示例#1
0
char *
wsf_util_serialize_om (
    const axutil_env_t * env,
    axiom_node_t * ret_node)
{
    axiom_xml_writer_t *writer = NULL;
    axiom_output_t *om_output = NULL;
    axis2_char_t *buffer = NULL, *new_buffer = NULL;
    unsigned int buffer_len = 0;

    writer = axiom_xml_writer_create_for_memory (env, NULL, AXIS2_TRUE, 0,
             AXIS2_XML_PARSER_TYPE_BUFFER);
    om_output = axiom_output_create (env, writer);

    axiom_node_serialize (ret_node, env, om_output);
    buffer = (axis2_char_t *) axiom_xml_writer_get_xml (writer, env);
    buffer_len = axutil_strlen (buffer);

    new_buffer =
        AXIS2_MALLOC (env->allocator,
                      sizeof (axis2_char_t) * (buffer_len + 1));
    memcpy (new_buffer, buffer, buffer_len);
    new_buffer[buffer_len] = '\0';

    axiom_output_free(om_output, env);

    return new_buffer;
}
示例#2
0
文件: main.c 项目: Denisss025/wsfcpp
axis2_status_t AXIS2_CALL
om_node_serialize(
    axiom_node_t * node,
    const axutil_env_t * env)
{

    axiom_output_t *om_output = NULL;
    axiom_xml_writer_t *writer = NULL;
    axis2_char_t *output_buffer = NULL;
    axis2_status_t status = AXIS2_FAILURE;

    writer = axiom_xml_writer_create_for_memory(env, NULL, AXIS2_TRUE, 0,
                                                AXIS2_XML_PARSER_TYPE_BUFFER);
    om_output = axiom_output_create(env, writer);

    status = axiom_node_serialize(node, env, om_output);
    if (status != AXIS2_SUCCESS)
    {
        printf("\naxiom_node_serialize failed\n");
        return 0;
    }
    else
        printf("\naxiom_node_serialize success\n");
    /* end serializing stuff */

    /*axiom_node_free_tree(node1, env); */
    output_buffer = (axis2_char_t *) axiom_xml_writer_get_xml(writer, env);

    printf("\nend test_om_serialize\n");

}
axiom_node_t *
build_om_programatically(
    const axutil_env_t * env)
{
    axiom_node_t *version_om_node = NULL;
    axiom_element_t *version_om_ele = NULL;
    axiom_namespace_t *ns1 = NULL;

    axiom_xml_writer_t *xml_writer = NULL;
    axiom_output_t *om_output = NULL;
    axis2_char_t *buffer = NULL;

    ns1 =
        axiom_namespace_create(env, "urn:aewebservices71",
                               "ns1");

    version_om_ele =
        axiom_element_create(env, NULL, "GetVersion", ns1, &version_om_node);


    xml_writer =
        axiom_xml_writer_create_for_memory(env, NULL, AXIS2_FALSE, AXIS2_FALSE,
                                           AXIS2_XML_PARSER_TYPE_BUFFER);
    om_output = axiom_output_create(env, xml_writer);

    axiom_node_serialize(version_om_node, env, om_output);
    buffer = (axis2_char_t *) axiom_xml_writer_get_xml(xml_writer, env);
    AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "\nSending OM node in XML : %s \n",
                    buffer);
    if (om_output)
    {
        axiom_output_free(om_output, env);
        om_output = NULL;
    }

