/* $Id$ */
-/* 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. */
#include <signal.h>
#include <time.h>
-#include <gras.h>
+#include "gras.h"
+#include "amok/bandwidth.h"
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;
}
* 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;
+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,exp_size,msg_size,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,exp_size,msg_size,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,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; 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);
- begin=time(NULL);
- beginSim=gras_os_time();
- for (a=0; a<MAXHOSTS; a++) {
- for (b=0; b<MAXHOSTS; b++) {
- if (a==b) continue;
- fprintf(stderr,"BW XP(%s %s)=",hosts[a],hosts[b]);
- if ((errcode=grasbw_request(hosts[a],4000,hosts[b],4000,bufSize,expSize,msgSize,
- &dummy,&(bw[a][b])))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test\n",xbt_error_name(errcode));
- return 1;
+ 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,min_duration,&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");
}
- 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,min_duration,&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);
}
- fprintf(stderr,"Did all BW tests in %ld sec (%.2f simulated sec)\n",
- time(NULL)-begin,gras_os_time()-beginSim);
-
- for (a=0; a<MAXHOSTS; a++) {
- for (b=0; b<MAXHOSTS; b++) {
- if (a==b) continue;
-
- if ((errcode=grasbw_saturate_start(hosts[a],4000,hosts[b],4000,satSize,360000000))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation\n",
- xbt_error_name(errcode));
- return -1;
+ 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,min_duration);
+
+ 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);
+ gras_os_sleep(1.0);
begin=time(NULL);
- beginSim=gras_os_time();
- for (c=0 ;c<MAXHOSTS; c++) {
- if (a==c) continue;
- if (b==c) continue;
-
- for (d=0 ;d<MAXHOSTS; d++) {
- if (a==d) continue;
- if (b==d) continue;
- if (c==d) continue;
-
- if ((errcode=grasbw_request(hosts[c],4000,hosts[d],4000,bufSize,expSize,msgSize,
- &dummy,&(bw_sat[c][d])))) {
- fprintf(stderr,"MAESTRO: Error %s encountered in test\n",xbt_error_name(errcode));
- return 1;
- }
- fprintf(stderr, "MAESTRO[%.2f sec]: SATURATED BW XP(%s %s // %s %s) => %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;
+
+ 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,min_duration,
+ 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;
+
}
