Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 574 insertions, 0 deletions

diff --git a/epan/dissectors/packet-componentstatus.c b/epan/dissectors/packet-componentstatus.c
new file mode 100644
index 00000000..19346df2
--- /dev/null
+++ b/epan/dissectors/packet-componentstatus.c
@@ -0,0 +1,574 @@
+/* packet-componentstatus.c
+ * Routines for the Component Status Protocol of the
+ * RSPLIB RSerPool implementation
+ * https://www.uni-due.de/~be0001/rserpool/
+ *
+ * Copyright 2006-2021 by Thomas Dreibholz <dreibh [AT] iem.uni-due.de>
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * Copied from README.developer
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/ipproto.h>
+#include <epan/sctpppids.h>
+#include <epan/stat_tap_ui.h>
+
+
+void proto_register_componentstatusprotocol(void);
+void proto_reg_handoff_componentstatusprotocol(void);
+
+static dissector_handle_t componentstatusprotocol_handle;
+
+/* Initialize the protocol and registered fields */
+static int proto_componentstatusprotocol = -1;
+static int tap_componentstatusprotocol   = -1;
+
+/* Initialize the subtree pointers */
+static gint ett_componentstatusprotocol           = -1;
+static gint ett_message_flags                     = -1;
+static gint ett_message_sender_id                 = -1;
+static gint ett_cspreport_association_receiver_id = -1;
+static gint ett_association                       = -1;
+
+
+#define COMPONENTSTATUSPROTOCOL_PORT    2960   /* Not IANA registered */
+#define COMPONENTSTATUSPROTOCOL_VERSION 0x0200
+
+static int hf_message_type             = -1;
+static int hf_message_flags            = -1;
+static int hf_message_flags_final_bit  = -1;
+static int hf_message_length           = -1;
+static int hf_message_version          = -1;
+static int hf_message_sender_id        = -1;
+static int hf_message_sender_id_group  = -1;
+static int hf_message_sender_id_object = -1;
+static int hf_message_sender_timestamp = -1;
+
+static guint64 componentstatusprotocol_total_msgs     = 0;
+static guint64 componentstatusprotocol_total_bytes    = 0;
+
+
+#define COMPONENTSTATUS_REPORT 0x01
+
+static const value_string message_type_values[] = {
+  { COMPONENTSTATUS_REPORT, "ComponentStatus Report" },
+  { 0, NULL }
+};
+
+
+static int hf_cspreport_report_interval = -1;
+static int hf_cspreport_location        = -1;
+static int hf_cspreport_status          = -1;
+static int hf_cspreport_workload        = -1;
+static int hf_cspreport_associations    = -1;
+
+#define CSPF_FINAL (1 << 0)
+static const true_false_string message_flags_final_bit = {
+  "Final message",
+  "Not final message"
+};
+
+#define CID_GROUP_UNKNOWN     0x0000
+#define CID_GROUP_REGISTRAR   0x0001
+#define CID_GROUP_POOLELEMENT 0x0002
+#define CID_GROUP_POOLUSER    0x0003
+#define CID_GROUP(id)  (((uint64_t) id >> 56) & (0xffffULL)
+#define CID_OBJECT(id) (((uint64_t) id & 0xffffffffffffffULL)
+static const value_string group_values[] = {
+  { CID_GROUP_UNKNOWN,     "Unknown" },
+  { CID_GROUP_REGISTRAR,   "Registrar" },
+  { CID_GROUP_POOLELEMENT, "Pool Element" },
+  { CID_GROUP_POOLUSER,    "Pool User" },
+  { 0, NULL }
+};
+
+#define CSR_GET_WORKLOAD(w) ((w == 0xffff) ? -1.0 : (float)(w / (float)0xfffe))
+
+static int hf_cspreport_association_receiver_id        = -1;
+static int hf_cspreport_association_receiver_id_group  = -1;
+static int hf_cspreport_association_receiver_id_object = -1;
+static int hf_cspreport_association_duration           = -1;
+static int hf_cspreport_association_flags              = -1;
+static int hf_cspreport_association_protocolid         = -1;
+static int hf_cspreport_association_ppid               = -1;
+
+
+/* Setup list of header fields */
+static hf_register_info hf[] = {
