forked from osmocom/wireshark
Don't show time stamp-based information if we don't have it (now that we
know whether packets - or "packets" - have time stamps). Show the time stamp order as "Unknown" if we don't have enough information to determine whether it's certainly in order or out of order (XXX - we should do that if we have only one packet that has a time stamp). svn path=/trunk/; revision=41186
This commit is contained in:
parent
b6ff142f60
commit
08d7ff268b
141
capinfos.c
141
capinfos.c
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@ -148,7 +148,7 @@ static gboolean cap_data_rate_byte = TRUE; /* Report data rate bytes/sec */
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static gboolean cap_data_rate_bit = TRUE; /* Report data rate bites/sec */
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static gboolean cap_data_rate_bit = TRUE; /* Report data rate bites/sec */
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static gboolean cap_packet_size = TRUE; /* Report average packet size */
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static gboolean cap_packet_size = TRUE; /* Report average packet size */
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static gboolean cap_packet_rate = TRUE; /* Report average packet rate */
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static gboolean cap_packet_rate = TRUE; /* Report average packet rate */
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static gboolean cap_in_order = TRUE; /* Report if packets are in chronological order (True/False) */
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static gboolean cap_order = TRUE; /* Report if packets are in chronological order (True/False) */
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#ifdef HAVE_LIBGCRYPT
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#ifdef HAVE_LIBGCRYPT
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static gboolean cap_file_hashes = TRUE; /* Calculate file hashes */
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static gboolean cap_file_hashes = TRUE; /* Calculate file hashes */
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@ -172,6 +172,22 @@ static gchar file_md5[HASH_STR_SIZE];
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#define FILE_HASH_OPT ""
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#define FILE_HASH_OPT ""
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#endif /* HAVE_LIBGCRYPT */
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#endif /* HAVE_LIBGCRYPT */
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/*
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* If we have at least two packets with time stamps, and they're not in
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* order - i.e., the later packet has a time stamp older than the earlier
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* packet - the time stamps are known not to be in order.
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*
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* If every packet has a time stamp, and they're all in order, the time
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* stamp is known to be in order.
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*
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* Otherwise, we have no idea.
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*/
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typedef enum {
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IN_ORDER,
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NOT_IN_ORDER,
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ORDER_UNKNOWN
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} order_t;
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typedef struct _capture_info {
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typedef struct _capture_info {
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const char *filename;
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const char *filename;
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guint16 file_type;
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guint16 file_type;
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@ -179,6 +195,7 @@ typedef struct _capture_info {
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gint64 filesize;
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gint64 filesize;
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guint64 packet_bytes;
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guint64 packet_bytes;
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gboolean times_known;
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double start_time;
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double start_time;
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double stop_time;
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double stop_time;
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guint32 packet_count;
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guint32 packet_count;
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@ -193,7 +210,8 @@ typedef struct _capture_info {
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double packet_rate;
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double packet_rate;
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double packet_size;
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double packet_size;
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double data_rate; /* in bytes */
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double data_rate; /* in bytes */
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gboolean in_order;
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gboolean know_order;
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order_t order;
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int *encap_counts; /* array of per_packet encap counts; array has one entry per wtap_encap type */
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int *encap_counts; /* array of per_packet encap counts; array has one entry per wtap_encap type */
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} capture_info;
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} capture_info;
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@ -213,7 +231,7 @@ enable_all_infos(void)
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cap_duration = TRUE;
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cap_duration = TRUE;
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cap_start_time = TRUE;
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cap_start_time = TRUE;
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cap_end_time = TRUE;
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cap_end_time = TRUE;
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cap_in_order = TRUE;
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cap_order = TRUE;
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cap_data_rate_byte = TRUE;
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cap_data_rate_byte = TRUE;
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cap_data_rate_bit = TRUE;
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cap_data_rate_bit = TRUE;
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@ -240,7 +258,7 @@ disable_all_infos(void)
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cap_duration = FALSE;
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cap_duration = FALSE;
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cap_start_time = FALSE;
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cap_start_time = FALSE;
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cap_end_time = FALSE;
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cap_end_time = FALSE;
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cap_in_order = FALSE;
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cap_order = FALSE;
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cap_data_rate_byte = FALSE;
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cap_data_rate_byte = FALSE;
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cap_data_rate_bit = FALSE;
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cap_data_rate_bit = FALSE;
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@ -252,6 +270,25 @@ disable_all_infos(void)
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#endif /* HAVE_LIBGCRYPT */
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#endif /* HAVE_LIBGCRYPT */
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}
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}
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static const gchar *
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order_string(order_t order)
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{
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switch (order) {
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case IN_ORDER:
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return "True";
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case NOT_IN_ORDER:
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return "False";
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case ORDER_UNKNOWN:
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return "Unknown";
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default:
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return "???"; /* "cannot happen" (the next step is "Profit!") */
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}
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}
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static gchar *
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static gchar *
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time_string(time_t timer, capture_info *cf_info, gboolean want_lf)
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time_string(time_t timer, capture_info *cf_info, gboolean want_lf)
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{
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{
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@ -259,7 +296,7 @@ time_string(time_t timer, capture_info *cf_info, gboolean want_lf)
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static gchar time_string_buf[20];