    axiom_namespace_free(ns1, env);
    return version_om_node;
}
示例#4
0
axis2_status_t AXIS2_CALL
axis2_libcurl_send(
    axis2_libcurl_t *data,
    axiom_output_t * om_output,
    const axutil_env_t * env,
    axis2_msg_ctx_t * msg_ctx,
    axiom_soap_envelope_t * out,
    const axis2_char_t * str_url,
    const axis2_char_t * soap_action)
{
    struct curl_slist *headers = NULL;
    axiom_soap_body_t *soap_body;
    axis2_bool_t is_soap = AXIS2_TRUE;
    axis2_bool_t send_via_get = AXIS2_FALSE;
    axis2_bool_t send_via_head = AXIS2_FALSE;
    axis2_bool_t send_via_put = AXIS2_FALSE;
    axis2_bool_t send_via_delete = AXIS2_FALSE;
    axis2_bool_t doing_mtom = AXIS2_FALSE;
    axiom_node_t *body_node = NULL;
    axiom_node_t *data_out = NULL;
    axutil_property_t *method = NULL;
    axis2_char_t *method_value = NULL;
    axiom_xml_writer_t *xml_writer = NULL;
    axis2_char_t *buffer = NULL;
    unsigned int buffer_size = 0;
    int content_length = -1;
    axis2_char_t *content_type = NULL;
    /*axis2_char_t *content_len = AXIS2_HTTP_HEADER_CONTENT_LENGTH_; */
    const axis2_char_t *char_set_enc = NULL;
    axis2_char_t *content = AXIS2_HTTP_HEADER_CONTENT_TYPE_;
    axis2_char_t *soap_action_header = AXIS2_HTTP_HEADER_SOAP_ACTION_;
    axutil_stream_t *in_stream;
    axutil_property_t *trans_in_property;
    axutil_string_t *char_set_enc_str;
    axis2_byte_t *output_stream = NULL;
    int output_stream_size = 0;
    CURL *handler;
    axis2_conf_ctx_t *conf_ctx = NULL;
    axis2_conf_t *conf = NULL;
    axis2_transport_out_desc_t *trans_desc = NULL;
    axutil_param_t *write_xml_declaration_param = NULL;
    axutil_hash_t *transport_attrs = NULL;
    axis2_bool_t write_xml_declaration = AXIS2_FALSE;
    axutil_property_t *property;
    int *response_length = NULL;
    axis2_http_status_line_t *status_line = NULL;
    axis2_char_t *status_line_str = NULL;
    axis2_char_t *tmp_strcat = NULL;
    int status_code = 0;

    AXIS2_PARAM_CHECK(env->error, data, AXIS2_FAILURE);
    AXIS2_PARAM_CHECK(env->error, data->handler, AXIS2_FAILURE);

    handler = data->handler;
    curl_easy_reset(handler);
    curl_easy_setopt(handler, CURLOPT_ERRORBUFFER, data->errorbuffer);
    headers = curl_slist_append(headers, AXIS2_HTTP_HEADER_USER_AGENT_AXIS2C);
    headers = curl_slist_append(headers, AXIS2_HTTP_HEADER_ACCEPT_);
    headers = curl_slist_append(headers, AXIS2_HTTP_HEADER_EXPECT_);

    if(AXIS2_FAILURE == axis2_libcurl_set_options(handler, env, msg_ctx))
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "[axis2libcurl]Setting options in Libcurl failed");
        return AXIS2_FAILURE;
    }

    if (AXIS2_TRUE == axis2_msg_ctx_get_doing_rest(msg_ctx, env))
    {
        is_soap = AXIS2_FALSE;
    }
    else
    {
        is_soap = AXIS2_TRUE;
    }

    if (!is_soap)
    {
        soap_body = axiom_soap_envelope_get_body(out, env);
        if (!soap_body)
        {
            AXIS2_HANDLE_ERROR(env,
                AXIS2_ERROR_SOAP_ENVELOPE_OR_SOAP_BODY_NULL,
                AXIS2_FAILURE);
            return AXIS2_FAILURE;
        }

        body_node = axiom_soap_body_get_base_node(soap_body, env);
        if (!body_node)
        {
            AXIS2_HANDLE_ERROR(env,
                AXIS2_ERROR_SOAP_ENVELOPE_OR_SOAP_BODY_NULL,
                AXIS2_FAILURE);

            return AXIS2_FAILURE;
        }
        data_out = axiom_node_get_first_element(body_node, env);

        method = (axutil_property_t *) axis2_msg_ctx_get_property(msg_ctx, env,
            AXIS2_HTTP_METHOD);

        if (method)
        {
            method_value =
            (axis2_char_t *) axutil_property_get_value(method, env);
        }

