1 files changed, 97 insertions, 0 deletions
diff --git a/hicn-light/src/hicn/core/listener.h b/hicn-light/src/hicn/core/listener.h
new file mode 100644
index 000000000..749e9b177
--- /dev/null
+++ b/hicn-light/src/hicn/core/listener.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2017-2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file listener.h
+ * @brief hICN listeners
+ */
+
+#ifndef HICNLIGHT_LISTENER_H
+#define HICNLIGHT_LISTENER_H
+
+#include <hicn/core/address_pair.h>
+#include <hicn/face.h>
+
+struct forwarder_s;
+struct batch_buffer_s;
+
+typedef struct {
+  address_t address;
+  face_type_t type;
+} listener_key_t;
+
+/* This structure holds what is in common to all listeners */
+typedef struct {
+    int id;
+    char * name;
+    union {
+        listener_key_t key;
+        struct {
+            address_t address;
+            face_type_t type;
+        };
+    };
+
+    char * interface_name;
+    unsigned interface_index;
+    unsigned family;
+    int fd;
+    void * data; /* Listener specific data */
+    struct forwarder_s * forwarder;
+} listener_t;
+
+#define listener_get_id(L) ((L)->id)
+#define listener_get_name(L) ((L)->name)
+#define listener_get_key(L) (&(L)->key)
+#define listener_get_type(L) ((L)->type)
+#define listener_get_interface_name(L) ((L)->interface_name)
+#define listener_get_interface_index(L) ((L)->interface_index)
+#define listener_get_address(L) (&(L)->address)
+
+#define listener_has_valid_type(L) \
+    (face_type_is_valid((L)->type))
+
+listener_t * listener_create(face_type_t type, const address_t * address,
+        const char * interface_name, const char * symbolic, struct forwarder_s * forwarder);
+
+int listener_initialize(listener_t * listener, face_type_t type, const char * name,
+        unsigned listener_id, const address_t * address,
+        const char * interface_name, struct forwarder_s * forwarder);
+
+int listener_finalize(listener_t * listener);
+
+int listener_punt(const listener_t * listener, const char * prefix_s);
+
+int listener_get_socket(const listener_t * listener, const address_t * local,
+        const address_t * remote, const char * interface_name);
+
+unsigned listener_create_connection(const listener_t * listener,
+        const address_pair_t * pair);
+
+void listener_setup_all(const struct forwarder_s * forwarder, uint16_t port, const char *localPath);
+
+void listener_setup_local_ipv4(const struct forwarder_s * forwarder,  uint16_t port);
+
+void listener_process_packet(const listener_t * listener,
+        const uint8_t * packet, size_t size);
+
+ssize_t listener_read_callback(struct forwarder_s * forwarder, listener_t * listener,
+        int fd, address_t * local_addr, uint8_t * packet, size_t size);
+
+void listener_batch_read_callback(struct forwarder_s * forwarder,
+        listener_t * listener, int fd, address_t * local_addr,
+        struct batch_buffer_s * bb);
+
+#endif /* HICNLIGHT_LISTENER_H */