X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/900c977019a54d76dee6bdb6a5dd38336f698c18..fd3a39be50eb5857aa79028589e7476992913307:/examples/amok/saturate/saturate.c diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index 833d55867d..b89dccc24d 100644 --- a/examples/amok/saturate/saturate.c +++ b/examples/amok/saturate/saturate.c @@ -1,8 +1,7 @@ -/* $Id$ */ - /* saturate - link saturation demo of AMOK features */ -/* Copyright (c) 2003-6 Martin Quinson. All rights reserved. */ +/* Copyright (c) 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team. + * 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. */ @@ -12,36 +11,41 @@ #include #include +#include "xbt/peer.h" #include "gras.h" #include "amok/bandwidth.h" +#include "amok/peermanagement.h" -XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example"); +XBT_LOG_NEW_DEFAULT_CATEGORY(saturate, + "Messages specific to this example"); /* ********************************************************************** * Sensor code * **********************************************************************/ -/* Global private data */ -typedef struct { - gras_socket_t sock; -} sensor_data_t; - /* Function prototypes */ -int sensor (int argc,char *argv[]); +int sensor(int argc, char *argv[]); -int sensor (int argc,char *argv[]) { - sensor_data_t *g; +int sensor(int argc, char *argv[]) +{ + gras_socket_t mysock; + gras_socket_t master; - gras_init(&argc,argv); + gras_init(&argc, argv); amok_bw_init(); + amok_pm_init(); - g=gras_userdata_new(sensor_data_t); - g->sock = gras_socket_server(4000); + mysock = gras_socket_server_range(3000, 9999, 0, 0); + XBT_INFO("Sensor starting (on port %d)", gras_os_myport()); + gras_os_sleep(2); /* let the master get ready */ + master = gras_socket_client_from_string(argv[1]); - while (1) { - gras_msg_handle(60.0); - } + amok_pm_group_join(master, "saturate"); + amok_pm_mainloop(600); + gras_socket_close(mysock); + gras_socket_close(master); + gras_exit(); return 0; } @@ -50,185 +54,232 @@ int sensor (int argc,char *argv[]) { * **********************************************************************/ /* Function prototypes */ -int maestro (int argc,char *argv[]); +int maestro(int argc, char *argv[]); + +/* XP setups */ +const int buf_size = 0; +const int msg_size = 50 * 1024; +const int msg_amount = 2; +const int sat_size = 1024 * 1024 * 10; +const double min_duration = 1; static double XP(const char *bw1, const char *bw2, - const char *sat1, const char *sat2) { + const char *sat1, const char *sat2) +{ - int buf_size=32 * 1024; - int exp_size=64 * 1024; - int msg_size=64 * 1024; - int sat_size=msg_size * 10; - double sec, bw, sec_sat,bw_sat; + 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; + amok_bw_request(bw1, 4000, bw2, 4000, + buf_size, msg_size, msg_amount, min_duration, &sec, &bw); + XBT_INFO("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, msg_size, msg_amount, min_duration, &sec_sat, + &bw_sat); + XBT_INFO("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) { + XBT_INFO("THERE IS SOME INTERFERENCE !!!"); + } + if (bw / bw_sat < 0.7) { + XBT_INFO("THERE IS SOME INTERFERENCE (and I'm an idiot) !!!"); + } + return bw_sat / bw; } -static void free_host(void *d){ - xbt_host_t h=*(xbt_host_t*)d; +static void kill_buddy(char *name, int port) +{ + gras_socket_t sock = gras_socket_client(name, port); + gras_msg_send(sock, "kill", NULL); + gras_socket_close(sock); +} + +static void kill_buddy_dynar(void *b) +{ + xbt_peer_t buddy = *(xbt_peer_t *) b; + kill_buddy(buddy->name, buddy->port); +} + +static void free_peer(void *d) +{ + xbt_peer_t h = *(xbt_peer_t *) d; free(h->name); free(h); } -int maestro(int argc,char *argv[]) { + +static void simple_saturation(int argc, char *argv[]) +{ xbt_ex_t e; - /* XP setups */ - int buf_size=0; - int exp_size= 1024 * 1024; - int msg_size=exp_size; - int sat_size=msg_size * 100; + /* where are the sensors */ + xbt_dynar_t peers; + xbt_peer_t h1, h2; + /* results */ + double duration, bw; + + /* Init the group */ + peers = amok_pm_group_new("saturate"); + /* wait for dudes */ + gras_msg_handleall(5); + + /* Stop all sensors but two of them */ + while (xbt_dynar_length(peers) > 2) { + xbt_dynar_pop(peers, &h1); + amok_pm_kill_hp(h1->name, h1->port); + xbt_peer_free(h1); + } + + /* get 2 friends */ + xbt_dynar_get_cpy(peers, 0, &h1); + xbt_dynar_get_cpy(peers, 1, &h2); + + /* Start saturation */ + XBT_INFO("Start saturation between %s:%d and %s:%d", + h1->name, h1->port, h2->name, h2->port); + + amok_bw_saturate_start(h1->name, h1->port, h2->name, h2->port, 0, /* Be a nice boy, compute msg_size yourself */ + 30 /* 5 sec timeout */ ); + + /* Stop it after a while */ + XBT_INFO("Have a rest"); + gras_os_sleep(1); + TRY { + XBT_INFO("Stop the saturation"); + amok_bw_saturate_stop(h1->name, h1->port, &duration, &bw); + } + CATCH(e) { + XBT_INFO("Ooops, stoping the saturation raised an exception"); + xbt_ex_free(e); + } + XBT_INFO("Saturation took %.2fsec, achieving %fb/s", duration, bw); + + /* Game is over, friends */ + amok_pm_group_shutdown("saturate"); +} + +/********************************************************************************************/ +static void full_fledged_saturation(int argc, char *argv[]) +{ + double time1 = 5.0, bw1 = 5.0; // 0.5 for test /* timers */ - double begin_simulated; + 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; + xbt_dynar_t peers; + int nb_peers; /* results */ double *bw; double *bw_sat; /* iterators */ - int i,j,k,l; - xbt_host_t h1,h2,h3,h4; + unsigned int i, j, k, l; + xbt_peer_t h1, h2, h3, h4; - gras_init(&argc,argv); - amok_bw_init(); + /* Init the group */ + peers = amok_pm_group_new("saturate"); + /* wait 4 dudes */ + gras_msg_handle(60); + gras_msg_handle(60); + gras_msg_handle(60); + gras_msg_handle(60); + nb_peers = xbt_dynar_length(peers); - /* Get the sensor location from argc/argv */ - for (i=1; iname=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); + XBT_INFO("Let's go for the bw_matrix"); /* Do the test without saturation */ - begin=time(NULL); - begin_simulated=gras_os_time(); + begin = time(NULL); + begin_simulated = gras_os_time(); - bw=amok_bw_matrix(hosts,buf_size,exp_size,msg_size); + bw = amok_bw_matrix(peers, buf_size, msg_size, msg_amount, min_duration); - INFO2("Did all BW tests in %ld sec (%.2f simulated sec)", - time(NULL)-begin,gras_os_time()-begin_simulated); + XBT_INFO("Did all BW tests in %ld sec (%.2f simulated(?) sec)", + (long int) (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; - + bw_sat = xbt_new(double, nb_peers * nb_peers); + xbt_dynar_foreach(peers, i, h1) { + xbt_dynar_foreach(peers, j, h2) { + if (i == j) + continue; + TRY { - amok_bw_saturate_start(h1->name,h1->port, - h2->name,h2->port, - sat_size,360000000); - } CATCH(e) { - RETHROW0("Cannot ask hosts to saturate the link: %s"); + amok_bw_saturate_start(h1->name, h1->port, h2->name, h2->port, 0, /* Be nice, compute msg_size yourself */ + 0 /* no timeout */ ); } - 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; - - 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 !!!": ""); - } + CATCH_ANONYMOUS { + RETHROWF("Cannot ask peers to saturate the link: %s"); } - - amok_bw_saturate_stop(h1->name,h1->port, NULL,NULL); - - INFO2("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)", - time(NULL)-begin, gras_os_time()-begin_simulated); + gras_os_sleep(5); + + begin = time(NULL); + begin_simulated = gras_os_time(); + xbt_dynar_foreach(peers, k, h3) { + if (i == k || j == k) + continue; + + xbt_dynar_foreach(peers, l, h4) { + double ratio; + if (i == l || j == l || k == l) + continue; + + XBT_VERB("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, msg_size, msg_amount, min_duration, + NULL, &(bw_sat[k * nb_peers + l])); + + ratio = bw_sat[k * nb_peers + l] / bw[k * nb_peers + l]; + XBT_INFO("SATURATED BW XP(%s %s // %s %s) => %f (%f vs %f)%s", + h1->name, h2->name, h3->name, h4->name, + ratio, + bw[k * nb_peers + l], bw_sat[k * nb_peers + l], + ratio < 0.7 ? " THERE IS SOME INTERFERENCE !!!" : ""); + } + } + amok_bw_saturate_stop(h1->name, h1->port, &time1, &bw1); + + XBT_INFO + ("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)", + (long int) (time(NULL) - begin), + gras_os_time() - begin_simulated); + XBT_INFO + ("the duration of the experiment >>>>> %.3f sec (%.3f bandwidth)", + time1, bw1); } } + free(bw_sat); + free(bw); + /* Game is over, friends */ + amok_pm_group_shutdown("saturate"); +} - gras_os_sleep(5.0); - exit(0); -#if 0 - return 0; - /* start saturation */ - fprintf(stderr,"MAESTRO: Start saturation with size %d",msg_size); - if ((errcode=grasbw_saturate_start(argv[5],atoi(argv[6]),argv[7],atoi(argv[8]),msg_size*10,60))) { - fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation", - xbt_error_name(errcode)); - return 1; - } - fprintf(stderr,"MAESTRO: Saturation started"); - gras_os_sleep(5.0); - - /* test with saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - buf_size,exp_size,msg_size,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",xbt_error_name(errcode)); - return 1; - } - - fprintf(stderr,"MAESTRO: Experience3 (%d ko in msgs of %d ko with saturation) took %f sec, achieving %f Mb/s", - exp_size/1024,msg_size/1024, - sec,bw); - - /* stop saturation */ - if ((errcode=grasbw_saturate_stop(argv[5],atoi(argv[6]),argv[7],atoi(argv[8])))) { - fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation", - xbt_error_name(errcode)); - return 1; - } - /* test without saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - buf_size,exp_size,msg_size,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",xbt_error_name(errcode)); - return 1; - } - - fprintf(stderr,"MAESTRO: Experience4 (%d ko in msgs of %d ko, without saturation) took %f sec, achieving %f Mb/s", - exp_size/1024,msg_size/1024, - sec,bw); - - gras_os_sleep(5.0); -#endif - +int maestro(int argc, char *argv[]) +{ + + gras_init(&argc, argv); + amok_bw_init(); + amok_pm_init(); + + gras_socket_server(atoi(argv[1])); + + simple_saturation(argc, argv); + //full_fledged_saturation(argc, argv); + + gras_exit(); return 0; + }