        /* The default is POST */
        if (method_value && 0 == axutil_strcmp(method_value, AXIS2_HTTP_GET))
        {
            send_via_get = AXIS2_TRUE;
        }
        else if (method_value && 0 == axutil_strcmp(method_value, AXIS2_HTTP_HEAD))
        {
            send_via_head = AXIS2_TRUE;
        }
        else if (method_value && 0 == axutil_strcmp(method_value, AXIS2_HTTP_PUT))
        {
            send_via_put = AXIS2_TRUE;
        }
        else if (method_value && 0 == axutil_strcmp(method_value, AXIS2_HTTP_DELETE))
        {
            send_via_delete = AXIS2_TRUE;
        }
    }

    conf_ctx = axis2_msg_ctx_get_conf_ctx (msg_ctx, env);
    if (conf_ctx)
    {
        conf = axis2_conf_ctx_get_conf (conf_ctx, env);
    }

    if (conf)
    {
        trans_desc = axis2_conf_get_transport_out (conf,
            env, AXIS2_TRANSPORT_ENUM_HTTP);
    }

    if (trans_desc)
    {
        write_xml_declaration_param =
        axutil_param_container_get_param
        (axis2_transport_out_desc_param_container (trans_desc, env), env,
            AXIS2_XML_DECLARATION);
    }

    if (write_xml_declaration_param)
    {
        transport_attrs =
        axutil_param_get_attributes (write_xml_declaration_param, env);
        if (transport_attrs)
        {
            axutil_generic_obj_t *obj = NULL;
            axiom_attribute_t *write_xml_declaration_attr = NULL;
            axis2_char_t *write_xml_declaration_attr_value = NULL;

            obj = axutil_hash_get (transport_attrs, AXIS2_ADD_XML_DECLARATION,
                AXIS2_HASH_KEY_STRING);
            if (obj)
            {
                write_xml_declaration_attr = (axiom_attribute_t *)
                axutil_generic_obj_get_value (obj,
                    env);
            }
            if (write_xml_declaration_attr)
            {
                write_xml_declaration_attr_value =
                axiom_attribute_get_value (write_xml_declaration_attr, env);
            }
            if (write_xml_declaration_attr_value &&
                0 == axutil_strcasecmp (write_xml_declaration_attr_value,
                    AXIS2_VALUE_TRUE))
            {
                write_xml_declaration = AXIS2_TRUE;
            }
        }
    }

    if (write_xml_declaration)
    {
        axiom_output_write_xml_version_encoding (om_output, env);
    }

    if (!send_via_get && !send_via_head && !send_via_delete)
    {
        xml_writer = axiom_output_get_xml_writer(om_output, env);

        char_set_enc_str = axis2_msg_ctx_get_charset_encoding(msg_ctx, env);

        if (!char_set_enc_str)
        {
            char_set_enc = AXIS2_DEFAULT_CHAR_SET_ENCODING;
        }
        else
        {
            char_set_enc = axutil_string_get_buffer(char_set_enc_str, env);
        }

        if (!send_via_put && is_soap)
        {
            doing_mtom = axis2_msg_ctx_get_doing_mtom(msg_ctx, env);

            axiom_output_set_do_optimize(om_output, env, doing_mtom);
            axiom_soap_envelope_serialize(out, env, om_output, AXIS2_FALSE);
            if (AXIS2_TRUE == axis2_msg_ctx_get_is_soap_11(msg_ctx, env))
            {
                if (AXIS2_ESC_DOUBLE_QUOTE != *soap_action)
                {
                    axis2_char_t *tmp_soap_action = NULL;
                    tmp_soap_action =
                    AXIS2_MALLOC(env->allocator,
                        (axutil_strlen(soap_action) +
                            5) * sizeof(axis2_char_t));
                    sprintf(tmp_soap_action, "\"%s\"", soap_action);
                    tmp_strcat = axutil_stracat(env, soap_action_header,tmp_soap_action);
                    headers = curl_slist_append(headers, tmp_strcat);
                    AXIS2_FREE(env->allocator, tmp_strcat);
                    AXIS2_FREE(env->allocator, tmp_soap_action);
                }
                else
                {
                    tmp_strcat = axutil_stracat(env, soap_action_header, soap_action);
                    headers = curl_slist_append(headers, tmp_strcat );
                    AXIS2_FREE(env->allocator, tmp_strcat);
                }
            }

