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path: root/src/core/transport/amqp/sender/axis2_amqp_sender.c
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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.
 */

#include <axiom_soap.h>
#include <axis2_transport_in_desc.h>
#include <axis2_amqp_defines.h>
#include <axis2_amqp_util.h>
#include <axis2_amqp_receiver.h>
#include <axis2_amqp_sender.h>

static const axis2_transport_sender_ops_t amqp_sender_ops =
{
    axis2_amqp_sender_init,
    axis2_amqp_sender_invoke,
    axis2_amqp_sender_clean_up,
    axis2_amqp_sender_free
};

AXIS2_EXTERN axis2_transport_sender_t* AXIS2_CALL
axis2_amqp_sender_create(
    const axutil_env_t* env)
{
    AXIS2_ENV_CHECK(env, NULL);

    axis2_amqp_sender_resource_pack_t* sender_resource_pack = NULL;

    sender_resource_pack = (axis2_amqp_sender_resource_pack_t*)AXIS2_MALLOC(env->allocator,
        sizeof(axis2_amqp_sender_resource_pack_t));

    if(!sender_resource_pack)
    {
        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
        return NULL;
    }

    sender_resource_pack->sender.ops = &amqp_sender_ops;
    sender_resource_pack->conf_ctx = NULL;

    return &(sender_resource_pack->sender);
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_amqp_sender_init(
    axis2_transport_sender_t* sender,
    const axutil_env_t* env,
    axis2_conf_ctx_t* conf_ctx,
    axis2_transport_out_desc_t* out_desc)
{
    axis2_amqp_sender_resource_pack_t* sender_resource_pack = NULL;
    axutil_property_t* property = NULL;
    int* request_timeout = (int*)AXIS2_MALLOC(env->allocator, sizeof(int));
    *request_timeout = AXIS2_QPID_NULL_CONF_INT;

    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);

    sender_resource_pack = AXIS2_AMQP_SENDER_TO_RESOURCE_PACK(sender);
    sender_resource_pack->conf_ctx = conf_ctx;

    /* Set request timeout */
    *request_timeout = axis2_amqp_util_get_out_desc_conf_value_int(out_desc, env,
        AXIS2_AMQP_CONF_QPID_REQUEST_TIMEOUT);
    if(*request_timeout == AXIS2_QPID_NULL_CONF_INT)
    {
        *request_timeout = AXIS2_QPID_DEFAULT_REQUEST_TIMEOUT;
    }
    property = axutil_property_create_with_args(env, AXIS2_SCOPE_APPLICATION, 0, 0,
        (void*)request_timeout);
    axis2_conf_ctx_set_property(sender_resource_pack->conf_ctx, env,
        AXIS2_AMQP_CONF_CTX_PROPERTY_REQUEST_TIMEOUT, property);

    return AXIS2_SUCCESS;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_amqp_sender_invoke(
    axis2_transport_sender_t* sender,
    const axutil_env_t* env,
    axis2_msg_ctx_t* msg_ctx)
{
    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, msg_ctx, AXIS2_FAILURE);

    axiom_soap_envelope_t* request_soap_envelope = NULL;
    axiom_xml_writer_t* xml_writer = NULL;
    axiom_output_t* request_om_output = NULL;
    axis2_char_t* request_content = NULL;
    axis2_bool_t is_server = AXIS2_TRUE;
    axis2_bool_t is_soap_11 = AXIS2_FALSE;
    axutil_string_t* content_type = NULL;
    const axis2_char_t* soap_action = NULL;
    axis2_bool_t do_mtom = AXIS2_FALSE;
    axis2_bool_t status = AXIS2_FAILURE;

    request_soap_envelope = axis2_msg_ctx_get_soap_envelope(msg_ctx, env);

    xml_writer = axiom_xml_writer_create_for_memory(env, NULL, AXIS2_TRUE, 0,
        AXIS2_XML_PARSER_TYPE_BUFFER);
    if(!xml_writer)
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to Create XML Writer");
        return AXIS2_FAILURE;
    }

    request_om_output = axiom_output_create(env, xml_writer);
    if(!request_om_output)
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to Create OM Output");
        axiom_xml_writer_free(xml_writer, env);
        xml_writer = NULL;
        return AXIS2_FAILURE;
    }

    is_soap_11 = axis2_msg_ctx_get_is_soap_11(msg_ctx, env);

    /* Set SOAP version */
    axiom_output_set_soap11(request_om_output, env, is_soap_11);

    /* Content-Type */
    if(AXIS2_TRUE == is_soap_11)
    {
        /* SOAP1.1 */
        content_type = axutil_string_create(env, AXIS2_AMQP_HEADER_ACCEPT_TEXT_XML);
    }
    else
    {
        /* SOAP1.2 */
        content_type = axutil_string_create(env, AXIS2_AMQP_HEADER_ACCEPT_APPL_SOAP);
    }

    /* SOAP action */
    soap_action = axutil_string_get_buffer(axis2_msg_ctx_get_soap_action(msg_ctx, env), env);

    if(!soap_action)
        soap_action = "";

