void PacketListRecord::dissect(capture_file *cap_file, bool dissect_color) { // packet_list_store.c:packet_list_dissect_and_cache_record epan_dissect_t edt; column_info *cinfo = NULL; gboolean create_proto_tree; struct wtap_pkthdr phdr; /* Packet header */ Buffer buf; /* Packet data */ gboolean dissect_columns = col_text_.isEmpty() || data_ver_ != col_data_ver_; if (!cap_file) { return; } memset(&phdr, 0, sizeof(struct wtap_pkthdr)); if (dissect_columns) { cinfo = &cap_file->cinfo; } ws_buffer_init(&buf, 1500); if (!cf_read_record_r(cap_file, fdata_, &phdr, &buf)) { /* * Error reading the record. * * Don't set the color filter for now (we might want * to colorize it in some fashion to warn that the * row couldn't be filled in or colorized), and * set the columns to placeholder values, except * for the Info column, where we'll put in an * error message. */ if (dissect_columns) { col_fill_in_error(cinfo, fdata_, FALSE, FALSE /* fill_fd_columns */); cacheColumnStrings(cinfo); } if (dissect_color) { fdata_->color_filter = NULL; colorized_ = true; } ws_buffer_free(&buf); return; /* error reading the record */ } create_proto_tree = (dissect_color && color_filters_used()) || (dissect_columns && have_custom_cols(cinfo)); epan_dissect_init(&edt, cap_file->epan, create_proto_tree, FALSE /* proto_tree_visible */); /* Re-color when the coloring rules are changed via the UI. */ if (dissect_color) { color_filters_prime_edt(&edt); fdata_->flags.need_colorize = 1; } if (dissect_columns) col_custom_prime_edt(&edt, cinfo); /* * XXX - need to catch an OutOfMemoryError exception and * attempt to recover from it. */ epan_dissect_run(&edt, cap_file->cd_t, &phdr, frame_tvbuff_new_buffer(fdata_, &buf), fdata_, cinfo); if (dissect_columns) { /* "Stringify" non frame_data vals */ epan_dissect_fill_in_columns(&edt, FALSE, FALSE /* fill_fd_columns */); cacheColumnStrings(cinfo); } if (dissect_color) { colorized_ = true; } data_ver_ = col_data_ver_; packet_info *pi = &edt.pi; conv_ = find_conversation(pi->num, &pi->src, &pi->dst, pi->ptype, pi->srcport, pi->destport, 0); epan_dissect_cleanup(&edt); ws_buffer_free(&buf); }
void PacketListRecord::dissect(capture_file *cap_file, bool dissect_color) { // packet_list_store.c:packet_list_dissect_and_cache_record epan_dissect_t edt; column_info *cinfo = NULL; gboolean create_proto_tree; wtap_rec rec; /* Record metadata */ Buffer buf; /* Record data */ if (!col_text_) col_text_ = new ColumnTextList; gboolean dissect_columns = col_text_->isEmpty() || data_ver_ != col_data_ver_; if (!cap_file) { return; } memset(&rec, 0, sizeof rec); if (dissect_columns) { cinfo = &cap_file->cinfo; } ws_buffer_init(&buf, 1500); if (!cf_read_record_r(cap_file, fdata_, &rec, &buf)) { /* * Error reading the record. * * Don't set the color filter for now (we might want * to colorize it in some fashion to warn that the * row couldn't be filled in or colorized), and * set the columns to placeholder values, except * for the Info column, where we'll put in an * error message. */ if (dissect_columns) { col_fill_in_error(cinfo, fdata_, FALSE, FALSE /* fill_fd_columns */); cacheColumnStrings(cinfo); } if (dissect_color) { fdata_->color_filter = NULL; colorized_ = true; } ws_buffer_free(&buf); return; /* error reading the record */ } /* * Determine whether we need to create a protocol tree. * We do if: * * we're going to apply a color filter to this packet; * * we're need to fill in the columns and we have custom columns * (which require field values, which currently requires that * we build a protocol tree). * * XXX - field extractors? (Not done for GTK+....) */ create_proto_tree = ((dissect_color && color_filters_used()) || (dissect_columns && (have_custom_cols(cinfo) || have_field_extractors()))); epan_dissect_init(&edt, cap_file->epan, create_proto_tree, FALSE /* proto_tree_visible */); /* Re-color when the coloring rules are changed via the UI. */ if (dissect_color) { color_filters_prime_edt(&edt); fdata_->flags.need_colorize = 1; } if (dissect_columns) col_custom_prime_edt(&edt, cinfo); /* * XXX - need to catch an OutOfMemoryError exception and * attempt to recover from it. */ epan_dissect_run(&edt, cap_file->cd_t, &rec, frame_tvbuff_new_buffer(&cap_file->provider, fdata_, &buf), fdata_, cinfo); if (dissect_columns) { /* "Stringify" non frame_data vals */ epan_dissect_fill_in_columns(&edt, FALSE, FALSE /* fill_fd_columns */); cacheColumnStrings(cinfo); } if (dissect_color) { colorized_ = true; } data_ver_ = col_data_ver_; packet_info *pi = &edt.pi; conv_ = find_conversation_pinfo(pi, 0); epan_dissect_cleanup(&edt); ws_buffer_free(&buf); }