2cf938cfa8
This allows flags to be passed by the registering listener to the collection of information
461 lines
18 KiB
C
461 lines
18 KiB
C
/* packet-pingpongprotocol.c
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* Routines for the Ping Pong Protocol, a test application of the
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* RSPLIB RSerPool implementation
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* https://www.uni-due.de/~be0001/rserpool/
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*
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* Copyright 2006-2021 by Thomas Dreibholz <dreibh [AT] iem.uni-due.de>
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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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* Copied from README.developer
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/sctpppids.h>
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#include <epan/stat_tap_ui.h>
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#define PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY 0x29097602
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void proto_register_pingpongprotocol(void);
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void proto_reg_handoff_pingpongprotocol(void);
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/* Initialize the protocol and registered fields */
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static int proto_pingpongprotocol = -1;
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static int tap_pingpongprotocol = -1;
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static int ett_pingpongprotocol = -1;
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static int hf_message_type = -1;
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static int hf_message_flags = -1;
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static int hf_message_length = -1;
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static int hf_ping_messageno = -1;
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static int hf_ping_data = -1;
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static int hf_pong_messageno = -1;
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static int hf_pong_replyno = -1;
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static int hf_pong_data = -1;
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static guint64 pingpongprotocol_total_msgs = 0;
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static guint64 pingpongprotocol_total_bytes = 0;
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/* Dissectors for messages. This is specific to PingPongProtocol */
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#define MESSAGE_TYPE_LENGTH 1
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#define MESSAGE_FLAGS_LENGTH 1
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#define MESSAGE_LENGTH_LENGTH 2
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#define MESSAGE_TYPE_OFFSET 0
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#define MESSAGE_FLAGS_OFFSET (MESSAGE_TYPE_OFFSET + MESSAGE_TYPE_LENGTH)
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#define MESSAGE_LENGTH_OFFSET (MESSAGE_FLAGS_OFFSET + MESSAGE_FLAGS_LENGTH)
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#define MESSAGE_VALUE_OFFSET (MESSAGE_LENGTH_OFFSET + MESSAGE_LENGTH_LENGTH)
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#define PING_MESSAGENO_LENGTH 8
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#define PING_MESSAGENO_OFFSET MESSAGE_VALUE_OFFSET
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#define PING_DATA_OFFSET (PING_MESSAGENO_OFFSET + PING_MESSAGENO_LENGTH)
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#define PONG_MESSAGENO_LENGTH 8
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#define PONG_REPLYNO_LENGTH 8
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#define PONG_MESSAGENO_OFFSET MESSAGE_VALUE_OFFSET
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#define PONG_REPLYNO_OFFSET (PONG_MESSAGENO_OFFSET + PONG_MESSAGENO_LENGTH)
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#define PONG_DATA_OFFSET (PONG_REPLYNO_OFFSET + PONG_REPLYNO_LENGTH)
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#define PINGPONG_PING_MESSAGE_TYPE 0x01
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#define PINGPONG_PONG_MESSAGE_TYPE 0x02
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static const value_string message_type_values[] = {
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{ PINGPONG_PONG_MESSAGE_TYPE, "PingPongProtocol Pong" },
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{ PINGPONG_PING_MESSAGE_TYPE, "PingPongProtocol Ping" },
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{ 0, NULL }
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};
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typedef struct _tap_pingpongprotocol_rec_t {
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guint8 type;
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guint16 size;
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const char* type_string;
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} tap_pingpongprotocol_rec_t;
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static void
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dissect_pingpongprotocol_ping_message(tvbuff_t *message_tvb, proto_tree *message_tree)
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{
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guint16 ping_data_length;
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proto_tree_add_item(message_tree, hf_ping_messageno, message_tvb, PING_MESSAGENO_OFFSET, PING_MESSAGENO_LENGTH, ENC_BIG_ENDIAN);
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ping_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PING_DATA_OFFSET;
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if (ping_data_length > 0)
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proto_tree_add_item(message_tree, hf_ping_data, message_tvb, PING_DATA_OFFSET, ping_data_length, ENC_NA);
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}
