move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 60 insertions, 0 deletions

diff --git a/src/gprs/gtphub_sock.c b/src/gprs/gtphub_sock.c
new file mode 100644
index 000000000..60bebaaeb
--- /dev/null
+++ b/src/gprs/gtphub_sock.c
@@ -0,0 +1,60 @@
+/* GTP Hub Implementation */
+
+/* (C) 2015 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * gtphub_sock.c.
+ *
+ * This file is kept separate so that these functions can be wrapped for
+ * gtphub_test.c. When a function and its callers are in the same compilational
+ * unit, the wrappability may be optimized away.
+ *
+ * Author: Neels Hofmeyr
+ *
+ * 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 <openbsc/gtphub.h>
+#include <openbsc/debug.h>
+
+/* Convenience makro, note: only within this C file. */
+#define LOG(level, fmt, args...) \
+	LOGP(DGTPHUB, level, fmt, ##args)
+
+int gtphub_write(const struct osmo_fd *to,
+		 const struct osmo_sockaddr *to_addr,
+		 const uint8_t *buf, size_t buf_len)
+{
+	errno = 0;
+	ssize_t sent = sendto(to->fd, buf, buf_len, 0,
+			      (struct sockaddr*)&to_addr->a, to_addr->l);
+	LOG(LOGL_DEBUG, "to %s\n", osmo_sockaddr_to_str(to_addr));
+
+	if (sent == -1) {
+		LOG(LOGL_ERROR, "error: %s\n", strerror(errno));
+		return -EINVAL;
+	}
+
+	if (sent != buf_len)
+		LOG(LOGL_ERROR, "sent(%d) != data_len(%d)\n",
+		    (int)sent, (int)buf_len);
+	else
+		LOG(LOGL_DEBUG, "Sent %d: %s%s\n",
+		    (int)sent,
+		    osmo_hexdump(buf, sent > 1000? 1000 : sent),
+		    sent > 1000 ? "..." : "");
+
+	return 0;
+}
+