*
* Copyright 2008, Jens Steinhauser <jens.steinhauser@omicron.at>
*
- * $Id$
- *
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
#include "config.h"
-#include <glib.h>
-#include <epan/conversation.h>
-#include <epan/crc16-tvb.h>
-#include <epan/dissectors/packet-tcp.h>
+#include <math.h>
+
#include <epan/packet.h>
-#include <epan/prefs.h>
+#include <epan/crc16-tvb.h>
+#include <epan/expert.h>
+#include <epan/proto_data.h>
+#include "packet-tcp.h"
-#include <math.h>
+#include <wsutil/utf8_entities.h>
#define PROTOCOL_NAME "IEEE C37.118 Synchrophasor Protocol"
#define PROTOCOL_SHORT_NAME "SYNCHROPHASOR"
#define PROTOCOL_ABBREV "synphasor"
/* forward references */
+void proto_register_synphasor(void);
void proto_reg_handoff_synphasor(void);
/* global variables */
-static int proto_synphasor = -1;
-static GSList *config_frame_list = NULL;
+static int proto_synphasor = -1;
/* user preferences */
-static guint global_pref_tcp_port = 4712;
-static guint global_pref_udp_port = 4713;
+#define SYNPHASOR_TCP_PORT 4712 /* Not IANA registered */
+#define SYNPHASOR_UDP_PORT 4713 /* Not IANA registered */
/* the ett... variables hold the state (open/close) of the treeview in the GUI */
static gint ett_synphasor = -1; /* root element for this protocol */
static gint ett_data_digital = -1;
/* used for command frames */
static gint ett_command = -1;
+ static gint ett_status_word_mask = -1;
/* handles to the header fields hf[] in proto_register_synphasor() */
static int hf_sync = -1;
static int hf_data_statb03to00 = -1;
static int hf_command = -1;
+/* Generated from convert_proto_tree_add_text.pl */
+static int hf_synphasor_data = -1;
+static int hf_synphasor_checksum = -1;
+static int hf_synphasor_checksum_status = -1;
+static int hf_synphasor_num_phasors = -1;
+static int hf_synphasor_num_analog_values = -1;
+static int hf_synphasor_num_digital_status_words = -1;
+static int hf_synphasor_rate_of_transmission = -1;
+static int hf_synphasor_phasor = -1;
+static int hf_synphasor_actual_frequency_value = -1;
+static int hf_synphasor_rate_change_frequency = -1;
+static int hf_synphasor_frequency_deviation_from_nominal = -1;
+static int hf_synphasor_analog_value = -1;
+static int hf_synphasor_digital_status_word = -1;
+static int hf_synphasor_conversion_factor = -1;
+static int hf_synphasor_factor_for_analog_value = -1;
+static int hf_synphasor_channel_name = -1;
+static int hf_synphasor_extended_frame_data = -1;
+static int hf_synphasor_unknown_data = -1;
+static int hf_synphasor_status_word_mask_normal_state = -1;
+static int hf_synphasor_status_word_mask_valid_bits = -1;
+
+static expert_field ei_synphasor_extended_frame_data = EI_INIT;
+static expert_field ei_synphasor_checksum = EI_INIT;
+
+static dissector_handle_t synphasor_udp_handle;
+
/* the five different frame types for this protocol */
enum FrameType {
DATA = 0,
/* holds information required to dissect a single PMU block in a data frame */
typedef struct {
- guint16 id; /* identifies source of block */
- char name[CHNAM_LEN + 1]; /* holds STN */
- data_format format_fr; /* data format of FREQ and DFREQ */
- data_format format_ph; /* data format of PHASORS */
- data_format format_an; /* data format of ANALOG */
- phasor_notation_e phasor_notation; /* format of the phasors */
- guint fnom; /* nominal line frequency */
- guint num_dg; /* number of digital status words */
- GArray *phasors; /* array of phasor_infos */
- GArray *analogs; /* array of analog_infos */
+ guint16 id; /* identifies source of block */
+ char name[CHNAM_LEN + 1]; /* holds STN */
+ data_format format_fr; /* data format of FREQ and DFREQ */
+ data_format format_ph; /* data format of PHASORS */
+ data_format format_an; /* data format of ANALOG */
+ phasor_notation_e phasor_notation; /* format of the phasors */
+ guint fnom; /* nominal line frequency */
+ guint num_dg; /* number of digital status words */
+ wmem_array_t *phasors; /* array of phasor_infos */
+ wmem_array_t *analogs; /* array of analog_infos */
} config_block;
/* holds the id the configuration comes from an and
guint32 fnum; /* frame number */
guint16 id;
- GArray *config_blocks; /* Contains a config_block struct for
+ wmem_array_t *config_blocks; /* Contains a config_block struct for
* every PMU included in the config frame */
} config_frame;
*
* use 'config_frame_free()' to free the config_frame again
*/
-static config_frame* config_frame_fast(tvbuff_t *tvb)
+static config_frame *config_frame_fast(tvbuff_t *tvb)
{
guint16 idcode, num_pmu;
gint offset;
config_frame *frame;
/* get a new frame and initialize it */
- frame = g_slice_new(config_frame);
+ frame = wmem_new(wmem_file_scope(), config_frame);
- frame->config_blocks = g_array_new(FALSE, TRUE, sizeof(config_block));
+ frame->config_blocks = wmem_array_new(wmem_file_scope(), sizeof(config_block));
idcode = tvb_get_ntohs(tvb, 4);
frame->id = idcode;
config_block block;
/* initialize the block */
- block.phasors = g_array_new(FALSE, TRUE, sizeof(phasor_info));
- block.analogs = g_array_new(FALSE, TRUE, sizeof(analog_info));
+ block.phasors = wmem_array_new(wmem_file_scope(), sizeof(phasor_info));
+ block.analogs = wmem_array_new(wmem_file_scope(), sizeof(analog_info));
/* copy the station name from the tvb to block, and add NULL byte */
tvb_memcpy(tvb, block.name, offset, CHNAM_LEN); offset += CHNAM_LEN;
block.name[CHNAM_LEN] = '\0';
pi.unit = conv & 0xFF000000 ? A : V;
pi.conv = conv & 0x00FFFFFF;
- g_array_append_val(block.phasors, pi);
+ wmem_array_append_one(block.phasors, pi);
}
/* read num_an analog value names and conversation factors */
conv = tvb_get_ntohl(tvb, anunit + 4 * i);
ai.conv = conv;
- g_array_append_val(block.analogs, ai);
+ wmem_array_append_one(block.analogs, ai);
}
/* the names for the bits in the digital status words aren't saved,
/* skip CFGCNT */
offset += 2;
- g_array_append_val(frame->config_blocks, block);
+ wmem_array_append_one(frame->config_blocks, block);
num_pmu--;
}
return frame;
}
-/* Frees the memory pointed to by 'frame' and all the contained
- * config_blocks and the data in their GArrays.
