static int process_cap_file(wtap *wth, const char *filename) { int err; gchar *err_info; gint64 size; gint64 data_offset; guint32 packet = 0; gint64 bytes = 0; guint32 snaplen_min_inferred = 0xffffffff; guint32 snaplen_max_inferred = 0; const struct wtap_pkthdr *phdr; capture_info cf_info; gboolean have_times = TRUE; double start_time = 0; double stop_time = 0; double cur_time = 0; double prev_time = 0; gboolean know_order = FALSE; order_t order = IN_ORDER; cf_info.encap_counts = g_malloc0(WTAP_NUM_ENCAP_TYPES * sizeof(int)); /* Tally up data that we need to parse through the file to find */ while (wtap_read(wth, &err, &err_info, &data_offset)) { phdr = wtap_phdr(wth); if (phdr->presence_flags & WTAP_HAS_TS) { prev_time = cur_time; cur_time = secs_nsecs(&phdr->ts); if(packet==0) { start_time = cur_time; stop_time = cur_time; prev_time = cur_time; } if (cur_time < prev_time) { order = NOT_IN_ORDER; } if (cur_time < start_time) { start_time = cur_time; } if (cur_time > stop_time) { stop_time = cur_time; } } else { have_times = FALSE; /* at least one packet has no time stamp */ if (order != NOT_IN_ORDER) order = ORDER_UNKNOWN; } bytes+=phdr->len; packet++; /* If caplen < len for a rcd, then presumably */ /* 'Limit packet capture length' was done for this rcd. */ /* Keep track as to the min/max actual snapshot lengths */ /* seen for this file. */ if (phdr->caplen < phdr->len) { if (phdr->caplen < snaplen_min_inferred) snaplen_min_inferred = phdr->caplen; if (phdr->caplen > snaplen_max_inferred) snaplen_max_inferred = phdr->caplen; } /* Per-packet encapsulation */ if (wtap_file_encap(wth) == WTAP_ENCAP_PER_PACKET) { if ((phdr->pkt_encap > 0) && (phdr->pkt_encap < WTAP_NUM_ENCAP_TYPES)) { cf_info.encap_counts[phdr->pkt_encap] += 1; } else { fprintf(stderr, "capinfos: Unknown per-packet encapsulation: %d [frame number: %d]\n", phdr->pkt_encap, packet); } } } /* while */ if (err != 0) { fprintf(stderr, "capinfos: An error occurred after reading %u packets from \"%s\": %s.\n", packet, filename, wtap_strerror(err)); switch (err) { case WTAP_ERR_UNSUPPORTED: case WTAP_ERR_UNSUPPORTED_ENCAP: case WTAP_ERR_BAD_FILE: case WTAP_ERR_DECOMPRESS: fprintf(stderr, "(%s)\n", err_info); g_free(err_info); break; } g_free(cf_info.encap_counts); return 1; } /* File size */ size = wtap_file_size(wth, &err); if (size == -1) { fprintf(stderr, "capinfos: Can't get size of \"%s\": %s.\n", filename, g_strerror(err)); g_free(cf_info.encap_counts); return 1; } cf_info.filesize = size; /* File Type */ cf_info.file_type = wtap_file_type(wth); cf_info.iscompressed = wtap_iscompressed(wth); /* File Encapsulation */ cf_info.file_encap = wtap_file_encap(wth); /* Packet size limit (snaplen) */ cf_info.snaplen = wtap_snapshot_length(wth); if(cf_info.snaplen > 0) cf_info.snap_set = TRUE; else cf_info.snap_set = FALSE; cf_info.snaplen_min_inferred = snaplen_min_inferred; cf_info.snaplen_max_inferred = snaplen_max_inferred; /* # of packets */ cf_info.packet_count = packet; /* File Times */ cf_info.times_known = have_times; cf_info.start_time = start_time; cf_info.stop_time = stop_time; cf_info.duration = stop_time-start_time; cf_info.know_order = know_order; cf_info.order = order; /* Number of packet bytes */ cf_info.packet_bytes = bytes; cf_info.data_rate = 0.0; cf_info.packet_rate = 0.0; cf_info.packet_size = 0.0; if (packet > 0) { if (cf_info.duration > 0.0) { cf_info.data_rate = (double)bytes / (stop_time-start_time); /* Data rate per second */ cf_info.packet_rate = (double)packet / (stop_time-start_time); /* packet rate per second */ } cf_info.packet_size = (double)bytes / packet; /* Avg packet size */ } if(long_report) { print_stats(filename, &cf_info); } else { print_stats_table(filename, &cf_info); } g_free(cf_info.encap_counts); return 0; }
