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Diffstat (limited to 'src/core/receivers/msg_recv.c')
| -rw-r--r-- | src/core/receivers/msg_recv.c | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/src/core/receivers/msg_recv.c b/src/core/receivers/msg_recv.c new file mode 100644 index 0000000..87bcc1d --- /dev/null +++ b/src/core/receivers/msg_recv.c @@ -0,0 +1,560 @@ +/* + * 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 <axis2_msg_recv.h> +#include <axutil_param.h> +#include <axis2_description.h> +#include <axutil_class_loader.h> +#include <axis2_engine.h> +#include <axis2_core_utils.h> +#include <axutil_property.h> +#include <axiom_soap_envelope.h> +#include <axiom_soap_body.h> +#include <axutil_thread.h> + +struct axis2_msg_recv +{ + axis2_char_t *scope; + /** + * conf ctx is added to pass for the load_and_init_svc method + */ + axis2_conf_ctx_t *conf_ctx; + + void *derived; + + /** + * This contain in out synchronous business invoke logic + * @param msg_recv pointer to message receiver + * @param env pointer to environment struct + * @param in_msg_ctx pointer to in message context + * @param out_msg_ctx pointer to out message context + * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE + */ + axis2_status_t + ( + AXIS2_CALL * invoke_business_logic) + ( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + struct axis2_msg_ctx * in_msg_ctx, + struct axis2_msg_ctx * out_msg_ctx); + + /** + * This method is called from axis2_engine_receive method. This method's + * actual implementation is decided from the create method of the + * extended message receiver object. There depending on the synchronous or + * asynchronous type, receive method is assigned with the synchronous or + * asynchronous implementation of receive. + * @see raw_xml_in_out_msg_recv_create method where receive is assigned + * to receive_sync + * @param msg_recv pointer to message receiver + * @param env pointer to environment struct + * @param in_msg_ctx pointer to in message context + * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE + */ + axis2_status_t + ( + AXIS2_CALL * receive) + ( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + struct axis2_msg_ctx * in_msg_ctx, + void *callback_recv_param); + + axis2_status_t + ( + AXIS2_CALL *load_and_init_svc) +( axis2_msg_recv_t *msg_recv, +const axutil_env_t *env, +struct axis2_svc *svc); + +}; + +static axis2_status_t AXIS2_CALL +axis2_msg_recv_receive_impl( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + axis2_msg_ctx_t * msg_ctx, + void *callback_recv_param); + +static axis2_status_t AXIS2_CALL +axis2_msg_recv_load_and_init_svc_impl( + axis2_msg_recv_t *msg_recv, + const axutil_env_t *env, + struct axis2_svc *svc) +{ + axutil_param_t *impl_info_param = NULL; + void *impl_class = NULL; + + AXIS2_ENV_CHECK(env, NULL); + + if(!svc) + { + return AXIS2_FAILURE; + } + + impl_class = axis2_svc_get_impl_class(svc, env); + if(impl_class) + { + return AXIS2_SUCCESS; + } + /* When we load the DLL we have to make sure that only one thread will load it */ + axutil_thread_mutex_lock(axis2_svc_get_mutex(svc, env)); + /* If more than one thread tries to acquires the lock, first thread loads the DLL. + Others should not load the DLL */ + impl_class = axis2_svc_get_impl_class(svc, env); + if(impl_class) + { + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return AXIS2_SUCCESS; + } + impl_info_param = axis2_svc_get_param(svc, env, AXIS2_SERVICE_CLASS); + if(!impl_info_param) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_STATE_SVC, AXIS2_FAILURE); + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return AXIS2_FAILURE; + } + + axutil_allocator_switch_to_global_pool(env->allocator); + + axutil_class_loader_init(env); + + impl_class = axutil_class_loader_create_dll(env, impl_info_param); + AXIS2_LOG_DEBUG(env->log, AXIS2_LOG_SI, "loading the services from msg_recv_load_and_init_svc"); + + if(impl_class) + { + axis2_conf_t *conf = NULL; + conf = axis2_conf_ctx_get_conf(msg_recv->conf_ctx, env); + AXIS2_SVC_SKELETON_INIT((axis2_svc_skeleton_t *)impl_class, env); + } + + axis2_svc_set_impl_class(svc, env, impl_class); + + axutil_allocator_switch_to_local_pool(env->allocator); + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT axis2_msg_recv_t *AXIS2_CALL +axis2_msg_recv_create( + const axutil_env_t * env) +{ + axis2_msg_recv_t *msg_recv = NULL; + + AXIS2_ENV_CHECK(env, NULL); + + msg_recv = (axis2_msg_recv_t *)AXIS2_MALLOC(env->allocator, sizeof(axis2_msg_recv_t)); + + if(!msg_recv) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); + return NULL; + } + msg_recv->conf_ctx = NULL; + msg_recv->scope = axutil_strdup(env, "app*"); + msg_recv->derived = NULL; + msg_recv->load_and_init_svc = axis2_msg_recv_load_and_init_svc_impl; + msg_recv->receive = axis2_msg_recv_receive_impl; + return msg_recv; +} + +AXIS2_EXPORT void AXIS2_CALL +axis2_msg_recv_free( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env) +{ + AXIS2_ENV_CHECK(env, void); + + if(msg_recv->scope) + { + AXIS2_FREE(env->allocator, msg_recv->scope); + } + + if(msg_recv) + { + AXIS2_FREE(env->allocator, msg_recv); + } + + return; +} + +AXIS2_EXPORT axis2_svc_skeleton_t *AXIS2_CALL +axis2_msg_recv_make_new_svc_obj( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + struct axis2_msg_ctx * msg_ctx) +{ + struct axis2_svc *svc = NULL; + struct axis2_op_ctx *op_ctx = NULL; + struct axis2_svc_ctx *svc_ctx = NULL; + axutil_param_t *impl_info_param = NULL; + void *impl_class = NULL; + + AXIS2_ENV_CHECK(env, NULL); + AXIS2_PARAM_CHECK(env->error, msg_ctx, NULL); + + op_ctx = axis2_msg_ctx_get_op_ctx(msg_ctx, env); + svc_ctx = axis2_op_ctx_get_parent(op_ctx, env); + svc = axis2_svc_ctx_get_svc(svc_ctx, env); + if(!svc) + { + return NULL; + } + + impl_class = axis2_svc_get_impl_class(svc, env); + if(impl_class) + { + return impl_class; + } + else + { + /* When we load the DLL we have to make sure that only one thread will load it */ + axutil_thread_mutex_lock(axis2_svc_get_mutex(svc, env)); + /* If more than one thread tries to acquires the lock, first thread loads the DLL. + Others should not load the DLL */ + impl_class = axis2_svc_get_impl_class(svc, env); + if(impl_class) + { + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return impl_class; + } + impl_info_param = axis2_svc_get_param(svc, env, AXIS2_SERVICE_CLASS); + if(!impl_info_param) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_STATE_SVC, AXIS2_FAILURE); + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return NULL; + } + + axutil_allocator_switch_to_global_pool(env->allocator); + + axutil_class_loader_init(env); + + impl_class = axutil_class_loader_create_dll(env, impl_info_param); + + if(impl_class) + { + AXIS2_SVC_SKELETON_INIT((axis2_svc_skeleton_t *)impl_class, env); + } + + axis2_svc_set_impl_class(svc, env, impl_class); + + axutil_allocator_switch_to_local_pool(env->allocator); + axutil_thread_mutex_unlock(axis2_svc_get_mutex(svc, env)); + return impl_class; + } +} + +/*AXIS2_EXPORT axis2_svc_skeleton_t *AXIS2_CALL +axis2_msg_recv_get_impl_obj( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + struct axis2_msg_ctx * msg_ctx) +{ + struct axis2_svc *svc = NULL; + struct axis2_op_ctx *op_ctx = NULL; + struct axis2_svc_ctx *svc_ctx = NULL; + + AXIS2_PARAM_CHECK(env->error, msg_ctx, NULL); + + op_ctx = axis2_msg_ctx_get_op_ctx(msg_ctx, env); + svc_ctx = axis2_op_ctx_get_parent(op_ctx, env); + svc = axis2_svc_ctx_get_svc(svc_ctx, env); + if(!svc) + { + return