- */
-static void config_frame_free(config_frame *frame)
-{
- int i = frame->config_blocks->len;
-
- /* free all the config_blocks this frame contains */
- while (i--) {
- config_block *block;
-
- block = &g_array_index(frame->config_blocks, config_block, i);
- g_array_free(block->phasors, TRUE);
- g_array_free(block->analogs, TRUE);
- }
-
- /* free the array of config blocks itself */
- g_array_free(frame->config_blocks, TRUE);
-
- /* and the config_frame */
- g_slice_free1(sizeof(config_frame), frame);
-}
-
-/* called every time the user loads a capture file or starts to capture */
-static void synphasor_init(void)
-{
- /* free stuff in the list from a previous run */
- if (config_frame_list) {
- g_slist_foreach(config_frame_list, (GFunc) config_frame_free, NULL);
-
- g_slist_free(config_frame_list);
-
- config_frame_list = NULL;
- }
-
-}
-
-/* the main dissection routine */
-static void dissect_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
-
-/* called for synchrophasors over UDP */
-static void dissect_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- dissect_common(tvb, pinfo, tree);
-}
-
-/* callback for 'tcp_dissect_pdus()' to give it the length of the frame */
-static guint get_pdu_length(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
-{
- return tvb_get_ntohs(tvb, offset + 2);
-}
-
-static void dissect_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
-{
- tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_pdu_length, dissect_common);
-}
-
/* Checks the CRC of a synchrophasor frame, 'tvb' has to include the whole
* frame, including CRC, the calculated CRC is returned in '*computedcrc'.
*/
/* Dissects the header (common to all types of frames) and then calls
* one of the subdissectors (declared above) for the rest of the frame.
*/
-static void dissect_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
+static int dissect_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
guint8 frame_type;
guint16 crc;
- guint tvbsize = tvb_length(tvb);
+ guint tvbsize = tvb_reported_length(tvb);
/* some heuristics */
if (tvbsize < 17 /* 17 bytes = header frame with only a
NULL character, useless but valid */
|| tvb_get_guint8(tvb, 0) != 0xAA) /* every synchrophasor frame starts with 0xAA */
- return;
+ return 0;
/* write the protocol name to the info column */
- if (check_col(pinfo->cinfo, COL_PROTOCOL))
- col_set_str(pinfo->cinfo, COL_PROTOCOL, PROTOCOL_SHORT_NAME);
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, PROTOCOL_SHORT_NAME);
frame_type = tvb_get_guint8(tvb, 1) >> 4;
- if (check_col(pinfo->cinfo, COL_INFO)) {
- col_clear(pinfo->cinfo, COL_INFO); /* clear out stuff in the info column */
- col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str_const(frame_type, typenames, "invalid packet type"));
- }
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s", val_to_str_const(frame_type, typenames, "invalid packet type"));
/* CFG-2 and DATA frames need special treatment during the first run:
* For CFG-2 frames, a 'config_frame' struct is created to hold the
/* fill the config_frame */
config_frame *frame = config_frame_fast(tvb);
- frame->fnum = pinfo->fd->num;
- /* so we can cleanup later */
- config_frame_list = g_slist_append(config_frame_list, frame);
+ frame->fnum = pinfo->num;
- /* find a conversation, create a new if no one exists */
+ /* find a conversation, create a new one if none exists */
conversation = find_or_create_conversation(pinfo);
/* remove data from a previous CFG-2 frame, only
conversation_add_proto_data(conversation, proto_synphasor, frame);
}
else if (DATA == frame_type) {
- conversation_t *conversation = find_conversation(pinfo->fd->num,
+ conversation_t *conversation = find_conversation(pinfo->num,
&pinfo->src, &pinfo->dst,
pinfo->ptype,
pinfo->srcport, pinfo->destport,
if (conversation) {
config_frame *conf = (config_frame *)conversation_get_proto_data(conversation, proto_synphasor);
/* no problem if 'conf' is NULL, the DATA frame dissector checks this again */
- p_add_proto_data(pinfo->fd, proto_synphasor, conf);
+ p_add_proto_data(wmem_file_scope(), pinfo, proto_synphasor, 0, conf);
}
}
} /* if (!visited) */
- if (tree) { /* we are being asked for details */
- proto_tree *synphasor_tree = NULL;
- proto_item *temp_item = NULL;
- proto_item *sub_item = NULL;
+ {
+ proto_tree *synphasor_tree;
+ proto_item *temp_item;
+ proto_item *sub_item;
- gint offset;
- guint16 framesize;
- tvbuff_t *sub_tvb;
+ gint offset;
+ guint16 framesize;
+ tvbuff_t *sub_tvb;
+ gboolean crc_good;
temp_item = proto_tree_add_item(tree, proto_synphasor, tvb, 0, -1, ENC_NA);
proto_item_append_text(temp_item, ", %s", val_to_str_const(frame_type, typenames,
offset = 14; /* header is 14 bytes long */
/* check CRC, call appropriate subdissector for the rest of the frame if CRC is correct*/
- sub_item = proto_tree_add_text(synphasor_tree, tvb, offset , tvbsize - 16, "Data" );
- temp_item = proto_tree_add_text(synphasor_tree, tvb, tvbsize - 2, 2 , "Checksum:");
- if (!check_crc(tvb, &crc)) {
+ sub_item = proto_tree_add_item(synphasor_tree, hf_synphasor_data, tvb, offset, tvbsize - 16, ENC_NA);
+ crc_good = check_crc(tvb, &crc);
+ proto_tree_add_checksum(synphasor_tree, tvb, tvbsize - 2, hf_synphasor_checksum, hf_synphasor_checksum_status, &ei_synphasor_checksum,
+ pinfo, crc16_x25_ccitt_tvb(tvb, tvb_get_ntohs(tvb, 2) - 2), ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY);
+ if (!crc_good) {
proto_item_append_text(sub_item, ", not dissected because of wrong checksum");
- proto_item_append_text(temp_item, " 0x%04x [incorrect]", crc);
}
else {
/* create a new tvb to pass to the subdissector
default:
proto_item_append_text(sub_item, " of unknown type");
}
- proto_item_append_text(temp_item, " 0x%04x [correct]", crc);
+ proto_item_append_text(temp_item, " [correct]");
}
/*offset += 2;*/ /* CRC */
- } /* if (tree) */
+ }
+
+ return tvb_reported_length(tvb);
} /* dissect_synphasor() */
+/* called for synchrophasors over UDP */
+static int dissect_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ return dissect_common(tvb, pinfo, tree, data);
+}
+
+/* callback for 'tcp_dissect_pdus()' to give it the length of the frame */
+static guint get_pdu_length(packet_info *pinfo _U_, tvbuff_t *tvb,
+ int offset, void *data _U_)
+{
+ return tvb_get_ntohs(tvb, offset + 2);
+}
+
+static int dissect_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ tcp_dissect_pdus(tvb, pinfo, tree, TRUE, 4, get_pdu_length, dissect_common, data);
+
+ return tvb_reported_length(tvb);
+}
+
+
/* Dissects the common header of frames.
