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");
}
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(4000);
+ 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) {
- gras_msg_handle(60.0);
+ TRY {
+ gras_msg_handle(20.0);
+ } CATCH(e) {
+ if (e.category != timeout_error)
+ RETHROW;
+ xbt_ex_free(e);
+ }
}
gras_socket_close(g->sock);
/* XP setups */
const int buf_size = 0;
-const int exp_size = 1024;// * 1024;
-const int msg_size = 1024;
-const int sat_size = 1024 * 1024 * 10 * 10;
+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;
+ 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);
+ 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));
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);
+ 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);
return bw_sat/bw;
}
-static void kill_buddy(char *name,char *port){
- gras_socket_t sock=gras_socket_client(name,atoi(port));
+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;
static void simple_saturation(int argc, char*argv[]) {
xbt_ex_t e;
- kill_buddy(argv[5],argv[6]);
- kill_buddy(argv[7],argv[8]);
+ 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*5,5);
+ sat_size,5);
gras_os_sleep(3);
TRY {
amok_bw_saturate_stop(argv[1],atoi(argv[2]),NULL,NULL);
}
- kill_buddy(argv[1],argv[2]);
- kill_buddy(argv[3],argv[4]);
+ kill_buddy(argv[1],atoi(argv[2]));
+ kill_buddy(argv[3],atoi(argv[4]));
}
+/********************************************************************************************/
+static void env_hosttohost_bw(int argc, char*argv[]) {
-static void full_fledged_saturation(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);
+
+ 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");
+ }
+ // 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;
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]);
+ 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);
}
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);
+ 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);
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,120);
+ sat_size, 0/* no timeout */);
} CATCH(e) {
RETHROW0("Cannot ask hosts to saturate the link: %s");
}
double ratio;
if (i==l || j==l || k==l) continue;
- INFO4("TEST %s %s // %s %s",
+ 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,
- NULL,&(bw_sat[k*nb_hosts + l]));
-
+ 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, NULL,NULL);
+ 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);
}
}
+ free(bw_sat);
+ free(bw);
+ xbt_dynar_map(hosts,kill_buddy_dynar);
xbt_dynar_free(&hosts);
}
+
int maestro(int argc,char *argv[]) {
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);