ntsimulator/src/o-ran-notifications/o-ran-notifications.c

   1 /*
   2  * o-ran-notifications.c
   3  *
   4  *  Created on: Oct 23, 2019
   5  *      Author: parallels
   6  */
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <unistd.h>
  11 #include <signal.h>
  12 #include <inttypes.h>
  13 #include <time.h>
  14 #include <math.h>
  15 #include <sys/time.h>
  16
  17 #include "sysrepo.h"
  18 #include "sysrepo/values.h"
  19
  20 #include "utils.h"
  21
  22 #define LINE_BUFSIZE 128
  23 #define ORAN_FAULT_ALARMS_NUMBER 10
  24 #define AFFECTED_OBJECTS_MAX_NUMBER 100
  25
  26 volatile int exit_application = 0;
  27
  28 struct faultAlarms
  29 {
  30         int             faultId;
  31         char*           faultSource;
  32         int             cleared;
  33         char*           faultSeverity;
  34         char*           faultText;
  35         char*           affectedObjects[AFFECTED_OBJECTS_MAX_NUMBER];
  36 };
  37 struct faultAlarms oran_fault_alarms[ORAN_FAULT_ALARMS_NUMBER] = {
  38                 {.faultId = 1, .faultSource = "jknsdfnui", .affectedObjects = {"akddconoj", "asodmnjvf", "roiemfkmods"}, .cleared = 1, .faultSeverity = "MAJOR", .faultText = "sdnjosopnojnsd"},
  39                 {.faultId = 2, .faultSource = "onascokjnasc", .affectedObjects = {"sdouvncsjdfv13", "asjdn13ejlncd4"}, .cleared = 1, .faultSeverity = "WARNING", .faultText = "4pionfcsofn42on"},
  40                 {.faultId = 3, .faultSource = "asonxpkn", .affectedObjects = {"0j4fiwef320fd", "sdlvkmsdv-9023"}, .cleared = 1, .faultSeverity = "CRITICAL", .faultText = "sdjnonj32onjsa23"},
  41                 {.faultId = 4, .faultSource = "asnjcpkd", .affectedObjects = {"0j4fiwef320fd", "sdlvkmsdv-9023", "laksmdklmdas21"}, .cleared = 1, .faultSeverity = "MINOR", .faultText = "asdjln12osa453"},
  42                 {.faultId = 5, .faultSource = "dskmfl", .affectedObjects = {"sdkm31wdlk"}, .cleared = 1, .faultSeverity = "MAJOR", .faultText = "dknovrf34ekl"},
  43                 {.faultId = 6, .faultSource = "dsllkje232kl", .affectedObjects = {"sFKOM24KLMerw"}, .cleared = 1, .faultSeverity = "MAJOR", .faultText = "frpkm24k lsd  kmewfpm"},
  44                 {.faultId = 7, .faultSource = "fvkdlsfjnwej23kloe", .affectedObjects = {"fvkm24km", "sdfk23d", "kmdfkmo32", "wekl2332"}, .cleared = 1, .faultSeverity = "WARNING", .faultText = "dsm 2d 32j sdfmr32"},
  45                 {.faultId = 8, .faultSource = "dkom32", .affectedObjects = {"kmsdfkpm23ds", "sdmkp32"}, .cleared = 1, .faultSeverity = "CRITICAL", .faultText = "dsonj32 don32 mdson32pk654"},
  46                 {.faultId = 9, .faultSource = "weflm3", .affectedObjects = {"klklm32kl3", "dsfln234poewj23-", "spmd32k"}, .cleared = 1, .faultSeverity = "MINOR", .faultText = "dsflknjwej32"},
  47                 {.faultId = 10, .faultSource = "fweiunvfrem32", .affectedObjects = {"sfkm23klsdf2343"}, .cleared = 1, .faultSeverity = "MAJOR", .faultText = "dfskjnl4j dsfknl2 fodn54 65k"}
  48 };
  49
  50 static  CURL *curl;
  51
  52 static int _init_curl()
  53 {
  54         curl = curl_easy_init();
  55
  56         if (curl == NULL) {
  57                 printf("cURL initialization error! Aborting call!\n");
  58                 return SR_ERR_OPERATION_FAILED;
  59         }
  60
  61         return SR_ERR_OK;
  62 }
  63
  64 static int cleanup_curl()
  65 {
  66         if (curl != NULL)
  67         {
  68                 curl_easy_cleanup(curl);
  69         }
  70
  71         return SR_ERR_OK;
  72 }
  73
  74 static int send_fault_ves_message(char *alarm_condition, char *alarm_object, char *severity, char *date_time, char *specific_problem)
  75 {
  76         CURLcode res;
  77         static sequence_id = 0;
  78
  79         prepare_ves_message_curl(curl);
  80
  81         cJSON *postDataJson = cJSON_CreateObject();
  82
  83         cJSON *event = cJSON_CreateObject();
  84         if (event == NULL)
  85         {
  86                 printf("Could not create JSON object: event\n");
  87                 return 1;
  88         }
  89         cJSON_AddItemToObject(postDataJson, "event", event);
  90
  91         char *hostname = getenv("HOSTNAME");
  92
  93         cJSON *commonEventHeader = vesCreateCommonEventHeader("fault", "O_RAN_COMPONENT_Alarms", hostname, sequence_id++);
  94         if (commonEventHeader == NULL)
  95         {
  96                 printf("Could not create JSON object: commonEventHeader\n");
  97                 return 1;
  98         }
  99         cJSON_AddItemToObject(event, "commonEventHeader", commonEventHeader);
 100
 101         cJSON *faultFields = vesCreateFaultFields(alarm_condition, alarm_object, severity, date_time, specific_problem);
 102         if (faultFields == NULL)
 103         {