*
* Returns the framesize, in contrast to most
/* SYNC and flags */
temp_item = proto_tree_add_item(tree, hf_sync, tvb, offset, 2, ENC_BIG_ENDIAN);
temp_tree = proto_item_add_subtree(temp_item, ett_frtype);
- proto_tree_add_item(temp_tree, hf_sync_frtype, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_sync_version, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_sync_frtype, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_sync_version, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* FRAMESIZE */
offset += 2;
/* SOC */
- {
- /* can't use 'proto_tree_add_time()' because we need UTC */
- char buf[20];
- struct tm* t;
- time_t soc = tvb_get_ntohl(tvb, offset);
- t = gmtime(&soc);
- strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", t);
- proto_tree_add_string(tree, hf_soc, tvb, offset, 4, buf);
- offset += 4;
- }
+ proto_tree_add_item(tree, hf_soc, tvb, offset, 4, ENC_TIME_TIMESPEC | ENC_BIG_ENDIAN);
+ offset += 4;
/* FRACSEC */
/* time quality flags */
- temp_item = proto_tree_add_text(tree, tvb, offset, 1, "Time quality flags");
- temp_tree = proto_item_add_subtree(temp_item, ett_timequal);
- proto_tree_add_item(temp_tree, hf_timeqal_lsdir, tvb, offset, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_timeqal_lsocc, tvb, offset, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_timeqal_lspend, tvb, offset, 1, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_timeqal_timequalindic, tvb, offset, 1, ENC_BIG_ENDIAN);
+ temp_tree = proto_tree_add_subtree(tree, tvb, offset, 1, ett_timequal, NULL, "Time quality flags");
+ proto_tree_add_item(temp_tree, hf_timeqal_lsdir, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_timeqal_lsocc, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_timeqal_lspend, tvb, offset, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_timeqal_timequalindic, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_fracsec, tvb, offset, 3, ENC_BIG_ENDIAN);
/* dissects a configuration frame (type 1 and 2) and adds fields to 'config_item' */
static int dissect_config_frame(tvbuff_t *tvb, proto_item *config_item)
{
- proto_tree *config_tree = NULL;
- proto_item *temp_item = NULL;
- proto_tree *temp_tree = NULL;
- gint offset = 0, j;
- guint16 num_pmu;
+ proto_tree *config_tree;
+ gint offset = 0, j;
+ guint16 num_pmu;
proto_item_set_text (config_item, "Configuration data");
config_tree = proto_item_add_subtree(config_item, ett_conf);
/* dissect the repeating PMU blocks */
for (j = 0; j < num_pmu; j++) {
- guint16 num_ph, num_an, num_dg;
- proto_item *station_item = NULL;
- proto_tree *station_tree = NULL;
- char *str;
+ guint16 num_ph, num_an, num_dg;
+ proto_item *station_item;
+ proto_tree *station_tree;
+ proto_tree *temp_tree;
+ char *str;
gint oldoffset = offset; /* to calculate the length of the whole PMU block later */
/* STN with new tree to add the rest of the PMU block */
- str = tvb_get_ephemeral_string(tvb, offset, CHNAM_LEN);
- station_item = proto_tree_add_text(config_tree, tvb, offset, CHNAM_LEN, "Station #%i: \"%s\"", j + 1, str);
- station_tree = proto_item_add_subtree(station_item, ett_conf_station);
+ str = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, CHNAM_LEN, ENC_ASCII);
+ station_tree = proto_tree_add_subtree_format(config_tree, tvb, offset, CHNAM_LEN,
+ ett_conf_station, &station_item,
+ "Station #%i: \"%s\"", j + 1, str);
offset += CHNAM_LEN;
/* IDCODE */
proto_tree_add_item(station_tree, hf_idcode, tvb, offset, 2, ENC_BIG_ENDIAN); offset += 2;
/* FORMAT */
- temp_item = proto_tree_add_text(station_tree, tvb, offset, 2, "Data format in data frame");
- temp_tree = proto_item_add_subtree(temp_item, ett_conf_format);
- proto_tree_add_item(temp_tree, hf_conf_formatb3, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_conf_formatb2, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_conf_formatb1, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_conf_formatb0, tvb, offset, 2, ENC_BIG_ENDIAN);
+ temp_tree = proto_tree_add_subtree(station_tree, tvb, offset, 2, ett_conf_format, NULL,
+ "Data format in data frame");
+ proto_tree_add_item(temp_tree, hf_conf_formatb3, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_conf_formatb2, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_conf_formatb1, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_conf_formatb0, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* PHNMR, ANNMR, DGNMR */
num_ph = tvb_get_ntohs(tvb, offset );
num_an = tvb_get_ntohs(tvb, offset + 2);
num_dg = tvb_get_ntohs(tvb, offset + 4);
- proto_tree_add_text(station_tree, tvb, offset , 2, "Number of phasors: %u", num_ph);
- proto_tree_add_text(station_tree, tvb, offset + 2, 2, "Number of analog values: %u", num_an);
- proto_tree_add_text(station_tree, tvb, offset + 4, 2, "Number of digital status words: %u", num_dg);
+ proto_tree_add_uint(station_tree, hf_synphasor_num_phasors, tvb, offset, 2, num_ph);
+ proto_tree_add_uint(station_tree, hf_synphasor_num_analog_values, tvb, offset + 2, 2, num_an);
+ proto_tree_add_uint(station_tree, hf_synphasor_num_digital_status_words, tvb, offset + 4, 2, num_dg);
offset += 6;
/* CHNAM, the channel names */
/* DATA_RATE */
{
gint16 tmp = tvb_get_ntohs(tvb, offset);
- temp_item = proto_tree_add_text(config_tree, tvb, offset, 2, "Rate of transmission: "); offset += 2;
if (tmp > 0)
- proto_item_append_text(temp_item, "%"G_GINT16_FORMAT" frame(s) per second", tmp);
+ proto_tree_add_int_format_value(config_tree, hf_synphasor_rate_of_transmission, tvb, offset, 2, tmp,
+ "%d frame(s) per second", tmp);
else
- proto_item_append_text(temp_item, "1 frame per %"G_GINT16_FORMAT" second(s)", (gint16)-tmp);
+ proto_tree_add_int_format_value(config_tree, hf_synphasor_rate_of_transmission, tvb, offset, 2, tmp,
+ "1 frame per %d second(s)", (gint16)-tmp);
+ offset += 2;
}
return offset;
static gint dissect_DFREQ (tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset);
static gint dissect_ANALOG (tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset);
static gint dissect_DIGITAL(tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset);
+
/* calculates the size (in bytes) of a data frame that the config_block describes */
-#define BLOCKSIZE(x) (2 /* STAT */ \
- + (x).phasors->len * (integer == (x).format_ph ? 4 : 8) /* PHASORS */ \
- + (integer == (x).format_fr ? 4 : 8) /* (D)FREQ */ \
- + (x).analogs->len * (integer == (x).format_an ? 2 : 4) /* ANALOG */ \
+#define SYNP_BLOCKSIZE(x) (2 /* STAT */ \
+ + wmem_array_get_count((x).phasors) * (integer == (x).format_ph ? 4 : 8) /* PHASORS */ \
