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file_packet_provider.c
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file_packet_provider.c
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/* file_packet_provider_data.c
* Routines for a packet_provider_data for packets from a file.
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <[email protected]>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <glib.h>
#include "cfile.h"
static int
frame_cmp(gconstpointer a, gconstpointer b, gpointer user_data _U_)
{
const frame_data *fdata1 = (const frame_data *) a;
const frame_data *fdata2 = (const frame_data *) b;
return (fdata1->num < fdata2->num) ? -1 :
(fdata1->num > fdata2->num) ? 1 :
0;
}
const char *
cap_file_provider_get_interface_name(struct packet_provider_data *prov, guint32 interface_id)
{
wtapng_iface_descriptions_t *idb_info;
wtap_block_t wtapng_if_descr = NULL;
char* interface_name;
idb_info = wtap_file_get_idb_info(prov->wth);
if (interface_id < idb_info->interface_data->len)
wtapng_if_descr = g_array_index(idb_info->interface_data, wtap_block_t, interface_id);
g_free(idb_info);
if (wtapng_if_descr) {
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_NAME, &interface_name) == WTAP_OPTTYPE_SUCCESS)
return interface_name;
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_DESCR, &interface_name) == WTAP_OPTTYPE_SUCCESS)
return interface_name;
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_HARDWARE, &interface_name) == WTAP_OPTTYPE_SUCCESS)
return interface_name;
}
return "unknown";
}
const char *
cap_file_provider_get_interface_description(struct packet_provider_data *prov, guint32 interface_id)
{
wtapng_iface_descriptions_t *idb_info;
wtap_block_t wtapng_if_descr = NULL;
char* interface_name;
idb_info = wtap_file_get_idb_info(prov->wth);
if (interface_id < idb_info->interface_data->len)
wtapng_if_descr = g_array_index(idb_info->interface_data, wtap_block_t, interface_id);
g_free(idb_info);
if (wtapng_if_descr) {
if (wtap_block_get_string_option_value(wtapng_if_descr, OPT_IDB_DESCR, &interface_name) == WTAP_OPTTYPE_SUCCESS)
return interface_name;
}
return NULL;
}
const char *
cap_file_provider_get_user_comment(struct packet_provider_data *prov, const frame_data *fd)
{
if (prov->frames_user_comments)
return (const char *)g_tree_lookup(prov->frames_user_comments, fd);
/* g_warning? */
return NULL;
}
void
cap_file_provider_set_user_comment(struct packet_provider_data *prov, frame_data *fd, const char *new_comment)
{
if (!prov->frames_user_comments)
prov->frames_user_comments = g_tree_new_full(frame_cmp, NULL, NULL, g_free);
/* insert new packet comment */
g_tree_replace(prov->frames_user_comments, fd, g_strdup(new_comment));
fd->has_user_comment = TRUE;
}