            if (doing_mtom)
            {
                /*axiom_output_flush(om_output, env, &output_stream,
                 &output_stream_size);*/
                axiom_output_flush(om_output, env);
                content_type =
                (axis2_char_t *) axiom_output_get_content_type(om_output,
                    env);
                if (AXIS2_TRUE != axis2_msg_ctx_get_is_soap_11(msg_ctx, env))
                {
                    if (axutil_strcmp(soap_action, ""))
                    {
                        /* handle SOAP action for SOAP 1.2 case */
                        axis2_char_t *temp_content_type = NULL;
                        temp_content_type = axutil_stracat (env,
                            content_type,
                            AXIS2_CONTENT_TYPE_ACTION);
                        content_type = temp_content_type;
                        temp_content_type = axutil_stracat (env,
                            content_type,
                            soap_action);
                        AXIS2_FREE (env->allocator, content_type);
                        content_type = temp_content_type;
                        temp_content_type =
                        axutil_stracat (env, content_type,
                            AXIS2_ESC_DOUBLE_QUOTE_STR);
                        AXIS2_FREE (env->allocator, content_type);
                        content_type = temp_content_type;
                    }
                }
            }
            else if (AXIS2_TRUE == axis2_msg_ctx_get_is_soap_11(msg_ctx, env))
            {
                axis2_char_t *temp_content_type = NULL;
                content_type =
                (axis2_char_t *) AXIS2_HTTP_HEADER_ACCEPT_TEXT_XML;
                content_type = axutil_stracat(env, content_type,
                    AXIS2_CONTENT_TYPE_CHARSET);
                temp_content_type =
                axutil_stracat(env, content_type, char_set_enc);
                AXIS2_FREE(env->allocator, content_type);
                content_type = temp_content_type;
            }
            else
            {
                axis2_char_t *temp_content_type = NULL;
                content_type =
                (axis2_char_t *) AXIS2_HTTP_HEADER_ACCEPT_APPL_SOAP;
                content_type = axutil_stracat(env, content_type,
                    AXIS2_CONTENT_TYPE_CHARSET);
                temp_content_type =
                axutil_stracat(env, content_type, char_set_enc);
                AXIS2_FREE(env->allocator, content_type);
                content_type = temp_content_type;
                if (axutil_strcmp(soap_action, ""))
                {
                    temp_content_type =
                    axutil_stracat(env, content_type,
                        AXIS2_CONTENT_TYPE_ACTION);
                    AXIS2_FREE(env->allocator, content_type);
                    content_type = temp_content_type;
                    temp_content_type =
                    axutil_stracat(env, content_type, soap_action);
                    AXIS2_FREE(env->allocator, content_type);
                    content_type = temp_content_type;
                }
                temp_content_type = axutil_stracat(env, content_type,
                    AXIS2_SEMI_COLON_STR);
                AXIS2_FREE(env->allocator, content_type);
                content_type = temp_content_type;
            }
        }
        else if (is_soap)
        {
            AXIS2_LOG_ERROR (env->log, AXIS2_LOG_SI, "Attempt to send SOAP"
                "message using HTTP PUT failed");
            return AXIS2_FAILURE;
        }
        else
        {
            axutil_property_t *content_type_property = NULL;
            axutil_hash_t *content_type_hash = NULL;
            axis2_char_t *content_type_value = NULL;