+ + (integer == (x).format_fr ? 4 : 8) /* (D)FREQ */ \
+ + wmem_array_get_count((x).analogs) * (integer == (x).format_an ? 2 : 4) /* ANALOG */ \
+ (x).num_dg * 2) /* DIGITAL */
/* Dissects a data frame */
proto_item *data_item, /* all items are placed beneath this item */
packet_info *pinfo) /* used to find the data from a CFG-2 frame */
{
- proto_tree *data_tree = NULL;
+ proto_tree *data_tree;
gint offset = 0;
guint i;
config_frame *conf;
/* search for configuration information to dissect the frame */
{
gboolean config_found = FALSE;
- conf = (config_frame *)p_get_proto_data(pinfo->fd, proto_synphasor);
+ conf = (config_frame *)p_get_proto_data(wmem_file_scope(), pinfo, proto_synphasor, 0);
if (conf) {
/* check if the size of the current frame is the
size of the frame the config_frame describes */
size_t reported_size = 0;
- for (i = 0; i < conf->config_blocks->len; i++) {
- config_block *block = &g_array_index(conf->config_blocks, config_block, i);
- reported_size += BLOCKSIZE(*block);
+ for (i = 0; i < wmem_array_get_count(conf->config_blocks); i++) {
+ config_block *block = (config_block*)wmem_array_index(conf->config_blocks, i);
+ reported_size += SYNP_BLOCKSIZE(*block);
}
- if (tvb_length(tvb) == reported_size) {
+ if (tvb_reported_length(tvb) == reported_size) {
proto_item_append_text(data_item, ", using frame number %"G_GUINT32_FORMAT" as configuration frame",
conf->fnum);
config_found = TRUE;
}
/* dissect a PMU block for every config_block in the frame */
- for (i = 0; i < conf->config_blocks->len; i++) {
- config_block *block = &g_array_index(conf->config_blocks, config_block, i);
+ for (i = 0; i < wmem_array_get_count(conf->config_blocks); i++) {
+ config_block *block = (config_block*)wmem_array_index(conf->config_blocks, i);
- proto_item *block_item = proto_tree_add_text(data_tree, tvb, offset, BLOCKSIZE(*block),
- "Station: \"%s\"", block->name);
- proto_tree *block_tree = proto_item_add_subtree(block_item, ett_data_block);
+ proto_tree *block_tree = proto_tree_add_subtree_format(data_tree, tvb, offset, SYNP_BLOCKSIZE(*block),
+ ett_data_block, NULL,
+ "Station: \"%s\"", block->name);
/* STAT */
- proto_item *temp_item = proto_tree_add_text(block_tree, tvb, offset, 2, "Flags");
- proto_tree *temp_tree = proto_item_add_subtree(temp_item, ett_data_stat);
- proto_tree_add_item(temp_tree, hf_data_statb15, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb14, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb13, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb12, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb11, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb10, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb05to04, tvb, offset, 2, ENC_BIG_ENDIAN);
- proto_tree_add_item(temp_tree, hf_data_statb03to00, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree *temp_tree = proto_tree_add_subtree(block_tree, tvb, offset, 2, ett_data_stat, NULL, "Flags");
+
+ proto_tree_add_item(temp_tree, hf_data_statb15, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb14, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb13, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb12, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb11, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb10, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb05to04, tvb, offset, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(temp_tree, hf_data_statb03to00, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
/* PHASORS, (D)FREQ, ANALOG, and DIGITAL */
- offset = dissect_PHASORS(tvb, block_item, block, offset);
- offset = dissect_DFREQ (tvb, block_item, block, offset);
- offset = dissect_ANALOG (tvb, block_item, block, offset);
- offset = dissect_DIGITAL(tvb, block_item, block, offset);
+ offset = dissect_PHASORS(tvb, block_tree, block, offset);
+ offset = dissect_DFREQ (tvb, block_tree, block, offset);
+ offset = dissect_ANALOG (tvb, block_tree, block, offset);
+ offset = dissect_DIGITAL(tvb, block_tree, block, offset);
}
return offset;
} /* dissect_data_frame() */
proto_item *command_item,
packet_info *pinfo)
{
- proto_tree *command_tree = NULL;
- guint tvbsize = tvb_length(tvb);
+ proto_tree *command_tree;
+ guint tvbsize = tvb_reported_length(tvb);
+ const char *s;
proto_item_set_text(command_item, "Command data");
command_tree = proto_item_add_subtree(command_item, ett_command);
/* CMD */
proto_tree_add_item(command_tree, hf_command, tvb, 0, 2, ENC_BIG_ENDIAN);
- if (check_col(pinfo->cinfo, COL_INFO)) {
- const char *s = val_to_str_const(tvb_get_ntohs(tvb, 0), command_names, "invalid command");
- col_append_str(pinfo->cinfo, COL_INFO, ", ");
- col_append_str(pinfo->cinfo, COL_INFO, s);
- }
+
+ s = val_to_str_const(tvb_get_ntohs(tvb, 0), command_names, "invalid command");
+ col_append_str(pinfo->cinfo, COL_INFO, ", ");
+ col_append_str(pinfo->cinfo, COL_INFO, s);
if (tvbsize > 2) {
if (tvb_get_ntohs(tvb, 0) == 0x0008) {
/* Command: Extended Frame, the extra data is ok */
- proto_item* i = proto_tree_add_text(command_tree, tvb, 2, tvbsize - 2, "Extended frame data");
- if (tvbsize % 2)
- proto_item_append_text(i, ", but size not multiple of 16-bit word");
+ proto_item *ti = proto_tree_add_item(command_tree, hf_synphasor_extended_frame_data, tvb, 2, tvbsize - 2, ENC_NA);
+ if (tvbsize % 2)
+ expert_add_info(pinfo, ti, &ei_synphasor_extended_frame_data);
}
else
- proto_tree_add_text(command_tree, tvb, 2, tvbsize - 2, "Unknown data");
+ proto_tree_add_item(command_tree, hf_synphasor_unknown_data, tvb, 2, tvbsize - 2, ENC_NA);
}
return tvbsize;
/* Dissects a single phasor for 'dissect_PHASORS()' */
static int dissect_single_phasor(tvbuff_t *tvb, int offset,
- double* mag, double* phase, /* returns the resulting values here */
+ double *mag, double *phase, /* returns the resulting values here */
data_format format, /* information needed to... */
- phasor_notation_e notation) /* ...dissect the phasor */
+ phasor_notation_e notation) /* ...dissect the phasor */
{
if (floating_point == format) {
if (polar == notation) {
/* used by 'dissect_data_frame()' to dissect the PHASORS field */
static gint dissect_PHASORS(tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset)
{
- proto_item *temp_item = NULL;
- proto_tree *phasor_tree = NULL;
+ proto_tree *phasor_tree;
guint length;
- gint j,
- cnt = block->phasors->len; /* number of phasors to dissect */
+ gint j;
+ gint cnt = wmem_array_get_count(block->phasors); /* number of phasors to dissect */
if (0 == cnt)
return offset;
- length = block->phasors->len * (floating_point == block->format_ph ? 8 : 4);
