X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f1c4b3ead099df97f5dff00f22d5cbfbf3d32ec1..5d449744bf13fe169eaee166e0cba7453d410b0d:/examples/amok/saturate/saturate.c diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index e19549f716..4f3a802be7 100644 --- a/examples/amok/saturate/saturate.c +++ b/examples/amok/saturate/saturate.c @@ -1,8 +1,8 @@ /* $Id$ */ -/* saturate - link saturation demo of GRAS features */ +/* saturate - link saturation demo of AMOK features */ -/* Copyright (c) 2003 Martin Quinson. All rights reserved. */ +/* 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. */ @@ -12,7 +12,10 @@ #include #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"); @@ -20,38 +23,28 @@ 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[]) { - xbt_error_t errcode; - sensor_data_t *g=gras_userdata_new(sensor_data_t); - - if ((errcode=gras_socket_server(4000,&(g->sock)))) { - CRITICAL1("Sensor: Error %s encountered while opening the server socket",xbt_error_name(errcode)); - return 1; - } - - if (grasbw_register_messages()) { - gras_socket_close(g->sock); - return 1; - } - - while (1) { - if ((errcode=gras_msg_handle(60.0)) && errcode != timeout_error) { - CRITICAL1("Sensor: Error '%s' while handling message", - xbt_error_name(errcode)); - } - } - - gras_os_sleep(5,0); - gras_socket_close(g->sock); - + gras_socket_t mysock; + gras_socket_t master; + + gras_init(&argc, argv); + amok_bw_init(); + amok_pm_init(); + + 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]); + + amok_pm_group_join(master,"saturate"); + amok_pm_mainloop(600); + + gras_socket_close(mysock); + gras_socket_close(master); + gras_exit(); return 0; } @@ -59,200 +52,220 @@ int sensor (int argc,char *argv[]) { * Maestro code * **********************************************************************/ -/* Global private data */ -typedef struct { - gras_socket_t *sock; -} maestro_data_t; - /* Function prototypes */ int maestro (int argc,char *argv[]); -double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2); - -double XP(const char *bw1, const char *bw2, const char *sat1, const char *sat2) { - xbt_error_t errcode; - int bufSize=32 * 1024; - int expSize=64 * 1024; - int msgSize=64 * 1024; - int satSize=msgSize * 10; + +/* 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) { + double sec, bw, sec_sat,bw_sat; - if ((errcode=grasbw_request(bw1,4000,bw2,4000,bufSize,expSize,msgSize,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode)); - return -1; - } - - fprintf(stderr,"MAESTRO: BW(%s,%s) => %f sec, achieving %f Mb/s\n",bw1,bw2,sec,bw); + 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,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)); - if ((errcode=grasbw_saturate_start(sat1,4000,sat2,4000,satSize,60))) { - fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n", - xbt_error_name(errcode)); - return -1; - } - gras_os_sleep(1,0); - if ((errcode=grasbw_request(bw1,4000,bw2,4000,bufSize,expSize,msgSize,&sec_sat,&bw_sat))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode)); - return -1; - } - - fprintf(stderr,"MAESTRO: BW(%s,%s//%s,%s) => %f sec, achieving %f Mb/s\n", - bw1,bw2,sat1,sat2,sec_sat,bw_sat); - if ((errcode=grasbw_saturate_stop(sat1,4000,sat2,4000))) { - fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation\n", - xbt_error_name(errcode)); - return -1; - } + /* 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); + 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) { - fprintf(stderr,"MAESTRO: THERE IS SOME INTERFERENCE !!!\n"); + INFO0("THERE IS SOME INTERFERENCE !!!"); } if (bw/bw_sat < 0.7) { - fprintf(stderr,"MAESTRO: THERE IS SOME INTERFERENCE (and Im a cretin) !!!