calculate average bandwidth for all streams */ - tapinfo->allstreams->total_bytes = tapinfo->allstreams->total_bytes + pinfo->fd->pkt_len; - if (deltatime > 0) - tapinfo->allstreams->average_bw = (((float)(tapinfo->allstreams->total_bytes *8) / deltatime) / 1000000); - - /* sliding window and buffercalc for this group*/ - slidingwindow(strinfo, pinfo); - buffusagecalc(strinfo, pinfo, mcast_stream_emptyspeed*1000); - /* sliding window and buffercalc for all groups */ - slidingwindow(tapinfo->allstreams, pinfo); - buffusagecalc(tapinfo->allstreams, pinfo, mcast_stream_cumulemptyspeed*1000); - /* end of sliding window */ - - return 1; /* refresh output */ - -} - -/****************************************************************************/ -/* scan for Mcast streams */ -void -mcaststream_scan(void) -{ - gboolean was_registered = the_tapinfo_struct.is_registered; - if (!the_tapinfo_struct.is_registered) - register_tap_listener_mcast_stream(); - - cf_retap_packets(&cfile); - - if (!was_registered) - remove_tap_listener_mcast_stream(); -} - - -/****************************************************************************/ -const mcaststream_tapinfo_t * -mcaststream_get_info(void) -{ - return &the_tapinfo_struct; -} - - -/****************************************************************************/ -/* TAP INTERFACE */ -/****************************************************************************/ - -/****************************************************************************/ -void -remove_tap_listener_mcast_stream(void) -{ - if (the_tapinfo_struct.is_registered) { - remove_tap_listener(&the_tapinfo_struct); - - the_tapinfo_struct.is_registered = FALSE; - } -} - - -/****************************************************************************/ -void -register_tap_listener_mcast_stream(void) -{ - GString *error_string; - if (!the_tapinfo_struct.is_registered) { - error_string = register_tap_listener("udp", &the_tapinfo_struct, - NULL, 0, mcaststream_reset_cb, mcaststream_packet, - mcaststream_draw); - - if (error_string != NULL) { - simple_dialog(ESD_TYPE_ERROR, ESD_BTN_OK, - "%s", error_string->str); - g_string_free(error_string, TRUE); - exit(1); - } - - the_tapinfo_struct.is_registered = TRUE; - } -} - -/*******************************************************************************/ -/* sliding window and buffer calculations */ - -/* compare two times */ -static guint16 -comparetimes(struct timeval *t1, struct timeval *t2, guint16 burstint_lcl) -{ - if(((t2->tv_sec - t1->tv_sec)*1000 + (t2->tv_usec - t1->tv_usec)/1000) > burstint_lcl){ - return 1; - } else{ - return 0; - } -} - -/* calculate buffer usage */ -static void -buffusagecalc(mcast_stream_info_t *strinfo, packet_info *pinfo, double emptyspeed_lcl) -{ - time_t sec=0; - gint32 usec=0, cur, prev; - struct timeval *buffer; - double timeelapsed; - - buffer = strinfo->element.buff; - cur = strinfo->element.last; - if(cur == 0){ - cur = buffsize - 1; - prev = cur - 1; - } else if(cur == 1){ - prev = buffsize - 1; - cur = 0; - } else{ - cur=cur-1; - prev=cur-1; - } - - sec = buffer[cur].tv_sec - buffer[prev].tv_sec; - usec = (gint32)buffer[cur].tv_usec - (gint32)buffer[prev].tv_usec; - timeelapsed = (double)usec/1000000 + (double)sec; - - /* bytes added to buffer */ - strinfo->element.buffusage+=pinfo->fd->pkt_len; - - /* bytes cleared from buffer */ - strinfo->element.buffusage-= (guint32) (timeelapsed * emptyspeed_lcl / 8); - - if(strinfo->element.buffusage < 0) strinfo->element.buffusage=0; - if(strinfo->element.buffusage > strinfo->element.topbuffusage) - strinfo->element.topbuffusage = strinfo->element.buffusage; - /* check for buffer losses */ - if((strinfo->element.buffusage >= mcast_stream_bufferalarm) && (strinfo->element.buffstatus == 0)){ - strinfo->element.buffstatus = 1; - strinfo->element.numbuffalarms++; - } else if(strinfo->element.buffusage < mcast_stream_bufferalarm){ - strinfo->element.buffstatus = 0; - } - - return; -} - -/* sliding window calculation */ -static void -slidingwindow(mcast_stream_info_t *strinfo, packet_info *pinfo) -{ - struct timeval *buffer; - gint32 diff; - - buffer = strinfo->element.buff; - - diff = strinfo->element.last - strinfo->element.first; - if(diff < 0) diff+=buffsize; - - /* check if buffer is full */ - if(diff >= (buffsize - 2)){ - fprintf(stderr, "Warning: capture buffer full\n"); - strinfo->element.first++; - if(strinfo->element.first >= buffsize) strinfo->element.first = strinfo->element.first % buffsize; - } - - /* burst count */ - buffer[strinfo->element.last].tv_sec = (guint32) pinfo->rel_ts.secs; - buffer[strinfo->element.last].tv_usec = pinfo->rel_ts.nsecs/1000; - while(comparetimes((struct timeval *)&(buffer[strinfo->element.first]), - (struct timeval *)&(buffer[strinfo->element.last]), mcast_stream_burstint)){ - strinfo->element.first++; - if(strinfo->element.first >= buffsize) strinfo->element.first = strinfo->element.first % buffsize; - diff--; - } - strinfo->element.burstsize = diff; - if(strinfo->element.burstsize > strinfo->element.topburstsize) { - strinfo->element.topburstsize = strinfo->element.burstsize; - strinfo->element.maxbw = (float)(strinfo->element.topburstsize) * 1000 / mcast_stream_burstint * pinfo->fd->pkt_len * 8 / 1000000; - } - - strinfo->element.last++; - if(strinfo->element.last >= buffsize) strinfo->element.last = strinfo->element.last % buffsize; - /* trigger check */ - if((strinfo->element.burstsize >= mcast_stream_trigger) && (strinfo->element.burststatus == 0)){ - strinfo->element.burststatus = 1; - strinfo->element.numbursts++; - } else if(strinfo->element.burstsize < mcast_stream_trigger){ - strinfo->element.burststatus = 0; - } - - strinfo->element.count++; -} - -/* - * Editor modelines - http://www.wireshark.org/tools/modelines.html - * - * Local variables: - * c-basic-offset: 4 - * tab-width: 8 - * indent-tabs-mode: nil - * End: - * - * vi: set shiftwidth=4 tabstop=8 expandtab: - * :indentSize=4:tabSize=8:noTabs=true: - */ |