static int process_cap_file(wtap *wth, const char *filename) { int status = 0; int err; gchar *err_info; gint64 size; gint64 data_offset; guint32 packet = 0; gint64 bytes = 0; guint32 snaplen_min_inferred = 0xffffffff; guint32 snaplen_max_inferred = 0; const struct wtap_pkthdr *phdr; capture_info cf_info; gboolean have_times = TRUE; double start_time = 0; double stop_time = 0; double cur_time = 0; double prev_time = 0; gboolean know_order = FALSE; order_t order = IN_ORDER; wtapng_section_t *shb_inf; gchar *p; cf_info.encap_counts = g_new0(int,WTAP_NUM_ENCAP_TYPES); /* Tally up data that we need to parse through the file to find */ while (wtap_read(wth, &err, &err_info, &data_offset)) { phdr = wtap_phdr(wth); if (phdr->presence_flags & WTAP_HAS_TS) { prev_time = cur_time; cur_time = nstime_to_sec(&phdr->ts); if (packet == 0) { start_time = cur_time; stop_time = cur_time; prev_time = cur_time; } if (cur_time < prev_time) { order = NOT_IN_ORDER; } if (cur_time < start_time) { start_time = cur_time; } if (cur_time > stop_time) { stop_time = cur_time; } } else { have_times = FALSE; /* at least one packet has no time stamp */ if (order != NOT_IN_ORDER) order = ORDER_UNKNOWN; } if (phdr->rec_type == REC_TYPE_PACKET) { bytes+=phdr->len; packet++; /* If caplen < len for a rcd, then presumably */ /* 'Limit packet capture length' was done for this rcd. */ /* Keep track as to the min/max actual snapshot lengths */ /* seen for this file. */ if (phdr->caplen < phdr->len) { if (phdr->caplen < snaplen_min_inferred) snaplen_min_inferred = phdr->caplen; if (phdr->caplen > snaplen_max_inferred) snaplen_max_inferred = phdr->caplen; } /* Per-packet encapsulation */ if (wtap_file_encap(wth) == WTAP_ENCAP_PER_PACKET) { if ((phdr->pkt_encap > 0) && (phdr->pkt_encap < WTAP_NUM_ENCAP_TYPES)) { cf_info.encap_counts[phdr->pkt_encap] += 1; } else { fprintf(stderr, "capinfos: Unknown per-packet encapsulation: %d [frame number: %d]\n", phdr->pkt_encap, packet); } } } } /* while */ if (err != 0) { fprintf(stderr, "capinfos: An error occurred after reading %u packets from \"%s\": %s.\n", packet, filename, wtap_strerror(err)); switch (err) { case WTAP_ERR_SHORT_READ: status = 1; fprintf(stderr, " (will continue anyway, checksums might be incorrect)\n"); break; case WTAP_ERR_UNSUPPORTED: case WTAP_ERR_UNSUPPORTED_ENCAP: case WTAP_ERR_BAD_FILE: case WTAP_ERR_DECOMPRESS: fprintf(stderr, "(%s)\n", err_info); g_free(err_info); /* fallthrough */ default: g_free(cf_info.encap_counts); return 1; } } /* File size */ size = wtap_file_size(wth, &err); if (size == -1) { fprintf(stderr, "capinfos: Can't get size of \"%s\": %s.\n", filename, g_strerror(err)); g_free(cf_info.encap_counts); return 1; } cf_info.filesize = size; /* File Type */ cf_info.file_type = wtap_file_type_subtype(wth); cf_info.iscompressed = wtap_iscompressed(wth); /* File Encapsulation */ cf_info.file_encap = wtap_file_encap(wth); /* Packet size limit (snaplen) */ cf_info.snaplen = wtap_snapshot_length(wth); if (cf_info.snaplen > 0) cf_info.snap_set = TRUE; else cf_info.snap_set = FALSE; cf_info.snaplen_min_inferred = snaplen_min_inferred; cf_info.snaplen_max_inferred = snaplen_max_inferred; /* # of packets */ cf_info.packet_count = packet; /* File Times */ cf_info.times_known = have_times; cf_info.start_time = start_time; cf_info.stop_time = stop_time; cf_info.duration = stop_time-start_time; cf_info.know_order = know_order; cf_info.order = order; /* Number of packet bytes */ cf_info.packet_bytes = bytes; cf_info.data_rate = 0.0; cf_info.packet_rate = 0.0; cf_info.packet_size = 0.0; if (packet > 0) { if (cf_info.duration > 0.0) { cf_info.data_rate = (double)bytes / (stop_time-start_time); /* Data rate per second */ cf_info.packet_rate = (double)packet / (stop_time-start_time); /* packet rate per second */ } cf_info.packet_size = (double)bytes / packet; /* Avg packet size */ } cf_info.comment = NULL; shb_inf = wtap_file_get_shb_info(wth); if (shb_inf) { /* opt_comment is always 0-terminated by pcapng_read_section_header_block */ cf_info.comment = g_strdup(shb_inf->opt_comment); } g_free(shb_inf); if (cf_info.comment) { /* multi-line comments would conflict with the formatting that capinfos uses we replace linefeeds with spaces */ p = cf_info.comment; while (*p != '\0') { if (*p == '\n') *p = ' '; p++; } } if (long_report) { print_stats(filename, &cf_info); } else { print_stats_table(filename, &cf_info); } g_free(cf_info.encap_counts); g_free(cf_info.comment); return status; }