#include "gras.h"
#include "amok/bandwidth.h"
+#include "amok/peermanagement.h"
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[]) {
- sensor_data_t *g;
+ gras_socket_t mysock;
+ gras_socket_t master;
- gras_init(&argc,argv);
+ gras_init(&argc, argv);
amok_bw_init();
-
- g=gras_userdata_new(sensor_data_t);
- g->sock = gras_socket_server(4000);
-
- while (1) {
- gras_msg_handle(60.0);
- }
-
+ 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;
}
/* Function prototypes */
int maestro (int argc,char *argv[]);
+/* 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) {
- int buf_size=32 * 1024;
- int exp_size=64 * 1024;
- int msg_size=64 * 1024;
- int sat_size=msg_size * 10;
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 free_host(void *d){
- xbt_host_t h=*(xbt_host_t*)d;
+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_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);
}
-int maestro(int argc,char *argv[]) {
+
+static void simple_saturation(int argc, char*argv[]) {
xbt_ex_t e;
- /* XP setups */
- int buf_size=0;
- int exp_size= 1024 * 1024;
- int msg_size=exp_size;
- int sat_size=msg_size * 100;
+ /* 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);
+
+ /* get 2 friends */
+ xbt_dynar_get_cpy(peers,0,&h1);
+ xbt_dynar_get_cpy(peers,1,&h2);
+
+ /* Start saturation */
+ 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 */
+ gras_os_sleep(1);
+ TRY {
+ amok_bw_saturate_stop(h1->name,h1->port, &duration,&bw);
+ } CATCH(e) {
+ 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 hosts = xbt_dynar_new(sizeof(xbt_host_t),&free_host);
- int nb_hosts;
+ xbt_dynar_t peers;
+ int nb_peers;
/* results */
double *bw;
/* iterators */
int i,j,k,l;
- xbt_host_t h1,h2,h3,h4;
+ xbt_peer_t h1,h2,h3,h4;
- gras_init(&argc,argv);
- amok_bw_init();
+ /* 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);
- /* 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("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(peers,buf_size,exp_size,msg_size,min_duration);
- INFO2("Did all BW tests in %ld sec (%.2f simulated sec)",
+ 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) {
+ 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,360000000);
+ 0, /* Be nice, compute msg_size yourself */
+ 0 /* no timeout */);
} CATCH(e) {
- RETHROW0("Cannot ask hosts to saturate the link: %s");
+ RETHROW0("Cannot ask peers to saturate the link: %s");
}
- gras_os_sleep(1.0);
+ gras_os_sleep(5);
begin=time(NULL);
begin_simulated=gras_os_time();
- xbt_dynar_foreach(hosts,k,h3) {
+ xbt_dynar_foreach(peers,k,h3) {
if (i==k || j==k) continue;
- xbt_dynar_foreach(hosts,l,h4) {
+ 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,exp_size,msg_size,
- NULL,&(bw_sat[k*nb_hosts + l]));
-
- ratio=bw_sat[k*nb_hosts + l] / bw[k*nb_hosts + l];
+ buf_size,exp_size,msg_size,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_hosts + l] , bw_sat[k*nb_hosts + l],
-
+ 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, NULL,NULL);
+ amok_bw_saturate_stop(h1->name,h1->port,&time1,&bw1);
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);
+ /* 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",msg_size);
- if ((errcode=grasbw_saturate_start(argv[5],atoi(argv[6]),argv[7],atoi(argv[8]),msg_size*10,60))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while starting saturation",
- xbt_error_name(errcode));
- return 1;
- }
- fprintf(stderr,"MAESTRO: Saturation started");
- gras_os_sleep(5.0);
-
- /* test with saturation */
- if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]),
- buf_size,exp_size,msg_size,&sec,&bw))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",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",
- exp_size/1024,msg_size/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",
- xbt_error_name(errcode));
- return 1;
- }
- /* test without saturation */
- if ((errcode=grasbw_request(argv[1],atoi(argv[2]),argv[3],atoi(argv[4]),
- buf_size,exp_size,msg_size,&sec,&bw))) {
- fprintf(stderr,"MAESTRO: Error %s encountered while doing the test",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",
- exp_size/1024,msg_size/1024,
- sec,bw);
+int maestro(int argc,char *argv[]) {
- gras_os_sleep(5.0);
-#endif
-
+ 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;
+
}