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static void
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dissect_pingpongprotocol_pong_message(tvbuff_t *message_tvb, proto_tree *message_tree)
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{
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guint16 pong_data_length;
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proto_tree_add_item(message_tree, hf_pong_messageno, message_tvb, PONG_MESSAGENO_OFFSET, PONG_MESSAGENO_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(message_tree, hf_pong_replyno, message_tvb, PONG_REPLYNO_OFFSET, PONG_REPLYNO_LENGTH, ENC_BIG_ENDIAN);
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pong_data_length = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET) - PONG_DATA_OFFSET;
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if (pong_data_length > 0) {
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proto_tree_add_item(message_tree, hf_pong_data, message_tvb, PONG_DATA_OFFSET, pong_data_length, ENC_NA);
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}
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}
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static void
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dissect_pingpongprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *pingpongprotocol_tree)
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{
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tap_pingpongprotocol_rec_t* tap_rec = wmem_new0(pinfo->pool, tap_pingpongprotocol_rec_t);
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tap_rec->type = tvb_get_guint8(message_tvb, MESSAGE_TYPE_OFFSET);
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tap_rec->size = tvb_get_ntohs(message_tvb, MESSAGE_LENGTH_OFFSET);
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tap_rec->type_string = val_to_str_const(tap_rec->type, message_type_values, "Unknown PingPongProtocol message type");
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tap_queue_packet(tap_pingpongprotocol, pinfo, tap_rec);
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col_add_fstr(pinfo->cinfo, COL_INFO, "%s ", tap_rec->type_string);
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proto_tree_add_item(pingpongprotocol_tree, hf_message_type, message_tvb, MESSAGE_TYPE_OFFSET, MESSAGE_TYPE_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(pingpongprotocol_tree, hf_message_flags, message_tvb, MESSAGE_FLAGS_OFFSET, MESSAGE_FLAGS_LENGTH, ENC_BIG_ENDIAN);
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proto_tree_add_item(pingpongprotocol_tree, hf_message_length, message_tvb, MESSAGE_LENGTH_OFFSET, MESSAGE_LENGTH_LENGTH, ENC_BIG_ENDIAN);
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switch (tap_rec->type) {
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case PINGPONG_PING_MESSAGE_TYPE:
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dissect_pingpongprotocol_ping_message(message_tvb, pingpongprotocol_tree);
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break;
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case PINGPONG_PONG_MESSAGE_TYPE:
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dissect_pingpongprotocol_pong_message(message_tvb, pingpongprotocol_tree);
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break;
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}
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}
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static int
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dissect_pingpongprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
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{
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proto_item *pingpongprotocol_item;
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proto_tree *pingpongprotocol_tree;
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col_set_str(pinfo->cinfo, COL_PROTOCOL, "PingPongProtocol");
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/* In the interest of speed, if "tree" is NULL, don't do any work not
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necessary to generate protocol tree items. */
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if (tree) {
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/* create the pingpongprotocol protocol tree */
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pingpongprotocol_item = proto_tree_add_item(tree, proto_pingpongprotocol, message_tvb, 0, -1, ENC_NA);
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pingpongprotocol_tree = proto_item_add_subtree(pingpongprotocol_item, ett_pingpongprotocol);
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} else {
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pingpongprotocol_tree = NULL;
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};
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/* dissect the message */
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dissect_pingpongprotocol_message(message_tvb, pinfo, pingpongprotocol_tree);
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return(TRUE);
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}
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/* TAP STAT INFO */
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typedef enum
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{
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MESSAGE_TYPE_COLUMN = 0,
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MESSAGES_COLUMN,
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MESSAGES_SHARE_COLUMN,
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BYTES_COLUMN,
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BYTES_SHARE_COLUMN,
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FIRST_SEEN_COLUMN,
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LAST_SEEN_COLUMN,
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INTERVAL_COLUMN,
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MESSAGE_RATE_COLUMN,
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BYTE_RATE_COLUMN
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} pingpongprotocol_stat_columns;
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static stat_tap_table_item pingpongprotocol_stat_fields[] = {