+  { &hf_message_type,                             { "Type",            "componentstatusprotocol.message_type",                         FT_UINT8,  BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL } },
+  { &hf_message_flags,                            { "Flags",           "componentstatusprotocol.message_flags",                        FT_UINT8,  BASE_DEC, NULL,                      0x0, NULL, HFILL } },
+  { &hf_message_flags_final_bit,                  { "F-Bit",           "componentstatusprotocol.message_final_bit",                    FT_BOOLEAN, 8, TFS(&message_flags_final_bit),   CSPF_FINAL, NULL, HFILL } },
+  { &hf_message_length,                           { "Length",          "componentstatusprotocol.message_length",                       FT_UINT16, BASE_DEC, NULL,                      0x0, NULL, HFILL } },
+  { &hf_message_version,                          { "Version",         "componentstatusprotocol.message_version",                      FT_UINT32, BASE_HEX, NULL,                      0x0, NULL, HFILL } },
+  { &hf_message_sender_id,                        { "SenderID",        "componentstatusprotocol.message_sender_id",                    FT_UINT64, BASE_HEX, NULL,                      0x0, NULL, HFILL } },
+  { &hf_message_sender_id_group,                  { "Group",           "componentstatusprotocol.message_sender_id.group",              FT_UINT16, BASE_HEX, VALS(group_values),        0x0, NULL, HFILL } },
+  { &hf_message_sender_id_object,                 { "Object",          "componentstatusprotocol.message_sender_id.object",             FT_UINT64, BASE_HEX, NULL,                      0x0, NULL, HFILL } },
+  { &hf_message_sender_timestamp,                 { "SenderTimeStamp", "componentstatusprotocol.message_sendertimestamp",              FT_RELATIVE_TIME, BASE_NONE, NULL,              0x0, NULL, HFILL } },
+
+  { &hf_cspreport_report_interval,                { "ReportInterval",  "componentstatusprotocol.componentstatusreport_reportinterval", FT_RELATIVE_TIME, BASE_NONE, NULL,              0x0, NULL, HFILL } },
+  { &hf_cspreport_location,                       { "Location",        "componentstatusprotocol.componentstatusreport_location",       FT_STRING, BASE_NONE, NULL,                     0x0, NULL, HFILL } },
+  { &hf_cspreport_status,                         { "Status",          "componentstatusprotocol.componentstatusreport_status",         FT_STRING, BASE_NONE, NULL,                     0x0, NULL, HFILL } },
+  { &hf_cspreport_workload,                       { "Workload",        "componentstatusprotocol.componentstatusreport_workload",       FT_FLOAT,  BASE_NONE, NULL,                     0x0, NULL, HFILL } },
+  { &hf_cspreport_associations,                   { "Associations",    "componentstatusprotocol.componentstatusreport_associations",   FT_UINT16, BASE_DEC, NULL,                      0x0, NULL, HFILL } },
+
+  { &hf_cspreport_association_receiver_id,        { "ReceiverID", "componentstatusprotocol.componentassociation_receiver_id",          FT_UINT64, BASE_HEX, NULL,                      0x0, NULL, HFILL } },
+  { &hf_cspreport_association_receiver_id_group,  { "Group",      "componentstatusprotocol.componentassociation_receiver_id.group",    FT_UINT16, BASE_HEX, VALS(group_values),        0x0, NULL, HFILL } },
+  { &hf_cspreport_association_receiver_id_object, { "Object",     "componentstatusprotocol.componentassociation_receiver_id.object",   FT_UINT64, BASE_HEX, NULL,                      0x0, NULL, HFILL } },
+  { &hf_cspreport_association_duration,           { "Duration",   "componentstatusprotocol.componentassociation_duration",             FT_RELATIVE_TIME, BASE_NONE, NULL,              0x0, NULL, HFILL } },
