Change location of VES5.0 code

Change-Id: If8a1173813eb4d5c14c04b132269696a748505e7
Signed-off-by: Marco Platania <platania@research.att.com>

1 files changed, 253 insertions, 0 deletions

diff --git a/vnfs/VESreporting_vLB5.0/vpp_measurement_reporter.c b/vnfs/VESreporting_vLB5.0/vpp_measurement_reporter.c
new file mode 100644
index 00000000..1dae8bbf
--- /dev/null
+++ b/vnfs/VESreporting_vLB5.0/vpp_measurement_reporter.c
@@ -0,0 +1,253 @@
+
+/*************************************************************************//**
+ *
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ *
+ * Licensed 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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/time.h>
+#include <math.h>
+
+#include "evel.h"
+
+#define BUFSIZE 128
+#define READ_INTERVAL 10
+
+typedef struct dummy_vpp_metrics_struct {
+  int bytes_in;
+  int bytes_out;
+  int packets_in;
+  int packets_out;
+} vpp_metrics_struct;
+
+void read_vpp_metrics(vpp_metrics_struct *, char *);
+
+int main(int argc, char** argv)
+{
+  EVEL_ERR_CODES evel_rc = EVEL_SUCCESS;
+  EVENT_MEASUREMENT* vpp_m = NULL;
+  EVENT_HEADER* vpp_m_header = NULL;
+  int bytes_in_this_round;
+  int bytes_out_this_round;
+  int packets_in_this_round;
+  int packets_out_this_round;
+  vpp_metrics_struct* last_vpp_metrics = malloc(sizeof(vpp_metrics_struct));
+  vpp_metrics_struct* curr_vpp_metrics = malloc(sizeof(vpp_metrics_struct));
+  struct timeval time_val;
+  //time_t start_epoch;
+  //time_t last_epoch;
+  char hostname[BUFSIZE];
+  char* fqdn = argv[1];
+  int port = atoi(argv[2]);
+  char* vnic = argv[3];
+  MEASUREMENT_VNIC_PERFORMANCE * vnic_performance = NULL;
+
+  printf("\nVector Packet Processing (VPP) measurement collection\n");
+  fflush(stdout);
+
+  if (argc != 4)
+  {
+    fprintf(stderr, "Usage: %s <FQDN>|<IP address> <port> <interface>\n", argv[0]);
+    exit(-1);
+  }
+
+  /**************************************************************************/
+  /* Initialize                                                             */
+  /**************************************************************************/
+  if(evel_initialize(fqdn,                         /* FQDN                  */
+                     port, 	                   /* Port                  */
+                     NULL,                         /* optional path         */
+                     NULL,                         /* optional topic        */
+                     0,                            /* HTTPS?                */
+                     "",                           /* Username              */
+                     "",                           /* Password              */
+                     EVEL_SOURCE_VIRTUAL_MACHINE,  /* Source type           */
+                     "vLoadBalancer",              /* Role                  */
+                     1))                           /* Verbosity             */
+  {
+    fprintf(stderr, "\nFailed to initialize the EVEL library!!!\n");
+    exit(-1);
+  }
+  else
+  {
+    printf("\nInitialization completed\n");
+  }
+
+  gethostname(hostname, BUFSIZE);
+  memset(last_vpp_metrics, 0, sizeof(vpp_metrics_struct));
+  read_vpp_metrics(last_vpp_metrics, vnic);
+  gettimeofday(&time_val, NULL);
+  start_epoch = time_val.tv_sec * 1000000 + time_val.tv_usec;
+  sleep(READ_INTERVAL);
+
+  /***************************************************************************/
+  /* Collect metrics from the VNIC                                           */
+  /***************************************************************************/
+  while(1) {
+    // Read the number of vDNSs currently active
+    int active_dns = 0;
+    FILE* fd = fopen("active_dns.txt", "r");
+    while(!feof(fd)) {
+      if(fscanf(fd, "%d", &active_dns) != 1) /* Avoid infinite loops if the file doesn't contain exactly one number */
+        break;
+    }
+
+    if(fclose(fd))  {
+      printf("Error when closing file\n");
+      return 1;
+    }
+
+    memset(curr_vpp_metrics, 0, sizeof(vpp_metrics_struct));
+    read_vpp_metrics(curr_vpp_metrics, vnic);
+
+    if(active_dns > 0 && (curr_vpp_metrics->bytes_in - last_vpp_metrics->bytes_in > 0)) {
+      bytes_in_this_round = (int) round((curr_vpp_metrics->bytes_in - last_vpp_metrics->bytes_in) / active_dns);
+    }
+    else {
+      bytes_in_this_round = 0;
+    }
+    if(active_dns > 0 && (curr_vpp_metrics->bytes_out - last_vpp_metrics->bytes_out > 0)) {
+      bytes_out_this_round = (int) round((curr_vpp_metrics->bytes_out - last_vpp_metrics->bytes_out) / active_dns);
+    }
+    else {
+      bytes_out_this_round = 0;
+    }
+    if(active_dns > 0 && (curr_vpp_metrics->packets_in - last_vpp_metrics->packets_in > 0)) {
