diff options
Diffstat (limited to 'tests/onap-demo/blueprints/tosca-vnfd-onap-demo/vLB/vDNS_vpp_measurement_reporter.c')
| -rw-r--r-- | tests/onap-demo/blueprints/tosca-vnfd-onap-demo/vLB/vDNS_vpp_measurement_reporter.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/tests/onap-demo/blueprints/tosca-vnfd-onap-demo/vLB/vDNS_vpp_measurement_reporter.c b/tests/onap-demo/blueprints/tosca-vnfd-onap-demo/vLB/vDNS_vpp_measurement_reporter.c new file mode 100644 index 0000000..ca6a7cd --- /dev/null +++ b/tests/onap-demo/blueprints/tosca-vnfd-onap-demo/vLB/vDNS_vpp_measurement_reporter.c @@ -0,0 +1,376 @@ + +/*************************************************************************//** + * + * 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 *); + +unsigned long long epoch_start = 0; + + +#ifdef DOCKER +int measure_traffic() +{ + + EVEL_ERR_CODES evel_rc = EVEL_SUCCESS; + FILE *fp; + int status; + char count[10]; + time_t rawtime; + struct tm * timeinfo; + char period [21]; + char cmd [100]; + int concurrent_sessions = 0; + int configured_entities = 0; + double mean_request_latency = 0; + double measurement_interval = 1; + double memory_configured = 0; + double memory_used = 0; + int request_rate=0; + char secs [3]; + int sec; + double loadavg; + + printf("Checking app traffic\n"); + time (&rawtime); + timeinfo = localtime (&rawtime); + strftime(period,21,"%d/%b/%Y:%H:%M:",timeinfo); + strftime(secs,3,"%S",timeinfo); + sec = atoi(secs); + if (sec == 0) sec = 59; + sprintf(secs, "%02d", sec); + strncat(period, secs, 21); + // ....x....1....x....2. + // 15/Oct/2016:17:51:19 + strcpy(cmd, "sudo docker logs vHello | grep -c "); + strncat(cmd, period, 100); + + fp = popen(cmd, "r"); + if (fp == NULL) { + EVEL_ERROR("popen failed to execute command"); + } + + if (fgets(count, 10, fp) != NULL) { + request_rate = atoi(count); + printf("Reporting request rate for second: %s as %d\n", period, request_rate); + + } + else { + EVEL_ERROR("New Measurement failed"); + } + printf("Processed measurement\n"); + + status = pclose(fp); + if (status == -1) { + EVEL_ERROR("pclose returned an error"); + } + return request_rate; +} + +#endif + + + +/**************************************************************************//** + * tap live cpu stats + *****************************************************************************/ +void evel_get_cpu_stats(EVENT_MEASUREMENT * measurement) +{ + FILE *fp; + char path[1024]; + double usage=0.0; + double idle; + double intrpt; + double nice; + double softirq; + double steal; + double sys; + double user; + double wait; + MEASUREMENT_CPU_USE *cpu_use = NULL; + + /* Open the command for reading. */ + //fp = popen("/bin/ls /etc/", "r"); + fp = popen("/usr/bin/top -bn 2 -d 0.01 | grep '^%Cpu' | tail -n 1 ", "r"); + if (fp == NULL) { + printf("Failed to run command\n" ); + exit(1); + } + + /* Read the output a line at a time - output it. */ + while (fgets(path, sizeof(path)-1, fp) != NULL) { + printf("%s", path+10); + sscanf(path+10," %lf us, %lf sy, %lf ni, %lf id, %lf wa, %lf hi, %lf si, %lf st", + &user,&sys,&nice,&idle,&wait,&intrpt,&softirq,&steal); + } + + /* close */ + pclose(fp); + + cpu_use = evel_measurement_new_cpu_use_add(measurement, "cpu1", usage); + if( cpu_use != NULL ){ + evel_measurement_cpu_use_idle_set(cpu_use,idle); + //evel_measurement_cpu_use_interrupt_set(cpu_use,intrpt); + //evel_measurement_cpu_use_nice_set(cpu_use,nice); + //evel_measurement_cpu_use_softirq_set(cpu_use,softirq); + //evel_measurement_cpu_use_steal_set(cpu_use,steal); + evel_measurement_cpu_use_system_set(cpu_use,sys); + evel_measurement_cpu_use_usageuser_set(cpu_use,user); + //evel_measurement_cpu_use_wait_set(cpu_use,wait); + //evel_measurement_cpu_use_add(measurement, "cpu2", usage,idle,intrpt,nice,softirq,steal,sys,user,wait); + } +} + +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* api_vmid = argv[1]; + char* api_fqdn = argv[2]; + int api_port = atoi(argv[3]); + char* api_username = argv[4]; + char* api_password = argv[5]; + char* vnic = argv[6]; + MEASUREMENT_VNIC_PERFORMANCE * vnic_performance = NULL; + //struct timeval tv_start; + + printf("\nVector Packet Processing (VPP) measurement collection\n"); + fflush(stdout); + + if (argc != 4) + { + fprintf(stderr, "Usage: %s <vmid> <fqdn>|<IP address> <port> <interface> <username> <password> <vnic>\n", argv[0]); + exit(-1); + } + srand(time(NULL)); + + /**************************************************************************/ + /* Initialize */ + /**************************************************************************/ + if(evel_initialize(api_fqdn, /* fqdn */ + api_port, /* port */ + NULL, /* optional path */ + NULL, /* optional topic */ + 0, /* HTTPS? */ + api_username, /* Username */ + api_password, /* Password */ + EVEL_SOURCE_VIRTUAL_MACHINE, /* Source type */ + "vFirewall", /* 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); + epoch_start = 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(vnic, "true"); + evel_meas_vnic_performance_add(vpp_m, vnic_performance); + + if(vpp_m != NULL) { + printf("New measurement report created...\n"); + + evel_measurement_type_set(vpp_m, "HTTP request rate"); + evel_measurement_request_rate_set(vpp_m, rand()%10000); + + 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; + + evel_reporting_entity_id_set(&vpp_m->header, api_vmid); + evel_reporting_entity_name_set(&vpp_m->header, 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()); + } + + 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]; +} |