-/* $Id$ */
-
/* 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. */
#include <signal.h>
#include <time.h>
+#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[])
+{
+ xbt_socket_t mysock;
+ xbt_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);
+ 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]);
- 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;
}
* **********************************************************************/
/* 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);
- 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));
-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);
-}
-static void free_host(void *d){
- xbt_host_t h=*(xbt_host_t*)d;
- free(h->name);
- free(h);
-}
+ /* Test BW with saturation */
+ amok_bw_saturate_start(sat1, 4000, sat2, 4000, sat_size, 60);
+ gras_os_sleep(1.0); /* let it start */
-static void simple_saturation(int argc, char*argv[]) {
- xbt_ex_t e;
+ 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);
- kill_buddy(argv[5],atoi(argv[6]));
- kill_buddy(argv[7],atoi(argv[8]));
+ amok_bw_saturate_stop(sat1, 4000, NULL, NULL);
- 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 (bw_sat / bw < 0.7) {
+ XBT_INFO("THERE IS SOME INTERFERENCE !!!");
}
-
-
- kill_buddy(argv[1],atoi(argv[2]));
- kill_buddy(argv[3],atoi(argv[4]));
-}
-/********************************************************************************************/
-void env_hosttohost_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;
-
- /* 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; 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 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);
+ if (bw / bw_sat < 0.7) {
+ XBT_INFO("THERE IS SOME INTERFERENCE (and I'm an idiot) !!!");
}
+ return bw_sat / bw;
+}
- xbt_dynar_map(hosts,kill_buddy_dynar);
- xbt_dynar_free(&hosts);
+static void kill_buddy(char *name, int port)
+{
+ xbt_socket_t sock = gras_socket_client(name, port);
+ gras_msg_send(sock, "kill", NULL);
+ gras_socket_close(sock);
+}
- gras_socket_close(g->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);
}
-/********************************************************************************************/
-void env_Pairwisehost_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;
-
- /* getting the name of maestro for the saturation and the concurrent bandwidth measurements */
- char* host_test=argv[0];
-
+ xbt_dynar_t peers;
+ xbt_peer_t h1, h2;
/* 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; 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);
+ 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);
}
- 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);
+ /* get 2 friends */
+ xbt_dynar_get_cpy(peers, 0, &h1);
+ xbt_dynar_get_cpy(peers, 1, &h2);
- xbt_dynar_foreach(hosts,j,h2) {
- if (i==j) continue;
+ /* Start saturation */
+ XBT_INFO("Start saturation between %s:%d and %s:%d",
+ h1->name, h1->port, h2->name, h2->port);
- 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_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);
}
- 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);
+ 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[]) {
- xbt_ex_t e;
-//unsigned int time1=5,bw1=5;
-double time1=5.0,bw1=5.0; // 0.5 for test
+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;
-
- /* 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);
+ 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);
+
+ 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 %d 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,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_ANONYMOUS {
+ RETHROWF("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;
+
+ 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);
- 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();