+      packets_in_this_round = (int) round((curr_vpp_metrics->packets_in - last_vpp_metrics->packets_in) / active_dns);
+    }
+    else {
+      packets_in_this_round = 0;
+    }
+    if(active_dns > 0 && (curr_vpp_metrics->packets_out - last_vpp_metrics->packets_out > 0)) {
+      packets_out_this_round = (int) round((curr_vpp_metrics->packets_out - last_vpp_metrics->packets_out) / active_dns);
+    }
+    else {
+      packets_out_this_round = 0;
+    }
+
+    vpp_m = evel_new_measurement(READ_INTERVAL);
+    vnic_performance = (MEASUREMENT_VNIC_PERFORMANCE *)evel_measurement_new_vnic_performance("eth0", "true");
+    evel_meas_vnic_performance_add(vpp_m, vnic_performance);
+
+    if(vpp_m != NULL) {
+      printf("New measurement report created...\n");
+
+      evel_vnic_performance_rx_total_pkt_acc_set(vnic_performance, packets_in_this_round);
+      evel_vnic_performance_tx_total_pkt_acc_set(vnic_performance, packets_out_this_round);
+
+      evel_vnic_performance_rx_octets_acc_set(vnic_performance, bytes_in_this_round);
+      evel_vnic_performance_tx_octets_acc_set(vnic_performance, bytes_out_this_round);
+
+      /***************************************************************************/
+      /* Set parameters in the MEASUREMENT header packet                         */
+      /***************************************************************************/
+      struct timeval tv_now;
+      gettimeofday(&tv_now, NULL);
+      unsigned long long epoch_now = tv_now.tv_usec + 1000000 * tv_now.tv_sec;
+
+      //last_epoch = start_epoch + READ_INTERVAL * 1000000;
+      vpp_m_header = (EVENT_HEADER *)vpp_m;
+      //vpp_m_header->start_epoch_microsec = start_epoch;
+      //vpp_m_header->last_epoch_microsec = last_epoch;
+      evel_start_epoch_set(&vpp_m->header, epoch_start);
+      evel_last_epoch_set(&vpp_m->header, epoch_now);
+      epoch_start = epoch_now;
+
+      strcpy(vpp_m_header->reporting_entity_id.value, "No UUID available");
+      strcpy(vpp_m_header->reporting_entity_name, hostname);
+      evel_rc = evel_post_event(vpp_m_header);
+
+      if(evel_rc == EVEL_SUCCESS) {
+        printf("Measurement report correctly sent to the collector!\n");
+      }
+      else {
+        printf("Post failed %d (%s)\n", evel_rc, evel_error_string());
+      }
+    }
+    else {
+      printf("New measurement report failed (%s)\n", evel_error_string());
+    }
+    evel_measurement_free_vnic_performance(vnic_performance);
+
+    last_vpp_metrics->bytes_in = curr_vpp_metrics->bytes_in;
+    last_vpp_metrics->bytes_out = curr_vpp_metrics->bytes_out;
+    last_vpp_metrics->packets_in = curr_vpp_metrics->packets_in;
+    last_vpp_metrics->packets_out = curr_vpp_metrics->packets_out;
+    //gettimeofday(&time_val, NULL);
+    //start_epoch = time_val.tv_sec * 1000000 + time_val.tv_usec;
+
+    sleep(READ_INTERVAL);
+  }
+
+  /***************************************************************************/
+  /* Terminate                                                               */
+  /***************************************************************************/
+  sleep(1);
+  evel_free_measurement(vpp_m);
+  free(last_vpp_metrics);
+  free(curr_vpp_metrics);
+  evel_terminate();
+  printf("Terminated\n");
+
+  return 0;
+}
+
+void read_vpp_metrics(vpp_metrics_struct *vpp_metrics, char *vnic) {
+  // Define an array of char that contains the parameters of the unix 'cut' command
+  char* params[] = {"-f3", "-f11", "-f4", "-f12"};
+  // Define the unix command to execute in order to read metrics from the vNIC
+  char* cmd_prefix = "sudo cat /proc/net/dev | grep \"";
+  char* cmd_mid = "\" | tr -s \' \' | cut -d\' \' ";
+  char cmd[BUFSIZE];
+  // Define other variables
+  char buf[BUFSIZE];		/* buffer used to store VPP metrics 	*/
+  int temp[] = {0, 0, 0, 0};	/* temp array that contains VPP values 	*/
+  FILE *fp;			/* file descriptor to pipe cmd to shell */
+  int i;
+
+  for(i = 0; i < 4; i++) {
+    // Clear buffers
+    memset(buf, 0, BUFSIZE);
+    memset(cmd, 0, BUFSIZE);
+    // Build shell command to read metrics from the vNIC
+    strcat(cmd, cmd_prefix);
+    strcat(cmd, vnic);
+    strcat(cmd, cmd_mid);
+    strcat(cmd, params[i]);
+    
+    // Open a pipe and read VPP values
+    if ((fp = popen(cmd, "r")) == NULL) {
+      printf("Error opening pipe!\n");
+      return;
+    }
+
+    while (fgets(buf, BUFSIZE, fp) != NULL);
+    temp[i] = atoi(buf);
+
+    if(pclose(fp))  {
+      printf("Command not found or exited with error status\n");
+      return;
+    }
+  }
+
+  // Store metrics read from the vNIC in the struct passed from the main function
+  vpp_metrics->bytes_in = temp[0];
+  vpp_metrics->bytes_out = temp[1];
+  vpp_metrics->packets_in = temp[2];
+  vpp_metrics->packets_out = temp[3];
+}