nexmon – Rev 1
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/*
* wslua_column.c
*
* Wireshark's interface to the Lua Programming Language
*
* (c) 2006, Luis E. Garcia Ontanon <luis@ontanon.org>
* (c) 2008, Balint Reczey <balint.reczey@ericsson.com>
* (c) 2011, Stig Bjorlykke <stig@bjorlykke.org>
* (c) 2014, Hadriel Kaplan <hadrielk@yahoo.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "wslua_pinfo_common.h"
/* WSLUA_CONTINUE_MODULE Pinfo */
static GPtrArray* outstanding_Column = NULL;
static GPtrArray* outstanding_Columns = NULL;
CLEAR_OUTSTANDING(Column,expired, TRUE)
CLEAR_OUTSTANDING(Columns,expired, TRUE)
#define PUSH_COLUMN(L,c) {g_ptr_array_add(outstanding_Column,c);pushColumn(L,c);}
void Push_Columns(lua_State *L, Columns c)
{
g_ptr_array_add(outstanding_Columns, c);
pushColumns(L, c);
}
WSLUA_CLASS_DEFINE(Column,FAIL_ON_NULL("Column")); /* A Column in the packet list. */
struct col_names_t {
const gchar* name;
int id;
};
static const struct col_names_t colnames[] = {
{"number",COL_NUMBER},
{"abs_time",COL_ABS_TIME},
{"utc_time",COL_UTC_TIME},
{"cls_time",COL_CLS_TIME},
{"rel_time",COL_REL_TIME},
{"date",COL_ABS_YMD_TIME},
{"date_doy",COL_ABS_YDOY_TIME},
{"utc_date",COL_UTC_YMD_TIME},
{"utc_date_doy",COL_UTC_YDOY_TIME},
{"delta_time",COL_DELTA_TIME},
{"delta_time_displayed",COL_DELTA_TIME_DIS},
{"src",COL_DEF_SRC},
{"src_res",COL_RES_SRC},
{"src_unres",COL_UNRES_SRC},
{"dl_src",COL_DEF_DL_SRC},
{"dl_src_res",COL_RES_DL_SRC},
{"dl_src_unres",COL_UNRES_DL_SRC},
{"net_src",COL_DEF_NET_SRC},
{"net_src_res",COL_RES_NET_SRC},
{"net_src_unres",COL_UNRES_NET_SRC},
{"dst",COL_DEF_DST},
{"dst_res",COL_RES_DST},
{"dst_unres",COL_UNRES_DST},
{"dl_dst",COL_DEF_DL_DST},
{"dl_dst_res",COL_RES_DL_DST},
{"dl_dst_unres",COL_UNRES_DL_DST},
{"net_dst",COL_DEF_NET_DST},
{"net_dst_res",COL_RES_NET_DST},
{"net_dst_unres",COL_UNRES_NET_DST},
{"src_port",COL_DEF_SRC_PORT},
{"src_port_res",COL_RES_SRC_PORT},
{"src_port_unres",COL_UNRES_SRC_PORT},
{"dst_port",COL_DEF_DST_PORT},
{"dst_port_res",COL_RES_DST_PORT},
{"dst_port_unres",COL_UNRES_DST_PORT},
{"protocol",COL_PROTOCOL},
{"info",COL_INFO},
{"packet_len",COL_PACKET_LENGTH},
{"cumulative_bytes",COL_CUMULATIVE_BYTES},
{"direction",COL_IF_DIR},
{"vsan",COL_VSAN},
{"tx_rate",COL_TX_RATE},
{"rssi",COL_RSSI},
{"dce_call",COL_DCE_CALL},
{NULL,0}
};
static gint col_name_to_id(const gchar* name) {
const struct col_names_t* cn;
for(cn = colnames; cn->name; cn++) {
if (g_str_equal(cn->name,name)) {
return cn->id;
}
}
return 0;
}
static const gchar* col_id_to_name(gint id) {
const struct col_names_t* cn;
for(cn = colnames; cn->name; cn++) {
if ( cn->id == id ) {
return cn->name;
}
}
return NULL;
}
WSLUA_METAMETHOD Column__tostring(lua_State *L) {
Column c = checkColumn(L,1);
const gchar* text;
if (!c->cinfo) {
text = col_id_to_name(c->col);
lua_pushfstring(L, "(%s)", text ? text : "unknown");
}
else {
text = col_get_text(c->cinfo, c->col);
lua_pushstring(L, text ? text : "(nil)");
}
WSLUA_RETURN(1); /* The column's string text (in parenthesis if not available). */
}
/* Gets registered as metamethod automatically by WSLUA_REGISTER_CLASS */
static int Column__gc(lua_State* L) {
Column col = toColumn(L,1);
if (!col) return 0;
if (!col->expired)
col->expired = TRUE;
else
g_free(col);
return 0;
}
WSLUA_METHOD Column_clear(lua_State *L) {
/* Clears a Column. */
Column c = checkColumn(L,1);
if (!(c->cinfo)) return 0;
col_clear(c->cinfo, c->col);
return 0;
}
WSLUA_METHOD Column_set(lua_State *L) {
/* Sets the text of a Column. */
#define WSLUA_ARG_Column_set_TEXT 2 /* The text to which to set the Column. */
Column c = checkColumn(L,1);
const gchar* s = luaL_checkstring(L,WSLUA_ARG_Column_set_TEXT);
if (!(c->cinfo))
return 0;
col_add_str(c->cinfo, c->col, s);
return 0;
}
WSLUA_METHOD Column_append(lua_State *L) {
/* Appends text to a Column. */
#define WSLUA_ARG_Column_append_TEXT 2 /* The text to append to the Column. */
Column c = checkColumn(L,1);
const gchar* s = luaL_checkstring(L,WSLUA_ARG_Column_append_TEXT);
if (!(c->cinfo))
return 0;
col_append_str(c->cinfo, c->col, s);
return 0;
}
WSLUA_METHOD Column_prepend(lua_State *L) {
/* Prepends text to a Column. */
#define WSLUA_ARG_Column_prepend_TEXT 2 /* The text to prepend to the Column. */
Column c = checkColumn(L,1);
const gchar* s = luaL_checkstring(L,WSLUA_ARG_Column_prepend_TEXT);
if (!(c->cinfo))
return 0;
col_prepend_fstr(c->cinfo, c->col, "%s",s);
return 0;
}
WSLUA_METHOD Column_fence(lua_State *L) {
/* Sets Column text fence, to prevent overwriting.