            axiom_node_serialize(data_out, env, om_output);
            content_type_property =
            (axutil_property_t *)
            axis2_msg_ctx_get_property(msg_ctx, env,
                AXIS2_USER_DEFINED_HTTP_HEADER_CONTENT_TYPE);

            if (content_type_property)
            {
                content_type_hash =
                (axutil_hash_t *)
                axutil_property_get_value(content_type_property, env);

                if (content_type_hash)
                {
                    content_type_value =
                    (char *) axutil_hash_get(content_type_hash,
                        AXIS2_HTTP_HEADER_CONTENT_TYPE,
                        AXIS2_HASH_KEY_STRING);
                }
            }

            if (content_type_value)
            {
                content_type = content_type_value;
            }
            else
            {
                content_type = axutil_strdup(env,AXIS2_HTTP_HEADER_ACCEPT_TEXT_XML);
            }

        }

        buffer = axiom_xml_writer_get_xml(xml_writer, env);
        if (!doing_mtom)
        {
            buffer_size = axiom_xml_writer_get_xml_size(xml_writer, env);
        }
        else
        buffer_size = output_stream_size;
        {
            /*
             * Curl calculates the content-length automatically.
             * This commented section is not only unnecessary,
             * it interferes with authentication.
             *
             * NTLM, for example, will send an empty request
             * first (no body) to get the auth challenge
             * before resending with actual content.
             */
            /*char tmp_buf[10];
            sprintf(tmp_buf, "%d", buffer_size);
            tmp_strcat = axutil_stracat(env, content_len, tmp_buf);
            headers = curl_slist_append(headers, tmp_strcat);
            AXIS2_FREE(env->allocator, tmp_strcat);
            tmp_strcat = NULL;*/

            tmp_strcat = axutil_stracat(env, content, content_type);
            headers = curl_slist_append(headers, tmp_strcat);
            AXIS2_FREE(env->allocator, tmp_strcat);
            tmp_strcat = NULL;
        }

        if (!doing_mtom)
        {
            curl_easy_setopt(handler, CURLOPT_POSTFIELDSIZE, buffer_size);
            curl_easy_setopt(handler, CURLOPT_POSTFIELDS, buffer);
        }
        else
        {
            curl_easy_setopt(handler, CURLOPT_POSTFIELDSIZE,
                output_stream_size);
            curl_easy_setopt(handler, CURLOPT_POSTFIELDS, output_stream);
        }

        if (send_via_put)
        {
            curl_easy_setopt(handler, CURLOPT_CUSTOMREQUEST, AXIS2_HTTP_PUT);
        }
        curl_easy_setopt(handler, CURLOPT_URL, str_url);
    }
    else
    {
        axis2_char_t *request_param;
        axis2_char_t *url_encode;
        request_param =
        (axis2_char_t *) axis2_http_sender_get_param_string(NULL, env,
            msg_ctx);
        url_encode = axutil_strcat(env, str_url, AXIS2_Q_MARK_STR,
            request_param, NULL);
        if (send_via_get)
        {
            curl_easy_setopt(handler, CURLOPT_HTTPGET, 1);
        }
        else if (send_via_head)
        {
            curl_easy_setopt(handler, CURLOPT_NOBODY, 1);
        }
        else if (send_via_delete)
        {
            curl_easy_setopt(handler, CURLOPT_CUSTOMREQUEST, AXIS2_HTTP_DELETE);
        }
        curl_easy_setopt(handler, CURLOPT_URL, url_encode);
    }

