Initial OpenECOMP Demo commit

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

1 files changed, 500 insertions, 0 deletions

diff --git a/vnfs/VES/code/evel_library/evel_syslog.c b/vnfs/VES/code/evel_library/evel_syslog.c
new file mode 100644
index 00000000..64a94886
--- /dev/null
+++ b/vnfs/VES/code/evel_library/evel_syslog.c
@@ -0,0 +1,500 @@
+/**************************************************************************//**
+ * @file
+ * Implementation of EVEL functions relating to the Syslog.
+ *
+ * License
+ * -------
+ *
+ * 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_throttle.h"
+
+/**************************************************************************//**
+ * Create a new Syslog event.
+ *
+ * @note    The mandatory fields on the Syslog 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
+ *          Syslog has immutable properties.
+ * @param   event_source_type  The type of Syslog event source.
+ * @param   syslog_msg         The Syslog event message.
+ * @param   syslog_tag         The messgaeId identifying the type of message.
+ * @returns pointer to the newly manufactured ::EVENT_SYSLOG.  If the event is
+ *          not used (i.e. posted) it must be released using
+ *          ::evel_free_syslog.
+ * @retval  NULL  Failed to create the event.
+ *****************************************************************************/
+EVENT_SYSLOG * evel_new_syslog(EVEL_SOURCE_TYPES event_source_type,
+                               const char * const syslog_msg,
+                               const char * const syslog_tag)
+{
+  EVENT_SYSLOG * syslog = NULL;
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(event_source_type < EVEL_MAX_SOURCE_TYPES);
+  assert(syslog_msg != NULL);
+  assert(syslog_tag != NULL);
+
+  /***************************************************************************/
+  /* Allocate the Syslog.                                                    */
+  /***************************************************************************/
+  syslog = malloc(sizeof(EVENT_SYSLOG));
+  if (syslog == NULL)
+  {
+    log_error_state("Out of memory");
+    goto exit_label;
+  }
+  memset(syslog, 0, sizeof(EVENT_SYSLOG));
+  EVEL_DEBUG("New Syslog is at %lp", syslog);
+
+  /***************************************************************************/
+  /* Initialize the header & the Syslog fields.  Optional string values are  */
+  /* uninitialized (NULL).                                                   */
+  /***************************************************************************/
+  evel_init_header(&syslog->header);
+  syslog->header.event_domain = EVEL_DOMAIN_SYSLOG;
+  syslog->major_version = EVEL_SYSLOG_MAJOR_VERSION;
+  syslog->minor_version = EVEL_SYSLOG_MINOR_VERSION;
+  syslog->event_source_type = event_source_type;
+  syslog->syslog_msg = strdup(syslog_msg);
+  syslog->syslog_tag = strdup(syslog_tag);
+  dlist_initialize(&syslog->additional_fields);
+  evel_init_option_int(&syslog->syslog_facility);
+  evel_init_option_int(&syslog->syslog_proc_id);
+  evel_init_option_int(&syslog->syslog_ver);
+  evel_init_option_string(&syslog->event_source_host);
+  evel_init_option_string(&syslog->syslog_proc);
+  evel_init_option_string(&syslog->syslog_s_data);
+
+exit_label:
+  EVEL_EXIT();
+  return syslog;
+}
+
+/**************************************************************************//**
+ * Set the Event Type property of the Syslog.
+ *
+ * @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 syslog      Pointer to the syslog.
+ * @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_syslog_type_set(EVENT_SYSLOG * syslog,
+                          const char * const type)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions and call evel_header_type_set.                      */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  evel_header_type_set(&syslog->header, type);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Add an additional value name/value pair to the Syslog.
+ *
+ * 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 syslog    Pointer to the syslog.
+ * @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_syslog_addl_field_add(EVENT_SYSLOG * syslog,
+                                char * name,
+                                char * value)
+{
+  SYSLOG_ADDL_FIELD * addl_field = NULL;
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(name != NULL);
+  assert(value != NULL);
+
+  EVEL_DEBUG("Adding name=%s value=%s", name, value);
+  addl_field = malloc(sizeof(SYSLOG_ADDL_FIELD));
+  assert(addl_field != NULL);
+  memset(addl_field, 0, sizeof(SYSLOG_ADDL_FIELD));
+  addl_field->name = strdup(name);
+  addl_field->value = strdup(value);
+  assert(addl_field->name != NULL);
+  assert(addl_field->value != NULL);
+
+  dlist_push_last(&syslog->additional_fields, addl_field);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Event Source Host property of the Syslog.
