1 files changed, 87 insertions, 0 deletions
diff --git a/src/mnat.c b/src/mnat.c
new file mode 100644
index 0000000..416e93b
--- /dev/null
+++ b/src/mnat.c
@@ -0,0 +1,87 @@
+/**
+ * @file mnat.c Media NAT
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+
+#include <re.h>
+#include <baresip.h>
+#include "core.h"
+
+
+static struct list mnatl = LIST_INIT;
+
+
+static void destructor(void *arg)
+{
+	struct mnat *mnat = arg;
+
+	list_unlink(&mnat->le);
+}
+
+
+/**
+ * Register a Media NAT traversal module
+ *
+ * @param mnatp    Pointer to allocated Media NAT traversal module
+ * @param id       Media NAT Identifier
+ * @param ftag     SIP Feature tag (optional)
+ * @param sessh    Session allocation handler
+ * @param mediah   Media allocation handler
+ * @param updateh  Update handler
+ *
+ * @return 0 if success, otherwise errorcode
+ */
+int mnat_register(struct mnat **mnatp, const char *id, const char *ftag,
+		  mnat_sess_h *sessh, mnat_media_h *mediah,
+		  mnat_update_h *updateh)
+{
+	struct mnat *mnat;
+
+	if (!mnatp || !id || !sessh || !mediah)
+		return EINVAL;
+
+	mnat = mem_zalloc(sizeof(*mnat), destructor);
+	if (!mnat)
+		return ENOMEM;
+
+	list_append(&mnatl, &mnat->le, mnat);
+
+	mnat->id      = id;
+	mnat->ftag    = ftag;
+	mnat->sessh   = sessh;
+	mnat->mediah  = mediah;
+	mnat->updateh = updateh;
+
+	info("medianat: %s\n", id);
+
+	*mnatp = mnat;
+
+	return 0;
+}
+
+
+/**
+ * Find a Media NAT module by name
+ *
+ * @param id Name of the Media NAT module to find
+ *
+ * @return Matching Media NAT module if found, otherwise NULL
+ */
+const struct mnat *mnat_find(const char *id)
+{
+	struct mnat *mnat;
+	struct le *le;
+
+	for (le=mnatl.head; le; le=le->next) {
+
+		mnat = le->data;
+
+		if (str_casecmp(mnat->id, id))
+			continue;
+
+		return mnat;
+	}
+
+	return NULL;
+}