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static gchar time_string_buf[20];
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char *time_string_ctime;
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char *time_string_ctime;
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if (cf_info->packet_count > 0) {
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if (cf_info->times_known && cf_info->packet_count > 0) {
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if (time_as_secs) {
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if (time_as_secs) {
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/* XXX - Would it be useful to show sub-second precision? */
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/* XXX - Would it be useful to show sub-second precision? */
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g_snprintf(time_string_buf, 20, "%lu%s", (unsigned long)timer, lf);
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g_snprintf(time_string_buf, 20, "%lu%s", (unsigned long)timer, lf);
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@ -344,13 +381,23 @@ print_stats(const gchar *filename, capture_info *cf_info)
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if (cap_packet_count) printf ("Number of packets: %u\n", cf_info->packet_count);
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if (cap_packet_count) printf ("Number of packets: %u\n", cf_info->packet_count);
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if (cap_file_size) printf ("File size: %" G_GINT64_MODIFIER "d bytes\n", cf_info->filesize);
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if (cap_file_size) printf ("File size: %" G_GINT64_MODIFIER "d bytes\n", cf_info->filesize);
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if (cap_data_size) printf ("Data size: %" G_GINT64_MODIFIER "u bytes\n", cf_info->packet_bytes);
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if (cap_data_size) printf ("Data size: %" G_GINT64_MODIFIER "u bytes\n", cf_info->packet_bytes);
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if (cap_duration) print_value("Capture duration: ", 0, " seconds", cf_info->duration);
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if (cf_info->times_known) {
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if (cap_start_time) printf ("Start time: %s", time_string(start_time_t, cf_info, TRUE));
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if (cap_duration)
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if (cap_end_time) printf ("End time: %s", time_string(stop_time_t, cf_info, TRUE));
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print_value("Capture duration: ", 0, " seconds", cf_info->duration);
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if (cap_data_rate_byte) print_value("Data byte rate: ", 2, " bytes/sec", cf_info->data_rate);
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if (cap_start_time)
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if (cap_data_rate_bit) print_value("Data bit rate: ", 2, " bits/sec", cf_info->data_rate*8);
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printf ("Start time: %s", time_string(start_time_t, cf_info, TRUE));
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if (cap_end_time)
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printf ("End time: %s", time_string(stop_time_t, cf_info, TRUE));
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if (cap_data_rate_byte)
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print_value("Data byte rate: ", 2, " bytes/sec", cf_info->data_rate);
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if (cap_data_rate_bit)
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print_value("Data bit rate: ", 2, " bits/sec", cf_info->data_rate*8);
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}
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if (cap_packet_size) printf ("Average packet size: %.2f bytes\n", cf_info->packet_size);
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if (cap_packet_size) printf ("Average packet size: %.2f bytes\n", cf_info->packet_size);
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if (cap_packet_rate) print_value("Average packet rate: ", 2, " packets/sec", cf_info->packet_rate);
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if (cf_info->times_known) {
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if (cap_packet_rate)
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print_value("Average packet rate: ", 2, " packets/sec", cf_info->packet_rate);
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}
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#ifdef HAVE_LIBGCRYPT
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#ifdef HAVE_LIBGCRYPT
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if (cap_file_hashes) {
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if (cap_file_hashes) {
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printf ("SHA1: %s\n", file_sha1);
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printf ("SHA1: %s\n", file_sha1);
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@ -358,7 +405,7 @@ print_stats(const gchar *filename, capture_info *cf_info)
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printf ("MD5: %s\n", file_md5);
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printf ("MD5: %s\n", file_md5);
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}
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}
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#endif /* HAVE_LIBGCRYPT */
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#endif /* HAVE_LIBGCRYPT */
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if (cap_in_order) printf ("Strict time order: %s\n", (cf_info->in_order) ? "True" : "False");
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if (cap_order) printf ("Strict time order: %s\n", order_string(cf_info->order));
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}
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}
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static void
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static void
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@ -411,7 +458,7 @@ print_stats_table_header(void)
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print_stats_table_header_label("MD5");
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print_stats_table_header_label("MD5");
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}
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}
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#endif /* HAVE_LIBGCRYPT */
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#endif /* HAVE_LIBGCRYPT */
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if (cap_in_order) print_stats_table_header_label("Strict time order");
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if (cap_order) print_stats_table_header_label("Strict time order");
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printf("\n");
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printf("\n");
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}
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}
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@ -508,7 +555,10 @@ print_stats_table(const gchar *filename, capture_info *cf_info)
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if (cap_duration) {
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if (cap_duration) {
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putsep();
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putsep();
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putquote();
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putquote();
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printf("%f", cf_info->duration);
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if (cf_info->times_known)
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printf("%f", cf_info->duration);
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else
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printf("n/a");
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putquote();
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putquote();
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}
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}
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@ -529,14 +579,20 @@ print_stats_table(const gchar *filename, capture_info *cf_info)
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if (cap_data_rate_byte) {
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if (cap_data_rate_byte) {
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putsep();
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putsep();
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putquote();
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putquote();
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printf("%.2f", cf_info->data_rate);
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if (cf_info->times_known)
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printf("%.2f", cf_info->data_rate);
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else
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printf("n/a");
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putquote();
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putquote();
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}
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}
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if (cap_data_rate_bit) {
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if (cap_data_rate_bit) {
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putsep();
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putsep();
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putquote();
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putquote();
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printf("%.2f", cf_info->data_rate*8);
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if (cf_info->times_known)
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printf("%.2f", cf_info->data_rate*8);
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else
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printf("n/a");
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putquote();
