svn commit: r344952 - /webservices/axis2/trunk/c/modules/core/engine/src/disp.c

[sa...@apache.org]

Author: samisa
Date: Wed Nov 16 00:23:23 2005
New Revision: 344952

URL: http://svn.apache.org/viewcvs?rev=344952&view=rev
Log:
Added dispatcher. The source is compiling but there are some TODOs

Added:
    webservices/axis2/trunk/c/modules/core/engine/src/disp.c

Added: webservices/axis2/trunk/c/modules/core/engine/src/disp.c
URL: http://svn.apache.org/viewcvs/webservices/axis2/trunk/c/modules/core/engine/src/disp.c?rev=344952&view=auto
==============================================================================
--- webservices/axis2/trunk/c/modules/core/engine/src/disp.c (added)
+++ webservices/axis2/trunk/c/modules/core/engine/src/disp.c Wed Nov 16 00:23:23 2005
@@ -0,0 +1,282 @@
+/*
+ * Copyright 2004,2005 The Apache Software Foundation.
+ *
+ * Licensed 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_disp.h>
+#include <axis2_handler_desc.h>
+#include <axis2_qname.h>
+#include <axis2_relates_to.h>
+#include <axis2_svc.h>
+#include <axis2.h>
+#include <axis2_msg_ctx.h>
+
+typedef struct axis2_disp_impl 
+{
+    /** phase */
+	axis2_disp_t disp;
+    /** base class, inherits from handler */
+    axis2_handler_t *base;
+    /** phase name */
+    axis2_qname_t *qname;    
+} axis2_disp_impl_t;
+
+/** Interface to implementation conversion macro */
+#define AXIS2_INTF_TO_IMPL(disp) ((axis2_disp_impl_t *)disp)
+
+axis2_status_t AXIS2_CALL axis2_disp_invoke (struct axis2_handler * handler, 
+                                                axis2_env_t **env,
+                                                struct axis2_msg_ctx *msg_ctx);
+axis2_handler_t* AXIS2_CALL axis2_disp_get_base(struct axis2_disp *disp, 
+                                               axis2_env_t **env);
+axis2_qname_t* AXIS2_CALL axis2_disp_get_qname(struct axis2_disp *disp, 
+                                       axis2_env_t **env);
+axis2_status_t AXIS2_CALL axis2_disp_set_qname(struct axis2_disp *disp, 
+                                       axis2_env_t **env, axis2_qname_t *qname);
+axis2_status_t AXIS2_CALL axis2_disp_free (struct axis2_disp * disp, 
+                                            axis2_env_t **env);
+
+axis2_disp_t* AXIS2_CALL axis2_disp_create(axis2_env_t **env, axis2_qname_t *qname) 
+{
+    axis2_disp_impl_t *disp_impl = NULL;
+    axis2_handler_desc_t *handler_desc = NULL;
+    
+    AXIS2_ENV_CHECK(env, NULL);
+    
+    disp_impl = AXIS2_MALLOC( (*env)->allocator, sizeof(axis2_disp_impl_t) );
+    if (!disp_impl)
+    { 
+        AXIS2_ERROR_SET((*env)->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        return NULL;        
+    }
+
+    disp_impl->qname = NULL;
+    disp_impl->base = NULL;
+    
+    if (qname)
+    {
+        disp_impl->qname = AXIS2_QNAME_CLONE(qname, env);
+        if (!(disp_impl->qname))
+        {
+            AXIS2_ERROR_SET((*env)->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+            axis2_disp_free(&(disp_impl->disp), env);
+            return NULL;        
+        }
+    }
+    else
+    {
+        /* create default qname */
+        disp_impl->qname = axis2_qname_create(env, "abstract_dispatcher", 
+                                                "http://axis.ws.apache.org",
