/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 AXIS2_SVR_CALLBACK_H
#define AXIS2_SVR_CALLBACK_H

/** @defgroup axis2_svr_callback server callback
 * @ingroup axis2_svc_api
 * @{
 */

/**
 * @file axis2_svr_callback.h
 * @brief axis Server Callback interface
 */

#ifdef __cplusplus
extern "C"
{
#endif

#include <axis2_defines.h>
#include <axis2_const.h>
#include <axis2_msg_ctx.h>

    /** Type name for struct axis2_svr_callback_ops */
    typedef struct axis2_svr_callback_ops axis2_svr_callback_ops_t;
    /** Type name for struct axis2_svr_callback */
    typedef struct axis2_svr_callback axis2_svr_callback_t;

    /**
     * service callback ops struct
     * Encapsulator struct for ops of axis2_svr_callback
     */
    struct axis2_svr_callback_ops
    {
        /**
         * Deallocate memory
         * @param svr_callback pointer to server callback struct
         * @param env pointer to environment struct
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                free)(
                    axis2_svr_callback_t *svr_callback,
                    const axis2_env_t *env);

        /**
         * Handle result
         * @param svr_callback pointer to server callback struct
         * @param env pointer to environment struct
         * @param msg_ctx pointer to message context
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                handle_result)(
                    axis2_svr_callback_t *svr_callback,
                    const axis2_env_t *env,
                    axis2_msg_ctx_t *msg_ctx);

        /**
         * Handle fault
         * @param svr_callback pointer to server callback struct
         * @param env pointer to environment struct
         * @param msg_ctx pointer to message context
         * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
         */
        axis2_status_t (AXIS2_CALL *
                handle_fault)(
                    axis2_svr_callback_t *svr_callback,
                    const axis2_env_t *env,
                    axis2_msg_ctx_t *msg_ctx);
    };

    /**
     * server callback struct
     */
    struct axis2_svr_callback
    {
        /** operations of server callback */
        axis2_svr_callback_ops_t *ops;
    };

    /**
     * Create Server Callback struct
     * @param env pointer to environment struct
     * @return newly created server callback object
     */
    AXIS2_EXTERN axis2_svr_callback_t *AXIS2_CALL
    axis2_svr_callback_create(
        const axis2_env_t *env);

/************************** Start of function macros **************************/

/** Frees server callback.
    @sa axis2_svr_callback_ops#free */
#define AXIS2_SVR_CALLBACK_FREE(svr_callback, env) \
        ((svr_callback)->ops->free (svr_callback, env))

/** Handler result.
    @sa axis2_svr_callback_ops#handle-result */
#define AXIS2_SVR_CALLBACK_HANDLER_RESULT(svr_callback, env, msg_ctx) \
      ((svr_callback)->ops->handle_result (svr_callback, env, msg_ctx))

/** Handler fault.
    @sa axis2_svr_callback_ops#handle_fault */
#define AXIS2_SVR_CALLBACK_HANDLER_FAULT(svr_callback, env, msg_ctx) \
      ((svr_callback)->ops->handle_fault (svr_callback, env, msg_ctx))

/************************** End of function macros ****************************/

/** @} */
#ifdef __cplusplus
}
#endif

#endif                          /* AXIS2_SVR_CALLBACK_H */