This is the first commit of the hicn projectv19.01

Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/hicn-light/src/messenger/missiveType.h b/hicn-light/src/messenger/missiveType.h
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+/*
+ * 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 missiveType
+ * @brief Defines what a Missive represents
+ *
+ * Currently, missives only carry information about the state of a connection
+ * (created, up, down, closed, destroyed).
+ *
+ */
+
+#ifndef missiveType_h
+#define missiveType_h
+
+/**
+ * @typedef Represents the state of a connection
+ * @abstract CREATE is the initial state.  UP & DOWN are recurrent states.
+ * CLOSED is transient.  DESTROYED is the terminal state.
+ * @constant MissiveType_ConnectionCreate    Connection created (new)
+ * @constant MissiveType_ConnectionUp        Connection is active and passing
+ * data
+ * @constant MissiveType_ConnectionDown      Connection is inactive and cannot
+ * pass data
+ * @constant MissiveType_ConnectionClosed    Connection closed and will be
+ * destroyed
+ * @constant MissiveType_ConnectionDestroyed Connection destroyed
+ * @discussion State transitions:
+ *                initial   -> CREATE
+ *                CREATE    -> (UP | DOWN)
+ *                UP        -> (DOWN | DESTROYED)
+ *                DOWN      -> (UP | CLOSED | DESTROYED)
+ *                CLOSED    -> DESTROYED
+ *                DESTROYED -> terminal
+ */
+typedef enum {
+  MissiveType_ConnectionCreate,
+  MissiveType_ConnectionUp,
+  MissiveType_ConnectionDown,
+  MissiveType_ConnectionClosed,
+  MissiveType_ConnectionDestroyed
+} MissiveType;
+#endif  // missiveType_h