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+/*
+ * Copyright (c) 2017 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 parc_EventSocket.h
+ * @ingroup events
+ * @brief Socket events
+ *
+ * Provides a facade implementing many regularly available event functions.
+ * This is an interface that software implementors may use to substitute
+ * different kinds of underlying implementations of these event management functions.
+ * Notable examples are libevent and libev.
+ *
+ */
+#ifndef libparc_parc_EventSocket_h
+#define libparc_parc_EventSocket_h
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+/**
+ * Current implementation based on top of libevent2
+ */
+
+#include <parc/algol/parc_EventScheduler.h>
+#include <parc/algol/parc_Event.h>
+
+typedef struct PARCEventSocket PARCEventSocket;
+
+typedef void (PARCEventSocket_Callback)(int fd, struct sockaddr *address,
+ int socklen, void *user_data);
+typedef void (PARCEventSocket_ErrorCallback)(PARCEventScheduler *,
+ int error, char *errorString,
+ void *user_data);
+
+/**
+ * Create a socket event handler instance.
+ *
+ * The event instance is passed in.
+ *
+ * @param [in] parcEventScheduler the scheduler instance
+ * @param [in] callback the callback function.
+ * @param [in] errorCallback the error callback function.
+ * @param [in] userData pointer to private arguments for instance callback function
+ * @param [in] sa is the socket address to bind to (INET, INET6, LOCAL)
+ * @param [in] socklen is the sizeof the actual sockaddr (e.g. sizeof(sockaddr_un))
+ * @returns A pointer to a new PARCEventSocket instance.
+ *
+ * Example:
+ * @code
+ * {
+ * }
+ * @endcode
+ *
+ */
+PARCEventSocket *parcEventSocket_Create(PARCEventScheduler *parcEventScheduler,
+ PARCEventSocket_Callback *callback,
+ PARCEventSocket_ErrorCallback *errorCallback,
+ void *userData,
+ const struct sockaddr *sa, int socklen);
+
+/**
+ * Destroy a socket event handler instance.
+ *
+ * The event instance is passed in.
+ *
+ * @param [in] parcEventSocket the address of the instance to destroy.
+ *
+ * Example:
+ * @code
+ * {
+ * PARCEvent *event = parcEventSocket_Destroy(&parcEventSocket);
+ * }
+ * @endcode
+ *
+ */
+void parcEventSocket_Destroy(PARCEventSocket **parcEventSocket);
+
+/**
+ * Turn on debugging flags and messages
+ *
+ * Example:
+ * @code
+ * {
+ * parcEventSocket_EnableDebug();
+ * }
+ * @endcode
+ *
+ */
+void parcEventSocket_EnableDebug(void);
+
+/**
+ * Turn off debugging flags and messages
+ *
+ * Example:
+ * @code
+ * {
+ * parcEventSocket_DisableDebug();
+ * }
+ * @endcode
+ *
+ */
+void parcEventSocket_DisableDebug(void);
+#endif // libparc_parc_EventSocket_h