add generic datagram socket infrastructure and examples

This patch adds new datagram socket infrastructure and it reworks
the previous examples (now it's LAPD over datagram).

1 files changed, 47 insertions, 0 deletions

diff --git a/include/osmocom/netif/datagram.h b/include/osmocom/netif/datagram.h
new file mode 100644
index 0000000..abda79b
--- /dev/null
+++ b/include/osmocom/netif/datagram.h
@@ -0,0 +1,47 @@
+#ifndef _OSMO_DGRAM_H_
+#define _OSMO_DGRAM_H_
+
+struct datagram_client_conn;
+
+struct datagram_client_conn *datagram_client_conn_create(void *ctx);
+void datagram_client_conn_destroy(struct datagram_client_conn *conn);
+
+void datagram_client_conn_set_addr(struct datagram_client_conn *conn, const char *addr);
+void datagram_client_conn_set_port(struct datagram_client_conn *conn, uint16_t port);
+void datagram_client_conn_set_data(struct datagram_client_conn *conn, void *data);
+
+int datagram_client_conn_open(struct datagram_client_conn *conn);
+void datagram_client_conn_close(struct datagram_client_conn *conn);
+
+void datagram_client_conn_send(struct datagram_client_conn *conn, struct msgb *msg);
+
+struct datagram_server_conn;
+
+struct datagram_server_conn *datagram_server_conn_create(void *ctx);
+
+void datagram_server_conn_set_addr(struct datagram_server_conn *conn, const char *addr);
+void datagram_server_conn_set_port(struct datagram_server_conn *conn, uint16_t port);
+void datagram_server_conn_set_read_cb(struct datagram_server_conn *conn, int (*read_cb)(struct datagram_server_conn *conn, struct msgb *msg));
+void datagram_server_conn_destroy(struct datagram_server_conn *conn);
+
+int datagram_server_conn_open(struct datagram_server_conn *conn);
+void datagram_server_conn_close(struct datagram_server_conn *conn);
+
+struct datagram_conn;
+
+struct datagram_conn *datagram_conn_create(void *ctx);
+void datagram_conn_destroy(struct datagram_conn *conn);
+
+int datagram_conn_open(struct datagram_conn *conn);
+void datagram_conn_close(struct datagram_conn *conn);
+
+void datagram_conn_set_local_addr(struct datagram_conn *conn, const char *addr);
+void datagram_conn_set_remote_addr(struct datagram_conn *conn, const char *addr);
+void datagram_conn_set_local_port(struct datagram_conn *conn, uint16_t port);
+void datagram_conn_set_remote_port(struct datagram_conn *conn, uint16_t port);
+void datagram_conn_set_read_cb(struct datagram_conn *conn, int (*read_cb)(struct datagram_server_conn *conn, struct msgb *msg));
+void datagram_conn_set_data(struct datagram_client_conn *conn, void *data);
+
+void datagram_conn_send(struct datagram_conn *conn, struct msgb *msg);
+
+#endif