Initial OpenECOMP Demo commit

Change-Id: Ibf8696196a7ac2c84ac8aa7cde1982c9c89fb64d
Signed-off-by: platania <platania@research.att.com>

1 files changed, 337 insertions, 0 deletions

diff --git a/vnfs/VES/code/evel_library/evel_fault.c b/vnfs/VES/code/evel_library/evel_fault.c
new file mode 100644
index 00000000..cbb80d71
--- /dev/null
+++ b/vnfs/VES/code/evel_library/evel_fault.c
@@ -0,0 +1,337 @@
+/**************************************************************************//**
+ * @file
+ * Implementation of EVEL functions relating to the Fault.
+ *
+ * License
+ * -------
+ *
+ * Copyright(c) <2016>, AT&T Intellectual Property.  All other rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:  This product includes
+ *    software developed by the AT&T.
+ * 4. Neither the name of AT&T nor the names of its contributors may be used to
+ *    endorse or promote products derived from this software without specific
+ *    prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AT&T INTELLECTUAL PROPERTY ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AT&T INTELLECTUAL PROPERTY BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "evel.h"
+#include "evel_internal.h"
+#include "evel_throttle.h"
+
+/**************************************************************************//**
+ * Create a new fault event.
+ *
+ * @note    The mandatory fields on the Fault must be supplied to this factory
+ *          function and are immutable once set.  Optional fields have explicit
+ *          setter functions, but again values may only be set once so that the
+ *          Fault has immutable properties.
+ * @param   condition   The condition indicated by the Fault.
+ * @param   specific_problem  The specific problem triggering the fault.
+ * @param   priority    The priority of the event.
+ * @param   severity    The severity of the Fault.
+ * @returns pointer to the newly manufactured ::EVENT_FAULT.  If the event is
+ *          not used (i.e. posted) it must be released using ::evel_free_fault.
+ * @retval  NULL  Failed to create the event.
+ *****************************************************************************/
+EVENT_FAULT * evel_new_fault(const char * const condition,
+                             const char * const specific_problem,
+                             EVEL_EVENT_PRIORITIES priority,
+                             EVEL_SEVERITIES severity)
+{
+  EVENT_FAULT * fault = NULL;
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(condition != NULL);
+  assert(specific_problem != NULL);
+  assert(priority < EVEL_MAX_PRIORITIES);
+  assert(severity < EVEL_MAX_SEVERITIES);
+
+  /***************************************************************************/
+  /* Allocate the fault.                                                     */
+  /***************************************************************************/
+  fault = malloc(sizeof(EVENT_FAULT));
+  if (fault == NULL)
+  {
+    log_error_state("Out of memory");
+    goto exit_label;
+  }
+  memset(fault, 0, sizeof(EVENT_FAULT));
+  EVEL_DEBUG("New fault is at %lp", fault);
+
+  /***************************************************************************/
+  /* Initialize the header & the fault fields.  Optional string values are   */
+  /* uninitialized (NULL).                                                   */
+  /***************************************************************************/
+  evel_init_header(&fault->header);
+  fault->header.event_domain = EVEL_DOMAIN_FAULT;
+  fault->header.priority = priority;
+  fault->major_version = EVEL_FAULT_MAJOR_VERSION;
+  fault->minor_version = EVEL_FAULT_MINOR_VERSION;
+  fault->event_severity = severity;
+  fault->event_source_type = event_source_type;
+  fault->vf_status = EVEL_VF_STATUS_ACTIVE;
+  fault->alarm_condition = strdup(condition);
+  fault->specific_problem = strdup(specific_problem);
+  evel_init_option_string(&fault->alarm_interface_a);
+  dlist_initialize(&fault->additional_info);
+
+exit_label:
+  EVEL_EXIT();
+  return fault;
+}
+
+/**************************************************************************//**
+ * Add an additional value name/value pair to the Fault.
+ *
+ * The name and value are null delimited ASCII strings.  The library takes
+ * a copy so the caller does not have to preserve values after the function
+ * returns.
+ *
+ * @param fault     Pointer to the fault.
+ * @param name      ASCIIZ string with the attribute's name.  The caller
+ *                  does not need to preserve the value once the function
+ *                  returns.
+ * @param value     ASCIIZ string with the attribute's value.  The caller
+ *                  does not need to preserve the value once the function
+ *                  returns.
+ *****************************************************************************/
+void evel_fault_addl_info_add(EVENT_FAULT * fault, char * name, char * value)
+{
+  FAULT_ADDL_INFO * addl_info = NULL;
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(fault != NULL);
+  assert(fault->header.event_domain == EVEL_DOMAIN_FAULT);
+  assert(name != NULL);
+  assert(value != NULL);
+
+  EVEL_DEBUG("Adding name=%s value=%s", name, value);
+  addl_info = malloc(sizeof(FAULT_ADDL_INFO));
+  assert(addl_info != NULL);
+  memset(addl_info, 0, sizeof(FAULT_ADDL_INFO));
+  addl_info->name = strdup(name);
+  addl_info->value = strdup(value);
+  assert(addl_info->name != NULL);
+  assert(addl_info->value != NULL);
+
+  dlist_push_last(&fault->additional_info, addl_info);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Alarm Interface A property of the Fault.
+ *
+ * @note  The property is treated as immutable: it is only valid to call
+ *        the setter once.  However, we don't assert if the caller tries to
+ *        overwrite, just ignoring the update instead.
+ *
+ * @param fault      Pointer to the fault.
+ * @param interface  The Alarm Interface A to be set. ASCIIZ string. The caller
+ *                   does not need to preserve the value once the function
+ *                   returns.
+ *****************************************************************************/
+void evel_fault_interface_set(EVENT_FAULT * fault,
+                              const char * const interface)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(fault != NULL);
