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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.
*/
/**
*/
#ifndef connectionTable_h
#define connectionTable_h
#include <src/core/connection.h>
#include <src/core/connectionList.h>
#include <src/io/addressPair.h>
#include <src/io/ioOperations.h>
struct connection_table;
typedef struct connection_table ConnectionTable;
/**
* Creates an empty connection table
*/
ConnectionTable *connectionTable_Create(void);
/**
* Destroys the connection table
* This will release the reference to all connections stored in the connection
* table.
* @param [in,out] conntablePtr Pointer to the allocated connection table, will
* be NULL'd
*/
void connectionTable_Destroy(ConnectionTable **conntablePtr);
/**
* @function connectionTable_Add
* @abstract Add a connection, takes ownership of memory
*/
void connectionTable_Add(ConnectionTable *table, Connection *connection);
/**
* @function connectionTable_Remove
* @abstract Removes the connection, calling Destroy on our copy
*/
void connectionTable_Remove(ConnectionTable *table,
const Connection *connection);
/**
* Removes a connection from the connection table
*
* Looks up a connection by its connection ID and removes it from the connection
* table. Removing the connection will call connection_Release() on the
* connection object.
*
* @param [in] table The allocated connection table
* @param [in] id The connection ID
*/
void connectionTable_RemoveById(ConnectionTable *table, unsigned id);
/**
* Lookup a connection by the (local, remote) addres pair
*
* @param [in] table The allocated connection table
* @param [in] pair The address pair to match, based on the inner values of the
* local and remote addresses
*
* @retval non-null The matched conneciton
* @retval null No match found or error
*/
const Connection *connectionTable_FindByAddressPair(ConnectionTable *table,
const AddressPair *pair);
/**
* @function connectionTable_FindById
* @abstract Find a connection by its numeric id.
* @return NULL if not found
*/
const Connection *connectionTable_FindById(ConnectionTable *table, unsigned id);
/**
* @function connectionTable_GetEntries
* @abstract Returns a list of connections. They are reference counted copies
* from the table.
* @discussion
* An allocated list of connections in the table. Each list entry is a
* reference counted copy of the connection in the table, thus they are "live"
* objects.
*/
ConnectionList *connectionTable_GetEntries(const ConnectionTable *table);
#endif // connectionTable_h
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