 104                 printf("Could not create JSON object: faultFields\n");
 105                 return 1;
 106         }
 107         cJSON_AddItemToObject(event, "faultFields", faultFields);
 108
 109     char *post_data_string = NULL;
 110
 111         post_data_string = cJSON_PrintUnformatted(postDataJson);
 112
 113         printf("Post data JSON:\n%s\n", post_data_string);
 114
 115         if (postDataJson != NULL)
 116         {
 117                 cJSON_Delete(postDataJson);
 118         }
 119
 120         curl_easy_setopt(curl, CURLOPT_POSTFIELDS, post_data_string);
 121
 122         res = curl_easy_perform(curl);
 123
 124         if (res != CURLE_OK)
 125         {
 126                 printf("Failed to send cURL...\n");
 127                 return SR_ERR_OPERATION_FAILED;
 128         }
 129
 130         return SR_ERR_OK;
 131 }
 132
 133 static int send_dummy_notif_file_mgmt(sr_session_ctx_t *sess)
 134 {
 135         int rc;
 136
 137         sr_val_t *vnotif;
 138         size_t current_num_of_values= 0;
 139
 140         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 141
 142         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-file-management:file-upload-notification/local-logical-file-path");
 143         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_STRING_T, "odsanzucjsdoj");
 144
 145         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 146
 147         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-file-management:file-upload-notification/remote-file-path");
 148         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_STRING_T, "jsdknvjnkfd");
 149
 150         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 151
 152         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-file-management:file-upload-notification/status");
 153         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_ENUM_T, "SUCCESS");
 154
 155         rc = sr_event_notif_send(sess, "/o-ran-file-management:file-upload-notification", vnotif, current_num_of_values, SR_EV_NOTIF_DEFAULT);
 156         if (rc != SR_ERR_OK) {
 157                 printf("Failed to send notification send_dummy_notif_file_mgmt\n");
 158                 return SR_ERR_OPERATION_FAILED;
 159         }
 160
 161         printf("Successfully sent notification...\n");
 162
 163         sr_free_values(vnotif, current_num_of_values);
 164
 165         return SR_ERR_OK;
 166 }
 167
 168 static int send_dummy_notif(sr_session_ctx_t *sess)
 169 {
 170         int rc;
 171
 172     char dateAndTime[256];
 173     time_t t = time(NULL);
 174     struct tm tm = *localtime(&t);
 175     struct timeval tv;
 176     int millisec;
 177
 178     gettimeofday(&tv, NULL);
 179     millisec = lrint(tv.tv_usec/1000.0); // Round to nearest millisec
 180     if (millisec>=1000)
 181     { // Allow for rounding up to nearest second
 182         millisec -=1000;
 183         tv.tv_sec++;
 184         millisec /= 100;
 185     }
 186     sprintf(dateAndTime, "%04d-%02d-%02dT%02d:%02d:%02d.%01dZ",
 187     tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
 188     tm.tm_hour, tm.tm_min, tm.tm_sec, millisec/100);
 189
 190     int ran = (int) random_at_most(ORAN_FAULT_ALARMS_NUMBER - 1);
 191
 192     if (oran_fault_alarms[ran].cleared == 1)
 193     {
 194         oran_fault_alarms[ran].cleared = 0;
 195     }
 196     else
 197     {
 198         oran_fault_alarms[ran].cleared = 1;
 199     }
 200
 201         sr_val_t *vnotif;
 202         size_t current_num_of_values= 0;
 203
 204         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 205
 206         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/fault-id");
 207         vnotif[current_num_of_values - 1].type = SR_UINT16_T;
 208         vnotif[current_num_of_values - 1].data.uint16_val = oran_fault_alarms[ran].faultId;
 209
 210         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 211
 212         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/fault-source");
 213         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_STRING_T, oran_fault_alarms[ran].faultSource);
 214
 215         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 216
 217         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/fault-severity");
 218         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_ENUM_T, oran_fault_alarms[ran].faultSeverity);
 219
 220         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 221
 222         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/is-cleared");
 223         vnotif[current_num_of_values - 1].type = SR_BOOL_T;
 224         vnotif[current_num_of_values - 1].data.bool_val = oran_fault_alarms[ran].cleared;
 225
 226         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 227