- temp_item = proto_tree_add_text(tree, tvb, offset, length, "Phasors (%u)", cnt);
- phasor_tree = proto_item_add_subtree(temp_item, ett_data_phasors);
+ length = wmem_array_get_count(block->phasors) * (floating_point == block->format_ph ? 8 : 4);
+ phasor_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, ett_data_phasors, NULL,
+ "Phasors (%u)", cnt);
/* dissect a phasor for every phasor_info saved in the config_block */
for (j = 0; j < cnt; j++) {
+ proto_item *temp_item;
double mag, phase;
phasor_info *pi;
- pi = &g_array_index(block->phasors, phasor_info, j);
- temp_item = proto_tree_add_text(phasor_tree, tvb, offset,
- floating_point == block->format_ph ? 8 : 4,
+ pi = (phasor_info *)wmem_array_index(block->phasors, j);
+ temp_item = proto_tree_add_string_format(phasor_tree, hf_synphasor_phasor, tvb, offset,
+ floating_point == block->format_ph ? 8 : 4, pi->name,
"Phasor #%u: \"%s\"", j + 1, pi->name);
offset += dissect_single_phasor(tvb, offset,
if (integer == block->format_ph)
mag = (mag * pi->conv) * 0.00001;
- #define ANGLE "/_"
- #define DEGREE "\xC2\xB0" /* DEGREE signs in UTF-8 */
+ #define SYNP_ANGLE "/_"
- proto_item_append_text(temp_item, ", %10.2f%c" ANGLE "%7.2f" DEGREE,
+ proto_item_append_text(temp_item, ", %10.2f%c" SYNP_ANGLE "%7.2f" UTF8_DEGREE_SIGN,
mag,
V == pi->unit ? 'V' : 'A',
phase *180.0/G_PI);
- #undef ANGLE
- #undef DEGREE
+ #undef SYNP_ANGLE
}
return offset;
}
static gint dissect_DFREQ(tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset)
{
if (floating_point == block->format_fr) {
- gfloat tmp;
-
- tmp = tvb_get_ntohieee_float(tvb, offset);
- proto_tree_add_text(tree, tvb, offset, 4, "Actual frequency value: %fHz", tmp); offset += 4;
+ proto_tree_add_item(tree, hf_synphasor_actual_frequency_value, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
/* The standard doesn't clearly say how to interpret this value, but
* http://www.pes-psrc.org/h/C37_118_H11_FAQ_Jan2008.pdf provides further information.
* --> no scaling factor is applied to DFREQ
*/
- tmp = tvb_get_ntohieee_float(tvb, offset);
- proto_tree_add_text(tree, tvb, offset, 4, "Rate of change of frequency: %fHz/s", tmp); offset += 4;
+ proto_tree_add_item(tree, hf_synphasor_rate_change_frequency, tvb, offset, 4, ENC_BIG_ENDIAN);
+ offset += 4;
}
else {
gint16 tmp;
tmp = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(tree, tvb, offset, 2,
- "Frequency deviation from nominal: %" G_GINT16_FORMAT "mHz (actual frequency: %.3fHz)",
- tmp, block->fnom + (tmp / 1000.0));
+ proto_tree_add_int_format_value(tree, hf_synphasor_frequency_deviation_from_nominal, tvb, offset, 2, tmp,
+ "%dmHz (actual frequency: %.3fHz)", tmp, block->fnom + (tmp / 1000.0));
offset += 2;
tmp = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(tree, tvb, offset, 2, "Rate of change of frequency: %.3fHz/s", tmp / 100.0); offset += 2;
+ proto_tree_add_float_format_value(tree, hf_synphasor_rate_change_frequency, tvb, offset, 2, (gfloat)(tmp / 100.0), "%.3fHz/s", tmp / 100.0); offset += 2;
}
return offset;
}
/* used by 'dissect_data_frame()' to dissect the ANALOG field */
static gint dissect_ANALOG(tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset)
{
- proto_tree *analog_tree = NULL;
- proto_item *temp_item = NULL;
+ proto_tree *analog_tree;
guint length;
- gint j,
- cnt = block->analogs->len; /* number of analog values to dissect */
+ gint j;
+ gint cnt = wmem_array_get_count(block->analogs); /* number of analog values to dissect */
if (0 == cnt)
return offset;
- length = block->analogs->len * (floating_point == block->format_an ? 4 : 2);
- temp_item = proto_tree_add_text(tree, tvb, offset, length, "Analog values (%u)", cnt);
-
- analog_tree = proto_item_add_subtree(temp_item, ett_data_analog);
+ length = wmem_array_get_count(block->analogs) * (floating_point == block->format_an ? 4 : 2);
+ analog_tree = proto_tree_add_subtree_format(tree, tvb, offset, length, ett_data_analog, NULL,
+ "Analog values (%u)", cnt);
for (j = 0; j < cnt; j++) {
- analog_info *ai = &g_array_index(block->analogs, analog_info, j);
+ proto_item *temp_item;
+ analog_info *ai = (analog_info *)wmem_array_index(block->analogs, j);
- temp_item = proto_tree_add_text(analog_tree, tvb, offset,
- floating_point == block->format_an ? 4 : 2,
+ temp_item = proto_tree_add_string_format(analog_tree, hf_synphasor_analog_value, tvb, offset,
+ floating_point == block->format_an ? 4 : 2, ai->name,
"Analog value #%u: \"%s\"", j + 1, ai->name);
if (floating_point == block->format_an) {
}
else {
/* the "standard" doesn't say if this is signed or unsigned,
- * so I just use gint16, the scaling of the conversation factor
+ * so I just use gint16; the scaling of the conversation factor
* is also "user defined", so I just write it after the analog value */
gint16 tmp = tvb_get_ntohs(tvb, offset); offset += 2;
proto_item_append_text(temp_item, ", %" G_GINT16_FORMAT " (conversation factor: %#06x)",
/* used by 'dissect_data_frame()' to dissect the DIGITAL field */
static gint dissect_DIGITAL(tvbuff_t *tvb, proto_tree *tree, config_block *block, gint offset)
{
- proto_item *digital_item = NULL;
- gint j,
- cnt = block->num_dg; /* number of digital status words to dissect */
+ gint j;
+ gint cnt = block->num_dg; /* number of digital status words to dissect */
if (0 == cnt)
return offset;
- digital_item = proto_tree_add_text(tree, tvb, offset, cnt * 2, "Digital status words (%u)", cnt);
- tree = proto_item_add_subtree(digital_item, ett_data_digital);
+ tree = proto_tree_add_subtree_format(tree, tvb, offset, cnt * 2, ett_data_digital, NULL,
+ "Digital status words (%u)", cnt);
for (j = 0; j < cnt; j++) {
guint16 tmp = tvb_get_ntohs(tvb, offset);
- proto_tree_add_text(tree, tvb, offset, 2, "Digital status word #%u: 0x%04x", j + 1, tmp);
+ proto_tree_add_uint_format(tree, hf_synphasor_digital_status_word, tvb, offset, 2, tmp, "Digital status word #%u: 0x%04x", j + 1, tmp);
offset += 2;
}
return offset;
/* used by 'dissect_config_frame()' to dissect the PHUNIT field */
static gint dissect_PHUNIT(tvbuff_t *tvb, proto_tree *tree, gint offset, gint cnt)
{
- proto_item *temp_item = NULL;
- proto_tree *temp_tree = NULL;
+ proto_tree *temp_tree;
int i;
if (0 == cnt)
return offset;
- temp_item = proto_tree_add_text(tree, tvb, offset, 4 * cnt, "Phasor conversation factors (%u)", cnt);
- temp_tree = proto_item_add_subtree(temp_item, ett_conf_phconv);
+ temp_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 * cnt, ett_conf_phconv, NULL,
+ "Phasor conversation factors (%u)", cnt);
/* Conversion factor for phasor channels. Four bytes for each phasor.