+  { &hf_cspreport_association_flags,              { "Flags",      "componentstatusprotocol.componentassociation_flags",                FT_UINT16, BASE_DEC, NULL,                      0x0, NULL, HFILL } },
+  { &hf_cspreport_association_protocolid,         { "ProtocolID", "componentstatusprotocol.componentassociation_protocolid",           FT_UINT16, BASE_DEC|BASE_EXT_STRING, &ipproto_val_ext,  0x0, NULL, HFILL } },
+  { &hf_cspreport_association_ppid,               { "PPID",       "componentstatusprotocol.componentassociation_ppid",                 FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sctpppid_val_ext, 0x0, NULL, HFILL } },
+};
+
+
+typedef struct _tap_componentstatusprotocol_rec_t {
+  guint8      type;
+  guint16     size;
+  const char* type_string;
+} tap_componentstatusprotocol_rec_t;
+
+
+static void
+dissect_componentstatusprotocol_cspreport_association(tvbuff_t *message_tvb, proto_tree *message_tree)
+{
+  proto_item* receiver_id_item;
+  proto_tree* receiver_id_tree;
+  guint64     timestamp;
+  nstime_t    t;
+
+  receiver_id_item = proto_tree_add_item(message_tree, hf_cspreport_association_receiver_id, message_tvb, 0, 8, ENC_BIG_ENDIAN);
+  receiver_id_tree = proto_item_add_subtree(receiver_id_item, ett_cspreport_association_receiver_id);
+  proto_tree_add_item(receiver_id_tree, hf_cspreport_association_receiver_id_group,  message_tvb, 0, 1, ENC_BIG_ENDIAN);
+  proto_tree_add_item(receiver_id_tree, hf_cspreport_association_receiver_id_object, message_tvb, 1, 7, ENC_BIG_ENDIAN);
+
+  timestamp = tvb_get_ntoh64(message_tvb, 8);
+  t.secs  = (time_t)(timestamp / 1000000);
+  t.nsecs = (int)((timestamp - 1000000 * t.secs) * 1000);
+  if(timestamp == 0xffffffffffffffffULL) {
+    proto_tree_add_time_format(message_tree, hf_cspreport_association_duration, message_tvb, 8, 8, &t, "Duration: unknown");
+  }
+  else {
+    proto_tree_add_time(message_tree, hf_cspreport_association_duration, message_tvb, 8, 8, &t);
+  }
+
+  proto_tree_add_item(message_tree, hf_cspreport_association_flags,      message_tvb, 16, 2, ENC_BIG_ENDIAN);
+  proto_tree_add_item(message_tree, hf_cspreport_association_protocolid, message_tvb, 18, 2, ENC_BIG_ENDIAN);
+  proto_tree_add_item(message_tree, hf_cspreport_association_ppid,       message_tvb, 20, 4, ENC_BIG_ENDIAN);
+}
+
+
+static void
+dissect_componentstatusprotocol_cspreport_message(tvbuff_t *message_tvb, proto_tree *message_tree)
+{
+  tvbuff_t   *association_tvb;
+  proto_tree *association_tree;
+  int         association;
+  gint        offset;
+  float       workload;
+  guint64     interval;
+  nstime_t    t;
+
+  interval = tvb_get_ntohl(message_tvb, 24);
+  t.secs  = (time_t)(interval / 1000000);
+  t.nsecs = (int)((interval - 1000000 * t.secs) * 1000);
+  proto_tree_add_time(message_tree, hf_cspreport_report_interval, message_tvb,  24,   4, &t);
+  proto_tree_add_item(message_tree, hf_cspreport_location,        message_tvb,  28, 128, ENC_UTF_8);
+  proto_tree_add_item(message_tree, hf_cspreport_status,          message_tvb, 156, 128, ENC_UTF_8);
+
+  workload = (float)(100.0 * CSR_GET_WORKLOAD(tvb_get_ntohs(message_tvb, 284)));
+  if(workload < 0.0) {   /* Special value 0xffff -> -1.0 means "no load provided"! */
+     proto_tree_add_float_format(message_tree, hf_cspreport_workload, message_tvb, 284, 2,
+                                workload, "Workload: N/A");
+  }
+  else {
+     proto_tree_add_float_format_value(message_tree, hf_cspreport_workload, message_tvb, 284, 2,
+                                       workload, "%1.2f%%", workload);
+  }
+  proto_tree_add_item(message_tree, hf_cspreport_associations, message_tvb, 286, 2, ENC_BIG_ENDIAN);
+
+  association = 1;
+  offset      = 288;
+  while(tvb_reported_length_remaining(message_tvb, offset) >= 24) {