 228         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/fault-text");
 229         sr_val_set_str_data(&vnotif[current_num_of_values - 1], SR_STRING_T, oran_fault_alarms[ran].faultText);
 230
 231         CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 232
 233         sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", "/o-ran-fm:alarm-notif/event-time");
 234         sr_val_build_str_data(&vnotif[current_num_of_values - 1], SR_STRING_T, "%s", dateAndTime);
 235
 236         for (int  i = 0; i < AFFECTED_OBJECTS_MAX_NUMBER; ++i)
 237         {
 238                 char path[400];
 239                 if (oran_fault_alarms[ran].affectedObjects[i] == NULL)
 240                 {
 241                         break;
 242                 }
 243
 244                 sprintf(path, "/o-ran-fm:alarm-notif/affected-objects[name='%s']", oran_fault_alarms[ran].affectedObjects[i]);
 245
 246                 CREATE_NEW_VALUE(rc, vnotif, current_num_of_values);
 247
 248                 sr_val_build_xpath(&vnotif[current_num_of_values - 1], "%s", path);
 249                 vnotif[current_num_of_values - 1].type = SR_LIST_T;
 250         }
 251
 252         int isNetconfAvailable = getNetconfAvailableFromConfigJson();
 253         int isVesAvailable = getVesAvailableFromConfigJson();
 254
 255         if (isNetconfAvailable)
 256         {
 257                 rc = sr_event_notif_send(sess, "/o-ran-fm:alarm-notif", vnotif, current_num_of_values, SR_EV_NOTIF_DEFAULT);
 258                 if (rc != SR_ERR_OK)
 259                 {
 260                         printf("Failed to send notification send_dummy_notif\n");
 261                         return SR_ERR_OPERATION_FAILED;
 262                 }
 263                 printf("Successfully sent notification with timestamp=\"%s\"\n", dateAndTime);
 264         }
 265         if (isVesAvailable)
 266         {
 267                 char faultId[10];
 268                 sprintf(faultId, "%d", oran_fault_alarms[ran].faultId);
 269                 rc = send_fault_ves_message(faultId, oran_fault_alarms[ran].faultSource,
 270                                 (oran_fault_alarms[ran].cleared) ? "NORMAL" : oran_fault_alarms[ran].faultSeverity, dateAndTime, oran_fault_alarms[ran].faultText);
 271                 if (rc != SR_ERR_OK)
 272                 {
 273                         printf("Could not send Fault VES message\n");
 274                 }
 275         }
 276
 277         sr_free_values(vnotif, current_num_of_values);
 278
 279         return SR_ERR_OK;
 280 }
 281
 282 static void
 283 sigint_handler(int signum)
 284 {
 285     exit_application = 1;
 286 }
 287
 288 int
 289 main(int argc, char **argv)
 290 {
 291     sr_conn_ctx_t *connection = NULL;
 292     sr_session_ctx_t *session = NULL;
 293     sr_subscription_ctx_t *subscription = NULL;
 294     int rc = SR_ERR_OK;
 295     int notification_delay_period = 0; //seconds
 296
 297     setbuf(stdout, NULL);
 298
 299     /* connect to sysrepo */
 300     rc = sr_connect("oran_notifications", SR_CONN_DEFAULT, &connection);
 301     if (SR_ERR_OK != rc) {
 302         fprintf(stderr, "Error by sr_connect: %s\n", sr_strerror(rc));
 303         goto cleanup;
 304     }
 305
 306     /* start session */
 307     rc = sr_session_start(connection, SR_DS_RUNNING, SR_SESS_DEFAULT, &session);
 308     if (SR_ERR_OK != rc) {
 309         fprintf(stderr, "Error by sr_session_start: %s\n", sr_strerror(rc));
 310         goto cleanup;
 311     }
 312
 313     rc = _init_curl();
 314     if (rc != SR_ERR_OK)
 315     {
 316         fprintf(stderr, "Could not initialize cURL: %s\n", sr_strerror(rc));
 317         goto cleanup;
 318     }
 319
 320     /* loop until ctrl-c is pressed / SIGINT is received */
 321     signal(SIGINT, sigint_handler);
 322     signal(SIGPIPE, SIG_IGN);
 323
 324
 325     while (!exit_application) {
 326         notification_delay_period = getFaultNotificationDelayPeriodFromConfigJson();
 327
 328         if (notification_delay_period > 0)
 329         {
 330                 send_dummy_notif(session);
 331 //              send_dummy_notif_file_mgmt(session);
 332
 333             sleep(notification_delay_period);
 334         }
 335         else
 336         {
 337                 sleep(1);
 338         }
 339
 340     }
 341
 342     printf("Application exit requested, exiting.\n");
 343
 344 cleanup:
 345     if (NULL != subscription) {
 346         sr_unsubscribe(session, subscription);
 347     }
 348     if (NULL != session) {
 349         sr_session_stop(session);
 350     }
 351     if (NULL != connection) {
 352         sr_disconnect(connection);
 353     }
 354     cleanup_curl();
 355     printf("Error encountered. Exiting...");
 356     return rc;
 357 }
 358
 359
 360
 361