diff options
Diffstat (limited to 'ui/tap-megaco-common.c')
| -rw-r--r-- | ui/tap-megaco-common.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/ui/tap-megaco-common.c b/ui/tap-megaco-common.c new file mode 100644 index 0000000000..4da9654fc7 --- /dev/null +++ b/ui/tap-megaco-common.c @@ -0,0 +1,192 @@ +/* megaco_stat.c + * megaco-statistics for Wireshark + * Copyright 2003 Lars Roland + * Copyright 2008 Ericsson AB + * By Balint Reczey <balint.reczey@ericsson.com> + * + * $Id$ + * + * 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" + +#include <string.h> + +#include <epan/packet_info.h> +#include <epan/epan.h> +#include <epan/value_string.h> +#include <epan/tap.h> +#include "epan/gcp.h" + +#include "epan/timestats.h" +#include "file.h" +#include "globals.h" +#include "stat_menu.h" + +#include "tap-megaco-common.h" + +static gboolean +megacostat_is_duplicate_reply(const gcp_cmd_t* cmd) +{ + switch (cmd->type) { + + GCP_CMD_REPLY_CASE + { + gcp_cmd_msg_t *cmd_msg; + /* cycle through commands to find same command in the transaction */ + for (cmd_msg = cmd->trx->cmds; + (cmd_msg != NULL) && (cmd_msg->cmd->msg->framenum != cmd->msg->framenum); + cmd_msg = cmd_msg->next) { + if (cmd_msg->cmd->type == cmd->type) + return TRUE; + } + + return FALSE; + } + break; + default: + return FALSE; + break; + } + + +} + +static gboolean +megacostat_had_request(const gcp_cmd_t* cmd) +{ + switch (cmd->type) { + + GCP_CMD_REPLY_CASE + { + gcp_cmd_msg_t *cmd_msg; + /* cycle through commands to find a request in the transaction */ + for (cmd_msg = cmd->trx->cmds; + (cmd_msg != NULL) && (cmd_msg->cmd->msg->framenum != cmd->msg->framenum); + cmd_msg = cmd_msg->next) { + + switch (cmd_msg->cmd->type) { + + GCP_CMD_REQ_CASE + return TRUE; + break; + default: + return FALSE; + break; + } + } + + return FALSE; + } + break; + default: + return FALSE; + break; + } +} + +int +megacostat_packet(void *pms, packet_info *pinfo, epan_dissect_t *edt _U_, const void *pmi) +{ + megacostat_t *ms=(megacostat_t *)pms; + const gcp_cmd_t *mi=(const gcp_cmd_t*)pmi; + nstime_t delta; + int ret = 0; + + switch (mi->type) { + + GCP_CMD_REQ_CASE + if(!mi->trx->initial) { + /* Track Context is probably disabled, we cannot + * measure service response time */ + return 0; + } + + else if(mi->trx->initial->framenum != mi->msg->framenum){ + /* Duplicate is ignored */ + ms->req_dup_num++; + } + else { + ms->open_req_num++; + } + break; + + GCP_CMD_REPLY_CASE + if(megacostat_is_duplicate_reply(mi)){ + /* Duplicate is ignored */ + ms->rsp_dup_num++; + } + else if (!megacostat_had_request(mi)) { + /* no request was seen */ + ms->disc_rsp_num++; + } + else { + ms->open_req_num--; + /* calculate time delta between request and response */ + nstime_delta(&delta, &pinfo->fd->abs_ts, &mi->trx->initial->time); + + switch(mi->type) { + + case GCP_CMD_ADD_REPLY: + time_stat_update(&(ms->rtd[0]),&delta, pinfo); + break; + case GCP_CMD_MOVE_REPLY: + time_stat_update(&(ms->rtd[1]),&delta, pinfo); + break; + case GCP_CMD_MOD_REPLY: + time_stat_update(&(ms->rtd[2]),&delta, pinfo); + break; + case GCP_CMD_SUB_REPLY: + time_stat_update(&(ms->rtd[3]),&delta, pinfo); + break; + case GCP_CMD_AUDITCAP_REPLY: + time_stat_update(&(ms->rtd[4]),&delta, pinfo); + break; + case GCP_CMD_AUDITVAL_REPLY: + time_stat_update(&(ms->rtd[5]),&delta, pinfo); + break; + case GCP_CMD_NOTIFY_REPLY: + time_stat_update(&(ms->rtd[6]),&delta, pinfo); + break; + case GCP_CMD_SVCCHG_REPLY: + time_stat_update(&(ms->rtd[7]),&delta, pinfo); + break; + case GCP_CMD_TOPOLOGY_REPLY: + time_stat_update(&(ms->rtd[8]),&delta, pinfo); + break; + case GCP_CMD_REPLY: + time_stat_update(&(ms->rtd[9]),&delta, pinfo); + break; + default: + time_stat_update(&(ms->rtd[11]),&delta, pinfo); + } + time_stat_update(&(ms->rtd[10]),&delta, pinfo); + + ret = 1; + } + break; + + default: + break; + } + + return ret; +} + |