X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c29ea41c1e876d54bb72b08da78905d2c254c4ed..e88573354a6448ba3b640e93442f94acd40e8145:/examples/amok/saturate/saturate.c?ds=sidebyside diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index 545e8bae43..1b77417c68 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. */ @@ -12,51 +11,40 @@ #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; - int done; -} sensor_data_t; - /* Function prototypes */ -int sensor (int argc,char *argv[]); +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; +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(atoi(argv[1])); + mysock = gras_socket_server_range(3000, 9999, 0, 0); + INFO1("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]); - g->done = 0; - gras_msgtype_declare("kill",NULL); - gras_cb_register(gras_msgtype_by_name("kill"),&sensor_cb_kill); + amok_pm_group_join(master, "saturate"); + amok_pm_mainloop(600); - while (!g->done) { - gras_msg_handle(120.0); - } - - gras_socket_close(g->sock); - free(g); + gras_socket_close(mysock); + gras_socket_close(master); gras_exit(); return 0; } @@ -66,305 +54,230 @@ 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 exp_size = 64*1024*1024; // * 1024; -const int msg_size = 16*1024*1024; -const int sat_size = 10*1024*1024; //1024 * 10 * - -/* Global private data */ -typedef struct { - gras_socket_t sock; -} s_maestro_data_t,*maestro_data_t; +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) +{ - 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); + amok_bw_request(bw1, 4000, bw2, 4000, + buf_size, msg_size, msg_amount, min_duration, &sec, &bw); INFO4("BW(%s,%s) => %f sec, achieving %f Mb/s", - bw1, bw2, sec, (bw/1024.0/1024.0)); + 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 */ + /* 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); + amok_bw_request(bw1, 4000, bw2, 4000, + buf_size, msg_size, msg_amount, min_duration, &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); - if (bw_sat/bw < 0.7) { + 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) { + } + if (bw / bw_sat < 0.7) { INFO0("THERE IS SOME INTERFERENCE (and I'm an idiot) !!!"); - } - return bw_sat/bw; + } + 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); +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_host_t buddy=*(xbt_host_t*)b; - kill_buddy(buddy->name,buddy->port); + +static void kill_buddy_dynar(void *b) +{ + xbt_peer_t buddy = *(xbt_peer_t *) b; + kill_buddy(buddy->name, buddy->port); } -static void free_host(void *d){ - xbt_host_t h=*(xbt_host_t*)d; +static void free_peer(void *d) +{ + xbt_peer_t h = *(xbt_peer_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])); -} -/********************************************************************************************/ -void env_hosttohost_bw(int argc, char*argv[]) { +static void simple_saturation(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; - + xbt_dynar_t peers; + xbt_peer_t h1, h2; /* results */ - double sec, bw; - - /* iterators */ - int i; - xbt_host_t h1; - - /* socket to sensor */ - gras_socket_t peer; - maestro_data_t g; - g=gras_userdata_new(s_maestro_data_t); - - /* 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; 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); - - 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); + 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); } - xbt_dynar_map(hosts,kill_buddy_dynar); - xbt_dynar_free(&hosts); + /* get 2 friends */ + xbt_dynar_get_cpy(peers, 0, &h1); + xbt_dynar_get_cpy(peers, 1, &h2); - gras_socket_close(g->sock); + /* Start saturation */ + INFO4("Start saturation between %s:%d and %s:%d", + h1->name, h1->port, h2->name, h2->port); -} -/********************************************************************************************/ -void env_Pairwisehost_bw(int argc, char*argv[]) { - xbt_ex_t e; + 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 */ ); - /* 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; - maestro_data_t g; - g=gras_userdata_new(s_maestro_data_t); - - /* 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; iname=strdup(argv[i]); - host->port=atoi(argv[i+1]); - INFO2("New sensor: %s:%d",host->name,host->port); - xbt_dynar_push(hosts,&host); + /* Stop it after a while */ + INFO0("Have a rest"); + gras_os_sleep(1); + TRY { + INFO0("Stop the saturation"); + amok_bw_saturate_stop(h1->name, h1->port, &duration, &bw); } - 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); - + CATCH(e) { + INFO0("Ooops, stoping the saturation raised an exception"); + xbt_ex_free(e); } - amok_bw_saturate_stop(h1->name,h1->port,NULL,NULL); -} - xbt_dynar_map(hosts,kill_buddy_dynar); - xbt_dynar_free(&hosts); - - gras_socket_close(g->sock); + INFO2("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[]) { +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 + 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; - - /* 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); + unsigned int i, j, k, l; + xbt_peer_t h1, h2, h3, h4; + + /* 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); + + INFO0("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 %d sec (%.2f simulated sec)", - time(NULL)-begin,gras_os_time()-begin_simulated); + INFO2("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,120); - } 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; - - INFO4("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 !!!": ""); - } + CATCH(e) { + RETHROW0("Cannot ask peers to saturate the link: %s"); } - 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); + 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; + + 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, 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]; + 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_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); + + INFO2 + ("Did an iteration on saturation pair in %ld sec (%.2f simulated sec)", + (long int) (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); + /* Game is over, friends */ + amok_pm_group_shutdown("saturate"); } -int maestro(int argc,char *argv[]) { +int maestro(int argc, char *argv[]) +{ - gras_init(&argc,argv); + gras_init(&argc, argv); amok_bw_init(); + amok_pm_init(); -env_Pairwisehost_bw(argc,argv); -//env_hosttohost_bw(argc,argv); + gras_socket_server(atoi(argv[1])); - // simple_saturation(argc,argv); + simple_saturation(argc, argv); //full_fledged_saturation(argc, argv); gras_exit();