+                                                NULL);
+        if (!(disp_impl->qname))
+        {
+            axis2_disp_free(&(disp_impl->disp), env);
+            return NULL;        
+        }           
+    }
+    
+    disp_impl->base = axis2_handler_create(env);
+    if (!disp_impl->base)
+    {
+        axis2_disp_free(&(disp_impl->disp), env);
+        return NULL;
+    }
+    
+    /* handler desc of base handler */
+    handler_desc = axis2_handler_desc_create(env, disp_impl->qname);
+    if (!handler_desc)
+    {
+        axis2_disp_free(&(disp_impl->disp), env);
+        return NULL;
+    }
+    
+    AXIS2_HANDLER_INIT(disp_impl->base, env, handler_desc);
+    
+    /* set the base struct's invoke operation */
+    if (disp_impl->base->ops) 
+        disp_impl->base->ops->invoke = axis2_disp_invoke;
+
+    /* initialize operations */
+    disp_impl->disp.ops = NULL;
+    disp_impl->disp.ops  = AXIS2_MALLOC( (*env)->allocator, sizeof(axis2_disp_ops_t) );
+    if (!disp_impl->disp.ops)
+    {
+        AXIS2_ERROR_SET((*env)->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        axis2_disp_free(&(disp_impl->disp), env);
+        return NULL;        
+    }
+
+    disp_impl->disp.ops->get_base = axis2_disp_get_base;
+    disp_impl->disp.ops->get_qname = axis2_disp_get_qname;
+    disp_impl->disp.ops->set_qname = axis2_disp_set_qname;
+    disp_impl->disp.ops->free = axis2_disp_free;
+
+    return &(disp_impl->disp);
+}
+
+axis2_handler_t* AXIS2_CALL axis2_disp_get_base(struct axis2_disp *disp, 
+                                               axis2_env_t **env)
+{
+    AXIS2_FUNC_PARAM_CHECK(disp, env, NULL);
+    return AXIS2_INTF_TO_IMPL(disp)->base;
+}
+
+axis2_qname_t* AXIS2_CALL axis2_disp_get_qname(struct axis2_disp *disp, 
+                                       axis2_env_t **env)
+{
+    AXIS2_FUNC_PARAM_CHECK(disp, env, NULL);
+    return AXIS2_INTF_TO_IMPL(disp)->qname;
+}
+
+axis2_status_t AXIS2_CALL axis2_disp_set_qname(struct axis2_disp *disp, 
+                                       axis2_env_t **env, axis2_qname_t *qname)
+{
+    axis2_disp_impl_t *disp_impl = NULL;
+    
+    AXIS2_FUNC_PARAM_CHECK(disp, env, AXIS2_FAILURE);
+    
+    disp_impl = AXIS2_INTF_TO_IMPL(disp);
+    
+    if (disp_impl->qname)
+    {
+        AXIS2_QNAME_FREE(disp_impl->qname, env);
+        disp_impl->qname = NULL;
+    }
+    
+    if (qname)
+    {
+        disp_impl->qname = AXIS2_QNAME_CLONE(qname, env);
+        if (!(disp_impl->qname))
+            return AXIS2_FAILURE;
+    }
+    
+    return AXIS2_SUCCESS;
+}
+
+axis2_status_t AXIS2_CALL axis2_disp_invoke (struct axis2_handler *handler, 
+                                                axis2_env_t **env,
+                                                struct axis2_msg_ctx *msg_ctx)
+{
+    axis2_relates_to_t *relates_to = NULL;
+    axis2_svc_t *axis_service = NULL;
+    axis2_operation_t *operation = NULL;
+    
+    AXIS2_FUNC_PARAM_CHECK(handler, env, AXIS2_FAILURE);
+    AXIS2_PARAM_CHECK((*env)->error, msg_ctx, AXIS2_FAILURE);
+    
+    relates_to = AXIS2_MSG_CTX_GET_RELATES_TO(msg_ctx, env);
+    
+    /** first check if we can dispatch using the relates_to */
+    if (relates_to)
+    {
+        axis2_char_t *relates_to_value = NULL;