@since 1.10.6
*/
Column c = checkColumn(L,1);
if (c->cinfo)
col_set_fence(c->cinfo, c->col);
return 0;
}
WSLUA_METHOD Column_clear_fence(lua_State *L) {
/* Clear Column text fence.
@since 1.11.3
*/
Column c = checkColumn(L,1);
if (c->cinfo)
col_clear_fence(c->cinfo, c->col);
return 0;
}
WSLUA_METHODS Column_methods[] = {
WSLUA_CLASS_FNREG(Column,clear),
WSLUA_CLASS_FNREG(Column,set),
WSLUA_CLASS_FNREG(Column,append),
WSLUA_CLASS_FNREG(Column,prepend),
WSLUA_CLASS_FNREG_ALIAS(Column,preppend,prepend),
WSLUA_CLASS_FNREG(Column,fence),
WSLUA_CLASS_FNREG(Column,clear_fence),
{ NULL, NULL }
};
WSLUA_META Column_meta[] = {
WSLUA_CLASS_MTREG(Column,tostring),
{ NULL, NULL }
};
int Column_register(lua_State *L) {
WSLUA_REGISTER_CLASS(Column);
outstanding_Column = g_ptr_array_new();
return 0;
}
WSLUA_CLASS_DEFINE(Columns,NOP);
/* The Columns of the packet list. */
WSLUA_METAMETHOD Columns__tostring(lua_State *L) {
lua_pushstring(L,"Columns");
WSLUA_RETURN(1);
/* The string "Columns", no real use, just for debugging purposes. */
}
/*
* To document this is very odd - it won't make sense to a person reading the
* API docs to see this metamethod as a method, but oh well.
*/
WSLUA_METAMETHOD Columns__newindex(lua_State *L) {
/* Sets the text of a specific column. */
#define WSLUA_ARG_Columns__newindex_COLUMN 2 /* The name of the column to set. */
#define WSLUA_ARG_Columns__newindex_TEXT 3 /* The text for the column. */
Columns cols = checkColumns(L,1);
const struct col_names_t* cn;
const char* colname;
const char* text;
if (!cols) return 0;
if (cols->expired) {
luaL_error(L,"expired column");
return 0;
}
colname = luaL_checkstring(L,WSLUA_ARG_Columns__newindex_COLUMN);
text = luaL_checkstring(L,WSLUA_ARG_Columns__newindex_TEXT);
for(cn = colnames; cn->name; cn++) {
if( g_str_equal(cn->name,colname) ) {
col_add_str(cols->cinfo, cn->id, text);
return 0;
}
}
WSLUA_ARG_ERROR(Columns__newindex,COLUMN,"the column name must be a valid column");
return 0;
}
WSLUA_METAMETHOD Columns__index(lua_State *L) {
/* Gets a specific Column. */
Columns cols = checkColumns(L,1);
const struct col_names_t* cn;
const char* colname = luaL_checkstring(L,2);
if (!cols) {
Column c = (Column)g_malloc(sizeof(struct _wslua_col_info));
c->cinfo = NULL;
c->col = col_name_to_id(colname);
c->expired = FALSE;
PUSH_COLUMN(L,c);
return 1;
}
if (cols->expired) {
luaL_error(L,"expired column");
return 0;
}
for(cn = colnames; cn->name; cn++) {
if( g_str_equal(cn->name,colname) ) {
Column c = (Column)g_malloc(sizeof(struct _wslua_col_info));
c->cinfo = cols->cinfo;
c->col = col_name_to_id(colname);
c->expired = FALSE;
PUSH_COLUMN(L,c);
return 1;
}
}
return 0;
}
/* for internal use - used by Pinfo */
int get_Columns_index(lua_State *L)
{
return Columns__index(L);
}
/* Gets registered as metamethod automatically by WSLUA_REGISTER_META */
static int Columns__gc(lua_State* L) {
Columns cols = toColumns(L,1);
if (!cols) return 0;
if (!cols->expired)
cols->expired = TRUE;
else
g_free(cols);
return 0;
}
WSLUA_META Columns_meta[] = {
WSLUA_CLASS_MTREG(Columns,tostring),
WSLUA_CLASS_MTREG(Columns,newindex),
WSLUA_CLASS_MTREG(Columns,index),
{ NULL, NULL }
};
int Columns_register(lua_State *L) {
WSLUA_REGISTER_META(Columns);
outstanding_Columns = g_ptr_array_new();
return 0;
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/