vnfs/VES5.0/evel/evel-library/code/evel_training/09-raise-state-change/hello_evel_world.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <unistd.h>
   4
   5 #include "evel.h"
   6
   7 /*****************************************************************************/
   8 /* Local prototypes.                                                         */
   9 /*****************************************************************************/
  10 static void demo_state_change(void);
  11
  12 int main(int argc, char ** argv)
  13 {
  14   EVEL_ERR_CODES evel_rc = EVEL_SUCCESS;
  15   EVENT_HEADER * heartbeat = NULL;
  16
  17   printf("\nHello AT&T Vendor Event world!\n");
  18   fflush(stdout);
  19
  20   if (argc != 5)
  21   {
  22     fprintf(stderr,
  23             "Usage: %s <FQDN>|<IP address> <port> "
  24             "<username> <password>\n", argv[0]);
  25     exit(-1);
  26   }
  27
  28   /***************************************************************************/
  29   /* Initialize                                                              */
  30   /***************************************************************************/
  31   if (evel_initialize(argv[1],                      /* FQDN                  */
  32                       atoi(argv[2]),                /* Port                  */
  33                       NULL,                         /* optional path         */
  34                       NULL,                         /* optional topic        */
  35                       0,                            /* HTTPS?                */
  36                       argv[3],                      /* Username              */
  37                       argv[4],                      /* Password              */
  38                       EVEL_SOURCE_VIRTUAL_MACHINE,  /* Source type           */
  39                       "EVEL training demo",         /* Role                  */
  40                       0))                           /* Verbosity             */
  41   {
  42     fprintf(stderr, "\nFailed to initialize the EVEL library!!!\n");
  43     exit(-1);
  44   }
  45   else
  46   {
  47     printf("\nInitialization completed\n");
  48   }
  49
  50   /***************************************************************************/
  51   /* Send a heartbeat just to show we're alive!                              */
  52   /***************************************************************************/
  53   heartbeat = evel_new_heartbeat();
  54   if (heartbeat != NULL)
  55   {
  56     evel_rc = evel_post_event(heartbeat);
  57     if (evel_rc != EVEL_SUCCESS)
  58     {
  59       printf("Post failed %d (%s)", evel_rc, evel_error_string());
  60     }
  61   }
  62   else
  63   {
  64     printf("New heartbeat failed");
  65   }
  66
  67   /***************************************************************************/
  68   /* Raise a state change                                                    */
  69   /***************************************************************************/
  70   demo_state_change();
  71
  72   /***************************************************************************/
  73   /* Terminate                                                               */
  74   /***************************************************************************/
  75   sleep(1);
  76   evel_terminate();
  77   printf("Terminated\n");
  78
  79   return 0;
  80 }
  81
  82 /**************************************************************************//**
  83  * Create and send a state change event.
  84  *****************************************************************************/
  85 void demo_state_change(void)
  86 {
  87   EVENT_STATE_CHANGE * state_change = NULL;
  88   EVEL_ERR_CODES evel_rc = EVEL_SUCCESS;
  89
  90   /***************************************************************************/
  91   /* State Change                                                            */
  92   /***************************************************************************/
  93   state_change = evel_new_state_change(EVEL_ENTITY_STATE_IN_SERVICE,
  94                                        EVEL_ENTITY_STATE_OUT_OF_SERVICE,
  95                                        "Interface");
  96   if (state_change != NULL)
  97   {
  98     evel_state_change_type_set(state_change, "State Change");
  99     evel_state_change_addl_field_add(state_change, "Name1", "Value1");
 100     evel_state_change_addl_field_add(state_change, "Name2", "Value2");
 101     evel_rc = evel_post_event((EVENT_HEADER *)state_change);
 102     if (evel_rc == EVEL_SUCCESS)
 103     {
 104       printf("Post OK!\n");
 105     }
 106     else
 107     {
 108       printf("Post Failed %d (%s)\n", evel_rc, evel_error_string());
 109     }
 110   }
 111   else
 112   {
 113     printf("Failed to create event (%s)\n", evel_error_string());
 114   }
 115
 116   printf("   Processed State Change\n");
 117 }