/usr/include/axis2-1.6.0/axis2_handler.h is in libaxis2c-dev 1.6.0-6.
This file is owned by root:root, with mode 0o644.
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* 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_HANDLER_H
#define AXIS2_HANDLER_H
/**
* @defgroup axis2_handler handler
* @ingroup axis2_handler
* handler is the smallest unit of execution in the Axis2 engine's execution flow.
* The engine could have two flows, the in-flow and out-flow. A flow is a
* collection of phases and a phase in turn is a collection of handlers.
* handlers are configured in relation to modules. A module is a point of
* extension in the Axis2 engine and a module would have one or more handlers
* defined in its configuration. The module configuration defines the phases
* each handler is attached to. A handler is invoked when the phase within which
* it lives is invoked. handler is stateless and it is using the message context
* that the state information is captures across invocations.
* @{
*/
/**
* @file axis2_handler.h
*/
#include <axis2_defines.h>
#include <axutil_qname.h>
#include <axutil_param.h>
#ifdef __cplusplus
extern "C"
{
#endif
/** Type name for struct axis2_handler */
typedef struct axis2_handler axis2_handler_t;
struct axis2_handler_desc;
struct axis2_msg_ctx;
typedef axis2_status_t(
AXIS2_CALL
* AXIS2_HANDLER_INVOKE) (
axis2_handler_t * handler,
const axutil_env_t * env,
struct axis2_msg_ctx * msg_ctx);
/**
* Free handler struct.
* @param handler pointer to handler
* @param env pointer to environment struct
* @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
*/
AXIS2_EXTERN void AXIS2_CALL
axis2_handler_free(
axis2_handler_t * handler,
const axutil_env_t * env);
/**
* Initializes the handler with the information form handler description.
* @param handler pointer to handler
* @param env pointer to environment struct
* @param handler_desc pointer to handler description related to the handler
* @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
*/
AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_handler_init(
axis2_handler_t * handler,
const axutil_env_t * env,
struct axis2_handler_desc *handler_desc);
/**
* Invoke is called to do the actual work assigned to the handler.
* The phase that owns the handler is responsible for calling invoke
* on top of the handler. Those structs that implement the interface
* of the handler should implement the logic for invoke and assign the
* respective function pointer to invoke operation of the ops struct.
* @param handler pointer to handler
* @param env pointer to environment struct
* @param msg_ctx pointer to message context
* @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
*/
AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_handler_invoke(
axis2_handler_t * handler,
const axutil_env_t * env,
struct axis2_msg_ctx *msg_ctx);
/**
* Gets QName.
* @param handler pointer to handler
* @param env pointer to environment struct
* @return pointer to QName of the handler
*/
AXIS2_EXTERN const axutil_string_t *AXIS2_CALL
axis2_handler_get_name(
const axis2_handler_t * handler,
const axutil_env_t * env);
/**
* Gets the named parameter.
* @param handler pointer to handler
* @param env pointer to environment struct
* @param name name of the parameter to be accessed
*/
AXIS2_EXTERN axutil_param_t *AXIS2_CALL
axis2_handler_get_param(
const axis2_handler_t * handler,
const axutil_env_t * env,
const axis2_char_t * name);
/**
* Gets the handler description related to the handler.
* @param handler pointer to handler
* @param env pointer to environment struct
* @return pointer to handler description struct related to handler
*/
AXIS2_EXTERN struct axis2_handler_desc *AXIS2_CALL
axis2_handler_get_handler_desc(
const axis2_handler_t * handler,
const axutil_env_t * env);
AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_handler_set_invoke(
axis2_handler_t * handler,
const axutil_env_t * env,
AXIS2_HANDLER_INVOKE func);
/**
* Function pointer defining the creates syntax for a handler struct instance.
* @param env pointer to environment struct
* @param pointer to qname
* @return pointer to newly created handler struct
*/
typedef axis2_handler_t *(
AXIS2_CALL
* AXIS2_HANDLER_CREATE_FUNC)(
const axutil_env_t * env,
const axutil_string_t * name);
/**
* Creates handler struct instance.
* @param env pointer to environment struct
* @return pointer to newly created handler struct
*/
AXIS2_EXTERN axis2_handler_t *AXIS2_CALL
axis2_handler_create(
const axutil_env_t * env);
/**
* Creates a handler with invoke method implemented to fill in the service
* and operation context information.
* @param env pointer to environment struct
* @param qname pointer to qname, this is cloned within create method
* @return pointer to newly created handler struct
*/
AXIS2_EXTERN axis2_handler_t *AXIS2_CALL
axis2_ctx_handler_create(
const axutil_env_t * env,
const axutil_string_t * qname);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* AXIS2_HANDLER_H */
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