    {
        axis2_bool_t manage_session;
        manage_session = axis2_msg_ctx_get_manage_session(msg_ctx, env);
        if (manage_session == AXIS2_TRUE)
        {
            if (data->cookies == AXIS2_FALSE)
            {
                /* Ensure cookies enabled to manage session */
                /* Pass empty cookie string to enable cookies */
                curl_easy_setopt(handler, CURLOPT_COOKIEFILE, " ");
                data->cookies = AXIS2_TRUE;
            }
        }
        else if (data->cookies == AXIS2_TRUE)
        {
            /* Pass special string ALL to reset cookies if any have been enabled. */
            /* If cookies have ever been enabled, we reset every time as long as 
             manage_session is false, as there is no clear curl option to
             turn off the cookie engine once enabled. */
            curl_easy_setopt(handler, CURLOPT_COOKIELIST, AXIS2_ALL);
        }
    }

    curl_easy_setopt(handler, CURLOPT_HTTPHEADER, headers);
    curl_easy_setopt(handler, CURLOPT_WRITEFUNCTION,
        axis2_libcurl_write_memory_callback);
    curl_easy_setopt(handler, CURLOPT_WRITEDATA, data);

    curl_easy_setopt (handler, CURLOPT_HEADERFUNCTION, axis2_libcurl_header_callback);

    curl_easy_setopt (handler, CURLOPT_WRITEHEADER, data);

    /* Free response data from previous request */
    if( data->size )
    {
        if (data->memory)
        {
            AXIS2_FREE(data->env->allocator, data->memory);
        }
        data->size = 0;
    }

    if (curl_easy_perform(handler))
    {
        AXIS2_LOG_ERROR (env->log, AXIS2_LOG_SI, "%s", &data->errorbuffer);
        AXIS2_HANDLE_ERROR(env, AXIS2_ERROR_HTTP_CLIENT_TRANSPORT_ERROR,
            AXIS2_FAILURE);
        return AXIS2_FAILURE;
    }

    in_stream = axutil_stream_create_libcurl(env, data->memory, data->size);
    trans_in_property = axutil_property_create(env);
    axutil_property_set_scope(trans_in_property, env, AXIS2_SCOPE_REQUEST);
    axutil_property_set_free_func(trans_in_property, env,
        libcurl_stream_free);
    axutil_property_set_value(trans_in_property, env, in_stream);
    axis2_msg_ctx_set_property(msg_ctx, env, AXIS2_TRANSPORT_IN,
        trans_in_property);

    if (axutil_array_list_size(data->alist, env) > 0)
    {
        status_line_str = axutil_array_list_get(data->alist, env, 0);
        if (status_line_str)
        {
            status_line = axis2_http_status_line_create(env, status_line_str);
        }
    }

    if (status_line)
    {
        status_code = axis2_http_status_line_get_status_code(status_line, env);
    }

    axis2_msg_ctx_set_status_code (msg_ctx, env, status_code);
    AXIS2_FREE(data->env->allocator, content_type);
    content_type = axis2_libcurl_get_content_type(data, env);

    if (content_type)
    {
        if (strstr (content_type, AXIS2_HTTP_HEADER_ACCEPT_MULTIPART_RELATED)
            && strstr (content_type, AXIS2_HTTP_HEADER_ACCEPT_XOP_XML))
        {
            axis2_ctx_t *axis_ctx =
            axis2_op_ctx_get_base (axis2_msg_ctx_get_op_ctx (msg_ctx, env),
                env);
            property = axutil_property_create (env);
            axutil_property_set_scope (property, env, AXIS2_SCOPE_REQUEST);
            axutil_property_set_value (property,
                env, axutil_strdup (env, content_type));
            axis2_ctx_set_property (axis_ctx,
                env, MTOM_RECIVED_CONTENT_TYPE, property);
        }
    }

    content_length = axis2_libcurl_get_content_length(data, env);
    if (content_length >= 0)
    {
        response_length = AXIS2_MALLOC (env->allocator, sizeof (int));
        memcpy (response_length, &content_length, sizeof (int));
        property = axutil_property_create (env);
        axutil_property_set_scope (property, env, AXIS2_SCOPE_REQUEST);
        axutil_property_set_value (property, env, response_length);
        axis2_msg_ctx_set_property (msg_ctx, env,
            AXIS2_HTTP_HEADER_CONTENT_LENGTH, property);
    }