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{ TABLE_ITEM_STRING, TAP_ALIGN_LEFT, "PingPongProtocol Message Type", "%-25s" },
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{ TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Messages ", "%u" },
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{ TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Messages Share (%)" , "%1.3f %%" },
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{ TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Bytes (B)", "%u" },
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{ TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Bytes Share (%) ", "%1.3f %%" },
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{ TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "First Seen (s)", "%1.6f" },
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{ TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Last Seen (s)", "%1.6f" },
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{ TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Interval (s)", "%1.6f" },
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{ TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Message Rate (Msg/s)", "%1.2f" },
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{ TABLE_ITEM_FLOAT, TAP_ALIGN_LEFT, "Byte Rate (B/s)", "%1.2f" }
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};
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static void pingpongprotocol_stat_init(stat_tap_table_ui* new_stat)
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{
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const char *table_name = "PingPongProtocol Statistics";
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int num_fields = sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item);
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stat_tap_table *table;
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int i = 0;
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stat_tap_table_item_type items[sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item)];
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table = stat_tap_find_table(new_stat, table_name);
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if (table) {
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if (new_stat->stat_tap_reset_table_cb) {
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new_stat->stat_tap_reset_table_cb(table);
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}
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return;
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}
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table = stat_tap_init_table(table_name, num_fields, 0, NULL);
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stat_tap_add_table(new_stat, table);
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memset(items, 0x0, sizeof(items));
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/* Add a row for each value type */
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while (message_type_values[i].strptr) {
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items[MESSAGE_TYPE_COLUMN].type = TABLE_ITEM_STRING;
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items[MESSAGE_TYPE_COLUMN].value.string_value = message_type_values[i].strptr;
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items[MESSAGES_COLUMN].type = TABLE_ITEM_UINT;
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items[MESSAGES_COLUMN].value.uint_value = 0;
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items[MESSAGES_SHARE_COLUMN].type = TABLE_ITEM_NONE;
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items[MESSAGES_SHARE_COLUMN].value.float_value = -1.0;
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items[BYTES_COLUMN].type = TABLE_ITEM_UINT;
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items[BYTES_COLUMN].value.uint_value = 0;
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items[BYTES_SHARE_COLUMN].type = TABLE_ITEM_NONE;
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items[BYTES_SHARE_COLUMN].value.float_value = -1.0;
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items[FIRST_SEEN_COLUMN].type = TABLE_ITEM_NONE;
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items[FIRST_SEEN_COLUMN].value.float_value = DBL_MAX;
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items[LAST_SEEN_COLUMN].type = TABLE_ITEM_NONE;
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items[LAST_SEEN_COLUMN].value.float_value = DBL_MIN;
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items[INTERVAL_COLUMN].type = TABLE_ITEM_NONE;
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items[INTERVAL_COLUMN].value.float_value = -1.0;
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items[MESSAGE_RATE_COLUMN].type = TABLE_ITEM_NONE;
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items[MESSAGE_RATE_COLUMN].value.float_value = -1.0;
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items[BYTE_RATE_COLUMN].type = TABLE_ITEM_NONE;
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items[BYTE_RATE_COLUMN].value.float_value = -1.0;
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stat_tap_init_table_row(table, i, num_fields, items);
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i++;
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}
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}
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static tap_packet_status
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pingpongprotocol_stat_packet(void* tapdata, packet_info* pinfo _U_, epan_dissect_t* edt _U_, const void* data, tap_flags_t flags _U_)
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{
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stat_data_t* stat_data = (stat_data_t*)tapdata;
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const tap_pingpongprotocol_rec_t* tap_rec = (const tap_pingpongprotocol_rec_t*)data;
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stat_tap_table* table;
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stat_tap_table_item_type* msg_data;
