diff options
Diffstat (limited to 'epan/sequence_analysis.c')
| -rw-r--r-- | epan/sequence_analysis.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/epan/sequence_analysis.c b/epan/sequence_analysis.c index 0cb4183c8f..ed52782ba0 100644 --- a/epan/sequence_analysis.c +++ b/epan/sequence_analysis.c @@ -32,6 +32,7 @@ #include "column-info.h" #include "tap.h" #include "wmem/wmem.h" +#include "wsutil/file_util.h" #define NODE_OVERFLOW MAX_NUM_NODES+1 @@ -326,6 +327,294 @@ sequence_analysis_free_nodes(seq_analysis_info_t *sainfo) sainfo->num_nodes = 0; } +/* Writing analysis to file */ +/****************************************************************************/ + +#define NODE_CHARS_WIDTH 20 +#define CONV_TIME_HEADER "Conv.| Time " +#define TIME_HEADER "|Time " +#define CONV_TIME_EMPTY_HEADER " | " +#define TIME_EMPTY_HEADER "| " +#define CONV_TIME_HEADER_LENGTH 16 +#define TIME_HEADER_LENGTH 10 + +/****************************************************************************/ +/* Adds trailing characters to complete the requested length. */ +/****************************************************************************/ + +static void enlarge_string(GString *gstr, guint32 length, char pad) { + + gsize i; + + for (i = gstr->len; i < length; i++) { + g_string_append_c(gstr, pad); + } +} + +/****************************************************************************/ +/* overwrites the characters in a string, between positions p1 and p2, with */ +/* the characters of text_to_insert */ +/* NB: it does not check that p1 and p2 fit into string */ +/****************************************************************************/ + +static void overwrite (GString *gstr, char *text_to_insert, guint32 p1, guint32 p2) { + + glong len, ins_len; + gsize pos; + gchar *ins_str = NULL; + + if (p1 == p2) + return; + + if (p1 > p2) { + pos = p2; + len = p1 - p2; + } + else{ + pos = p1; + len = p2 - p1; + } + + ins_len = g_utf8_strlen(text_to_insert, -1); + if (len > ins_len) { + len = ins_len; + } else if (len < ins_len) { +#if GLIB_CHECK_VERSION(2,30,0) + ins_str = g_utf8_substring(text_to_insert, 0, len); +#else + gchar *end = g_utf8_offset_to_pointer(text_to_insert, len); + ins_str = g_strndup(text_to_insert, end - text_to_insert); +#endif + } + + if (!ins_str) ins_str = g_strdup(text_to_insert); + + if (pos > gstr->len) + pos = gstr->len; + + g_string_erase(gstr, pos, len); + + g_string_insert(gstr, pos, ins_str); + g_free(ins_str); +} + + +gboolean +sequence_analysis_dump_to_file(const char *pathname, seq_analysis_info_t *sainfo, unsigned int first_node) +{ + guint32 i, display_items, display_nodes; + guint32 start_position, end_position, item_width, header_length; + seq_analysis_item_t *sai; + guint16 first_conv_num = 0; + gboolean several_convs = FALSE; + gboolean first_packet = TRUE; + + GString *label_string, *empty_line, *separator_line, *tmp_str, *tmp_str2; + const char *empty_header; + char src_port[8], dst_port[8]; + GList *list; + char *addr_str; + + FILE *of; + + of = ws_fopen(pathname, "w"); + if (of==NULL) { + return FALSE; + } + + display_items = 0; + list = g_queue_peek_nth_link(sainfo->items, 0); + while (list) + { + sai = (seq_analysis_item_t *)list->data; + list = g_list_next(list); + + if (!sai->display) + continue; + + display_items += 1; + if (first_packet) { + first_conv_num = sai->conv_num; + first_packet = FALSE; + } + else if (sai->conv_num != first_conv_num) { + several_convs = TRUE; + } + } + + /* if not items to display */ + if (display_items == 0) { + fclose (of); + return TRUE; + } + + label_string = g_string_new(""); + empty_line = g_string_new(""); + separator_line = g_string_new(""); + tmp_str = g_string_new(""); + tmp_str2 = g_string_new(""); + + display_nodes = sainfo->num_nodes; + + /* Write the conv. and time headers */ + if (several_convs) { + fprintf(of, CONV_TIME_HEADER); + empty_header = CONV_TIME_EMPTY_HEADER; + header_length = CONV_TIME_HEADER_LENGTH; + } + else{ + fprintf(of, TIME_HEADER); + empty_header = TIME_EMPTY_HEADER; + header_length = TIME_HEADER_LENGTH; + } + + /* Write the node names on top */ + for (i=0; i<display_nodes; i+=2) { + /* print the node identifiers */ + addr_str = address_to_display(NULL, &(sainfo->nodes[i+first_node])); + g_string_printf(label_string, "| %s", addr_str); + wmem_free(NULL, addr_str); + enlarge_string(label_string, NODE_CHARS_WIDTH*2, ' '); + fprintf(of, "%s", label_string->str); + g_string_printf(label_string, "| "); + enlarge_string(label_string, NODE_CHARS_WIDTH, ' '); + g_string_append(empty_line, label_string->str); + } + + fprintf(of, "|\n%s", empty_header); + g_string_printf(label_string, "| "); + enlarge_string(label_string, NODE_CHARS_WIDTH, ' '); + fprintf(of, "%s", label_string->str); + + /* Write the node names on top */ + for (i=1; i<display_nodes; i+=2) { + /* print the node identifiers */ + addr_str = address_to_display(NULL, &(sainfo->nodes[i+first_node])); + g_string_printf(label_string, "| %s", addr_str); + wmem_free(NULL, addr_str); + if (label_string->len < NODE_CHARS_WIDTH) + { + enlarge_string(label_string, NODE_CHARS_WIDTH, ' '); + g_string_append(label_string, "| "); + } + enlarge_string(label_string, NODE_CHARS_WIDTH*2, ' '); + fprintf(of, "%s", label_string->str); + g_string_printf(label_string, "| "); + enlarge_string(label_string, NODE_CHARS_WIDTH, ' '); + g_string_append(empty_line, label_string->str); + } + + fprintf(of, "\n"); + + g_string_append_c(empty_line, '|'); + + enlarge_string(separator_line, (guint32) empty_line->len + header_length, '-'); + + /* + * Draw the items + */ + + list = g_queue_peek_nth_link(sainfo->items, 0); + while (list) + { + sai = (seq_analysis_item_t *)list->data; + list = g_list_next(list); + + if (!sai->display) + continue; + + start_position = (sai->src_node-first_node)*NODE_CHARS_WIDTH+NODE_CHARS_WIDTH/2; + + end_position = (sai->dst_node-first_node)*NODE_CHARS_WIDTH+NODE_CHARS_WIDTH/2; + + if (start_position > end_position) { + item_width = start_position-end_position; + } + else if (start_position < end_position) { + item_width = end_position-start_position; + } + else{ /* same origin and destination address */ + end_position = start_position+NODE_CHARS_WIDTH; + item_width = NODE_CHARS_WIDTH; + } + + /* separator between conversations */ + if (sai->conv_num != first_conv_num) { + fprintf(of, "%s\n", separator_line->str); + first_conv_num = sai->conv_num; + } + + /* write the conversation number */ + if (several_convs) { + g_string_printf(label_string, "%i", sai->conv_num); + enlarge_string(label_string, 5, ' '); + fprintf(of, "%s", label_string->str); + } + + if (sai->time_str != NULL) { + g_string_printf(label_string, "|%s", sai->time_str); + enlarge_string(label_string, 10, ' '); + fprintf(of, "%s", label_string->str); + } + + /* write the frame label */ + + g_string_printf(tmp_str, "%s", empty_line->str); + overwrite(tmp_str, sai->frame_label, + start_position, + end_position + ); + fprintf(of, "%s", tmp_str->str); + + /* write the comments */ + fprintf(of, "%s\n", sai->comment); + + /* write the arrow and frame label*/ + fprintf(of, "%s", empty_header); + + g_string_printf(tmp_str, "%s", empty_line->str); + + g_string_truncate(tmp_str2, 0); + + if (start_position<end_position) { + enlarge_string(tmp_str2, item_width-2, '-'); + g_string_append_c(tmp_str2, '>'); + } + else{ + g_string_printf(tmp_str2, "<"); + enlarge_string(tmp_str2, item_width-1, '-'); + } + + overwrite(tmp_str, tmp_str2->str, + start_position, + end_position + ); + + g_snprintf(src_port, sizeof(src_port), "(%i)", sai->port_src); + g_snprintf(dst_port, sizeof(dst_port), "(%i)", sai->port_dst); + + if (start_position<end_position) { + overwrite(tmp_str, src_port, start_position-9, start_position-1); + overwrite(tmp_str, dst_port, end_position+1, end_position+9); + } + else{ + overwrite(tmp_str, src_port, start_position+1, start_position+9); + overwrite(tmp_str, dst_port, end_position-9, end_position+1); + } + + fprintf(of, "%s\n", tmp_str->str); + } + + g_string_free(label_string, TRUE); + g_string_free(empty_line, TRUE); + g_string_free(separator_line, TRUE); + g_string_free(tmp_str, TRUE); + g_string_free(tmp_str2, TRUE); + fclose (of); + return TRUE; + +} + /* * Editor modelines * |