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Diffstat (limited to 'hicn-light/src/config/symbolicNameTable.h')
-rwxr-xr-x | hicn-light/src/config/symbolicNameTable.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/hicn-light/src/config/symbolicNameTable.h b/hicn-light/src/config/symbolicNameTable.h new file mode 100755 index 000000000..69919cf00 --- /dev/null +++ b/hicn-light/src/config/symbolicNameTable.h @@ -0,0 +1,131 @@ +/* + * 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 symbolicNameTable.h + * @brief The symbolic name table maps a string name to a connection id + * + * When configuring tunnels/connections, the user provides a string name + * (symbolic name) that they will use to refer to that connection. The symblic + * name table translates that symbolic name to a connection id. + * + */ + +#ifndef symbolicNameTable_h +#define symbolicNameTable_h + +struct symblic_name_table; +typedef struct symblic_name_table SymbolicNameTable; + +#include <stdbool.h> + +/** + * Creates a symbolic name table + * + * Allocates a SymbolicNameTable, which will store the symbolic names + * in a hash table. + * + * @retval non-null An allocated SymbolicNameTable + * @retval null An error + * + * Example: + * @code + * <#example#> + * @endcode + */ +SymbolicNameTable *symbolicNameTable_Create(void); + +/** + * Destroys a name table + * + * All keys and data are released. + * + * @param [in,out] tablePtr A pointer to a SymbolicNameTable, which will be + * NULL'd + * + * Example: + * @code + * <#example#> + * @endcode + */ +void symbolicNameTable_Destroy(SymbolicNameTable **tablePtr); + +/** + * Checks if the name (case insensitive) is in the table + * + * Does a case-insensitive match to see if the name is in the table + * + * @param [in] table An allocated SymbolicNameTable + * @param [in] symbolicName The name to check for + * + * @retval true The name is in the table + * @retval false The name is not in the talbe + * + * Example: + * @code + * <#example#> + * @endcode + */ +bool symbolicNameTable_Exists(SymbolicNameTable *table, + const char *symbolicName); + +/** + * Adds a (name, connid) pair to the table. + * + * The name is stored case insensitive. The value UINT_MAX is used to indicate + * a non-existent key, so it should not be stored as a value in the table. + * + * @param [in] table An allocated SymbolicNameTable + * @param [in] symbolicName The name to save (will make a copy) + * @param [in] connid The connection id to associate with the name + * + * @retval true The pair was added + * @retval false The pair was not added (likely duplicate key) + * + * Example: + * @code + * <#example#> + * @endcode + */ +bool symbolicNameTable_Add(SymbolicNameTable *table, const char *symbolicName, + unsigned connid); + +/** + * Returns the connection id associated with the symbolic name + * + * This function will look for the given name (case insensitive) and return the + * corresponding connid. If the name is not in the table, the function will + * return UINT_MAX. + * + * @param [in] table An allocated SymbolicNameTable + * @param [in] symbolicName The name to retrieve + * + * @retval UINT_MAX symbolicName not found + * @retval number the corresponding connid. + * + * Example: + * @code + * <#example#> + * @endcode + */ +unsigned symbolicNameTable_Get(SymbolicNameTable *table, + const char *symbolicName); + +void symbolicNameTable_Remove(SymbolicNameTable *table, + const char *symbolicName); +const char *symbolicNameTable_GetNameByIndex(SymbolicNameTable *table, + unsigned id); + +#endif /* defined(symbolicNameTable_h) */ |