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124 lines
3.7 KiB
124 lines
3.7 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2021, Sangoma Technologies Corporation
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*
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* Kevin Harwell <kharwell@sangoma.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#ifndef RES_AEAP_TRANSACTION_H
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#define RES_AEAP_TRANSACTION_H
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#include "asterisk/res_aeap.h"
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struct ao2_container;
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struct ast_aeap_tsx_params;
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struct aeap_transaction;
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/*!
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* \brief Create an Asterisk external application transactions container
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*
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* \returns A transaction object, or NULL on error
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*/
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struct ao2_container *aeap_transactions_create(void);
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/*!
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* \brief Create a transaction object, and add it to the given container
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*
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* \param transactions A transactions container
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* \param id An id to use for the transaction
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* \param params Transaction parameters
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* \param aeap The aeap object that "owns" this transaction
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*
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* \returns 0 if successfully create and added, -1 on error
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*/
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struct aeap_transaction *aeap_transaction_create_and_add(struct ao2_container *transactions,
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const char *id, struct ast_aeap_tsx_params *params, struct ast_aeap *aeap);
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/*!
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* \brief Clean up parameter references, and possibly call optional user object cleanup
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*
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* \param params Transaction parameters
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*/
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void aeap_transaction_params_cleanup(struct ast_aeap_tsx_params *params);
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/*!
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* \brief Retrieve a transaction for the id from the container
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*
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* \param transactions A transactions container
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* \param id A transaction id
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*
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* \returns an AEAP transaction object, NULL if no transaction is found
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*/
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struct aeap_transaction *aeap_transaction_get(struct ao2_container *transactions,
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const char *id);
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/*!
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* \brief Start the transaction
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*
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* \param tsx The transaction to initiate
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*
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* \returns 0 if successfully raised, and handled. Otherwise non zero.
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*/
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int aeap_transaction_start(struct aeap_transaction *tsx);
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/*!
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* \brief End a transaction, and remove it from the given container
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*
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* The "result" parameter is a value representing the state (success/failure,
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* perhaps even something else) of transactional processing upon ending.
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*
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* \param tsx A transaction to end
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* \param result A result to give to the transaction
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*/
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void aeap_transaction_end(struct aeap_transaction *tsx, int result);
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/*!
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* \brief Get a transaction's result
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*
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* A transaction's result is a value that represents the relative success (0), or
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* failure (-1) of a transaction. For example, a timeout is considered a failure
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* and will elicit a -1.
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*
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* This value though is also dependent upon the result of the message handler
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* associated with the transaction. Meaning if an associated message is handled,
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* then its result is stored as the transaction result and returned here.
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*
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* \param tsx A transaction object
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*
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* \returns The transaction result
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*/
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int aeap_transaction_result(struct aeap_transaction *tsx);
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/*!
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* \brief Cancel the transaction timer
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*
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* Stops the transaction timer, but does not end/stop the transaction itself
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*
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* \param tsx A transaction to cancel the timer on
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*
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* \returns 0 if canceled, non zero otherwise
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*/
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int aeap_transaction_cancel_timer(struct aeap_transaction *tsx);
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/*!
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* \brief Retrieve the user object associated with the transaction
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*
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* \param tsx A transaction object
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*
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* \returns A user object, or NULL if non associated
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*/
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void *aeap_transaction_user_obj(struct aeap_transaction *tsx);
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#endif /* RES_AEAP_TRANSACTION_H */
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