NULL; + } + + return axis2_msg_recv_make_new_svc_obj(msg_recv, env, msg_ctx); +}*/ + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_set_scope( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + const axis2_char_t * scope) +{ + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + AXIS2_PARAM_CHECK(env->error, scope, AXIS2_FAILURE); + + if(msg_recv->scope) + { + AXIS2_FREE(env->allocator, msg_recv->scope); + } + msg_recv->scope = axutil_strdup(env, scope); + if(!msg_recv->scope) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); + return AXIS2_FAILURE; + } + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT axis2_char_t *AXIS2_CALL +axis2_msg_recv_get_scope( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env) +{ + return msg_recv->scope; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_delete_svc_obj( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + axis2_msg_ctx_t * msg_ctx) +{ + axis2_svc_t *svc = NULL; + axis2_op_ctx_t *op_ctx = NULL; + axis2_svc_ctx_t *svc_ctx = NULL; + axutil_param_t *impl_info_param = NULL; + axutil_param_t *scope_param = NULL; + axis2_char_t *param_value = NULL; + axutil_dll_desc_t *dll_desc = NULL; + + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + AXIS2_PARAM_CHECK(env->error, msg_ctx, AXIS2_FAILURE); + + op_ctx = axis2_msg_ctx_get_op_ctx(msg_ctx, env); + svc_ctx = axis2_op_ctx_get_parent(op_ctx, env); + svc = axis2_svc_ctx_get_svc(svc_ctx, env); + if(!svc) + { + return AXIS2_FAILURE; + } + + scope_param = axis2_svc_get_param(svc, env, AXIS2_SCOPE); + if(scope_param) + { + param_value = axutil_param_get_value(scope_param, env); + } + if(param_value && (0 == axutil_strcmp(AXIS2_APPLICATION_SCOPE, param_value))) + { + return AXIS2_SUCCESS; + } + + impl_info_param = axis2_svc_get_param(svc, env, AXIS2_SERVICE_CLASS); + if(!impl_info_param) + { + AXIS2_ERROR_SET(env->error, AXIS2_ERROR_INVALID_STATE_SVC, AXIS2_FAILURE); + return AXIS2_FAILURE; + } + dll_desc = axutil_param_get_value(impl_info_param, env); + return axutil_class_loader_delete_dll(env, dll_desc); +} + +static axis2_status_t AXIS2_CALL +axis2_msg_recv_receive_impl( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + axis2_msg_ctx_t * msg_ctx, + void *callback_recv_param) +{ + axis2_msg_ctx_t *out_msg_ctx = NULL; + axis2_engine_t *engine = NULL; + axis2_conf_ctx_t *conf_ctx = NULL; + axis2_op_ctx_t *op_ctx = NULL; + axis2_svc_ctx_t *svc_ctx = NULL; + axis2_status_t status = AXIS2_FAILURE; + + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + AXIS2_PARAM_CHECK(env->error, msg_ctx, AXIS2_FAILURE); + AXIS2_LOG_TRACE(env->log, AXIS2_LOG_SI, "[axis2]Entry:axis2_msg_recv_receive_impl"); + out_msg_ctx = axis2_core_utils_create_out_msg_ctx(env, msg_ctx); + if(!out_msg_ctx) + { + return AXIS2_FAILURE; + } + op_ctx = axis2_msg_ctx_get_op_ctx(out_msg_ctx, env); + if(!op_ctx) + { + axis2_core_utils_reset_out_msg_ctx(env, out_msg_ctx); + axis2_msg_ctx_free(out_msg_ctx, env); + return AXIS2_FAILURE; + } + + status = axis2_op_ctx_add_msg_ctx(op_ctx, env, out_msg_ctx); + if(!status) + { + axis2_core_utils_reset_out_msg_ctx(env, out_msg_ctx); + axis2_msg_ctx_free(out_msg_ctx, env); + return status; + } + status = axis2_op_ctx_add_msg_ctx(op_ctx, env, msg_ctx); + + if(!status) + { + return status; + } + + status = axis2_msg_recv_invoke_business_logic(msg_recv, env, msg_ctx, out_msg_ctx); + if(AXIS2_SUCCESS != status) + { + axis2_core_utils_reset_out_msg_ctx(env, out_msg_ctx); + axis2_msg_ctx_free(out_msg_ctx, env); + return status; + } + svc_ctx = axis2_op_ctx_get_parent(op_ctx, env); + conf_ctx = axis2_svc_ctx_get_conf_ctx(svc_ctx, env); + engine = axis2_engine_create(env, conf_ctx); + if(!engine) + { + axis2_msg_ctx_free(out_msg_ctx, env); + return