diff options
Diffstat (limited to 'epan/column-info.h')
| -rw-r--r-- | epan/column-info.h | 80 |
1 files changed, 76 insertions, 4 deletions
diff --git a/epan/column-info.h b/epan/column-info.h index 5f611f3e93..ea05ee2bf5 100644 --- a/epan/column-info.h +++ b/epan/column-info.h @@ -1,5 +1,7 @@ /* column-info.h - * Definitions for column structures and routines + * Definitions for internal column structures and routines + * + * For internal Wireshark use only. Don't include this header in dissectors! * * Wireshark - Network traffic analyzer * By Gerald Combs <gerald@wireshark.org> @@ -22,9 +24,9 @@ extern "C" { * Column info. */ -#define COL_MAX_LEN 2048 -#define COL_MAX_INFO_LEN 4096 -#define COL_CUSTOM_PRIME_REGEX " *([^ \\|]+) *(?:(?:\\|\\|)|(?:or)| *$){1}" +typedef struct _proto_node proto_tree; + +#define COLUMN_FIELD_FILTER "_ws.col." /** Column expression */ typedef struct { @@ -32,6 +34,15 @@ typedef struct { gchar **col_expr_val; /**< Value for filter expression */ } col_expr_t; +/** Custom column filter expression information used in the GSList below. + * One for each expression in a multifield column. + */ +typedef struct { + char *dftext; /**< Filter expression */ + struct epan_dfilter *dfilter; /**< Compiled filter expression */ + int field_id; /**< ID for a single field expression, or 0 */ +} col_custom_t; + /** Individual column info */ typedef struct { gint col_fmt; /**< Format of column */ @@ -45,6 +56,7 @@ typedef struct { gchar *col_buf; /**< Buffer into which to copy data for column */ int col_fence; /**< Stuff in column buffer before this index is immutable */ gboolean writable; /**< writable or not */ + int hf_id; } col_item_t; /** Column info */ @@ -59,6 +71,66 @@ struct epan_column_info { GRegex *prime_regex; /**< Used to prime custom columns */ }; +/** Allocate all the data structures for constructing column data, given + * the number of columns. + */ +WS_DLL_PUBLIC void col_setup(column_info *cinfo, const gint num_cols); + +/** Cleanup all the data structures for constructing column data; + * undoes the alocations that col_setup() does. + */ +WS_DLL_PUBLIC void col_cleanup(column_info *cinfo); + +/** Initialize the data structures for constructing column data. + */ +extern void col_init(column_info *cinfo, const struct epan_session *epan); + +/** Fill in all columns of the given packet which are based on values from frame_data. + */ +WS_DLL_PUBLIC void col_fill_in_frame_data(const frame_data *fd, column_info *cinfo, const gint col, gboolean const fill_col_exprs); + +/** Fill in all (non-custom) columns of the given packet. + */ +WS_DLL_PUBLIC void col_fill_in(packet_info *pinfo, const gboolean fill_col_exprs, const gboolean fill_fd_colums); + +/** Fill in columns if we got an error reading the packet. + * We set most columns to "???", and set the Info column to an error + * message. + */ +WS_DLL_PUBLIC void col_fill_in_error(column_info *cinfo, frame_data *fdata, const gboolean fill_col_exprs, const gboolean fill_fd_colums); + +/** Check to see if our column data has changed, e.g. we have new request/response info. + */ +WS_DLL_PUBLIC gboolean col_data_changed(void); + +void col_custom_set_edt(struct epan_dissect *edt, column_info *cinfo); + +WS_DLL_PUBLIC +void col_custom_prime_edt(struct epan_dissect *edt, column_info *cinfo); + +/** Get a filter expression for a custom column. This string must be g_free'd. + */ +WS_DLL_PUBLIC +char* col_custom_get_filter(struct epan_dissect *edt, column_info *cinfo, const gint col); + +WS_DLL_PUBLIC +gboolean have_custom_cols(column_info *cinfo); + +WS_DLL_PUBLIC +gboolean have_field_extractors(void); + +WS_DLL_PUBLIC +gboolean col_has_time_fmt(column_info *cinfo, const gint col); + +WS_DLL_PUBLIC +gboolean col_based_on_frame_data(column_info *cinfo, const gint col); + +void +col_register_protocol(void); + +extern +void col_dissect(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + #ifdef __cplusplus } #endif /* __cplusplus */ |