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gint idx;
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guint64 messages;
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guint64 bytes;
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int i = 0;
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double firstSeen = -1.0;
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double lastSeen = -1.0;
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idx = str_to_val_idx(tap_rec->type_string, message_type_values);
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if (idx < 0)
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return TAP_PACKET_DONT_REDRAW;
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table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0);
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/* Update packets counter */
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pingpongprotocol_total_msgs++;
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msg_data = stat_tap_get_field_data(table, idx, MESSAGES_COLUMN);
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msg_data->value.uint_value++;
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messages = msg_data->value.uint_value;
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stat_tap_set_field_data(table, idx, MESSAGES_COLUMN, msg_data);
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/* Update bytes counter */
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pingpongprotocol_total_bytes += tap_rec->size;
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msg_data = stat_tap_get_field_data(table, idx, BYTES_COLUMN);
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msg_data->value.uint_value += tap_rec->size;
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bytes = msg_data->value.uint_value;
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stat_tap_set_field_data(table, idx, BYTES_COLUMN, msg_data);
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/* Update messages and bytes share */
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while (message_type_values[i].strptr) {
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msg_data = stat_tap_get_field_data(table, i, MESSAGES_COLUMN);
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const guint m = msg_data->value.uint_value;
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msg_data = stat_tap_get_field_data(table, i, BYTES_COLUMN);
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const guint b = msg_data->value.uint_value;
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msg_data = stat_tap_get_field_data(table, i, MESSAGES_SHARE_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = 100.0 * m / (double)pingpongprotocol_total_msgs;
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stat_tap_set_field_data(table, i, MESSAGES_SHARE_COLUMN, msg_data);
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msg_data = stat_tap_get_field_data(table, i, BYTES_SHARE_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = 100.0 * b / (double)pingpongprotocol_total_bytes;
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stat_tap_set_field_data(table, i, BYTES_SHARE_COLUMN, msg_data);
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i++;
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}
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/* Update first seen time */
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if (pinfo->presence_flags & PINFO_HAS_TS) {
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msg_data = stat_tap_get_field_data(table, idx, FIRST_SEEN_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = MIN(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
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firstSeen = msg_data->value.float_value;
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stat_tap_set_field_data(table, idx, FIRST_SEEN_COLUMN, msg_data);
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}
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/* Update last seen time */
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if (pinfo->presence_flags & PINFO_HAS_TS) {
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msg_data = stat_tap_get_field_data(table, idx, LAST_SEEN_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = MAX(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
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lastSeen = msg_data->value.float_value;
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stat_tap_set_field_data(table, idx, LAST_SEEN_COLUMN, msg_data);
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}
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if ((lastSeen - firstSeen) > 0.0) {
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/* Update interval */
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msg_data = stat_tap_get_field_data(table, idx, INTERVAL_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = lastSeen - firstSeen;
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stat_tap_set_field_data(table, idx, INTERVAL_COLUMN, msg_data);
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/* Update message rate */
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msg_data = stat_tap_get_field_data(table, idx, MESSAGE_RATE_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = messages / (lastSeen - firstSeen);
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stat_tap_set_field_data(table, idx, MESSAGE_RATE_COLUMN, msg_data);
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/* Update byte rate */
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msg_data = stat_tap_get_field_data(table, idx, BYTE_RATE_COLUMN);
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msg_data->type = TABLE_ITEM_FLOAT;
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msg_data->value.float_value = bytes / (lastSeen - firstSeen);
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stat_tap_set_field_data(table, idx, BYTE_RATE_COLUMN, msg_data);
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}
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return TAP_PACKET_REDRAW;
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}
