+++ /dev/null
-/* $Id$ */
-
-/* saturate - link saturation demo of AMOK features */
-
-/* Copyright (c) 2003-6 Martin Quinson. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <time.h>
-
-#include "gras.h"
-#include "amok/bandwidth.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example");
-
-/* **********************************************************************
- * Sensor code
- * **********************************************************************/
-
-/* Global private data */
-typedef struct {
- gras_socket_t sock;
- int done;
-} sensor_data_t;
-
-/* Function prototypes */
-int sensor (int argc,char *argv[]);
-
-static int sensor_cb_kill(gras_msg_cb_ctx_t ctx,
- void *payload_data) {
-
- sensor_data_t *g=gras_userdata_get();
- g->done = 1;
- INFO0("Killed");
- return 1;
-}
-int sensor (int argc,char *argv[]) {
- sensor_data_t *g;
- xbt_ex_t e;
-
- gras_init(&argc,argv);
- amok_bw_init();
-
- g=gras_userdata_new(sensor_data_t);
- g->sock = gras_socket_server(atoi(argv[1]));
-
- g->done = 0;
- gras_msgtype_declare("kill",NULL);
- gras_cb_register(gras_msgtype_by_name("kill"),&sensor_cb_kill);
-
- while (!g->done) {
- TRY {
- gras_msg_handle(20.0);
- } CATCH(e) {
- if (e.category != timeout_error)
- RETHROW;
- xbt_ex_free(e);
- }
- }
-
- gras_socket_close(g->sock);
- free(g);
- gras_exit();
- return 0;
-}
-
-/* **********************************************************************
- * Maestro code
- * **********************************************************************/
-
-/* Function prototypes */
-int maestro (int argc,char *argv[]);
-
-/* XP setups */
-const int buf_size = 0;
-const int exp_size = 100 * 1024;
-const int msg_size = 50 * 1024;
-const int sat_size = 1024 * 1024 * 10;
-
-static double XP(const char *bw1, const char *bw2,
- const char *sat1, const char *sat2) {
-
- double sec, bw, sec_sat,bw_sat;
-
- gras_os_sleep(5.0); /* wait for the sensors to show up */
- /* Test BW without saturation */
- amok_bw_request(bw1,4000,bw2,4000,
- buf_size,exp_size,msg_size,&sec,&bw);
- INFO4("BW(%s,%s) => %f sec, achieving %f Mb/s",
- bw1, bw2, sec, (bw/1024.0/1024.0));
-
-
- /* Test BW with saturation */
- amok_bw_saturate_start(sat1,4000,sat2,4000, sat_size,60);
- gras_os_sleep(1.0); /* let it start */
-
- amok_bw_request(bw1,4000,bw2,4000,
- buf_size,exp_size,msg_size,&sec_sat,&bw_sat);
- INFO6("BW(%s,%s//%s,%s) => %f sec, achieving %f Mb/s",
- bw1,bw2,sat1,sat2,sec,bw/1024.0/1024.0);
-
- amok_bw_saturate_stop(sat1,4000,NULL,NULL);
-
- if (bw_sat/bw < 0.7) {
- INFO0("THERE IS SOME INTERFERENCE !!!");
- }
- if (bw/bw_sat < 0.7) {
- INFO0("THERE IS SOME INTERFERENCE (and I'm an idiot) !!!");
- }
- return bw_sat/bw;
-}
-
-static void kill_buddy(char *name,int port){
- gras_socket_t sock=gras_socket_client(name,port);
- gras_msg_send(sock,gras_msgtype_by_name("kill"),NULL);
- gras_socket_close(sock);
-}
-static void kill_buddy_dynar(void *b) {
- xbt_host_t buddy=*(xbt_host_t*)b;
- kill_buddy(buddy->name,buddy->port);
-}
-
-static void free_host(void *d){
- xbt_host_t h=*(xbt_host_t*)d;
- free(h->name);
- free(h);
-}
-
-static void simple_saturation(int argc, char*argv[]) {
- xbt_ex_t e;
-
- kill_buddy(argv[5],atoi(argv[6]));
- kill_buddy(argv[7],atoi(argv[8]));
