Initial support of SMPP interface for MT-SMS

1 files changed, 52 insertions, 0 deletions

diff --git a/openbsc/src/libmsc/smpp_smsc.h b/openbsc/src/libmsc/smpp_smsc.h
new file mode 100644
index 000000000..500fbc35a
--- /dev/null
+++ b/openbsc/src/libmsc/smpp_smsc.h
@@ -0,0 +1,52 @@
+#ifndef _SMPP_SMSC_H
+#define _SMPP_SMSC_H
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/write_queue.h>
+
+#include <smpp34.h>
+#include <smpp34_structs.h>
+#include <smpp34_params.h>
+
+enum esme_read_state {
+	READ_ST_IN_LEN = 0,
+	READ_ST_IN_MSG = 1,
+};
+
+struct osmo_esme {
+	struct llist_head list;
+	struct smsc *smsc;
+
+	struct osmo_wqueue wqueue;
+	struct sockaddr_storage sa;
+	socklen_t sa_len;
+
+	enum esme_read_state read_state;
+	uint32_t read_len;
+	uint32_t read_idx;
+	struct msgb *read_msg;
+
+	uint8_t smpp_version;
+	char system_id[16+1];
+
+	uint8_t bind_flags;
+};
+
+struct smsc {
+	struct osmo_fd listen_ofd;
+	struct llist_head esme_list;
+	char system_id[16+1];
+	void *priv;
+};
+
+
+int smpp_smsc_init(struct smsc *smsc, uint16_t port);
+
+int handle_smpp_submit(struct osmo_esme *esme, struct submit_sm_t *submit,
+			struct submit_sm_resp_t *submit_r);
+
+#endif