[HICN-252] Add per-application policy framework to hicn-light forwarder

Change-Id: I0531cd7a7de179581295ae34766c81cd9cf3e172
Signed-off-by: Jordan Augé <jordan.auge+fdio@cisco.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Co-authored-by: Mauro Sardara <msardara@cisco.com>

1 files changed, 177 insertions, 0 deletions

diff --git a/ctrl/facemgr/src/face.h b/ctrl/facemgr/src/face.h
new file mode 100644
index 000000000..8b553f685
--- /dev/null
+++ b/ctrl/facemgr/src/face.h
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2017-2019 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 face.h
+ * \brief Face abstraction
+ */
+#ifndef HICN_FACE_H
+#define HICN_FACE_H
+
+#ifndef SPACES
+#define SPACES(x) x
+#endif
+#ifndef SPACE
+#define SPACE 1
+#endif
+#ifndef NULLTERM
+#define NULLTERM 1
+#endif
+
+#include "util/ip_address.h"
+#include "util/policy.h"
+#include "util/types.h"
+
+
+/* Netdevice type */
+
+#include <net/if.h> // IFNAMSIZ
+
+#define foreach_netdevice_type  \
+    _(UNDEFINED)                \
+    _(WIRED)                    \
+    _(WIFI)                     \
+    _(CELLULAR)                 \
+    _(VPN)                      \
+    _(N)
+
+#define MAXSZ_NETDEVICE_TYPE_ 9
+#define MAXSZ_NETDEVICE_TYPE MAXSZ_NETDEVICE_TYPE_ + NULLTERM
+
+typedef enum {
+#define _(x) NETDEVICE_TYPE_ ## x,
+foreach_netdevice_type
+#undef _
+} netdevice_type_t;
+
+extern const char * netdevice_type_str[];
+
+
+/* Netdevice */
+
+typedef struct {
+    u32 index;
+    char name[IFNAMSIZ];
+} netdevice_t;
+
+#define NETDEVICE_UNDEFINED_INDEX 0
+
+/* Face state */
+
+#define foreach_face_state      \
+    _(UNDEFINED)                \
+    _(PENDING_UP)               \
+    _(UP)                       \
+    _(PENDING_DOWN)             \
+    _(DOWN)                     \
+    _(ERROR)                    \
+    _(N)
+
+#define MAXSZ_FACE_STATE_ 12
+#define MAXSZ_FACE_STATE MAXSZ_FACE_STATE_ + 1
+
+typedef enum {
+#define _(x) FACE_STATE_ ## x,
+foreach_face_state
+#undef _
+} face_state_t;
+
+extern const char * face_state_str[];
+
+
+/* Face type */
+
+#define foreach_face_type       \
+    _(UNDEFINED)                \
+    _(HICN)                     \
+    _(HICN_LISTENER)            \
+    _(TCP)                      \
+    _(TCP_LISTENER)             \
+    _(UDP)                      \
+    _(UDP_LISTENER)             \
+    _(N)
+
+#define MAXSZ_FACE_TYPE_ 13
+#define MAXSZ_FACE_TYPE MAXSZ_FACE_TYPE_  + 1
+
+typedef enum {
+#define _(x) FACE_TYPE_ ## x,
+foreach_face_type
+#undef _
+} face_type_t;
+
+extern const char * face_type_str[];
+
+#define MAXSZ_FACE_ MAXSZ_FACE_TYPE_ + 2 * MAXSZ_IP_ADDRESS_ + 2 * MAXSZ_PORT_ + 9 + MAXSZ_POLICY_TAGS_
+#define MAXSZ_FACE MAXSZ_FACE_ + 1
+
+/* Face */
+
+typedef union {
+    int family; /* To access family independently of face type */
+    struct {
+        int family;
+        netdevice_t netdevice;
+        ip_address_t local_addr;
+        ip_address_t remote_addr;
+    } hicn;
+    struct {
+        int family;
+        ip_address_t local_addr;
+        u16 local_port;
+        ip_address_t remote_addr;
+        u16 remote_port;
+    } tunnel;
+} face_params_t;
+
+typedef struct {
+    face_type_t type;
+    face_params_t params;
+    face_state_t admin_state;
+    face_state_t state;
+#ifdef WITH_POLICY
+    policy_tags_t tags; /**< \see policy_tag_t */
+#endif /* WITH_POLICY */
+} face_t;
+
+int face_initialize(face_t * face);
+int face_initialize_udp(face_t * face, const ip_address_t * local_addr,
+        u16 local_port, const ip_address_t * remote_addr, u16 remote_port,
+        int family);
+int face_initialize_udp_sa(face_t * face,
+        const struct sockaddr * local_addr, const struct sockaddr * remote_addr);
+
+face_t * face_create();
+face_t * face_create_udp(const ip_address_t * local_addr, u16 local_port,
+        const ip_address_t * remote_addr, u16 remote_port, int family);
+face_t * face_create_udp_sa(const struct sockaddr * local_addr,
+        const struct sockaddr * remote_addr);
+
+int face_finalize(face_t * face);
+
+void face_free(face_t * face);
+
+typedef int (*face_cmp_t)(const face_t * f1, const face_t * f2);
+
+int face_cmp(const face_t * f1, const face_t * f2);
+hash_t face_hash(const face_t * face);
+
+size_t
+face_snprintf(char * s, size_t size, const face_t * face);
+
+int face_set_tags(face_t * face, policy_tags_t tags);
+
+#endif /* HICN_FACE_H */
+