-
- amok_bw_saturate_start(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]),
- sat_size,5);
- gras_os_sleep(3);
- TRY {
- amok_bw_saturate_stop(argv[1],atoi(argv[2]),NULL,NULL);
- } CATCH(e) {
- xbt_ex_free(e);
- }
-
-
- kill_buddy(argv[1],atoi(argv[2]));
- kill_buddy(argv[3],atoi(argv[4]));
-}
-/********************************************************************************************/
-static void env_hosttohost_bw(int argc, char*argv[]) {
-
- /* where are the sensors */
- xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host);
- int nb_hosts;
-
- /* results */
- double sec, bw;
-
- /* iterators */
- int i;
- xbt_host_t h1;
-
- gras_socket_t peer; /* socket to sensor */
-
- /* wait to ensure that all server sockets are there before starting the experiment */
- gras_os_sleep(0.5);
-
- /* Get the sensor location from argc/argv */
- for (i=1; i<argc-1; i+=2){
- xbt_host_t host=xbt_new(s_xbt_host_t,1);
- host->name=strdup(argv[i]);
- host->port=atoi(argv[i+1]);
- INFO2("New sensor: %s:%d",host->name,host->port);
- xbt_dynar_push(hosts,&host);
- }
- nb_hosts = xbt_dynar_length(hosts);
-
- INFO0(">>> start Test1: ENV end to end mesurements");
-
- xbt_dynar_foreach(hosts,i,h1) {
- peer = gras_socket_client(h1->name,h1->port);
- amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw);
- INFO6("Bandwidth between me and %s:%d (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s",
- h1->name,h1->port,
- exp_size,msg_size,
- sec,((double)bw)/1024.0);
- }
-
- xbt_dynar_map(hosts,kill_buddy_dynar);
- xbt_dynar_free(&hosts);
-
-}
-/********************************************************************************************/
-static void env_Pairwisehost_bw(int argc, char*argv[]) {
- xbt_ex_t e;
-
- /* where are the sensors */
- xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host);
- int nb_hosts;
-
- /* getting the name of maestro for the saturation and the concurrent bandwidth measurements */
- char* host_test=argv[0];
-
- /* results */
- double sec, bw;
-
- /* iterators */
- int i,j;
- xbt_host_t h1,h2;
-
- /* socket to sensor */
- gras_socket_t peer;
-
- /* wait to ensure that all server sockets are there before starting the experiment */
- gras_os_sleep(0.5);
-
- INFO1(">>>>>< le maestro est: %s ",argv[0]);
- /* Get the sensor location from argc/argv */
- for (i=1; i<argc-1; i+=2){
- xbt_host_t host=xbt_new(s_xbt_host_t,1);
- host->name=strdup(argv[i]);
- host->port=atoi(argv[i+1]);
- INFO2("New sensor: %s:%d",host->name,host->port);
- xbt_dynar_push(hosts,&host);
- }
- nb_hosts = xbt_dynar_length(hosts);
-
- INFO0(">>> start Test2: ENV pairwise host bandwidth mesurements");
- xbt_dynar_foreach(hosts,i,h1) {
-
- TRY {
- amok_bw_saturate_start(h1->name,h1->port,
- host_test,h1->port,//"Ginette"
- msg_size,120); // sturation of the link with msg_size to compute a concurent bandwidth MA //MB
- } CATCH(e) {
- RETHROW0("Cannot ask hosts to saturate the link: %s");
- }
- // gras_os_sleep(1.0);
-
- xbt_dynar_foreach(hosts,j,h2) {
- if (i==j) continue;
-
- peer = gras_socket_client(h2->name,h2->port);
- amok_bw_test(peer,buf_size,exp_size,msg_size,&sec,&bw);
- INFO6("Bandwidth between me and %s // measurement between me and %s (%d bytes in msgs of %d bytes) took %f sec, achieving %.3f kb/s",