+     association_tree = proto_tree_add_subtree_format(message_tree, message_tvb, offset, 24,
+         ett_association, NULL, "Association #%d", association++);
+     association_tvb  = tvb_new_subset_length_caplen(message_tvb, offset,
+                           MIN(24, tvb_reported_length_remaining(message_tvb, offset)),
+                           24);
+
+     dissect_componentstatusprotocol_cspreport_association(association_tvb, association_tree);
+     offset += 24;
+  }
+}
+
+
+static void
+dissect_componentstatusprotocol_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *componentstatusprotocol_tree)
+{
+  proto_item* flags_item;
+  proto_tree* flags_tree;
+  proto_item* sender_id_item;
+  proto_tree* sender_id_tree;
+  guint64     timestamp;
+  nstime_t    t;
+
+  tap_componentstatusprotocol_rec_t* tap_rec = wmem_new0(pinfo->pool, tap_componentstatusprotocol_rec_t);
+  tap_rec->type        = tvb_get_guint8(message_tvb, 0);
+  tap_rec->size        = tvb_get_ntohs(message_tvb, 2);
+  tap_rec->type_string = val_to_str_const(tap_rec->type, message_type_values, "Unknown ComponentStatusProtocol message type");
+  tap_queue_packet(tap_componentstatusprotocol, pinfo, tap_rec);
+
+  proto_tree_add_item(componentstatusprotocol_tree, hf_message_type, message_tvb, 0, 1, ENC_BIG_ENDIAN);
+  flags_item = proto_tree_add_item(componentstatusprotocol_tree, hf_message_flags, message_tvb, 1, 1, ENC_BIG_ENDIAN);
+  flags_tree = proto_item_add_subtree(flags_item, ett_message_flags);
+  proto_tree_add_item(flags_tree, hf_message_flags_final_bit, message_tvb, 1, 1, ENC_BIG_ENDIAN);
+  proto_tree_add_item(componentstatusprotocol_tree, hf_message_length, message_tvb, 2, 2, ENC_BIG_ENDIAN);
+
+  proto_tree_add_item(componentstatusprotocol_tree, hf_message_version, message_tvb, 4, 4, ENC_BIG_ENDIAN);
+  sender_id_item = proto_tree_add_item(componentstatusprotocol_tree, hf_message_sender_id, message_tvb, 8, 8, ENC_BIG_ENDIAN);
+  sender_id_tree = proto_item_add_subtree(sender_id_item, ett_message_sender_id);
+  proto_tree_add_item(sender_id_tree, hf_message_sender_id_group,  message_tvb, 8, 1, ENC_BIG_ENDIAN);
+  proto_tree_add_item(sender_id_tree, hf_message_sender_id_object, message_tvb, 9, 7, ENC_BIG_ENDIAN);
+
+  timestamp = tvb_get_ntoh64(message_tvb, 16);
+  t.secs  = (time_t)(timestamp / 1000000);
+  t.nsecs = (int)((timestamp - 1000000 * t.secs) * 1000);
+  proto_tree_add_time(componentstatusprotocol_tree, hf_message_sender_timestamp, message_tvb, 16, 8, &t);
+
+  switch (tap_rec->type) {
+    case COMPONENTSTATUS_REPORT:
+      dissect_componentstatusprotocol_cspreport_message(message_tvb, componentstatusprotocol_tree);
+     break;
+  }
+}
+
+
+static int
+dissect_componentstatusprotocol(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+  proto_item *componentstatusprotocol_item;
+  proto_tree *componentstatusprotocol_tree;
+  gint8 type;
+  gint32 version;
+
+  if (tvb_reported_length(message_tvb) < 4 + 4)
+    return(0);
+
+  /* Check, if this packet really contains a ComponentStatusProtocol message */
+  type = tvb_get_guint8(message_tvb, 0);
+  if (type != COMPONENTSTATUS_REPORT) {
+    return(0);
+  }
+  version = tvb_get_ntohl(message_tvb, 4);
+  if (version != COMPONENTSTATUSPROTOCOL_VERSION) {
+    return(0);
+  }
+
+  col_set_str(pinfo->cinfo, COL_PROTOCOL, "ComponentStatusProtocol");
+
+  /* create the componentstatusprotocol protocol tree */
+  componentstatusprotocol_item = proto_tree_add_item(tree, proto_componentstatusprotocol, message_tvb, 0, -1, ENC_NA);
+  componentstatusprotocol_tree = proto_item_add_subtree(componentstatusprotocol_item, ett_componentstatusprotocol);
+
+  /* dissect the message */
+  dissect_componentstatusprotocol_message(message_tvb, pinfo, componentstatusprotocol_tree);