* MSB: 0 = voltage, 1 = current
*/
for (i = 0; i < cnt; i++) {
guint32 tmp = tvb_get_ntohl(tvb, offset);
- proto_tree_add_text(temp_tree, tvb, offset, 4,
- "#%u factor: %u * 10^-5, unit: %s",
+ proto_tree_add_uint_format(temp_tree, hf_synphasor_conversion_factor, tvb, offset, 4,
+ tmp, "#%u factor: %u * 10^-5, unit: %s",
i + 1,
tmp & 0x00FFFFFF,
tmp & 0xFF000000 ? "Ampere" : "Volt");
/* used by 'dissect_config_frame()' to dissect the ANUNIT field */
static gint dissect_ANUNIT(tvbuff_t *tvb, proto_tree *tree, gint offset, gint cnt)
{
- proto_item *temp_item = NULL;
- proto_tree *temp_tree = NULL;
+ proto_item *temp_item;
+ proto_tree *temp_tree;
int i;
if (0 == cnt)
return offset;
- temp_item = proto_tree_add_text(tree, tvb, offset, 4 * cnt, "Analog values conversation factors (%u)", cnt);
- temp_tree = proto_item_add_subtree(temp_item, ett_conf_anconv);
+ temp_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 * cnt, ett_conf_anconv, NULL,
+ "Analog values conversation factors (%u)", cnt);
/* Conversation factor for analog channels. Four bytes for each analog value.
* MSB: see 'synphasor_conf_anconvnames' in 'synphasor_strings.c'
*/
for (i = 0; i < cnt; i++) {
gint32 tmp = tvb_get_ntohl(tvb, offset);
- temp_item = proto_tree_add_text(temp_tree, tvb, offset, 4,
- "Factor for analog value #%i: %s",
+ temp_item = proto_tree_add_uint_format(temp_tree, hf_synphasor_factor_for_analog_value, tvb, offset, 4,
+ tmp, "Factor for analog value #%i: %s",
i + 1,
- match_strrval((tmp >> 24) & 0x000000FF, conf_anconvnames));
+ try_rval_to_str((tmp >> 24) & 0x000000FF, conf_anconvnames));
- tmp &= 0x00FFFFFF;
+ tmp &= 0x00FFFFFF;
if ( tmp & 0x00800000) /* sign bit set */
tmp |= 0xFF000000;
/* used by 'dissect_config_frame()' to dissect the DIGUNIT field */
static gint dissect_DIGUNIT(tvbuff_t *tvb, proto_tree *tree, gint offset, gint cnt)
{
- proto_item *temp_item = NULL;
- proto_tree *temp_tree = NULL;
+ proto_tree *temp_tree, *mask_tree;
int i;
if (0 == cnt)
return offset;
- temp_item = proto_tree_add_text(tree, tvb, offset, 4 * cnt, "Masks for digital status words (%u)", cnt);
- temp_tree = proto_item_add_subtree(temp_item, ett_conf_dgmask);
+ temp_tree = proto_tree_add_subtree_format(tree, tvb, offset, 4 * cnt, ett_conf_dgmask, NULL,
+ "Masks for digital status words (%u)", cnt);
/* Mask words for digital status words. Two 16-bit words for each digital word. The first
- * inidcates the normal status of the inputs, the second indicated the valid bits in
+ * indicates the normal status of the inputs, the second indicated the valid bits in
* the status word
*/
for (i = 0; i < cnt; i++) {
- guint32 tmp = tvb_get_ntohl(tvb, offset);
- temp_item = proto_tree_add_text(temp_tree, tvb, offset, 4, "Mask for status word #%u: ", i + 1);
- proto_item_append_text(temp_item, "normal state: 0x%04"G_GINT16_MODIFIER"x", (guint16)((tmp & 0xFFFF0000) >> 16));
- proto_item_append_text(temp_item, ", valid bits: 0x%04"G_GINT16_MODIFIER"x", (guint16)( tmp & 0x0000FFFF));
+ mask_tree = proto_tree_add_subtree_format(temp_tree, tvb, offset, 4, ett_status_word_mask, NULL, "Mask for status word #%u: ", i + 1);
+ proto_tree_add_item(mask_tree, hf_synphasor_status_word_mask_normal_state, tvb, offset, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(mask_tree, hf_synphasor_status_word_mask_valid_bits, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
/* used by 'dissect_config_frame()' to dissect the "channel name"-fields */
static gint dissect_CHNAM(tvbuff_t *tvb, proto_tree *tree, gint offset, gint cnt, const char *prefix)
{
- proto_item *temp_item = NULL;
- proto_tree *temp_tree = NULL;
+ proto_tree *temp_tree;
int i;
if (0 == cnt)
return offset;
- temp_item = proto_tree_add_text(tree, tvb, offset, CHNAM_LEN * cnt, "%ss (%u)", prefix, cnt);
- temp_tree = proto_item_add_subtree(temp_item, ett_conf_phnam);
+ temp_tree = proto_tree_add_subtree_format(tree, tvb, offset, CHNAM_LEN * cnt, ett_conf_phnam, NULL,
+ "%ss (%u)", prefix, cnt);
/* dissect the 'cnt' channel names */
for (i = 0; i < cnt; i++) {
char *str;
- str = tvb_get_ephemeral_string(tvb, offset, CHNAM_LEN);
- proto_tree_add_text(temp_tree, tvb, offset, CHNAM_LEN,
- "%s #%i: \"%s\"", prefix, i+1, str);
+ str = tvb_get_string_enc(wmem_packet_scope(), tvb, offset, CHNAM_LEN, ENC_ASCII);
+ proto_tree_add_string_format(temp_tree, hf_synphasor_channel_name, tvb, offset, CHNAM_LEN,
+ str, "%s #%i: \"%s\"", prefix, i+1, str);
offset += CHNAM_LEN;
}
static hf_register_info hf[] = {
/* Sync word */
{ &hf_sync,
- { "Synchronization word", PROTOCOL_ABBREV ".sync", FT_UINT16, BASE_HEX,
+ { "Synchronization word", "synphasor.sync", FT_UINT16, BASE_HEX,
NULL, 0x0, NULL, HFILL }},
- /* Flags in the Sync word */
+
+ /* Flags in the Sync word */
{ &hf_sync_frtype,
- { "Frame Type", PROTOCOL_ABBREV ".frtype", FT_UINT16, BASE_HEX,
+ { "Frame Type", "synphasor.frtype", FT_UINT16, BASE_HEX,
VALS(typenames), 0x0070, NULL, HFILL }},
{ &hf_sync_version,
- { "Version", PROTOCOL_ABBREV ".version", FT_UINT16, BASE_DEC,
+ { "Version", "synphasor.version", FT_UINT16, BASE_DEC,
VALS(versionnames), 0x000F, NULL, HFILL }},
{ &hf_frsize,
- { "Framesize", PROTOCOL_ABBREV ".frsize", FT_UINT16, BASE_DEC,
+ { "Framesize", "synphasor.frsize", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_idcode,
- { "PMU/DC ID number", PROTOCOL_ABBREV ".idcode", FT_UINT16, BASE_DEC,
+ { "PMU/DC ID number", "synphasor.idcode", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_soc,
- { "SOC time stamp (UTC)", PROTOCOL_ABBREV ".soc", FT_STRINGZ, BASE_NONE,