\n"); + 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,"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); } -//#define MAXHOSTS 33 -#define MAXHOSTS 4 +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[]) { - int bufSize=32 * 1024; - int expSize= 1024 * 1024; - int msgSize=expSize; - int satSize=msgSize * 100; - double dummy,beginSim; - xbt_error_t errcode; - maestro_data_t *g=gras_userdata_new(maestro_data_t); - // const char *hosts[MAXHOSTS] = { "61", "62", "63", "69", "70", "77", "81", "83", "85", "87", "88", "95", "98", "107", "109", "111", "112", "121", "124", "125", "131", "145", "150", "156", "157", "162", "165", "168", "169", "170", "175", "177", "178" }; - const char *hosts[MAXHOSTS] = { "A", "B", "C", "D" }; - - double bw[MAXHOSTS][MAXHOSTS]; - double bw_sat[MAXHOSTS][MAXHOSTS]; - - int a,b,c,d,begin; - - if ((errcode=gras_socket_server(4000,&(g->sock)))) { - fprintf(stderr,"MAESTRO: Error %s encountered while opening the server socket\n",xbt_error_name(errcode)); - return 1; +static void simple_saturation(int argc, char*argv[]) { + xbt_ex_t e; + + /* 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); } - - if (grasbw_register_messages()) { - gras_socket_close(g->sock); - return 1; + + /* get 2 friends */ + xbt_dynar_get_cpy(peers,0,&h1); + xbt_dynar_get_cpy(peers,1,&h2); + + /* Start saturation */ + INFO4("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 */ + INFO0("Have a rest"); + gras_os_sleep(1); + TRY { + INFO0("Stop the saturation"); + amok_bw_saturate_stop(h1->name,h1->port, &duration,&bw); + } CATCH(e) { + INFO0("Ooops, stoping the saturation raised an exception"); + xbt_ex_free(e); } - + 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[]) { + xbt_ex_t e; + double time1=5.0,bw1=5.0; // 0.5 for test + /* timers */ + double begin_simulated; + int begin; + + /* where are the sensors */ + xbt_dynar_t peers; + int nb_peers; + + /* results */ + double *bw; + double *bw_sat; + + /* iterators */ + 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); - beginSim=gras_os_time(); - for (a=0; aname,h1->port, + h2->name,h2->port, + 0, /* Be nice, compute msg_size yourself */ + 0 /* no timeout */); + } CATCH(e) { + RETHROW0("Cannot ask peers to saturate the link: %s"); } - fprintf(stderr,"%f Mb/s in %f sec\n",bw[a][b],dummy); - } - } - fprintf(stderr,"Did all BW tests in %ld sec (%.2f simulated sec)\n", - time(NULL)-begin,gras_os_time()-beginSim); - - for (a=0; a %f (%f vs %f)%s\n", - gras_os_time(), - hosts[c],hosts[d],hosts[a],hosts[b], - bw_sat[c][d]/bw[c][d],bw[c][d],bw_sat[c][d], - - (bw_sat[c][d]/bw[c][d] < 0.7) ? " THERE IS SOME INTERFERENCE !!!": - ((bw[c][d]/bw_sat[c][d] < 0.7) ? " THERE IS SOME INTERFERENCE (and Im a cretin) !!!": - "")); + 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); - if ((errcode=grasbw_saturate_stop(hosts[a],4000,hosts[b],4000))) { - fprintf(stderr,"MAESTRO: Error %s encountered while stopping saturation\n", - xbt_error_name(errcode)); - return -1; - } - fprintf(stderr,"Did an iteration on saturation pair in %ld sec (%.2f simulated sec)\n", - time(NULL)-begin, gras_os_time()-beginSim); + 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); + /* 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\n",msgSize); - if ((errcode=grasbw_saturate_start(argv[5],atoi(argv[6]),argv[7],atoi(argv[8]),msgSize*10,60))) { - fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n", - xbt_error_name(errcode)); - return 1; - } - fprintf(stderr,"MAESTRO: Saturation started\n"); - gras_os_sleep(5,0); - - /* test with saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - bufSize,expSize,msgSize,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",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\n", - expSize/1024,msgSize/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\n", - xbt_error_name(errcode)); - return 1; - } - /* test without saturation */ - if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]), - bufSize,expSize,msgSize,&sec,&bw))) { - fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",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\n", - expSize/1024,msgSize/1024, - sec,bw); +int maestro(int argc,char *argv[]) { - gras_os_sleep(5,0); -#endif - gras_socket_close(g->sock); - + 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; + }