1 files changed, 272 insertions, 0 deletions
diff --git a/src/core/clientapi/callback.c b/src/core/clientapi/callback.c
new file mode 100644
index 0000000..6f875df
--- /dev/null
+++ b/src/core/clientapi/callback.c
@@ -0,0 +1,272 @@
+/*
+ * 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_callback.h>
+#include <axis2_const.h>
+#include <axutil_hash.h>
+
+struct axis2_callback
+{
+
+    /** callback complete? */
+    axis2_bool_t complete;
+
+    /** envelope corresponding to the result */
+    axiom_soap_envelope_t *envelope;
+
+    /** message context corresponding to the result */
+    axis2_msg_ctx_t *msg_ctx;
+
+    /** error code */
+    int error;
+
+    /** to store callback specific data */
+    void *data;
+    axutil_thread_mutex_t *mutex;
+
+    /**
+     * This function is called by invoke_on_complete.
+     * Users could provide this method so that they can define what to be 
+     * done when the callback returns on completion.
+     * @param callback pointer to callback struct
+     * @param env pointer to environment struct
+     * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
+     */
+    axis2_status_t
+    (
+        AXIS2_CALL * on_complete)
+    (
+        axis2_callback_t * callback,
+        const axutil_env_t * env);
+
+    /**
+     * This function is called by report_error.
+     * Users could provide this method so that they can define what to be done
+     * when the callback returns an error.
+     * @param callback pointer to callback struct
+     * @param env pointer to environment struct
+     * @param exception error code representing the error
+     * @return AXIS2_SUCCESS on success, else AXIS2_FAILURE
+     */
+    axis2_status_t
+    (
+        AXIS2_CALL * on_error)
+( axis2_callback_t * callback,
+const axutil_env_t * env,
+const int exception);
+};
+
+static axis2_status_t AXIS2_CALL axis2_callback_on_complete(
+    axis2_callback_t * callback,
+    const axutil_env_t * env);
+
+static axis2_status_t AXIS2_CALL axis2_callback_on_error(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    int exception);
+
+AXIS2_EXTERN axis2_callback_t *AXIS2_CALL
+axis2_callback_create(
+    const axutil_env_t * env)
+{
+    axis2_callback_t *callback = NULL;
+
+    AXIS2_ENV_CHECK(env, NULL);
+
+    callback = AXIS2_MALLOC(env->allocator, sizeof(axis2_callback_t));
+    if(!callback)
+    {
+        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        AXIS2_LOG_ERROR(env->log, AXIS2_LOG_SI, "No memory. Cannot create callback.");
+        return NULL;
+    }
+
+    callback->complete = AXIS2_FALSE;
+    callback->envelope = NULL;
+    callback->msg_ctx = NULL;
+    callback->error = AXIS2_ERROR_NONE;
+    callback->data = NULL;
+    callback->mutex = NULL;
+    callback->on_complete = axis2_callback_on_complete;
+    callback->on_error = axis2_callback_on_error;
+
+    callback->mutex = axutil_thread_mutex_create(env->allocator, AXIS2_THREAD_MUTEX_DEFAULT);
+    return callback;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_invoke_on_complete(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    axis2_async_result_t * result)
+{
+    axis2_status_t status = AXIS2_FAILURE;
+
+    callback->envelope = axis2_async_result_get_envelope(result, env);
+    callback->msg_ctx = axis2_async_result_get_result(result, env);
+    axis2_msg_ctx_increment_ref(callback->msg_ctx, env); /* this will be set in opclient's msgctx
+                                                            map and will be deleted from there */
+
+    status = callback->on_complete(callback, env);
+
+    return status;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_report_error(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    const int exception)
+{
+    axis2_callback_set_error(callback, env, exception);
+    return callback->on_error(callback, env, exception);
+}
+
+AXIS2_EXTERN axis2_bool_t AXIS2_CALL
+axis2_callback_get_complete(
+    const axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    return callback->complete;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_set_complete(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    const axis2_bool_t complete)
+{
+    callback->complete = complete;
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axiom_soap_envelope_t *AXIS2_CALL
+axis2_callback_get_envelope(
+    const axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    return callback->envelope;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_set_envelope(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    axiom_soap_envelope_t * envelope)
+{
+    callback->envelope = envelope;
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_msg_ctx_t *AXIS2_CALL
+axis2_callback_get_msg_ctx(
+    const axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    return callback->msg_ctx;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_set_msg_ctx(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    axis2_msg_ctx_t * msg_ctx)
+{
+    callback->msg_ctx = msg_ctx;
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN int AXIS2_CALL
+axis2_callback_get_error(
+    const axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    return callback->error;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_set_error(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    const int error)
+{
+    callback->error = error;
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN void AXIS2_CALL
+axis2_callback_free(
+    axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    if(callback->mutex)
+    {
+        axutil_thread_mutex_destroy(callback->mutex);
+    }
+
+    AXIS2_FREE(env->allocator, callback);
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axis2_callback_set_data(
+    axis2_callback_t * callback,
+    void *data)
+{
+    callback->data = (void *)data;
+
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN void *AXIS2_CALL
+axis2_callback_get_data(
+    const axis2_callback_t * callback)
+{
+    return callback->data;
+}
+
+AXIS2_EXTERN void AXIS2_CALL
+axis2_callback_set_on_complete(
+    axis2_callback_t * callback,
+    axis2_on_complete_func_ptr func)
+{
+    callback->on_complete = func;
+}
+
+AXIS2_EXTERN void AXIS2_CALL
+axis2_callback_set_on_error(
+    axis2_callback_t * callback,
+    axis2_on_error_func_ptr func)
+{
+    callback->on_error = func;
+}
+
+static axis2_status_t AXIS2_CALL
+axis2_callback_on_complete(
+    axis2_callback_t * callback,
+    const axutil_env_t * env)
+{
+    return AXIS2_SUCCESS;
+}
+
+static axis2_status_t AXIS2_CALL
+axis2_callback_on_error(
+    axis2_callback_t * callback,
+    const axutil_env_t * env,
+    int exception)
+{
+    return AXIS2_SUCCESS;
+}