+  assert(fault->header.event_domain == EVEL_DOMAIN_FAULT);
+  assert(interface != NULL);
+
+  evel_set_option_string(&fault->alarm_interface_a,
+                         interface,
+                         "Alarm Interface A");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Event Type property of the Fault.
+ *
+ * @note  The property is treated as immutable: it is only valid to call
+ *        the setter once.  However, we don't assert if the caller tries to
+ *        overwrite, just ignoring the update instead.
+ *
+ * @param fault      Pointer to the fault.
+ * @param type       The Event Type to be set. ASCIIZ string. The caller
+ *                   does not need to preserve the value once the function
+ *                   returns.
+ *****************************************************************************/
+void evel_fault_type_set(EVENT_FAULT * fault, const char * const type)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions and call evel_header_type_set.                      */
+  /***************************************************************************/
+  assert(fault != NULL);
+  assert(fault->header.event_domain == EVEL_DOMAIN_FAULT);
+  evel_header_type_set(&fault->header, type);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Encode the fault in JSON according to AT&T's schema for the fault type.
+ *
+ * @param jbuf          Pointer to the ::EVEL_JSON_BUFFER to encode into.
+ * @param event         Pointer to the ::EVENT_HEADER to encode.
+ *****************************************************************************/
+void evel_json_encode_fault(EVEL_JSON_BUFFER * jbuf,
+                            EVENT_FAULT * event)
+{
+  FAULT_ADDL_INFO * addl_info = NULL;
+  DLIST_ITEM * addl_info_item = NULL;
+  char * fault_severity;
+  char * fault_source_type;
+  char * fault_vf_status;
+
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(event != NULL);
+  assert(event->header.event_domain == EVEL_DOMAIN_FAULT);
+
+  fault_severity = evel_severity(event->event_severity);
+  fault_source_type = evel_source_type(event->event_source_type);
+  fault_vf_status = evel_vf_status(event->vf_status);
+
+  evel_json_encode_header(jbuf, &event->header);
+  evel_json_open_named_object(jbuf, "faultFields");
+
+  /***************************************************************************/
+  /* Mandatory fields.                                                       */
+  /***************************************************************************/
+  evel_enc_kv_string(jbuf, "alarmCondition", event->alarm_condition);
+  evel_enc_kv_string(jbuf, "eventSeverity", fault_severity);
+  evel_enc_kv_string(jbuf, "eventSourceType", fault_source_type);
+  evel_enc_kv_string(jbuf, "specificProblem", event->specific_problem);
+  evel_enc_kv_string(jbuf, "vfStatus", fault_vf_status);
+  evel_enc_version(
+    jbuf, "faultFieldsVersion", event->major_version, event->minor_version);
+
+  /***************************************************************************/
+  /* Optional fields.                                                        */
+  /***************************************************************************/
+
+  /***************************************************************************/
+  /* Checkpoint, so that we can wind back if all fields are suppressed.      */
+  /***************************************************************************/
+  evel_json_checkpoint(jbuf);
+  if (evel_json_open_opt_named_list(jbuf, "alarmAdditionalInformation"))
+  {
+    bool item_added = false;
+
+    addl_info_item = dlist_get_first(&event->additional_info);
+    while (addl_info_item != NULL)
+    {
+      addl_info = (FAULT_ADDL_INFO*) addl_info_item->item;
+      assert(addl_info != NULL);
+
+      if (!evel_throttle_suppress_nv_pair(jbuf->throttle_spec,
+                                          "alarmAdditionalInformation",
+                                          addl_info->name))
+      {
+        evel_json_open_object(jbuf);
+        evel_enc_kv_string(jbuf, "name", addl_info->name);
+        evel_enc_kv_string(jbuf, "value", addl_info->value);
+        evel_json_close_object(jbuf);
+        item_added = true;
+      }
+      addl_info_item = dlist_get_next(addl_info_item);
+    }
+    evel_json_close_list(jbuf);
+
+    /*************************************************************************/
+    /* If we've not written anything, rewind to before we opened the list.   */
+    /*************************************************************************/
+    if (!item_added)
+    {
+      evel_json_rewind(jbuf);
+    }
+  }
+  evel_enc_kv_opt_string(jbuf, "alarmInterfaceA", &event->alarm_interface_a);
+
+  evel_json_close_object(jbuf);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Free a Fault.
+ *
+ * Free off the Fault supplied.  Will free all the contained allocated memory.
+ *
+ * @note It does not free the Fault itself, since that may be part of a
+ * larger structure.
+ *****************************************************************************/
+void evel_free_fault(EVENT_FAULT * event)
+{
+  FAULT_ADDL_INFO * addl_info = NULL;
+
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.  As an internal API we don't allow freeing NULL    */
+  /* events as we do on the public API.                                      */
+  /***************************************************************************/
+  assert(event != NULL);
+  assert(event->header.event_domain == EVEL_DOMAIN_FAULT);
+
+  /***************************************************************************/
+  /* Free all internal strings then the header itself.                       */
+  /***************************************************************************/
+  addl_info = dlist_pop_last(&event->additional_info);
+  while (addl_info != NULL)
+  {
+    EVEL_DEBUG("Freeing Additional Info (%s, %s)",
+               addl_info->name,
+               addl_info->value);
+    free(addl_info->name);
+    free(addl_info->value);
+    free(addl_info);
+    addl_info = dlist_pop_last(&event->additional_info);
+  }
+  free(event->alarm_condition);
+  evel_free_option_string(&event->alarm_interface_a);
+  free(event->specific_problem);
+  evel_free_header(&event->header);
+
+  EVEL_EXIT();
+}