+  return(tvb_reported_length(message_tvb));
+}
+
+
+/* TAP STAT INFO */
+typedef enum
+{
+  MESSAGE_TYPE_COLUMN = 0,
+  MESSAGES_COLUMN,
+  MESSAGES_SHARE_COLUMN,
+  BYTES_COLUMN,
+  BYTES_SHARE_COLUMN,
+  FIRST_SEEN_COLUMN,
+  LAST_SEEN_COLUMN,
+  INTERVAL_COLUMN,
+  MESSAGE_RATE_COLUMN,
+  BYTE_RATE_COLUMN
+} componentstatusprotocol_stat_columns;
+
+static stat_tap_table_item componentstatusprotocol_stat_fields[] = {
+  { TABLE_ITEM_STRING, TAP_ALIGN_LEFT,  "ComponentStatusProtocol Message Type", "%-25s" },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Messages ",            "%u"       },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Messages Share (%)"  , "%1.3f %%" },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Bytes (B)",            "%u"       },
+  { TABLE_ITEM_UINT,   TAP_ALIGN_RIGHT, "Bytes Share (%) ",     "%1.3f %%" },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "First Seen (s)",       "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Last Seen (s)",        "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Interval (s)",         "%1.6f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Message Rate (Msg/s)", "%1.2f"    },
+  { TABLE_ITEM_FLOAT,  TAP_ALIGN_LEFT,  "Byte Rate (B/s)",      "%1.2f"    }
+};
+
+static void componentstatusprotocol_stat_init(stat_tap_table_ui* new_stat)
+{
+  const char *table_name = "ComponentStatusProtocol Statistics";
+  int num_fields = sizeof(componentstatusprotocol_stat_fields)/sizeof(stat_tap_table_item);
+  stat_tap_table *table;
+  int i = 0;
+  stat_tap_table_item_type items[sizeof(componentstatusprotocol_stat_fields)/sizeof(stat_tap_table_item)];
+
+  table = stat_tap_find_table(new_stat, table_name);
+  if (table) {
+    if (new_stat->stat_tap_reset_table_cb) {
+      new_stat->stat_tap_reset_table_cb(table);
+    }
+    return;
+  }
+
+  table = stat_tap_init_table(table_name, num_fields, 0, NULL);
+  stat_tap_add_table(new_stat, table);
+
+  memset(items, 0x0, sizeof(items));
+  /* Add a row for each value type */
+  while (message_type_values[i].strptr) {
+    items[MESSAGE_TYPE_COLUMN].type                = TABLE_ITEM_STRING;
+    items[MESSAGE_TYPE_COLUMN].value.string_value  = message_type_values[i].strptr;
+    items[MESSAGES_COLUMN].type                    = TABLE_ITEM_UINT;
+    items[MESSAGES_COLUMN].value.uint_value        = 0;
+    items[MESSAGES_SHARE_COLUMN].type              = TABLE_ITEM_NONE;
+    items[MESSAGES_SHARE_COLUMN].value.float_value = -1.0;
+    items[BYTES_COLUMN].type                       = TABLE_ITEM_UINT;
+    items[BYTES_COLUMN].value.uint_value           = 0;
+    items[BYTES_SHARE_COLUMN].type                 = TABLE_ITEM_NONE;
+    items[BYTES_SHARE_COLUMN].value.float_value    = -1.0;
+    items[FIRST_SEEN_COLUMN].type                  = TABLE_ITEM_NONE;
+    items[FIRST_SEEN_COLUMN].value.float_value     = DBL_MAX;
+    items[LAST_SEEN_COLUMN].type                   = TABLE_ITEM_NONE;
+    items[LAST_SEEN_COLUMN].value.float_value      = DBL_MIN;
+    items[INTERVAL_COLUMN].type                    = TABLE_ITEM_NONE;
+    items[INTERVAL_COLUMN].value.float_value       = -1.0;
+    items[MESSAGE_RATE_COLUMN].type                = TABLE_ITEM_NONE;
+    items[MESSAGE_RATE_COLUMN].value.float_value   = -1.0;
+    items[BYTE_RATE_COLUMN].type                   = TABLE_ITEM_NONE;
+    items[BYTE_RATE_COLUMN].value.float_value      = -1.0;
+    stat_tap_init_table_row(table, i, num_fields, items);
+    i++;
+  }
+}
+
+static tap_packet_status
+componentstatusprotocol_stat_packet(void* tapdata, packet_info* pinfo _U_, epan_dissect_t* edt _U_, const void* data, tap_flags_t flags _U_)
+{
+  stat_data_t*              stat_data = (stat_data_t*)tapdata;