+ *
+ * @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 syslog     Pointer to the Syslog.
+ * @param host       The Event Source Host to be set. ASCIIZ string. The caller
+ *                   does not need to preserve the value once the function
+ *                   returns.
+ *****************************************************************************/
+void evel_syslog_event_source_host_set(EVENT_SYSLOG * syslog,
+                                       const char * const host)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(host != NULL);
+
+  evel_set_option_string(&syslog->event_source_host,
+                         host,
+                         "Event Source Host");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Facility property of the Syslog.
+ *
+ * @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 syslog      Pointer to the Syslog.
+ * @param facility    The Syslog Facility to be set.  ASCIIZ string. The caller
+ *                    does not need to preserve the value once the function
+ *                    returns.
+ *****************************************************************************/
+void evel_syslog_facility_set(EVENT_SYSLOG * syslog,
+                              EVEL_SYSLOG_FACILITIES facility)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(facility < EVEL_MAX_SYSLOG_FACILITIES);
+
+  evel_set_option_int(&syslog->syslog_facility,
+                      facility,
+                      "Facility");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Process property of the Syslog.
+ *
+ * @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 syslog     Pointer to the Syslog.
+ * @param proc       The Process to be set. ASCIIZ string. The caller does not
+ *                   need to preserve the value once the function returns.
+ *****************************************************************************/
+void evel_syslog_proc_set(EVENT_SYSLOG * syslog, const char * const proc)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(proc != NULL);
+
+  evel_set_option_string(&syslog->syslog_proc, proc, "Process");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Process ID property of the Syslog.
+ *
+ * @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 syslog     Pointer to the Syslog.
+ * @param proc_id    The Process ID to be set. ASCIIZ string. The caller does
+ *                   not need to preserve the value once the function returns.
+ *****************************************************************************/
+void evel_syslog_proc_id_set(EVENT_SYSLOG * syslog, int proc_id)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(proc_id > 0);
+
+  evel_set_option_int(&syslog->syslog_proc_id,
+                      proc_id,
+                      "Process ID");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Version property of the Syslog.
+ *
+ * @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 syslog     Pointer to the Syslog.
+ * @param version    The Version to be set. ASCIIZ string. The caller does not
+ *                   need to preserve the value once the function returns.
+ *****************************************************************************/
+void evel_syslog_version_set(EVENT_SYSLOG * syslog, int version)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(version >= 0);
+
+  evel_set_option_int(&syslog->syslog_ver,
+                      version,
+                      "Version");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Set the Structured Data property of the Syslog.
+ *
+ * @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 syslog     Pointer to the Syslog.
+ * @param s_data     The Structured Data to be set. ASCIIZ string. The caller
+ *                   does not need to preserve the value once the function
+ *                   returns.