AXIS2_FAILURE; + } + if(axis2_msg_ctx_get_soap_envelope(out_msg_ctx, env)) + { + axiom_soap_envelope_t *soap_envelope = axis2_msg_ctx_get_soap_envelope(out_msg_ctx, env); + if(soap_envelope) + { + axiom_soap_body_t *body = axiom_soap_envelope_get_body(soap_envelope, env); + if(body) + { + /* in case of a SOAP fault, we got to return failure so that + transport gets to know that it should send 500 */ + if(axiom_soap_body_has_fault(body, env)) + { + status = AXIS2_FAILURE; + axis2_msg_ctx_set_fault_soap_envelope(msg_ctx, env, soap_envelope); + axis2_msg_ctx_set_soap_envelope(out_msg_ctx, env, NULL); + } + else + { + /* if it is two way and not a fault then send through engine. + if it is one way we do not need to do an engine send */ + status = axis2_engine_send(engine, env, out_msg_ctx); + } + } + } + } + axis2_engine_free(engine, env); + + /* Reset the out message context to avoid double freeing at http worker. For example if this is + * not done here both in and out message context will try to free the transport out stream + * which will result in memory corruption. + */ + if(!axis2_msg_ctx_is_paused(out_msg_ctx, env) && !axis2_msg_ctx_is_keep_alive(out_msg_ctx, env)) + { + axis2_core_utils_reset_out_msg_ctx(env, out_msg_ctx); + } + AXIS2_LOG_TRACE(env->log, AXIS2_LOG_SI, "[axis2]Exit:axis2_msg_recv_receive_impl"); + return status; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_set_invoke_business_logic( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + AXIS2_MSG_RECV_INVOKE_BUSINESS_LOGIC func) +{ + msg_recv->invoke_business_logic = func; + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_invoke_business_logic( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + struct axis2_msg_ctx * in_msg_ctx, + struct axis2_msg_ctx * out_msg_ctx) +{ + return msg_recv->invoke_business_logic(msg_recv, env, in_msg_ctx, out_msg_ctx); +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_set_derived( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + void *derived) +{ + msg_recv->derived = derived; + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT void *AXIS2_CALL +axis2_msg_recv_get_derived( + const axis2_msg_recv_t * msg_recv, + const axutil_env_t * env) +{ + return msg_recv->derived; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_set_receive( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + AXIS2_MSG_RECV_RECEIVE func) +{ + msg_recv->receive = func; + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_receive( + axis2_msg_recv_t * msg_recv, + const axutil_env_t * env, + axis2_msg_ctx_t * msg_ctx, + void *callback_recv_param) +{ + return msg_recv->receive(msg_recv, env, msg_ctx, callback_recv_param); +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_set_load_and_init_svc( + axis2_msg_recv_t *msg_recv, + const axutil_env_t *env, + AXIS2_MSG_RECV_LOAD_AND_INIT_SVC func) +{ + msg_recv->load_and_init_svc = func; + return AXIS2_SUCCESS; +} + +AXIS2_EXPORT axis2_status_t AXIS2_CALL +axis2_msg_recv_load_and_init_svc( + axis2_msg_recv_t *msg_recv, + const axutil_env_t *env, + struct axis2_svc *svc) +{ + if(msg_recv->load_and_init_svc) + { + return msg_recv->load_and_init_svc(msg_recv, env, svc); + } + else + { + /* message receivers without physical service (e.g : programatical service injection) */ + return AXIS2_SUCCESS; + } +} +AXIS2_EXPORT void AXIS2_CALL + axis2_msg_recv_set_conf_ctx(axis2_msg_recv_t *msg_recv, + const axutil_env_t *env, + struct axis2_conf_ctx *conf_ctx) +{ + msg_recv->conf_ctx = conf_ctx; +} + +AXIS2_EXPORT struct axis2_conf_ctx* AXIS2_CALL +axis2_msg_recv_get_conf_ctx( + axis2_msg_recv_t *msg_recv, + const axutil_env_t *env) +{ + if(msg_recv) + return msg_recv->conf_ctx; + return NULL; +} |