1 files changed, 75 insertions, 0 deletions
diff --git a/src/osmo_client_core.c b/src/osmo_client_core.c
new file mode 100644
index 0000000..af6cd0e
--- /dev/null
+++ b/src/osmo_client_core.c
@@ -0,0 +1,75 @@
+/*
+ * 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;
+}