m2ua: Add parsing and creation of m2ua packages

2 files changed, 55 insertions, 1 deletions

diff --git a/include/m2ua/Makefile.am b/include/m2ua/Makefile.am
index f52d610..d740a6c 100644
--- a/include/m2ua/Makefile.am
+++ b/include/m2ua/Makefile.am
@@ -1,2 +1,2 @@
-m2ua_HEADERS = m2ua_types.h
+m2ua_HEADERS = m2ua_types.h m2ua_msg.h
 m2uadir = $(includedir)/osmocom/m2ua
diff --git a/include/m2ua/m2ua_msg.h b/include/m2ua/m2ua_msg.h
new file mode 100644
index 0000000..49fe8cc
--- /dev/null
+++ b/include/m2ua/m2ua_msg.h
@@ -0,0 +1,54 @@
+/* Routines for generating and parsing messages */
+/* (C) 2011 by Holger Hans Peter Freyther <zecke@selfish.org>
+ *
+ * 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/>.
+ *
+ */
+
+
+#ifndef m2ua_msg_h
+#define m2ua_msg_h
+
+#include "m2ua_types.h"
+
+#include <osmocore/linuxlist.h>
+
+struct msgb;
+
+struct m2ua_msg {
+	struct m2ua_common_hdr hdr;
+
+	struct llist_head headers;
+};
+
+struct m2ua_msg_part {
+	struct llist_head entry;
+
+	uint16_t tag;
+	uint16_t len;
+	uint8_t  *dat;
+
+	/* TODO: keep small data in the struct for perf reasons */
+};
+
+
+struct m2ua_msg *m2ua_msg_alloc(void);
+void m2ua_msg_free(struct m2ua_msg *msg);
+
+int m2ua_msg_add_data(struct m2ua_msg *msg, uint16_t tag, uint16_t len, uint8_t *dat);
+
+struct m2ua_msg *m2ua_from_msg(uint16_t len, uint8_t *data);
+struct msgb *m2ua_to_msg(struct m2ua_msg *msg);
+
+#endif