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static void
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pingpongprotocol_stat_reset(stat_tap_table* table)
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{
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guint element;
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stat_tap_table_item_type* item_data;
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for (element = 0; element < table->num_elements; element++) {
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item_data = stat_tap_get_field_data(table, element, MESSAGES_COLUMN);
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item_data->value.uint_value = 0;
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stat_tap_set_field_data(table, element, MESSAGES_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, MESSAGES_SHARE_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = -1.0;
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stat_tap_set_field_data(table, element, MESSAGES_SHARE_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, BYTES_COLUMN);
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item_data->value.uint_value = 0;
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stat_tap_set_field_data(table, element, BYTES_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, BYTES_SHARE_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = -1.0;
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stat_tap_set_field_data(table, element, BYTES_SHARE_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, FIRST_SEEN_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = DBL_MAX;
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stat_tap_set_field_data(table, element, FIRST_SEEN_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, LAST_SEEN_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = DBL_MIN;
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stat_tap_set_field_data(table, element, LAST_SEEN_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, INTERVAL_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = -1.0;
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stat_tap_set_field_data(table, element, INTERVAL_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, MESSAGE_RATE_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = -1.0;
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stat_tap_set_field_data(table, element, MESSAGE_RATE_COLUMN, item_data);
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item_data = stat_tap_get_field_data(table, element, BYTE_RATE_COLUMN);
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item_data->type = TABLE_ITEM_NONE;
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item_data->value.float_value = -1.0;
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stat_tap_set_field_data(table, element, BYTE_RATE_COLUMN, item_data);
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}
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pingpongprotocol_total_msgs = 0;
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pingpongprotocol_total_bytes = 0;
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}
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/* Register the protocol with Wireshark */
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void
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proto_register_pingpongprotocol(void)
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{
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|
/* Setup list of header fields */
|
|
static hf_register_info hf[] = {
|
|
{ &hf_message_type, { "Type", "pingpongprotocol.message_type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } },
|
|
{ &hf_message_flags, { "Flags", "pingpongprotocol.message_flags", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_message_length, { "Length", "pingpongprotocol.message_length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_ping_messageno, { "MessageNo", "pingpongprotocol.ping_messageno", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_ping_data, { "Ping_Data", "pingpongprotocol.ping_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_pong_messageno, { "MessageNo", "pingpongprotocol.pong_messageno", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_pong_replyno, { "ReplyNo", "pingpongprotocol.pong_replyno", FT_UINT64, BASE_DEC, NULL, 0x0, NULL, HFILL } },
|
|
{ &hf_pong_data, { "Pong_Data", "pingpongprotocol.pong_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } },
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_pingpongprotocol
|
|
};
|
|
|
|
static tap_param pingpongprotocol_stat_params[] = {
|
|
{ PARAM_FILTER, "filter", "Filter", NULL, TRUE }
|
|
};
|
|
|
|
static stat_tap_table_ui pingpongprotocol_stat_table = {
|
|
REGISTER_STAT_GROUP_RSERPOOL,
|
|
"PingPongProtocol Statistics",
|
|
"pingpongprotocol",
|
|
"pingpongprotocol,stat",
|
|
pingpongprotocol_stat_init,
|
|
pingpongprotocol_stat_packet,
|
|
pingpongprotocol_stat_reset,
|
|
NULL,
|
|
NULL,
|
|
sizeof(pingpongprotocol_stat_fields)/sizeof(stat_tap_table_item), pingpongprotocol_stat_fields,
|
|
sizeof(pingpongprotocol_stat_params)/sizeof(tap_param), pingpongprotocol_stat_params,
|
|
NULL,
|
|
0
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_pingpongprotocol = proto_register_protocol("Ping Pong Protocol", "PingPongProtocol", "pingpongprotocol");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_pingpongprotocol, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
tap_pingpongprotocol = register_tap("pingpongprotocol");
|
|
|
|
register_stat_tap_table_ui(&pingpongprotocol_stat_table);
|
|
}
|
|
|
|
void
|
|
proto_reg_handoff_pingpongprotocol(void)
|
|
{
|
|
dissector_handle_t pingpongprotocol_handle;
|
|
|
|
pingpongprotocol_handle = create_dissector_handle(dissect_pingpongprotocol, proto_pingpongprotocol);
|
|
dissector_add_uint("sctp.ppi", PINGPONGPROTOCOL_PAYLOAD_PROTOCOL_ID_LEGACY, pingpongprotocol_handle);
|
|
dissector_add_uint("sctp.ppi", PPP_PAYLOAD_PROTOCOL_ID, pingpongprotocol_handle);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 2
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=2 tabstop=8 expandtab:
|
|
* :indentSize=2:tabSize=8:noTabs=true:
|
|
*/
|