+ { "SOC time stamp", "synphasor.soc", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_UTC,
NULL, 0x0, NULL, HFILL }},
/* Time quality flags in fracsec */
{ &hf_timeqal_lsdir,
- { "Leap second direction", PROTOCOL_ABBREV ".timeqal.lsdir", FT_BOOLEAN, 8,
+ { "Leap second direction", "synphasor.timeqal.lsdir", FT_BOOLEAN, 8,
NULL, 0x40, NULL, HFILL }},
{ &hf_timeqal_lsocc,
- { "Leap second occurred", PROTOCOL_ABBREV ".timeqal.lsocc", FT_BOOLEAN, 8,
+ { "Leap second occurred", "synphasor.timeqal.lsocc", FT_BOOLEAN, 8,
NULL, 0x20, NULL, HFILL }},
{ &hf_timeqal_lspend,
- { "Leap second pending", PROTOCOL_ABBREV ".timeqal.lspend", FT_BOOLEAN, 8,
+ { "Leap second pending", "synphasor.timeqal.lspend", FT_BOOLEAN, 8,
NULL, 0x10, NULL, HFILL }},
{ &hf_timeqal_timequalindic,
- { "Time Quality indicator code", PROTOCOL_ABBREV ".timeqal.timequalindic", FT_UINT8, BASE_HEX,
+ { "Time Quality indicator code", "synphasor.timeqal.timequalindic", FT_UINT8, BASE_HEX,
VALS(timequalcodes), 0x0F, NULL, HFILL }},
/* Fraction of second */
{ &hf_fracsec,
- { "Fraction of second (raw)", PROTOCOL_ABBREV ".fracsec", FT_UINT24, BASE_DEC,
+ { "Fraction of second (raw)", "synphasor.fracsec", FT_UINT24, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
/* Data types for configuration frames */
{ &hf_conf_timebase,
- { "Resolution of fractional second time stamp", PROTOCOL_ABBREV ".conf.timebase", FT_UINT24, BASE_DEC,
+ { "Resolution of fractional second time stamp", "synphasor.conf.timebase", FT_UINT24, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
{ &hf_conf_numpmu,
- { "Number of PMU blocks included in the frame", PROTOCOL_ABBREV ".conf.numpmu", FT_UINT16, BASE_DEC,
+ { "Number of PMU blocks included in the frame", "synphasor.conf.numpmu", FT_UINT16, BASE_DEC,
NULL, 0x0, NULL, HFILL }},
/* Bits in the FORMAT word */
{ &hf_conf_formatb3,
- { "FREQ/DFREQ format", PROTOCOL_ABBREV ".conf.dfreq_format", FT_BOOLEAN, 16,
+ { "FREQ/DFREQ format", "synphasor.conf.dfreq_format", FT_BOOLEAN, 16,
TFS(&conf_formatb123names), 0x8, NULL, HFILL }},
{ &hf_conf_formatb2,
- { "Analog values format", PROTOCOL_ABBREV ".conf.analog_format", FT_BOOLEAN, 16,
+ { "Analog values format", "synphasor.conf.analog_format", FT_BOOLEAN, 16,
TFS(&conf_formatb123names), 0x4, NULL, HFILL }},
{ &hf_conf_formatb1,
- { "Phasor format", PROTOCOL_ABBREV ".conf.phasor_format", FT_BOOLEAN, 16,
+ { "Phasor format", "synphasor.conf.phasor_format", FT_BOOLEAN, 16,
TFS(&conf_formatb123names), 0x2, NULL, HFILL }},
{ &hf_conf_formatb0,
- { "Phasor notation", PROTOCOL_ABBREV ".conf.phasor_notation", FT_BOOLEAN, 16,
+ { "Phasor notation", "synphasor.conf.phasor_notation", FT_BOOLEAN, 16,
TFS(&conf_formatb0names), 0x1, NULL, HFILL }},
{ &hf_conf_fnom,
- { "Nominal line freqency", PROTOCOL_ABBREV ".conf.fnom", FT_BOOLEAN, 16,
+ { "Nominal line frequency", "synphasor.conf.fnom", FT_BOOLEAN, 16,
TFS(&conf_fnomnames), 0x0001, NULL, HFILL }},
{ &hf_conf_cfgcnt,
- { "Configuration change count", PROTOCOL_ABBREV ".conf.cfgcnt", FT_UINT16, BASE_DEC,
+ { "Configuration change count", "synphasor.conf.cfgcnt", FT_UINT16, BASE_DEC,
NULL, 0, NULL, HFILL }},
/* Data types for data frames */
/* Flags in the STAT word */
{ &hf_data_statb15,
- { "Data valid", PROTOCOL_ABBREV ".data.valid", FT_BOOLEAN, 16,
+ { "Data valid", "synphasor.data.valid", FT_BOOLEAN, 16,
TFS(&data_statb15names), 0x8000, NULL, HFILL }},
{ &hf_data_statb14,
- { "PMU error", PROTOCOL_ABBREV ".data.PMUerror", FT_BOOLEAN, 16,
+ { "PMU error", "synphasor.data.PMUerror", FT_BOOLEAN, 16,
TFS(&data_statb14names), 0x4000, NULL, HFILL }},
{ &hf_data_statb13,
- { "Time synchronized", PROTOCOL_ABBREV ".data.sync", FT_BOOLEAN, 16,
+ { "Time synchronized", "synphasor.data.sync", FT_BOOLEAN, 16,
TFS(&data_statb13names), 0x2000, NULL, HFILL }},
{ &hf_data_statb12,
- { "Data sorting", PROTOCOL_ABBREV ".data.sorting", FT_BOOLEAN, 16,
+ { "Data sorting", "synphasor.data.sorting", FT_BOOLEAN, 16,
TFS(&data_statb12names), 0x1000, NULL, HFILL }},
{ &hf_data_statb11,
- { "Trigger detected", PROTOCOL_ABBREV ".data.trigger", FT_BOOLEAN, 16,
+ { "Trigger detected", "synphasor.data.trigger", FT_BOOLEAN, 16,
TFS(&data_statb11names), 0x0800, NULL, HFILL }},
{ &hf_data_statb10,
- { "Configuration changed", PROTOCOL_ABBREV ".data.CFGchange", FT_BOOLEAN, 16,
+ { "Configuration changed", "synphasor.data.CFGchange", FT_BOOLEAN, 16,
TFS(&data_statb10names), 0x0400, NULL, HFILL }},
{ &hf_data_statb05to04,
- { "Unlocked time", PROTOCOL_ABBREV ".data.t_unlock", FT_UINT16, BASE_HEX,
+ { "Unlocked time", "synphasor.data.t_unlock", FT_UINT16, BASE_HEX,
VALS(data_statb05to04names), 0x0030, NULL, HFILL }},
{ &hf_data_statb03to00,
- { "Trigger reason", PROTOCOL_ABBREV ".data.trigger_reason", FT_UINT16, BASE_HEX,
+ { "Trigger reason", "synphasor.data.trigger_reason", FT_UINT16, BASE_HEX,
VALS(data_statb03to00names), 0x000F, NULL, HFILL }},
/* Data type for command frame */
{ &hf_command,
- { "Command", PROTOCOL_ABBREV ".command", FT_UINT16, BASE_HEX,
- VALS(command_names), 0x000F, NULL, HFILL }}
+ { "Command", "synphasor.command", FT_UINT16, BASE_HEX,
+ VALS(command_names), 0x000F, NULL, HFILL }},
+
+ /* Generated from convert_proto_tree_add_text.pl */
+ { &hf_synphasor_data, { "Data", "synphasor.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_checksum, { "Checksum", "synphasor.checksum", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_checksum_status, { "Checksum Status", "synphasor.checksum.status", FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0, NULL, HFILL }},