+        relates_to_value = AXIS2_RELATES_TO_GET_VALUE(relates_to, env);
+        if (relates_to_value && AXIS2_STRCMP(relates_to_value, "") != 0 )
+        {
+            /** TODO need to complete the following */
+            /*OperationContext operationContext = msgctx.getSystemContext().getOperationContext(relatesTo);
+            if (operationContext != null) {
+                msgctx.setAxisOperation(operationContext.getAxisOperation());
+                msgctx.setOperationContext(operationContext);
+                msgctx.setServiceContext((ServiceContext) operationContext.getParent());
+                msgctx.setAxisService(((ServiceContext) operationContext.getParent()).getAxisService());
+                msgctx.getAxisOperation().registerOperationContext(msgctx, operationContext);
+                msgctx.setServiceGroupContextId(((ServiceGroupContext) msgctx.getServiceContext().getParent()).getId());
+            }*/
+            return AXIS2_SUCCESS;
+        }
+    }
+    
+    axis_service = AXIS2_MSG_CTX_GET_SVC(msg_ctx, env);
+        
+    if (!axis_service) 
+    {
+        axis_service = AXIS2_MSG_CTX_FIND_SVC(msg_ctx, env);
+        if (axis_service) 
+        {
+            AXIS2_MSG_CTX_SET_SVC(msg_ctx, env, axis_service);
+            /*TODO Chinthaka : set the Service Group Context to the message Context*/
+        }
+    }
+
+    axis_service = AXIS2_MSG_CTX_GET_SVC(msg_ctx, env);
+    if (axis_service)
+    {
+        operation = AXIS2_MSG_CTX_GET_OPERATION(msg_ctx, env);
+        if (operation)
+        {
+            AXIS2_MSG_CTX_SET_OPERATION(msg_ctx, env, operation);
+        }
+    }
+    
+    return AXIS2_SUCCESS;
+}
+
+axis2_status_t AXIS2_CALL 
+axis2_disp_free (struct axis2_disp * disp, 
+                    axis2_env_t **env)
+{
+    axis2_disp_impl_t *disp_impl = NULL;
+    AXIS2_FUNC_PARAM_CHECK(disp, env, AXIS2_FAILURE);
+    disp_impl = AXIS2_INTF_TO_IMPL(disp);
+    
+    if (disp_impl->qname)
+    {
+        AXIS2_QNAME_FREE(disp_impl->qname, env);
+        disp_impl->qname = NULL;
+    }
+    
+    if (disp_impl->base)
+    {
+        axis2_handler_desc_t *handler_desc = AXIS2_HANDLER_GET_HANDLER_DESC(disp_impl->base, env);
+        AXIS2_HANDLER_DESC_FREE(handler_desc, env); /* freeing handler desc frees handler */
+        disp_impl->base = NULL;
+    }
+    
+    if (disp_impl->disp.ops)
+    {
+        AXIS2_FREE((*env)->allocator, disp_impl->disp.ops);
+        disp_impl->disp.ops = NULL;
+    }
+    
+    AXIS2_FREE((*env)->allocator, disp_impl);
+    disp_impl = NULL;
+    
+    return AXIS2_SUCCESS;    
+}
+    
+/** The following two interface methods found in AbstractDispatcher of Java
+    implementation has been moved to msg_ctx in C implementation as that seemed 
+    a more appropriate home for those. The struct that inherits from this struct
+    should implement those methods and assing the respective function pointers.
+ */
+/**
+ * Give the diaptacher turn to find the Service
+ *
+ * @param messageContext
+ * @return
+ */
+/*axis2_svc_t* findService(
+        axis2_msg_ctx_t *msg_ctx) */
+
+/**
+ * Give the diaptacher turn to find the Operation
+ *
+ * @param service
+ * @param msg_ctx
+ * @return
+ */
+/*axis2_operation* find_operation(
+        axis2_svc_t *service, axis2_msg_ctx_t * msg_ctx)*/