X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/f1c4b3ead099df97f5dff00f22d5cbfbf3d32ec1..c39f5e7ad61e55ef597c798f9ba032ae4b4e9b80:/examples/amok/saturate/saturate.c diff --git a/examples/amok/saturate/saturate.c b/examples/amok/saturate/saturate.c index e19549f716..a6a37d3fc7 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 +12,8 @@ #include #include -#include +#include "gras.h" +#include "amok/bandwidth.h" XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example"); @@ -22,36 +23,48 @@ XBT_LOG_NEW_DEFAULT_CATEGORY(saturate,"Messages specific to this example"); /* Global private data */ typedef struct { - gras_socket_t *sock; + gras_socket_t sock; + int done; } 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; - } +static int sensor_cb_kill(gras_msg_cb_ctx_t ctx, + void *payload_data) { - while (1) { - if ((errcode=gras_msg_handle(60.0)) && errcode != timeout_error) { - CRITICAL1("Sensor: Error '%s' while handling message", - xbt_error_name(errcode)); + 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_os_sleep(5,0); gras_socket_close(g->sock); - + free(g); + gras_exit(); return 0; } @@ -59,200 +72,300 @@ 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 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; - 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,exp_size,msg_size,&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,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) { - 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,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); } -//#define MAXHOSTS 33 -#define MAXHOSTS 4 +static void free_host(void *d){ + xbt_host_t h=*(xbt_host_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; + + 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); } - if (grasbw_register_messages()) { - gras_socket_close(g->sock); - return 1; + + 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; 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); - begin=time(NULL); - beginSim=gras_os_time(); - for (a=0; a>> 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; 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 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"); } - fprintf(stderr,"%f Mb/s in %f sec\n",bw[a][b],dummy); - } + // 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; iname=strdup(argv[i]); + host->port=atoi(argv[i+1]); + INFO2("New sensor: %s:%d",host->name,host->port); + xbt_dynar_push(hosts,&host); } - fprintf(stderr,"Did all BW tests in %ld sec (%.2f simulated sec)\n", - time(NULL)-begin,gras_os_time()-beginSim); - - for (a=0; aname,h1->port, + h2->name,h2->port, + sat_size,120); + } CATCH(e) { + RETHROW0("Cannot ask hosts to saturate the link: %s"); } - gras_os_sleep(1,0); + gras_os_sleep(1.0); begin=time(NULL); - beginSim=gras_os_time(); - for (c=0 ;c %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(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 !!!": ""); } } + amok_bw_saturate_stop(h1->name,h1->port,&time1,&bw1);// NULL,NULL); - 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)", + 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); +} - 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(); + + 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; + }