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Diffstat (limited to 'samples/server/mtom_callback/mtom_callback.c')
| -rw-r--r-- | samples/server/mtom_callback/mtom_callback.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/samples/server/mtom_callback/mtom_callback.c b/samples/server/mtom_callback/mtom_callback.c new file mode 100644 index 0000000..7029124 --- /dev/null +++ b/samples/server/mtom_callback/mtom_callback.c @@ -0,0 +1,261 @@ +/* + * 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 "mtom_callback.h" +#include <axiom.h> +#include <stdio.h> +#include <axis2_op_ctx.h> +#include <axiom_soap_envelope.h> +#include <axiom_soap_body.h> +#include <axis2_const.h> +#include <axutil_param.h> + +axiom_node_t *build_response( + const axutil_env_t *env, + axiom_data_handler_t *data_handler); + +axis2_status_t process_attachments( + axis2_msg_ctx_t *msg_ctx, + const axutil_env_t * env, + void *user_param, + axis2_char_t *callback_name); + +axiom_node_t* +axis2_mtom_callback_mtom( + const axutil_env_t * env, + axiom_node_t * node, + axis2_msg_ctx_t *msg_ctx) +{ + axiom_node_t *attachment_node = NULL; + axiom_node_t *binary_node = NULL; + axiom_node_t *ret_node = NULL; + axis2_status_t status = AXIS2_FAILURE; + void *user_param = NULL; + axutil_param_t *callback_name_param = NULL; + axis2_char_t *callback_name = NULL; + + AXIS2_ENV_CHECK(env, NULL); + + /* Expected request format is :- + * <ns1:mtomSample xmlns:ns1="http://ws.apache.org/axis2/c/samples"> + <ns1:attachment> + <xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include" href="cid:1.dd5183d4-d58a-1da1-2578-001125b4c063@apache.org"></xop:Include> + </ns1:attachment> + </ns1:mtomSample> + */ + if (!node) /* 'mtomSample' node */ + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_SVC_SKEL_INPUT_OM_NODE_NULL, + AXIS2_FAILURE); + printf("Echo client ERROR: input parameter NULL\n"); + return NULL; + } + + attachment_node = axiom_node_get_first_child(node, env); + if (!attachment_node) /* 'text' node */ + { + AXIS2_ERROR_SET(env->error, + AXIS2_ERROR_SVC_SKEL_INVALID_XML_FORMAT_IN_REQUEST, + AXIS2_FAILURE); + printf("Echo client ERROR: invalid XML in request\n"); + return NULL; + } + + /* This is the paramter specified in the services.xml + * or in axis2.xml + */ + + callback_name_param = axis2_msg_ctx_get_parameter (msg_ctx, env, + AXIS2_MTOM_CACHING_CALLBACK); + + if(callback_name_param) + { + callback_name = (axis2_char_t *) axutil_param_get_value (callback_name_param, env); + } + + /* This will process the attachment data in the stream */ + + status = process_attachments(msg_ctx, env, user_param, callback_name); + if(status == AXIS2_FAILURE) + { + return NULL; + } + + binary_node = axiom_node_get_first_child(attachment_node, env); + if (binary_node) + { + axiom_data_handler_t *data_handler = NULL; + axiom_text_t *bin_text = NULL; + axis2_char_t *attachment_id = NULL; + axiom_data_handler_t *data_handler_res = NULL; + axis2_char_t *location = NULL; + + bin_text = (axiom_text_t *)axiom_node_get_data_element(binary_node, env); + if(bin_text) + { + data_handler = axiom_text_get_data_handler(bin_text, env); + if(!data_handler) + { + return NULL; + } + } + + attachment_id = axiom_data_handler_get_mime_id(data_handler, env); + + if(!attachment_id) + { + return NULL; + } + + /* This is the case where the attachment resides in memory */ + + if (!axiom_data_handler_get_cached(data_handler, env)) + { + /* axis2_byte_t *input_buff = NULL; + axis2_byte_t *buff = NULL; + int buff_len = 0;*/ + + axiom_data_handler_set_file_name(data_handler, env, attachment_id); + axiom_data_handler_write_to(data_handler, env); + location = attachment_id; + } + + else + { + axiom_data_handler_type_t data_handler_type; + data_handler_type = axiom_data_handler_get_data_handler_type(data_handler, env); + + if(data_handler_type == AXIOM_DATA_HANDLER_TYPE_CALLBACK) + { + /* The service implementer should be aware of how to deal with the attachment + * Becasue it was stored using the callback he provided. */ + + /*axis2_char_t command[1000]; + + sprintf(command, "rm -f /opt/tmp/%s", attachment_id); + system(command);*/ + + /*location = attachment_id;*/ + /*location = "/home/manjula/axis2/mtom/resources/song.MP3"; */ + + location = "/opt/manjula-mtom.MPG"; + } + else if(data_handler_type == AXIOM_DATA_HANDLER_TYPE_FILE) + { + axis2_char_t *file_name = NULL; + + file_name = axiom_data_handler_get_file_name(data_handler, env); + if(file_name) + { + location = axutil_strdup(env, file_name); + } + } + } + + /* The samples sends back an attachment to the client. Hence we are creating the + * response data_handler as a type CALLBACK. So the sender callback should be + * specified either in the services.xml or in the axis2.xml. + */ + + data_handler_res = axiom_data_handler_create(env, NULL, NULL); + axiom_data_handler_set_data_handler_type(data_handler_res, env, AXIOM_DATA_HANDLER_TYPE_CALLBACK); + axiom_data_handler_set_user_param(data_handler_res, env, (void *)location); + + axis2_msg_ctx_set_doing_mtom (msg_ctx, env, AXIS2_TRUE); + ret_node = build_response(env, data_handler_res); + } + else + { + AXIS2_ERROR_SET(env->error, + AXIS2_ERROR_SVC_SKEL_INVALID_XML_FORMAT_IN_REQUEST, + AXIS2_FAILURE); + printf("Echo client ERROR: invalid XML in request\n"); + return NULL; + } + + return ret_node; +} + +/* Builds the response content */ + + +axiom_node_t *build_response( + const axutil_env_t *env, + axiom_data_handler_t *data_handler) +{ + axiom_node_t *mtom_om_node = NULL; + axiom_element_t *mtom_om_ele = NULL; + axiom_node_t *text_node = NULL; + axiom_namespace_t *ns1 = NULL; + + ns1 = + axiom_namespace_create(env, "http://ws.apache.org/axis2/c/samples", + "ns1"); + mtom_om_ele = + axiom_element_create(env, NULL, "response", ns1, &mtom_om_node); + + axiom_text_create_with_data_handler(env, mtom_om_node, data_handler, + &text_node); + + return mtom_om_node; +} + +axis2_status_t process_attachments( + axis2_msg_ctx_t *msg_ctx, + const axutil_env_t * env, + void *user_param, + axis2_char_t *callback_name) +{ + axis2_op_ctx_t *op_ctx = NULL; + axis2_msg_ctx_t *in_msg_ctx = NULL; + axiom_soap_envelope_t *soap_envelope = NULL; + axiom_soap_body_t *soap_body = NULL; + + op_ctx = axis2_msg_ctx_get_op_ctx(msg_ctx, env); + if(op_ctx) + { + in_msg_ctx = axis2_op_ctx_get_msg_ctx(op_ctx, env, AXIS2_WSDL_MESSAGE_LABEL_IN); + if(in_msg_ctx) + { + soap_envelope = axis2_msg_ctx_get_soap_envelope(in_msg_ctx, env); + if(soap_envelope) + { + soap_body = axiom_soap_envelope_get_body(soap_envelope, env); + if(soap_body) + { + return axiom_soap_body_process_attachments(soap_body, env, user_param, callback_name); + } + else + { + return AXIS2_FAILURE; + } + } + else + { + return AXIS2_FAILURE; + } + } + else + { + return AXIS2_FAILURE; + } + } + else + { + return AXIS2_FAILURE; + } +} + |