    /* Handle MTOM */
    do_mtom = axis2_msg_ctx_get_doing_mtom(msg_ctx, env);

    axiom_output_set_do_optimize(request_om_output, env, do_mtom);
    axiom_soap_envelope_serialize(request_soap_envelope, env, request_om_output, AXIS2_FALSE);

    if(do_mtom)
    {
        axis2_status_t mtom_status = AXIS2_FAILURE;
        axutil_array_list_t* mime_parts = NULL;

        mtom_status = axiom_output_flush(request_om_output, env);

        if(mtom_status == AXIS2_SUCCESS)
        {
            mime_parts = axiom_output_get_mime_parts(request_om_output, env);
            if(!mime_parts)
            {
                AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
                    "Unable to create the mime part list from request_om_output");

                return AXIS2_FAILURE;
            }
            else
            {
                axis2_msg_ctx_set_mime_parts(msg_ctx, env, mime_parts);
            }
        }

        content_type = axutil_string_create(env, axiom_output_get_content_type(request_om_output,
            env));
    }

    request_content = (axis2_char_t*)axiom_xml_writer_get_xml(xml_writer, env);
    if(!request_content)
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "Failed to Serialize the SOAP Envelope");
        return AXIS2_FAILURE;
    }

    is_server = axis2_amqp_util_msg_ctx_get_server_side(msg_ctx, env);

    if(is_server)
    {
        status = axis2_qpid_send(request_content, env, axutil_string_get_buffer(content_type, env),
            soap_action, msg_ctx);
    }
    else
    {
        if(AXIS2_TRUE == axis2_amqp_util_msg_ctx_get_use_separate_listener(msg_ctx, env)) /* Dual Channel */
        {
            status = axis2_qpid_send(request_content, env, axutil_string_get_buffer(content_type,
                env), soap_action, msg_ctx);
        }
        else
        {
            axis2_op_t* op = NULL;
            const axis2_char_t* mep = NULL;

            op = axis2_msg_ctx_get_op(msg_ctx, env);

            if(op)
            {
                mep = axis2_op_get_msg_exchange_pattern(op, env);
            }

            axis2_amqp_response_t* response = NULL;
            response = axis2_qpid_send_receive(request_content, env, axutil_string_get_buffer(
                content_type, env), soap_action, msg_ctx);

            if(response)
            {
                /* Create in stream */
                if(response->data)
                {
                    axutil_stream_t* in_stream = NULL;
                    axutil_property_t* property = NULL;

                    in_stream = axutil_stream_create_basic(env);
                    axutil_stream_write(in_stream, env, response->data, response->length);

                    property = axutil_property_create(env);
                    axutil_property_set_scope(property, env, AXIS2_SCOPE_REQUEST);
                    axutil_property_set_free_func(property, env, axutil_stream_free_void_arg);
                    axutil_property_set_value(property, env, in_stream);

                    axis2_msg_ctx_set_property(msg_ctx, env, AXIS2_TRANSPORT_IN, property);
                }

                if(mep)
                {
                    if(0 == axutil_strcmp(mep, AXIS2_MEP_URI_OUT_IN)) /* Out-In */
                    {
                        axiom_soap_envelope_t* response_soap_envelope = NULL;

                        response_soap_envelope = axis2_amqp_util_get_soap_envelope(response, env,
                            msg_ctx);
                        if(response_soap_envelope)
                        {
                            axis2_msg_ctx_set_response_soap_envelope(msg_ctx, env,
                                response_soap_envelope);
                        }
                    }
                }

                status = AXIS2_SUCCESS;

                axis2_msg_ctx_set_status_code(msg_ctx, env, status);

                axis2_amqp_response_free(response, env);
            }
            else
            {
                if(mep)
                {
                    if(axutil_strcmp(mep, AXIS2_MEP_URI_OUT_ONLY) == 0 || axutil_strcmp(mep,
                        AXIS2_MEP_URI_ROBUST_OUT_ONLY) == 0) /* One-way */
                    {
                        status = AXIS2_SUCCESS;

                        /* Set status code in msg_ctx */
                        axis2_msg_ctx_set_status_code(msg_ctx, env, status);
                    }
                }
            }
        }
    }

    if(content_type)
        axutil_string_free(content_type, env);

    return status;
}

AXIS2_EXTERN axis2_status_t AXIS2_CALL
axis2_amqp_sender_clean_up(
    axis2_transport_sender_t* sender,
    const axutil_env_t* env,
    axis2_msg_ctx_t* msg_ctx)
{
    return AXIS2_SUCCESS;
}

AXIS2_EXTERN void AXIS2_CALL
axis2_amqp_sender_free(
    axis2_transport_sender_t* sender,
    const axutil_env_t* env)
{
    AXIS2_ENV_CHECK(env, void);

    axis2_amqp_sender_resource_pack_t* sender_resource_pack = NULL;
    sender_resource_pack = AXIS2_AMQP_SENDER_TO_RESOURCE_PACK(sender);

    AXIS2_FREE(env->allocator, sender_resource_pack);
}

/* Library Exports */

AXIS2_EXPORT int
#ifndef AXIS2_STATIC_DEPLOY
axis2_get_instance(
#else
    axis2_amqp_sender_get_instance(
#endif
    struct axis2_transport_sender** inst,
    const axutil_env_t* env)
{
    int status = AXIS2_SUCCESS;

    *inst = axis2_amqp_sender_create(env);
    if(!(*inst))
    {
        status = AXIS2_FAILURE;
    }

    return status;
}

AXIS2_EXPORT int
#ifndef AXIS2_STATIC_DEPLOY
axis2_remove_instance(
#else
    axis2_amqp_sender_remove_instance(
#endif
    axis2_transport_sender_t* inst,
    const axutil_env_t* env)
{
    if(inst)
    {
        axis2_transport_sender_free(inst, env);
    }

    return AXIS2_SUCCESS;
}