+ { &hf_synphasor_num_phasors, { "Number of phasors", "synphasor.num_phasors", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_num_analog_values, { "Number of analog values", "synphasor.num_analog_values", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_num_digital_status_words, { "Number of digital status words", "synphasor.num_digital_status_words", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_rate_of_transmission, { "Rate of transmission", "synphasor.rate_of_transmission", FT_INT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_phasor, { "Phasor", "synphasor.phasor", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_actual_frequency_value, { "Actual frequency value", "synphasor.actual_frequency_value", FT_FLOAT, BASE_NONE|BASE_UNIT_STRING, &units_hz, 0x0, NULL, HFILL }},
+ { &hf_synphasor_rate_change_frequency, { "Rate of change of frequency", "synphasor.rate_change_frequency", FT_FLOAT, BASE_NONE|BASE_UNIT_STRING, &units_hz_s, 0x0, NULL, HFILL }},
+ { &hf_synphasor_frequency_deviation_from_nominal, { "Frequency deviation from nominal", "synphasor.frequency_deviation_from_nominal", FT_INT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_analog_value, { "Analog value", "synphasor.analog_value", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_digital_status_word, { "Digital status word", "synphasor.digital_status_word", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_conversion_factor, { "conversion factor", "synphasor.conversion_factor", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_factor_for_analog_value, { "Factor for analog value", "synphasor.factor_for_analog_value", FT_UINT32, BASE_DEC, NULL, 0x000000FF, NULL, HFILL }},
+ { &hf_synphasor_channel_name, { "Channel name", "synphasor.channel_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_extended_frame_data, { "Extended frame data", "synphasor.extended_frame_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_unknown_data, { "Unknown data", "synphasor.data.unknown", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_synphasor_status_word_mask_normal_state, { "Normal state", "synphasor.status_word_mask.normal_state", FT_UINT32, BASE_HEX, NULL, 0xFFFF0000, NULL, HFILL }},
+ { &hf_synphasor_status_word_mask_valid_bits, { "Valid bits", "synphasor.status_word_mask.valid_bits", FT_UINT32, BASE_HEX, NULL, 0x0000FFFF, NULL, HFILL }},
};
/* protocol subtree array */
&ett_data_phasors,
&ett_data_analog,
&ett_data_digital,
- &ett_command
+ &ett_command,
+ &ett_status_word_mask
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_synphasor_extended_frame_data, { "synphasor.extended_frame_data.unaligned", PI_PROTOCOL, PI_WARN, "Size not multiple of 16-bit word", EXPFILL }},
+ { &ei_synphasor_checksum, { "synphasor.bad_checksum", PI_CHECKSUM, PI_ERROR, "Bad checksum", EXPFILL }},
};
- module_t *synphasor_module;
+ expert_module_t* expert_synphasor;
/* register protocol */
proto_synphasor = proto_register_protocol(PROTOCOL_NAME,
PROTOCOL_SHORT_NAME,
PROTOCOL_ABBREV);
+ /* Registering protocol to be called by another dissector */
+ synphasor_udp_handle = register_dissector("synphasor", dissect_udp, proto_synphasor);
+
proto_register_field_array(proto_synphasor, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
+ expert_synphasor = expert_register_protocol(proto_synphasor);
+ expert_register_field_array(expert_synphasor, ei, array_length(ei));
- /* register preferences */
- synphasor_module = prefs_register_protocol(proto_synphasor, proto_reg_handoff_synphasor);
-
- /* the port numbers of the lower level protocols */
- prefs_register_uint_preference(synphasor_module, "udp_port", "Synchrophasor UDP port",
- "Set the port number for synchrophasor frames over UDP" \
- "(if other than the default of 4713)",
- 10, &global_pref_udp_port);
- prefs_register_uint_preference(synphasor_module, "tcp_port", "Synchrophasor TCP port",
- "Set the port number for synchrophasor frames over TCP" \
- "(if other than the default of 4712)",
- 10, &global_pref_tcp_port);
-
- /* register the initalization routine */
- register_init_routine(&synphasor_init);
} /* proto_register_synphasor() */
/* called at startup and when the preferences change */
void proto_reg_handoff_synphasor(void)
{
- static gboolean initialized = FALSE;
- static dissector_handle_t synphasor_udp_handle;
- static dissector_handle_t synphasor_tcp_handle;
- static guint current_udp_port;
- static guint current_tcp_port;
-
- if (!initialized) {
- synphasor_udp_handle = create_dissector_handle(dissect_udp, proto_synphasor);
- synphasor_tcp_handle = create_dissector_handle(dissect_tcp, proto_synphasor);
-
- initialized = TRUE;
- }
- else {
- /* update preferences */
- dissector_delete_uint("udp.port", current_udp_port, synphasor_udp_handle);
- dissector_delete_uint("tcp.port", current_tcp_port, synphasor_tcp_handle);
- }
+ dissector_handle_t synphasor_tcp_handle;
- current_udp_port = global_pref_udp_port;
- current_tcp_port = global_pref_tcp_port;
+ synphasor_tcp_handle = create_dissector_handle(dissect_tcp, proto_synphasor);
+ dissector_add_for_decode_as("rtacser.data", synphasor_udp_handle);
+ dissector_add_uint_with_preference("udp.port", SYNPHASOR_UDP_PORT, synphasor_udp_handle);
+ dissector_add_uint_with_preference("tcp.port", SYNPHASOR_TCP_PORT, synphasor_tcp_handle);
- dissector_add_uint("udp.port", current_udp_port, synphasor_udp_handle);
- dissector_add_uint("tcp.port", current_tcp_port, synphasor_tcp_handle);
} /* proto_reg_handoff_synphasor() */
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ *
+ * vi: set shiftwidth=8 tabstop=8 noexpandtab:
+ * :indentSize=8:tabSize=8:noTabs=false:
+ */