+  const tap_componentstatusprotocol_rec_t*      tap_rec   = (const tap_componentstatusprotocol_rec_t*)data;
+  stat_tap_table*           table;
+  stat_tap_table_item_type* msg_data;
+  gint                      idx;
+  guint64                   messages;
+  guint64                   bytes;
+  int                       i         = 0;
+  double                    firstSeen = -1.0;
+  double                    lastSeen  = -1.0;
+
+  idx = str_to_val_idx(tap_rec->type_string, message_type_values);
+  if (idx < 0)
+    return TAP_PACKET_DONT_REDRAW;
+
+  table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0);
+
+  /* Update packets counter */
+  componentstatusprotocol_total_msgs++;
+  msg_data = stat_tap_get_field_data(table, idx, MESSAGES_COLUMN);
+  msg_data->value.uint_value++;
+  messages = msg_data->value.uint_value;
+  stat_tap_set_field_data(table, idx, MESSAGES_COLUMN, msg_data);
+
+  /* Update bytes counter */
+  componentstatusprotocol_total_bytes += tap_rec->size;
+  msg_data = stat_tap_get_field_data(table, idx, BYTES_COLUMN);
+  msg_data->value.uint_value += tap_rec->size;
+  bytes = msg_data->value.uint_value;
+  stat_tap_set_field_data(table, idx, BYTES_COLUMN, msg_data);
+
+  /* Update messages and bytes share */
+  while (message_type_values[i].strptr) {
+    msg_data = stat_tap_get_field_data(table, i, MESSAGES_COLUMN);
+    const guint m = msg_data->value.uint_value;
+    msg_data = stat_tap_get_field_data(table, i, BYTES_COLUMN);
+    const guint b = msg_data->value.uint_value;
+
+    msg_data = stat_tap_get_field_data(table, i, MESSAGES_SHARE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = 100.0 * m / (double)componentstatusprotocol_total_msgs;
+    stat_tap_set_field_data(table, i, MESSAGES_SHARE_COLUMN, msg_data);
+
+    msg_data = stat_tap_get_field_data(table, i, BYTES_SHARE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = 100.0 * b / (double)componentstatusprotocol_total_bytes;
+    stat_tap_set_field_data(table, i, BYTES_SHARE_COLUMN, msg_data);
+    i++;
+  }
+
+  /* Update first seen time */
+  if (pinfo->presence_flags & PINFO_HAS_TS) {
+    msg_data = stat_tap_get_field_data(table, idx, FIRST_SEEN_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = MIN(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+    firstSeen = msg_data->value.float_value;
+    stat_tap_set_field_data(table, idx, FIRST_SEEN_COLUMN, msg_data);
+  }
+
+  /* Update last seen time */
+  if (pinfo->presence_flags & PINFO_HAS_TS) {
+    msg_data = stat_tap_get_field_data(table, idx, LAST_SEEN_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = MAX(msg_data->value.float_value, nstime_to_sec(&pinfo->rel_ts));
+    lastSeen = msg_data->value.float_value;
+    stat_tap_set_field_data(table, idx, LAST_SEEN_COLUMN, msg_data);
+  }
+
+  if ((lastSeen - firstSeen) > 0.0) {
+    /* Update interval */
+    msg_data = stat_tap_get_field_data(table, idx, INTERVAL_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = lastSeen - firstSeen;
+    stat_tap_set_field_data(table, idx, INTERVAL_COLUMN, msg_data);
+
+    /* Update message rate */
+    msg_data = stat_tap_get_field_data(table, idx, MESSAGE_RATE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = messages / (lastSeen - firstSeen);
+    stat_tap_set_field_data(table, idx, MESSAGE_RATE_COLUMN, msg_data);
+
+    /* Update byte rate */
+    msg_data = stat_tap_get_field_data(table, idx, BYTE_RATE_COLUMN);
+    msg_data->type = TABLE_ITEM_FLOAT;
+    msg_data->value.float_value = bytes / (lastSeen - firstSeen);
+    stat_tap_set_field_data(table, idx, BYTE_RATE_COLUMN, msg_data);
+  }
+
+  return TAP_PACKET_REDRAW;
+}
+
+static void
+componentstatusprotocol_stat_reset(stat_tap_table* table)
+{