+ *****************************************************************************/
+void evel_syslog_s_data_set(EVENT_SYSLOG * syslog, const char * const s_data)
+{
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(syslog != NULL);
+  assert(syslog->header.event_domain == EVEL_DOMAIN_SYSLOG);
+  assert(s_data != NULL);
+
+  evel_set_option_string(&syslog->syslog_s_data,
+                         s_data,
+                         "Structured Data");
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Encode the Syslog in JSON according to AT&T's schema for the event 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_syslog(EVEL_JSON_BUFFER * jbuf,
+                             EVENT_SYSLOG * event)
+{
+  char * event_source_type;
+  SYSLOG_ADDL_FIELD * addl_field = NULL;
+  DLIST_ITEM * addl_field_item = NULL;
+
+  EVEL_ENTER();
+
+  /***************************************************************************/
+  /* Check preconditions.                                                    */
+  /***************************************************************************/
+  assert(event != NULL);
+  assert(event->header.event_domain == EVEL_DOMAIN_SYSLOG);
+
+  event_source_type = evel_source_type(event->event_source_type);
+
+  evel_json_encode_header(jbuf, &event->header);
+  evel_json_open_named_object(jbuf, "syslogFields");
+
+  /***************************************************************************/
+  /* Mandatory fields                                                        */
+  /***************************************************************************/
+  evel_enc_kv_string(jbuf, "eventSourceType", event_source_type);
+  evel_enc_kv_string(jbuf, "syslogMsg", event->syslog_msg);
+  evel_enc_kv_string(jbuf, "syslogTag", event->syslog_tag);
+  evel_enc_version(
+    jbuf, "syslogFieldsVersion", event->major_version, event->minor_version);
+
+  /***************************************************************************/
+  /* Optional fields                                                         */
+  /***************************************************************************/
+  evel_json_checkpoint(jbuf);
+  if (evel_json_open_opt_named_list(jbuf, "additionalFields"))
+  {
+    bool item_added = false;
+
+    addl_field_item = dlist_get_first(&event->additional_fields);
+    while (addl_field_item != NULL)
+    {
+      addl_field = (SYSLOG_ADDL_FIELD *) addl_field_item->item;
+      assert(addl_field != NULL);
+
+      if (!evel_throttle_suppress_nv_pair(jbuf->throttle_spec,
+                                          "additionalFields",
+                                          addl_field->name))
+      {
+        evel_json_open_object(jbuf);
+        evel_enc_kv_string(jbuf, "name", addl_field->name);
+        evel_enc_kv_string(jbuf, "value", addl_field->value);
+        evel_json_close_object(jbuf);
+        item_added = true;
+      }
+      addl_field_item = dlist_get_next(addl_field_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, "eventSourceHost", &event->event_source_host);
+  evel_enc_kv_opt_int(jbuf, "syslogFacility", &event->syslog_facility);
+  evel_enc_kv_opt_string(jbuf, "syslogProc", &event->syslog_proc);
+  evel_enc_kv_opt_int(jbuf, "syslogProcId", &event->syslog_proc_id);
+  evel_enc_kv_opt_string(jbuf, "syslogSData", &event->syslog_s_data);
+  evel_enc_kv_opt_int(jbuf, "syslogVer", &event->syslog_ver);
+  evel_json_close_object(jbuf);
+
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_KERNEL == 0);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_USER == 1);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_MAIL == 2);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_SYSTEM_DAEMON == 3);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_SECURITY_AUTH == 4);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_INTERNAL == 5);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LINE_PRINTER == 6);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_NETWORK_NEWS == 7);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_UUCP == 8);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_CLOCK_DAEMON == 9);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_SECURITY_AUTH2 == 10);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_FTP_DAEMON == 11);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_NTP == 12);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOG_AUDIT == 13);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOG_ALERT == 14);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_CLOCK_DAEMON2 == 15);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL0 == 16);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL1 == 17);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL2 == 18);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL3 == 19);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL4 == 20);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL5 == 21);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL6 == 22);
+  EVEL_CT_ASSERT(EVEL_SYSLOG_FACILITY_LOCAL7 == 23);
+
+  EVEL_EXIT();
+}
+
+/**************************************************************************//**
+ * Free a Syslog.
+ *
+ * Free off the Syslog supplied.  Will free all the contained allocated memory.
+ *
+ * @note It does not free the Syslog itself, since that may be part of a
+ * larger structure.
+ *****************************************************************************/
+void evel_free_syslog(EVENT_SYSLOG * event)
+{
+  SYSLOG_ADDL_FIELD * addl_field = 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_SYSLOG);
+
+  /***************************************************************************/
+  /* Free all internal strings then the header itself.                       */
+  /***************************************************************************/
+  addl_field = dlist_pop_last(&event->additional_fields);
+  while (addl_field != NULL)
+  {
+    EVEL_DEBUG("Freeing Additional Field (%s, %s)",
+               addl_field->name,
+               addl_field->value);
+    free(addl_field->name);
+    free(addl_field->value);
+    free(addl_field);
+    addl_field = dlist_pop_last(&event->additional_fields);
+  }
+
+  evel_free_option_string(&event->event_source_host);
+  free(event->syslog_msg);
+  evel_free_option_string(&event->syslog_proc);
+  evel_free_option_string(&event->syslog_s_data);
+  free(event->syslog_tag);
+  evel_free_header(&event->header);
+
+  EVEL_EXIT();
+}