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putquote();
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}
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}
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@ -550,7 +606,10 @@ print_stats_table(const gchar *filename, capture_info *cf_info)
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if (cap_packet_rate) {
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if (cap_packet_rate) {
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putsep();
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putsep();
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putquote();
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putquote();
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printf("%.2f", cf_info->packet_rate);
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if (cf_info->times_known)
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printf("%.2f", cf_info->packet_rate);
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else
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printf("n/a");
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putquote();
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putquote();
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}
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}
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@ -573,10 +632,10 @@ print_stats_table(const gchar *filename, capture_info *cf_info)
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}
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}
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#endif /* HAVE_LIBGCRYPT */
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#endif /* HAVE_LIBGCRYPT */
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if (cap_in_order) {
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if (cap_order) {
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putsep();
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putsep();
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putquote();
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putquote();
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printf("%s", (cf_info->in_order) ? "True" : "False");
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printf("%s", order_string(cf_info->order));
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putquote();
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putquote();
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}
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}
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@ -597,32 +656,40 @@ process_cap_file(wtap *wth, const char *filename)
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guint32 snaplen_max_inferred = 0;
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guint32 snaplen_max_inferred = 0;
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const struct wtap_pkthdr *phdr;
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const struct wtap_pkthdr *phdr;
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capture_info cf_info;
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capture_info cf_info;
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gboolean have_times = TRUE;
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double start_time = 0;
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double start_time = 0;
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double stop_time = 0;
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double stop_time = 0;
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double cur_time = 0;
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double cur_time = 0;
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double prev_time = 0;
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double prev_time = 0;
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gboolean in_order = TRUE;
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gboolean know_order = FALSE;
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order_t order = IN_ORDER;
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cf_info.encap_counts = g_malloc0(WTAP_NUM_ENCAP_TYPES * sizeof(int));
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cf_info.encap_counts = g_malloc0(WTAP_NUM_ENCAP_TYPES * sizeof(int));
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/* Tally up data that we need to parse through the file to find */
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/* Tally up data that we need to parse through the file to find */
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while (wtap_read(wth, &err, &err_info, &data_offset)) {
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while (wtap_read(wth, &err, &err_info, &data_offset)) {
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phdr = wtap_phdr(wth);
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phdr = wtap_phdr(wth);
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prev_time = cur_time;
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if (phdr->presence_flags & WTAP_HAS_TS) {
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cur_time = secs_nsecs(&phdr->ts);
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if(packet==0) {
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start_time = cur_time;
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stop_time = cur_time;
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prev_time = cur_time;
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prev_time = cur_time;
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}
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cur_time = secs_nsecs(&phdr->ts);
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if (cur_time < prev_time) {
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if(packet==0) {
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in_order = FALSE;
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start_time = cur_time;
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}
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stop_time = cur_time;
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if (cur_time < start_time) {
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prev_time = cur_time;
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start_time = cur_time;
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}
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}
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if (cur_time < prev_time) {
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if (cur_time > stop_time) {
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order = NOT_IN_ORDER;
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stop_time = cur_time;
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}
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if (cur_time < start_time) {
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start_time = cur_time;
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}
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if (cur_time > stop_time) {
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stop_time = cur_time;
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}
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} else {
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have_times = FALSE; /* at least one packet has no time stamp */
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if (order != NOT_IN_ORDER)
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order = ORDER_UNKNOWN;
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}
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}
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bytes+=phdr->len;
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bytes+=phdr->len;
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@ -700,10 +767,12 @@ process_cap_file(wtap *wth, const char *filename)
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cf_info.packet_count = packet;
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cf_info.packet_count = packet;
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/* File Times */
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/* File Times */
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cf_info.times_known = have_times;
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cf_info.start_time = start_time;
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cf_info.start_time = start_time;
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cf_info.stop_time = stop_time;
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cf_info.stop_time = stop_time;
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cf_info.duration = stop_time-start_time;
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cf_info.duration = stop_time-start_time;
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cf_info.in_order = in_order;
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cf_info.know_order = know_order;
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cf_info.order = order;
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/* Number of packet bytes */
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/* Number of packet bytes */
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cf_info.packet_bytes = bytes;
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cf_info.packet_bytes = bytes;
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@ -960,7 +1029,7 @@ main(int argc, char *argv[])
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case 'o':
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case 'o':
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if (report_all_infos) disable_all_infos();
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if (report_all_infos) disable_all_infos();
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cap_in_order = TRUE;
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cap_order = TRUE;
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break;
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break;
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case 'C':
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case 'C':
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