+  guint element;
+  stat_tap_table_item_type* item_data;
+
+  for (element = 0; element < table->num_elements; element++) {
+    item_data = stat_tap_get_field_data(table, element, MESSAGES_COLUMN);
+    item_data->value.uint_value = 0;
+    stat_tap_set_field_data(table, element, MESSAGES_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, MESSAGES_SHARE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, MESSAGES_SHARE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTES_COLUMN);
+    item_data->value.uint_value = 0;
+    stat_tap_set_field_data(table, element, BYTES_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTES_SHARE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, BYTES_SHARE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, FIRST_SEEN_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = DBL_MAX;
+    stat_tap_set_field_data(table, element, FIRST_SEEN_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, LAST_SEEN_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = DBL_MIN;
+    stat_tap_set_field_data(table, element, LAST_SEEN_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, INTERVAL_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, INTERVAL_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, MESSAGE_RATE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, MESSAGE_RATE_COLUMN, item_data);
+
+    item_data = stat_tap_get_field_data(table, element, BYTE_RATE_COLUMN);
+    item_data->type = TABLE_ITEM_NONE;
+    item_data->value.float_value = -1.0;
+    stat_tap_set_field_data(table, element, BYTE_RATE_COLUMN, item_data);
+  }
+  componentstatusprotocol_total_msgs  = 0;
+  componentstatusprotocol_total_bytes = 0;
+}
+
+
+/* Register the protocol with Wireshark */
+void
+proto_register_componentstatusprotocol(void)
+{
+  /* Setup protocol subtree array */
+  static gint *ett[] = {
+    &ett_componentstatusprotocol,
+    &ett_message_flags,
+    &ett_message_sender_id,
+    &ett_cspreport_association_receiver_id,
+    &ett_association
+  };
+
+  static tap_param componentstatusprotocol_stat_params[] = {
+    { PARAM_FILTER, "filter", "Filter", NULL, TRUE }
+  };
+
+  static stat_tap_table_ui componentstatusprotocol_stat_table = {
+    REGISTER_STAT_GROUP_RSERPOOL,
+    "ComponentStatusProtocol Statistics",
+    "componentstatusprotocol",
+    "componentstatusprotocol,stat",
+    componentstatusprotocol_stat_init,
+    componentstatusprotocol_stat_packet,
+    componentstatusprotocol_stat_reset,
+    NULL,
+    NULL,
+    sizeof(componentstatusprotocol_stat_fields)/sizeof(stat_tap_table_item), componentstatusprotocol_stat_fields,
+    sizeof(componentstatusprotocol_stat_params)/sizeof(tap_param), componentstatusprotocol_stat_params,
+    NULL,
+    0
+  };
+
+  /* Register the protocol name and description */
+  proto_componentstatusprotocol = proto_register_protocol("Component Status Protocol", "ComponentStatusProtocol", "componentstatusprotocol");
+
+  /* Required function calls to register the header fields and subtrees used */
+  proto_register_field_array(proto_componentstatusprotocol, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+  tap_componentstatusprotocol = register_tap("componentstatusprotocol");
+
+  /* Register the dissector */
+  componentstatusprotocol_handle = register_dissector("componentstatusprotocol", dissect_componentstatusprotocol, proto_componentstatusprotocol);
+
+  register_stat_tap_table_ui(&componentstatusprotocol_stat_table);
+}
+
+void
+proto_reg_handoff_componentstatusprotocol(void)
+{
+  dissector_add_uint_with_preference("udp.port", COMPONENTSTATUSPROTOCOL_PORT, componentstatusprotocol_handle);
+}
+
+/*
+ * Editor modelines
+ *
+ * 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:
+ */