- h2->name,h1->name,
- exp_size,msg_size,
- sec,((double)bw)/1024.0);
-
- }
- amok_bw_saturate_stop(h1->name,h1->port,NULL,NULL);
-}
- xbt_dynar_map(hosts,kill_buddy_dynar);
- xbt_dynar_free(&hosts);
-
-}
-/********************************************************************************************/
-static void full_fledged_saturation(int argc, char*argv[]) {
- xbt_ex_t e;
-//unsigned int time1=5,bw1=5;
- double time1=5.0,bw1=5.0; // 0.5 for test
- /* timers */
- double begin_simulated;
- int begin;
-
- /* where are the sensors */
- xbt_dynar_t hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host);
- int nb_hosts;
-
- /* results */
- double *bw;
- double *bw_sat;
-
- /* iterators */
- int i,j,k,l;
- xbt_host_t h1,h2,h3,h4;
-
- /* Get the sensor location from argc/argv */
- for (i=1; i<argc; i++){
- xbt_host_t host=xbt_host_from_string(argv[i]);
- INFO2("New sensor: %s:%d",host->name,host->port);
- xbt_dynar_push(hosts,&host);
- }
- nb_hosts = xbt_dynar_length(hosts);
-
- gras_os_sleep(2); /* wait for my pals to get ready */
- INFO0("Let's go for the bw_matrix");
-
- /* Do the test without saturation */
- begin=time(NULL);
- begin_simulated=gras_os_time();
-
- bw=amok_bw_matrix(hosts,buf_size,exp_size,msg_size);
-
- INFO2("Did all BW tests in %ld sec (%.2f simulated sec)",
- time(NULL)-begin,gras_os_time()-begin_simulated);
-
- /* Do the test with saturation */
- bw_sat=xbt_new(double,nb_hosts*nb_hosts);
- xbt_dynar_foreach(hosts,i,h1) {
- xbt_dynar_foreach(hosts,j,h2) {
- if (i==j) continue;
-
- TRY {
- amok_bw_saturate_start(h1->name,h1->port,
- h2->name,h2->port,
- sat_size, 0/* no timeout */);
- } CATCH(e) {
- RETHROW0("Cannot ask hosts to saturate the link: %s");
- }
- gras_os_sleep(1.0);
-
- begin=time(NULL);
- begin_simulated=gras_os_time();
- xbt_dynar_foreach(hosts,k,h3) {
- if (i==k || j==k) continue;
-
- xbt_dynar_foreach(hosts,l,h4) {
- double ratio;
- if (i==l || j==l || k==l) continue;
-
- VERB4("TEST %s %s // %s %s",
- h1->name,h2->name,h3->name,h4->name);
- amok_bw_request(h3->name,h3->port, h4->name,h4->port,
- buf_size,exp_size,msg_size,
- NULL,&(bw_sat[k*nb_hosts + l]));
-
- ratio=bw_sat[k*nb_hosts + l] / bw[k*nb_hosts + l];
- INFO8("SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s",
- h1->name,h2->name,h3->name,h4->name,
- ratio,
- bw[k*nb_hosts + l] , bw_sat[k*nb_hosts + l],
- ratio < 0.7 ? " THERE IS SOME INTERFERENCE !!!": "");
- }
- }
- amok_bw_saturate_stop(h1->name,h1->port,&time1,&bw1);// NULL,NULL);
-
- INFO2("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)",
- time(NULL)-begin, gras_os_time()-begin_simulated);
- INFO2("the duration of the experiment >>>>> %.3f sec (%.3f bandwidth)",time1,bw1);
- }
- }
- free(bw_sat);
- free(bw);
- xbt_dynar_map(hosts,kill_buddy_dynar);
- xbt_dynar_free(&hosts);
-}
-
-
-int maestro(int argc,char *argv[]) {
-
- gras_init(&argc,argv);
- amok_bw_init();
-
- gras_socket_server(3333); /* only so that messages from the transport layer in gras identify us */
-
- //env_Pairwisehost_bw(argc,argv);
- //env_hosttohost_bw(argc,argv);
-
- // simple_saturation(argc,argv);
- full_fledged_saturation(argc, argv);
-
- gras_exit();
- return 0;
-
-}
