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/*
* osmo-pcap-client code
*
* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2011 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <osmo-pcap/osmo_pcap_client.h>
#include <osmo-pcap/common.h>
#include <osmocom/core/talloc.h>
#include <limits.h>
static void free_all(struct osmo_pcap_client *client)
{
if (!client->handle)
return;
if (client->bpf) {
pcap_freecode(client->bpf);
client->bpf = NULL;
}
if (client->fd.fd != -1) {
osmo_fd_unregister(&client->fd);
client->fd.fd = -1;
}
pcap_close(client->handle);
client->handle = NULL;
}
int osmo_client_capture(struct osmo_pcap_client *client, const char *device)
{
talloc_free(client->device);
free_all(client);
client->device = talloc_strdup(client, device);
if (!client) {
LOGP(DCLIENT, LOGL_ERROR, "Failed to copy string.\n");
return 1;
}
client->handle = pcap_open_live(client->device, 2000, 0,
1000, client->errbuf);
if (!client->handle) {
LOGP(DCLIENT, LOGL_ERROR,
"Failed to open the device: %s\n", client->errbuf);
return 2;
}
return 0;
}
int osmo_client_filter(struct osmo_pcap_client *client, const char *filter)
{
return 0;
}
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