    curl_slist_free_all (headers);
    /* release the read http headers. */
    /* (commenting out the call below is a clever way to force a premature EOF 
     condition in subsequent messages, as they will be read using the content-length
     of the first message.) */
    axis2_libcurl_free_headers(data, env);
    AXIS2_FREE(data->env->allocator, content_type);
    axis2_http_status_line_free( status_line, env);

    return AXIS2_SUCCESS;
}
int
main(
    int argc,
    char **argv)
{
    axis2_stub_t *stub = NULL;
    axiom_node_t *node = NULL;
    axis2_status_t status = AXIS2_FAILURE;
    const axutil_env_t *env = NULL;
    const axis2_char_t *address = NULL;
    const axis2_char_t *client_home = NULL;
    axiom_node_t *ret_node = NULL;

    const axis2_char_t *operation = "get_version";
    const axis2_char_t *param1 = "40";
    const axis2_char_t *param2 = "8";

    env = axutil_env_create_all("version_blocking.log", AXIS2_LOG_LEVEL_TRACE);

    client_home = AXIS2_GETENV("AXIS2C_HOME");
    if (!client_home || !strcmp(client_home, ""))
        client_home = "../..";

    address = "http://localhost:9090/axis2/services/version";
    if (argc > 1)
        operation = argv[1];
    if (axutil_strcmp(operation, "-h") == 0)
    {
        printf("Usage : %s [operation] [param1] [param2] [endpoint_url]\n",
               argv[0]);
        printf("use -h for help\n");
        printf("default operation get_version\n");
        printf("default param1 %s\n", param1);
        printf("default param2 %s\n", param2);
        printf("default endpoint_url %s\n", address);
        printf
            ("NOTE: command line arguments must appear in given order, with trailing ones being optional\n");
        return 0;
    }
    if (argc > 2)
        param1 = argv[2];
    if (argc > 3)
        param2 = argv[3];
    if (argc > 4)
        address = argv[4];

    printf("Using endpoint : %s\n", address);
    printf("\nInvoking operation %s\n", operation);

    node = build_om_programatically(env);
    stub =
        axis2_version_stub_create_with_endpoint_uri_and_client_home(env, address,
                                                                 client_home);

    /* create node and invoke version */
    if (stub)
    {
        ret_node = axis2_version_stub_get_version(stub, env, node);
    }

    if (ret_node)
    {
        if (axiom_node_get_node_type(ret_node, env) == AXIOM_ELEMENT)
        {
            axis2_char_t *result = NULL;
            axiom_element_t *result_ele =
                (axiom_element_t *) axiom_node_get_data_element(ret_node, env);

            result = axiom_element_get_text(result_ele, env, ret_node);
            printf("\nResult = %s\n", result);
        }
        else
        {
            axiom_xml_writer_t *writer = NULL;
            axiom_output_t *om_output = NULL;
            axis2_char_t *buffer = NULL;
            writer =
                axiom_xml_writer_create_for_memory(env, NULL, AXIS2_TRUE, 0,
                                                   AXIS2_XML_PARSER_TYPE_BUFFER);
            om_output = axiom_output_create(env, writer);

            axiom_node_serialize(ret_node, env, om_output);
            buffer = (axis2_char_t *) axiom_xml_writer_get_xml(writer, env);
            printf("\nReceived invalid OM as result : %s\n", buffer);
            if (buffer)
            {
                AXIS2_FREE(env->allocator, buffer);
                buffer = NULL;
            }
            if (om_output)
            {
                axiom_output_free(om_output, env);
                om_output = NULL;
            }
            axiom_xml_writer_free(writer, env);
        }
    }
    else
    {
        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI,
                        "Stub invoke FAILED: Error code:" " %d :: %s",
                        env->error->error_number,
                        AXIS2_ERROR_GET_MESSAGE(env->error));
        printf("version stub invoke FAILED!\n");
    }

    if (stub)
    {
        axis2_stub_free(stub, env);
    }

    if (env)
    {
        axutil_env_free((axutil_env_t *) env);
        env = NULL;
    }

    return status;
}